diff options
Diffstat (limited to 'arch/arm/plat-s5pc1xx')
| -rw-r--r-- | arch/arm/plat-s5pc1xx/cpu.c | 112 | ||||
| -rw-r--r-- | arch/arm/plat-s5pc1xx/include/plat/s5pc100.h | 65 | ||||
| -rw-r--r-- | arch/arm/plat-s5pc1xx/s5pc100-init.c | 27 |
3 files changed, 204 insertions, 0 deletions
diff --git a/arch/arm/plat-s5pc1xx/cpu.c b/arch/arm/plat-s5pc1xx/cpu.c new file mode 100644 index 000000000000..715a7330794d --- /dev/null +++ b/arch/arm/plat-s5pc1xx/cpu.c @@ -0,0 +1,112 @@ +/* linux/arch/arm/plat-s5pc1xx/cpu.c + * + * Copyright 2009 Samsung Electronics Co. + * Byungho Min <bhmin@samsung.com> + * + * S5PC1XX CPU Support + * + * Based on plat-s3c64xx/cpu.c + * + * 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/interrupt.h> +#include <linux/ioport.h> +#include <linux/serial_core.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/map.h> + +#include <asm/mach/map.h> + +#include <plat/regs-serial.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/clock.h> + +#include <plat/s5pc100.h> + +/* table of supported CPUs */ + +static const char name_s5pc100[] = "S5PC100"; + +static struct cpu_table cpu_ids[] __initdata = { + { + .idcode = 0x43100000, + .idmask = 0xfffff000, + .map_io = s5pc100_map_io, + .init_clocks = s5pc100_init_clocks, + .init_uarts = s5pc100_init_uarts, + .init = s5pc100_init, + .name = name_s5pc100, + }, +}; +/* minimal IO mapping */ + +/* see notes on uart map in arch/arm/mach-s5pc100/include/mach/debug-macro.S */ +#define UART_OFFS (S3C_PA_UART & 0xffff) + +static struct map_desc s5pc1xx_iodesc[] __initdata = { + { + .virtual = (unsigned long)S5PC1XX_VA_CHIPID, + .pfn = __phys_to_pfn(S5PC1XX_PA_CHIPID), + .length = SZ_16, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S5PC1XX_VA_CLK, + .pfn = __phys_to_pfn(S5PC1XX_PA_CLK), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S5PC1XX_VA_PWR, + .pfn = __phys_to_pfn(S5PC1XX_PA_PWR), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)(S5PC1XX_VA_UART), + .pfn = __phys_to_pfn(S5PC1XX_PA_UART), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S5PC1XX_VA_VIC(0), + .pfn = __phys_to_pfn(S5PC1XX_PA_VIC(0)), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S5PC1XX_VA_VIC(1), + .pfn = __phys_to_pfn(S5PC1XX_PA_VIC(1)), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S5PC1XX_VA_VIC(2), + .pfn = __phys_to_pfn(S5PC1XX_PA_VIC(2)), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S5PC1XX_VA_TIMER, + .pfn = __phys_to_pfn(S5PC1XX_PA_TIMER), + .length = SZ_256, + .type = MT_DEVICE, + }, +}; + +/* read cpu identification code */ + +void __init s5pc1xx_init_io(struct map_desc *mach_desc, int size) +{ + unsigned long idcode; + + /* initialise the io descriptors we need for initialisation */ + iotable_init(s5pc1xx_iodesc, ARRAY_SIZE(s5pc1xx_iodesc)); + iotable_init(mach_desc, size); + + idcode = __raw_readl(S5PC1XX_VA_CHIPID); + s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids)); +} diff --git a/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h b/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h new file mode 100644 index 000000000000..45e275131665 --- /dev/null +++ b/arch/arm/plat-s5pc1xx/include/plat/s5pc100.h @@ -0,0 +1,65 @@ +/* arch/arm/plat-s5pc1xx/include/plat/s5pc100.h + * + * Copyright 2009 Samsung Electronics Co. + * Byungho Min <bhmin@samsung.com> + * + * Header file for s5pc100 cpu support + * + * Based on plat-s3c64xx/include/plat/s3c6400.h + * + * 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. +*/ + +/* Common init code for S5PC100 related SoCs */ +extern int s5pc100_init(void); +extern void s5pc100_map_io(void); +extern void s5pc100_init_clocks(int xtal); +extern int s5pc100_register_baseclocks(unsigned long xtal); +extern void s5pc100_init_irq(void); +extern void s5pc100_init_io(struct map_desc *mach_desc, int size); +extern void s5pc100_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s5pc100_register_clocks(void); +extern void s5pc100_setup_clocks(void); +extern struct sysdev_class s5pc100_sysclass; + +#define s5pc100_init_uarts s5pc100_common_init_uarts + +/* Some day, belows will be moved to plat-s5pc/include/plat/cpu.h */ +extern void s5pc1xx_init_irq(u32 *vic_valid, int num); +extern void s5pc1xx_init_io(struct map_desc *mach_desc, int size); + +/* Some day, belows will be moved to plat-s5pc/include/plat/clock.h */ +extern struct clk clk_hpll; +extern struct clk clk_hd0; +extern struct clk clk_pd0; +extern struct clk clk_54m; +extern struct clk clk_dout_mpll2; +extern void s5pc1xx_register_clocks(void); +extern int s5pc1xx_sclk0_ctrl(struct clk *clk, int enable); +extern int s5pc1xx_sclk1_ctrl(struct clk *clk, int enable); + +/* Some day, belows will be moved to plat-s5pc/include/plat/devs.h */ +extern struct s3c24xx_uart_resources s5pc1xx_uart_resources[]; +extern struct platform_device s3c_device_g2d; +extern struct platform_device s3c_device_g3d; +extern struct platform_device s3c_device_vpp; +extern struct platform_device s3c_device_tvenc; +extern struct platform_device s3c_device_tvscaler; +extern struct platform_device s3c_device_rotator; +extern struct platform_device s3c_device_jpeg; +extern struct platform_device s3c_device_onenand; +extern struct platform_device s3c_device_usb_otghcd; +extern struct platform_device s3c_device_keypad; +extern struct platform_device s3c_device_ts; +extern struct platform_device s3c_device_g3d; +extern struct platform_device s3c_device_smc911x; +extern struct platform_device s3c_device_fimc0; +extern struct platform_device s3c_device_fimc1; +extern struct platform_device s3c_device_mfc; +extern struct platform_device s3c_device_ac97; +extern struct platform_device s3c_device_fimc0; +extern struct platform_device s3c_device_fimc1; +extern struct platform_device s3c_device_fimc2; + diff --git a/arch/arm/plat-s5pc1xx/s5pc100-init.c b/arch/arm/plat-s5pc1xx/s5pc100-init.c new file mode 100644 index 000000000000..c58710884ceb --- /dev/null +++ b/arch/arm/plat-s5pc1xx/s5pc100-init.c @@ -0,0 +1,27 @@ +/* linux/arch/arm/plat-s5pc1xx/s5pc100-init.c + * + * Copyright 2009 Samsung Electronics Co. + * Byungho Min <bhmin@samsung.com> + * + * S5PC100 - CPU initialisation (common with other S5PC1XX chips) + * + * 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 <plat/cpu.h> +#include <plat/devs.h> +#include <plat/s5pc100.h> + +/* uart registration process */ + +void __init s5pc100_common_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + /* The driver name is s3c6400-uart to reuse s3c6400_serial_drv */ + s3c24xx_init_uartdevs("s3c6400-uart", s5pc1xx_uart_resources, cfg, no); +} |