| /* linux/arch/arm/mach-s3c2410/mach-bast.c |
| * |
| * Copyright 2003-2008 Simtec Electronics |
| * Ben Dooks <ben@simtec.co.uk> |
| * |
| * http://www.simtec.co.uk/products/EB2410ITX/ |
| * |
| * 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/gpio.h> |
| #include <linux/syscore_ops.h> |
| #include <linux/serial_core.h> |
| #include <linux/platform_device.h> |
| #include <linux/dm9000.h> |
| #include <linux/ata_platform.h> |
| #include <linux/i2c.h> |
| #include <linux/io.h> |
| |
| #include <net/ax88796.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/irq.h> |
| |
| #include <mach/bast-map.h> |
| #include <mach/bast-irq.h> |
| #include <mach/bast-cpld.h> |
| |
| #include <mach/hardware.h> |
| #include <asm/irq.h> |
| #include <asm/mach-types.h> |
| |
| //#include <asm/debug-ll.h> |
| #include <plat/regs-serial.h> |
| #include <mach/regs-gpio.h> |
| #include <mach/regs-mem.h> |
| #include <mach/regs-lcd.h> |
| |
| #include <plat/hwmon.h> |
| #include <plat/nand.h> |
| #include <plat/iic.h> |
| #include <mach/fb.h> |
| |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/nand.h> |
| #include <linux/mtd/nand_ecc.h> |
| #include <linux/mtd/partitions.h> |
| |
| #include <linux/serial_8250.h> |
| |
| #include <plat/clock.h> |
| #include <plat/devs.h> |
| #include <plat/cpu.h> |
| #include <plat/cpu-freq.h> |
| #include <plat/gpio-cfg.h> |
| #include <plat/audio-simtec.h> |
| |
| #include "usb-simtec.h" |
| #include "nor-simtec.h" |
| |
| #define COPYRIGHT ", Copyright 2004-2008 Simtec Electronics" |
| |
| /* macros for virtual address mods for the io space entries */ |
| #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5) |
| #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4) |
| #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3) |
| #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2) |
| |
| /* macros to modify the physical addresses for io space */ |
| |
| #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2)) |
| #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3)) |
| #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4)) |
| #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5)) |
| |
| static struct map_desc bast_iodesc[] __initdata = { |
| /* ISA IO areas */ |
| { |
| .virtual = (u32)S3C24XX_VA_ISA_BYTE, |
| .pfn = PA_CS2(BAST_PA_ISAIO), |
| .length = SZ_16M, |
| .type = MT_DEVICE, |
| }, { |
| .virtual = (u32)S3C24XX_VA_ISA_WORD, |
| .pfn = PA_CS3(BAST_PA_ISAIO), |
| .length = SZ_16M, |
| .type = MT_DEVICE, |
| }, |
| /* bast CPLD control registers, and external interrupt controls */ |
| { |
| .virtual = (u32)BAST_VA_CTRL1, |
| .pfn = __phys_to_pfn(BAST_PA_CTRL1), |
| .length = SZ_1M, |
| .type = MT_DEVICE, |
| }, { |
| .virtual = (u32)BAST_VA_CTRL2, |
| .pfn = __phys_to_pfn(BAST_PA_CTRL2), |
| .length = SZ_1M, |
| .type = MT_DEVICE, |
| }, { |
| .virtual = (u32)BAST_VA_CTRL3, |
| .pfn = __phys_to_pfn(BAST_PA_CTRL3), |
| .length = SZ_1M, |
| .type = MT_DEVICE, |
| }, { |
| .virtual = (u32)BAST_VA_CTRL4, |
| .pfn = __phys_to_pfn(BAST_PA_CTRL4), |
| .length = SZ_1M, |
| .type = MT_DEVICE, |
| }, |
| /* PC104 IRQ mux */ |
| { |
| .virtual = (u32)BAST_VA_PC104_IRQREQ, |
| .pfn = __phys_to_pfn(BAST_PA_PC104_IRQREQ), |
| .length = SZ_1M, |
| .type = MT_DEVICE, |
| }, { |
| .virtual = (u32)BAST_VA_PC104_IRQRAW, |
| .pfn = __phys_to_pfn(BAST_PA_PC104_IRQRAW), |
| .length = SZ_1M, |
| .type = MT_DEVICE, |
| }, { |
| .virtual = (u32)BAST_VA_PC104_IRQMASK, |
| .pfn = __phys_to_pfn(BAST_PA_PC104_IRQMASK), |
| .length = SZ_1M, |
| .type = MT_DEVICE, |
| }, |
| |
| /* peripheral space... one for each of fast/slow/byte/16bit */ |
| /* note, ide is only decoded in word space, even though some registers |
| * are only 8bit */ |
| |
| /* slow, byte */ |
| { VA_C2(BAST_VA_ISAIO), PA_CS2(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, |
| { VA_C2(BAST_VA_ISAMEM), PA_CS2(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, |
| { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, |
| |
| /* slow, word */ |
| { VA_C3(BAST_VA_ISAIO), PA_CS3(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, |
| { VA_C3(BAST_VA_ISAMEM), PA_CS3(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, |
| { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, |
| |
| /* fast, byte */ |
| { VA_C4(BAST_VA_ISAIO), PA_CS4(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, |
| { VA_C4(BAST_VA_ISAMEM), PA_CS4(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, |
| { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO), SZ_1M, MT_DEVICE }, |
| |
| /* fast, word */ |
| { VA_C5(BAST_VA_ISAIO), PA_CS5(BAST_PA_ISAIO), SZ_16M, MT_DEVICE }, |
| { VA_C5(BAST_VA_ISAMEM), PA_CS5(BAST_PA_ISAMEM), SZ_16M, MT_DEVICE }, |
| { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO), SZ_1M, 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 bast_uartcfgs[] __initdata = { |
| [0] = { |
| .hwport = 0, |
| .flags = 0, |
| .ucon = UCON, |
| .ulcon = ULCON, |
| .ufcon = UFCON, |
| }, |
| [1] = { |
| .hwport = 1, |
| .flags = 0, |
| .ucon = UCON, |
| .ulcon = ULCON, |
| .ufcon = UFCON, |
| }, |
| /* port 2 is not actually used */ |
| [2] = { |
| .hwport = 2, |
| .flags = 0, |
| .ucon = UCON, |
| .ulcon = ULCON, |
| .ufcon = UFCON, |
| } |
| }; |
| |
| /* NAND Flash on BAST board */ |
| |
| #ifdef CONFIG_PM |
| static int bast_pm_suspend(void) |
| { |
| /* ensure that an nRESET is not generated on resume. */ |
| gpio_direction_output(S3C2410_GPA(21), 1); |
| return 0; |
| } |
| |
| static void bast_pm_resume(void) |
| { |
| s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); |
| } |
| |
| #else |
| #define bast_pm_suspend NULL |
| #define bast_pm_resume NULL |
| #endif |
| |
| static struct syscore_ops bast_pm_syscore_ops = { |
| .suspend = bast_pm_suspend, |
| .resume = bast_pm_resume, |
| }; |
| |
| static int smartmedia_map[] = { 0 }; |
| static int chip0_map[] = { 1 }; |
| static int chip1_map[] = { 2 }; |
| static int chip2_map[] = { 3 }; |
| |
| static struct mtd_partition __initdata bast_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 = "user", |
| .offset = SZ_4M, |
| .size = MTDPART_SIZ_FULL, |
| } |
| }; |
| |
| /* the bast has 4 selectable slots for nand-flash, the three |
| * on-board chip areas, as well as the external SmartMedia |
| * slot. |
| * |
| * Note, there is no current hot-plug support for the SmartMedia |
| * socket. |
| */ |
| |
| static struct s3c2410_nand_set __initdata bast_nand_sets[] = { |
| [0] = { |
| .name = "SmartMedia", |
| .nr_chips = 1, |
| .nr_map = smartmedia_map, |
| .options = NAND_SCAN_SILENT_NODEV, |
| .nr_partitions = ARRAY_SIZE(bast_default_nand_part), |
| .partitions = bast_default_nand_part, |
| }, |
| [1] = { |
| .name = "chip0", |
| .nr_chips = 1, |
| .nr_map = chip0_map, |
| .nr_partitions = ARRAY_SIZE(bast_default_nand_part), |
| .partitions = bast_default_nand_part, |
| }, |
| [2] = { |
| .name = "chip1", |
| .nr_chips = 1, |
| .nr_map = chip1_map, |
| .options = NAND_SCAN_SILENT_NODEV, |
| .nr_partitions = ARRAY_SIZE(bast_default_nand_part), |
| .partitions = bast_default_nand_part, |
| }, |
| [3] = { |
| .name = "chip2", |
| .nr_chips = 1, |
| .nr_map = chip2_map, |
| .options = NAND_SCAN_SILENT_NODEV, |
| .nr_partitions = ARRAY_SIZE(bast_default_nand_part), |
| .partitions = bast_default_nand_part, |
| } |
| }; |
| |
| static void bast_nand_select(struct s3c2410_nand_set *set, int slot) |
| { |
| unsigned int tmp; |
| |
| slot = set->nr_map[slot] & 3; |
| |
| pr_debug("bast_nand: selecting slot %d (set %p,%p)\n", |
| slot, set, set->nr_map); |
| |
| tmp = __raw_readb(BAST_VA_CTRL2); |
| tmp &= BAST_CPLD_CTLR2_IDERST; |
| tmp |= slot; |
| tmp |= BAST_CPLD_CTRL2_WNAND; |
| |
| pr_debug("bast_nand: ctrl2 now %02x\n", tmp); |
| |
| __raw_writeb(tmp, BAST_VA_CTRL2); |
| } |
| |
| static struct s3c2410_platform_nand __initdata bast_nand_info = { |
| .tacls = 30, |
| .twrph0 = 60, |
| .twrph1 = 60, |
| .nr_sets = ARRAY_SIZE(bast_nand_sets), |
| .sets = bast_nand_sets, |
| .select_chip = bast_nand_select, |
| }; |
| |
| /* DM9000 */ |
| |
| static struct resource bast_dm9k_resource[] = { |
| [0] = { |
| .start = S3C2410_CS5 + BAST_PA_DM9000, |
| .end = S3C2410_CS5 + BAST_PA_DM9000 + 3, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = S3C2410_CS5 + BAST_PA_DM9000 + 0x40, |
| .end = S3C2410_CS5 + BAST_PA_DM9000 + 0x40 + 0x3f, |
| .flags = IORESOURCE_MEM, |
| }, |
| [2] = { |
| .start = IRQ_DM9000, |
| .end = IRQ_DM9000, |
| .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, |
| } |
| |
| }; |
| |
| /* for the moment we limit ourselves to 16bit IO until some |
| * better IO routines can be written and tested |
| */ |
| |
| static struct dm9000_plat_data bast_dm9k_platdata = { |
| .flags = DM9000_PLATF_16BITONLY, |
| }; |
| |
| static struct platform_device bast_device_dm9k = { |
| .name = "dm9000", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(bast_dm9k_resource), |
| .resource = bast_dm9k_resource, |
| .dev = { |
| .platform_data = &bast_dm9k_platdata, |
| } |
| }; |
| |
| /* serial devices */ |
| |
| #define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO) |
| #define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ) |
| #define SERIAL_CLK (1843200) |
| |
| static struct plat_serial8250_port bast_sio_data[] = { |
| [0] = { |
| .mapbase = SERIAL_BASE + 0x2f8, |
| .irq = IRQ_PCSERIAL1, |
| .flags = SERIAL_FLAGS, |
| .iotype = UPIO_MEM, |
| .regshift = 0, |
| .uartclk = SERIAL_CLK, |
| }, |
| [1] = { |
| .mapbase = SERIAL_BASE + 0x3f8, |
| .irq = IRQ_PCSERIAL2, |
| .flags = SERIAL_FLAGS, |
| .iotype = UPIO_MEM, |
| .regshift = 0, |
| .uartclk = SERIAL_CLK, |
| }, |
| { } |
| }; |
| |
| static struct platform_device bast_sio = { |
| .name = "serial8250", |
| .id = PLAT8250_DEV_PLATFORM, |
| .dev = { |
| .platform_data = &bast_sio_data, |
| }, |
| }; |
| |
| /* we have devices on the bus which cannot work much over the |
| * standard 100KHz i2c bus frequency |
| */ |
| |
| static struct s3c2410_platform_i2c __initdata bast_i2c_info = { |
| .flags = 0, |
| .slave_addr = 0x10, |
| .frequency = 100*1000, |
| }; |
| |
| /* Asix AX88796 10/100 ethernet controller */ |
| |
| static struct ax_plat_data bast_asix_platdata = { |
| .flags = AXFLG_MAC_FROMDEV, |
| .wordlength = 2, |
| .dcr_val = 0x48, |
| .rcr_val = 0x40, |
| }; |
| |
| static struct resource bast_asix_resource[] = { |
| [0] = { |
| .start = S3C2410_CS5 + BAST_PA_ASIXNET, |
| .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20) - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20), |
| .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20), |
| .flags = IORESOURCE_MEM, |
| }, |
| [2] = { |
| .start = IRQ_ASIX, |
| .end = IRQ_ASIX, |
| .flags = IORESOURCE_IRQ |
| } |
| }; |
| |
| static struct platform_device bast_device_asix = { |
| .name = "ax88796", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(bast_asix_resource), |
| .resource = bast_asix_resource, |
| .dev = { |
| .platform_data = &bast_asix_platdata |
| } |
| }; |
| |
| /* Asix AX88796 10/100 ethernet controller parallel port */ |
| |
| static struct resource bast_asixpp_resource[] = { |
| [0] = { |
| .start = S3C2410_CS5 + BAST_PA_ASIXNET + (0x18 * 0x20), |
| .end = S3C2410_CS5 + BAST_PA_ASIXNET + (0x1b * 0x20) - 1, |
| .flags = IORESOURCE_MEM, |
| } |
| }; |
| |
| static struct platform_device bast_device_axpp = { |
| .name = "ax88796-pp", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(bast_asixpp_resource), |
| .resource = bast_asixpp_resource, |
| }; |
| |
| /* LCD/VGA controller */ |
| |
| static struct s3c2410fb_display __initdata bast_lcd_info[] = { |
| { |
| .type = S3C2410_LCDCON1_TFT, |
| .width = 640, |
| .height = 480, |
| |
| .pixclock = 33333, |
| .xres = 640, |
| .yres = 480, |
| .bpp = 4, |
| .left_margin = 40, |
| .right_margin = 20, |
| .hsync_len = 88, |
| .upper_margin = 30, |
| .lower_margin = 32, |
| .vsync_len = 3, |
| |
| .lcdcon5 = 0x00014b02, |
| }, |
| { |
| .type = S3C2410_LCDCON1_TFT, |
| .width = 640, |
| .height = 480, |
| |
| .pixclock = 33333, |
| .xres = 640, |
| .yres = 480, |
| .bpp = 8, |
| .left_margin = 40, |
| .right_margin = 20, |
| .hsync_len = 88, |
| .upper_margin = 30, |
| .lower_margin = 32, |
| .vsync_len = 3, |
| |
| .lcdcon5 = 0x00014b02, |
| }, |
| { |
| .type = S3C2410_LCDCON1_TFT, |
| .width = 640, |
| .height = 480, |
| |
| .pixclock = 33333, |
| .xres = 640, |
| .yres = 480, |
| .bpp = 16, |
| .left_margin = 40, |
| .right_margin = 20, |
| .hsync_len = 88, |
| .upper_margin = 30, |
| .lower_margin = 32, |
| .vsync_len = 3, |
| |
| .lcdcon5 = 0x00014b02, |
| }, |
| }; |
| |
| /* LCD/VGA controller */ |
| |
| static struct s3c2410fb_mach_info __initdata bast_fb_info = { |
| |
| .displays = bast_lcd_info, |
| .num_displays = ARRAY_SIZE(bast_lcd_info), |
| .default_display = 1, |
| }; |
| |
| /* I2C devices fitted. */ |
| |
| static struct i2c_board_info bast_i2c_devs[] __initdata = { |
| { |
| I2C_BOARD_INFO("tlv320aic23", 0x1a), |
| }, { |
| I2C_BOARD_INFO("simtec-pmu", 0x6b), |
| }, { |
| I2C_BOARD_INFO("ch7013", 0x75), |
| }, |
| }; |
| |
| static struct s3c_hwmon_pdata bast_hwmon_info = { |
| /* LCD contrast (0-6.6V) */ |
| .in[0] = &(struct s3c_hwmon_chcfg) { |
| .name = "lcd-contrast", |
| .mult = 3300, |
| .div = 512, |
| }, |
| /* LED current feedback */ |
| .in[1] = &(struct s3c_hwmon_chcfg) { |
| .name = "led-feedback", |
| .mult = 3300, |
| .div = 1024, |
| }, |
| /* LCD feedback (0-6.6V) */ |
| .in[2] = &(struct s3c_hwmon_chcfg) { |
| .name = "lcd-feedback", |
| .mult = 3300, |
| .div = 512, |
| }, |
| /* Vcore (1.8-2.0V), Vref 3.3V */ |
| .in[3] = &(struct s3c_hwmon_chcfg) { |
| .name = "vcore", |
| .mult = 3300, |
| .div = 1024, |
| }, |
| }; |
| |
| /* Standard BAST devices */ |
| // cat /sys/devices/platform/s3c24xx-adc/s3c-hwmon/in_0 |
| |
| static struct platform_device *bast_devices[] __initdata = { |
| &s3c_device_ohci, |
| &s3c_device_lcd, |
| &s3c_device_wdt, |
| &s3c_device_i2c0, |
| &s3c_device_rtc, |
| &s3c_device_nand, |
| &s3c_device_adc, |
| &s3c_device_hwmon, |
| &bast_device_dm9k, |
| &bast_device_asix, |
| &bast_device_axpp, |
| &bast_sio, |
| }; |
| |
| static struct clk *bast_clocks[] __initdata = { |
| &s3c24xx_dclk0, |
| &s3c24xx_dclk1, |
| &s3c24xx_clkout0, |
| &s3c24xx_clkout1, |
| &s3c24xx_uclk, |
| }; |
| |
| static struct s3c_cpufreq_board __initdata bast_cpufreq = { |
| .refresh = 7800, /* 7.8usec */ |
| .auto_io = 1, |
| .need_io = 1, |
| }; |
| |
| static struct s3c24xx_audio_simtec_pdata __initdata bast_audio = { |
| .have_mic = 1, |
| .have_lout = 1, |
| }; |
| |
| static void __init bast_map_io(void) |
| { |
| /* initialise the clocks */ |
| |
| s3c24xx_dclk0.parent = &clk_upll; |
| s3c24xx_dclk0.rate = 12*1000*1000; |
| |
| s3c24xx_dclk1.parent = &clk_upll; |
| s3c24xx_dclk1.rate = 24*1000*1000; |
| |
| s3c24xx_clkout0.parent = &s3c24xx_dclk0; |
| s3c24xx_clkout1.parent = &s3c24xx_dclk1; |
| |
| s3c24xx_uclk.parent = &s3c24xx_clkout1; |
| |
| s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks)); |
| |
| s3c_hwmon_set_platdata(&bast_hwmon_info); |
| |
| s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc)); |
| s3c24xx_init_clocks(0); |
| s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs)); |
| } |
| |
| static void __init bast_init(void) |
| { |
| register_syscore_ops(&bast_pm_syscore_ops); |
| |
| s3c_i2c0_set_platdata(&bast_i2c_info); |
| s3c_nand_set_platdata(&bast_nand_info); |
| s3c24xx_fb_set_platdata(&bast_fb_info); |
| platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices)); |
| |
| i2c_register_board_info(0, bast_i2c_devs, |
| ARRAY_SIZE(bast_i2c_devs)); |
| |
| usb_simtec_init(); |
| nor_simtec_init(); |
| simtec_audio_add(NULL, true, &bast_audio); |
| |
| WARN_ON(gpio_request(S3C2410_GPA(21), "bast nreset")); |
| |
| s3c_cpufreq_setboard(&bast_cpufreq); |
| } |
| |
| MACHINE_START(BAST, "Simtec-BAST") |
| /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ |
| .atag_offset = 0x100, |
| .map_io = bast_map_io, |
| .init_irq = s3c24xx_init_irq, |
| .init_machine = bast_init, |
| .timer = &s3c24xx_timer, |
| MACHINE_END |