diff options
Diffstat (limited to 'arch/arm/cpu')
43 files changed, 0 insertions, 4266 deletions
diff --git a/arch/arm/cpu/Makefile b/arch/arm/cpu/Makefile index 35d8d387bd..ba4f3900f7 100644 --- a/arch/arm/cpu/Makefile +++ b/arch/arm/cpu/Makefile @@ -1,4 +1,3 @@ -obj-$(CONFIG_AT91FAMILY) += at91-common/ obj-$(CONFIG_TEGRA20) += tegra20-common/ obj-$(CONFIG_TEGRA30) += tegra30-common/ obj-$(CONFIG_TEGRA114) += tegra114-common/ diff --git a/arch/arm/cpu/arm920t/Makefile b/arch/arm/cpu/arm920t/Makefile index a72e5de99e..a16838b479 100644 --- a/arch/arm/cpu/arm920t/Makefile +++ b/arch/arm/cpu/arm920t/Makefile @@ -11,7 +11,6 @@ obj-y += cpu.o obj-$(CONFIG_USE_IRQ) += interrupts.o obj-$(if $(filter a320,$(SOC)),y) += a320/ -obj-$(CONFIG_AT91FAMILY) += at91/ obj-$(CONFIG_EP93XX) += ep93xx/ obj-$(CONFIG_IMX) += imx/ obj-$(CONFIG_KS8695) += ks8695/ diff --git a/arch/arm/cpu/arm920t/at91/Makefile b/arch/arm/cpu/arm920t/at91/Makefile deleted file mode 100644 index 561b4b4cbb..0000000000 --- a/arch/arm/cpu/arm920t/at91/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y += lowlevel_init.o -obj-y += reset.o -obj-y += timer.o -obj-y += clock.o -obj-y += cpu.o -obj-y += at91rm9200_devices.o diff --git a/arch/arm/cpu/arm920t/at91/at91rm9200_devices.c b/arch/arm/cpu/arm920t/at91/at91rm9200_devices.c deleted file mode 100644 index fc54327c0d..0000000000 --- a/arch/arm/cpu/arm920t/at91/at91rm9200_devices.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * [partely copied from arch/arm/cpu/arm926ejs/at91/arm9260_devices.c] - * - * (C) Copyright 2011 - * Andreas Bießmann <andreas.devel@googlemail.com> - * - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/gpio.h> - -/* - * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all - * peripheral pins. Good to have if hardware is soldered optionally - * or in case of SPI no slave is selected. Avoid lines to float - * needlessly. Use a short local PUP define. - * - * Due to errata "TXD floats when CTS is inactive" pullups are always - * on for TXD pins. - */ -#ifdef CONFIG_AT91_GPIO_PULLUP -# define PUP CONFIG_AT91_GPIO_PULLUP -#else -# define PUP 0 -#endif - -void at91_serial0_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 17, 1); /* TXD0 */ - at91_set_a_periph(AT91_PIO_PORTA, 18, PUP); /* RXD0 */ - writel(1 << ATMEL_ID_USART0, &pmc->pcer); -} - -void at91_serial1_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 20, PUP); /* RXD1 */ - at91_set_a_periph(AT91_PIO_PORTB, 21, 1); /* TXD1 */ - writel(1 << ATMEL_ID_USART1, &pmc->pcer); -} - -void at91_serial2_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 22, PUP); /* RXD2 */ - at91_set_a_periph(AT91_PIO_PORTA, 23, 1); /* TXD2 */ - writel(1 << ATMEL_ID_USART2, &pmc->pcer); -} - -void at91_seriald_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTA, 30, PUP); /* DRXD */ - at91_set_a_periph(AT91_PIO_PORTA, 31, 1); /* DTXD */ - /* writing SYS to PCER has no effect on AT91RM9200 */ -} diff --git a/arch/arm/cpu/arm920t/at91/clock.c b/arch/arm/cpu/arm920t/at91/clock.c deleted file mode 100644 index 2813bf7821..0000000000 --- a/arch/arm/cpu/arm920t/at91/clock.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * [origin: Linux kernel linux/arch/arm/mach-at91/clock.c] - * - * Copyright (C) 2011 Andreas Bießmann - * Copyright (C) 2005 David Brownell - * Copyright (C) 2005 Ivan Kokshaysky - * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/clk.h> - -#if !defined(CONFIG_AT91FAMILY) -# error You need to define CONFIG_AT91FAMILY in your board config! -#endif - -DECLARE_GLOBAL_DATA_PTR; - -static unsigned long at91_css_to_rate(unsigned long css) -{ - switch (css) { - case AT91_PMC_MCKR_CSS_SLOW: - return CONFIG_SYS_AT91_SLOW_CLOCK; - case AT91_PMC_MCKR_CSS_MAIN: - return gd->arch.main_clk_rate_hz; - case AT91_PMC_MCKR_CSS_PLLA: - return gd->arch.plla_rate_hz; - case AT91_PMC_MCKR_CSS_PLLB: - return gd->arch.pllb_rate_hz; - } - - return 0; -} - -#ifdef CONFIG_USB_ATMEL -static unsigned at91_pll_calc(unsigned main_freq, unsigned out_freq) -{ - unsigned i, div = 0, mul = 0, diff = 1 << 30; - unsigned ret = (out_freq > 155000000) ? 0xbe00 : 0x3e00; - - /* PLL output max 240 MHz (or 180 MHz per errata) */ - if (out_freq > 240000000) - goto fail; - - for (i = 1; i < 256; i++) { - int diff1; - unsigned input, mul1; - - /* - * PLL input between 1MHz and 32MHz per spec, but lower - * frequences seem necessary in some cases so allow 100K. - * Warning: some newer products need 2MHz min. - */ - input = main_freq / i; - if (input < 100000) - continue; - if (input > 32000000) - continue; - - mul1 = out_freq / input; - if (mul1 > 2048) - continue; - if (mul1 < 2) - goto fail; - - diff1 = out_freq - input * mul1; - if (diff1 < 0) - diff1 = -diff1; - if (diff > diff1) { - diff = diff1; - div = i; - mul = mul1; - if (diff == 0) - break; - } - } - if (i == 256 && diff > (out_freq >> 5)) - goto fail; - return ret | ((mul - 1) << 16) | div; -fail: - return 0; -} -#endif - -static u32 at91_pll_rate(u32 freq, u32 reg) -{ - unsigned mul, div; - - div = reg & 0xff; - mul = (reg >> 16) & 0x7ff; - if (div && mul) { - freq /= div; - freq *= mul + 1; - } else - freq = 0; - - return freq; -} - -int at91_clock_init(unsigned long main_clock) -{ - unsigned freq, mckr; - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; -#ifndef CONFIG_SYS_AT91_MAIN_CLOCK - unsigned tmp; - /* - * When the bootloader initialized the main oscillator correctly, - * there's no problem using the cycle counter. But if it didn't, - * or when using oscillator bypass mode, we must be told the speed - * of the main clock. - */ - if (!main_clock) { - do { - tmp = readl(&pmc->mcfr); - } while (!(tmp & AT91_PMC_MCFR_MAINRDY)); - tmp &= AT91_PMC_MCFR_MAINF_MASK; - main_clock = tmp * (CONFIG_SYS_AT91_SLOW_CLOCK / 16); - } -#endif - gd->arch.main_clk_rate_hz = main_clock; - - /* report if PLLA is more than mildly overclocked */ - gd->arch.plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar)); - -#ifdef CONFIG_USB_ATMEL - /* - * USB clock init: choose 48 MHz PLLB value, - * disable 48MHz clock during usb peripheral suspend. - * - * REVISIT: assumes MCK doesn't derive from PLLB! - */ - gd->arch.at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | - AT91_PMC_PLLBR_USBDIV_2; - gd->arch.pllb_rate_hz = at91_pll_rate(main_clock, - gd->arch.at91_pllb_usb_init); -#endif - - /* - * MCK and CPU derive from one of those primary clocks. - * For now, assume this parentage won't change. - */ - mckr = readl(&pmc->mckr); - gd->arch.mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK); - freq = gd->arch.mck_rate_hz; - - freq /= (1 << ((mckr & AT91_PMC_MCKR_PRES_MASK) >> 2)); /* prescale */ - /* mdiv */ - gd->arch.mck_rate_hz = freq / - (1 + ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8)); - gd->arch.cpu_clk_rate_hz = freq; - - return 0; -} diff --git a/arch/arm/cpu/arm920t/at91/cpu.c b/arch/arm/cpu/arm920t/at91/cpu.c deleted file mode 100644 index b0f411b1c3..0000000000 --- a/arch/arm/cpu/arm920t/at91/cpu.c +++ /dev/null @@ -1,26 +0,0 @@ -/* - * [origin: arch/arm/cpu/arm926ejs/at91/cpu.c] - * - * (C) Copyright 2011 - * Andreas Bießmann, andreas.devel@googlemail.com - * (C) Copyright 2010 - * Reinhard Meyer, reinhard.meyer@emk-elektronik.de - * (C) Copyright 2009 - * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/clk.h> - -#ifndef CONFIG_SYS_AT91_MAIN_CLOCK -#define CONFIG_SYS_AT91_MAIN_CLOCK 0 -#endif - -int arch_cpu_init(void) -{ - return at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK); -} diff --git a/arch/arm/cpu/arm920t/at91/lowlevel_init.S b/arch/arm/cpu/arm920t/at91/lowlevel_init.S deleted file mode 100644 index d2934a3525..0000000000 --- a/arch/arm/cpu/arm920t/at91/lowlevel_init.S +++ /dev/null @@ -1,152 +0,0 @@ -/* - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and - * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) - * - * Modified for the at91rm9200dk board by - * (C) Copyright 2004 - * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> - -#ifndef CONFIG_SKIP_LOWLEVEL_INIT - -#include <asm/arch/hardware.h> -#include <asm/arch/at91_mc.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_pio.h> - -#define ARM920T_CONTROL 0xC0000000 /* @ set bit 31 (iA) and 30 (nF) */ - -_MTEXT_BASE: -#undef START_FROM_MEM -#ifdef START_FROM_MEM - .word CONFIG_SYS_TEXT_BASE-PHYS_FLASH_1 -#else - .word CONFIG_SYS_TEXT_BASE -#endif - -.globl lowlevel_init -lowlevel_init: - ldr r1, =AT91_ASM_PMC_MOR - /* Main oscillator Enable register */ -#ifdef CONFIG_SYS_USE_MAIN_OSCILLATOR - ldr r0, =0x0000FF01 /* Enable main oscillator */ -#else - ldr r0, =0x0000FF00 /* Disable main oscillator */ -#endif - str r0, [r1] /*AT91C_CKGR_MOR] */ - /* Add loop to compensate Main Oscillator startup time */ - ldr r0, =0x00000010 -LoopOsc: - subs r0, r0, #1 - bhi LoopOsc - - /* memory control configuration */ - /* this isn't very elegant, but what the heck */ - ldr r0, =SMRDATA - ldr r1, _MTEXT_BASE - sub r0, r0, r1 - ldr r2, =SMRDATAE - sub r2, r2, r1 -pllloop: - /* the address */ - ldr r1, [r0], #4 - /* the value */ - ldr r3, [r0], #4 - str r3, [r1] - cmp r2, r0 - bne pllloop - /* delay - this is all done by guess */ - ldr r0, =0x00010000 - /* (vs reading PMC_SR for LOCKA, LOCKB ... or MOSCS earlier) */ -lock: - subs r0, r0, #1 - bhi lock - ldr r0, =SMRDATA1 - ldr r1, _MTEXT_BASE - sub r0, r0, r1 - ldr r2, =SMRDATA1E - sub r2, r2, r1 -sdinit: - /* the address */ - ldr r1, [r0], #4 - /* the value */ - ldr r3, [r0], #4 - str r3, [r1] - cmp r2, r0 - bne sdinit - - /* switch from FastBus to Asynchronous clock mode */ - mrc p15, 0, r0, c1, c0, 0 - orr r0, r0, #ARM920T_CONTROL - mcr p15, 0, r0, c1, c0, 0 - - /* everything is fine now */ - mov pc, lr - - .ltorg - -SMRDATA: - .word AT91_ASM_MC_EBI_CFG - .word CONFIG_SYS_EBI_CFGR_VAL - .word AT91_ASM_MC_SMC_CSR0 - .word CONFIG_SYS_SMC_CSR0_VAL - .word AT91_ASM_PMC_PLLAR - .word CONFIG_SYS_PLLAR_VAL - .word AT91_ASM_PMC_PLLBR - .word CONFIG_SYS_PLLBR_VAL - .word AT91_ASM_PMC_MCKR - .word CONFIG_SYS_MCKR_VAL -SMRDATAE: - /* here there's a delay */ -SMRDATA1: - .word AT91_ASM_PIOC_ASR - .word CONFIG_SYS_PIOC_ASR_VAL - .word AT91_ASM_PIOC_BSR - .word CONFIG_SYS_PIOC_BSR_VAL - .word AT91_ASM_PIOC_PDR - .word CONFIG_SYS_PIOC_PDR_VAL - .word AT91_ASM_MC_EBI_CSA - .word CONFIG_SYS_EBI_CSA_VAL - .word AT91_ASM_MC_SDRAMC_CR - .word CONFIG_SYS_SDRC_CR_VAL - .word AT91_ASM_MC_SDRAMC_MR - .word CONFIG_SYS_SDRC_MR_VAL - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL - .word AT91_ASM_MC_SDRAMC_MR - .word CONFIG_SYS_SDRC_MR_VAL1 - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL - .word AT91_ASM_MC_SDRAMC_MR - .word CONFIG_SYS_SDRC_MR_VAL2 - .word CONFIG_SYS_SDRAM1 - .word CONFIG_SYS_SDRAM_VAL - .word AT91_ASM_MC_SDRAMC_TR - .word CONFIG_SYS_SDRC_TR_VAL - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL - .word AT91_ASM_MC_SDRAMC_MR - .word CONFIG_SYS_SDRC_MR_VAL3 - .word CONFIG_SYS_SDRAM - .word CONFIG_SYS_SDRAM_VAL -SMRDATA1E: - /* SMRDATA1 is 176 bytes long */ -#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ diff --git a/arch/arm/cpu/arm920t/at91/reset.c b/arch/arm/cpu/arm920t/at91/reset.c deleted file mode 100644 index d47777a367..0000000000 --- a/arch/arm/cpu/arm920t/at91/reset.c +++ /dev/null @@ -1,41 +0,0 @@ -/* - * (C) Copyright 2002 - * Lineo, Inc. <www.lineo.com> - * Bernhard Kuhn <bkuhn@lineo.com> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_st.h> - -void __attribute__((weak)) board_reset(void) -{ - /* true empty function for defining weak symbol */ -} - -void reset_cpu(ulong ignored) -{ - at91_st_t *st = (at91_st_t *) ATMEL_BASE_ST; - - board_reset(); - - /* Reset the cpu by setting up the watchdog timer */ - writel(AT91_ST_WDMR_RSTEN | AT91_ST_WDMR_EXTEN | AT91_ST_WDMR_WDV(2), - &st->wdmr); - writel(AT91_ST_CR_WDRST, &st->cr); - /* and let it timeout */ - while (1) - ; - /* Never reached */ -} diff --git a/arch/arm/cpu/arm920t/at91/timer.c b/arch/arm/cpu/arm920t/at91/timer.c deleted file mode 100644 index 6aa2994723..0000000000 --- a/arch/arm/cpu/arm920t/at91/timer.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * (C) Copyright 2002 - * Lineo, Inc. <www.lineo.com> - * Bernhard Kuhn <bkuhn@lineo.com> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> - -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_tc.h> -#include <asm/arch/at91_pmc.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* the number of clocks per CONFIG_SYS_HZ */ -#define TIMER_LOAD_VAL (CONFIG_SYS_HZ_CLOCK/CONFIG_SYS_HZ) - -int timer_init(void) -{ - at91_tc_t *tc = (at91_tc_t *) ATMEL_BASE_TC; - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - /* enables TC1.0 clock */ - writel(1 << ATMEL_ID_TC0, &pmc->pcer); /* enable clock */ - - writel(0, &tc->bcr); - writel(AT91_TC_BMR_TC0XC0S_NONE | AT91_TC_BMR_TC1XC1S_NONE | - AT91_TC_BMR_TC2XC2S_NONE , &tc->bmr); - - writel(AT91_TC_CCR_CLKDIS, &tc->tc[0].ccr); - /* set to MCLK/2 and restart the timer - when the value in TC_RC is reached */ - writel(AT91_TC_CMR_TCCLKS_CLOCK1 | AT91_TC_CMR_CPCTRG, &tc->tc[0].cmr); - - writel(0xFFFFFFFF, &tc->tc[0].idr); /* disable interrupts */ - writel(TIMER_LOAD_VAL, &tc->tc[0].rc); - - writel(AT91_TC_CCR_SWTRG | AT91_TC_CCR_CLKEN, &tc->tc[0].ccr); - gd->arch.lastinc = 0; - gd->arch.tbl = 0; - - return 0; -} - -/* - * timer without interrupts - */ -ulong get_timer(ulong base) -{ - return get_timer_masked() - base; -} - -void __udelay(unsigned long usec) -{ - udelay_masked(usec); -} - -ulong get_timer_raw(void) -{ - at91_tc_t *tc = (at91_tc_t *) ATMEL_BASE_TC; - u32 now; - - now = readl(&tc->tc[0].cv) & 0x0000ffff; - - if (now >= gd->arch.lastinc) { - /* normal mode */ - gd->arch.tbl += now - gd->arch.lastinc; - } else { - /* we have an overflow ... */ - gd->arch.tbl += now + TIMER_LOAD_VAL - gd->arch.lastinc; - } - gd->arch.lastinc = now; - - return gd->arch.tbl; -} - -ulong get_timer_masked(void) -{ - return get_timer_raw()/TIMER_LOAD_VAL; -} - -void udelay_masked(unsigned long usec) -{ - u32 tmo; - u32 endtime; - signed long diff; - - tmo = CONFIG_SYS_HZ_CLOCK / 1000; - tmo *= usec; - tmo /= 1000; - - endtime = get_timer_raw() + tmo; - - do { - u32 now = get_timer_raw(); - diff = endtime - now; - } while (diff >= 0); -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -/* - * This function is derived from PowerPC code (timebase clock frequency). - * On ARM it returns the number of timer ticks per second. - */ -ulong get_tbclk(void) -{ - return CONFIG_SYS_HZ; -} diff --git a/arch/arm/cpu/arm926ejs/Makefile b/arch/arm/cpu/arm926ejs/Makefile index adcea9f683..f41357aaeb 100644 --- a/arch/arm/cpu/arm926ejs/Makefile +++ b/arch/arm/cpu/arm926ejs/Makefile @@ -15,7 +15,6 @@ endif endif obj-$(CONFIG_ARMADA100) += armada100/ -obj-$(CONFIG_AT91FAMILY) += at91/ obj-$(CONFIG_ARCH_DAVINCI) += davinci/ obj-$(CONFIG_KIRKWOOD) += kirkwood/ obj-$(if $(filter lpc32xx,$(SOC)),y) += lpc32xx/ diff --git a/arch/arm/cpu/arm926ejs/at91/Makefile b/arch/arm/cpu/arm926ejs/at91/Makefile deleted file mode 100644 index ddc323f641..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/Makefile +++ /dev/null @@ -1,28 +0,0 @@ -# -# (C) Copyright 2000-2008 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-$(CONFIG_AT91SAM9260) += at91sam9260_devices.o -obj-$(CONFIG_AT91SAM9G20) += at91sam9260_devices.o -obj-$(CONFIG_AT91SAM9XE) += at91sam9260_devices.o -obj-$(CONFIG_AT91SAM9261) += at91sam9261_devices.o -obj-$(CONFIG_AT91SAM9G10) += at91sam9261_devices.o -obj-$(CONFIG_AT91SAM9263) += at91sam9263_devices.o -obj-$(CONFIG_AT91SAM9RL) += at91sam9rl_devices.o -obj-$(CONFIG_AT91SAM9M10G45) += at91sam9m10g45_devices.o -obj-$(CONFIG_AT91SAM9G45) += at91sam9m10g45_devices.o -obj-$(CONFIG_AT91SAM9N12) += at91sam9n12_devices.o -obj-$(CONFIG_AT91SAM9X5) += at91sam9x5_devices.o -obj-$(CONFIG_AT91_EFLASH) += eflash.o -obj-$(CONFIG_AT91_LED) += led.o -obj-y += clock.o -obj-y += cpu.o -obj-y += reset.o -obj-y += timer.o - -ifndef CONFIG_SKIP_LOWLEVEL_INIT -obj-y += lowlevel_init.o -endif diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c deleted file mode 100644 index efb53d673f..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <dm.h> -#include <asm/io.h> -#include <asm/arch/at91sam9260_matrix.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91sam9_sdramc.h> -#include <asm/arch/gpio.h> - -/* - * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all - * peripheral pins. Good to have if hardware is soldered optionally - * or in case of SPI no slave is selected. Avoid lines to float - * needlessly. Use a short local PUP define. - * - * Due to errata "TXD floats when CTS is inactive" pullups are always - * on for TXD pins. - */ -#ifdef CONFIG_AT91_GPIO_PULLUP -# define PUP CONFIG_AT91_GPIO_PULLUP -#else -# define PUP 0 -#endif - -void at91_serial0_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 4, 1); /* TXD0 */ - at91_set_a_periph(AT91_PIO_PORTB, 5, PUP); /* RXD0 */ - writel(1 << ATMEL_ID_USART0, &pmc->pcer); -} - -void at91_serial1_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 6, 1); /* TXD1 */ - at91_set_a_periph(AT91_PIO_PORTB, 7, PUP); /* RXD1 */ - writel(1 << ATMEL_ID_USART1, &pmc->pcer); -} - -void at91_serial2_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 8, 1); /* TXD2 */ - at91_set_a_periph(AT91_PIO_PORTB, 9, PUP); /* RXD2 */ - writel(1 << ATMEL_ID_USART2, &pmc->pcer); -} - -void at91_seriald_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 14, PUP); /* DRXD */ - at91_set_a_periph(AT91_PIO_PORTB, 15, 1); /* DTXD */ - writel(1 << ATMEL_ID_SYS, &pmc->pcer); -} - -#if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_ATMEL_SPI) -void at91_spi0_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 0, PUP); /* SPI0_MISO */ - at91_set_a_periph(AT91_PIO_PORTA, 1, PUP); /* SPI0_MOSI */ - at91_set_a_periph(AT91_PIO_PORTA, 2, PUP); /* SPI0_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI0, &pmc->pcer); - - if (cs_mask & (1 << 0)) { - at91_set_a_periph(AT91_PIO_PORTA, 3, 1); - } - if (cs_mask & (1 << 1)) { - at91_set_b_periph(AT91_PIO_PORTC, 11, 1); - } - if (cs_mask & (1 << 2)) { - at91_set_b_periph(AT91_PIO_PORTC, 16, 1); - } - if (cs_mask & (1 << 3)) { - at91_set_b_periph(AT91_PIO_PORTC, 17, 1); - } - if (cs_mask & (1 << 4)) { - at91_set_pio_output(AT91_PIO_PORTA, 3, 1); - } - if (cs_mask & (1 << 5)) { - at91_set_pio_output(AT91_PIO_PORTC, 11, 1); - } - if (cs_mask & (1 << 6)) { - at91_set_pio_output(AT91_PIO_PORTC, 16, 1); - } - if (cs_mask & (1 << 7)) { - at91_set_pio_output(AT91_PIO_PORTC, 17, 1); - } -} - -void at91_spi1_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 0, PUP); /* SPI1_MISO */ - at91_set_a_periph(AT91_PIO_PORTB, 1, PUP); /* SPI1_MOSI */ - at91_set_a_periph(AT91_PIO_PORTB, 2, PUP); /* SPI1_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI1, &pmc->pcer); - - if (cs_mask & (1 << 0)) { - at91_set_a_periph(AT91_PIO_PORTB, 3, 1); - } - if (cs_mask & (1 << 1)) { - at91_set_b_periph(AT91_PIO_PORTC, 5, 1); - } - if (cs_mask & (1 << 2)) { - at91_set_b_periph(AT91_PIO_PORTC, 4, 1); - } - if (cs_mask & (1 << 3)) { - at91_set_b_periph(AT91_PIO_PORTC, 3, 1); - } - if (cs_mask & (1 << 4)) { - at91_set_pio_output(AT91_PIO_PORTB, 3, 1); - } - if (cs_mask & (1 << 5)) { - at91_set_pio_output(AT91_PIO_PORTC, 5, 1); - } - if (cs_mask & (1 << 6)) { - at91_set_pio_output(AT91_PIO_PORTC, 4, 1); - } - if (cs_mask & (1 << 7)) { - at91_set_pio_output(AT91_PIO_PORTC, 3, 1); - } -} -#endif - -#ifdef CONFIG_MACB -void at91_macb_hw_init(void) -{ - /* Enable EMAC clock */ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - writel(1 << ATMEL_ID_EMAC0, &pmc->pcer); - - at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* ETXCK_EREFCK */ - at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* ERXDV */ - at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* ERX0 */ - at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* ERX1 */ - at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* ERXER */ - at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* ETXEN */ - at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* ETX0 */ - at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* ETX1 */ - at91_set_a_periph(AT91_PIO_PORTA, 21, 0); /* EMDIO */ - at91_set_a_periph(AT91_PIO_PORTA, 20, 0); /* EMDC */ - -#ifndef CONFIG_RMII - at91_set_b_periph(AT91_PIO_PORTA, 28, 0); /* ECRS */ - at91_set_b_periph(AT91_PIO_PORTA, 29, 0); /* ECOL */ - at91_set_b_periph(AT91_PIO_PORTA, 25, 0); /* ERX2 */ - at91_set_b_periph(AT91_PIO_PORTA, 26, 0); /* ERX3 */ - at91_set_b_periph(AT91_PIO_PORTA, 27, 0); /* ERXCK */ -#if defined(CONFIG_AT91SAM9260EK) || defined(CONFIG_AFEB9260) - /* - * use PA10, PA11 for ETX2, ETX3. - * PA23 and PA24 are for TWI EEPROM - */ - at91_set_b_periph(AT91_PIO_PORTA, 10, 0); /* ETX2 */ - at91_set_b_periph(AT91_PIO_PORTA, 11, 0); /* ETX3 */ -#else - at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* ETX2 */ - at91_set_b_periph(AT91_PIO_PORTA, 24, 0); /* ETX3 */ -#if defined(CONFIG_AT91SAM9G20) - /* 9G20 BOOT ROM initializes those pins to multi-drive, undo that */ - at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 0); - at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 0); -#endif -#endif - at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* ETXER */ -#endif -} -#endif - -#if defined(CONFIG_GENERIC_ATMEL_MCI) -void at91_mci_hw_init(void) -{ - /* Enable mci clock */ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - writel(1 << ATMEL_ID_MCI, &pmc->pcer); - - at91_set_a_periph(AT91_PIO_PORTA, 8, 1); /* MCCK */ -#if defined(CONFIG_ATMEL_MCI_PORTB) - at91_set_b_periph(AT91_PIO_PORTA, 1, 1); /* MCCDB */ - at91_set_b_periph(AT91_PIO_PORTA, 0, 1); /* MCDB0 */ - at91_set_b_periph(AT91_PIO_PORTA, 5, 1); /* MCDB1 */ - at91_set_b_periph(AT91_PIO_PORTA, 4, 1); /* MCDB2 */ - at91_set_b_periph(AT91_PIO_PORTA, 3, 1); /* MCDB3 */ -#else - at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* MCCDA */ - at91_set_a_periph(AT91_PIO_PORTA, 6, 1); /* MCDA0 */ - at91_set_a_periph(AT91_PIO_PORTA, 9, 1); /* MCDA1 */ - at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* MCDA2 */ - at91_set_a_periph(AT91_PIO_PORTA, 11, 1); /* MCDA3 */ -#endif -} -#endif - -void at91_sdram_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTC, 16, 0); - at91_set_a_periph(AT91_PIO_PORTC, 17, 0); - at91_set_a_periph(AT91_PIO_PORTC, 18, 0); - at91_set_a_periph(AT91_PIO_PORTC, 19, 0); - at91_set_a_periph(AT91_PIO_PORTC, 20, 0); - at91_set_a_periph(AT91_PIO_PORTC, 21, 0); - at91_set_a_periph(AT91_PIO_PORTC, 22, 0); - at91_set_a_periph(AT91_PIO_PORTC, 23, 0); - at91_set_a_periph(AT91_PIO_PORTC, 24, 0); - at91_set_a_periph(AT91_PIO_PORTC, 25, 0); - at91_set_a_periph(AT91_PIO_PORTC, 26, 0); - at91_set_a_periph(AT91_PIO_PORTC, 27, 0); - at91_set_a_periph(AT91_PIO_PORTC, 28, 0); - at91_set_a_periph(AT91_PIO_PORTC, 29, 0); - at91_set_a_periph(AT91_PIO_PORTC, 30, 0); - at91_set_a_periph(AT91_PIO_PORTC, 31, 0); -} - -/* Platform data for the GPIOs */ -static const struct at91_port_platdata at91sam9260_plat[] = { - { ATMEL_BASE_PIOA, "PA" }, - { ATMEL_BASE_PIOB, "PB" }, - { ATMEL_BASE_PIOC, "PC" }, -}; - -U_BOOT_DEVICES(at91sam9260_gpios) = { - { "gpio_at91", &at91sam9260_plat[0] }, - { "gpio_at91", &at91sam9260_plat[1] }, - { "gpio_at91", &at91sam9260_plat[2] }, -}; diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9261_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9261_devices.c deleted file mode 100644 index a445c7507e..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9261_devices.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/gpio.h> - -/* - * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all - * peripheral pins. Good to have if hardware is soldered optionally - * or in case of SPI no slave is selected. Avoid lines to float - * needlessly. Use a short local PUP define. - * - * Due to errata "TXD floats when CTS is inactive" pullups are always - * on for TXD pins. - */ -#ifdef CONFIG_AT91_GPIO_PULLUP -# define PUP CONFIG_AT91_GPIO_PULLUP -#else -# define PUP 0 -#endif - -void at91_serial0_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTC, 8, 1); /* TXD0 */ - at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* RXD0 */ - writel(1 << ATMEL_ID_USART0, &pmc->pcer); -} - -void at91_serial1_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTC, 12, 1); /* TXD1 */ - at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* RXD1 */ - writel(1 << ATMEL_ID_USART1, &pmc->pcer); -} - -void at91_serial2_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTC, 14, 1); /* TXD2 */ - at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* RXD2 */ - writel(1 << ATMEL_ID_USART2, &pmc->pcer); -} - -void at91_seriald_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */ - at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */ - writel(1 << ATMEL_ID_SYS, &pmc->pcer); -} - -#if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_ATMEL_SPI) -void at91_spi0_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 0, PUP); /* SPI0_MISO */ - at91_set_a_periph(AT91_PIO_PORTA, 1, PUP); /* SPI0_MOSI */ - at91_set_a_periph(AT91_PIO_PORTA, 2, PUP); /* SPI0_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI0, &pmc->pcer); - - if (cs_mask & (1 << 0)) { - at91_set_a_periph(AT91_PIO_PORTA, 3, 1); - } - if (cs_mask & (1 << 1)) { - at91_set_a_periph(AT91_PIO_PORTA, 4, 1); - } - if (cs_mask & (1 << 2)) { - at91_set_a_periph(AT91_PIO_PORTA, 5, 1); - } - if (cs_mask & (1 << 3)) { - at91_set_a_periph(AT91_PIO_PORTA, 6, 1); - } - if (cs_mask & (1 << 4)) { - at91_set_pio_output(AT91_PIO_PORTA, 3, 1); - } - if (cs_mask & (1 << 5)) { - at91_set_pio_output(AT91_PIO_PORTA, 4, 1); - } - if (cs_mask & (1 << 6)) { - at91_set_pio_output(AT91_PIO_PORTA, 5, 1); - } - if (cs_mask & (1 << 7)) { - at91_set_pio_output(AT91_PIO_PORTA, 6, 1); - } -} - -void at91_spi1_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 30, PUP); /* SPI1_MISO */ - at91_set_a_periph(AT91_PIO_PORTB, 31, PUP); /* SPI1_MOSI */ - at91_set_a_periph(AT91_PIO_PORTB, 29, PUP); /* SPI1_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI1, &pmc->pcer); - - if (cs_mask & (1 << 0)) { - at91_set_a_periph(AT91_PIO_PORTB, 28, 1); - } - if (cs_mask & (1 << 1)) { - at91_set_b_periph(AT91_PIO_PORTA, 24, 1); - } - if (cs_mask & (1 << 2)) { - at91_set_b_periph(AT91_PIO_PORTA, 25, 1); - } - if (cs_mask & (1 << 3)) { - at91_set_a_periph(AT91_PIO_PORTA, 26, 1); - } - if (cs_mask & (1 << 4)) { - at91_set_pio_output(AT91_PIO_PORTB, 28, 1); - } - if (cs_mask & (1 << 5)) { - at91_set_pio_output(AT91_PIO_PORTA, 24, 1); - } - if (cs_mask & (1 << 6)) { - at91_set_pio_output(AT91_PIO_PORTA, 25, 1); - } - if (cs_mask & (1 << 7)) { - at91_set_pio_output(AT91_PIO_PORTA, 26, 1); - } -} -#endif diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9263_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9263_devices.c deleted file mode 100644 index 6b51d5f355..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9263_devices.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * (C) Copyright 2009-2011 - * Daniel Gorsulowski <daniel.gorsulowski@esd.eu> - * esd electronic system design gmbh <www.esd.eu> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/gpio.h> - -/* - * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all - * peripheral pins. Good to have if hardware is soldered optionally - * or in case of SPI no slave is selected. Avoid lines to float - * needlessly. Use a short local PUP define. - * - * Due to errata "TXD floats when CTS is inactive" pullups are always - * on for TXD pins. - */ -#ifdef CONFIG_AT91_GPIO_PULLUP -# define PUP CONFIG_AT91_GPIO_PULLUP -#else -# define PUP 0 -#endif - -void at91_serial0_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 26, 1); /* TXD0 */ - at91_set_a_periph(AT91_PIO_PORTA, 27, PUP); /* RXD0 */ - writel(1 << ATMEL_ID_USART0, &pmc->pcer); -} - -void at91_serial1_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTD, 0, 1); /* TXD1 */ - at91_set_a_periph(AT91_PIO_PORTD, 1, PUP); /* RXD1 */ - writel(1 << ATMEL_ID_USART1, &pmc->pcer); -} - -void at91_serial2_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTD, 2, 1); /* TXD2 */ - at91_set_a_periph(AT91_PIO_PORTD, 3, PUP); /* RXD2 */ - writel(1 << ATMEL_ID_USART2, &pmc->pcer); -} - -void at91_seriald_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTC, 30, PUP); /* DRXD */ - at91_set_a_periph(AT91_PIO_PORTC, 31, 1); /* DTXD */ - writel(1 << ATMEL_ID_SYS, &pmc->pcer); -} - -#if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_ATMEL_SPI) -void at91_spi0_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_b_periph(AT91_PIO_PORTA, 0, PUP); /* SPI0_MISO */ - at91_set_b_periph(AT91_PIO_PORTA, 1, PUP); /* SPI0_MOSI */ - at91_set_b_periph(AT91_PIO_PORTA, 2, PUP); /* SPI0_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI0, &pmc->pcer); - - if (cs_mask & (1 << 0)) { - at91_set_b_periph(AT91_PIO_PORTA, 5, 1); - } - if (cs_mask & (1 << 1)) { - at91_set_b_periph(AT91_PIO_PORTA, 3, 1); - } - if (cs_mask & (1 << 2)) { - at91_set_b_periph(AT91_PIO_PORTA, 4, 1); - } - if (cs_mask & (1 << 3)) { - at91_set_b_periph(AT91_PIO_PORTB, 11, 1); - } - if (cs_mask & (1 << 4)) { - at91_set_pio_output(AT91_PIO_PORTA, 5, 1); - } - if (cs_mask & (1 << 5)) { - at91_set_pio_output(AT91_PIO_PORTA, 3, 1); - } - if (cs_mask & (1 << 6)) { - at91_set_pio_output(AT91_PIO_PORTA, 4, 1); - } - if (cs_mask & (1 << 7)) { - at91_set_pio_output(AT91_PIO_PORTB, 11, 1); - } -} - -void at91_spi1_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 12, PUP); /* SPI1_MISO */ - at91_set_a_periph(AT91_PIO_PORTB, 13, PUP); /* SPI1_MOSI */ - at91_set_a_periph(AT91_PIO_PORTB, 14, PUP); /* SPI1_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI1, &pmc->pcer); - - if (cs_mask & (1 << 0)) { - at91_set_a_periph(AT91_PIO_PORTB, 15, 1); - } - if (cs_mask & (1 << 1)) { - at91_set_a_periph(AT91_PIO_PORTB, 16, 1); - } - if (cs_mask & (1 << 2)) { - at91_set_a_periph(AT91_PIO_PORTB, 17, 1); - } - if (cs_mask & (1 << 3)) { - at91_set_a_periph(AT91_PIO_PORTB, 18, 1); - } - if (cs_mask & (1 << 4)) { - at91_set_pio_output(AT91_PIO_PORTB, 15, 1); - } - if (cs_mask & (1 << 5)) { - at91_set_pio_output(AT91_PIO_PORTB, 16, 1); - } - if (cs_mask & (1 << 6)) { - at91_set_pio_output(AT91_PIO_PORTB, 17, 1); - } - if (cs_mask & (1 << 7)) { - at91_set_pio_output(AT91_PIO_PORTB, 18, 1); - } -} -#endif - -#if defined(CONFIG_GENERIC_ATMEL_MCI) -void at91_mci_hw_init(void) -{ - /* Enable mci clock */ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - writel(1 << ATMEL_ID_MCI1, &pmc->pcer); - - at91_set_a_periph(AT91_PIO_PORTA, 6, PUP); /* MCI1_CK */ - -#if defined(CONFIG_ATMEL_MCI_PORTB) - at91_set_a_periph(AT91_PIO_PORTA, 21, PUP); /* MCI1_CDB */ - at91_set_a_periph(AT91_PIO_PORTA, 22, PUP); /* MCI1_DB0 */ - at91_set_a_periph(AT91_PIO_PORTA, 23, PUP); /* MCI1_DB1 */ - at91_set_a_periph(AT91_PIO_PORTA, 24, PUP); /* MCI1_DB2 */ - at91_set_a_periph(AT91_PIO_PORTA, 25, PUP); /* MCI1_DB3 */ -#else - at91_set_a_periph(AT91_PIO_PORTA, 7, PUP); /* MCI1_CDA */ - at91_set_a_periph(AT91_PIO_PORTA, 8, PUP); /* MCI1_DA0 */ - at91_set_a_periph(AT91_PIO_PORTA, 9, PUP); /* MCI1_DA1 */ - at91_set_a_periph(AT91_PIO_PORTA, 10, PUP); /* MCI1_DA2 */ - at91_set_a_periph(AT91_PIO_PORTA, 11, PUP); /* MCI1_DA3 */ -#endif -} -#endif - -#ifdef CONFIG_MACB -void at91_macb_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTE, 21, 0); /* ETXCK_EREFCK */ - at91_set_b_periph(AT91_PIO_PORTC, 25, 0); /* ERXDV */ - at91_set_a_periph(AT91_PIO_PORTE, 25, 0); /* ERX0 */ - at91_set_a_periph(AT91_PIO_PORTE, 26, 0); /* ERX1 */ - at91_set_a_periph(AT91_PIO_PORTE, 27, 0); /* ERXER */ - at91_set_a_periph(AT91_PIO_PORTE, 28, 0); /* ETXEN */ - at91_set_a_periph(AT91_PIO_PORTE, 23, 0); /* ETX0 */ - at91_set_a_periph(AT91_PIO_PORTE, 24, 0); /* ETX1 */ - at91_set_a_periph(AT91_PIO_PORTE, 30, 0); /* EMDIO */ - at91_set_a_periph(AT91_PIO_PORTE, 29, 0); /* EMDC */ - -#ifndef CONFIG_RMII - at91_set_a_periph(AT91_PIO_PORTE, 22, 0); /* ECRS */ - at91_set_b_periph(AT91_PIO_PORTC, 26, 0); /* ECOL */ - at91_set_b_periph(AT91_PIO_PORTC, 22, 0); /* ERX2 */ - at91_set_b_periph(AT91_PIO_PORTC, 23, 0); /* ERX3 */ - at91_set_b_periph(AT91_PIO_PORTC, 27, 0); /* ERXCK */ - at91_set_b_periph(AT91_PIO_PORTC, 20, 0); /* ETX2 */ - at91_set_b_periph(AT91_PIO_PORTC, 21, 0); /* ETX3 */ - at91_set_b_periph(AT91_PIO_PORTC, 24, 0); /* ETXER */ -#endif -} -#endif - -#ifdef CONFIG_USB_OHCI_NEW -void at91_uhp_hw_init(void) -{ - /* Enable VBus on UHP ports */ - at91_set_pio_output(AT91_PIO_PORTA, 21, 0); - at91_set_pio_output(AT91_PIO_PORTA, 24, 0); -} -#endif - -#ifdef CONFIG_AT91_CAN -void at91_can_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* CAN_TX */ - at91_set_a_periph(AT91_PIO_PORTA, 14, 1); /* CAN_RX */ - - /* Enable clock */ - writel(1 << ATMEL_ID_CAN, &pmc->pcer); -} -#endif diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9m10g45_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9m10g45_devices.c deleted file mode 100644 index 0e6c0da1bd..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9m10g45_devices.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/gpio.h> -#include <asm/io.h> - -/* - * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all - * peripheral pins. Good to have if hardware is soldered optionally - * or in case of SPI no slave is selected. Avoid lines to float - * needlessly. Use a short local PUP define. - * - * Due to errata "TXD floats when CTS is inactive" pullups are always - * on for TXD pins. - */ -#ifdef CONFIG_AT91_GPIO_PULLUP -# define PUP CONFIG_AT91_GPIO_PULLUP -#else -# define PUP 0 -#endif - -void at91_serial0_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 19, 1); /* TXD0 */ - at91_set_a_periph(AT91_PIO_PORTB, 18, PUP); /* RXD0 */ - writel(1 << ATMEL_ID_USART0, &pmc->pcer); -} - -void at91_serial1_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 4, 1); /* TXD1 */ - at91_set_a_periph(AT91_PIO_PORTB, 5, PUP); /* RXD1 */ - writel(1 << ATMEL_ID_USART1, &pmc->pcer); -} - -void at91_serial2_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTD, 6, 1); /* TXD2 */ - at91_set_a_periph(AT91_PIO_PORTD, 7, PUP); /* RXD2 */ - writel(1 << ATMEL_ID_USART2, &pmc->pcer); -} - -void at91_seriald_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* DRXD */ - at91_set_a_periph(AT91_PIO_PORTB, 13, 1); /* DTXD */ - writel(1 << ATMEL_ID_SYS, &pmc->pcer); -} - -#if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_ATMEL_SPI) -void at91_spi0_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 0, PUP); /* SPI0_MISO */ - at91_set_a_periph(AT91_PIO_PORTB, 1, PUP); /* SPI0_MOSI */ - at91_set_a_periph(AT91_PIO_PORTB, 2, PUP); /* SPI0_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI0, &pmc->pcer); - - if (cs_mask & (1 << 0)) { - at91_set_a_periph(AT91_PIO_PORTB, 3, 1); - } - if (cs_mask & (1 << 1)) { - at91_set_b_periph(AT91_PIO_PORTB, 18, 1); - } - if (cs_mask & (1 << 2)) { - at91_set_b_periph(AT91_PIO_PORTB, 19, 1); - } - if (cs_mask & (1 << 3)) { - at91_set_b_periph(AT91_PIO_PORTD, 27, 1); - } - if (cs_mask & (1 << 4)) { - at91_set_pio_output(AT91_PIO_PORTB, 3, 1); - } - if (cs_mask & (1 << 5)) { - at91_set_pio_output(AT91_PIO_PORTB, 18, 1); - } - if (cs_mask & (1 << 6)) { - at91_set_pio_output(AT91_PIO_PORTB, 19, 1); - } - if (cs_mask & (1 << 7)) { - at91_set_pio_output(AT91_PIO_PORTD, 27, 1); - } -} - -void at91_spi1_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTB, 14, PUP); /* SPI1_MISO */ - at91_set_a_periph(AT91_PIO_PORTB, 15, PUP); /* SPI1_MOSI */ - at91_set_a_periph(AT91_PIO_PORTB, 16, PUP); /* SPI1_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI1, &pmc->pcer); - - if (cs_mask & (1 << 0)) { - at91_set_a_periph(AT91_PIO_PORTB, 17, 1); - } - if (cs_mask & (1 << 1)) { - at91_set_b_periph(AT91_PIO_PORTD, 28, 1); - } - if (cs_mask & (1 << 2)) { - at91_set_a_periph(AT91_PIO_PORTD, 18, 1); - } - if (cs_mask & (1 << 3)) { - at91_set_a_periph(AT91_PIO_PORTD, 19, 1); - } - if (cs_mask & (1 << 4)) { - at91_set_pio_output(AT91_PIO_PORTB, 17, 1); - } - if (cs_mask & (1 << 5)) { - at91_set_pio_output(AT91_PIO_PORTD, 28, 1); - } - if (cs_mask & (1 << 6)) { - at91_set_pio_output(AT91_PIO_PORTD, 18, 1); - } - if (cs_mask & (1 << 7)) { - at91_set_pio_output(AT91_PIO_PORTD, 19, 1); - } - -} -#endif - -#ifdef CONFIG_MACB -void at91_macb_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* ETXCK_EREFCK */ - at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* ERXDV */ - at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* ERX0 */ - at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* ERX1 */ - at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* ERXER */ - at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* ETXEN */ - at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* ETX0 */ - at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* ETX1 */ - at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* EMDIO */ - at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* EMDC */ -#ifndef CONFIG_RMII - at91_set_b_periph(AT91_PIO_PORTA, 29, 0); /* ECRS */ - at91_set_b_periph(AT91_PIO_PORTA, 30, 0); /* ECOL */ - at91_set_b_periph(AT91_PIO_PORTA, 8, 0); /* ERX2 */ - at91_set_b_periph(AT91_PIO_PORTA, 9, 0); /* ERX3 */ - at91_set_b_periph(AT91_PIO_PORTA, 28, 0); /* ERXCK */ - at91_set_b_periph(AT91_PIO_PORTA, 6, 0); /* ETX2 */ - at91_set_b_periph(AT91_PIO_PORTA, 7, 0); /* ETX3 */ - at91_set_b_periph(AT91_PIO_PORTA, 27, 0); /* ETXER */ -#endif -} -#endif - -#ifdef CONFIG_GENERIC_ATMEL_MCI -void at91_mci_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* MCI0 CLK */ - at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* MCI0 CDA */ - at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* MCI0 DA0 */ - at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* MCI0 DA1 */ - at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* MCI0 DA2 */ - at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* MCI0 DA3 */ - - /* Enable clock */ - writel(1 << ATMEL_ID_MCI0, &pmc->pcer); -} -#endif diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c deleted file mode 100644 index 39f17a1e11..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * (C) Copyright 2013 Atmel Corporation - * Josh Wu <josh.wu@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_pio.h> - -unsigned int has_lcdc() -{ - return 1; -} - -void at91_serial0_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 0, 1); /* TXD0 */ - at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* RXD0 */ - writel(1 << ATMEL_ID_USART0, &pmc->pcer); -} - -void at91_serial1_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 5, 1); /* TXD1 */ - at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* RXD1 */ - writel(1 << ATMEL_ID_USART1, &pmc->pcer); -} - -void at91_serial2_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* TXD2 */ - at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* RXD2 */ - writel(1 << ATMEL_ID_USART2, &pmc->pcer); -} - -void at91_serial3_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - at91_set_b_periph(AT91_PIO_PORTC, 22, 1); /* TXD3 */ - at91_set_b_periph(AT91_PIO_PORTC, 23, 0); /* RXD3 */ - writel(1 << ATMEL_ID_USART3, &pmc->pcer); -} - -void at91_seriald_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */ - at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */ - writel(1 << ATMEL_ID_SYS, &pmc->pcer); -} - -#ifdef CONFIG_ATMEL_SPI -void at91_spi0_hw_init(unsigned long cs_mask) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SPI0_MISO */ - at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* SPI0_MOSI */ - at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* SPI0_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI0, &pmc->pcer); - - if (cs_mask & (1 << 0)) - at91_set_pio_output(AT91_PIO_PORTA, 14, 1); - if (cs_mask & (1 << 1)) - at91_set_pio_output(AT91_PIO_PORTA, 7, 1); - if (cs_mask & (1 << 2)) - at91_set_pio_output(AT91_PIO_PORTA, 1, 1); - if (cs_mask & (1 << 3)) - at91_set_pio_output(AT91_PIO_PORTB, 3, 1); -} - -void at91_spi1_hw_init(unsigned long cs_mask) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - at91_set_b_periph(AT91_PIO_PORTA, 21, 0); /* SPI1_MISO */ - at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* SPI1_MOSI */ - at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* SPI1_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI1, &pmc->pcer); - - if (cs_mask & (1 << 0)) - at91_set_pio_output(AT91_PIO_PORTA, 8, 1); - if (cs_mask & (1 << 1)) - at91_set_pio_output(AT91_PIO_PORTA, 0, 1); - if (cs_mask & (1 << 2)) - at91_set_pio_output(AT91_PIO_PORTA, 31, 1); - if (cs_mask & (1 << 3)) - at91_set_pio_output(AT91_PIO_PORTA, 30, 1); -} -#endif - -void at91_mci_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* MCCK */ - at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* MCCDA */ - at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* MCDA0 */ - at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* MCDA1 */ - at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* MCDA2 */ - at91_set_a_periph(AT91_PIO_PORTA, 20, 0); /* MCDA3 */ - - writel(1 << ATMEL_ID_HSMCI0, &pmc->pcer); -} - -#ifdef CONFIG_LCD -void at91_lcd_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDPWR */ - at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDVSYNC */ - at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDHSYNC */ - at91_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDDOTCK */ - at91_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDEN */ - at91_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDDOTCK */ - - at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDD0 */ - at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDD1 */ - at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDD2 */ - at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDD3 */ - at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* LCDD4 */ - at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* LCDD5 */ - at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD6 */ - at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD7 */ - at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD8 */ - at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD9 */ - at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD10 */ - at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD11 */ - at91_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDD12 */ - at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDD13 */ - at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD14 */ - at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD15 */ - at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD16 */ - at91_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDD17 */ - at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD18 */ - at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD19 */ - at91_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDD20 */ - at91_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDD21 */ - at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD22 */ - at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD23 */ - - writel(1 << ATMEL_ID_LCDC, &pmc->pcer); -} -#endif diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c deleted file mode 100644 index 0ec32c3ab9..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/gpio.h> - -/* - * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all - * peripheral pins. Good to have if hardware is soldered optionally - * or in case of SPI no slave is selected. Avoid lines to float - * needlessly. Use a short local PUP define. - * - * Due to errata "TXD floats when CTS is inactive" pullups are always - * on for TXD pins. - */ -#ifdef CONFIG_AT91_GPIO_PULLUP -# define PUP CONFIG_AT91_GPIO_PULLUP -#else -# define PUP 0 -#endif - -void at91_serial0_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 6, 1); /* TXD0 */ - at91_set_a_periph(AT91_PIO_PORTA, 7, PUP); /* RXD0 */ - writel(1 << ATMEL_ID_USART0, &pmc->pcer); -} - -void at91_serial1_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 11, 1); /* TXD1 */ - at91_set_a_periph(AT91_PIO_PORTA, 12, PUP); /* RXD1 */ - writel(1 << ATMEL_ID_USART1, &pmc->pcer); -} - -void at91_serial2_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 13, 1); /* TXD2 */ - at91_set_a_periph(AT91_PIO_PORTA, 14, PUP); /* RXD2 */ - writel(1 << ATMEL_ID_USART2, &pmc->pcer); -} - -void at91_seriald_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 21, PUP); /* DRXD */ - at91_set_a_periph(AT91_PIO_PORTA, 22, 1); /* DTXD */ - writel(1 << ATMEL_ID_SYS, &pmc->pcer); -} - -#if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_ATMEL_SPI) -void at91_spi0_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 25, PUP); /* SPI0_MISO */ - at91_set_a_periph(AT91_PIO_PORTA, 26, PUP); /* SPI0_MOSI */ - at91_set_a_periph(AT91_PIO_PORTA, 27, PUP); /* SPI0_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI, &pmc->pcer); - - if (cs_mask & (1 << 0)) { - at91_set_a_periph(AT91_PIO_PORTA, 28, 1); - } - if (cs_mask & (1 << 1)) { - at91_set_b_periph(AT91_PIO_PORTB, 7, 1); - } - if (cs_mask & (1 << 2)) { - at91_set_a_periph(AT91_PIO_PORTD, 8, 1); - } - if (cs_mask & (1 << 3)) { - at91_set_b_periph(AT91_PIO_PORTD, 9, 1); - } - if (cs_mask & (1 << 4)) { - at91_set_pio_output(AT91_PIO_PORTA, 28, 1); - } - if (cs_mask & (1 << 5)) { - at91_set_pio_output(AT91_PIO_PORTB, 7, 1); - } - if (cs_mask & (1 << 6)) { - at91_set_pio_output(AT91_PIO_PORTD, 8, 1); - } - if (cs_mask & (1 << 7)) { - at91_set_pio_output(AT91_PIO_PORTD, 9, 1); - } -} -#endif diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c deleted file mode 100644 index 6d94572237..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright (C) 2012 Atmel Corporation - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/gpio.h> -#include <asm/io.h> - -unsigned int get_chip_id(void) -{ - /* The 0x40 is the offset of cidr in DBGU */ - return readl(ATMEL_BASE_DBGU + 0x40) & ~ARCH_ID_VERSION_MASK; -} - -unsigned int get_extension_chip_id(void) -{ - /* The 0x44 is the offset of exid in DBGU */ - return readl(ATMEL_BASE_DBGU + 0x44); -} - -unsigned int has_emac1() -{ - return cpu_is_at91sam9x25(); -} - -unsigned int has_emac0() -{ - return !(cpu_is_at91sam9g15()); -} - -unsigned int has_lcdc() -{ - return cpu_is_at91sam9g15() || cpu_is_at91sam9g35() - || cpu_is_at91sam9x35(); -} - -char *get_cpu_name() -{ - unsigned int extension_id = get_extension_chip_id(); - - if (cpu_is_at91sam9x5()) { - switch (extension_id) { - case ARCH_EXID_AT91SAM9G15: - return "AT91SAM9G15"; - case ARCH_EXID_AT91SAM9G25: - return "AT91SAM9G25"; - case ARCH_EXID_AT91SAM9G35: - return "AT91SAM9G35"; - case ARCH_EXID_AT91SAM9X25: - return "AT91SAM9X25"; - case ARCH_EXID_AT91SAM9X35: - return "AT91SAM9X35"; - default: - return "Unknown CPU type"; - } - } else { - return "Unknown CPU type"; - } -} - -void at91_seriald_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */ - at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */ - - writel(1 << ATMEL_ID_SYS, &pmc->pcer); -} - -void at91_serial0_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 0, 1); /* TXD */ - at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* RXD */ - - writel(1 << ATMEL_ID_USART0, &pmc->pcer); -} - -void at91_serial1_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 5, 1); /* TXD */ - at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* RXD */ - - writel(1 << ATMEL_ID_USART1, &pmc->pcer); -} - -void at91_serial2_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* TXD */ - at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* RXD */ - - writel(1 << ATMEL_ID_USART2, &pmc->pcer); -} - -void at91_mci_hw_init(void) -{ - /* Initialize the MCI0 */ - at91_set_a_periph(AT91_PIO_PORTA, 17, 1); /* MCCK */ - at91_set_a_periph(AT91_PIO_PORTA, 16, 1); /* MCCDA */ - at91_set_a_periph(AT91_PIO_PORTA, 15, 1); /* MCDA0 */ - at91_set_a_periph(AT91_PIO_PORTA, 18, 1); /* MCDA1 */ - at91_set_a_periph(AT91_PIO_PORTA, 19, 1); /* MCDA2 */ - at91_set_a_periph(AT91_PIO_PORTA, 20, 1); /* MCDA3 */ - - /* Enable clock for MCI0 */ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - writel(1 << ATMEL_ID_HSMCI0, &pmc->pcer); -} - -#ifdef CONFIG_ATMEL_SPI -void at91_spi0_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SPI0_MISO */ - at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* SPI0_MOSI */ - at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* SPI0_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI0, &pmc->pcer); - - if (cs_mask & (1 << 0)) - at91_set_a_periph(AT91_PIO_PORTA, 14, 0); - if (cs_mask & (1 << 1)) - at91_set_b_periph(AT91_PIO_PORTA, 7, 0); - if (cs_mask & (1 << 2)) - at91_set_b_periph(AT91_PIO_PORTA, 1, 0); - if (cs_mask & (1 << 3)) - at91_set_b_periph(AT91_PIO_PORTB, 3, 0); - if (cs_mask & (1 << 4)) - at91_set_pio_output(AT91_PIO_PORTA, 14, 0); - if (cs_mask & (1 << 5)) - at91_set_pio_output(AT91_PIO_PORTA, 7, 0); - if (cs_mask & (1 << 6)) - at91_set_pio_output(AT91_PIO_PORTA, 1, 0); - if (cs_mask & (1 << 7)) - at91_set_pio_output(AT91_PIO_PORTB, 3, 0); -} - -void at91_spi1_hw_init(unsigned long cs_mask) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - at91_set_b_periph(AT91_PIO_PORTA, 21, 0); /* SPI1_MISO */ - at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* SPI1_MOSI */ - at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* SPI1_SPCK */ - - /* Enable clock */ - writel(1 << ATMEL_ID_SPI1, &pmc->pcer); - - if (cs_mask & (1 << 0)) - at91_set_b_periph(AT91_PIO_PORTA, 8, 0); - if (cs_mask & (1 << 1)) - at91_set_b_periph(AT91_PIO_PORTA, 0, 0); - if (cs_mask & (1 << 2)) - at91_set_b_periph(AT91_PIO_PORTA, 31, 0); - if (cs_mask & (1 << 3)) - at91_set_b_periph(AT91_PIO_PORTA, 30, 0); - if (cs_mask & (1 << 4)) - at91_set_pio_output(AT91_PIO_PORTA, 8, 0); - if (cs_mask & (1 << 5)) - at91_set_pio_output(AT91_PIO_PORTA, 0, 0); - if (cs_mask & (1 << 6)) - at91_set_pio_output(AT91_PIO_PORTA, 31, 0); - if (cs_mask & (1 << 7)) - at91_set_pio_output(AT91_PIO_PORTA, 30, 0); -} -#endif - -#if defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_EHCI) -void at91_uhp_hw_init(void) -{ - /* Enable VBus on UHP ports */ - at91_set_pio_output(AT91_PIO_PORTD, 18, 0); /* port A */ - at91_set_pio_output(AT91_PIO_PORTD, 19, 0); /* port B */ -#if defined(CONFIG_USB_OHCI_NEW) - /* port C is OHCI only */ - at91_set_pio_output(AT91_PIO_PORTD, 20, 0); /* port C */ -#endif -} -#endif - -#ifdef CONFIG_MACB -void at91_macb_hw_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - - if (has_emac0()) { - /* Enable EMAC0 clock */ - writel(1 << ATMEL_ID_EMAC0, &pmc->pcer); - /* EMAC0 pins setup */ - at91_set_a_periph(AT91_PIO_PORTB, 4, 0); /* ETXCK */ - at91_set_a_periph(AT91_PIO_PORTB, 3, 0); /* ERXDV */ - at91_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ERX0 */ - at91_set_a_periph(AT91_PIO_PORTB, 1, 0); /* ERX1 */ - at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ERXER */ - at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ETXEN */ - at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ETX0 */ - at91_set_a_periph(AT91_PIO_PORTB, 10, 0); /* ETX1 */ - at91_set_a_periph(AT91_PIO_PORTB, 5, 0); /* EMDIO */ - at91_set_a_periph(AT91_PIO_PORTB, 6, 0); /* EMDC */ - } - - if (has_emac1()) { - /* Enable EMAC1 clock */ - writel(1 << ATMEL_ID_EMAC1, &pmc->pcer); - /* EMAC1 pins setup */ - at91_set_b_periph(AT91_PIO_PORTC, 29, 0); /* ETXCK */ - at91_set_b_periph(AT91_PIO_PORTC, 28, 0); /* ECRSDV */ - at91_set_b_periph(AT91_PIO_PORTC, 20, 0); /* ERXO */ - at91_set_b_periph(AT91_PIO_PORTC, 21, 0); /* ERX1 */ - at91_set_b_periph(AT91_PIO_PORTC, 16, 0); /* ERXER */ - at91_set_b_periph(AT91_PIO_PORTC, 27, 0); /* ETXEN */ - at91_set_b_periph(AT91_PIO_PORTC, 18, 0); /* ETX0 */ - at91_set_b_periph(AT91_PIO_PORTC, 19, 0); /* ETX1 */ - at91_set_b_periph(AT91_PIO_PORTC, 31, 0); /* EMDIO */ - at91_set_b_periph(AT91_PIO_PORTC, 30, 0); /* EMDC */ - } - -#ifndef CONFIG_RMII - /* Only emac0 support MII */ - if (has_emac0()) { - at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* ECRS */ - at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* ECOL */ - at91_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ERX2 */ - at91_set_a_periph(AT91_PIO_PORTB, 14, 0); /* ERX3 */ - at91_set_a_periph(AT91_PIO_PORTB, 15, 0); /* ERXCK */ - at91_set_a_periph(AT91_PIO_PORTB, 11, 0); /* ETX2 */ - at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX3 */ - at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ETXER */ - } -#endif -} -#endif diff --git a/arch/arm/cpu/arm926ejs/at91/clock.c b/arch/arm/cpu/arm926ejs/at91/clock.c deleted file mode 100644 index f363982d03..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/clock.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * [origin: Linux kernel linux/arch/arm/mach-at91/clock.c] - * - * Copyright (C) 2005 David Brownell - * Copyright (C) 2005 Ivan Kokshaysky - * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/clk.h> - -#if !defined(CONFIG_AT91FAMILY) -# error You need to define CONFIG_AT91FAMILY in your board config! -#endif - -DECLARE_GLOBAL_DATA_PTR; - -static unsigned long at91_css_to_rate(unsigned long css) -{ - switch (css) { - case AT91_PMC_MCKR_CSS_SLOW: - return CONFIG_SYS_AT91_SLOW_CLOCK; - case AT91_PMC_MCKR_CSS_MAIN: - return gd->arch.main_clk_rate_hz; - case AT91_PMC_MCKR_CSS_PLLA: - return gd->arch.plla_rate_hz; - case AT91_PMC_MCKR_CSS_PLLB: - return gd->arch.pllb_rate_hz; - } - - return 0; -} - -#ifdef CONFIG_USB_ATMEL -static unsigned at91_pll_calc(unsigned main_freq, unsigned out_freq) -{ - unsigned i, div = 0, mul = 0, diff = 1 << 30; - unsigned ret = (out_freq > 155000000) ? 0xbe00 : 0x3e00; - - /* PLL output max 240 MHz (or 180 MHz per errata) */ - if (out_freq > 240000000) - goto fail; - - for (i = 1; i < 256; i++) { - int diff1; - unsigned input, mul1; - - /* - * PLL input between 1MHz and 32MHz per spec, but lower - * frequences seem necessary in some cases so allow 100K. - * Warning: some newer products need 2MHz min. - */ - input = main_freq / i; -#if defined(CONFIG_AT91SAM9G20) - if (input < 2000000) - continue; -#endif - if (input < 100000) - continue; - if (input > 32000000) - continue; - - mul1 = out_freq / input; -#if defined(CONFIG_AT91SAM9G20) - if (mul > 63) - continue; -#endif - if (mul1 > 2048) - continue; - if (mul1 < 2) - goto fail; - - diff1 = out_freq - input * mul1; - if (diff1 < 0) - diff1 = -diff1; - if (diff > diff1) { - diff = diff1; - div = i; - mul = mul1; - if (diff == 0) - break; - } - } - if (i == 256 && diff > (out_freq >> 5)) - goto fail; - return ret | ((mul - 1) << 16) | div; -fail: - return 0; -} -#endif - -static u32 at91_pll_rate(u32 freq, u32 reg) -{ - unsigned mul, div; - - div = reg & 0xff; - mul = (reg >> 16) & 0x7ff; - if (div && mul) { - freq /= div; - freq *= mul + 1; - } else - freq = 0; - - return freq; -} - -int at91_clock_init(unsigned long main_clock) -{ - unsigned freq, mckr; - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; -#ifndef CONFIG_SYS_AT91_MAIN_CLOCK - unsigned tmp; - /* - * When the bootloader initialized the main oscillator correctly, - * there's no problem using the cycle counter. But if it didn't, - * or when using oscillator bypass mode, we must be told the speed - * of the main clock. - */ - if (!main_clock) { - do { - tmp = readl(&pmc->mcfr); - } while (!(tmp & AT91_PMC_MCFR_MAINRDY)); - tmp &= AT91_PMC_MCFR_MAINF_MASK; - main_clock = tmp * (CONFIG_SYS_AT91_SLOW_CLOCK / 16); - } -#endif - gd->arch.main_clk_rate_hz = main_clock; - - /* report if PLLA is more than mildly overclocked */ - gd->arch.plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar)); - -#ifdef CONFIG_USB_ATMEL - /* - * USB clock init: choose 48 MHz PLLB value, - * disable 48MHz clock during usb peripheral suspend. - * - * REVISIT: assumes MCK doesn't derive from PLLB! - */ - gd->arch.at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | - AT91_PMC_PLLBR_USBDIV_2; - gd->arch.pllb_rate_hz = at91_pll_rate(main_clock, - gd->arch.at91_pllb_usb_init); -#endif - - /* - * MCK and CPU derive from one of those primary clocks. - * For now, assume this parentage won't change. - */ - mckr = readl(&pmc->mckr); -#if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \ - || defined(CONFIG_AT91SAM9N12) || defined(CONFIG_AT91SAM9X5) - /* plla divisor by 2 */ - gd->arch.plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12)); -#endif - gd->arch.mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK); - freq = gd->arch.mck_rate_hz; - - freq /= (1 << ((mckr & AT91_PMC_MCKR_PRES_MASK) >> 2)); /* prescale */ -#if defined(CONFIG_AT91SAM9G20) - /* mdiv ; (x >> 7) = ((x >> 8) * 2) */ - gd->arch.mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ? - freq / ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 7) : freq; - if (mckr & AT91_PMC_MCKR_MDIV_MASK) - freq /= 2; /* processor clock division */ -#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \ - || defined(CONFIG_AT91SAM9N12) || defined(CONFIG_AT91SAM9X5) - /* mdiv <==> divisor - * 0 <==> 1 - * 1 <==> 2 - * 2 <==> 4 - * 3 <==> 3 - */ - gd->arch.mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) == - (AT91_PMC_MCKR_MDIV_2 | AT91_PMC_MCKR_MDIV_4) - ? freq / 3 - : freq / (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8)); -#else - gd->arch.mck_rate_hz = freq / - (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8)); -#endif - gd->arch.cpu_clk_rate_hz = freq; - - return 0; -} - -#if !defined(AT91_PLL_LOCK_TIMEOUT) -#define AT91_PLL_LOCK_TIMEOUT 1000000 -#endif - -void at91_plla_init(u32 pllar) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - int timeout = AT91_PLL_LOCK_TIMEOUT; - - writel(pllar, &pmc->pllar); - while (!(readl(&pmc->sr) & (AT91_PMC_LOCKA | AT91_PMC_MCKRDY))) { - timeout--; - if (timeout == 0) - break; - } -} -void at91_pllb_init(u32 pllbr) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - int timeout = AT91_PLL_LOCK_TIMEOUT; - - writel(pllbr, &pmc->pllbr); - while (!(readl(&pmc->sr) & (AT91_PMC_LOCKB | AT91_PMC_MCKRDY))) { - timeout--; - if (timeout == 0) - break; - } -} - -void at91_mck_init(u32 mckr) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - int timeout = AT91_PLL_LOCK_TIMEOUT; - u32 tmp; - - tmp = readl(&pmc->mckr); - tmp &= ~(AT91_PMC_MCKR_PRES_MASK | - AT91_PMC_MCKR_MDIV_MASK | - AT91_PMC_MCKR_PLLADIV_MASK | - AT91_PMC_MCKR_CSS_MASK); - tmp |= mckr & (AT91_PMC_MCKR_PRES_MASK | - AT91_PMC_MCKR_MDIV_MASK | - AT91_PMC_MCKR_PLLADIV_MASK | - AT91_PMC_MCKR_CSS_MASK); - writel(tmp, &pmc->mckr); - - while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) { - timeout--; - if (timeout == 0) - break; - } -} - -void at91_periph_clk_enable(int id) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - writel(1 << id, &pmc->pcer); -} diff --git a/arch/arm/cpu/arm926ejs/at91/config.mk b/arch/arm/cpu/arm926ejs/at91/config.mk deleted file mode 100644 index 370630d4de..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/config.mk +++ /dev/null @@ -1,2 +0,0 @@ -PF_CPPFLAGS_TUNE := $(call cc-option,-mtune=arm926ejs,) -PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_TUNE) diff --git a/arch/arm/cpu/arm926ejs/at91/cpu.c b/arch/arm/cpu/arm926ejs/at91/cpu.c deleted file mode 100644 index da1d35907e..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/cpu.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * (C) Copyright 2010 - * Reinhard Meyer, reinhard.meyer@emk-elektronik.de - * (C) Copyright 2009 - * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_pit.h> -#include <asm/arch/at91_gpbr.h> -#include <asm/arch/clk.h> - -#ifndef CONFIG_SYS_AT91_MAIN_CLOCK -#define CONFIG_SYS_AT91_MAIN_CLOCK 0 -#endif - -int arch_cpu_init(void) -{ - return at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK); -} - -void arch_preboot_os(void) -{ - ulong cpiv; - at91_pit_t *pit = (at91_pit_t *) ATMEL_BASE_PIT; - - cpiv = AT91_PIT_MR_PIV_MASK(readl(&pit->piir)); - - /* - * Disable PITC - * Add 0x1000 to current counter to stop it faster - * without waiting for wrapping back to 0 - */ - writel(cpiv + 0x1000, &pit->mr); -} - -#if defined(CONFIG_DISPLAY_CPUINFO) -int print_cpuinfo(void) -{ - char buf[32]; - - printf("CPU: %s\n", ATMEL_CPU_NAME); - printf("Crystal frequency: %8s MHz\n", - strmhz(buf, get_main_clk_rate())); - printf("CPU clock : %8s MHz\n", - strmhz(buf, get_cpu_clk_rate())); - printf("Master clock : %8s MHz\n", - strmhz(buf, get_mck_clk_rate())); - - return 0; -} -#endif diff --git a/arch/arm/cpu/arm926ejs/at91/eflash.c b/arch/arm/cpu/arm926ejs/at91/eflash.c deleted file mode 100644 index 3f39264289..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/eflash.c +++ /dev/null @@ -1,254 +0,0 @@ -/* - * (C) Copyright 2010 - * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * this driver supports the enhanced embedded flash in the Atmel - * AT91SAM9XE devices with the following geometry: - * - * AT91SAM9XE128: 1 plane of 8 regions of 32 pages (total 256 pages) - * AT91SAM9XE256: 1 plane of 16 regions of 32 pages (total 512 pages) - * AT91SAM9XE512: 1 plane of 32 regions of 32 pages (total 1024 pages) - * (the exact geometry is read from the flash at runtime, so any - * future devices should already be covered) - * - * Regions can be write/erase protected. - * Whole (!) pages can be individually written with erase on the fly. - * Writing partial pages will corrupt the rest of the page. - * - * The flash is presented to u-boot with each region being a sector, - * having the following effects: - * Each sector can be hardware protected (protect on/off). - * Each page in a sector can be rewritten anytime. - * Since pages are erased when written, the "erase" does nothing. - * The first "CONFIG_EFLASH_PROTSECTORS" cannot be unprotected - * by u-Boot commands. - * - * Note: Redundant environment will not work in this flash since - * it does use partial page writes. Make sure the environment spans - * whole pages! - */ - -/* - * optional TODOs (nice to have features): - * - * make the driver coexist with other NOR flash drivers - * (use an index into flash_info[], requires work - * in those other drivers, too) - * Make the erase command fill the sectors with 0xff - * (if the flashes grow larger in the future and - * someone puts a jffs2 into them) - * do a read-modify-write for partially programmed pages - */ -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_eefc.h> -#include <asm/arch/at91_dbu.h> - -/* checks to detect configuration errors */ -#if CONFIG_SYS_MAX_FLASH_BANKS!=1 -#error eflash: this driver can only handle 1 bank -#endif - -/* global structure */ -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; -static u32 pagesize; - -unsigned long flash_init (void) -{ - at91_eefc_t *eefc = (at91_eefc_t *) ATMEL_BASE_EEFC; - at91_dbu_t *dbu = (at91_dbu_t *) ATMEL_BASE_DBGU; - u32 id, size, nplanes, planesize, nlocks; - u32 addr, i, tmp=0; - - debug("eflash: init\n"); - - flash_info[0].flash_id = FLASH_UNKNOWN; - - /* check if its an AT91ARM9XE SoC */ - if ((readl(&dbu->cidr) & AT91_DBU_CID_ARCH_MASK) != AT91_DBU_CID_ARCH_9XExx) { - puts("eflash: not an AT91SAM9XE\n"); - return 0; - } - - /* now query the eflash for its structure */ - writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_GETD, &eefc->fcr); - while ((readl(&eefc->fsr) & AT91_EEFC_FSR_FRDY) == 0) - ; - id = readl(&eefc->frr); /* word 0 */ - size = readl(&eefc->frr); /* word 1 */ - pagesize = readl(&eefc->frr); /* word 2 */ - nplanes = readl(&eefc->frr); /* word 3 */ - planesize = readl(&eefc->frr); /* word 4 */ - debug("id=%08x size=%u pagesize=%u planes=%u planesize=%u\n", - id, size, pagesize, nplanes, planesize); - for (i=1; i<nplanes; i++) { - tmp = readl(&eefc->frr); /* words 5..4+nplanes-1 */ - }; - nlocks = readl(&eefc->frr); /* word 4+nplanes */ - debug("nlocks=%u\n", nlocks); - /* since we are going to use the lock regions as sectors, check count */ - if (nlocks > CONFIG_SYS_MAX_FLASH_SECT) { - printf("eflash: number of lock regions(%u) "\ - "> CONFIG_SYS_MAX_FLASH_SECT. reducing...\n", - nlocks); - nlocks = CONFIG_SYS_MAX_FLASH_SECT; - } - flash_info[0].size = size; - flash_info[0].sector_count = nlocks; - flash_info[0].flash_id = id; - - addr = ATMEL_BASE_FLASH; - for (i=0; i<nlocks; i++) { - tmp = readl(&eefc->frr); /* words 4+nplanes+1.. */ - flash_info[0].start[i] = addr; - flash_info[0].protect[i] = 0; - addr += tmp; - }; - - /* now read the protection information for all regions */ - writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_GLB, &eefc->fcr); - while ((readl(&eefc->fsr) & AT91_EEFC_FSR_FRDY) == 0) - ; - for (i=0; i<flash_info[0].sector_count; i++) { - if (i%32 == 0) - tmp = readl(&eefc->frr); - flash_info[0].protect[i] = (tmp >> (i%32)) & 1; -#if defined(CONFIG_EFLASH_PROTSECTORS) - if (i < CONFIG_EFLASH_PROTSECTORS) - flash_info[0].protect[i] = 1; -#endif - } - - return size; -} - -void flash_print_info (flash_info_t *info) -{ - int i; - - puts("AT91SAM9XE embedded flash\n Size: "); - print_size(info->size, " in "); - printf("%d Sectors\n", info->sector_count); - - printf(" Sector Start Addresses:"); - for (i=0; i<info->sector_count; ++i) { - if ((i % 5) == 0) - printf("\n "); - printf(" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); - return; -} - -int flash_real_protect (flash_info_t *info, long sector, int prot) -{ - at91_eefc_t *eefc = (at91_eefc_t *) ATMEL_BASE_EEFC; - u32 pagenum = (info->start[sector]-ATMEL_BASE_FLASH)/pagesize; - u32 i, tmp=0; - - debug("protect sector=%ld prot=%d\n", sector, prot); - -#if defined(CONFIG_EFLASH_PROTSECTORS) - if (sector < CONFIG_EFLASH_PROTSECTORS) { - if (!prot) { - printf("eflash: sector %lu cannot be unprotected\n", - sector); - } - return 1; /* return anyway, caller does not care for result */ - } -#endif - if (prot) { - writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_SLB | - (pagenum << AT91_EEFC_FCR_FARG_SHIFT), &eefc->fcr); - } else { - writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_CLB | - (pagenum << AT91_EEFC_FCR_FARG_SHIFT), &eefc->fcr); - } - while ((readl(&eefc->fsr) & AT91_EEFC_FSR_FRDY) == 0) - ; - /* now re-read the protection information for all regions */ - writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_GLB, &eefc->fcr); - while ((readl(&eefc->fsr) & AT91_EEFC_FSR_FRDY) == 0) - ; - for (i=0; i<info->sector_count; i++) { - if (i%32 == 0) - tmp = readl(&eefc->frr); - info->protect[i] = (tmp >> (i%32)) & 1; - } - return 0; -} - -static u32 erase_write_page (u32 pagenum) -{ - at91_eefc_t *eefc = (at91_eefc_t *) ATMEL_BASE_EEFC; - - debug("erase+write page=%u\n", pagenum); - - /* give erase and write page command */ - writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_EWP | - (pagenum << AT91_EEFC_FCR_FARG_SHIFT), &eefc->fcr); - while ((readl(&eefc->fsr) & AT91_EEFC_FSR_FRDY) == 0) - ; - /* return status */ - return readl(&eefc->fsr) - & (AT91_EEFC_FSR_FCMDE | AT91_EEFC_FSR_FLOCKE); -} - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - debug("erase first=%d last=%d\n", s_first, s_last); - puts("this flash does not need and support erasing!\n"); - return 0; -} - -/* - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - u32 pagenum; - u32 *src32, *dst32; - u32 i; - - debug("write src=%08lx addr=%08lx cnt=%lx\n", - (ulong)src, addr, cnt); - - /* REQUIRE addr to be on a page start, abort if not */ - if (addr % pagesize) { - printf ("eflash: start %08lx is not on page start\n"\ - " write aborted\n", addr); - return 1; - } - - /* now start copying data */ - pagenum = (addr-ATMEL_BASE_FLASH)/pagesize; - src32 = (u32 *) src; - dst32 = (u32 *) addr; - while (cnt > 0) { - i = pagesize / 4; - /* fill page buffer */ - while (i--) - *dst32++ = *src32++; - /* write page */ - if (erase_write_page(pagenum)) - return 1; - pagenum++; - if (cnt > pagesize) - cnt -= pagesize; - else - cnt = 0; - } - return 0; -} diff --git a/arch/arm/cpu/arm926ejs/at91/led.c b/arch/arm/cpu/arm926ejs/at91/led.c deleted file mode 100644 index b8d5c785df..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/led.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/gpio.h> -#include <asm/arch/gpio.h> -#include <status_led.h> - -#ifdef CONFIG_RED_LED -void red_led_on(void) -{ - gpio_set_value(CONFIG_RED_LED, 1); -} - -void red_led_off(void) -{ - gpio_set_value(CONFIG_RED_LED, 0); -} -#endif - -#ifdef CONFIG_GREEN_LED -void green_led_on(void) -{ - gpio_set_value(CONFIG_GREEN_LED, 0); -} - -void green_led_off(void) -{ - gpio_set_value(CONFIG_GREEN_LED, 1); -} -#endif - -#ifdef CONFIG_YELLOW_LED -void yellow_led_on(void) -{ - gpio_set_value(CONFIG_YELLOW_LED, 0); -} - -void yellow_led_off(void) -{ - gpio_set_value(CONFIG_YELLOW_LED, 1); -} -#endif diff --git a/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S b/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S deleted file mode 100644 index a9ec81a75c..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Memory Setup stuff - taken from blob memsetup.S - * - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and - * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) - * - * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at) - * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_wdt.h> -#include <asm/arch/at91_pio.h> -#include <asm/arch/at91_matrix.h> -#include <asm/arch/at91sam9_sdramc.h> -#include <asm/arch/at91sam9_smc.h> -#include <asm/arch/at91_rstc.h> -#ifdef CONFIG_ATMEL_LEGACY -#include <asm/arch/at91sam9_matrix.h> -#endif -#ifndef CONFIG_SYS_MATRIX_EBICSA_VAL -#define CONFIG_SYS_MATRIX_EBICSA_VAL CONFIG_SYS_MATRIX_EBI0CSA_VAL -#endif - -.globl lowlevel_init -.type lowlevel_init,function -lowlevel_init: - -POS1: - adr r5, POS1 /* r5 = POS1 run time */ - ldr r0, =POS1 /* r0 = POS1 compile */ - sub r5, r5, r0 /* r0 = CONFIG_SYS_TEXT_BASE-1 */ - - /* memory control configuration 1 */ - ldr r0, =SMRDATA - ldr r2, =SMRDATA1 - add r0, r0, r5 - add r2, r2, r5 -0: - /* the address */ - ldr r1, [r0], #4 - /* the value */ - ldr r3, [r0], #4 - str r3, [r1] - cmp r2, r0 - bne 0b - -/* ---------------------------------------------------------------------------- - * PMC Init Step 1. - * ---------------------------------------------------------------------------- - * - Check if the PLL is already initialized - * ---------------------------------------------------------------------------- - */ - ldr r1, =(AT91_ASM_PMC_MCKR) - ldr r0, [r1] - and r0, r0, #3 - cmp r0, #0 - bne PLL_setup_end - -/* --------------------------------------------------------------------------- - * - Enable the Main Oscillator - * --------------------------------------------------------------------------- - */ - ldr r1, =(AT91_ASM_PMC_MOR) - ldr r2, =(AT91_ASM_PMC_SR) - /* Main oscillator Enable register PMC_MOR: */ - ldr r0, =CONFIG_SYS_MOR_VAL - str r0, [r1] - - /* Reading the PMC Status to detect when the Main Oscillator is enabled */ - mov r4, #AT91_PMC_IXR_MOSCS -MOSCS_Loop: - ldr r3, [r2] - and r3, r4, r3 - cmp r3, #AT91_PMC_IXR_MOSCS - bne MOSCS_Loop - -/* ---------------------------------------------------------------------------- - * PMC Init Step 2. - * ---------------------------------------------------------------------------- - * Setup PLLA - * ---------------------------------------------------------------------------- - */ - ldr r1, =(AT91_ASM_PMC_PLLAR) - ldr r0, =CONFIG_SYS_PLLAR_VAL - str r0, [r1] - - /* Reading the PMC Status register to detect when the PLLA is locked */ - mov r4, #AT91_PMC_IXR_LOCKA -MOSCS_Loop1: - ldr r3, [r2] - and r3, r4, r3 - cmp r3, #AT91_PMC_IXR_LOCKA - bne MOSCS_Loop1 - -/* ---------------------------------------------------------------------------- - * PMC Init Step 3. - * ---------------------------------------------------------------------------- - * - Switch on the Main Oscillator - * ---------------------------------------------------------------------------- - */ - ldr r1, =(AT91_ASM_PMC_MCKR) - - /* -Master Clock Controller register PMC_MCKR */ - ldr r0, =CONFIG_SYS_MCKR1_VAL - str r0, [r1] - - /* Reading the PMC Status to detect when the Master clock is ready */ - mov r4, #AT91_PMC_IXR_MCKRDY -MCKRDY_Loop: - ldr r3, [r2] - and r3, r4, r3 - cmp r3, #AT91_PMC_IXR_MCKRDY - bne MCKRDY_Loop - - ldr r0, =CONFIG_SYS_MCKR2_VAL - str r0, [r1] - - /* Reading the PMC Status to detect when the Master clock is ready */ - mov r4, #AT91_PMC_IXR_MCKRDY -MCKRDY_Loop1: - ldr r3, [r2] - and r3, r4, r3 - cmp r3, #AT91_PMC_IXR_MCKRDY - bne MCKRDY_Loop1 -PLL_setup_end: - -/* ---------------------------------------------------------------------------- - * - memory control configuration 2 - * ---------------------------------------------------------------------------- - */ - ldr r0, =(AT91_ASM_SDRAMC_TR) - ldr r1, [r0] - cmp r1, #0 - bne SDRAM_setup_end - - ldr r0, =SMRDATA1 - ldr r2, =SMRDATA2 - add r0, r0, r5 - add r2, r2, r5 -2: - /* the address */ - ldr r1, [r0], #4 - /* the value */ - ldr r3, [r0], #4 - str r3, [r1] - cmp r2, r0 - bne 2b - -SDRAM_setup_end: - /* everything is fine now */ - mov pc, lr - - .ltorg - -SMRDATA: - .word AT91_ASM_WDT_MR - .word CONFIG_SYS_WDTC_WDMR_VAL - /* configure PIOx as EBI0 D[16-31] */ -#if defined(CONFIG_AT91SAM9263) - .word AT91_ASM_PIOD_PDR - .word CONFIG_SYS_PIOD_PDR_VAL1 - .word AT91_ASM_PIOD_PUDR - .word CONFIG_SYS_PIOD_PPUDR_VAL - .word AT91_ASM_PIOD_ASR - .word CONFIG_SYS_PIOD_PPUDR_VAL -#elif defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) \ - || defined(CONFIG_AT91SAM9G20) - .word AT91_ASM_PIOC_PDR - .word CONFIG_SYS_PIOC_PDR_VAL1 - .word AT91_ASM_PIOC_PUDR - .word CONFIG_SYS_PIOC_PPUDR_VAL -#endif - .word AT91_ASM_MATRIX_CSA0 - .word CONFIG_SYS_MATRIX_EBICSA_VAL - - /* flash */ - .word AT91_ASM_SMC_MODE0 - .word CONFIG_SYS_SMC0_MODE0_VAL - - .word AT91_ASM_SMC_CYCLE0 - .word CONFIG_SYS_SMC0_CYCLE0_VAL - - .word AT91_ASM_SMC_PULSE0 - .word CONFIG_SYS_SMC0_PULSE0_VAL - - .word AT91_ASM_SMC_SETUP0 - .word CONFIG_SYS_SMC0_SETUP0_VAL - -SMRDATA1: - .word AT91_ASM_SDRAMC_MR - .word CONFIG_SYS_SDRC_MR_VAL1 - .word AT91_ASM_SDRAMC_TR - .word CONFIG_SYS_SDRC_TR_VAL1 - .word AT91_ASM_SDRAMC_CR - .word CONFIG_SYS_SDRC_CR_VAL - .word AT91_ASM_SDRAMC_MDR - .word CONFIG_SYS_SDRC_MDR_VAL - .word AT91_ASM_SDRAMC_MR - .word CONFIG_SYS_SDRC_MR_VAL2 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL1 - .word AT91_ASM_SDRAMC_MR - .word CONFIG_SYS_SDRC_MR_VAL3 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL2 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL3 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL4 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL5 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL6 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL7 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL8 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL9 - .word AT91_ASM_SDRAMC_MR - .word CONFIG_SYS_SDRC_MR_VAL4 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL10 - .word AT91_ASM_SDRAMC_MR - .word CONFIG_SYS_SDRC_MR_VAL5 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL11 - .word AT91_ASM_SDRAMC_TR - .word CONFIG_SYS_SDRC_TR_VAL2 - .word CONFIG_SYS_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL12 - /* User reset enable*/ - .word AT91_ASM_RSTC_MR - .word CONFIG_SYS_RSTC_RMR_VAL -#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP - /* MATRIX_MCFG - REMAP all masters */ - .word AT91_ASM_MATRIX_MCFG - .word 0x1FF -#endif -SMRDATA2: - .word 0 diff --git a/arch/arm/cpu/arm926ejs/at91/reset.c b/arch/arm/cpu/arm926ejs/at91/reset.c deleted file mode 100644 index e67f47bd04..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/reset.c +++ /dev/null @@ -1,29 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_rstc.h> - -/* Reset the cpu by telling the reset controller to do so */ -void reset_cpu(ulong ignored) -{ - at91_rstc_t *rstc = (at91_rstc_t *) ATMEL_BASE_RSTC; - - writel(AT91_RSTC_KEY - | AT91_RSTC_CR_PROCRST /* Processor Reset */ - | AT91_RSTC_CR_PERRST /* Peripheral Reset */ -#ifdef CONFIG_AT91RESET_EXTRST - | AT91_RSTC_CR_EXTRST /* External Reset (assert nRST pin) */ -#endif - , &rstc->cr); - /* never reached */ - while (1) - ; -} diff --git a/arch/arm/cpu/arm926ejs/at91/timer.c b/arch/arm/cpu/arm926ejs/at91/timer.c deleted file mode 100644 index b0b7fb93fb..0000000000 --- a/arch/arm/cpu/arm926ejs/at91/timer.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_pit.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/clk.h> -#include <div64.h> - -#if !defined(CONFIG_AT91FAMILY) -# error You need to define CONFIG_AT91FAMILY in your board config! -#endif - -DECLARE_GLOBAL_DATA_PTR; - -/* - * We're using the AT91CAP9/SAM9 PITC in 32 bit mode, by - * setting the 20 bit counter period to its maximum (0xfffff). - * (See the relevant data sheets to understand that this really works) - * - * We do also mimic the typical powerpc way of incrementing - * two 32 bit registers called tbl and tbu. - * - * Those registers increment at 1/16 the main clock rate. - */ - -#define TIMER_LOAD_VAL 0xfffff - -static inline unsigned long long tick_to_time(unsigned long long tick) -{ - tick *= CONFIG_SYS_HZ; - do_div(tick, gd->arch.timer_rate_hz); - - return tick; -} - -static inline unsigned long long usec_to_tick(unsigned long long usec) -{ - usec *= gd->arch.timer_rate_hz; - do_div(usec, 1000000); - - return usec; -} - -/* - * Use the PITC in full 32 bit incrementing mode - */ -int timer_init(void) -{ - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - at91_pit_t *pit = (at91_pit_t *) ATMEL_BASE_PIT; - - /* Enable PITC Clock */ - writel(1 << ATMEL_ID_SYS, &pmc->pcer); - - /* Enable PITC */ - writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr); - - gd->arch.timer_rate_hz = gd->arch.mck_rate_hz / 16; - gd->arch.tbu = gd->arch.tbl = 0; - - return 0; -} - -/* - * Get the current 64 bit timer tick count - */ -unsigned long long get_ticks(void) -{ - at91_pit_t *pit = (at91_pit_t *) ATMEL_BASE_PIT; - - ulong now = readl(&pit->piir); - - /* increment tbu if tbl has rolled over */ - if (now < gd->arch.tbl) - gd->arch.tbu++; - gd->arch.tbl = now; - return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl; -} - -void __udelay(unsigned long usec) -{ - unsigned long long start; - ulong tmo; - - start = get_ticks(); /* get current timestamp */ - tmo = usec_to_tick(usec); /* convert usecs to ticks */ - while ((get_ticks() - start) < tmo) - ; /* loop till time has passed */ -} - -/* - * get_timer(base) can be used to check for timeouts or - * to measure elasped time relative to an event: - * - * ulong start_time = get_timer(0) sets start_time to the current - * time value. - * get_timer(start_time) returns the time elapsed since then. - * - * The time is used in CONFIG_SYS_HZ units! - */ -ulong get_timer(ulong base) -{ - return tick_to_time(get_ticks()) - base; -} - -/* - * Return the number of timer ticks per second. - */ -ulong get_tbclk(void) -{ - return gd->arch.timer_rate_hz; -} diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile index 409e6f5651..6dbca26ceb 100644 --- a/arch/arm/cpu/armv7/Makefile +++ b/arch/arm/cpu/armv7/Makefile @@ -40,7 +40,6 @@ endif obj-$(if $(filter am33xx,$(SOC)),y) += am33xx/ obj-$(if $(filter armada-xp,$(SOC)),y) += armada-xp/ -obj-$(CONFIG_AT91FAMILY) += at91/ obj-$(if $(filter bcm281xx,$(SOC)),y) += bcm281xx/ obj-$(if $(filter bcmcygnus,$(SOC)),y) += bcmcygnus/ obj-$(if $(filter bcmnsp,$(SOC)),y) += bcmnsp/ diff --git a/arch/arm/cpu/armv7/at91/Makefile b/arch/arm/cpu/armv7/at91/Makefile deleted file mode 100644 index f4f35a4bc1..0000000000 --- a/arch/arm/cpu/armv7/at91/Makefile +++ /dev/null @@ -1,16 +0,0 @@ -# -# (C) Copyright 2000-2008 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2013 -# Bo Shen <voice.shen@atmel.com> -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-$(CONFIG_SAMA5D3) += sama5d3_devices.o -obj-$(CONFIG_SAMA5D4) += sama5d4_devices.o -obj-y += clock.o -obj-y += cpu.o -obj-y += reset.o -obj-y += timer.o diff --git a/arch/arm/cpu/armv7/at91/clock.c b/arch/arm/cpu/armv7/at91/clock.c deleted file mode 100644 index 0bf453eff5..0000000000 --- a/arch/arm/cpu/armv7/at91/clock.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * [origin: Linux kernel linux/arch/arm/mach-at91/clock.c] - * - * Copyright (C) 2005 David Brownell - * Copyright (C) 2005 Ivan Kokshaysky - * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * Copyright (C) 2013 Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/clk.h> - -#if !defined(CONFIG_AT91FAMILY) -# error You need to define CONFIG_AT91FAMILY in your board config! -#endif - -DECLARE_GLOBAL_DATA_PTR; - -static unsigned long at91_css_to_rate(unsigned long css) -{ - switch (css) { - case AT91_PMC_MCKR_CSS_SLOW: - return CONFIG_SYS_AT91_SLOW_CLOCK; - case AT91_PMC_MCKR_CSS_MAIN: - return gd->arch.main_clk_rate_hz; - case AT91_PMC_MCKR_CSS_PLLA: - return gd->arch.plla_rate_hz; - } - - return 0; -} - -static u32 at91_pll_rate(u32 freq, u32 reg) -{ - unsigned mul, div; - - div = reg & 0xff; - mul = (reg >> 18) & 0x7f; - if (div && mul) { - freq /= div; - freq *= mul + 1; - } else { - freq = 0; - } - - return freq; -} - -int at91_clock_init(unsigned long main_clock) -{ - unsigned freq, mckr; - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; -#ifndef CONFIG_SYS_AT91_MAIN_CLOCK - unsigned tmp; - /* - * When the bootloader initialized the main oscillator correctly, - * there's no problem using the cycle counter. But if it didn't, - * or when using oscillator bypass mode, we must be told the speed - * of the main clock. - */ - if (!main_clock) { - do { - tmp = readl(&pmc->mcfr); - } while (!(tmp & AT91_PMC_MCFR_MAINRDY)); - tmp &= AT91_PMC_MCFR_MAINF_MASK; - main_clock = tmp * (CONFIG_SYS_AT91_SLOW_CLOCK / 16); - } -#endif - gd->arch.main_clk_rate_hz = main_clock; - - /* report if PLLA is more than mildly overclocked */ - gd->arch.plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar)); - - /* - * MCK and CPU derive from one of those primary clocks. - * For now, assume this parentage won't change. - */ - mckr = readl(&pmc->mckr); - - /* plla divisor by 2 */ - if (mckr & (1 << 12)) - gd->arch.plla_rate_hz >>= 1; - - gd->arch.mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK); - freq = gd->arch.mck_rate_hz; - - /* prescale */ - freq >>= mckr & AT91_PMC_MCKR_PRES_MASK; - - switch (mckr & AT91_PMC_MCKR_MDIV_MASK) { - case AT91_PMC_MCKR_MDIV_2: - gd->arch.mck_rate_hz = freq / 2; - break; - case AT91_PMC_MCKR_MDIV_3: - gd->arch.mck_rate_hz = freq / 3; - break; - case AT91_PMC_MCKR_MDIV_4: - gd->arch.mck_rate_hz = freq / 4; - break; - default: - break; - } - - gd->arch.cpu_clk_rate_hz = freq; - - return 0; -} - -void at91_plla_init(u32 pllar) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - writel(pllar, &pmc->pllar); - while (!(readl(&pmc->sr) & (AT91_PMC_LOCKA | AT91_PMC_MCKRDY))) - ; -} - -void at91_mck_init(u32 mckr) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - u32 tmp; - - tmp = readl(&pmc->mckr); - tmp &= ~(AT91_PMC_MCKR_CSS_MASK | - AT91_PMC_MCKR_PRES_MASK | - AT91_PMC_MCKR_MDIV_MASK | - AT91_PMC_MCKR_PLLADIV_2); -#ifdef CPU_HAS_H32MXDIV - tmp &= ~AT91_PMC_MCKR_H32MXDIV; -#endif - - tmp |= mckr & (AT91_PMC_MCKR_CSS_MASK | - AT91_PMC_MCKR_PRES_MASK | - AT91_PMC_MCKR_MDIV_MASK | - AT91_PMC_MCKR_PLLADIV_2); -#ifdef CPU_HAS_H32MXDIV - tmp |= mckr & AT91_PMC_MCKR_H32MXDIV; -#endif - - writel(tmp, &pmc->mckr); - - while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) - ; -} - -void at91_periph_clk_enable(int id) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - u32 regval; - - if (id > AT91_PMC_PCR_PID_MASK) - return; - - regval = AT91_PMC_PCR_EN | AT91_PMC_PCR_CMD_WRITE | id; - - writel(regval, &pmc->pcr); -} - -void at91_periph_clk_disable(int id) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - u32 regval; - - if (id > AT91_PMC_PCR_PID_MASK) - return; - - regval = AT91_PMC_PCR_CMD_WRITE | id; - - writel(regval, &pmc->pcr); -} diff --git a/arch/arm/cpu/armv7/at91/config.mk b/arch/arm/cpu/armv7/at91/config.mk deleted file mode 100644 index db6030880f..0000000000 --- a/arch/arm/cpu/armv7/at91/config.mk +++ /dev/null @@ -1,8 +0,0 @@ -# -# Copyright (C) 2014, Andreas Bießmann <andreas.devel@googlemail.com> -# -# SPDX-License-Identifier: GPL-2.0+ -# -ifndef CONFIG_SPL_BUILD -ALL-y += u-boot.img -endif diff --git a/arch/arm/cpu/armv7/at91/cpu.c b/arch/arm/cpu/armv7/at91/cpu.c deleted file mode 100644 index 8d86f97e3d..0000000000 --- a/arch/arm/cpu/armv7/at91/cpu.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * (C) Copyright 2010 - * Reinhard Meyer, reinhard.meyer@emk-elektronik.de - * (C) Copyright 2009 - * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> - * (C) Copyright 2013 - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_dbu.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_pit.h> -#include <asm/arch/at91_gpbr.h> -#include <asm/arch/clk.h> - -#ifndef CONFIG_SYS_AT91_MAIN_CLOCK -#define CONFIG_SYS_AT91_MAIN_CLOCK 0 -#endif - -int arch_cpu_init(void) -{ - return at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK); -} - -void arch_preboot_os(void) -{ - ulong cpiv; - at91_pit_t *pit = (at91_pit_t *)ATMEL_BASE_PIT; - - cpiv = AT91_PIT_MR_PIV_MASK(readl(&pit->piir)); - - /* - * Disable PITC - * Add 0x1000 to current counter to stop it faster - * without waiting for wrapping back to 0 - */ - writel(cpiv + 0x1000, &pit->mr); -} - -#if defined(CONFIG_DISPLAY_CPUINFO) -int print_cpuinfo(void) -{ - char buf[32]; - - printf("CPU: %s\n", get_cpu_name()); - printf("Crystal frequency: %8s MHz\n", - strmhz(buf, get_main_clk_rate())); - printf("CPU clock : %8s MHz\n", - strmhz(buf, get_cpu_clk_rate())); - printf("Master clock : %8s MHz\n", - strmhz(buf, get_mck_clk_rate())); - - return 0; -} -#endif - -void enable_caches(void) -{ - icache_enable(); - dcache_enable(); -} - -unsigned int get_chip_id(void) -{ - return readl(ATMEL_BASE_DBGU + AT91_DBU_CIDR) & ~AT91_DBU_CIDR_MASK; -} - -unsigned int get_extension_chip_id(void) -{ - return readl(ATMEL_BASE_DBGU + AT91_DBU_EXID); -} diff --git a/arch/arm/cpu/armv7/at91/reset.c b/arch/arm/cpu/armv7/at91/reset.c deleted file mode 100644 index b30e79b60a..0000000000 --- a/arch/arm/cpu/armv7/at91/reset.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * (C) Copyright 2013 - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_rstc.h> - -/* Reset the cpu by telling the reset controller to do so */ -void reset_cpu(ulong ignored) -{ - at91_rstc_t *rstc = (at91_rstc_t *)ATMEL_BASE_RSTC; - - writel(AT91_RSTC_KEY - | AT91_RSTC_CR_PROCRST /* Processor Reset */ - | AT91_RSTC_CR_PERRST /* Peripheral Reset */ -#ifdef CONFIG_AT91RESET_EXTRST - | AT91_RSTC_CR_EXTRST /* External Reset (assert nRST pin) */ -#endif - , &rstc->cr); - /* never reached */ - do { } while (1); -} diff --git a/arch/arm/cpu/armv7/at91/sama5d3_devices.c b/arch/arm/cpu/armv7/at91/sama5d3_devices.c deleted file mode 100644 index 78ecfc882a..0000000000 --- a/arch/arm/cpu/armv7/at91/sama5d3_devices.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * Copyright (C) 2012-2013 Atmel Corporation - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/arch/sama5d3.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/clk.h> -#include <asm/arch/gpio.h> -#include <asm/io.h> - -unsigned int has_emac() -{ - return cpu_is_sama5d31() || cpu_is_sama5d35() || cpu_is_sama5d36(); -} - -unsigned int has_gmac() -{ - return !cpu_is_sama5d31(); -} - -unsigned int has_lcdc() -{ - return !cpu_is_sama5d35(); -} - -char *get_cpu_name() -{ - unsigned int extension_id = get_extension_chip_id(); - - if (cpu_is_sama5d3()) - switch (extension_id) { - case ARCH_EXID_SAMA5D31: - return "SAMA5D31"; - case ARCH_EXID_SAMA5D33: - return "SAMA5D33"; - case ARCH_EXID_SAMA5D34: - return "SAMA5D34"; - case ARCH_EXID_SAMA5D35: - return "SAMA5D35"; - case ARCH_EXID_SAMA5D36: - return "SAMA5D36"; - default: - return "Unknown CPU type"; - } - else - return "Unknown CPU type"; -} - -void at91_serial0_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTD, 18, 1); /* TXD0 */ - at91_set_a_periph(AT91_PIO_PORTD, 17, 0); /* RXD0 */ - - /* Enable clock */ - at91_periph_clk_enable(ATMEL_ID_USART0); -} - -void at91_serial1_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTB, 29, 1); /* TXD1 */ - at91_set_a_periph(AT91_PIO_PORTB, 28, 0); /* RXD1 */ - - /* Enable clock */ - at91_periph_clk_enable(ATMEL_ID_USART1); -} - -void at91_serial2_hw_init(void) -{ - at91_set_b_periph(AT91_PIO_PORTE, 26, 1); /* TXD2 */ - at91_set_b_periph(AT91_PIO_PORTE, 25, 0); /* RXD2 */ - - /* Enable clock */ - at91_periph_clk_enable(ATMEL_ID_USART2); -} - -void at91_seriald_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTB, 31, 1); /* DTXD */ - at91_set_a_periph(AT91_PIO_PORTB, 30, 0); /* DRXD */ - - /* Enable clock */ - at91_periph_clk_enable(ATMEL_ID_DBGU); -} - -#if defined(CONFIG_ATMEL_SPI) -void at91_spi0_hw_init(unsigned long cs_mask) -{ - at91_set_a_periph(AT91_PIO_PORTD, 10, 0); /* SPI0_MISO */ - at91_set_a_periph(AT91_PIO_PORTD, 11, 0); /* SPI0_MOSI */ - at91_set_a_periph(AT91_PIO_PORTD, 12, 0); /* SPI0_SPCK */ - - if (cs_mask & (1 << 0)) - at91_set_pio_output(AT91_PIO_PORTD, 13, 1); - if (cs_mask & (1 << 1)) - at91_set_pio_output(AT91_PIO_PORTD, 14, 1); - if (cs_mask & (1 << 2)) - at91_set_pio_output(AT91_PIO_PORTD, 15, 1); - if (cs_mask & (1 << 3)) - at91_set_pio_output(AT91_PIO_PORTD, 16, 1); - - /* Enable clock */ - at91_periph_clk_enable(ATMEL_ID_SPI0); -} -#endif - -#ifdef CONFIG_GENERIC_ATMEL_MCI -void at91_mci_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTD, 0, 0); /* MCI0 CMD */ - at91_set_a_periph(AT91_PIO_PORTD, 1, 0); /* MCI0 DA0 */ - at91_set_a_periph(AT91_PIO_PORTD, 2, 0); /* MCI0 DA1 */ - at91_set_a_periph(AT91_PIO_PORTD, 3, 0); /* MCI0 DA2 */ - at91_set_a_periph(AT91_PIO_PORTD, 4, 0); /* MCI0 DA3 */ -#ifdef CONFIG_ATMEL_MCI_8BIT - at91_set_a_periph(AT91_PIO_PORTD, 5, 0); /* MCI0 DA4 */ - at91_set_a_periph(AT91_PIO_PORTD, 6, 0); /* MCI0 DA5 */ - at91_set_a_periph(AT91_PIO_PORTD, 7, 0); /* MCI0 DA6 */ - at91_set_a_periph(AT91_PIO_PORTD, 8, 0); /* MCI0 DA7 */ -#endif - at91_set_a_periph(AT91_PIO_PORTD, 9, 0); /* MCI0 CLK */ - - /* Enable clock */ - at91_periph_clk_enable(ATMEL_ID_MCI0); -} -#endif - -#ifdef CONFIG_MACB -void at91_macb_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* ETXCK_EREFCK */ - at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* ERXDV */ - at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* ERX0 */ - at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* ERX1 */ - at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* ERXER */ - at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* ETXEN */ - at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* ETX0 */ - at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* ETX1 */ - at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* EMDIO */ - at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* EMDC */ - - /* Enable clock */ - at91_periph_clk_enable(ATMEL_ID_EMAC); -} - -void at91_gmac_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTB, 0, 0); /* GTX0 */ - at91_set_a_periph(AT91_PIO_PORTB, 1, 0); /* GTX1 */ - at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* GTX2 */ - at91_set_a_periph(AT91_PIO_PORTB, 3, 0); /* GTX3 */ - at91_set_a_periph(AT91_PIO_PORTB, 4, 0); /* GRX0 */ - at91_set_a_periph(AT91_PIO_PORTB, 5, 0); /* GRX1 */ - at91_set_a_periph(AT91_PIO_PORTB, 6, 0); /* GRX2 */ - at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* GRX3 */ - at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* GTXCK */ - at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* GTXEN */ - - at91_set_a_periph(AT91_PIO_PORTB, 11, 0); /* GRXCK */ - at91_set_a_periph(AT91_PIO_PORTB, 13, 0); /* GRXER */ - - at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* GMDC */ - at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* GMDIO */ - at91_set_a_periph(AT91_PIO_PORTB, 18, 0); /* G125CK */ - - /* Enable clock */ - at91_periph_clk_enable(ATMEL_ID_GMAC); -} -#endif - -#ifdef CONFIG_LCD -void at91_lcd_hw_init(void) -{ - at91_set_a_periph(AT91_PIO_PORTA, 24, 0); /* LCDPWM */ - at91_set_a_periph(AT91_PIO_PORTA, 25, 0); /* LCDDISP */ - at91_set_a_periph(AT91_PIO_PORTA, 26, 0); /* LCDVSYNC */ - at91_set_a_periph(AT91_PIO_PORTA, 27, 0); /* LCDHSYNC */ - at91_set_a_periph(AT91_PIO_PORTA, 28, 0); /* LCDDOTCK */ - at91_set_a_periph(AT91_PIO_PORTA, 29, 0); /* LCDDEN */ - - /* The lower 16-bit of LCD only available on Port A */ - at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* LCDD0 */ - at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* LCDD1 */ - at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* LCDD2 */ - at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* LCDD3 */ - at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* LCDD4 */ - at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* LCDD5 */ - at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* LCDD6 */ - at91_set_a_periph(AT91_PIO_PORTA, 7, 0); /* LCDD7 */ - at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* LCDD8 */ - at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* LCDD9 */ - at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* LCDD10 */ - at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* LCDD11 */ - at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* LCDD12 */ - at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* LCDD13 */ - at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* LCDD14 */ - at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* LCDD15 */ - - /* Enable clock */ - at91_periph_clk_enable(ATMEL_ID_LCDC); -} -#endif - -#ifdef CONFIG_USB_GADGET_ATMEL_USBA -void at91_udp_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - /* Enable UPLL clock */ - writel(AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr); - /* Enable UDPHS clock */ - at91_periph_clk_enable(ATMEL_ID_UDPHS); -} -#endif diff --git a/arch/arm/cpu/armv7/at91/sama5d4_devices.c b/arch/arm/cpu/armv7/at91/sama5d4_devices.c deleted file mode 100644 index ef39cb7e08..0000000000 --- a/arch/arm/cpu/armv7/at91/sama5d4_devices.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Copyright (C) 2014 Atmel - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/clk.h> -#include <asm/arch/sama5_matrix.h> -#include <asm/arch/sama5_sfr.h> -#include <asm/arch/sama5d4.h> - -char *get_cpu_name() -{ - unsigned int extension_id = get_extension_chip_id(); - - if (cpu_is_sama5d4()) - switch (extension_id) { - case ARCH_EXID_SAMA5D41: - return "SAMA5D41"; - case ARCH_EXID_SAMA5D42: - return "SAMA5D42"; - case ARCH_EXID_SAMA5D43: - return "SAMA5D43"; - case ARCH_EXID_SAMA5D44: - return "SAMA5D44"; - default: - return "Unknown CPU type"; - } - else - return "Unknown CPU type"; -} - -#ifdef CONFIG_USB_GADGET_ATMEL_USBA -void at91_udp_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - /* Enable UPLL clock */ - writel(AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr); - /* Enable UDPHS clock */ - at91_periph_clk_enable(ATMEL_ID_UDPHS); -} -#endif - -#ifdef CONFIG_SPL_BUILD -void matrix_init(void) -{ - struct atmel_matrix *h64mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX0; - struct atmel_matrix *h32mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX1; - int i; - - /* Disable the write protect */ - writel(ATMEL_MATRIX_WPMR_WPKEY & ~ATMEL_MATRIX_WPMR_WPEN, &h64mx->wpmr); - writel(ATMEL_MATRIX_WPMR_WPKEY & ~ATMEL_MATRIX_WPMR_WPEN, &h32mx->wpmr); - - /* DDR port 1 ~ poart 7, slave number is: 4 ~ 10 */ - for (i = 4; i <= 10; i++) { - writel(0x000f0f0f, &h64mx->ssr[i]); - writel(0x0000ffff, &h64mx->sassr[i]); - writel(0x0000000f, &h64mx->srtsr[i]); - } - - /* CS3 */ - writel(0x00c0c0c0, &h32mx->ssr[3]); - writel(0xff000000, &h32mx->sassr[3]); - writel(0xff000000, &h32mx->srtsr[3]); - - /* NFC SRAM */ - writel(0x00010101, &h32mx->ssr[4]); - writel(0x00000001, &h32mx->sassr[4]); - writel(0x00000001, &h32mx->srtsr[4]); - - /* Enable the write protect */ - writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h64mx->wpmr); - writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h32mx->wpmr); -} - -void redirect_int_from_saic_to_aic(void) -{ - struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR; - u32 key32; - - if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) { - key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY; - writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir); - } -} -#endif diff --git a/arch/arm/cpu/armv7/at91/timer.c b/arch/arm/cpu/armv7/at91/timer.c deleted file mode 100644 index 19bf80ba7e..0000000000 --- a/arch/arm/cpu/armv7/at91/timer.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * (C) Copyright 2013 - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_pit.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/clk.h> -#include <div64.h> - -#if !defined(CONFIG_AT91FAMILY) -# error You need to define CONFIG_AT91FAMILY in your board config! -#endif - -DECLARE_GLOBAL_DATA_PTR; - -/* - * We're using the SAMA5D3x PITC in 32 bit mode, by - * setting the 20 bit counter period to its maximum (0xfffff). - * (See the relevant data sheets to understand that this really works) - * - * We do also mimic the typical powerpc way of incrementing - * two 32 bit registers called tbl and tbu. - * - * Those registers increment at 1/16 the main clock rate. - */ - -#define TIMER_LOAD_VAL 0xfffff - -static inline unsigned long long tick_to_time(unsigned long long tick) -{ - tick *= CONFIG_SYS_HZ; - do_div(tick, gd->arch.timer_rate_hz); - - return tick; -} - -static inline unsigned long long usec_to_tick(unsigned long long usec) -{ - usec *= gd->arch.timer_rate_hz; - do_div(usec, 1000000); - - return usec; -} - -/* - * Use the PITC in full 32 bit incrementing mode - */ -int timer_init(void) -{ - at91_pit_t *pit = (at91_pit_t *)ATMEL_BASE_PIT; - - /* Enable PITC Clock */ - at91_periph_clk_enable(ATMEL_ID_PIT); - - /* Enable PITC */ - writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr); - - gd->arch.timer_rate_hz = get_pit_clk_rate() / 16; - - gd->arch.tbu = 0; - gd->arch.tbl = 0; - - return 0; -} - -/* - * Get the current 64 bit timer tick count - */ -unsigned long long get_ticks(void) -{ - at91_pit_t *pit = (at91_pit_t *)ATMEL_BASE_PIT; - - ulong now = readl(&pit->piir); - - /* increment tbu if tbl has rolled over */ - if (now < gd->arch.tbl) - gd->arch.tbu++; - gd->arch.tbl = now; - return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl; -} - -void __udelay(unsigned long usec) -{ - unsigned long long start; - ulong tmo; - - start = get_ticks(); /* get current timestamp */ - tmo = usec_to_tick(usec); /* convert usecs to ticks */ - while ((get_ticks() - start) < tmo) - ; /* loop till time has passed */ -} - -/* - * get_timer(base) can be used to check for timeouts or - * to measure elasped time relative to an event: - * - * ulong start_time = get_timer(0) sets start_time to the current - * time value. - * get_timer(start_time) returns the time elapsed since then. - * - * The time is used in CONFIG_SYS_HZ units! - */ -ulong get_timer(ulong base) -{ - return tick_to_time(get_ticks()) - base; -} - -/* - * Return the number of timer ticks per second. - */ -ulong get_tbclk(void) -{ - return gd->arch.timer_rate_hz; -} diff --git a/arch/arm/cpu/at91-common/Makefile b/arch/arm/cpu/at91-common/Makefile deleted file mode 100644 index 03614d4140..0000000000 --- a/arch/arm/cpu/at91-common/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# (C) Copyright 2000-2008 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2013 Atmel Corporation -# Bo Shen <voice.shen@atmel.com> -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-$(CONFIG_AT91_WANTS_COMMON_PHY) += phy.o -ifneq ($(CONFIG_SPL_BUILD),) -obj-$(CONFIG_AT91SAM9G20) += sdram.o spl_at91.o -obj-$(CONFIG_AT91SAM9M10G45) += mpddrc.o spl_at91.o -obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o -obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o -obj-y += spl.o -endif diff --git a/arch/arm/cpu/at91-common/mpddrc.c b/arch/arm/cpu/at91-common/mpddrc.c deleted file mode 100644 index beec13db8c..0000000000 --- a/arch/arm/cpu/at91-common/mpddrc.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * Copyright (C) 2013 Atmel Corporation - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/atmel_mpddrc.h> - -static inline void atmel_mpddr_op(int mode, u32 ram_address) -{ - struct atmel_mpddr *mpddr = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC; - - writel(mode, &mpddr->mr); - writel(0, ram_address); -} - -static int ddr2_decodtype_is_seq(u32 cr) -{ -#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) - if (cr & ATMEL_MPDDRC_CR_DECOD_INTERLEAVED) - return 0; -#endif - return 1; -} - -int ddr2_init(const unsigned int ram_address, - const struct atmel_mpddr *mpddr_value) -{ - struct atmel_mpddr *mpddr = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC; - u32 ba_off, cr; - - /* Compute bank offset according to NC in configuration register */ - ba_off = (mpddr_value->cr & ATMEL_MPDDRC_CR_NC_MASK) + 9; - if (ddr2_decodtype_is_seq(mpddr_value->cr)) - ba_off += ((mpddr_value->cr & ATMEL_MPDDRC_CR_NR_MASK) >> 2) + 11; - - ba_off += (mpddr_value->md & ATMEL_MPDDRC_MD_DBW_MASK) ? 1 : 2; - - /* Program the memory device type into the memory device register */ - writel(mpddr_value->md, &mpddr->md); - - /* Program the configuration register */ - writel(mpddr_value->cr, &mpddr->cr); - - /* Program the timing register */ - writel(mpddr_value->tpr0, &mpddr->tpr0); - writel(mpddr_value->tpr1, &mpddr->tpr1); - writel(mpddr_value->tpr2, &mpddr->tpr2); - - /* Issue a NOP command */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_NOP_CMD, ram_address); - - /* A 200 us is provided to precede any signal toggle */ - udelay(200); - - /* Issue a NOP command */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_NOP_CMD, ram_address); - - /* Issue an all banks precharge command */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_PRCGALL_CMD, ram_address); - - /* Issue an extended mode register set(EMRS2) to choose operation */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_EXT_LMR_CMD, - ram_address + (0x2 << ba_off)); - - /* Issue an extended mode register set(EMRS3) to set EMSR to 0 */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_EXT_LMR_CMD, - ram_address + (0x3 << ba_off)); - - /* - * Issue an extended mode register set(EMRS1) to enable DLL and - * program D.I.C (output driver impedance control) - */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_EXT_LMR_CMD, - ram_address + (0x1 << ba_off)); - - /* Enable DLL reset */ - cr = readl(&mpddr->cr); - writel(cr | ATMEL_MPDDRC_CR_DLL_RESET_ENABLED, &mpddr->cr); - - /* A mode register set(MRS) cycle is issued to reset DLL */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_LMR_CMD, ram_address); - - /* Issue an all banks precharge command */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_PRCGALL_CMD, ram_address); - - /* Two auto-refresh (CBR) cycles are provided */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_RFSH_CMD, ram_address); - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_RFSH_CMD, ram_address); - - /* Disable DLL reset */ - cr = readl(&mpddr->cr); - writel(cr & (~ATMEL_MPDDRC_CR_DLL_RESET_ENABLED), &mpddr->cr); - - /* A mode register set (MRS) cycle is issued to disable DLL reset */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_LMR_CMD, ram_address); - - /* Set OCD calibration in default state */ - cr = readl(&mpddr->cr); - writel(cr | ATMEL_MPDDRC_CR_OCD_DEFAULT, &mpddr->cr); - - /* - * An extended mode register set (EMRS1) cycle is issued - * to OCD default value - */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_EXT_LMR_CMD, - ram_address + (0x1 << ba_off)); - - /* OCD calibration mode exit */ - cr = readl(&mpddr->cr); - writel(cr & (~ATMEL_MPDDRC_CR_OCD_DEFAULT), &mpddr->cr); - - /* - * An extended mode register set (EMRS1) cycle is issued - * to enable OCD exit - */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_EXT_LMR_CMD, - ram_address + (0x1 << ba_off)); - - /* A nornal mode command is provided */ - atmel_mpddr_op(ATMEL_MPDDRC_MR_MODE_NORMAL_CMD, ram_address); - - /* Perform a write access to any DDR2-SDRAM address */ - writel(0, ram_address); - - /* Write the refresh rate */ - writel(mpddr_value->rtr, &mpddr->rtr); - - return 0; -} diff --git a/arch/arm/cpu/at91-common/phy.c b/arch/arm/cpu/at91-common/phy.c deleted file mode 100644 index 2cba7169e4..0000000000 --- a/arch/arm/cpu/at91-common/phy.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * (C) Copyright 2012 - * Markus Hubig <mhubig@imko.de> - * IMKO GmbH <www.imko.de> - * - * Copyright (C) 2013 DENX Software Engineering, hs@denx.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <linux/sizes.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_rstc.h> -#include <watchdog.h> - -void at91_phy_reset(void) -{ - unsigned long erstl; - unsigned long start = get_timer(0); - unsigned long const timeout = 1000; /* 1000ms */ - at91_rstc_t *rstc = (at91_rstc_t *)ATMEL_BASE_RSTC; - - erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK; - - /* - * Need to reset PHY -> 500ms reset - * Reset PHY by pulling the NRST line for 500ms to low. To do so - * disable user reset for low level on NRST pin and poll the NRST - * level in reset status register. - */ - writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(0x0D) | - AT91_RSTC_MR_URSTEN, &rstc->mr); - - writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr); - - /* Wait for end of hardware reset */ - while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL)) { - /* avoid shutdown by watchdog */ - WATCHDOG_RESET(); - mdelay(10); - - /* timeout for not getting stuck in an endless loop */ - if (get_timer(start) >= timeout) { - puts("*** ERROR: Timeout waiting for PHY reset!\n"); - break; - } - }; - - /* Restore NRST value */ - writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN, &rstc->mr); -} diff --git a/arch/arm/cpu/at91-common/sdram.c b/arch/arm/cpu/at91-common/sdram.c deleted file mode 100644 index 5758b066e4..0000000000 --- a/arch/arm/cpu/at91-common/sdram.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * (C) Copyright 2014 - * Heiko Schocher, DENX Software Engineering, hs@denx.de. - * - * Based on: - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91sam9_sdramc.h> -#include <asm/arch/gpio.h> - -int sdramc_initialize(unsigned int sdram_address, const struct sdramc_reg *p) -{ - struct sdramc_reg *reg = (struct sdramc_reg *)ATMEL_BASE_SDRAMC; - unsigned int i; - - /* SDRAM feature must be in the configuration register */ - writel(p->cr, ®->cr); - - /* The SDRAM memory type must be set in the Memory Device Register */ - writel(p->mdr, ®->mdr); - - /* - * The minimum pause of 200 us is provided to precede any single - * toggle - */ - for (i = 0; i < 1000; i++) - ; - - /* A NOP command is issued to the SDRAM devices */ - writel(AT91_SDRAMC_MODE_NOP, ®->mr); - writel(0x00000000, sdram_address); - - /* An All Banks Precharge command is issued to the SDRAM devices */ - writel(AT91_SDRAMC_MODE_PRECHARGE, ®->mr); - writel(0x00000000, sdram_address); - - for (i = 0; i < 10000; i++) - ; - - /* Eight auto-refresh cycles are provided */ - for (i = 0; i < 8; i++) { - writel(AT91_SDRAMC_MODE_REFRESH, ®->mr); - writel(0x00000001 + i, sdram_address + 4 + 4 * i); - } - - /* - * A Mode Register set (MRS) cyscle is issued to program the - * SDRAM parameters(TCSR, PASR, DS) - */ - writel(AT91_SDRAMC_MODE_LMR, ®->mr); - writel(0xcafedede, sdram_address + 0x24); - - /* - * The application must go into Normal Mode, setting Mode - * to 0 in the Mode Register and perform a write access at - * any location in the SDRAM. - */ - writel(AT91_SDRAMC_MODE_NORMAL, ®->mr); - writel(0x00000000, sdram_address); /* Perform Normal mode */ - - /* - * Write the refresh rate into the count field in the SDRAMC - * Refresh Timer Rgister. - */ - writel(p->tr, ®->tr); - - return 0; -} diff --git a/arch/arm/cpu/at91-common/spl.c b/arch/arm/cpu/at91-common/spl.c deleted file mode 100644 index aaa5eec2e6..0000000000 --- a/arch/arm/cpu/at91-common/spl.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright (C) 2013 Atmel Corporation - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_wdt.h> -#include <asm/arch/clk.h> -#include <spl.h> - -#if defined(CONFIG_AT91SAM9_WATCHDOG) -void at91_disable_wdt(void) { } -#else -void at91_disable_wdt(void) -{ - struct at91_wdt *wdt = (struct at91_wdt *)ATMEL_BASE_WDT; - - writel(AT91_WDT_MR_WDDIS, &wdt->mr); -} -#endif - -u32 spl_boot_device(void) -{ -#ifdef CONFIG_SYS_USE_MMC - return BOOT_DEVICE_MMC1; -#elif CONFIG_SYS_USE_NANDFLASH - return BOOT_DEVICE_NAND; -#elif CONFIG_SYS_USE_SERIALFLASH - return BOOT_DEVICE_SPI; -#endif - return BOOT_DEVICE_NONE; -} - -u32 spl_boot_mode(void) -{ - switch (spl_boot_device()) { -#ifdef CONFIG_SYS_USE_MMC - case BOOT_DEVICE_MMC1: - return MMCSD_MODE_FS; - break; -#endif - case BOOT_DEVICE_NONE: - default: - hang(); - } -} diff --git a/arch/arm/cpu/at91-common/spl_at91.c b/arch/arm/cpu/at91-common/spl_at91.c deleted file mode 100644 index 89f588be45..0000000000 --- a/arch/arm/cpu/at91-common/spl_at91.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * (C) Copyright 2014 DENX Software Engineering - * Heiko Schocher <hs@denx.de> - * - * Based on: - * Copyright (C) 2013 Atmel Corporation - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91sam9_matrix.h> -#include <asm/arch/at91_pit.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_rstc.h> -#include <asm/arch/at91_wdt.h> -#include <asm/arch/clk.h> -#include <spl.h> - -DECLARE_GLOBAL_DATA_PTR; - -static void enable_ext_reset(void) -{ - struct at91_rstc *rstc = (struct at91_rstc *)ATMEL_BASE_RSTC; - - writel(AT91_RSTC_KEY | AT91_RSTC_MR_URSTEN, &rstc->mr); -} - -void lowlevel_clock_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - if (!(readl(&pmc->sr) & AT91_PMC_MOSCS)) { - /* Enable Main Oscillator */ - writel(AT91_PMC_MOSCS | (0x40 << 8), &pmc->mor); - - /* Wait until Main Oscillator is stable */ - while (!(readl(&pmc->sr) & AT91_PMC_MOSCS)) - ; - } - - /* After stabilization, switch to Main Oscillator */ - if ((readl(&pmc->mckr) & AT91_PMC_CSS) == AT91_PMC_CSS_SLOW) { - unsigned long tmp; - - tmp = readl(&pmc->mckr); - tmp &= ~AT91_PMC_CSS; - tmp |= AT91_PMC_CSS_MAIN; - writel(tmp, &pmc->mckr); - while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) - ; - - tmp &= ~AT91_PMC_PRES; - tmp |= AT91_PMC_PRES_1; - writel(tmp, &pmc->mckr); - while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) - ; - } - - return; -} - -void __weak matrix_init(void) -{ -} - -void __weak at91_spl_board_init(void) -{ -} - -void spl_board_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - lowlevel_clock_init(); - at91_disable_wdt(); - - /* - * At this stage the main oscillator is supposed to be enabled - * PCK = MCK = MOSC - */ - writel(0x00, &pmc->pllicpr); - - /* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */ - at91_plla_init(CONFIG_SYS_AT91_PLLA); - - /* PCK = PLLA = 2 * MCK */ - at91_mck_init(CONFIG_SYS_MCKR); - - /* Switch MCK on PLLA output */ - at91_mck_init(CONFIG_SYS_MCKR_CSS); - -#if defined(CONFIG_SYS_AT91_PLLB) - /* Configure PLLB */ - at91_pllb_init(CONFIG_SYS_AT91_PLLB); -#endif - - /* Enable External Reset */ - enable_ext_reset(); - - /* Initialize matrix */ - matrix_init(); - - gd->arch.mck_rate_hz = CONFIG_SYS_MASTER_CLOCK; - /* - * init timer long enough for using in spl. - */ - timer_init(); - - /* enable clocks for all PIOs */ - at91_periph_clk_enable(ATMEL_ID_PIOA); - at91_periph_clk_enable(ATMEL_ID_PIOB); - at91_periph_clk_enable(ATMEL_ID_PIOC); - /* init console */ - at91_seriald_hw_init(); - preloader_console_init(); - - mem_init(); - - at91_spl_board_init(); -} diff --git a/arch/arm/cpu/at91-common/spl_atmel.c b/arch/arm/cpu/at91-common/spl_atmel.c deleted file mode 100644 index 9cc1111234..0000000000 --- a/arch/arm/cpu/at91-common/spl_atmel.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright (C) 2013 Atmel Corporation - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/at91_common.h> -#include <asm/arch/at91_pit.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_rstc.h> -#include <asm/arch/at91_wdt.h> -#include <asm/arch/clk.h> -#include <spl.h> - -DECLARE_GLOBAL_DATA_PTR; - -static void switch_to_main_crystal_osc(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - u32 tmp; - - tmp = readl(&pmc->mor); - tmp &= ~AT91_PMC_MOR_OSCOUNT(0xff); - tmp &= ~AT91_PMC_MOR_KEY(0xff); - tmp |= AT91_PMC_MOR_MOSCEN; - tmp |= AT91_PMC_MOR_OSCOUNT(8); - tmp |= AT91_PMC_MOR_KEY(0x37); - writel(tmp, &pmc->mor); - while (!(readl(&pmc->sr) & AT91_PMC_IXR_MOSCS)) - ; - - tmp = readl(&pmc->mor); - tmp &= ~AT91_PMC_MOR_OSCBYPASS; - tmp &= ~AT91_PMC_MOR_KEY(0xff); - tmp |= AT91_PMC_MOR_KEY(0x37); - writel(tmp, &pmc->mor); - - tmp = readl(&pmc->mor); - tmp |= AT91_PMC_MOR_MOSCSEL; - tmp &= ~AT91_PMC_MOR_KEY(0xff); - tmp |= AT91_PMC_MOR_KEY(0x37); - writel(tmp, &pmc->mor); - - while (!(readl(&pmc->sr) & AT91_PMC_IXR_MOSCSELS)) - ; - - /* Wait until MAINRDY field is set to make sure main clock is stable */ - while (!(readl(&pmc->mcfr) & AT91_PMC_MAINRDY)) - ; - -#ifndef CONFIG_SAMA5D4 - tmp = readl(&pmc->mor); - tmp &= ~AT91_PMC_MOR_MOSCRCEN; - tmp &= ~AT91_PMC_MOR_KEY(0xff); - tmp |= AT91_PMC_MOR_KEY(0x37); - writel(tmp, &pmc->mor); -#endif -} - -__weak void matrix_init(void) -{ - /* This only be used for sama5d4 soc now */ -} - -__weak void redirect_int_from_saic_to_aic(void) -{ - /* This only be used for sama5d4 soc now */ -} - -void s_init(void) -{ - switch_to_main_crystal_osc(); - - /* disable watchdog */ - at91_disable_wdt(); - - /* PMC configuration */ - at91_pmc_init(); - - at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK); - - matrix_init(); - - redirect_int_from_saic_to_aic(); - - timer_init(); - - board_early_init_f(); - - preloader_console_init(); - - mem_init(); -} diff --git a/arch/arm/cpu/at91-common/u-boot-spl.lds b/arch/arm/cpu/at91-common/u-boot-spl.lds deleted file mode 100644 index eccca43a42..0000000000 --- a/arch/arm/cpu/at91-common/u-boot-spl.lds +++ /dev/null @@ -1,55 +0,0 @@ -/* - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> - * - * (C) Copyright 2010 - * Texas Instruments, <www.ti.com> - * Aneesh V <aneesh@ti.com> - * - * (C) 2013 Atmel Corporation - * Bo Shen <voice.shen@atmel.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE, \ - LENGTH = CONFIG_SPL_MAX_SIZE } -MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ - LENGTH = CONFIG_SPL_BSS_MAX_SIZE } - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - .text : - { - __start = .; - *(.vectors) - arch/arm/cpu/armv7/start.o (.text*) - *(.text*) - } >.sram - - . = ALIGN(4); - .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram - - . = ALIGN(4); - .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram - - . = ALIGN(4); - __image_copy_end = .; - - .end : - { - *(.__end) - } >.sram - - .bss : - { - . = ALIGN(4); - __bss_start = .; - *(.bss*) - . = ALIGN(4); - __bss_end = .; - } >.sdram -} |
