Ben Dooks | a21765a | 2007-02-11 18:31:01 +0100 | [diff] [blame] | 1 | /* linux/arch/arm/mach-s3c2440/mach-osiris.c |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 2 | * |
Ben Dooks | f337422 | 2008-07-03 11:24:40 +0100 | [diff] [blame] | 3 | * Copyright (c) 2005,2008 Simtec Electronics |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 4 | * http://armlinux.simtec.co.uk/ |
| 5 | * Ben Dooks <ben@simtec.co.uk> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | */ |
| 11 | |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/types.h> |
| 14 | #include <linux/interrupt.h> |
| 15 | #include <linux/list.h> |
| 16 | #include <linux/timer.h> |
| 17 | #include <linux/init.h> |
Ben Dooks | ec976d6 | 2009-05-13 22:52:24 +0100 | [diff] [blame] | 18 | #include <linux/gpio.h> |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 19 | #include <linux/device.h> |
Ben Dooks | 5698bd2 | 2007-06-06 10:36:09 +0100 | [diff] [blame] | 20 | #include <linux/sysdev.h> |
Ben Dooks | b6d1f54 | 2006-12-17 23:22:26 +0100 | [diff] [blame] | 21 | #include <linux/serial_core.h> |
Ben Dooks | d96a980 | 2008-04-16 00:12:39 +0100 | [diff] [blame] | 22 | #include <linux/clk.h> |
Ben Dooks | f337422 | 2008-07-03 11:24:40 +0100 | [diff] [blame] | 23 | #include <linux/i2c.h> |
Russell King | fced80c | 2008-09-06 12:10:45 +0100 | [diff] [blame] | 24 | #include <linux/io.h> |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 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/osiris-map.h> |
| 31 | #include <mach/osiris-cpld.h> |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 32 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 33 | #include <mach/hardware.h> |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 34 | #include <asm/irq.h> |
| 35 | #include <asm/mach-types.h> |
| 36 | |
Ben Dooks | baf6b28 | 2009-07-30 23:23:32 +0100 | [diff] [blame] | 37 | #include <plat/cpu-freq.h> |
Ben Dooks | a2b7ba9 | 2008-10-07 22:26:09 +0100 | [diff] [blame] | 38 | #include <plat/regs-serial.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 39 | #include <mach/regs-gpio.h> |
| 40 | #include <mach/regs-mem.h> |
| 41 | #include <mach/regs-lcd.h> |
Ben Dooks | 7926b5a | 2008-10-30 10:14:35 +0000 | [diff] [blame] | 42 | #include <plat/nand.h> |
Ben Dooks | 3e1b776 | 2008-10-31 16:14:40 +0000 | [diff] [blame] | 43 | #include <plat/iic.h> |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 44 | |
| 45 | #include <linux/mtd/mtd.h> |
| 46 | #include <linux/mtd/nand.h> |
| 47 | #include <linux/mtd/nand_ecc.h> |
| 48 | #include <linux/mtd/partitions.h> |
| 49 | |
Ben Dooks | d5120ae | 2008-10-07 23:09:51 +0100 | [diff] [blame] | 50 | #include <plat/clock.h> |
Ben Dooks | a2b7ba9 | 2008-10-07 22:26:09 +0100 | [diff] [blame] | 51 | #include <plat/devs.h> |
| 52 | #include <plat/cpu.h> |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 53 | |
Simon Arlott | 6cbdc8c | 2007-05-11 20:40:30 +0100 | [diff] [blame] | 54 | /* onboard perihperal map */ |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 55 | |
| 56 | static struct map_desc osiris_iodesc[] __initdata = { |
| 57 | /* ISA IO areas (may be over-written later) */ |
| 58 | |
| 59 | { |
| 60 | .virtual = (u32)S3C24XX_VA_ISA_BYTE, |
| 61 | .pfn = __phys_to_pfn(S3C2410_CS5), |
| 62 | .length = SZ_16M, |
| 63 | .type = MT_DEVICE, |
| 64 | }, { |
| 65 | .virtual = (u32)S3C24XX_VA_ISA_WORD, |
| 66 | .pfn = __phys_to_pfn(S3C2410_CS5), |
| 67 | .length = SZ_16M, |
| 68 | .type = MT_DEVICE, |
| 69 | }, |
| 70 | |
| 71 | /* CPLD control registers */ |
| 72 | |
| 73 | { |
Ben Dooks | c362aec | 2007-06-06 09:51:51 +0100 | [diff] [blame] | 74 | .virtual = (u32)OSIRIS_VA_CTRL0, |
| 75 | .pfn = __phys_to_pfn(OSIRIS_PA_CTRL0), |
| 76 | .length = SZ_16K, |
| 77 | .type = MT_DEVICE, |
| 78 | }, { |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 79 | .virtual = (u32)OSIRIS_VA_CTRL1, |
| 80 | .pfn = __phys_to_pfn(OSIRIS_PA_CTRL1), |
| 81 | .length = SZ_16K, |
Ben Dooks | 705630d | 2006-07-26 20:16:39 +0100 | [diff] [blame] | 82 | .type = MT_DEVICE, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 83 | }, { |
| 84 | .virtual = (u32)OSIRIS_VA_CTRL2, |
| 85 | .pfn = __phys_to_pfn(OSIRIS_PA_CTRL2), |
| 86 | .length = SZ_16K, |
Ben Dooks | 705630d | 2006-07-26 20:16:39 +0100 | [diff] [blame] | 87 | .type = MT_DEVICE, |
Ben Dooks | c362aec | 2007-06-06 09:51:51 +0100 | [diff] [blame] | 88 | }, { |
| 89 | .virtual = (u32)OSIRIS_VA_IDREG, |
| 90 | .pfn = __phys_to_pfn(OSIRIS_PA_IDREG), |
| 91 | .length = SZ_16K, |
| 92 | .type = MT_DEVICE, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 93 | }, |
| 94 | }; |
| 95 | |
| 96 | #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK |
| 97 | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB |
| 98 | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE |
| 99 | |
| 100 | static struct s3c24xx_uart_clksrc osiris_serial_clocks[] = { |
| 101 | [0] = { |
| 102 | .name = "uclk", |
| 103 | .divisor = 1, |
| 104 | .min_baud = 0, |
| 105 | .max_baud = 0, |
| 106 | }, |
| 107 | [1] = { |
| 108 | .name = "pclk", |
| 109 | .divisor = 1, |
| 110 | .min_baud = 0, |
Ben Dooks | 705630d | 2006-07-26 20:16:39 +0100 | [diff] [blame] | 111 | .max_baud = 0, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 112 | } |
| 113 | }; |
| 114 | |
Ben Dooks | 66a9b49 | 2006-06-18 23:04:05 +0100 | [diff] [blame] | 115 | static struct s3c2410_uartcfg osiris_uartcfgs[] __initdata = { |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 116 | [0] = { |
| 117 | .hwport = 0, |
| 118 | .flags = 0, |
| 119 | .ucon = UCON, |
| 120 | .ulcon = ULCON, |
| 121 | .ufcon = UFCON, |
| 122 | .clocks = osiris_serial_clocks, |
Ben Dooks | 705630d | 2006-07-26 20:16:39 +0100 | [diff] [blame] | 123 | .clocks_size = ARRAY_SIZE(osiris_serial_clocks), |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 124 | }, |
| 125 | [1] = { |
Ben Dooks | e2e5810 | 2006-06-18 16:21:50 +0100 | [diff] [blame] | 126 | .hwport = 1, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 127 | .flags = 0, |
| 128 | .ucon = UCON, |
| 129 | .ulcon = ULCON, |
| 130 | .ufcon = UFCON, |
| 131 | .clocks = osiris_serial_clocks, |
Ben Dooks | 705630d | 2006-07-26 20:16:39 +0100 | [diff] [blame] | 132 | .clocks_size = ARRAY_SIZE(osiris_serial_clocks), |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 133 | }, |
Ben Dooks | ca7aa4d | 2006-12-07 20:49:01 +0100 | [diff] [blame] | 134 | [2] = { |
| 135 | .hwport = 2, |
| 136 | .flags = 0, |
| 137 | .ucon = UCON, |
| 138 | .ulcon = ULCON, |
| 139 | .ufcon = UFCON, |
| 140 | .clocks = osiris_serial_clocks, |
| 141 | .clocks_size = ARRAY_SIZE(osiris_serial_clocks), |
| 142 | } |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 143 | }; |
| 144 | |
| 145 | /* NAND Flash on Osiris board */ |
| 146 | |
| 147 | static int external_map[] = { 2 }; |
| 148 | static int chip0_map[] = { 0 }; |
| 149 | static int chip1_map[] = { 1 }; |
| 150 | |
Ben Dooks | 2a3a180 | 2009-09-28 13:59:49 +0300 | [diff] [blame^] | 151 | static struct mtd_partition __initdata osiris_default_nand_part[] = { |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 152 | [0] = { |
| 153 | .name = "Boot Agent", |
| 154 | .size = SZ_16K, |
Ben Dooks | 705630d | 2006-07-26 20:16:39 +0100 | [diff] [blame] | 155 | .offset = 0, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 156 | }, |
| 157 | [1] = { |
| 158 | .name = "/boot", |
| 159 | .size = SZ_4M - SZ_16K, |
| 160 | .offset = SZ_16K, |
| 161 | }, |
| 162 | [2] = { |
| 163 | .name = "user1", |
| 164 | .offset = SZ_4M, |
| 165 | .size = SZ_32M - SZ_4M, |
| 166 | }, |
| 167 | [3] = { |
| 168 | .name = "user2", |
| 169 | .offset = SZ_32M, |
| 170 | .size = MTDPART_SIZ_FULL, |
| 171 | } |
| 172 | }; |
| 173 | |
Ben Dooks | 2a3a180 | 2009-09-28 13:59:49 +0300 | [diff] [blame^] | 174 | static struct mtd_partition __initdata osiris_default_nand_part_large[] = { |
Ben Dooks | 3c3e69c | 2007-07-12 10:57:37 +0100 | [diff] [blame] | 175 | [0] = { |
| 176 | .name = "Boot Agent", |
| 177 | .size = SZ_128K, |
| 178 | .offset = 0, |
| 179 | }, |
| 180 | [1] = { |
| 181 | .name = "/boot", |
| 182 | .size = SZ_4M - SZ_128K, |
| 183 | .offset = SZ_128K, |
| 184 | }, |
| 185 | [2] = { |
| 186 | .name = "user1", |
| 187 | .offset = SZ_4M, |
| 188 | .size = SZ_32M - SZ_4M, |
| 189 | }, |
| 190 | [3] = { |
| 191 | .name = "user2", |
| 192 | .offset = SZ_32M, |
| 193 | .size = MTDPART_SIZ_FULL, |
| 194 | } |
| 195 | }; |
| 196 | |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 197 | /* the Osiris has 3 selectable slots for nand-flash, the two |
| 198 | * on-board chip areas, as well as the external slot. |
| 199 | * |
| 200 | * Note, there is no current hot-plug support for the External |
| 201 | * socket. |
| 202 | */ |
| 203 | |
Ben Dooks | 2a3a180 | 2009-09-28 13:59:49 +0300 | [diff] [blame^] | 204 | static struct s3c2410_nand_set __initdata osiris_nand_sets[] = { |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 205 | [1] = { |
| 206 | .name = "External", |
| 207 | .nr_chips = 1, |
| 208 | .nr_map = external_map, |
| 209 | .nr_partitions = ARRAY_SIZE(osiris_default_nand_part), |
Ben Dooks | 705630d | 2006-07-26 20:16:39 +0100 | [diff] [blame] | 210 | .partitions = osiris_default_nand_part, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 211 | }, |
| 212 | [0] = { |
| 213 | .name = "chip0", |
| 214 | .nr_chips = 1, |
| 215 | .nr_map = chip0_map, |
| 216 | .nr_partitions = ARRAY_SIZE(osiris_default_nand_part), |
Ben Dooks | 705630d | 2006-07-26 20:16:39 +0100 | [diff] [blame] | 217 | .partitions = osiris_default_nand_part, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 218 | }, |
| 219 | [2] = { |
| 220 | .name = "chip1", |
| 221 | .nr_chips = 1, |
| 222 | .nr_map = chip1_map, |
| 223 | .nr_partitions = ARRAY_SIZE(osiris_default_nand_part), |
Ben Dooks | 705630d | 2006-07-26 20:16:39 +0100 | [diff] [blame] | 224 | .partitions = osiris_default_nand_part, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 225 | }, |
| 226 | }; |
| 227 | |
| 228 | static void osiris_nand_select(struct s3c2410_nand_set *set, int slot) |
| 229 | { |
| 230 | unsigned int tmp; |
| 231 | |
| 232 | slot = set->nr_map[slot] & 3; |
| 233 | |
| 234 | pr_debug("osiris_nand: selecting slot %d (set %p,%p)\n", |
| 235 | slot, set, set->nr_map); |
| 236 | |
Ben Dooks | c362aec | 2007-06-06 09:51:51 +0100 | [diff] [blame] | 237 | tmp = __raw_readb(OSIRIS_VA_CTRL0); |
| 238 | tmp &= ~OSIRIS_CTRL0_NANDSEL; |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 239 | tmp |= slot; |
| 240 | |
Ben Dooks | c362aec | 2007-06-06 09:51:51 +0100 | [diff] [blame] | 241 | pr_debug("osiris_nand: ctrl0 now %02x\n", tmp); |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 242 | |
Ben Dooks | c362aec | 2007-06-06 09:51:51 +0100 | [diff] [blame] | 243 | __raw_writeb(tmp, OSIRIS_VA_CTRL0); |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 244 | } |
| 245 | |
Ben Dooks | 2a3a180 | 2009-09-28 13:59:49 +0300 | [diff] [blame^] | 246 | static struct s3c2410_platform_nand __initdata osiris_nand_info = { |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 247 | .tacls = 25, |
| 248 | .twrph0 = 60, |
| 249 | .twrph1 = 60, |
| 250 | .nr_sets = ARRAY_SIZE(osiris_nand_sets), |
| 251 | .sets = osiris_nand_sets, |
| 252 | .select_chip = osiris_nand_select, |
| 253 | }; |
| 254 | |
| 255 | /* PCMCIA control and configuration */ |
| 256 | |
| 257 | static struct resource osiris_pcmcia_resource[] = { |
| 258 | [0] = { |
| 259 | .start = 0x0f000000, |
| 260 | .end = 0x0f100000, |
| 261 | .flags = IORESOURCE_MEM, |
| 262 | }, |
| 263 | [1] = { |
| 264 | .start = 0x0c000000, |
| 265 | .end = 0x0c100000, |
| 266 | .flags = IORESOURCE_MEM, |
| 267 | } |
| 268 | }; |
| 269 | |
| 270 | static struct platform_device osiris_pcmcia = { |
| 271 | .name = "osiris-pcmcia", |
| 272 | .id = -1, |
| 273 | .num_resources = ARRAY_SIZE(osiris_pcmcia_resource), |
| 274 | .resource = osiris_pcmcia_resource, |
| 275 | }; |
| 276 | |
Ben Dooks | 5698bd2 | 2007-06-06 10:36:09 +0100 | [diff] [blame] | 277 | /* Osiris power management device */ |
| 278 | |
| 279 | #ifdef CONFIG_PM |
| 280 | static unsigned char pm_osiris_ctrl0; |
| 281 | |
| 282 | static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state) |
| 283 | { |
Ben Dooks | 28047ec | 2007-10-04 23:16:42 +0100 | [diff] [blame] | 284 | unsigned int tmp; |
| 285 | |
Ben Dooks | 5698bd2 | 2007-06-06 10:36:09 +0100 | [diff] [blame] | 286 | pm_osiris_ctrl0 = __raw_readb(OSIRIS_VA_CTRL0); |
Ben Dooks | 28047ec | 2007-10-04 23:16:42 +0100 | [diff] [blame] | 287 | tmp = pm_osiris_ctrl0 & ~OSIRIS_CTRL0_NANDSEL; |
| 288 | |
| 289 | /* ensure correct NAND slot is selected on resume */ |
| 290 | if ((pm_osiris_ctrl0 & OSIRIS_CTRL0_BOOT_INT) == 0) |
| 291 | tmp |= 2; |
| 292 | |
| 293 | __raw_writeb(tmp, OSIRIS_VA_CTRL0); |
| 294 | |
Ben Dooks | 4afcdda | 2007-10-04 23:18:08 +0100 | [diff] [blame] | 295 | /* ensure that an nRESET is not generated on resume. */ |
Ben Dooks | 070276d | 2009-05-17 22:32:23 +0100 | [diff] [blame] | 296 | s3c2410_gpio_setpin(S3C2410_GPA(21), 1); |
| 297 | s3c2410_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPIO_OUTPUT); |
Ben Dooks | 4afcdda | 2007-10-04 23:18:08 +0100 | [diff] [blame] | 298 | |
Ben Dooks | 5698bd2 | 2007-06-06 10:36:09 +0100 | [diff] [blame] | 299 | return 0; |
| 300 | } |
| 301 | |
| 302 | static int osiris_pm_resume(struct sys_device *sd) |
| 303 | { |
| 304 | if (pm_osiris_ctrl0 & OSIRIS_CTRL0_FIX8) |
| 305 | __raw_writeb(OSIRIS_CTRL1_FIX8, OSIRIS_VA_CTRL1); |
| 306 | |
Ben Dooks | 28047ec | 2007-10-04 23:16:42 +0100 | [diff] [blame] | 307 | __raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0); |
| 308 | |
Ben Dooks | 070276d | 2009-05-17 22:32:23 +0100 | [diff] [blame] | 309 | s3c2410_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); |
Ben Dooks | 4afcdda | 2007-10-04 23:18:08 +0100 | [diff] [blame] | 310 | |
Ben Dooks | 5698bd2 | 2007-06-06 10:36:09 +0100 | [diff] [blame] | 311 | return 0; |
| 312 | } |
| 313 | |
| 314 | #else |
| 315 | #define osiris_pm_suspend NULL |
| 316 | #define osiris_pm_resume NULL |
| 317 | #endif |
| 318 | |
| 319 | static struct sysdev_class osiris_pm_sysclass = { |
Kay Sievers | af5ca3f | 2007-12-20 02:09:39 +0100 | [diff] [blame] | 320 | .name = "mach-osiris", |
Ben Dooks | 5698bd2 | 2007-06-06 10:36:09 +0100 | [diff] [blame] | 321 | .suspend = osiris_pm_suspend, |
| 322 | .resume = osiris_pm_resume, |
| 323 | }; |
| 324 | |
| 325 | static struct sys_device osiris_pm_sysdev = { |
| 326 | .cls = &osiris_pm_sysclass, |
| 327 | }; |
| 328 | |
Ben Dooks | f337422 | 2008-07-03 11:24:40 +0100 | [diff] [blame] | 329 | /* I2C devices fitted. */ |
| 330 | |
| 331 | static struct i2c_board_info osiris_i2c_devs[] __initdata = { |
| 332 | { |
| 333 | I2C_BOARD_INFO("tps65011", 0x48), |
| 334 | .irq = IRQ_EINT20, |
| 335 | }, |
| 336 | }; |
| 337 | |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 338 | /* Standard Osiris devices */ |
| 339 | |
| 340 | static struct platform_device *osiris_devices[] __initdata = { |
Ben Dooks | 3e1b776 | 2008-10-31 16:14:40 +0000 | [diff] [blame] | 341 | &s3c_device_i2c0, |
Ben Dooks | 55ba86b | 2007-06-06 09:53:00 +0100 | [diff] [blame] | 342 | &s3c_device_wdt, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 343 | &s3c_device_nand, |
| 344 | &osiris_pcmcia, |
| 345 | }; |
| 346 | |
Ben Dooks | 2bc7509 | 2008-07-15 17:17:48 +0100 | [diff] [blame] | 347 | static struct clk *osiris_clocks[] __initdata = { |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 348 | &s3c24xx_dclk0, |
| 349 | &s3c24xx_dclk1, |
| 350 | &s3c24xx_clkout0, |
| 351 | &s3c24xx_clkout1, |
| 352 | &s3c24xx_uclk, |
| 353 | }; |
| 354 | |
Ben Dooks | baf6b28 | 2009-07-30 23:23:32 +0100 | [diff] [blame] | 355 | static struct s3c_cpufreq_board __initdata osiris_cpufreq = { |
| 356 | .refresh = 7800, /* refresh period is 7.8usec */ |
| 357 | .auto_io = 1, |
| 358 | .need_io = 1, |
| 359 | }; |
| 360 | |
Ben Dooks | da956fd | 2006-03-20 21:02:39 +0000 | [diff] [blame] | 361 | static void __init osiris_map_io(void) |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 362 | { |
Ben Dooks | da956fd | 2006-03-20 21:02:39 +0000 | [diff] [blame] | 363 | unsigned long flags; |
| 364 | |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 365 | /* initialise the clocks */ |
| 366 | |
Ben Dooks | d96a980 | 2008-04-16 00:12:39 +0100 | [diff] [blame] | 367 | s3c24xx_dclk0.parent = &clk_upll; |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 368 | s3c24xx_dclk0.rate = 12*1000*1000; |
| 369 | |
Ben Dooks | d96a980 | 2008-04-16 00:12:39 +0100 | [diff] [blame] | 370 | s3c24xx_dclk1.parent = &clk_upll; |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 371 | s3c24xx_dclk1.rate = 24*1000*1000; |
| 372 | |
| 373 | s3c24xx_clkout0.parent = &s3c24xx_dclk0; |
| 374 | s3c24xx_clkout1.parent = &s3c24xx_dclk1; |
| 375 | |
| 376 | s3c24xx_uclk.parent = &s3c24xx_clkout1; |
| 377 | |
Ben Dooks | ce89c20 | 2007-04-20 11:15:27 +0100 | [diff] [blame] | 378 | s3c24xx_register_clocks(osiris_clocks, ARRAY_SIZE(osiris_clocks)); |
| 379 | |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 380 | s3c24xx_init_io(osiris_iodesc, ARRAY_SIZE(osiris_iodesc)); |
| 381 | s3c24xx_init_clocks(0); |
| 382 | s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs)); |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 383 | |
Ben Dooks | 3c3e69c | 2007-07-12 10:57:37 +0100 | [diff] [blame] | 384 | /* check for the newer revision boards with large page nand */ |
| 385 | |
| 386 | if ((__raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK) >= 4) { |
| 387 | printk(KERN_INFO "OSIRIS-B detected (revision %d)\n", |
| 388 | __raw_readb(OSIRIS_VA_IDREG) & OSIRIS_ID_REVMASK); |
| 389 | osiris_nand_sets[0].partitions = osiris_default_nand_part_large; |
| 390 | osiris_nand_sets[0].nr_partitions = ARRAY_SIZE(osiris_default_nand_part_large); |
| 391 | } else { |
| 392 | /* write-protect line to the NAND */ |
Ben Dooks | 070276d | 2009-05-17 22:32:23 +0100 | [diff] [blame] | 393 | s3c2410_gpio_setpin(S3C2410_GPA(0), 1); |
Ben Dooks | 3c3e69c | 2007-07-12 10:57:37 +0100 | [diff] [blame] | 394 | } |
| 395 | |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 396 | /* fix bus configuration (nBE settings wrong on ABLE pre v2.20) */ |
Ben Dooks | da956fd | 2006-03-20 21:02:39 +0000 | [diff] [blame] | 397 | |
| 398 | local_irq_save(flags); |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 399 | __raw_writel(__raw_readl(S3C2410_BWSCON) | S3C2410_BWSCON_ST1 | S3C2410_BWSCON_ST2 | S3C2410_BWSCON_ST3 | S3C2410_BWSCON_ST4 | S3C2410_BWSCON_ST5, S3C2410_BWSCON); |
Ben Dooks | da956fd | 2006-03-20 21:02:39 +0000 | [diff] [blame] | 400 | local_irq_restore(flags); |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 401 | } |
| 402 | |
Ben Dooks | 57e5171 | 2007-04-20 11:19:16 +0100 | [diff] [blame] | 403 | static void __init osiris_init(void) |
| 404 | { |
Ben Dooks | 5698bd2 | 2007-06-06 10:36:09 +0100 | [diff] [blame] | 405 | sysdev_class_register(&osiris_pm_sysclass); |
| 406 | sysdev_register(&osiris_pm_sysdev); |
| 407 | |
Ben Dooks | 3e1b776 | 2008-10-31 16:14:40 +0000 | [diff] [blame] | 408 | s3c_i2c0_set_platdata(NULL); |
Ben Dooks | 2a3a180 | 2009-09-28 13:59:49 +0300 | [diff] [blame^] | 409 | s3c_nand_set_platdata(&osiris_nand_info); |
Ben Dooks | 3e1b776 | 2008-10-31 16:14:40 +0000 | [diff] [blame] | 410 | |
Ben Dooks | baf6b28 | 2009-07-30 23:23:32 +0100 | [diff] [blame] | 411 | s3c_cpufreq_setboard(&osiris_cpufreq); |
| 412 | |
Ben Dooks | f337422 | 2008-07-03 11:24:40 +0100 | [diff] [blame] | 413 | i2c_register_board_info(0, osiris_i2c_devs, |
| 414 | ARRAY_SIZE(osiris_i2c_devs)); |
| 415 | |
Ben Dooks | 57e5171 | 2007-04-20 11:19:16 +0100 | [diff] [blame] | 416 | platform_add_devices(osiris_devices, ARRAY_SIZE(osiris_devices)); |
| 417 | }; |
| 418 | |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 419 | MACHINE_START(OSIRIS, "Simtec-OSIRIS") |
| 420 | /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 421 | .phys_io = S3C2410_PA_UART, |
| 422 | .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, |
| 423 | .boot_params = S3C2410_SDRAM_PA + 0x100, |
| 424 | .map_io = osiris_map_io, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 425 | .init_irq = s3c24xx_init_irq, |
Ben Dooks | 5698bd2 | 2007-06-06 10:36:09 +0100 | [diff] [blame] | 426 | .init_machine = osiris_init, |
Ben Dooks | 110d322 | 2006-03-20 17:10:02 +0000 | [diff] [blame] | 427 | .timer = &s3c24xx_timer, |
| 428 | MACHINE_END |