Ramax Lo | 4ab98971 | 2008-07-07 18:12:36 +0100 | [diff] [blame] | 1 | /* linux/arch/arm/mach-s3c2440/mach-at2440evb.c |
| 2 | * |
| 3 | * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com> |
| 4 | * Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk> |
| 5 | * and modifications by SBZ <sbz@spgui.org> and |
| 6 | * Weibing <http://weibing.blogbus.com> |
| 7 | * |
| 8 | * For product information, visit http://www.arm9e.com/ |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/types.h> |
| 17 | #include <linux/interrupt.h> |
| 18 | #include <linux/list.h> |
| 19 | #include <linux/timer.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/io.h> |
| 22 | #include <linux/serial_core.h> |
Ramax Lo | 66493c2 | 2008-07-07 18:12:37 +0100 | [diff] [blame] | 23 | #include <linux/dm9000.h> |
Ramax Lo | 4ab98971 | 2008-07-07 18:12:36 +0100 | [diff] [blame] | 24 | #include <linux/platform_device.h> |
| 25 | |
| 26 | #include <asm/mach/arch.h> |
| 27 | #include <asm/mach/map.h> |
| 28 | #include <asm/mach/irq.h> |
| 29 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 30 | #include <mach/hardware.h> |
Ramax Lo | 4ab98971 | 2008-07-07 18:12:36 +0100 | [diff] [blame] | 31 | #include <asm/irq.h> |
| 32 | #include <asm/mach-types.h> |
| 33 | |
Ben Dooks | a2b7ba9 | 2008-10-07 22:26:09 +0100 | [diff] [blame] | 34 | #include <plat/regs-serial.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 35 | #include <mach/regs-gpio.h> |
| 36 | #include <mach/regs-mem.h> |
| 37 | #include <mach/regs-lcd.h> |
Ben Dooks | 7926b5a | 2008-10-30 10:14:35 +0000 | [diff] [blame] | 38 | #include <plat/nand.h> |
Ramax Lo | 4ab98971 | 2008-07-07 18:12:36 +0100 | [diff] [blame] | 39 | |
| 40 | #include <linux/mtd/mtd.h> |
| 41 | #include <linux/mtd/nand.h> |
| 42 | #include <linux/mtd/nand_ecc.h> |
| 43 | #include <linux/mtd/partitions.h> |
| 44 | |
Ben Dooks | d5120ae | 2008-10-07 23:09:51 +0100 | [diff] [blame] | 45 | #include <plat/clock.h> |
Ben Dooks | a2b7ba9 | 2008-10-07 22:26:09 +0100 | [diff] [blame] | 46 | #include <plat/devs.h> |
| 47 | #include <plat/cpu.h> |
Ben Dooks | 4a045cb | 2008-11-10 10:59:28 +0000 | [diff] [blame^] | 48 | #include <asm/plat-s3c24xx/mci.h> |
Ramax Lo | 4ab98971 | 2008-07-07 18:12:36 +0100 | [diff] [blame] | 49 | |
| 50 | static struct map_desc at2440evb_iodesc[] __initdata = { |
| 51 | /* Nothing here */ |
| 52 | }; |
| 53 | |
| 54 | #define UCON S3C2410_UCON_DEFAULT |
| 55 | #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE) |
| 56 | #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) |
| 57 | |
| 58 | static struct s3c24xx_uart_clksrc at2440evb_serial_clocks[] = { |
| 59 | [0] = { |
| 60 | .name = "uclk", |
| 61 | .divisor = 1, |
| 62 | .min_baud = 0, |
| 63 | .max_baud = 0, |
| 64 | }, |
| 65 | [1] = { |
| 66 | .name = "pclk", |
| 67 | .divisor = 1, |
| 68 | .min_baud = 0, |
| 69 | .max_baud = 0, |
| 70 | } |
| 71 | }; |
| 72 | |
| 73 | |
| 74 | static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = { |
| 75 | [0] = { |
| 76 | .hwport = 0, |
| 77 | .flags = 0, |
| 78 | .ucon = UCON, |
| 79 | .ulcon = ULCON, |
| 80 | .ufcon = UFCON, |
| 81 | .clocks = at2440evb_serial_clocks, |
| 82 | .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks), |
| 83 | }, |
| 84 | [1] = { |
| 85 | .hwport = 1, |
| 86 | .flags = 0, |
| 87 | .ucon = UCON, |
| 88 | .ulcon = ULCON, |
| 89 | .ufcon = UFCON, |
| 90 | .clocks = at2440evb_serial_clocks, |
| 91 | .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks), |
| 92 | }, |
| 93 | }; |
| 94 | |
| 95 | /* NAND Flash on AT2440EVB board */ |
| 96 | |
| 97 | static struct mtd_partition at2440evb_default_nand_part[] = { |
| 98 | [0] = { |
| 99 | .name = "Boot Agent", |
| 100 | .size = SZ_256K, |
| 101 | .offset = 0, |
| 102 | }, |
| 103 | [1] = { |
| 104 | .name = "Kernel", |
| 105 | .size = SZ_2M, |
| 106 | .offset = SZ_256K, |
| 107 | }, |
| 108 | [2] = { |
| 109 | .name = "Root", |
| 110 | .offset = SZ_256K + SZ_2M, |
| 111 | .size = MTDPART_SIZ_FULL, |
| 112 | }, |
| 113 | }; |
| 114 | |
| 115 | static struct s3c2410_nand_set at2440evb_nand_sets[] = { |
| 116 | [0] = { |
| 117 | .name = "nand", |
| 118 | .nr_chips = 1, |
| 119 | .nr_partitions = ARRAY_SIZE(at2440evb_default_nand_part), |
| 120 | .partitions = at2440evb_default_nand_part, |
| 121 | }, |
| 122 | }; |
| 123 | |
| 124 | static struct s3c2410_platform_nand at2440evb_nand_info = { |
| 125 | .tacls = 25, |
| 126 | .twrph0 = 55, |
| 127 | .twrph1 = 40, |
| 128 | .nr_sets = ARRAY_SIZE(at2440evb_nand_sets), |
| 129 | .sets = at2440evb_nand_sets, |
| 130 | }; |
| 131 | |
Ramax Lo | 66493c2 | 2008-07-07 18:12:37 +0100 | [diff] [blame] | 132 | /* DM9000AEP 10/100 ethernet controller */ |
| 133 | |
| 134 | static struct resource at2440evb_dm9k_resource[] = { |
| 135 | [0] = { |
| 136 | .start = S3C2410_CS3, |
| 137 | .end = S3C2410_CS3 + 3, |
| 138 | .flags = IORESOURCE_MEM |
| 139 | }, |
| 140 | [1] = { |
| 141 | .start = S3C2410_CS3 + 4, |
| 142 | .end = S3C2410_CS3 + 7, |
| 143 | .flags = IORESOURCE_MEM |
| 144 | }, |
| 145 | [2] = { |
| 146 | .start = IRQ_EINT7, |
| 147 | .end = IRQ_EINT7, |
| 148 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
| 149 | } |
| 150 | }; |
| 151 | |
| 152 | static struct dm9000_plat_data at2440evb_dm9k_pdata = { |
| 153 | .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), |
| 154 | }; |
| 155 | |
| 156 | static struct platform_device at2440evb_device_eth = { |
| 157 | .name = "dm9000", |
| 158 | .id = -1, |
| 159 | .num_resources = ARRAY_SIZE(at2440evb_dm9k_resource), |
| 160 | .resource = at2440evb_dm9k_resource, |
| 161 | .dev = { |
| 162 | .platform_data = &at2440evb_dm9k_pdata, |
| 163 | }, |
| 164 | }; |
| 165 | |
Ben Dooks | 4a045cb | 2008-11-10 10:59:28 +0000 | [diff] [blame^] | 166 | static struct s3c24xx_mci_pdata at2440evb_mci_pdata = { |
| 167 | .gpio_detect = S3C2410_GPG10, |
| 168 | }; |
| 169 | |
Ramax Lo | 4ab98971 | 2008-07-07 18:12:36 +0100 | [diff] [blame] | 170 | static struct platform_device *at2440evb_devices[] __initdata = { |
| 171 | &s3c_device_usb, |
| 172 | &s3c_device_wdt, |
| 173 | &s3c_device_adc, |
| 174 | &s3c_device_i2c, |
| 175 | &s3c_device_rtc, |
| 176 | &s3c_device_nand, |
Ben Dooks | 4a045cb | 2008-11-10 10:59:28 +0000 | [diff] [blame^] | 177 | &s3c_device_sdi, |
Ramax Lo | 66493c2 | 2008-07-07 18:12:37 +0100 | [diff] [blame] | 178 | &at2440evb_device_eth, |
Ramax Lo | 4ab98971 | 2008-07-07 18:12:36 +0100 | [diff] [blame] | 179 | }; |
| 180 | |
| 181 | static void __init at2440evb_map_io(void) |
| 182 | { |
| 183 | s3c_device_nand.dev.platform_data = &at2440evb_nand_info; |
Ben Dooks | 4a045cb | 2008-11-10 10:59:28 +0000 | [diff] [blame^] | 184 | s3c_device_sdi.name = "s3c2440-sdi"; |
| 185 | s3c_device_sdi.dev.platform_data = &at2440evb_mci_pdata; |
Ramax Lo | 4ab98971 | 2008-07-07 18:12:36 +0100 | [diff] [blame] | 186 | |
| 187 | s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc)); |
| 188 | s3c24xx_init_clocks(16934400); |
| 189 | s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs)); |
| 190 | } |
| 191 | |
| 192 | static void __init at2440evb_init(void) |
| 193 | { |
| 194 | platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices)); |
| 195 | } |
| 196 | |
| 197 | |
| 198 | MACHINE_START(AT2440EVB, "AT2440EVB") |
| 199 | .phys_io = S3C2410_PA_UART, |
| 200 | .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, |
| 201 | .boot_params = S3C2410_SDRAM_PA + 0x100, |
| 202 | .map_io = at2440evb_map_io, |
| 203 | .init_machine = at2440evb_init, |
| 204 | .init_irq = s3c24xx_init_irq, |
| 205 | .timer = &s3c24xx_timer, |
| 206 | MACHINE_END |