diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/davinci')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/Makefile | 5 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c | 428 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c | 291 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c | 171 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/dm365_lowlevel.c | 73 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/dp83848.c | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/et1011c.c | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/ksz8873.c | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/lxt972.c | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/misc.c | 150 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/pinmux.c | 105 |
11 files changed, 755 insertions, 472 deletions
diff --git a/arch/arm/cpu/arm926ejs/davinci/Makefile b/arch/arm/cpu/arm926ejs/davinci/Makefile index 98c7e55c40..5ae89df5db 100644 --- a/arch/arm/cpu/arm926ejs/davinci/Makefile +++ b/arch/arm/cpu/arm926ejs/davinci/Makefile @@ -27,12 +27,13 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS-y += cpu.o timer.o psc.o -COBJS-$(CONFIG_AM18018_LOWLEVEL) += am1808_lowlevel.o +COBJS-y += cpu.o misc.o timer.o psc.o pinmux.o +COBJS-$(CONFIG_DA850_LOWLEVEL) += da850_lowlevel.o COBJS-$(CONFIG_SOC_DM355) += dm355.o COBJS-$(CONFIG_SOC_DM365) += dm365.o COBJS-$(CONFIG_SOC_DM644X) += dm644x.o COBJS-$(CONFIG_SOC_DM646X) += dm646x.o +COBJS-$(CONFIG_SOC_DA850) += da850_pinmux.o COBJS-$(CONFIG_DRIVER_TI_EMAC) += lxt972.o dp83848.o et1011c.o ksz8873.o ifdef CONFIG_SPL_BUILD diff --git a/arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c deleted file mode 100644 index 1ea4a9ffce..0000000000 --- a/arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c +++ /dev/null @@ -1,428 +0,0 @@ -/* - * SoC-specific lowlevel code for AM1808 and similar chips - * - * Copyright (C) 2011 - * Heiko Schocher, DENX Software Engineering, hs@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#include <common.h> -#include <nand.h> -#include <ns16550.h> -#include <post.h> -#include <asm/arch/am1808_lowlevel.h> -#include <asm/arch/hardware.h> -#include <asm/arch/ddr2_defs.h> -#include <asm/arch/emif_defs.h> - -void am1808_waitloop(unsigned long loopcnt) -{ - unsigned long i; - - for (i = 0; i < loopcnt; i++) - asm(" NOP"); -} - -int am1808_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult) -{ - if (reg == davinci_pllc0_regs) - /* Unlock PLL registers. */ - clrbits_le32(&davinci_syscfg_regs->cfgchip0, 0x00000010); - - /* - * Set PLLENSRC '0',bit 5, PLL Enable(PLLEN) selection is controlled - * through MMR - */ - clrbits_le32(®->pllctl, 0x00000020); - /* PLLCTL.EXTCLKSRC bit 9 should be left at 0 for Freon */ - clrbits_le32(®->pllctl, 0x00000200); - - /* Set PLLEN=0 => PLL BYPASS MODE */ - clrbits_le32(®->pllctl, 0x00000001); - - am1808_waitloop(150); - - if (reg == davinci_pllc0_regs) { - /* - * Select the Clock Mode bit 8 as External Clock or On Chip - * Oscilator - */ - dv_maskbits(®->pllctl, 0xFFFFFEFF); - setbits_le32(®->pllctl, (CONFIG_SYS_DV_CLKMODE << 8)); - } - - /* Clear PLLRST bit to reset the PLL */ - clrbits_le32(®->pllctl, 0x00000008); - - /* Disable the PLL output */ - setbits_le32(®->pllctl, 0x00000010); - - /* PLL initialization sequence */ - /* - * Power up the PLL- PWRDN bit set to 0 to bring the PLL out of - * power down bit - */ - clrbits_le32(®->pllctl, 0x00000002); - - /* Enable the PLL from Disable Mode PLLDIS bit to 0 */ - clrbits_le32(®->pllctl, 0x00000010); - - /* Program the required multiplier value in PLLM */ - writel(pllmult, ®->pllm); - - /* program the postdiv */ - if (reg == davinci_pllc0_regs) - writel((0x8000 | CONFIG_SYS_AM1808_PLL0_POSTDIV), - ®->postdiv); - else - writel((0x8000 | CONFIG_SYS_AM1808_PLL1_POSTDIV), - ®->postdiv); - - /* - * Check for the GOSTAT bit in PLLSTAT to clear to 0 to indicate that - * no GO operation is currently in progress - */ - while ((readl(®->pllstat) & 0x1) == 1) - ; - - if (reg == davinci_pllc0_regs) { - writel(CONFIG_SYS_AM1808_PLL0_PLLDIV1, ®->plldiv1); - writel(CONFIG_SYS_AM1808_PLL0_PLLDIV2, ®->plldiv2); - writel(CONFIG_SYS_AM1808_PLL0_PLLDIV3, ®->plldiv3); - writel(CONFIG_SYS_AM1808_PLL0_PLLDIV4, ®->plldiv4); - writel(CONFIG_SYS_AM1808_PLL0_PLLDIV5, ®->plldiv5); - writel(CONFIG_SYS_AM1808_PLL0_PLLDIV6, ®->plldiv6); - writel(CONFIG_SYS_AM1808_PLL0_PLLDIV7, ®->plldiv7); - } else { - writel(CONFIG_SYS_AM1808_PLL1_PLLDIV1, ®->plldiv1); - writel(CONFIG_SYS_AM1808_PLL1_PLLDIV2, ®->plldiv2); - writel(CONFIG_SYS_AM1808_PLL1_PLLDIV3, ®->plldiv3); - } - - /* - * Set the GOSET bit in PLLCMD to 1 to initiate a new divider - * transition. - */ - setbits_le32(®->pllcmd, 0x01); - - /* - * Wait for the GOSTAT bit in PLLSTAT to clear to 0 - * (completion of phase alignment). - */ - while ((readl(®->pllstat) & 0x1) == 1) - ; - - /* Wait for PLL to reset properly. See PLL spec for PLL reset time */ - am1808_waitloop(200); - - /* Set the PLLRST bit in PLLCTL to 1 to bring the PLL out of reset */ - setbits_le32(®->pllctl, 0x00000008); - - /* Wait for PLL to lock. See PLL spec for PLL lock time */ - am1808_waitloop(2400); - - /* - * Set the PLLEN bit in PLLCTL to 1 to remove the PLL from bypass - * mode - */ - setbits_le32(®->pllctl, 0x00000001); - - - /* - * clear EMIFA and EMIFB clock source settings, let them - * run off SYSCLK - */ - if (reg == davinci_pllc0_regs) - dv_maskbits(&davinci_syscfg_regs->cfgchip3, 0xFFFFFFF8); - - return 0; -} - -void am1808_lpc_transition(unsigned char pscnum, unsigned char module, - unsigned char domain, unsigned char state) -{ - struct davinci_psc_regs *reg; - dv_reg_p mdstat, mdctl; - - if (pscnum == 0) { - reg = davinci_psc0_regs; - mdstat = ®->psc0.mdstat[module]; - mdctl = ®->psc0.mdctl[module]; - } else { - reg = davinci_psc1_regs; - mdstat = ®->psc1.mdstat[module]; - mdctl = ®->psc1.mdctl[module]; - } - - /* Wait for any outstanding transition to complete */ - while ((readl(®->ptstat) & (0x00000001 << domain))) - ; - - /* If we are already in that state, just return */ - if ((readl(mdstat) & 0x1F) == state) - return; - - /* Perform transition */ - writel((readl(mdctl) & 0xFFFFFFE0) | state, mdctl); - setbits_le32(®->ptcmd, (0x00000001 << domain)); - - /* Wait for transition to complete */ - while (readl(®->ptstat) & (0x00000001 << domain)) - ; - - /* Wait and verify the state */ - while ((readl(mdstat) & 0x1F) != state) - ; -} - -int am1808_ddr_setup(unsigned int freq) -{ - unsigned long tmp; - - /* Enable the Clock to DDR2/mDDR */ - am1808_lpc_transition(1, 6, 0, PSC_ENABLE); - - tmp = readl(&davinci_syscfg1_regs->vtpio_ctl); - if ((tmp & VTP_POWERDWN) == VTP_POWERDWN) { - /* Begin VTP Calibration */ - clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN); - clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK); - setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ); - clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ); - setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ); - - /* Polling READY bit to see when VTP calibration is done */ - tmp = readl(&davinci_syscfg1_regs->vtpio_ctl); - while ((tmp & VTP_READY) != VTP_READY) - tmp = readl(&davinci_syscfg1_regs->vtpio_ctl); - - setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK); - setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN); - - setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN); - } - - writel(CONFIG_SYS_AM1808_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr); - clrbits_le32(&davinci_syscfg1_regs->ddr_slew, - (1 << DDR_SLEW_CMOSEN_BIT)); - - setbits_le32(&dv_ddr2_regs_ctrl->sdbcr, DV_DDR_BOOTUNLOCK); - - writel((CONFIG_SYS_AM1808_DDR2_SDBCR & ~0xf0000000) | - (readl(&dv_ddr2_regs_ctrl->sdbcr) & 0xf0000000), /*rsv Bytes*/ - &dv_ddr2_regs_ctrl->sdbcr); - writel(CONFIG_SYS_AM1808_DDR2_SDBCR2, &dv_ddr2_regs_ctrl->sdbcr2); - - writel(CONFIG_SYS_AM1808_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr); - writel(CONFIG_SYS_AM1808_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2); - - clrbits_le32(&dv_ddr2_regs_ctrl->sdbcr, - (1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT)); - - /* - * LPMODEN and MCLKSTOPEN must be set! - * Without this bits set, PSC don;t switch states !! - */ - writel(CONFIG_SYS_AM1808_DDR2_SDRCR | - (1 << DV_DDR_SRCR_LPMODEN_SHIFT) | - (1 << DV_DDR_SRCR_MCLKSTOPEN_SHIFT), - &dv_ddr2_regs_ctrl->sdrcr); - - /* SyncReset the Clock to EMIF3A SDRAM */ - am1808_lpc_transition(1, 6, 0, PSC_SYNCRESET); - /* Enable the Clock to EMIF3A SDRAM */ - am1808_lpc_transition(1, 6, 0, PSC_ENABLE); - - /* disable self refresh */ - clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr, 0xc0000000); - writel(0x30, &dv_ddr2_regs_ctrl->pbbpr); - - return 0; -} - -static void am1808_set_mdctl(dv_reg_p mdctl) -{ - if ((readl(mdctl) & 0x1F) != PSC_ENABLE) - writel(((readl(mdctl) & 0xFFFFFFE0) | PSC_ENABLE), mdctl); -} - -void am1808_psc_init(void) -{ - struct davinci_psc_regs *reg; - int i; - - /* PSC 0 domain 0 init */ - reg = davinci_psc0_regs; - while ((readl(®->ptstat) & 0x00000001)) - ; - - for (i = 3; i <= 4 ; i++) - am1808_set_mdctl(®->psc0.mdctl[i]); - - for (i = 7; i <= 12 ; i++) - am1808_set_mdctl(®->psc0.mdctl[i]); - - /* Do Always-On Power Domain Transitions */ - setbits_le32(®->ptcmd, 0x00000001); - while (readl(®->ptstat) & 0x00000001) - ; - - /* PSC1, domain 1 init */ - reg = davinci_psc1_regs; - while ((readl(®->ptstat) & 0x00000001)) - ; - - am1808_set_mdctl(®->psc1.mdctl[3]); - am1808_set_mdctl(®->psc1.mdctl[6]); - - /* UART1 + UART2 */ - for (i = 12 ; i <= 13 ; i++) - am1808_set_mdctl(®->psc1.mdctl[i]); - - am1808_set_mdctl(®->psc1.mdctl[26]); - am1808_set_mdctl(®->psc1.mdctl[31]); - - /* Do Always-On Power Domain Transitions */ - setbits_le32(®->ptcmd, 0x00000001); - while (readl(®->ptstat) & 0x00000001) - ; -} - -void am1808_pinmux_ctl(unsigned long offset, unsigned long mask, - unsigned long value) -{ - clrbits_le32(&davinci_syscfg_regs->pinmux[offset], mask); - setbits_le32(&davinci_syscfg_regs->pinmux[offset], (mask & value)); -} - -__attribute__((weak)) -void board_gpio_init(void) -{ - return; -} - -#if defined(CONFIG_NAND_SPL) -void nand_boot(void) -{ - __attribute__((noreturn)) void (*uboot)(void); - - /* copy image from NOR to RAM */ - memcpy((void *)CONFIG_SYS_NAND_U_BOOT_DST, - (void *)CONFIG_SYS_NAND_U_BOOT_OFFS, - CONFIG_SYS_NAND_U_BOOT_SIZE); - - /* and jump to it ... */ - uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START; - (*uboot)(); -} -#endif - -#if defined(CONFIG_NAND_SPL) -void board_init_f(ulong bootflag) -#else -int arch_cpu_init(void) -#endif -{ - /* - * copied from arch/arm/cpu/arm926ejs/start.S - * - * flush v4 I/D caches - */ - asm("mov r0, #0"); - asm("mcr p15, 0, r0, c7, c7, 0"); /* flush v3/v4 cache */ - asm("mcr p15, 0, r0, c8, c7, 0"); /* flush v4 TLB */ - - /* - * disable MMU stuff and caches - */ - asm("mrc p15, 0, r0, c1, c0, 0"); - /* clear bits 13, 9:8 (--V- --RS) */ - asm("bic r0, r0, #0x00002300"); - /* clear bits 7, 2:0 (B--- -CAM) */ - asm("bic r0, r0, #0x00000087"); - /* set bit 2 (A) Align */ - asm("orr r0, r0, #0x00000002"); - /* set bit 12 (I) I-Cache */ - asm("orr r0, r0, #0x00001000"); - asm("mcr p15, 0, r0, c1, c0, 0"); - - /* Unlock kick registers */ - writel(0x83e70b13, &davinci_syscfg_regs->kick0); - writel(0x95a4f1e0, &davinci_syscfg_regs->kick1); - - dv_maskbits(&davinci_syscfg_regs->suspsrc, - ((1 << 27) | (1 << 22) | (1 << 20) | (1 << 5) | (1 << 16))); - - /* System PSC setup - enable all */ - am1808_psc_init(); - - /* Setup Pinmux */ - am1808_pinmux_ctl(0, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX0); - am1808_pinmux_ctl(1, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX1); - am1808_pinmux_ctl(2, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX2); - am1808_pinmux_ctl(3, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX3); - am1808_pinmux_ctl(4, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX4); - am1808_pinmux_ctl(5, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX5); - am1808_pinmux_ctl(6, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX6); - am1808_pinmux_ctl(7, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX7); - am1808_pinmux_ctl(8, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX8); - am1808_pinmux_ctl(9, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX9); - am1808_pinmux_ctl(10, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX10); - am1808_pinmux_ctl(11, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX11); - am1808_pinmux_ctl(12, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX12); - am1808_pinmux_ctl(13, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX13); - am1808_pinmux_ctl(14, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX14); - am1808_pinmux_ctl(15, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX15); - am1808_pinmux_ctl(16, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX16); - am1808_pinmux_ctl(17, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX17); - am1808_pinmux_ctl(18, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX18); - am1808_pinmux_ctl(19, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX19); - - /* PLL setup */ - am1808_pll_init(davinci_pllc0_regs, CONFIG_SYS_AM1808_PLL0_PLLM); - am1808_pll_init(davinci_pllc1_regs, CONFIG_SYS_AM1808_PLL1_PLLM); - - /* GPIO setup */ - board_gpio_init(); - - /* setup CSn config */ - writel(CONFIG_SYS_AM1808_CS2CFG, &davinci_emif_regs->ab1cr); - writel(CONFIG_SYS_AM1808_CS3CFG, &davinci_emif_regs->ab2cr); - - am1808_lpc_transition(1, 13, 0, PSC_ENABLE); - NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1), - CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); - - /* - * Fix Power and Emulation Management Register - * see sprufw3a.pdf page 37 Table 24 - */ - writel(readl((CONFIG_SYS_NS16550_COM1 + 0x30)) | 0x00006001, - (CONFIG_SYS_NS16550_COM1 + 0x30)); -#if defined(CONFIG_NAND_SPL) - puts("ddr init\n"); - am1808_ddr_setup(132); - - puts("boot u-boot ...\n"); - - nand_boot(); -#else - am1808_ddr_setup(132); - return 0; -#endif -} diff --git a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c new file mode 100644 index 0000000000..a532f8ab60 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c @@ -0,0 +1,291 @@ +/* + * SoC-specific lowlevel code for DA850 + * + * Copyright (C) 2011 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include <common.h> +#include <nand.h> +#include <ns16550.h> +#include <post.h> +#include <asm/arch/da850_lowlevel.h> +#include <asm/arch/hardware.h> +#include <asm/arch/davinci_misc.h> +#include <asm/arch/ddr2_defs.h> +#include <asm/arch/emif_defs.h> +#include <asm/arch/pll_defs.h> + +void da850_waitloop(unsigned long loopcnt) +{ + unsigned long i; + + for (i = 0; i < loopcnt; i++) + asm(" NOP"); +} + +int da850_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult) +{ + if (reg == davinci_pllc0_regs) + /* Unlock PLL registers. */ + clrbits_le32(&davinci_syscfg_regs->cfgchip0, PLL_MASTER_LOCK); + + /* + * Set PLLENSRC '0',bit 5, PLL Enable(PLLEN) selection is controlled + * through MMR + */ + clrbits_le32(®->pllctl, PLLCTL_PLLENSRC); + /* PLLCTL.EXTCLKSRC bit 9 should be left at 0 for Freon */ + clrbits_le32(®->pllctl, PLLCTL_EXTCLKSRC); + + /* Set PLLEN=0 => PLL BYPASS MODE */ + clrbits_le32(®->pllctl, PLLCTL_PLLEN); + + da850_waitloop(150); + + if (reg == davinci_pllc0_regs) { + /* + * Select the Clock Mode bit 8 as External Clock or On Chip + * Oscilator + */ + dv_maskbits(®->pllctl, ~PLLCTL_RES_9); + setbits_le32(®->pllctl, + (CONFIG_SYS_DV_CLKMODE << PLLCTL_CLOCK_MODE_SHIFT)); + } + + /* Clear PLLRST bit to reset the PLL */ + clrbits_le32(®->pllctl, PLLCTL_PLLRST); + + /* Disable the PLL output */ + setbits_le32(®->pllctl, PLLCTL_PLLDIS); + + /* PLL initialization sequence */ + /* + * Power up the PLL- PWRDN bit set to 0 to bring the PLL out of + * power down bit + */ + clrbits_le32(®->pllctl, PLLCTL_PLLPWRDN); + + /* Enable the PLL from Disable Mode PLLDIS bit to 0 */ + clrbits_le32(®->pllctl, PLLCTL_PLLDIS); + + /* Program the required multiplier value in PLLM */ + writel(pllmult, ®->pllm); + + /* program the postdiv */ + if (reg == davinci_pllc0_regs) + writel((PLL_POSTDEN | CONFIG_SYS_DA850_PLL0_POSTDIV), + ®->postdiv); + else + writel((PLL_POSTDEN | CONFIG_SYS_DA850_PLL1_POSTDIV), + ®->postdiv); + + /* + * Check for the GOSTAT bit in PLLSTAT to clear to 0 to indicate that + * no GO operation is currently in progress + */ + while ((readl(®->pllstat) & PLLCMD_GOSTAT) == PLLCMD_GOSTAT) + ; + + if (reg == davinci_pllc0_regs) { + writel(CONFIG_SYS_DA850_PLL0_PLLDIV1, ®->plldiv1); + writel(CONFIG_SYS_DA850_PLL0_PLLDIV2, ®->plldiv2); + writel(CONFIG_SYS_DA850_PLL0_PLLDIV3, ®->plldiv3); + writel(CONFIG_SYS_DA850_PLL0_PLLDIV4, ®->plldiv4); + writel(CONFIG_SYS_DA850_PLL0_PLLDIV5, ®->plldiv5); + writel(CONFIG_SYS_DA850_PLL0_PLLDIV6, ®->plldiv6); + writel(CONFIG_SYS_DA850_PLL0_PLLDIV7, ®->plldiv7); + } else { + writel(CONFIG_SYS_DA850_PLL1_PLLDIV1, ®->plldiv1); + writel(CONFIG_SYS_DA850_PLL1_PLLDIV2, ®->plldiv2); + writel(CONFIG_SYS_DA850_PLL1_PLLDIV3, ®->plldiv3); + } + + /* + * Set the GOSET bit in PLLCMD to 1 to initiate a new divider + * transition. + */ + setbits_le32(®->pllcmd, PLLCMD_GOSTAT); + + /* + * Wait for the GOSTAT bit in PLLSTAT to clear to 0 + * (completion of phase alignment). + */ + while ((readl(®->pllstat) & PLLCMD_GOSTAT) == PLLCMD_GOSTAT) + ; + + /* Wait for PLL to reset properly. See PLL spec for PLL reset time */ + da850_waitloop(200); + + /* Set the PLLRST bit in PLLCTL to 1 to bring the PLL out of reset */ + setbits_le32(®->pllctl, PLLCTL_PLLRST); + + /* Wait for PLL to lock. See PLL spec for PLL lock time */ + da850_waitloop(2400); + + /* + * Set the PLLEN bit in PLLCTL to 1 to remove the PLL from bypass + * mode + */ + setbits_le32(®->pllctl, PLLCTL_PLLEN); + + + /* + * clear EMIFA and EMIFB clock source settings, let them + * run off SYSCLK + */ + if (reg == davinci_pllc0_regs) + dv_maskbits(&davinci_syscfg_regs->cfgchip3, + ~(PLL_SCSCFG3_DIV45PENA | PLL_SCSCFG3_EMA_CLKSRC)); + + return 0; +} + +int da850_ddr_setup(void) +{ + unsigned long tmp; + + /* Enable the Clock to DDR2/mDDR */ + lpsc_on(DAVINCI_LPSC_DDR_EMIF); + + tmp = readl(&davinci_syscfg1_regs->vtpio_ctl); + if ((tmp & VTP_POWERDWN) == VTP_POWERDWN) { + /* Begin VTP Calibration */ + clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN); + clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK); + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ); + clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ); + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ); + + /* Polling READY bit to see when VTP calibration is done */ + tmp = readl(&davinci_syscfg1_regs->vtpio_ctl); + while ((tmp & VTP_READY) != VTP_READY) + tmp = readl(&davinci_syscfg1_regs->vtpio_ctl); + + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK); + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN); + + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN); + } + + writel(CONFIG_SYS_DA850_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr); + clrbits_le32(&davinci_syscfg1_regs->ddr_slew, + (1 << DDR_SLEW_CMOSEN_BIT)); + + /* + * SDRAM Configuration Register (SDCR): + * First set the BOOTUNLOCK bit to make configuration bits + * writeable. + */ + setbits_le32(&dv_ddr2_regs_ctrl->sdbcr, DV_DDR_BOOTUNLOCK); + + /* + * Write the new value of these bits and clear BOOTUNLOCK. + * At the same time, set the TIMUNLOCK bit to allow changing + * the timing registers + */ + tmp = CONFIG_SYS_DA850_DDR2_SDBCR; + tmp &= ~DV_DDR_BOOTUNLOCK; + tmp |= DV_DDR_TIMUNLOCK; + writel(tmp, &dv_ddr2_regs_ctrl->sdbcr); + + /* write memory configuration and timing */ + writel(CONFIG_SYS_DA850_DDR2_SDBCR2, &dv_ddr2_regs_ctrl->sdbcr2); + writel(CONFIG_SYS_DA850_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr); + writel(CONFIG_SYS_DA850_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2); + + /* clear the TIMUNLOCK bit and write the value of the CL field */ + tmp &= ~DV_DDR_TIMUNLOCK; + writel(tmp, &dv_ddr2_regs_ctrl->sdbcr); + + /* + * LPMODEN and MCLKSTOPEN must be set! + * Without this bits set, PSC don;t switch states !! + */ + writel(CONFIG_SYS_DA850_DDR2_SDRCR | + (1 << DV_DDR_SRCR_LPMODEN_SHIFT) | + (1 << DV_DDR_SRCR_MCLKSTOPEN_SHIFT), + &dv_ddr2_regs_ctrl->sdrcr); + + /* SyncReset the Clock to EMIF3A SDRAM */ + lpsc_syncreset(DAVINCI_LPSC_DDR_EMIF); + /* Enable the Clock to EMIF3A SDRAM */ + lpsc_on(DAVINCI_LPSC_DDR_EMIF); + + /* disable self refresh */ + clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr, + DV_DDR_SDRCR_LPMODEN | DV_DDR_SDRCR_LPMODEN); + writel(CONFIG_SYS_DA850_DDR2_PBBPR, &dv_ddr2_regs_ctrl->pbbpr); + + return 0; +} + +__attribute__((weak)) +void board_gpio_init(void) +{ + return; +} + +/* pinmux_resource[] vector is defined in the board specific file */ +extern const struct pinmux_resource pinmuxes[]; +extern const int pinmuxes_size; + +int arch_cpu_init(void) +{ + /* Unlock kick registers */ + writel(DV_SYSCFG_KICK0_UNLOCK, &davinci_syscfg_regs->kick0); + writel(DV_SYSCFG_KICK1_UNLOCK, &davinci_syscfg_regs->kick1); + + dv_maskbits(&davinci_syscfg_regs->suspsrc, + CONFIG_SYS_DA850_SYSCFG_SUSPSRC); + + /* configure pinmux settings */ + if (davinci_configure_pin_mux_items(pinmuxes, pinmuxes_size)) + return 1; + + /* PLL setup */ + da850_pll_init(davinci_pllc0_regs, CONFIG_SYS_DA850_PLL0_PLLM); + da850_pll_init(davinci_pllc1_regs, CONFIG_SYS_DA850_PLL1_PLLM); + + /* GPIO setup */ + board_gpio_init(); + + /* setup CSn config */ +#if defined(CONFIG_SYS_DA850_CS2CFG) + writel(CONFIG_SYS_DA850_CS2CFG, &davinci_emif_regs->ab1cr); +#endif +#if defined(CONFIG_SYS_DA850_CS3CFG) + writel(CONFIG_SYS_DA850_CS3CFG, &davinci_emif_regs->ab2cr); +#endif + + lpsc_on(CONFIG_SYS_DA850_LPSC_UART); + NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1), + CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); + + /* + * Fix Power and Emulation Management Register + * see sprufw3a.pdf page 37 Table 24 + */ + writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST | + DAVINCI_UART_PWREMU_MGMT_UTRST), + &davinci_uart2_ctrl_regs->pwremu_mgmt); + + da850_ddr_setup(); + return 0; +} diff --git a/arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c b/arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c new file mode 100644 index 0000000000..fa07fb591f --- /dev/null +++ b/arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c @@ -0,0 +1,171 @@ +/* + * Pinmux configurations for the DA850 SoCs + * + * Copyright (C) 2011 OMICRON electronics GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <common.h> +#include <asm/arch/davinci_misc.h> +#include <asm/arch/hardware.h> +#include <asm/arch/pinmux_defs.h> + +/* SPI pin muxer settings */ +const struct pinmux_config spi1_pins_base[] = { + { pinmux(5), 1, 2 }, /* SPI1_CLK */ + { pinmux(5), 1, 4 }, /* SPI1_SOMI */ + { pinmux(5), 1, 5 }, /* SPI1_SIMO */ +}; + +const struct pinmux_config spi1_pins_scs0[] = { + { pinmux(5), 1, 1 }, /* SPI1_SCS[0] */ +}; + +/* UART pin muxer settings */ +const struct pinmux_config uart1_pins_txrx[] = { + { pinmux(4), 2, 6 }, /* UART1_RXD */ + { pinmux(4), 2, 7 }, /* UART1_TXD */ +}; + +const struct pinmux_config uart2_pins_txrx[] = { + { pinmux(4), 2, 4 }, /* UART2_RXD */ + { pinmux(4), 2, 5 }, /* UART2_TXD */ +}; + +const struct pinmux_config uart2_pins_rtscts[] = { + { pinmux(0), 4, 6 }, /* UART2_RTS */ + { pinmux(0), 4, 7 }, /* UART2_CTS */ +}; + +/* EMAC pin muxer settings*/ +const struct pinmux_config emac_pins_rmii[] = { + { pinmux(14), 8, 2 }, /* RMII_TXD[1] */ + { pinmux(14), 8, 3 }, /* RMII_TXD[0] */ + { pinmux(14), 8, 4 }, /* RMII_TXEN */ + { pinmux(14), 8, 5 }, /* RMII_RXD[1] */ + { pinmux(14), 8, 6 }, /* RMII_RXD[0] */ + { pinmux(14), 8, 7 }, /* RMII_RXER */ + { pinmux(15), 8, 1 }, /* RMII_CRS_DV */ +}; + +const struct pinmux_config emac_pins_mii[] = { + { pinmux(2), 8, 1 }, /* MII_TXEN */ + { pinmux(2), 8, 2 }, /* MII_TXCLK */ + { pinmux(2), 8, 3 }, /* MII_COL */ + { pinmux(2), 8, 4 }, /* MII_TXD[3] */ + { pinmux(2), 8, 5 }, /* MII_TXD[2] */ + { pinmux(2), 8, 6 }, /* MII_TXD[1] */ + { pinmux(2), 8, 7 }, /* MII_TXD[0] */ + { pinmux(3), 8, 0 }, /* MII_RXCLK */ + { pinmux(3), 8, 1 }, /* MII_RXDV */ + { pinmux(3), 8, 2 }, /* MII_RXER */ + { pinmux(3), 8, 3 }, /* MII_CRS */ + { pinmux(3), 8, 4 }, /* MII_RXD[3] */ + { pinmux(3), 8, 5 }, /* MII_RXD[2] */ + { pinmux(3), 8, 6 }, /* MII_RXD[1] */ + { pinmux(3), 8, 7 }, /* MII_RXD[0] */ +}; + +const struct pinmux_config emac_pins_mdio[] = { + { pinmux(4), 8, 0 }, /* MDIO_CLK */ + { pinmux(4), 8, 1 }, /* MDIO_D */ +}; + +/* I2C pin muxer settings */ +const struct pinmux_config i2c0_pins[] = { + { pinmux(4), 2, 2 }, /* I2C0_SCL */ + { pinmux(4), 2, 3 }, /* I2C0_SDA */ +}; + +const struct pinmux_config i2c1_pins[] = { + { pinmux(4), 4, 4 }, /* I2C1_SCL */ + { pinmux(4), 4, 5 }, /* I2C1_SDA */ +}; + +/* EMIFA pin muxer settings */ +const struct pinmux_config emifa_pins_cs2[] = { + { pinmux(7), 1, 0 }, /* EMA_CS2 */ +}; + +const struct pinmux_config emifa_pins_cs3[] = { + { pinmux(7), 1, 1 }, /* EMA_CS[3] */ +}; + +const struct pinmux_config emifa_pins_cs4[] = { + { pinmux(7), 1, 2 }, /* EMA_CS[4] */ +}; + +const struct pinmux_config emifa_pins_nand[] = { + { pinmux(7), 1, 4 }, /* EMA_WE */ + { pinmux(7), 1, 5 }, /* EMA_OE */ + { pinmux(9), 1, 0 }, /* EMA_D[7] */ + { pinmux(9), 1, 1 }, /* EMA_D[6] */ + { pinmux(9), 1, 2 }, /* EMA_D[5] */ + { pinmux(9), 1, 3 }, /* EMA_D[4] */ + { pinmux(9), 1, 4 }, /* EMA_D[3] */ + { pinmux(9), 1, 5 }, /* EMA_D[2] */ + { pinmux(9), 1, 6 }, /* EMA_D[1] */ + { pinmux(9), 1, 7 }, /* EMA_D[0] */ + { pinmux(12), 1, 5 }, /* EMA_A[2] */ + { pinmux(12), 1, 6 }, /* EMA_A[1] */ +}; + +/* NOR pin muxer settings */ +const struct pinmux_config emifa_pins_nor[] = { + { pinmux(5), 1, 6 }, /* EMA_BA[1] */ + { pinmux(6), 1, 6 }, /* EMA_WAIT[1] */ + { pinmux(7), 1, 4 }, /* EMA_WE */ + { pinmux(7), 1, 5 }, /* EMA_OE */ + { pinmux(8), 1, 0 }, /* EMA_D[15] */ + { pinmux(8), 1, 1 }, /* EMA_D[14] */ + { pinmux(8), 1, 2 }, /* EMA_D[13] */ + { pinmux(8), 1, 3 }, /* EMA_D[12] */ + { pinmux(8), 1, 4 }, /* EMA_D[11] */ + { pinmux(8), 1, 5 }, /* EMA_D[10] */ + { pinmux(8), 1, 6 }, /* EMA_D[9] */ + { pinmux(8), 1, 7 }, /* EMA_D[8] */ + { pinmux(9), 1, 0 }, /* EMA_D[7] */ + { pinmux(9), 1, 1 }, /* EMA_D[6] */ + { pinmux(9), 1, 2 }, /* EMA_D[5] */ + { pinmux(9), 1, 3 }, /* EMA_D[4] */ + { pinmux(9), 1, 4 }, /* EMA_D[3] */ + { pinmux(9), 1, 5 }, /* EMA_D[2] */ + { pinmux(9), 1, 6 }, /* EMA_D[1] */ + { pinmux(9), 1, 7 }, /* EMA_D[0] */ + { pinmux(10), 1, 1 }, /* EMA_A[22] */ + { pinmux(10), 1, 2 }, /* EMA_A[21] */ + { pinmux(10), 1, 3 }, /* EMA_A[20] */ + { pinmux(10), 1, 4 }, /* EMA_A[19] */ + { pinmux(10), 1, 5 }, /* EMA_A[18] */ + { pinmux(10), 1, 6 }, /* EMA_A[17] */ + { pinmux(10), 1, 7 }, /* EMA_A[16] */ + { pinmux(11), 1, 0 }, /* EMA_A[15] */ + { pinmux(11), 1, 1 }, /* EMA_A[14] */ + { pinmux(11), 1, 2 }, /* EMA_A[13] */ + { pinmux(11), 1, 3 }, /* EMA_A[12] */ + { pinmux(11), 1, 4 }, /* EMA_A[11] */ + { pinmux(11), 1, 5 }, /* EMA_A[10] */ + { pinmux(11), 1, 6 }, /* EMA_A[9] */ + { pinmux(11), 1, 7 }, /* EMA_A[8] */ + { pinmux(12), 1, 0 }, /* EMA_A[7] */ + { pinmux(12), 1, 1 }, /* EMA_A[6] */ + { pinmux(12), 1, 2 }, /* EMA_A[5] */ + { pinmux(12), 1, 3 }, /* EMA_A[4] */ + { pinmux(12), 1, 4 }, /* EMA_A[3] */ + { pinmux(12), 1, 5 }, /* EMA_A[2] */ + { pinmux(12), 1, 6 }, /* EMA_A[1] */ + { pinmux(12), 1, 7 }, /* EMA_A[0] */ +}; diff --git a/arch/arm/cpu/arm926ejs/davinci/dm365_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/dm365_lowlevel.c index 3772e64cc4..6e998ded99 100644 --- a/arch/arm/cpu/arm926ejs/davinci/dm365_lowlevel.c +++ b/arch/arm/cpu/arm926ejs/davinci/dm365_lowlevel.c @@ -45,7 +45,8 @@ int dm365_pll1_init(unsigned long pllmult, unsigned long prediv) clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLPWRDN); clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_RES_9); - setbits_le32(&dv_pll0_regs->pllctl, clksrc << 8); + setbits_le32(&dv_pll0_regs->pllctl, + clksrc << PLLCTL_CLOCK_MODE_SHIFT); /* * Set PLLENSRC '0', PLL Enable(PLLEN) selection is controlled @@ -82,7 +83,7 @@ int dm365_pll1_init(unsigned long pllmult, unsigned long prediv) writel(PLLSECCTL_STOPMODE | PLLSECCTL_TINITZ, &dv_pll0_regs->secctl); /* Program the PostDiv for PLL1 */ - writel(0x8000, &dv_pll0_regs->postdiv); + writel(PLL_POSTDEN, &dv_pll0_regs->postdiv); /* Post divider setting for PLL1 */ writel(CONFIG_SYS_DM36x_PLL1_PLLDIV1, &dv_pll0_regs->plldiv1); @@ -126,7 +127,8 @@ int dm365_pll2_init(unsigned long pllm, unsigned long prediv) * VDB has input on MXI pin */ clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_RES_9); - setbits_le32(&dv_pll1_regs->pllctl, clksrc << 8); + setbits_le32(&dv_pll1_regs->pllctl, + clksrc << PLLCTL_CLOCK_MODE_SHIFT); /* * Set PLLENSRC '0', PLL Enable(PLLEN) selection is controlled @@ -151,7 +153,7 @@ int dm365_pll2_init(unsigned long pllm, unsigned long prediv) writel(pllm, &dv_pll1_regs->pllm); writel(prediv, &dv_pll1_regs->prediv); - writel(0x8000, &dv_pll1_regs->postdiv); + writel(PLL_POSTDEN, &dv_pll1_regs->postdiv); /* Assert TENABLE = 1, TENABLEDIV = 1, TINITZ = 1 */ writel(PLLSECCTL_STOPMODE | PLLSECCTL_TENABLEDIV | PLLSECCTL_TENABLE | @@ -261,21 +263,23 @@ void dm365_vpss_sync_reset(void) VPSS_CLK_CTL_VPSS_CLKMD); /* LPSC SyncReset DDR Clock Enable */ - writel(((readl(&dv_psc_regs->mdctl[47]) & ~PSC_MD_STATE_MSK) | - PSC_SYNCRESET), &dv_psc_regs->mdctl[47]); + writel(((readl(&dv_psc_regs->mdctl[DAVINCI_LPSC_VPSSMASTER]) & + ~PSC_MD_STATE_MSK) | PSC_SYNCRESET), + &dv_psc_regs->mdctl[DAVINCI_LPSC_VPSSMASTER]); writel((1 << PdNum), &dv_psc_regs->ptcmd); while (!(((readl(&dv_psc_regs->ptstat) >> PdNum) & PSC_GOSTAT) == 0)) ; - while (!((readl(&dv_psc_regs->mdstat[47]) & PSC_MD_STATE_MSK) == - PSC_SYNCRESET)) + while (!((readl(&dv_psc_regs->mdstat[DAVINCI_LPSC_VPSSMASTER]) & + PSC_MD_STATE_MSK) == PSC_SYNCRESET)) ; } void dm365_por_reset(void) { - if (readl(&dv_pll0_regs->rstype) & 3) + if (readl(&dv_pll0_regs->rstype) & + (PLL_RSTYPE_POR | PLL_RSTYPE_XWRST)) dm365_vpss_sync_reset(); } @@ -291,19 +295,20 @@ void dm365_psc_init(void) for (lpscgroup = lpscmin; lpscgroup <= lpscmax; lpscgroup++) { if (lpscgroup == 0) { - lpsc_start = 0; /* Enabling LPSC 3 to 28 SCR first */ - lpsc_end = 28; + /* Enabling LPSC 3 to 28 SCR first */ + lpsc_start = DAVINCI_LPSC_VPSSMSTR; + lpsc_end = DAVINCI_LPSC_TIMER1; } else if (lpscgroup == 1) { /* Skip locked LPSCs [29-37] */ - lpsc_start = 38; - lpsc_end = 47; + lpsc_start = DAVINCI_LPSC_CFG5; + lpsc_end = DAVINCI_LPSC_VPSSMASTER; } else { - lpsc_start = 50; - lpsc_end = 51; + lpsc_start = DAVINCI_LPSC_MJCP; + lpsc_end = DAVINCI_LPSC_HDVICP; } /* NEXT=0x3, Enable LPSC's */ for (i = lpsc_start; i <= lpsc_end; i++) - setbits_le32(&dv_psc_regs->mdctl[i], 0x3); + setbits_le32(&dv_psc_regs->mdctl[i], PSC_ENABLE); /* * Program goctl to start transition sequence for LPSCs @@ -322,7 +327,7 @@ void dm365_psc_init(void) /* Wait for MODSTAT = ENABLE from LPSC's */ for (i = lpsc_start; i <= lpsc_end; i++) while (!((readl(&dv_psc_regs->mdstat[i]) & - PSC_MD_STATE_MSK) == 0x3)) + PSC_MD_STATE_MSK) == PSC_ENABLE)) ; } } @@ -332,7 +337,7 @@ static void dm365_emif_init(void) writel(CONFIG_SYS_DM36x_AWCCR, &davinci_emif_regs->awccr); writel(CONFIG_SYS_DM36x_AB1CR, &davinci_emif_regs->ab1cr); - setbits_le32(&davinci_emif_regs->nandfcr, 1); + setbits_le32(&davinci_emif_regs->nandfcr, DAVINCI_NANDFCR_CS2NAND); writel(CONFIG_SYS_DM36x_AB2CR, &davinci_emif_regs->ab2cr); @@ -361,31 +366,12 @@ int post_log(char *format, ...) void dm36x_lowlevel_init(ulong bootflag) { - /* - * copied from arch/arm/cpu/arm926ejs/start.S - * - * flush v4 I/D caches - */ - asm("mov r0, #0"); - asm("mcr p15, 0, r0, c7, c7, 0"); /* flush v3/v4 cache */ - asm("mcr p15, 0, r0, c8, c7, 0"); /* flush v4 TLB */ - - /* - * disable MMU stuff and caches - */ - asm("mrc p15, 0, r0, c1, c0, 0"); - /* clear bits 13, 9:8 (--V- --RS) */ - asm("bic r0, r0, #0x00002300"); - /* clear bits 7, 2:0 (B--- -CAM) */ - asm("bic r0, r0, #0x00000087"); - /* set bit 2 (A) Align */ - asm("orr r0, r0, #0x00000002"); - /* set bit 12 (I) I-Cache */ - asm("orr r0, r0, #0x00001000"); - asm("mcr p15, 0, r0, c1, c0, 0"); + struct davinci_uart_ctrl_regs *davinci_uart_ctrl_regs = + (struct davinci_uart_ctrl_regs *)(CONFIG_SYS_NS16550_COM1 + + DAVINCI_UART_CTRL_BASE); /* Mask all interrupts */ - writel(0x04, &dv_aintc_regs->intctl); + writel(DV_AINTC_INTCTL_IDMODE, &dv_aintc_regs->intctl); writel(0x0, &dv_aintc_regs->eabase); writel(0x0, &dv_aintc_regs->eint0); writel(0x0, &dv_aintc_regs->eint1); @@ -422,7 +408,10 @@ void dm36x_lowlevel_init(ulong bootflag) * Fix Power and Emulation Management Register * see sprufh2.pdf page 38 Table 22 */ - writel(0x0000e003, (CONFIG_SYS_NS16550_COM1 + 0x30)); + writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST | + DAVINCI_UART_PWREMU_MGMT_UTRST), + &davinci_uart_ctrl_regs->pwremu_mgmt); + puts("ddr init\n"); dm365_ddr_setup(); diff --git a/arch/arm/cpu/arm926ejs/davinci/dp83848.c b/arch/arm/cpu/arm926ejs/davinci/dp83848.c index c71c685f72..d435e4bed7 100644 --- a/arch/arm/cpu/arm926ejs/davinci/dp83848.c +++ b/arch/arm/cpu/arm926ejs/davinci/dp83848.c @@ -29,6 +29,7 @@ #include <net.h> #include <dp83848.h> #include <asm/arch/emac_defs.h> +#include "../../../../../drivers/net/davinci_emac.h" #ifdef CONFIG_DRIVER_TI_EMAC diff --git a/arch/arm/cpu/arm926ejs/davinci/et1011c.c b/arch/arm/cpu/arm926ejs/davinci/et1011c.c index df35e44d13..68650e5a62 100644 --- a/arch/arm/cpu/arm926ejs/davinci/et1011c.c +++ b/arch/arm/cpu/arm926ejs/davinci/et1011c.c @@ -22,6 +22,7 @@ #include <net.h> #include <miiphy.h> #include <asm/arch/emac_defs.h> +#include "../../../../../drivers/net/davinci_emac.h" #ifdef CONFIG_DRIVER_TI_EMAC diff --git a/arch/arm/cpu/arm926ejs/davinci/ksz8873.c b/arch/arm/cpu/arm926ejs/davinci/ksz8873.c index 634eda0a02..3546e7fe2a 100644 --- a/arch/arm/cpu/arm926ejs/davinci/ksz8873.c +++ b/arch/arm/cpu/arm926ejs/davinci/ksz8873.c @@ -36,6 +36,7 @@ #include <net.h> #include <asm/arch/emac_defs.h> #include <asm/io.h> +#include "../../../../../drivers/net/davinci_emac.h" int ksz8873_is_phy_connected(int phy_addr) { diff --git a/arch/arm/cpu/arm926ejs/davinci/lxt972.c b/arch/arm/cpu/arm926ejs/davinci/lxt972.c index 733d413729..cce1fe4cb2 100644 --- a/arch/arm/cpu/arm926ejs/davinci/lxt972.c +++ b/arch/arm/cpu/arm926ejs/davinci/lxt972.c @@ -30,6 +30,7 @@ #include <miiphy.h> #include <lxt971a.h> #include <asm/arch/emac_defs.h> +#include "../../../../../drivers/net/davinci_emac.h" #ifdef CONFIG_DRIVER_TI_EMAC diff --git a/arch/arm/cpu/arm926ejs/davinci/misc.c b/arch/arm/cpu/arm926ejs/davinci/misc.c new file mode 100644 index 0000000000..5f510b61db --- /dev/null +++ b/arch/arm/cpu/arm926ejs/davinci/misc.c @@ -0,0 +1,150 @@ +/* + * Miscelaneous DaVinci functions. + * + * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, <nick.thompson@gefanuc.com> + * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> + * Copyright (C) 2008 Lyrtech <www.lyrtech.com> + * Copyright (C) 2004 Texas Instruments. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <common.h> +#include <i2c.h> +#include <net.h> +#include <asm/arch/hardware.h> +#include <asm/io.h> +#include <asm/arch/davinci_misc.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifndef CONFIG_SPL_BUILD +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size( + (void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_MAX_RAM_BANK_SIZE); + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = gd->ram_size; +} +#endif + +#ifdef CONFIG_DRIVER_TI_EMAC +/* + * Read ethernet MAC address from EEPROM for DVEVM compatible boards. + * Returns 1 if found, 0 otherwise. + */ +int dvevm_read_mac_address(uint8_t *buf) +{ +#ifdef CONFIG_SYS_I2C_EEPROM_ADDR + /* Read MAC address. */ + if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x7F00, + CONFIG_SYS_I2C_EEPROM_ADDR_LEN, (uint8_t *) &buf[0], 6)) + goto i2cerr; + + /* Check that MAC address is valid. */ + if (!is_valid_ether_addr(buf)) + goto err; + + return 1; /* Found */ + +i2cerr: + printf("Read from EEPROM @ 0x%02x failed\n", + CONFIG_SYS_I2C_EEPROM_ADDR); +err: +#endif /* CONFIG_SYS_I2C_EEPROM_ADDR */ + + return 0; +} + +/* + * Set the mii mode as MII or RMII + */ +#if defined(CONFIG_SOC_DA8XX) +void davinci_emac_mii_mode_sel(int mode_sel) +{ + int val; + + val = readl(&davinci_syscfg_regs->cfgchip3); + if (mode_sel == 0) + val &= ~(1 << 8); + else + val |= (1 << 8); + writel(val, &davinci_syscfg_regs->cfgchip3); +} +#endif +/* + * If there is no MAC address in the environment, then it will be initialized + * (silently) from the value in the EEPROM. + */ +void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr) +{ + uint8_t env_enetaddr[6]; + + eth_getenv_enetaddr_by_index("eth", 0, env_enetaddr); + if (!memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) { + /* + * There is no MAC address in the environment, so we + * initialize it from the value in the EEPROM. + */ + debug("### Setting environment from EEPROM MAC address = " + "\"%pM\"\n", + env_enetaddr); + eth_setenv_enetaddr("ethaddr", rom_enetaddr); + } +} +#endif /* CONFIG_DRIVER_TI_EMAC */ + +#if defined(CONFIG_SOC_DA8XX) +#ifndef CONFIG_USE_IRQ +void irq_init(void) +{ + /* + * Mask all IRQs by clearing the global enable and setting + * the enable clear for all the 90 interrupts. + */ + writel(0, &davinci_aintc_regs->ger); + + writel(0, &davinci_aintc_regs->hier); + + writel(0xffffffff, &davinci_aintc_regs->ecr1); + writel(0xffffffff, &davinci_aintc_regs->ecr2); + writel(0xffffffff, &davinci_aintc_regs->ecr3); +} +#endif + +/* + * Enable PSC for various peripherals. + */ +int da8xx_configure_lpsc_items(const struct lpsc_resource *item, + const int n_items) +{ + int i; + + for (i = 0; i < n_items; i++) + lpsc_on(item[i].lpsc_no); + + return 0; +} +#endif diff --git a/arch/arm/cpu/arm926ejs/davinci/pinmux.c b/arch/arm/cpu/arm926ejs/davinci/pinmux.c new file mode 100644 index 0000000000..ce58f71886 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/davinci/pinmux.c @@ -0,0 +1,105 @@ +/* + * DaVinci pinmux functions. + * + * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, <nick.thompson@gefanuc.com> + * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> + * Copyright (C) 2008 Lyrtech <www.lyrtech.com> + * Copyright (C) 2004 Texas Instruments. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <common.h> +#include <asm/arch/hardware.h> +#include <asm/io.h> +#include <asm/arch/davinci_misc.h> + +/* + * Change the setting of a pin multiplexer field. + * + * Takes an array of pinmux settings similar to: + * + * struct pinmux_config uart_pins[] = { + * { &davinci_syscfg_regs->pinmux[8], 2, 7 }, + * { &davinci_syscfg_regs->pinmux[9], 2, 0 } + * }; + * + * Stepping through the array, each pinmux[n] register has the given value + * set in the pin mux field specified. + * + * The number of pins in the array must be passed (ARRAY_SIZE can provide + * this value conveniently). + * + * Returns 0 if all field numbers and values are in the correct range, + * else returns -1. + */ +int davinci_configure_pin_mux(const struct pinmux_config *pins, + const int n_pins) +{ + int i; + + /* check for invalid pinmux values */ + for (i = 0; i < n_pins; i++) { + if (pins[i].field >= PIN_MUX_NUM_FIELDS || + (pins[i].value & ~PIN_MUX_FIELD_MASK) != 0) + return -1; + } + + /* configure the pinmuxes */ + for (i = 0; i < n_pins; i++) { + const int offset = pins[i].field * PIN_MUX_FIELD_SIZE; + const unsigned int value = pins[i].value << offset; + const unsigned int mask = PIN_MUX_FIELD_MASK << offset; + const dv_reg *mux = pins[i].mux; + + writel(value | (readl(mux) & (~mask)), mux); + } + + return 0; +} + +/* + * Configure multiple pinmux resources. + * + * Takes an pinmux_resource array of pinmux_config and pin counts: + * + * const struct pinmux_resource pinmuxes[] = { + * PINMUX_ITEM(uart_pins), + * PINMUX_ITEM(i2c_pins), + * }; + * + * The number of items in the array must be passed (ARRAY_SIZE can provide + * this value conveniently). + * + * Each item entry is configured in the defined order. If configuration + * of any item fails, -1 is returned and none of the following items are + * configured. On success, 0 is returned. + */ +int davinci_configure_pin_mux_items(const struct pinmux_resource *item, + const int n_items) +{ + int i; + + for (i = 0; i < n_items; i++) { + if (davinci_configure_pin_mux(item[i].pins, + item[i].n_pins) != 0) + return -1; + } + + return 0; +} |
