diff options
Diffstat (limited to 'arch/arm/mach-s5p6440')
25 files changed, 2086 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p6440/Kconfig b/arch/arm/mach-s5p6440/Kconfig new file mode 100644 index 000000000000..4c29ff8b07de --- /dev/null +++ b/arch/arm/mach-s5p6440/Kconfig @@ -0,0 +1,21 @@ +# arch/arm/mach-s5p6440/Kconfig +# +# Copyright (c) 2009 Samsung Electronics Co., Ltd. +# http://www.samsung.com/ +# +# Licensed under GPLv2 + +if ARCH_S5P6440 + +config CPU_S5P6440 + bool + help + Enable S5P6440 CPU support + +config MACH_SMDK6440 + bool "SMDK6440" + select CPU_S5P6440 + help + Machine support for the Samsung SMDK6440 + +endif diff --git a/arch/arm/mach-s5p6440/Makefile b/arch/arm/mach-s5p6440/Makefile new file mode 100644 index 000000000000..1ad894b1d3ab --- /dev/null +++ b/arch/arm/mach-s5p6440/Makefile @@ -0,0 +1,19 @@ +# arch/arm/mach-s5p6440/Makefile +# +# Copyright (c) 2009 Samsung Electronics Co., Ltd. +# http://www.samsung.com/ +# +# Licensed under GPLv2 + +obj-y := +obj-m := +obj-n := +obj- := + +# Core support for S5P6440 system + +obj-$(CONFIG_CPU_S5P6440) += cpu.o init.o clock.o gpio.o + +# machine support + +obj-$(CONFIG_MACH_SMDK6440) += mach-smdk6440.o diff --git a/arch/arm/mach-s5p6440/Makefile.boot b/arch/arm/mach-s5p6440/Makefile.boot new file mode 100644 index 000000000000..ff90aa13bd67 --- /dev/null +++ b/arch/arm/mach-s5p6440/Makefile.boot @@ -0,0 +1,2 @@ + zreladdr-y := 0x20008000 +params_phys-y := 0x20000100 diff --git a/arch/arm/mach-s5p6440/clock.c b/arch/arm/mach-s5p6440/clock.c new file mode 100644 index 000000000000..b2672e16e7aa --- /dev/null +++ b/arch/arm/mach-s5p6440/clock.c @@ -0,0 +1,698 @@ +/* linux/arch/arm/mach-s5p6440/clock.c + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - Clock support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/sysdev.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/map.h> + +#include <plat/cpu-freq.h> +#include <mach/regs-clock.h> +#include <plat/clock.h> +#include <plat/cpu.h> +#include <plat/clock-clksrc.h> +#include <plat/s5p-clock.h> +#include <plat/pll.h> +#include <plat/s5p6440.h> + +/* APLL Mux output clock */ +static struct clksrc_clk clk_mout_apll = { + .clk = { + .name = "mout_apll", + .id = -1, + }, + .sources = &clk_src_apll, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 }, +}; + +static int s5p6440_epll_enable(struct clk *clk, int enable) +{ + unsigned int ctrlbit = clk->ctrlbit; + unsigned int epll_con = __raw_readl(S5P_EPLL_CON) & ~ctrlbit; + + if (enable) + __raw_writel(epll_con | ctrlbit, S5P_EPLL_CON); + else + __raw_writel(epll_con, S5P_EPLL_CON); + + return 0; +} + +static unsigned long s5p6440_epll_get_rate(struct clk *clk) +{ + return clk->rate; +} + +static u32 epll_div[][5] = { + { 36000000, 0, 48, 1, 4 }, + { 48000000, 0, 32, 1, 3 }, + { 60000000, 0, 40, 1, 3 }, + { 72000000, 0, 48, 1, 3 }, + { 84000000, 0, 28, 1, 2 }, + { 96000000, 0, 32, 1, 2 }, + { 32768000, 45264, 43, 1, 4 }, + { 45158000, 6903, 30, 1, 3 }, + { 49152000, 50332, 32, 1, 3 }, + { 67738000, 10398, 45, 1, 3 }, + { 73728000, 9961, 49, 1, 3 } +}; + +static int s5p6440_epll_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned int epll_con, epll_con_k; + unsigned int i; + + if (clk->rate == rate) /* Return if nothing changed */ + return 0; + + epll_con = __raw_readl(S5P_EPLL_CON); + epll_con_k = __raw_readl(S5P_EPLL_CON_K); + + epll_con_k &= ~(PLL90XX_KDIV_MASK); + epll_con &= ~(PLL90XX_MDIV_MASK | PLL90XX_PDIV_MASK | PLL90XX_SDIV_MASK); + + for (i = 0; i < ARRAY_SIZE(epll_div); i++) { + if (epll_div[i][0] == rate) { + epll_con_k |= (epll_div[i][1] << PLL90XX_KDIV_SHIFT); + epll_con |= (epll_div[i][2] << PLL90XX_MDIV_SHIFT) | + (epll_div[i][3] << PLL90XX_PDIV_SHIFT) | + (epll_div[i][4] << PLL90XX_SDIV_SHIFT); + break; + } + } + + if (i == ARRAY_SIZE(epll_div)) { + printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n", __func__); + return -EINVAL; + } + + __raw_writel(epll_con, S5P_EPLL_CON); + __raw_writel(epll_con_k, S5P_EPLL_CON_K); + + clk->rate = rate; + + return 0; +} + +static struct clk_ops s5p6440_epll_ops = { + .get_rate = s5p6440_epll_get_rate, + .set_rate = s5p6440_epll_set_rate, +}; + +static struct clksrc_clk clk_mout_epll = { + .clk = { + .name = "mout_epll", + .id = -1, + }, + .sources = &clk_src_epll, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 2, .size = 1 }, +}; + +static struct clksrc_clk clk_mout_mpll = { + .clk = { + .name = "mout_mpll", + .id = -1, + }, + .sources = &clk_src_mpll, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 1, .size = 1 }, +}; + +static struct clk clk_h_low = { + .name = "hclk_low", + .id = -1, + .rate = 0, + .parent = NULL, + .ctrlbit = 0, + .ops = &clk_ops_def_setrate, +}; + +static struct clk clk_p_low = { + .name = "pclk_low", + .id = -1, + .rate = 0, + .parent = NULL, + .ctrlbit = 0, + .ops = &clk_ops_def_setrate, +}; + +enum perf_level { + L0 = 532*1000, + L1 = 266*1000, + L2 = 133*1000, +}; + +static const u32 clock_table[][3] = { + /*{ARM_CLK, DIVarm, DIVhclk}*/ + {L0 * 1000, (0 << ARM_DIV_RATIO_SHIFT), (3 << S5P_CLKDIV0_HCLK_SHIFT)}, + {L1 * 1000, (1 << ARM_DIV_RATIO_SHIFT), (1 << S5P_CLKDIV0_HCLK_SHIFT)}, + {L2 * 1000, (3 << ARM_DIV_RATIO_SHIFT), (0 << S5P_CLKDIV0_HCLK_SHIFT)}, +}; + +static unsigned long s5p6440_armclk_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + u32 clkdiv; + + /* divisor mask starts at bit0, so no need to shift */ + clkdiv = __raw_readl(ARM_CLK_DIV) & ARM_DIV_MASK; + + return rate / (clkdiv + 1); +} + +static unsigned long s5p6440_armclk_round_rate(struct clk *clk, + unsigned long rate) +{ + u32 iter; + + for (iter = 1 ; iter < ARRAY_SIZE(clock_table) ; iter++) { + if (rate > clock_table[iter][0]) + return clock_table[iter-1][0]; + } + + return clock_table[ARRAY_SIZE(clock_table) - 1][0]; +} + +static int s5p6440_armclk_set_rate(struct clk *clk, unsigned long rate) +{ + u32 round_tmp; + u32 iter; + u32 clk_div0_tmp; + u32 cur_rate = clk->ops->get_rate(clk); + unsigned long flags; + + round_tmp = clk->ops->round_rate(clk, rate); + if (round_tmp == cur_rate) + return 0; + + + for (iter = 0 ; iter < ARRAY_SIZE(clock_table) ; iter++) { + if (round_tmp == clock_table[iter][0]) + break; + } + + if (iter >= ARRAY_SIZE(clock_table)) + iter = ARRAY_SIZE(clock_table) - 1; + + local_irq_save(flags); + if (cur_rate > round_tmp) { + /* Frequency Down */ + clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & ~(ARM_DIV_MASK); + clk_div0_tmp |= clock_table[iter][1]; + __raw_writel(clk_div0_tmp, ARM_CLK_DIV); + + clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & + ~(S5P_CLKDIV0_HCLK_MASK); + clk_div0_tmp |= clock_table[iter][2]; + __raw_writel(clk_div0_tmp, ARM_CLK_DIV); + + + } else { + /* Frequency Up */ + clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & + ~(S5P_CLKDIV0_HCLK_MASK); + clk_div0_tmp |= clock_table[iter][2]; + __raw_writel(clk_div0_tmp, ARM_CLK_DIV); + + clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & ~(ARM_DIV_MASK); + clk_div0_tmp |= clock_table[iter][1]; + __raw_writel(clk_div0_tmp, ARM_CLK_DIV); + } + local_irq_restore(flags); + + clk->rate = clock_table[iter][0]; + + return 0; +} + +static struct clk_ops s5p6440_clkarm_ops = { + .get_rate = s5p6440_armclk_get_rate, + .set_rate = s5p6440_armclk_set_rate, + .round_rate = s5p6440_armclk_round_rate, +}; + +static unsigned long s5p6440_clk_doutmpll_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + + if (__raw_readl(S5P_CLK_DIV0) & S5P_CLKDIV0_MPLL_MASK) + rate /= 2; + + return rate; +} + +static struct clk clk_dout_mpll = { + .name = "dout_mpll", + .id = -1, + .parent = &clk_mout_mpll.clk, + .ops = &(struct clk_ops) { + .get_rate = s5p6440_clk_doutmpll_get_rate, + }, +}; + +int s5p6440_clk48m_ctrl(struct clk *clk, int enable) +{ + unsigned long flags; + u32 val; + + /* can't rely on clock lock, this register has other usages */ + local_irq_save(flags); + + val = __raw_readl(S5P_OTHERS); + if (enable) + val |= S5P_OTHERS_USB_SIG_MASK; + else + val &= ~S5P_OTHERS_USB_SIG_MASK; + + __raw_writel(val, S5P_OTHERS); + + local_irq_restore(flags); + + return 0; +} + +static int s5p6440_pclk_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLK_GATE_PCLK, clk, enable); +} + +static int s5p6440_hclk0_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLK_GATE_HCLK0, clk, enable); +} + +static int s5p6440_hclk1_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLK_GATE_HCLK1, clk, enable); +} + +static int s5p6440_sclk_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLK_GATE_SCLK0, clk, enable); +} + +static int s5p6440_mem_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLK_GATE_MEM0, clk, enable); +} + +/* + * The following clocks will be disabled during clock initialization. It is + * recommended to keep the following clocks disabled until the driver requests + * for enabling the clock. + */ +static struct clk init_clocks_disable[] = { + { + .name = "nand", + .id = -1, + .parent = &clk_h, + .enable = s5p6440_mem_ctrl, + .ctrlbit = S5P_CLKCON_MEM0_HCLK_NFCON, + }, { + .name = "adc", + .id = -1, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_TSADC, + }, { + .name = "i2c", + .id = -1, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_IIC0, + }, { + .name = "i2s_v40", + .id = 0, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_IIS2, + }, { + .name = "spi", + .id = 0, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_SPI0, + }, { + .name = "spi", + .id = 1, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_SPI1, + }, { + .name = "sclk_spi_48", + .id = 0, + .parent = &clk_48m, + .enable = s5p6440_sclk_ctrl, + .ctrlbit = S5P_CLKCON_SCLK0_SPI0_48, + }, { + .name = "sclk_spi_48", + .id = 1, + .parent = &clk_48m, + .enable = s5p6440_sclk_ctrl, + .ctrlbit = S5P_CLKCON_SCLK0_SPI1_48, + }, { + .name = "mmc_48m", + .id = 0, + .parent = &clk_48m, + .enable = s5p6440_sclk_ctrl, + .ctrlbit = S5P_CLKCON_SCLK0_MMC0_48, + }, { + .name = "mmc_48m", + .id = 1, + .parent = &clk_48m, + .enable = s5p6440_sclk_ctrl, + .ctrlbit = S5P_CLKCON_SCLK0_MMC1_48, + }, { + .name = "mmc_48m", + .id = 2, + .parent = &clk_48m, + .enable = s5p6440_sclk_ctrl, + .ctrlbit = S5P_CLKCON_SCLK0_MMC2_48, + }, { + .name = "otg", + .id = -1, + .parent = &clk_h_low, + .enable = s5p6440_hclk0_ctrl, + .ctrlbit = S5P_CLKCON_HCLK0_USB + }, { + .name = "post", + .id = -1, + .parent = &clk_h_low, + .enable = s5p6440_hclk0_ctrl, + .ctrlbit = S5P_CLKCON_HCLK0_POST0 + }, { + .name = "lcd", + .id = -1, + .parent = &clk_h_low, + .enable = s5p6440_hclk1_ctrl, + .ctrlbit = S5P_CLKCON_HCLK1_DISPCON, + }, { + .name = "hsmmc", + .id = 0, + .parent = &clk_h_low, + .enable = s5p6440_hclk0_ctrl, + .ctrlbit = S5P_CLKCON_HCLK0_HSMMC0, + }, { + .name = "hsmmc", + .id = 1, + .parent = &clk_h_low, + .enable = s5p6440_hclk0_ctrl, + .ctrlbit = S5P_CLKCON_HCLK0_HSMMC1, + }, { + .name = "hsmmc", + .id = 2, + .parent = &clk_h_low, + .enable = s5p6440_hclk0_ctrl, + .ctrlbit = S5P_CLKCON_HCLK0_HSMMC2, + }, { + .name = "rtc", + .id = -1, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_RTC, + }, { + .name = "watchdog", + .id = -1, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_WDT, + }, { + .name = "timers", + .id = -1, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_PWM, + } +}; + +/* + * The following clocks will be enabled during clock initialization. + */ +static struct clk init_clocks[] = { + { + .name = "gpio", + .id = -1, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_GPIO, + }, { + .name = "uart", + .id = 0, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_UART0, + }, { + .name = "uart", + .id = 1, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_UART1, + }, { + .name = "uart", + .id = 2, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_UART2, + }, { + .name = "uart", + .id = 3, + .parent = &clk_p_low, + .enable = s5p6440_pclk_ctrl, + .ctrlbit = S5P_CLKCON_PCLK_UART3, + } +}; + +static struct clk clk_iis_cd_v40 = { + .name = "iis_cdclk_v40", + .id = -1, +}; + +static struct clk clk_pcm_cd = { + .name = "pcm_cdclk", + .id = -1, +}; + +static struct clk *clkset_spi_mmc_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_fin_epll, +}; + +static struct clksrc_sources clkset_spi_mmc = { + .sources = clkset_spi_mmc_list, + .nr_sources = ARRAY_SIZE(clkset_spi_mmc_list), +}; + +static struct clk *clkset_uart_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll +}; + +static struct clksrc_sources clkset_uart = { + .sources = clkset_uart_list, + .nr_sources = ARRAY_SIZE(clkset_uart_list), +}; + +static struct clksrc_clk clksrcs[] = { + { + .clk = { + .name = "mmc_bus", + .id = 0, + .ctrlbit = S5P_CLKCON_SCLK0_MMC0, + .enable = s5p6440_sclk_ctrl, + }, + .sources = &clkset_spi_mmc, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 18, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 4 }, + }, { + .clk = { + .name = "mmc_bus", + .id = 1, + .ctrlbit = S5P_CLKCON_SCLK0_MMC1, + .enable = s5p6440_sclk_ctrl, + }, + .sources = &clkset_spi_mmc, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV1, .shift = 4, .size = 4 }, + }, { + .clk = { + .name = "mmc_bus", + .id = 2, + .ctrlbit = S5P_CLKCON_SCLK0_MMC2, + .enable = s5p6440_sclk_ctrl, + }, + .sources = &clkset_spi_mmc, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 22, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV1, .shift = 8, .size = 4 }, + }, { + .clk = { + .name = "uclk1", + .id = -1, + .ctrlbit = S5P_CLKCON_SCLK0_UART, + .enable = s5p6440_sclk_ctrl, + }, + .sources = &clkset_uart, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 13, .size = 1 }, + .reg_div = { .reg = S5P_CLK_DIV2, .shift = 16, .size = 4 }, + }, { + .clk = { + .name = "spi_epll", + .id = 0, + .ctrlbit = S5P_CLKCON_SCLK0_SPI0, + .enable = s5p6440_sclk_ctrl, + }, + .sources = &clkset_spi_mmc, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 14, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 }, + }, { + .clk = { + .name = "spi_epll", + .id = 1, + .ctrlbit = S5P_CLKCON_SCLK0_SPI1, + .enable = s5p6440_sclk_ctrl, + }, + .sources = &clkset_spi_mmc, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 }, + } +}; + +/* Clock initialisation code */ +static struct clksrc_clk *init_parents[] = { + &clk_mout_apll, + &clk_mout_epll, + &clk_mout_mpll, +}; + +void __init_or_cpufreq s5p6440_setup_clocks(void) +{ + struct clk *xtal_clk; + unsigned long xtal; + unsigned long fclk; + unsigned long hclk; + unsigned long hclk_low; + unsigned long pclk; + unsigned long pclk_low; + unsigned long epll; + unsigned long apll; + unsigned long mpll; + unsigned int ptr; + u32 clkdiv0; + u32 clkdiv3; + + /* Set S5P6440 functions for clk_fout_epll */ + clk_fout_epll.enable = s5p6440_epll_enable; + clk_fout_epll.ops = &s5p6440_epll_ops; + + /* Set S5P6440 functions for arm clock */ + clk_arm.parent = &clk_mout_apll.clk; + clk_arm.ops = &s5p6440_clkarm_ops; + clk_48m.enable = s5p6440_clk48m_ctrl; + + clkdiv0 = __raw_readl(S5P_CLK_DIV0); + clkdiv3 = __raw_readl(S5P_CLK_DIV3); + + xtal_clk = clk_get(NULL, "ext_xtal"); + BUG_ON(IS_ERR(xtal_clk)); + + xtal = clk_get_rate(xtal_clk); + clk_put(xtal_clk); + + epll = s5p_get_pll90xx(xtal, __raw_readl(S5P_EPLL_CON), + __raw_readl(S5P_EPLL_CON_K)); + mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502); + apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4502); + + printk(KERN_INFO "S5P6440: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz," \ + " E=%ld.%ldMHz\n", + print_mhz(apll), print_mhz(mpll), print_mhz(epll)); + + fclk = apll / GET_DIV(clkdiv0, S5P_CLKDIV0_ARM); + hclk = fclk / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK); + pclk = hclk / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK); + + if (__raw_readl(S5P_OTHERS) & S5P_OTHERS_HCLK_LOW_SEL_MPLL) { + /* Asynchronous mode */ + hclk_low = mpll / GET_DIV(clkdiv3, S5P_CLKDIV3_HCLK_LOW); + } else { + /* Synchronous mode */ + hclk_low = apll / GET_DIV(clkdiv3, S5P_CLKDIV3_HCLK_LOW); + } + + pclk_low = hclk_low / GET_DIV(clkdiv3, S5P_CLKDIV3_PCLK_LOW); + + printk(KERN_INFO "S5P6440: HCLK=%ld.%ldMHz, HCLK_LOW=%ld.%ldMHz," \ + " PCLK=%ld.%ldMHz, PCLK_LOW=%ld.%ldMHz\n", + print_mhz(hclk), print_mhz(hclk_low), + print_mhz(pclk), print_mhz(pclk_low)); + + clk_fout_mpll.rate = mpll; + clk_fout_epll.rate = epll; + clk_fout_apll.rate = apll; + + clk_f.rate = fclk; + clk_h.rate = hclk; + clk_p.rate = pclk; + clk_h_low.rate = hclk_low; + clk_p_low.rate = pclk_low; + + for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++) + s3c_set_clksrc(init_parents[ptr], true); + + for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) + s3c_set_clksrc(&clksrcs[ptr], true); +} + +static struct clk *clks[] __initdata = { + &clk_ext, + &clk_mout_epll.clk, + &clk_mout_mpll.clk, + &clk_dout_mpll, + &clk_iis_cd_v40, + &clk_pcm_cd, + &clk_p_low, + &clk_h_low, +}; + +void __init s5p6440_register_clocks(void) +{ + struct clk *clkp; + int ret; + int ptr; + + ret = s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); + if (ret > 0) + printk(KERN_ERR "Failed to register %u clocks\n", ret); + + s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); + s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); + + clkp = init_clocks_disable; + for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) { + + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + (clkp->enable)(clkp, 0); + } + + s3c_pwmclk_init(); +} diff --git a/arch/arm/mach-s5p6440/cpu.c b/arch/arm/mach-s5p6440/cpu.c new file mode 100644 index 000000000000..1794131aeacb --- /dev/null +++ b/arch/arm/mach-s5p6440/cpu.c @@ -0,0 +1,114 @@ +/* linux/arch/arm/mach-s5p6440/cpu.c + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/sysdev.h> +#include <linux/serial_core.h> +#include <linux/platform_device.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/proc-fns.h> + +#include <mach/hardware.h> +#include <mach/map.h> +#include <asm/irq.h> + +#include <plat/regs-serial.h> +#include <mach/regs-clock.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/clock.h> +#include <plat/s5p6440.h> + +static void s5p6440_idle(void) +{ + unsigned long val; + + if (!need_resched()) { + val = __raw_readl(S5P_PWR_CFG); + val &= ~(0x3<<5); + val |= (0x1<<5); + __raw_writel(val, S5P_PWR_CFG); + + cpu_do_idle(); + } + local_irq_enable(); +} + +/* s5p6440_map_io + * + * register the standard cpu IO areas +*/ + +void __init s5p6440_map_io(void) +{ + /* initialize any device information early */ +} + +void __init s5p6440_init_clocks(int xtal) +{ + printk(KERN_DEBUG "%s: initializing clocks\n", __func__); + + s3c24xx_register_baseclocks(xtal); + s5p_register_clocks(xtal); + s5p6440_register_clocks(); + s5p6440_setup_clocks(); +} + +void __init s5p6440_init_irq(void) +{ + /* S5P6440 supports only 2 VIC */ + u32 vic[2]; + + /* + * VIC0 is missing IRQ_VIC0[3, 4, 8, 10, (12-22)] + * VIC1 is missing IRQ VIC1[1, 3, 4, 10, 11, 12, 14, 15, 22] + */ + vic[0] = 0xff800ae7; + vic[1] = 0xffbf23e5; + + s5p_init_irq(vic, ARRAY_SIZE(vic)); +} + +static struct sysdev_class s5p6440_sysclass = { + .name = "s5p6440-core", +}; + +static struct sys_device s5p6440_sysdev = { + .cls = &s5p6440_sysclass, +}; + +static int __init s5p6440_core_init(void) +{ + return sysdev_class_register(&s5p6440_sysclass); +} + +core_initcall(s5p6440_core_init); + +int __init s5p6440_init(void) +{ + printk(KERN_INFO "S5P6440: Initializing architecture\n"); + + /* set idle function */ + pm_idle = s5p6440_idle; + + return sysdev_register(&s5p6440_sysdev); +} diff --git a/arch/arm/mach-s5p6440/gpio.c b/arch/arm/mach-s5p6440/gpio.c new file mode 100644 index 000000000000..b0ea741177ad --- /dev/null +++ b/arch/arm/mach-s5p6440/gpio.c @@ -0,0 +1,322 @@ +/* arch/arm/mach-s5p6440/gpio.c + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - GPIOlib support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <mach/map.h> +#include <mach/gpio.h> +#include <mach/regs-gpio.h> +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> + +/* GPIO bank summary: +* +* Bank GPIOs Style SlpCon ExtInt Group +* A 6 4Bit Yes 1 +* B 7 4Bit Yes 1 +* C 8 4Bit Yes 2 +* F 2 2Bit Yes 4 [1] +* G 7 4Bit Yes 5 +* H 10 4Bit[2] Yes 6 +* I 16 2Bit Yes None +* J 12 2Bit Yes None +* N 16 2Bit No IRQ_EINT +* P 8 2Bit Yes 8 +* R 15 4Bit[2] Yes 8 +* +* [1] BANKF pins 14,15 do not form part of the external interrupt sources +* [2] BANK has two control registers, GPxCON0 and GPxCON1 +*/ + +static int s5p6440_gpiolib_rbank_4bit2_input(struct gpio_chip *chip, + unsigned int offset) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + + switch (offset) { + case 6: + offset += 1; + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + regcon -= 4; + break; + default: + offset -= 7; + break; + } + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, regcon); + + return 0; +} + +static int s5p6440_gpiolib_rbank_4bit2_output(struct gpio_chip *chip, + unsigned int offset, int value) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + unsigned long dat; + unsigned con_offset = offset; + + switch (con_offset) { + case 6: + con_offset += 1; + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + regcon -= 4; + break; + default: + con_offset -= 7; + break; + } + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(con_offset)); + con |= 0x1 << con_4bit_shift(con_offset); + + dat = __raw_readl(base + GPIODAT_OFF); + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(con, regcon); + __raw_writel(dat, base + GPIODAT_OFF); + + return 0; +} + +int s5p6440_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift; + u32 con; + + switch (off) { + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + shift = (off & 7) * 4; + reg -= 4; + break; + case 6: + shift = ((off + 1) & 7) * 4; + reg -= 4; + default: + shift = ((off + 1) & 7) * 4; + break; + } + + if (s3c_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0xf << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} + +static struct s3c_gpio_cfg s5p6440_gpio_cfgs[] = { + { + .cfg_eint = 0, + }, { + .cfg_eint = 7, + }, { + .cfg_eint = 3, + .set_config = s5p6440_gpio_setcfg_4bit_rbank, + }, { + .cfg_eint = 0, + .set_config = s3c_gpio_setcfg_s3c24xx, + }, { + .cfg_eint = 2, + .set_config = s3c_gpio_setcfg_s3c24xx, + }, { + .cfg_eint = 3, + .set_config = s3c_gpio_setcfg_s3c24xx, + }, +}; + +static struct s3c_gpio_chip s5p6440_gpio_4bit[] = { + { + .base = S5P6440_GPA_BASE, + .config = &s5p6440_gpio_cfgs[1], + .chip = { + .base = S5P6440_GPA(0), + .ngpio = S5P6440_GPIO_A_NR, + .label = "GPA", + }, + }, { + .base = S5P6440_GPB_BASE, + .config = &s5p6440_gpio_cfgs[1], + .chip = { + .base = S5P6440_GPB(0), + .ngpio = S5P6440_GPIO_B_NR, + .label = "GPB", + }, + }, { + .base = S5P6440_GPC_BASE, + .config = &s5p6440_gpio_cfgs[1], + .chip = { + .base = S5P6440_GPC(0), + .ngpio = S5P6440_GPIO_C_NR, + .label = "GPC", + }, + }, { + .base = S5P6440_GPG_BASE, + .config = &s5p6440_gpio_cfgs[1], + .chip = { + .base = S5P6440_GPG(0), + .ngpio = S5P6440_GPIO_G_NR, + .label = "GPG", + }, + }, +}; + +static struct s3c_gpio_chip s5p6440_gpio_4bit2[] = { + { + .base = S5P6440_GPH_BASE + 0x4, + .config = &s5p6440_gpio_cfgs[1], + .chip = { + .base = S5P6440_GPH(0), + .ngpio = S5P6440_GPIO_H_NR, + .label = "GPH", + }, + }, +}; + +static struct s3c_gpio_chip gpio_rbank_4bit2[] = { + { + .base = S5P6440_GPR_BASE + 0x4, + .config = &s5p6440_gpio_cfgs[2], + .chip = { + .base = S5P6440_GPR(0), + .ngpio = S5P6440_GPIO_R_NR, + .label = "GPR", + }, + }, +}; + +static struct s3c_gpio_chip s5p6440_gpio_2bit[] = { + { + .base = S5P6440_GPF_BASE, + .config = &s5p6440_gpio_cfgs[5], + .chip = { + .base = S5P6440_GPF(0), + .ngpio = S5P6440_GPIO_F_NR, + .label = "GPF", + }, + }, { + .base = S5P6440_GPI_BASE, + .config = &s5p6440_gpio_cfgs[3], + .chip = { + .base = S5P6440_GPI(0), + .ngpio = S5P6440_GPIO_I_NR, + .label = "GPI", + }, + }, { + .base = S5P6440_GPJ_BASE, + .config = &s5p6440_gpio_cfgs[3], + .chip = { + .base = S5P6440_GPJ(0), + .ngpio = S5P6440_GPIO_J_NR, + .label = "GPJ", + }, + }, { + .base = S5P6440_GPN_BASE, + .config = &s5p6440_gpio_cfgs[4], + .chip = { + .base = S5P6440_GPN(0), + .ngpio = S5P6440_GPIO_N_NR, + .label = "GPN", + }, + }, { + .base = S5P6440_GPP_BASE, + .config = &s5p6440_gpio_cfgs[5], + .chip = { + .base = S5P6440_GPP(0), + .ngpio = S5P6440_GPIO_P_NR, + .label = "GPP", + }, + }, +}; + +void __init s5p6440_gpiolib_set_cfg(struct s3c_gpio_cfg *chipcfg, int nr_chips) +{ + for (; nr_chips > 0; nr_chips--, chipcfg++) { + if (!chipcfg->set_config) + chipcfg->set_config = s3c_gpio_setcfg_s3c64xx_4bit; + if (!chipcfg->set_pull) + chipcfg->set_pull = s3c_gpio_setpull_updown; + if (!chipcfg->get_pull) + chipcfg->get_pull = s3c_gpio_getpull_updown; + } +} + +static void __init s5p6440_gpio_add_rbank_4bit2(struct s3c_gpio_chip *chip, + int nr_chips) +{ + for (; nr_chips > 0; nr_chips--, chip++) { + chip->chip.direction_input = s5p6440_gpiolib_rbank_4bit2_input; + chip->chip.direction_output = + s5p6440_gpiolib_rbank_4bit2_output; + s3c_gpiolib_add(chip); + } +} + +static int __init s5p6440_gpiolib_init(void) +{ + struct s3c_gpio_chip *chips = s5p6440_gpio_2bit; + int nr_chips = ARRAY_SIZE(s5p6440_gpio_2bit); + + s5p6440_gpiolib_set_cfg(s5p6440_gpio_cfgs, + ARRAY_SIZE(s5p6440_gpio_cfgs)); + + for (; nr_chips > 0; nr_chips--, chips++) + s3c_gpiolib_add(chips); + + samsung_gpiolib_add_4bit_chips(s5p6440_gpio_4bit, + ARRAY_SIZE(s5p6440_gpio_4bit)); + + samsung_gpiolib_add_4bit2_chips(s5p6440_gpio_4bit2, + ARRAY_SIZE(s5p6440_gpio_4bit2)); + + s5p6440_gpio_add_rbank_4bit2(gpio_rbank_4bit2, + ARRAY_SIZE(gpio_rbank_4bit2)); + + return 0; +} +arch_initcall(s5p6440_gpiolib_init); diff --git a/arch/arm/mach-s5p6440/include/mach/debug-macro.S b/arch/arm/mach-s5p6440/include/mach/debug-macro.S new file mode 100644 index 000000000000..1347d7f99079 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/debug-macro.S @@ -0,0 +1,37 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/debug-macro.S + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* pull in the relevant register and map files. */ + +#include <mach/map.h> +#include <plat/regs-serial.h> + + /* note, for the boot process to work we have to keep the UART + * virtual address aligned to an 1MiB boundary for the L1 + * mapping the head code makes. We keep the UART virtual address + * aligned and add in the offset when we load the value here. + */ + + .macro addruart, rx, rtmp + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 + ldreq \rx, = S3C_PA_UART + ldrne \rx, = S3C_VA_UART +#if CONFIG_DEBUG_S3C_UART != 0 + add \rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART) +#endif + .endm + +/* include the reset of the code which will do the work, we're only + * compiling for a single cpu processor type so the default of s3c2440 + * will be fine with us. + */ + +#include <plat/debug-macro.S> diff --git a/arch/arm/mach-s5p6440/include/mach/entry-macro.S b/arch/arm/mach-s5p6440/include/mach/entry-macro.S new file mode 100644 index 000000000000..e65f1b967262 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/entry-macro.S @@ -0,0 +1,16 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/entry-macro.S + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Low-level IRQ helper macros for the Samsung S5P6440 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <mach/map.h> +#include <plat/irqs.h> + +#include <asm/entry-macro-vic2.S> diff --git a/arch/arm/mach-s5p6440/include/mach/gpio.h b/arch/arm/mach-s5p6440/include/mach/gpio.h new file mode 100644 index 000000000000..21783834f2a2 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/gpio.h @@ -0,0 +1,80 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/gpio.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - GPIO lib support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_GPIO_H +#define __ASM_ARCH_GPIO_H __FILE__ + +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep +#define gpio_to_irq __gpio_to_irq + +/* GPIO bank sizes */ +#define S5P6440_GPIO_A_NR (6) +#define S5P6440_GPIO_B_NR (7) +#define S5P6440_GPIO_C_NR (8) +#define S5P6440_GPIO_F_NR (2) +#define S5P6440_GPIO_G_NR (7) +#define S5P6440_GPIO_H_NR (10) +#define S5P6440_GPIO_I_NR (16) +#define S5P6440_GPIO_J_NR (12) +#define S5P6440_GPIO_N_NR (16) +#define S5P6440_GPIO_P_NR (8) +#define S5P6440_GPIO_R_NR (15) + +/* GPIO bank numbers */ + +/* CONFIG_S3C_GPIO_SPACE allows the user to select extra + * space for debugging purposes so that any accidental + * change from one gpio bank to another can be caught. +*/ +#define S5P6440_GPIO_NEXT(__gpio) \ + ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1) + +enum s5p_gpio_number { + S5P6440_GPIO_A_START = 0, + S5P6440_GPIO_B_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_A), + S5P6440_GPIO_C_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_B), + S5P6440_GPIO_F_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_C), + S5P6440_GPIO_G_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_F), + S5P6440_GPIO_H_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_G), + S5P6440_GPIO_I_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_H), + S5P6440_GPIO_J_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_I), + S5P6440_GPIO_N_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_J), + S5P6440_GPIO_P_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_N), + S5P6440_GPIO_R_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_P), +}; + +/* S5P6440 GPIO number definitions. */ +#define S5P6440_GPA(_nr) (S5P6440_GPIO_A_START + (_nr)) +#define S5P6440_GPB(_nr) (S5P6440_GPIO_B_START + (_nr)) +#define S5P6440_GPC(_nr) (S5P6440_GPIO_C_START + (_nr)) +#define S5P6440_GPF(_nr) (S5P6440_GPIO_F_START + (_nr)) +#define S5P6440_GPG(_nr) (S5P6440_GPIO_G_START + (_nr)) +#define S5P6440_GPH(_nr) (S5P6440_GPIO_H_START + (_nr)) +#define S5P6440_GPI(_nr) (S5P6440_GPIO_I_START + (_nr)) +#define S5P6440_GPJ(_nr) (S5P6440_GPIO_J_START + (_nr)) +#define S5P6440_GPN(_nr) (S5P6440_GPIO_N_START + (_nr)) +#define S5P6440_GPP(_nr) (S5P6440_GPIO_P_START + (_nr)) +#define S5P6440_GPR(_nr) (S5P6440_GPIO_R_START + (_nr)) + +/* the end of the S5P6440 specific gpios */ +#define S5P6440_GPIO_END (S5P6440_GPR(S5P6440_GPIO_R_NR) + 1) +#define S3C_GPIO_END S5P6440_GPIO_END + +/* define the number of gpios we need to the one after the GPR() range */ +#define ARCH_NR_GPIOS (S5P6440_GPR(S5P6440_GPIO_R_NR) + \ + CONFIG_SAMSUNG_GPIO_EXTRA + 1) + +#include <asm-generic/gpio.h> + +#endif /* __ASM_ARCH_GPIO_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/hardware.h b/arch/arm/mach-s5p6440/include/mach/hardware.h new file mode 100644 index 000000000000..be8b26e875db --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/hardware.h @@ -0,0 +1,18 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/hardware.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - Hardware support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H __FILE__ + +/* currently nothing here, placeholder */ + +#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/io.h b/arch/arm/mach-s5p6440/include/mach/io.h new file mode 100644 index 000000000000..fa2d69cb1ad7 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/io.h @@ -0,0 +1,18 @@ +/* arch/arm/mach-s5p6440/include/mach/io.h + * + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben-linux@fluff.org> + * + * Default IO routines for S3C64XX based + */ + +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +/* No current ISA/PCI bus support. */ +#define __io(a) __typesafe_io(a) +#define __mem_pci(a) (a) + +#define IO_SPACE_LIMIT (0xFFFFFFFF) + +#endif diff --git a/arch/arm/mach-s5p6440/include/mach/irqs.h b/arch/arm/mach-s5p6440/include/mach/irqs.h new file mode 100644 index 000000000000..a4b9b40d18f2 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/irqs.h @@ -0,0 +1,111 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/irqs.h + * + * Copyright 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - IRQ definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_S5P_IRQS_H +#define __ASM_ARCH_S5P_IRQS_H __FILE__ + +#include <plat/irqs.h> + +/* VIC0 */ + +#define IRQ_EINT0_3 S5P_IRQ_VIC0(0) +#define IRQ_EINT4_11 S5P_IRQ_VIC0(1) +#define IRQ_RTC_TIC S5P_IRQ_VIC0(2) +#define IRQ_IIC1 S5P_IRQ_VIC0(5) +#define IRQ_I2SV40 S5P_IRQ_VIC0(6) +#define IRQ_GPS S5P_IRQ_VIC0(7) +#define IRQ_POST0 S5P_IRQ_VIC0(9) +#define IRQ_2D S5P_IRQ_VIC0(11) +#define IRQ_TIMER0_VIC S5P_IRQ_VIC0(23) +#define IRQ_TIMER1_VIC S5P_IRQ_VIC0(24) +#define IRQ_TIMER2_VIC S5P_IRQ_VIC0(25) +#define IRQ_WDT S5P_IRQ_VIC0(26) +#define IRQ_TIMER3_VIC S5P_IRQ_VIC0(27) +#define IRQ_TIMER4_VIC S5P_IRQ_VIC0(28) +#define IRQ_DISPCON0 S5P_IRQ_VIC0(29) +#define IRQ_DISPCON1 S5P_IRQ_VIC0(30) +#define IRQ_DISPCON2 S5P_IRQ_VIC0(31) + +/* VIC1 */ + +#define IRQ_EINT12_15 S5P_IRQ_VIC1(0) +#define IRQ_PCM0 S5P_IRQ_VIC1(2) +#define IRQ_UART0 S5P_IRQ_VIC1(5) +#define IRQ_UART1 S5P_IRQ_VIC1(6) +#define IRQ_UART2 S5P_IRQ_VIC1(7) +#define IRQ_UART3 S5P_IRQ_VIC1(8) +#define IRQ_DMA0 S5P_IRQ_VIC1(9) +#define IRQ_NFC S5P_IRQ_VIC1(13) +#define IRQ_SPI0 S5P_IRQ_VIC1(16) +#define IRQ_SPI1 S5P_IRQ_VIC1(17) +#define IRQ_IIC S5P_IRQ_VIC1(18) +#define IRQ_DISPCON3 S5P_IRQ_VIC1(19) +#define IRQ_FIMGVG S5P_IRQ_VIC1(20) +#define IRQ_EINT_GROUPS S5P_IRQ_VIC1(21) +#define IRQ_PMUIRQ S5P_IRQ_VIC1(23) +#define IRQ_HSMMC0 S5P_IRQ_VIC1(24) +#define IRQ_HSMMC1 S5P_IRQ_VIC1(25) +#define IRQ_HSMMC2 IRQ_SPI1 /* shared with SPI1 */ +#define IRQ_OTG S5P_IRQ_VIC1(26) +#define IRQ_DSI S5P_IRQ_VIC1(27) +#define IRQ_RTC_ALARM S5P_IRQ_VIC1(28) +#define IRQ_TSI S5P_IRQ_VIC1(29) +#define IRQ_PENDN S5P_IRQ_VIC1(30) +#define IRQ_TC IRQ_PENDN +#define IRQ_ADC S5P_IRQ_VIC1(31) + +/* + * Since the IRQ_EINT(x) are a linear mapping on s5p6440 we just defined + * them as an IRQ_EINT(x) macro from S5P_IRQ_EINT_BASE which we place + * after the pair of VICs. + */ + +#define S5P_IRQ_EINT_BASE (S5P_IRQ_VIC1(31) + 6) + +#define S5P_EINT(x) ((x) + S5P_IRQ_EINT_BASE) +#define IRQ_EINT(x) S5P_EINT(x) + +/* + * Next the external interrupt groups. These are similar to the IRQ_EINT(x) + * that they are sourced from the GPIO pins but with a different scheme for + * priority and source indication. + * + * The IRQ_EINT(x) can be thought of as 'group 0' of the available GPIO + * interrupts, but for historical reasons they are kept apart from these + * next interrupts. + * + * Use IRQ_EINT_GROUP(group, offset) to get the number for use in the + * machine specific support files. + */ + +/* Actually, #6 and #7 are missing in the EINT_GROUP1 */ +#define IRQ_EINT_GROUP1_NR (15) +#define IRQ_EINT_GROUP2_NR (8) +#define IRQ_EINT_GROUP5_NR (7) +#define IRQ_EINT_GROUP6_NR (10) +/* Actually, #0, #1 and #2 are missing in the EINT_GROUP8 */ +#define IRQ_EINT_GROUP8_NR (11) + +#define IRQ_EINT_GROUP_BASE S5P_EINT(16) +#define IRQ_EINT_GROUP1_BASE (IRQ_EINT_GROUP_BASE + 0) +#define IRQ_EINT_GROUP2_BASE (IRQ_EINT_GROUP1_BASE + IRQ_EINT_GROUP1_NR) +#define IRQ_EINT_GROUP5_BASE (IRQ_EINT_GROUP2_BASE + IRQ_EINT_GROUP2_NR) +#define IRQ_EINT_GROUP6_BASE (IRQ_EINT_GROUP5_BASE + IRQ_EINT_GROUP5_NR) +#define IRQ_EINT_GROUP8_BASE (IRQ_EINT_GROUP6_BASE + IRQ_EINT_GROUP6_NR) + +#define IRQ_EINT_GROUP(grp, x) (IRQ_EINT_GROUP##grp##_BASE + (x)) + +/* Set the default NR_IRQS */ + +#define NR_IRQS (IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR + 1) + +#endif /* __ASM_ARCH_S5P_IRQS_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h new file mode 100644 index 000000000000..8924e5a4d6a6 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/map.h @@ -0,0 +1,68 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/map.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_MAP_H +#define __ASM_ARCH_MAP_H __FILE__ + +#include <plat/map-base.h> +#include <plat/map-s5p.h> + +#define S5P6440_PA_CHIPID (0xE0000000) +#define S5P_PA_CHIPID S5P6440_PA_CHIPID + +#define S5P6440_PA_SYSCON (0xE0100000) +#define S5P6440_PA_CLK (S5P6440_PA_SYSCON + 0x0) +#define S5P_PA_SYSCON S5P6440_PA_SYSCON + +#define S5P6440_PA_GPIO (0xE0308000) +#define S5P_PA_GPIO S5P6440_PA_GPIO + +#define S5P6440_PA_VIC0 (0xE4000000) +#define S5P_PA_VIC0 S5P6440_PA_VIC0 + +#define S5P6440_PA_VIC1 (0xE4100000) +#define S5P_PA_VIC1 S5P6440_PA_VIC1 + +#define S5P6440_PA_TIMER (0xEA000000) +#define S5P_PA_TIMER S5P6440_PA_TIMER + +#define S5P6440_PA_RTC (0xEA100000) +#define S5P_PA_RTC S5P6440_PA_RTC + +#define S5P6440_PA_WDT (0xEA200000) +#define S5P_PA_WDT S5P6440_PA_WDT + +#define S5P6440_PA_UART (0xEC000000) + +#define S5P_PA_UART0 (S5P6440_PA_UART + 0x0) +#define S5P_PA_UART1 (S5P6440_PA_UART + 0x400) +#define S5P_PA_UART2 (S5P6440_PA_UART + 0x800) +#define S5P_PA_UART3 (S5P6440_PA_UART + 0xC00) + +#define S5P_SZ_UART SZ_256 + +#define S5P6440_PA_IIC0 (0xEC104000) + +#define S5P6440_PA_HSOTG (0xED100000) + +#define S5P6440_PA_HSMMC0 (0xED800000) +#define S5P6440_PA_HSMMC1 (0xED900000) +#define S5P6440_PA_HSMMC2 (0xEDA00000) + +#define S5P6440_PA_SDRAM (0x20000000) +#define S5P_PA_SDRAM S5P6440_PA_SDRAM + +/* compatibiltiy defines. */ +#define S3C_PA_UART S5P6440_PA_UART +#define S3C_PA_IIC S5P6440_PA_IIC0 + +#endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/memory.h b/arch/arm/mach-s5p6440/include/mach/memory.h new file mode 100644 index 000000000000..d62910c71b56 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/memory.h @@ -0,0 +1,19 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/memory.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - Memory definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#define PHYS_OFFSET UL(0x20000000) +#define CONSISTENT_DMA_SIZE SZ_8M + +#endif /* __ASM_ARCH_MEMORY_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/pwm-clock.h b/arch/arm/mach-s5p6440/include/mach/pwm-clock.h new file mode 100644 index 000000000000..c4bb7c555477 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/pwm-clock.h @@ -0,0 +1,62 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/pwm-clock.h + * + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * Copyright 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - pwm clock and timer support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/** + * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk + * @cfg: The timer TCFG1 register bits shifted down to 0. + * + * Return true if the given configuration from TCFG1 is a TCLK instead + * any of the TDIV clocks. + */ +static inline int pwm_cfg_src_is_tclk(unsigned long tcfg) +{ + return tcfg == S3C2410_TCFG1_MUX_TCLK; +} + +/** + * tcfg_to_divisor() - convert tcfg1 setting to a divisor + * @tcfg1: The tcfg1 setting, shifted down. + * + * Get the divisor value for the given tcfg1 setting. We assume the + * caller has already checked to see if this is not a TCLK source. + */ +static inline unsigned long tcfg_to_divisor(unsigned long tcfg1) +{ + return 1 << (1 + tcfg1); +} + +/** + * pwm_tdiv_has_div1() - does the tdiv setting have a /1 + * + * Return true if we have a /1 in the tdiv setting. + */ +static inline unsigned int pwm_tdiv_has_div1(void) +{ + return 0; +} + +/** + * pwm_tdiv_div_bits() - calculate TCFG1 divisor value. + * @div: The divisor to calculate the bit information for. + * + * Turn a divisor into the necessary bit field for TCFG1. + */ +static inline unsigned long pwm_tdiv_div_bits(unsigned int div) +{ + return ilog2(div) - 1; +} + +#define S3C_TCFG1_MUX_TCLK S3C2410_TCFG1_MUX_TCLK diff --git a/arch/arm/mach-s5p6440/include/mach/regs-clock.h b/arch/arm/mach-s5p6440/include/mach/regs-clock.h new file mode 100644 index 000000000000..c783ecc9f193 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/regs-clock.h @@ -0,0 +1,130 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/regs-clock.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - Clock register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_REGS_CLOCK_H +#define __ASM_ARCH_REGS_CLOCK_H __FILE__ + +#include <mach/map.h> + +#define S5P_CLKREG(x) (S3C_VA_SYS + (x)) + +#define S5P_APLL_LOCK S5P_CLKREG(0x00) +#define S5P_MPLL_LOCK S5P_CLKREG(0x04) +#define S5P_EPLL_LOCK S5P_CLKREG(0x08) +#define S5P_APLL_CON S5P_CLKREG(0x0C) +#define S5P_MPLL_CON S5P_CLKREG(0x10) +#define S5P_EPLL_CON S5P_CLKREG(0x14) +#define S5P_EPLL_CON_K S5P_CLKREG(0x18) +#define S5P_CLK_SRC0 S5P_CLKREG(0x1C) +#define S5P_CLK_DIV0 S5P_CLKREG(0x20) +#define S5P_CLK_DIV1 S5P_CLKREG(0x24) +#define S5P_CLK_DIV2 S5P_CLKREG(0x28) +#define S5P_CLK_OUT S5P_CLKREG(0x2C) +#define S5P_CLK_GATE_HCLK0 S5P_CLKREG(0x30) +#define S5P_CLK_GATE_PCLK S5P_CLKREG(0x34) +#define S5P_CLK_GATE_SCLK0 S5P_CLKREG(0x38) +#define S5P_CLK_GATE_MEM0 S5P_CLKREG(0x3C) +#define S5P_CLK_DIV3 S5P_CLKREG(0x40) +#define S5P_CLK_GATE_HCLK1 S5P_CLKREG(0x44) +#define S5P_CLK_GATE_SCLK1 S5P_CLKREG(0x48) +#define S5P_AHB_CON0 S5P_CLKREG(0x100) +#define S5P_CLK_SRC1 S5P_CLKREG(0x10C) +#define S5P_SWRESET S5P_CLKREG(0x114) +#define S5P_SYS_ID S5P_CLKREG(0x118) +#define S5P_SYS_OTHERS S5P_CLKREG(0x11C) +#define S5P_MEM_CFG_STAT S5P_CLKREG(0x12C) +#define S5P_PWR_CFG S5P_CLKREG(0x804) +#define S5P_EINT_WAKEUP_MASK S5P_CLKREG(0x808) +#define S5P_NORMAL_CFG S5P_CLKREG(0x810) +#define S5P_STOP_CFG S5P_CLKREG(0x814) +#define S5P_SLEEP_CFG S5P_CLKREG(0x818) +#define S5P_OSC_FREQ S5P_CLKREG(0x820) +#define S5P_OSC_STABLE S5P_CLKREG(0x824) +#define S5P_PWR_STABLE S5P_CLKREG(0x828) +#define S5P_MTC_STABLE S5P_CLKREG(0x830) +#define S5P_OTHERS S5P_CLKREG(0x900) +#define S5P_RST_STAT S5P_CLKREG(0x904) +#define S5P_WAKEUP_STAT S5P_CLKREG(0x908) +#define S5P_SLPEN S5P_CLKREG(0x930) +#define S5P_INFORM0 S5P_CLKREG(0xA00) +#define S5P_INFORM1 S5P_CLKREG(0xA04) +#define S5P_INFORM2 S5P_CLKREG(0xA08) +#define S5P_INFORM3 S5P_CLKREG(0xA0C) + +/* CLKDIV0 */ +#define S5P_CLKDIV0_PCLK_MASK (0xf << 12) +#define S5P_CLKDIV0_PCLK_SHIFT (12) +#define S5P_CLKDIV0_HCLK_MASK (0xf << 8) +#define S5P_CLKDIV0_HCLK_SHIFT (8) +#define S5P_CLKDIV0_MPLL_MASK (0x1 << 4) +#define S5P_CLKDIV0_ARM_MASK (0xf << 0) +#define S5P_CLKDIV0_ARM_SHIFT (0) + +/* CLKDIV3 */ +#define S5P_CLKDIV3_PCLK_LOW_MASK (0xf << 12) +#define S5P_CLKDIV3_PCLK_LOW_SHIFT (12) +#define S5P_CLKDIV3_HCLK_LOW_MASK (0xf << 8) +#define S5P_CLKDIV3_HCLK_LOW_SHIFT (8) + +/* HCLK0 GATE Registers */ +#define S5P_CLKCON_HCLK0_USB (1<<20) +#define S5P_CLKCON_HCLK0_HSMMC2 (1<<19) +#define S5P_CLKCON_HCLK0_HSMMC1 (1<<18) +#define S5P_CLKCON_HCLK0_HSMMC0 (1<<17) +#define S5P_CLKCON_HCLK0_POST0 (1<<5) + +/* HCLK1 GATE Registers */ +#define S5P_CLKCON_HCLK1_DISPCON (1<<1) + +/* PCLK GATE Registers */ +#define S5P_CLKCON_PCLK_IIS2 (1<<26) +#define S5P_CLKCON_PCLK_SPI1 (1<<22) +#define S5P_CLKCON_PCLK_SPI0 (1<<21) +#define S5P_CLKCON_PCLK_GPIO (1<<18) +#define S5P_CLKCON_PCLK_IIC0 (1<<17) +#define S5P_CLKCON_PCLK_TSADC (1<<12) +#define S5P_CLKCON_PCLK_PWM (1<<7) +#define S5P_CLKCON_PCLK_RTC (1<<6) +#define S5P_CLKCON_PCLK_WDT (1<<5) +#define S5P_CLKCON_PCLK_UART3 (1<<4) +#define S5P_CLKCON_PCLK_UART2 (1<<3) +#define S5P_CLKCON_PCLK_UART1 (1<<2) +#define S5P_CLKCON_PCLK_UART0 (1<<1) + +/* SCLK0 GATE Registers */ +#define S5P_CLKCON_SCLK0_MMC2_48 (1<<29) +#define S5P_CLKCON_SCLK0_MMC1_48 (1<<28) +#define S5P_CLKCON_SCLK0_MMC0_48 (1<<27) +#define S5P_CLKCON_SCLK0_MMC2 (1<<26) +#define S5P_CLKCON_SCLK0_MMC1 (1<<25) +#define S5P_CLKCON_SCLK0_MMC0 (1<<24) +#define S5P_CLKCON_SCLK0_SPI1_48 (1<<23) +#define S5P_CLKCON_SCLK0_SPI0_48 (1<<22) +#define S5P_CLKCON_SCLK0_SPI1 (1<<21) +#define S5P_CLKCON_SCLK0_SPI0 (1<<20) +#define S5P_CLKCON_SCLK0_UART (1<<5) + +/* SCLK1 GATE Registers */ + +/* MEM0 GATE Registers */ +#define S5P_CLKCON_MEM0_HCLK_NFCON (1<<2) + +/*OTHERS Resgister */ +#define S5P_OTHERS_USB_SIG_MASK (1<<16) +#define S5P_OTHERS_HCLK_LOW_SEL_MPLL (1<<6) + +/* Compatibility defines */ +#define ARM_CLK_DIV S5P_CLK_DIV0 +#define ARM_DIV_RATIO_SHIFT 0 +#define ARM_DIV_MASK (0xf << ARM_DIV_RATIO_SHIFT) + +#endif /* __ASM_ARCH_REGS_CLOCK_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/regs-gpio.h b/arch/arm/mach-s5p6440/include/mach/regs-gpio.h new file mode 100644 index 000000000000..82ff753913da --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/regs-gpio.h @@ -0,0 +1,54 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/regs-gpio.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - GPIO register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARCH_REGS_GPIO_H +#define __ASM_ARCH_REGS_GPIO_H __FILE__ + +#include <mach/map.h> + +/* Base addresses for each of the banks */ +#define S5P6440_GPA_BASE (S5P_VA_GPIO + 0x0000) +#define S5P6440_GPB_BASE (S5P_VA_GPIO + 0x0020) +#define S5P6440_GPC_BASE (S5P_VA_GPIO + 0x0040) +#define S5P6440_GPF_BASE (S5P_VA_GPIO + 0x00A0) +#define S5P6440_GPG_BASE (S5P_VA_GPIO + 0x00C0) +#define S5P6440_GPH_BASE (S5P_VA_GPIO + 0x00E0) +#define S5P6440_GPI_BASE (S5P_VA_GPIO + 0x0100) +#define S5P6440_GPJ_BASE (S5P_VA_GPIO + 0x0120) +#define S5P6440_GPN_BASE (S5P_VA_GPIO + 0x0830) +#define S5P6440_GPP_BASE (S5P_VA_GPIO + 0x0160) +#define S5P6440_GPR_BASE (S5P_VA_GPIO + 0x0290) +#define S5P6440_EINT0CON0 (S5P_VA_GPIO + 0x900) +#define S5P6440_EINT0FLTCON0 (S5P_VA_GPIO + 0x910) +#define S5P6440_EINT0FLTCON1 (S5P_VA_GPIO + 0x914) +#define S5P6440_EINT0MASK (S5P_VA_GPIO + 0x920) +#define S5P6440_EINT0PEND (S5P_VA_GPIO + 0x924) + +/* for LCD */ +#define S5P6440_SPCON_LCD_SEL_RGB (1 << 0) +#define S5P6440_SPCON_LCD_SEL_MASK (3 << 0) + +/* These set of macros are not really useful for the + * GPF/GPI/GPJ/GPN/GPP, + * useful for others set of GPIO's (4 bit) + */ +#define S5P6440_GPIO_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S5P6440_GPIO_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S5P6440_GPIO_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +/* Use these macros for GPF/GPI/GPJ/GPN/GPP set of GPIO (2 bit) + * */ +#define S5P6440_GPIO2_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S5P6440_GPIO2_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S5P6440_GPIO2_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#endif /* __ASM_ARCH_REGS_GPIO_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/regs-irq.h b/arch/arm/mach-s5p6440/include/mach/regs-irq.h new file mode 100644 index 000000000000..a961f4beeb0c --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/regs-irq.h @@ -0,0 +1,19 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/regs-irq.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - IRQ register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_REGS_IRQ_H +#define __ASM_ARCH_REGS_IRQ_H __FILE__ + +#include <asm/hardware/vic.h> +#include <mach/map.h> + +#endif /* __ASM_ARCH_REGS_IRQ_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/system.h b/arch/arm/mach-s5p6440/include/mach/system.h new file mode 100644 index 000000000000..d2dd817da66a --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/system.h @@ -0,0 +1,26 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/system.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - system support header + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H __FILE__ + +static void arch_idle(void) +{ + /* nothing here yet */ +} + +static void arch_reset(char mode, const char *cmd) +{ + /* nothing here yet */ +} + +#endif /* __ASM_ARCH_SYSTEM_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/tick.h b/arch/arm/mach-s5p6440/include/mach/tick.h new file mode 100644 index 000000000000..2f25c7f07970 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/tick.h @@ -0,0 +1,24 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/tick.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - Timer tick support definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_TICK_H +#define __ASM_ARCH_TICK_H __FILE__ + +static inline u32 s3c24xx_ostimer_pending(void) +{ + u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS); + return pend & (1 << (IRQ_TIMER4_VIC - S5P_IRQ_VIC0(0))); +} + +#define TICK_MAX (0xffffffff) + +#endif /* __ASM_ARCH_TICK_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/timex.h b/arch/arm/mach-s5p6440/include/mach/timex.h new file mode 100644 index 000000000000..fb2e8cd40829 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/timex.h @@ -0,0 +1,24 @@ +/* arch/arm/mach-s3c64xx/include/mach/timex.h + * + * Copyright (c) 2003-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C6400 - time parameters + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_TIMEX_H +#define __ASM_ARCH_TIMEX_H + +/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it + * a variable is useless. It seems as long as we make our timers an + * exact multiple of HZ, any value that makes a 1->1 correspondence + * for the time conversion functions to/from jiffies is acceptable. +*/ + +#define CLOCK_TICK_RATE 12000000 + +#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/uncompress.h b/arch/arm/mach-s5p6440/include/mach/uncompress.h new file mode 100644 index 000000000000..7c1f600d65c0 --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/uncompress.h @@ -0,0 +1,24 @@ +/* linux/arch/arm/mach-s5p6440/include/mach/uncompress.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - uncompress code + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_UNCOMPRESS_H +#define __ASM_ARCH_UNCOMPRESS_H + +#include <mach/map.h> +#include <plat/uncompress.h> + +static void arch_detect_cpu(void) +{ + /* we do not need to do any cpu detection here at the moment. */ +} + +#endif /* __ASM_ARCH_UNCOMPRESS_H */ diff --git a/arch/arm/mach-s5p6440/include/mach/vmalloc.h b/arch/arm/mach-s5p6440/include/mach/vmalloc.h new file mode 100644 index 000000000000..16df257b1dce --- /dev/null +++ b/arch/arm/mach-s5p6440/include/mach/vmalloc.h @@ -0,0 +1,17 @@ +/* arch/arm/mach-s5p6440/include/mach/vmalloc.h + * + * Copyright 2010 Ben Dooks <ben-linux@fluff.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C6400 vmalloc definition +*/ + +#ifndef __ASM_ARCH_VMALLOC_H +#define __ASM_ARCH_VMALLOC_H + +#define VMALLOC_END (0xE0000000) + +#endif /* __ASM_ARCH_VMALLOC_H */ diff --git a/arch/arm/mach-s5p6440/init.c b/arch/arm/mach-s5p6440/init.c new file mode 100644 index 000000000000..a1f3727e4021 --- /dev/null +++ b/arch/arm/mach-s5p6440/init.c @@ -0,0 +1,52 @@ +/* linux/arch/arm/mach-s5p6440/init.c + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6440 - Init support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/serial_core.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/s5p6440.h> +#include <plat/regs-serial.h> + +static struct s3c24xx_uart_clksrc s5p6440_serial_clocks[] = { + [0] = { + .name = "pclk_low", + .divisor = 1, + .min_baud = 0, + .max_baud = 0, + }, + [1] = { + .name = "uclk1", + .divisor = 1, + .min_baud = 0, + .max_baud = 0, + }, +}; + +/* uart registration process */ +void __init s5p6440_common_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + struct s3c2410_uartcfg *tcfg = cfg; + u32 ucnt; + + for (ucnt = 0; ucnt < no; ucnt++, tcfg++) { + if (!tcfg->clocks) { + tcfg->clocks = s5p6440_serial_clocks; + tcfg->clocks_size = ARRAY_SIZE(s5p6440_serial_clocks); + } + } + + s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no); +} diff --git a/arch/arm/mach-s5p6440/mach-smdk6440.c b/arch/arm/mach-s5p6440/mach-smdk6440.c new file mode 100644 index 000000000000..3ae88f2c7c77 --- /dev/null +++ b/arch/arm/mach-s5p6440/mach-smdk6440.c @@ -0,0 +1,111 @@ +/* linux/arch/arm/mach-s5p6440/mach-smdk6440.c + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/serial_core.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/clk.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/map.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <plat/regs-serial.h> + +#include <plat/s5p6440.h> +#include <plat/clock.h> +#include <mach/regs-clock.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/pll.h> + +#define S5P6440_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ + S3C2410_UCON_RXILEVEL | \ + S3C2410_UCON_TXIRQMODE | \ + S3C2410_UCON_RXIRQMODE | \ + S3C2410_UCON_RXFIFO_TOI | \ + S3C2443_UCON_RXERR_IRQEN) + +#define S5P6440_ULCON_DEFAULT S3C2410_LCON_CS8 + +#define S5P6440_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ + S3C2440_UFCON_TXTRIG16 | \ + S3C2410_UFCON_RXTRIG8) + +static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = S5P6440_UCON_DEFAULT, + .ulcon = S5P6440_ULCON_DEFAULT, + .ufcon = S5P6440_UFCON_DEFAULT, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = S5P6440_UCON_DEFAULT, + .ulcon = S5P6440_ULCON_DEFAULT, + .ufcon = S5P6440_UFCON_DEFAULT, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = S5P6440_UCON_DEFAULT, + .ulcon = S5P6440_ULCON_DEFAULT, + .ufcon = S5P6440_UFCON_DEFAULT, + }, + [3] = { + .hwport = 3, + .flags = 0, + .ucon = S5P6440_UCON_DEFAULT, + .ulcon = S5P6440_ULCON_DEFAULT, + .ufcon = S5P6440_UFCON_DEFAULT, + }, +}; + +static struct platform_device *smdk6440_devices[] __initdata = { +}; + +static void __init smdk6440_map_io(void) +{ + s5p_init_io(NULL, 0, S5P_SYS_ID); + s3c24xx_init_clocks(12000000); + s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs)); +} + +static void __init smdk6440_machine_init(void) +{ + platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices)); +} + +MACHINE_START(SMDK6440, "SMDK6440") + /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */ + .phys_io = S3C_PA_UART & 0xfff00000, + .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc, + .boot_params = S5P_PA_SDRAM + 0x100, + + .init_irq = s5p6440_init_irq, + .map_io = smdk6440_map_io, + .init_machine = smdk6440_machine_init, + .timer = &s3c24xx_timer, +MACHINE_END |
