diff options
Diffstat (limited to 'arch/arm/mach-s3c/mach-osiris.c')
| -rw-r--r-- | arch/arm/mach-s3c/mach-osiris.c | 405 |
1 files changed, 0 insertions, 405 deletions
diff --git a/arch/arm/mach-s3c/mach-osiris.c b/arch/arm/mach-s3c/mach-osiris.c deleted file mode 100644 index d900d1354de1..000000000000 --- a/arch/arm/mach-s3c/mach-osiris.c +++ /dev/null @@ -1,405 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// Copyright (c) 2005-2008 Simtec Electronics -// http://armlinux.simtec.co.uk/ -// Ben Dooks <ben@simtec.co.uk> - -#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/gpio.h> -#include <linux/device.h> -#include <linux/syscore_ops.h> -#include <linux/serial_core.h> -#include <linux/serial_s3c.h> -#include <linux/clk.h> -#include <linux/i2c.h> -#include <linux/io.h> -#include <linux/platform_device.h> - -#include <linux/mfd/tps65010.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> -#include <asm/irq.h> - -#include <linux/platform_data/mtd-nand-s3c2410.h> -#include <linux/platform_data/i2c-s3c2410.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/rawnand.h> -#include <linux/mtd/nand-ecc-sw-hamming.h> -#include <linux/mtd/partitions.h> - -#include "cpu.h" -#include <linux/soc/samsung/s3c-cpu-freq.h> -#include "devs.h" -#include "gpio-cfg.h" - -#include "regs-gpio.h" -#include "gpio-samsung.h" - -#include "s3c24xx.h" -#include "osiris.h" -#include "regs-mem-s3c24xx.h" - -/* onboard perihperal map */ - -static struct map_desc osiris_iodesc[] __initdata = { - /* ISA IO areas (may be over-written later) */ - - { - .virtual = (u32)S3C24XX_VA_ISA_BYTE, - .pfn = __phys_to_pfn(S3C2410_CS5), - .length = SZ_16M, - .type = MT_DEVICE, - }, - - /* CPLD control registers */ - - { - .virtual = (u32)OSIRIS_VA_CTRL0, - .pfn = __phys_to_pfn(OSIRIS_PA_CTRL0), - .length = SZ_16K, - .type = MT_DEVICE, - }, { - .virtual = (u32)OSIRIS_VA_CTRL1, - .pfn = __phys_to_pfn(OSIRIS_PA_CTRL1), - .length = SZ_16K, - .type = MT_DEVICE, - }, { - .virtual = (u32)OSIRIS_VA_CTRL2, - .pfn = __phys_to_pfn(OSIRIS_PA_CTRL2), - .length = SZ_16K, - .type = MT_DEVICE, - }, { - .virtual = (u32)OSIRIS_VA_IDREG, - .pfn = __phys_to_pfn(OSIRIS_PA_IDREG), - .length = SZ_16K, - .type = MT_DEVICE, - }, -}; - -#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK -#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB -#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE - -static struct s3c2410_uartcfg osiris_uartcfgs[] __initdata = { - [0] = { - .hwport = 0, - .flags = 0, - .ucon = UCON, - .ulcon = ULCON, - .ufcon = UFCON, - .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2, - }, - [1] = { - .hwport = 1, - .flags = 0, - .ucon = UCON, - .ulcon = ULCON, - .ufcon = UFCON, - .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2, - }, - [2] = { - .hwport = 2, - .flags = 0, - .ucon = UCON, - .ulcon = ULCON, - .ufcon = UFCON, - .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2, - } -}; - -/* NAND Flash on Osiris board */ - -static int external_map[] = { 2 }; -static int chip0_map[] = { 0 }; -static int chip1_map[] = { 1 }; - -static struct mtd_partition __initdata osiris_default_nand_part[] = { - [0] = { - .name = "Boot Agent", - .size = SZ_16K, - .offset = 0, - }, - [1] = { - .name = "/boot", - .size = SZ_4M - SZ_16K, - .offset = SZ_16K, - }, - [2] = { - .name = "user1", - .offset = SZ_4M, - .size = SZ_32M - SZ_4M, - }, - [3] = { - .name = "user2", - .offset = SZ_32M, - .size = MTDPART_SIZ_FULL, - } -}; - -static struct mtd_partition __initdata osiris_default_nand_part_large[] = { - [0] = { - .name = "Boot Agent", - .size = SZ_128K, - .offset = 0, - }, - [1] = { - .name = "/boot", - .size = SZ_4M - SZ_128K, - .offset = SZ_128K, - }, - [2] = { - .name = "user1", - .offset = SZ_4M, - .size = SZ_32M - SZ_4M, - }, - [3] = { - .name = "user2", - .offset = SZ_32M, - .size = MTDPART_SIZ_FULL, - } -}; - -/* the Osiris has 3 selectable slots for nand-flash, the two - * on-board chip areas, as well as the external slot. - * - * Note, there is no current hot-plug support for the External - * socket. -*/ - -static struct s3c2410_nand_set __initdata osiris_nand_sets[] = { - [1] = { - .name = "External", - .nr_chips = 1, - .nr_map = external_map, - .options = NAND_SCAN_SILENT_NODEV, - .nr_partitions = ARRAY_SIZE(osiris_default_nand_part), - .partitions = osiris_default_nand_part, - }, - [0] = { - .name = "chip0", - .nr_chips = 1, - .nr_map = chip0_map, - .nr_partitions = ARRAY_SIZE(osiris_default_nand_part), - .partitions = osiris_default_nand_part, - }, - [2] = { - .name = "chip1", - .nr_chips = 1, - .nr_map = chip1_map, - .options = NAND_SCAN_SILENT_NODEV, - .nr_partitions = ARRAY_SIZE(osiris_default_nand_part), - .partitions = osiris_default_nand_part, - }, -}; - -static void osiris_nand_select(struct s3c2410_nand_set *set, int slot) -{ - unsigned int tmp; - - slot = set->nr_map[slot] & 3; - - pr_debug("osiris_nand: selecting slot %d (set %p,%p)\n", - slot, set, set->nr_map); - - tmp = __raw_readb(OSIRIS_VA_CTRL0); - tmp &= ~OSIRIS_CTRL0_NANDSEL; - tmp |= slot; - - pr_debug("osiris_nand: ctrl0 now %02x\n", tmp); - - __raw_writeb(tmp, OSIRIS_VA_CTRL0); -} - -static struct s3c2410_platform_nand __initdata osiris_nand_info = { - .tacls = 25, - .twrph0 = 60, - .twrph1 = 60, - .nr_sets = ARRAY_SIZE(osiris_nand_sets), - .sets = osiris_nand_sets, - .select_chip = osiris_nand_select, - .engine_type = NAND_ECC_ENGINE_TYPE_SOFT, -}; - -/* PCMCIA control and configuration */ - -static struct resource osiris_pcmcia_resource[] = { - [0] = DEFINE_RES_MEM(0x0f000000, SZ_1M), - [1] = DEFINE_RES_MEM(0x0c000000, SZ_1M), -}; - -static struct platform_device osiris_pcmcia = { - .name = "osiris-pcmcia", - .id = -1, - .num_resources = ARRAY_SIZE(osiris_pcmcia_resource), - .resource = osiris_pcmcia_resource, -}; - -/* Osiris power management device */ - -#ifdef CONFIG_PM -static unsigned char pm_osiris_ctrl0; - -static int osiris_pm_suspend(void) -{ - unsigned int tmp; - - pm_osiris_ctrl0 = __raw_readb(OSIRIS_VA_CTRL0); - tmp = pm_osiris_ctrl0 & ~OSIRIS_CTRL0_NANDSEL; - - /* ensure correct NAND slot is selected on resume */ - if ((pm_osiris_ctrl0 & OSIRIS_CTRL0_BOOT_INT) == 0) - tmp |= 2; - - __raw_writeb(tmp, OSIRIS_VA_CTRL0); - - /* ensure that an nRESET is not generated on resume. */ - gpio_request_one(S3C2410_GPA(21), GPIOF_OUT_INIT_HIGH, NULL); - gpio_free(S3C2410_GPA(21)); - - return 0; -} - -static void osiris_pm_resume(void) -{ - if (pm_osiris_ctrl0 & OSIRIS_CTRL0_FIX8) - __raw_writeb(OSIRIS_CTRL1_FIX8, OSIRIS_VA_CTRL1); - - __raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0); - - s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); -} - -#else -#define osiris_pm_suspend NULL -#define osiris_pm_resume NULL -#endif - -static struct syscore_ops osiris_pm_syscore_ops = { - .suspend = osiris_pm_suspend, - .resume = osiris_pm_resume, -}; - -/* Link for DVS driver to TPS65011 */ - -static void osiris_tps_release(struct device *dev) -{ - /* static device, do not need to release anything */ -} - -static struct platform_device osiris_tps_device = { - .name = "osiris-dvs", - .id = -1, - .dev.release = osiris_tps_release, -}; - -static int osiris_tps_setup(struct i2c_client *client, void *context) -{ - osiris_tps_device.dev.parent = &client->dev; - return platform_device_register(&osiris_tps_device); -} - -static int osiris_tps_remove(struct i2c_client *client, void *context) -{ - platform_device_unregister(&osiris_tps_device); - return 0; -} - -static struct tps65010_board osiris_tps_board = { - .base = -1, /* GPIO can go anywhere at the moment */ - .setup = osiris_tps_setup, - .teardown = osiris_tps_remove, -}; - -/* I2C devices fitted. */ - -static struct i2c_board_info osiris_i2c_devs[] __initdata = { - { - I2C_BOARD_INFO("tps65011", 0x48), - .irq = IRQ_EINT20, - .platform_data = &osiris_tps_board, - }, -}; - -/* Standard Osiris devices */ - -static struct platform_device *osiris_devices[] __initdata = { - &s3c2410_device_dclk, - &s3c_device_i2c0, - &s3c_device_wdt, - &s3c_device_nand, - &osiris_pcmcia, -}; - -static struct s3c_cpufreq_board __initdata osiris_cpufreq = { - .refresh = 7800, /* refresh period is 7.8usec */ - .auto_io = 1, - .need_io = 1, -}; - -static void __init osiris_map_io(void) -{ - unsigned long flags; - - s3c24xx_init_io(osiris_iodesc, ARRAY_SIZE(osiris_iodesc)); - s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs)); - s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4); - - /* check for the newer revision boards with large page nand */ - - if ((__raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK) >= 4) { - printk(KERN_INFO "OSIRIS-B detected (revision %d)\n", - __raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK); - osiris_nand_sets[0].partitions = osiris_default_nand_part_large; - osiris_nand_sets[0].nr_partitions = ARRAY_SIZE(osiris_default_nand_part_large); - } else { - /* write-protect line to the NAND */ - gpio_request_one(S3C2410_GPA(0), GPIOF_OUT_INIT_HIGH, NULL); - gpio_free(S3C2410_GPA(0)); - } - - /* fix bus configuration (nBE settings wrong on ABLE pre v2.20) */ - - local_irq_save(flags); - __raw_writel(__raw_readl(S3C2410_BWSCON) | S3C2410_BWSCON_ST1 | S3C2410_BWSCON_ST2 | S3C2410_BWSCON_ST3 | S3C2410_BWSCON_ST4 | S3C2410_BWSCON_ST5, S3C2410_BWSCON); - local_irq_restore(flags); -} - -static void __init osiris_init_time(void) -{ - s3c2440_init_clocks(12000000); - s3c24xx_timer_init(); -} - -static void __init osiris_init(void) -{ - register_syscore_ops(&osiris_pm_syscore_ops); - - s3c_i2c0_set_platdata(NULL); - s3c_nand_set_platdata(&osiris_nand_info); - - s3c_cpufreq_setboard(&osiris_cpufreq); - - i2c_register_board_info(0, osiris_i2c_devs, - ARRAY_SIZE(osiris_i2c_devs)); - - platform_add_devices(osiris_devices, ARRAY_SIZE(osiris_devices)); -}; - -MACHINE_START(OSIRIS, "Simtec-OSIRIS") - /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ - .atag_offset = 0x100, - .nr_irqs = NR_IRQS_S3C2440, - .map_io = osiris_map_io, - .init_irq = s3c2440_init_irq, - .init_machine = osiris_init, - .init_time = osiris_init_time, -MACHINE_END |