Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 1 | /* |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 2 | * DBAu1200/PBAu1200 board platform device registration |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 3 | * |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 4 | * Copyright (C) 2008-2011 Manuel Lauss |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include <linux/dma-mapping.h> |
| 22 | #include <linux/gpio.h> |
| 23 | #include <linux/i2c.h> |
| 24 | #include <linux/init.h> |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 25 | #include <linux/interrupt.h> |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 26 | #include <linux/io.h> |
| 27 | #include <linux/leds.h> |
| 28 | #include <linux/mmc/host.h> |
| 29 | #include <linux/mtd/mtd.h> |
| 30 | #include <linux/mtd/nand.h> |
| 31 | #include <linux/mtd/partitions.h> |
| 32 | #include <linux/platform_device.h> |
| 33 | #include <linux/serial_8250.h> |
| 34 | #include <linux/spi/spi.h> |
| 35 | #include <linux/spi/flash.h> |
| 36 | #include <linux/smc91x.h> |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 37 | #include <asm/mach-au1x00/au1000.h> |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 38 | #include <asm/mach-au1x00/au1100_mmc.h> |
| 39 | #include <asm/mach-au1x00/au1xxx_dbdma.h> |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 40 | #include <asm/mach-au1x00/au1200fb.h> |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 41 | #include <asm/mach-au1x00/au1550_spi.h> |
| 42 | #include <asm/mach-db1x00/bcsr.h> |
| 43 | #include <asm/mach-db1x00/db1200.h> |
| 44 | |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 45 | #include "platform.h" |
| 46 | |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 47 | static const char *board_type_str(void) |
| 48 | { |
| 49 | switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) { |
| 50 | case BCSR_WHOAMI_PB1200_DDR1: |
| 51 | case BCSR_WHOAMI_PB1200_DDR2: |
| 52 | return "PB1200"; |
| 53 | case BCSR_WHOAMI_DB1200: |
| 54 | return "DB1200"; |
| 55 | default: |
| 56 | return "(unknown)"; |
| 57 | } |
| 58 | } |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 59 | |
| 60 | const char *get_system_type(void) |
| 61 | { |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 62 | return board_type_str(); |
| 63 | } |
| 64 | |
| 65 | static int __init detect_board(void) |
| 66 | { |
| 67 | int bid; |
| 68 | |
Manuel Lauss | f2711be | 2011-12-08 10:42:16 +0000 | [diff] [blame] | 69 | /* try the DB1200 first */ |
| 70 | bcsr_init(DB1200_BCSR_PHYS_ADDR, |
| 71 | DB1200_BCSR_PHYS_ADDR + DB1200_BCSR_HEXLED_OFS); |
| 72 | if (BCSR_WHOAMI_DB1200 == BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) { |
| 73 | unsigned short t = bcsr_read(BCSR_HEXLEDS); |
| 74 | bcsr_write(BCSR_HEXLEDS, ~t); |
| 75 | if (bcsr_read(BCSR_HEXLEDS) != t) { |
| 76 | bcsr_write(BCSR_HEXLEDS, t); |
| 77 | return 0; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | /* okay, try the PB1200 then */ |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 82 | bcsr_init(PB1200_BCSR_PHYS_ADDR, |
| 83 | PB1200_BCSR_PHYS_ADDR + PB1200_BCSR_HEXLED_OFS); |
| 84 | bid = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)); |
| 85 | if ((bid == BCSR_WHOAMI_PB1200_DDR1) || |
Manuel Lauss | f2711be | 2011-12-08 10:42:16 +0000 | [diff] [blame] | 86 | (bid == BCSR_WHOAMI_PB1200_DDR2)) { |
| 87 | unsigned short t = bcsr_read(BCSR_HEXLEDS); |
| 88 | bcsr_write(BCSR_HEXLEDS, ~t); |
| 89 | if (bcsr_read(BCSR_HEXLEDS) != t) { |
| 90 | bcsr_write(BCSR_HEXLEDS, t); |
| 91 | return 0; |
| 92 | } |
| 93 | } |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 94 | |
Manuel Lauss | f2711be | 2011-12-08 10:42:16 +0000 | [diff] [blame] | 95 | return 1; /* it's neither */ |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | void __init board_setup(void) |
| 99 | { |
| 100 | unsigned long freq0, clksrc, div, pfc; |
| 101 | unsigned short whoami; |
| 102 | |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 103 | if (detect_board()) { |
| 104 | printk(KERN_ERR "NOT running on a DB1200/PB1200 board!\n"); |
| 105 | return; |
| 106 | } |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 107 | |
| 108 | whoami = bcsr_read(BCSR_WHOAMI); |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 109 | printk(KERN_INFO "Alchemy/AMD/RMI %s Board, CPLD Rev %d" |
| 110 | " Board-ID %d Daughtercard ID %d\n", board_type_str(), |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 111 | (whoami >> 4) & 0xf, (whoami >> 8) & 0xf, whoami & 0xf); |
| 112 | |
| 113 | /* SMBus/SPI on PSC0, Audio on PSC1 */ |
| 114 | pfc = __raw_readl((void __iomem *)SYS_PINFUNC); |
| 115 | pfc &= ~(SYS_PINFUNC_P0A | SYS_PINFUNC_P0B); |
| 116 | pfc &= ~(SYS_PINFUNC_P1A | SYS_PINFUNC_P1B | SYS_PINFUNC_FS3); |
| 117 | pfc |= SYS_PINFUNC_P1C; /* SPI is configured later */ |
| 118 | __raw_writel(pfc, (void __iomem *)SYS_PINFUNC); |
| 119 | wmb(); |
| 120 | |
| 121 | /* Clock configurations: PSC0: ~50MHz via Clkgen0, derived from |
| 122 | * CPU clock; all other clock generators off/unused. |
| 123 | */ |
| 124 | div = (get_au1x00_speed() + 25000000) / 50000000; |
| 125 | if (div & 1) |
| 126 | div++; |
| 127 | div = ((div >> 1) - 1) & 0xff; |
| 128 | |
| 129 | freq0 = div << SYS_FC_FRDIV0_BIT; |
| 130 | __raw_writel(freq0, (void __iomem *)SYS_FREQCTRL0); |
| 131 | wmb(); |
| 132 | freq0 |= SYS_FC_FE0; /* enable F0 */ |
| 133 | __raw_writel(freq0, (void __iomem *)SYS_FREQCTRL0); |
| 134 | wmb(); |
| 135 | |
| 136 | /* psc0_intclk comes 1:1 from F0 */ |
| 137 | clksrc = SYS_CS_MUX_FQ0 << SYS_CS_ME0_BIT; |
| 138 | __raw_writel(clksrc, (void __iomem *)SYS_CLKSRC); |
| 139 | wmb(); |
| 140 | } |
| 141 | |
| 142 | /******************************************************************************/ |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 143 | |
| 144 | static struct mtd_partition db1200_spiflash_parts[] = { |
| 145 | { |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 146 | .name = "spi_flash", |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 147 | .offset = 0, |
| 148 | .size = MTDPART_SIZ_FULL, |
| 149 | }, |
| 150 | }; |
| 151 | |
| 152 | static struct flash_platform_data db1200_spiflash_data = { |
| 153 | .name = "s25fl001", |
| 154 | .parts = db1200_spiflash_parts, |
| 155 | .nr_parts = ARRAY_SIZE(db1200_spiflash_parts), |
| 156 | .type = "m25p10", |
| 157 | }; |
| 158 | |
| 159 | static struct spi_board_info db1200_spi_devs[] __initdata = { |
| 160 | { |
| 161 | /* TI TMP121AIDBVR temp sensor */ |
| 162 | .modalias = "tmp121", |
| 163 | .max_speed_hz = 2000000, |
| 164 | .bus_num = 0, |
| 165 | .chip_select = 0, |
| 166 | .mode = 0, |
| 167 | }, |
| 168 | { |
| 169 | /* Spansion S25FL001D0FMA SPI flash */ |
| 170 | .modalias = "m25p80", |
| 171 | .max_speed_hz = 50000000, |
| 172 | .bus_num = 0, |
| 173 | .chip_select = 1, |
| 174 | .mode = 0, |
| 175 | .platform_data = &db1200_spiflash_data, |
| 176 | }, |
| 177 | }; |
| 178 | |
| 179 | static struct i2c_board_info db1200_i2c_devs[] __initdata = { |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 180 | { I2C_BOARD_INFO("24c04", 0x52), }, /* AT24C04-10 I2C eeprom */ |
| 181 | { I2C_BOARD_INFO("ne1619", 0x2d), }, /* adm1025-compat hwmon */ |
| 182 | { I2C_BOARD_INFO("wm8731", 0x1b), }, /* I2S audio codec WM8731 */ |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 183 | }; |
| 184 | |
| 185 | /**********************************************************************/ |
| 186 | |
| 187 | static void au1200_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, |
| 188 | unsigned int ctrl) |
| 189 | { |
| 190 | struct nand_chip *this = mtd->priv; |
| 191 | unsigned long ioaddr = (unsigned long)this->IO_ADDR_W; |
| 192 | |
| 193 | ioaddr &= 0xffffff00; |
| 194 | |
| 195 | if (ctrl & NAND_CLE) { |
| 196 | ioaddr += MEM_STNAND_CMD; |
| 197 | } else if (ctrl & NAND_ALE) { |
| 198 | ioaddr += MEM_STNAND_ADDR; |
| 199 | } else { |
| 200 | /* assume we want to r/w real data by default */ |
| 201 | ioaddr += MEM_STNAND_DATA; |
| 202 | } |
| 203 | this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr; |
| 204 | if (cmd != NAND_CMD_NONE) { |
| 205 | __raw_writeb(cmd, this->IO_ADDR_W); |
| 206 | wmb(); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | static int au1200_nand_device_ready(struct mtd_info *mtd) |
| 211 | { |
| 212 | return __raw_readl((void __iomem *)MEM_STSTAT) & 1; |
| 213 | } |
| 214 | |
| 215 | static const char *db1200_part_probes[] = { "cmdlinepart", NULL }; |
| 216 | |
| 217 | static struct mtd_partition db1200_nand_parts[] = { |
| 218 | { |
| 219 | .name = "NAND FS 0", |
| 220 | .offset = 0, |
| 221 | .size = 8 * 1024 * 1024, |
| 222 | }, |
| 223 | { |
| 224 | .name = "NAND FS 1", |
| 225 | .offset = MTDPART_OFS_APPEND, |
| 226 | .size = MTDPART_SIZ_FULL |
| 227 | }, |
| 228 | }; |
| 229 | |
| 230 | struct platform_nand_data db1200_nand_platdata = { |
| 231 | .chip = { |
| 232 | .nr_chips = 1, |
| 233 | .chip_offset = 0, |
| 234 | .nr_partitions = ARRAY_SIZE(db1200_nand_parts), |
| 235 | .partitions = db1200_nand_parts, |
| 236 | .chip_delay = 20, |
| 237 | .part_probe_types = db1200_part_probes, |
| 238 | }, |
| 239 | .ctrl = { |
| 240 | .dev_ready = au1200_nand_device_ready, |
| 241 | .cmd_ctrl = au1200_nand_cmd_ctrl, |
| 242 | }, |
| 243 | }; |
| 244 | |
| 245 | static struct resource db1200_nand_res[] = { |
| 246 | [0] = { |
| 247 | .start = DB1200_NAND_PHYS_ADDR, |
| 248 | .end = DB1200_NAND_PHYS_ADDR + 0xff, |
| 249 | .flags = IORESOURCE_MEM, |
| 250 | }, |
| 251 | }; |
| 252 | |
| 253 | static struct platform_device db1200_nand_dev = { |
| 254 | .name = "gen_nand", |
| 255 | .num_resources = ARRAY_SIZE(db1200_nand_res), |
| 256 | .resource = db1200_nand_res, |
| 257 | .id = -1, |
| 258 | .dev = { |
| 259 | .platform_data = &db1200_nand_platdata, |
| 260 | } |
| 261 | }; |
| 262 | |
| 263 | /**********************************************************************/ |
| 264 | |
| 265 | static struct smc91x_platdata db1200_eth_data = { |
| 266 | .flags = SMC91X_NOWAIT | SMC91X_USE_16BIT, |
| 267 | .leda = RPC_LED_100_10, |
| 268 | .ledb = RPC_LED_TX_RX, |
| 269 | }; |
| 270 | |
| 271 | static struct resource db1200_eth_res[] = { |
| 272 | [0] = { |
| 273 | .start = DB1200_ETH_PHYS_ADDR, |
| 274 | .end = DB1200_ETH_PHYS_ADDR + 0xf, |
| 275 | .flags = IORESOURCE_MEM, |
| 276 | }, |
| 277 | [1] = { |
| 278 | .start = DB1200_ETH_INT, |
| 279 | .end = DB1200_ETH_INT, |
| 280 | .flags = IORESOURCE_IRQ, |
| 281 | }, |
| 282 | }; |
| 283 | |
| 284 | static struct platform_device db1200_eth_dev = { |
| 285 | .dev = { |
| 286 | .platform_data = &db1200_eth_data, |
| 287 | }, |
| 288 | .name = "smc91x", |
| 289 | .id = -1, |
| 290 | .num_resources = ARRAY_SIZE(db1200_eth_res), |
| 291 | .resource = db1200_eth_res, |
| 292 | }; |
| 293 | |
| 294 | /**********************************************************************/ |
| 295 | |
| 296 | static struct resource db1200_ide_res[] = { |
| 297 | [0] = { |
| 298 | .start = DB1200_IDE_PHYS_ADDR, |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 299 | .end = DB1200_IDE_PHYS_ADDR + DB1200_IDE_PHYS_LEN - 1, |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 300 | .flags = IORESOURCE_MEM, |
| 301 | }, |
| 302 | [1] = { |
| 303 | .start = DB1200_IDE_INT, |
| 304 | .end = DB1200_IDE_INT, |
| 305 | .flags = IORESOURCE_IRQ, |
Manuel Lauss | d4f07ae | 2011-08-18 11:11:58 +0200 | [diff] [blame] | 306 | }, |
| 307 | [2] = { |
Manuel Lauss | f2e442f | 2011-08-12 11:39:42 +0200 | [diff] [blame] | 308 | .start = AU1200_DSCR_CMD0_DMA_REQ1, |
| 309 | .end = AU1200_DSCR_CMD0_DMA_REQ1, |
Manuel Lauss | d4f07ae | 2011-08-18 11:11:58 +0200 | [diff] [blame] | 310 | .flags = IORESOURCE_DMA, |
| 311 | }, |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 312 | }; |
| 313 | |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 314 | static u64 au1200_ide_dmamask = DMA_BIT_MASK(32); |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 315 | |
| 316 | static struct platform_device db1200_ide_dev = { |
| 317 | .name = "au1200-ide", |
| 318 | .id = 0, |
| 319 | .dev = { |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 320 | .dma_mask = &au1200_ide_dmamask, |
FUJITA Tomonori | 25c8f83 | 2010-06-24 01:26:09 +0900 | [diff] [blame] | 321 | .coherent_dma_mask = DMA_BIT_MASK(32), |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 322 | }, |
| 323 | .num_resources = ARRAY_SIZE(db1200_ide_res), |
| 324 | .resource = db1200_ide_res, |
| 325 | }; |
| 326 | |
| 327 | /**********************************************************************/ |
| 328 | |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 329 | /* SD carddetects: they're supposed to be edge-triggered, but ack |
| 330 | * doesn't seem to work (CPLD Rev 2). Instead, the screaming one |
| 331 | * is disabled and its counterpart enabled. The 500ms timeout is |
| 332 | * because the carddetect isn't debounced in hardware. |
| 333 | */ |
| 334 | static irqreturn_t db1200_mmc_cd(int irq, void *ptr) |
| 335 | { |
| 336 | void(*mmc_cd)(struct mmc_host *, unsigned long); |
| 337 | |
| 338 | if (irq == DB1200_SD0_INSERT_INT) { |
| 339 | disable_irq_nosync(DB1200_SD0_INSERT_INT); |
| 340 | enable_irq(DB1200_SD0_EJECT_INT); |
| 341 | } else { |
| 342 | disable_irq_nosync(DB1200_SD0_EJECT_INT); |
| 343 | enable_irq(DB1200_SD0_INSERT_INT); |
| 344 | } |
| 345 | |
| 346 | /* link against CONFIG_MMC=m */ |
| 347 | mmc_cd = symbol_get(mmc_detect_change); |
| 348 | if (mmc_cd) { |
| 349 | mmc_cd(ptr, msecs_to_jiffies(500)); |
| 350 | symbol_put(mmc_detect_change); |
| 351 | } |
| 352 | |
| 353 | return IRQ_HANDLED; |
| 354 | } |
| 355 | |
| 356 | static int db1200_mmc_cd_setup(void *mmc_host, int en) |
| 357 | { |
| 358 | int ret; |
| 359 | |
| 360 | if (en) { |
| 361 | ret = request_irq(DB1200_SD0_INSERT_INT, db1200_mmc_cd, |
Yong Zhang | 8b5690f | 2011-11-22 14:38:03 +0000 | [diff] [blame] | 362 | 0, "sd_insert", mmc_host); |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 363 | if (ret) |
| 364 | goto out; |
| 365 | |
| 366 | ret = request_irq(DB1200_SD0_EJECT_INT, db1200_mmc_cd, |
Yong Zhang | 8b5690f | 2011-11-22 14:38:03 +0000 | [diff] [blame] | 367 | 0, "sd_eject", mmc_host); |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 368 | if (ret) { |
| 369 | free_irq(DB1200_SD0_INSERT_INT, mmc_host); |
| 370 | goto out; |
| 371 | } |
| 372 | |
| 373 | if (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT) |
| 374 | enable_irq(DB1200_SD0_EJECT_INT); |
| 375 | else |
| 376 | enable_irq(DB1200_SD0_INSERT_INT); |
| 377 | |
| 378 | } else { |
| 379 | free_irq(DB1200_SD0_INSERT_INT, mmc_host); |
| 380 | free_irq(DB1200_SD0_EJECT_INT, mmc_host); |
| 381 | } |
| 382 | ret = 0; |
| 383 | out: |
| 384 | return ret; |
| 385 | } |
| 386 | |
| 387 | static void db1200_mmc_set_power(void *mmc_host, int state) |
| 388 | { |
| 389 | if (state) { |
| 390 | bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD0PWR); |
| 391 | msleep(400); /* stabilization time */ |
| 392 | } else |
| 393 | bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD0PWR, 0); |
| 394 | } |
| 395 | |
| 396 | static int db1200_mmc_card_readonly(void *mmc_host) |
| 397 | { |
| 398 | return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 1 : 0; |
| 399 | } |
| 400 | |
| 401 | static int db1200_mmc_card_inserted(void *mmc_host) |
| 402 | { |
| 403 | return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT) ? 1 : 0; |
| 404 | } |
| 405 | |
| 406 | static void db1200_mmcled_set(struct led_classdev *led, |
| 407 | enum led_brightness brightness) |
| 408 | { |
| 409 | if (brightness != LED_OFF) |
| 410 | bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0); |
| 411 | else |
| 412 | bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0); |
| 413 | } |
| 414 | |
| 415 | static struct led_classdev db1200_mmc_led = { |
| 416 | .brightness_set = db1200_mmcled_set, |
| 417 | }; |
| 418 | |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 419 | /* -- */ |
| 420 | |
| 421 | static irqreturn_t pb1200_mmc1_cd(int irq, void *ptr) |
| 422 | { |
| 423 | void(*mmc_cd)(struct mmc_host *, unsigned long); |
| 424 | |
| 425 | if (irq == PB1200_SD1_INSERT_INT) { |
| 426 | disable_irq_nosync(PB1200_SD1_INSERT_INT); |
| 427 | enable_irq(PB1200_SD1_EJECT_INT); |
| 428 | } else { |
| 429 | disable_irq_nosync(PB1200_SD1_EJECT_INT); |
| 430 | enable_irq(PB1200_SD1_INSERT_INT); |
| 431 | } |
| 432 | |
| 433 | /* link against CONFIG_MMC=m */ |
| 434 | mmc_cd = symbol_get(mmc_detect_change); |
| 435 | if (mmc_cd) { |
| 436 | mmc_cd(ptr, msecs_to_jiffies(500)); |
| 437 | symbol_put(mmc_detect_change); |
| 438 | } |
| 439 | |
| 440 | return IRQ_HANDLED; |
| 441 | } |
| 442 | |
| 443 | static int pb1200_mmc1_cd_setup(void *mmc_host, int en) |
| 444 | { |
| 445 | int ret; |
| 446 | |
| 447 | if (en) { |
| 448 | ret = request_irq(PB1200_SD1_INSERT_INT, pb1200_mmc1_cd, 0, |
| 449 | "sd1_insert", mmc_host); |
| 450 | if (ret) |
| 451 | goto out; |
| 452 | |
| 453 | ret = request_irq(PB1200_SD1_EJECT_INT, pb1200_mmc1_cd, 0, |
| 454 | "sd1_eject", mmc_host); |
| 455 | if (ret) { |
| 456 | free_irq(PB1200_SD1_INSERT_INT, mmc_host); |
| 457 | goto out; |
| 458 | } |
| 459 | |
| 460 | if (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) |
| 461 | enable_irq(PB1200_SD1_EJECT_INT); |
| 462 | else |
| 463 | enable_irq(PB1200_SD1_INSERT_INT); |
| 464 | |
| 465 | } else { |
| 466 | free_irq(PB1200_SD1_INSERT_INT, mmc_host); |
| 467 | free_irq(PB1200_SD1_EJECT_INT, mmc_host); |
| 468 | } |
| 469 | ret = 0; |
| 470 | out: |
| 471 | return ret; |
| 472 | } |
| 473 | |
| 474 | static void pb1200_mmc1led_set(struct led_classdev *led, |
| 475 | enum led_brightness brightness) |
| 476 | { |
| 477 | if (brightness != LED_OFF) |
| 478 | bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0); |
| 479 | else |
| 480 | bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1); |
| 481 | } |
| 482 | |
| 483 | static struct led_classdev pb1200_mmc1_led = { |
| 484 | .brightness_set = pb1200_mmc1led_set, |
| 485 | }; |
| 486 | |
| 487 | static void pb1200_mmc1_set_power(void *mmc_host, int state) |
| 488 | { |
| 489 | if (state) { |
| 490 | bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD1PWR); |
| 491 | msleep(400); /* stabilization time */ |
| 492 | } else |
| 493 | bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD1PWR, 0); |
| 494 | } |
| 495 | |
| 496 | static int pb1200_mmc1_card_readonly(void *mmc_host) |
| 497 | { |
| 498 | return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD1WP) ? 1 : 0; |
| 499 | } |
| 500 | |
| 501 | static int pb1200_mmc1_card_inserted(void *mmc_host) |
| 502 | { |
| 503 | return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) ? 1 : 0; |
| 504 | } |
| 505 | |
| 506 | |
| 507 | static struct au1xmmc_platform_data db1200_mmc_platdata[2] = { |
| 508 | [0] = { |
| 509 | .cd_setup = db1200_mmc_cd_setup, |
| 510 | .set_power = db1200_mmc_set_power, |
| 511 | .card_inserted = db1200_mmc_card_inserted, |
| 512 | .card_readonly = db1200_mmc_card_readonly, |
| 513 | .led = &db1200_mmc_led, |
| 514 | }, |
| 515 | [1] = { |
| 516 | .cd_setup = pb1200_mmc1_cd_setup, |
| 517 | .set_power = pb1200_mmc1_set_power, |
| 518 | .card_inserted = pb1200_mmc1_card_inserted, |
| 519 | .card_readonly = pb1200_mmc1_card_readonly, |
| 520 | .led = &pb1200_mmc1_led, |
| 521 | }, |
Manuel Lauss | 376638603 | 2011-08-12 11:39:45 +0200 | [diff] [blame] | 522 | }; |
| 523 | |
| 524 | static struct resource au1200_mmc0_resources[] = { |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 525 | [0] = { |
Manuel Lauss | 376638603 | 2011-08-12 11:39:45 +0200 | [diff] [blame] | 526 | .start = AU1100_SD0_PHYS_ADDR, |
| 527 | .end = AU1100_SD0_PHYS_ADDR + 0xfff, |
| 528 | .flags = IORESOURCE_MEM, |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 529 | }, |
Manuel Lauss | 376638603 | 2011-08-12 11:39:45 +0200 | [diff] [blame] | 530 | [1] = { |
| 531 | .start = AU1200_SD_INT, |
| 532 | .end = AU1200_SD_INT, |
| 533 | .flags = IORESOURCE_IRQ, |
| 534 | }, |
| 535 | [2] = { |
| 536 | .start = AU1200_DSCR_CMD0_SDMS_TX0, |
| 537 | .end = AU1200_DSCR_CMD0_SDMS_TX0, |
| 538 | .flags = IORESOURCE_DMA, |
| 539 | }, |
| 540 | [3] = { |
| 541 | .start = AU1200_DSCR_CMD0_SDMS_RX0, |
| 542 | .end = AU1200_DSCR_CMD0_SDMS_RX0, |
| 543 | .flags = IORESOURCE_DMA, |
| 544 | } |
| 545 | }; |
| 546 | |
| 547 | static u64 au1xxx_mmc_dmamask = DMA_BIT_MASK(32); |
| 548 | |
| 549 | static struct platform_device db1200_mmc0_dev = { |
| 550 | .name = "au1xxx-mmc", |
| 551 | .id = 0, |
| 552 | .dev = { |
| 553 | .dma_mask = &au1xxx_mmc_dmamask, |
| 554 | .coherent_dma_mask = DMA_BIT_MASK(32), |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 555 | .platform_data = &db1200_mmc_platdata[0], |
Manuel Lauss | 376638603 | 2011-08-12 11:39:45 +0200 | [diff] [blame] | 556 | }, |
| 557 | .num_resources = ARRAY_SIZE(au1200_mmc0_resources), |
| 558 | .resource = au1200_mmc0_resources, |
| 559 | }; |
| 560 | |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 561 | static struct resource au1200_mmc1_res[] = { |
| 562 | [0] = { |
| 563 | .start = AU1100_SD1_PHYS_ADDR, |
| 564 | .end = AU1100_SD1_PHYS_ADDR + 0xfff, |
| 565 | .flags = IORESOURCE_MEM, |
| 566 | }, |
| 567 | [1] = { |
| 568 | .start = AU1200_SD_INT, |
| 569 | .end = AU1200_SD_INT, |
| 570 | .flags = IORESOURCE_IRQ, |
| 571 | }, |
| 572 | [2] = { |
| 573 | .start = AU1200_DSCR_CMD0_SDMS_TX1, |
| 574 | .end = AU1200_DSCR_CMD0_SDMS_TX1, |
| 575 | .flags = IORESOURCE_DMA, |
| 576 | }, |
| 577 | [3] = { |
| 578 | .start = AU1200_DSCR_CMD0_SDMS_RX1, |
| 579 | .end = AU1200_DSCR_CMD0_SDMS_RX1, |
| 580 | .flags = IORESOURCE_DMA, |
| 581 | } |
| 582 | }; |
| 583 | |
| 584 | static struct platform_device pb1200_mmc1_dev = { |
| 585 | .name = "au1xxx-mmc", |
| 586 | .id = 1, |
| 587 | .dev = { |
| 588 | .dma_mask = &au1xxx_mmc_dmamask, |
| 589 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 590 | .platform_data = &db1200_mmc_platdata[1], |
| 591 | }, |
| 592 | .num_resources = ARRAY_SIZE(au1200_mmc1_res), |
| 593 | .resource = au1200_mmc1_res, |
| 594 | }; |
| 595 | |
Manuel Lauss | 376638603 | 2011-08-12 11:39:45 +0200 | [diff] [blame] | 596 | /**********************************************************************/ |
| 597 | |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 598 | static int db1200fb_panel_index(void) |
| 599 | { |
| 600 | return (bcsr_read(BCSR_SWITCHES) >> 8) & 0x0f; |
| 601 | } |
| 602 | |
| 603 | static int db1200fb_panel_init(void) |
| 604 | { |
| 605 | /* Apply power */ |
| 606 | bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | |
| 607 | BCSR_BOARD_LCDBL); |
| 608 | return 0; |
| 609 | } |
| 610 | |
| 611 | static int db1200fb_panel_shutdown(void) |
| 612 | { |
| 613 | /* Remove power */ |
| 614 | bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | |
| 615 | BCSR_BOARD_LCDBL, 0); |
| 616 | return 0; |
| 617 | } |
| 618 | |
| 619 | static struct au1200fb_platdata db1200fb_pd = { |
| 620 | .panel_index = db1200fb_panel_index, |
| 621 | .panel_init = db1200fb_panel_init, |
| 622 | .panel_shutdown = db1200fb_panel_shutdown, |
| 623 | }; |
| 624 | |
Manuel Lauss | 376638603 | 2011-08-12 11:39:45 +0200 | [diff] [blame] | 625 | static struct resource au1200_lcd_res[] = { |
| 626 | [0] = { |
| 627 | .start = AU1200_LCD_PHYS_ADDR, |
| 628 | .end = AU1200_LCD_PHYS_ADDR + 0x800 - 1, |
| 629 | .flags = IORESOURCE_MEM, |
| 630 | }, |
| 631 | [1] = { |
| 632 | .start = AU1200_LCD_INT, |
| 633 | .end = AU1200_LCD_INT, |
| 634 | .flags = IORESOURCE_IRQ, |
| 635 | } |
| 636 | }; |
| 637 | |
| 638 | static u64 au1200_lcd_dmamask = DMA_BIT_MASK(32); |
| 639 | |
| 640 | static struct platform_device au1200_lcd_dev = { |
| 641 | .name = "au1200-lcd", |
| 642 | .id = 0, |
| 643 | .dev = { |
| 644 | .dma_mask = &au1200_lcd_dmamask, |
| 645 | .coherent_dma_mask = DMA_BIT_MASK(32), |
Manuel Lauss | a9b71a8 | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 646 | .platform_data = &db1200fb_pd, |
Manuel Lauss | 376638603 | 2011-08-12 11:39:45 +0200 | [diff] [blame] | 647 | }, |
| 648 | .num_resources = ARRAY_SIZE(au1200_lcd_res), |
| 649 | .resource = au1200_lcd_res, |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 650 | }; |
| 651 | |
| 652 | /**********************************************************************/ |
| 653 | |
| 654 | static struct resource au1200_psc0_res[] = { |
| 655 | [0] = { |
Manuel Lauss | 7cc2e27 | 2011-08-12 11:39:40 +0200 | [diff] [blame] | 656 | .start = AU1550_PSC0_PHYS_ADDR, |
| 657 | .end = AU1550_PSC0_PHYS_ADDR + 0xfff, |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 658 | .flags = IORESOURCE_MEM, |
| 659 | }, |
| 660 | [1] = { |
| 661 | .start = AU1200_PSC0_INT, |
| 662 | .end = AU1200_PSC0_INT, |
| 663 | .flags = IORESOURCE_IRQ, |
| 664 | }, |
| 665 | [2] = { |
Manuel Lauss | f2e442f | 2011-08-12 11:39:42 +0200 | [diff] [blame] | 666 | .start = AU1200_DSCR_CMD0_PSC0_TX, |
| 667 | .end = AU1200_DSCR_CMD0_PSC0_TX, |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 668 | .flags = IORESOURCE_DMA, |
| 669 | }, |
| 670 | [3] = { |
Manuel Lauss | f2e442f | 2011-08-12 11:39:42 +0200 | [diff] [blame] | 671 | .start = AU1200_DSCR_CMD0_PSC0_RX, |
| 672 | .end = AU1200_DSCR_CMD0_PSC0_RX, |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 673 | .flags = IORESOURCE_DMA, |
| 674 | }, |
| 675 | }; |
| 676 | |
| 677 | static struct platform_device db1200_i2c_dev = { |
| 678 | .name = "au1xpsc_smbus", |
| 679 | .id = 0, /* bus number */ |
| 680 | .num_resources = ARRAY_SIZE(au1200_psc0_res), |
| 681 | .resource = au1200_psc0_res, |
| 682 | }; |
| 683 | |
| 684 | static void db1200_spi_cs_en(struct au1550_spi_info *spi, int cs, int pol) |
| 685 | { |
| 686 | if (cs) |
| 687 | bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_SPISEL); |
| 688 | else |
| 689 | bcsr_mod(BCSR_RESETS, BCSR_RESETS_SPISEL, 0); |
| 690 | } |
| 691 | |
| 692 | static struct au1550_spi_info db1200_spi_platdata = { |
| 693 | .mainclk_hz = 50000000, /* PSC0 clock */ |
| 694 | .num_chipselect = 2, |
| 695 | .activate_cs = db1200_spi_cs_en, |
| 696 | }; |
| 697 | |
FUJITA Tomonori | 25c8f83 | 2010-06-24 01:26:09 +0900 | [diff] [blame] | 698 | static u64 spi_dmamask = DMA_BIT_MASK(32); |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 699 | |
| 700 | static struct platform_device db1200_spi_dev = { |
| 701 | .dev = { |
| 702 | .dma_mask = &spi_dmamask, |
FUJITA Tomonori | 25c8f83 | 2010-06-24 01:26:09 +0900 | [diff] [blame] | 703 | .coherent_dma_mask = DMA_BIT_MASK(32), |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 704 | .platform_data = &db1200_spi_platdata, |
| 705 | }, |
| 706 | .name = "au1550-spi", |
| 707 | .id = 0, /* bus number */ |
| 708 | .num_resources = ARRAY_SIZE(au1200_psc0_res), |
| 709 | .resource = au1200_psc0_res, |
| 710 | }; |
| 711 | |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 712 | static struct resource au1200_psc1_res[] = { |
| 713 | [0] = { |
Manuel Lauss | 7cc2e27 | 2011-08-12 11:39:40 +0200 | [diff] [blame] | 714 | .start = AU1550_PSC1_PHYS_ADDR, |
| 715 | .end = AU1550_PSC1_PHYS_ADDR + 0xfff, |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 716 | .flags = IORESOURCE_MEM, |
| 717 | }, |
| 718 | [1] = { |
| 719 | .start = AU1200_PSC1_INT, |
| 720 | .end = AU1200_PSC1_INT, |
| 721 | .flags = IORESOURCE_IRQ, |
| 722 | }, |
| 723 | [2] = { |
Manuel Lauss | f2e442f | 2011-08-12 11:39:42 +0200 | [diff] [blame] | 724 | .start = AU1200_DSCR_CMD0_PSC1_TX, |
| 725 | .end = AU1200_DSCR_CMD0_PSC1_TX, |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 726 | .flags = IORESOURCE_DMA, |
| 727 | }, |
| 728 | [3] = { |
Manuel Lauss | f2e442f | 2011-08-12 11:39:42 +0200 | [diff] [blame] | 729 | .start = AU1200_DSCR_CMD0_PSC1_RX, |
| 730 | .end = AU1200_DSCR_CMD0_PSC1_RX, |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 731 | .flags = IORESOURCE_DMA, |
| 732 | }, |
| 733 | }; |
| 734 | |
Manuel Lauss | adbc7a5 | 2011-07-25 13:45:03 +0200 | [diff] [blame] | 735 | /* AC97 or I2S device */ |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 736 | static struct platform_device db1200_audio_dev = { |
| 737 | /* name assigned later based on switch setting */ |
| 738 | .id = 1, /* PSC ID */ |
| 739 | .num_resources = ARRAY_SIZE(au1200_psc1_res), |
| 740 | .resource = au1200_psc1_res, |
| 741 | }; |
| 742 | |
Manuel Lauss | adbc7a5 | 2011-07-25 13:45:03 +0200 | [diff] [blame] | 743 | /* DB1200 ASoC card device */ |
| 744 | static struct platform_device db1200_sound_dev = { |
| 745 | /* name assigned later based on switch setting */ |
| 746 | .id = 1, /* PSC ID */ |
| 747 | }; |
| 748 | |
Manuel Lauss | ffc4fdb | 2010-08-26 14:53:51 +0200 | [diff] [blame] | 749 | static struct platform_device db1200_stac_dev = { |
| 750 | .name = "ac97-codec", |
| 751 | .id = 1, /* on PSC1 */ |
| 752 | }; |
| 753 | |
Manuel Lauss | 5b0912b | 2011-07-25 13:45:02 +0200 | [diff] [blame] | 754 | static struct platform_device db1200_audiodma_dev = { |
| 755 | .name = "au1xpsc-pcm", |
| 756 | .id = 1, /* PSC ID */ |
| 757 | }; |
| 758 | |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 759 | static struct platform_device *db1200_devs[] __initdata = { |
| 760 | NULL, /* PSC0, selected by S6.8 */ |
| 761 | &db1200_ide_dev, |
Manuel Lauss | 376638603 | 2011-08-12 11:39:45 +0200 | [diff] [blame] | 762 | &db1200_mmc0_dev, |
| 763 | &au1200_lcd_dev, |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 764 | &db1200_eth_dev, |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 765 | &db1200_nand_dev, |
Manuel Lauss | 5b0912b | 2011-07-25 13:45:02 +0200 | [diff] [blame] | 766 | &db1200_audiodma_dev, |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 767 | &db1200_audio_dev, |
Manuel Lauss | ffc4fdb | 2010-08-26 14:53:51 +0200 | [diff] [blame] | 768 | &db1200_stac_dev, |
Manuel Lauss | adbc7a5 | 2011-07-25 13:45:03 +0200 | [diff] [blame] | 769 | &db1200_sound_dev, |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 770 | }; |
| 771 | |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 772 | static struct platform_device *pb1200_devs[] __initdata = { |
| 773 | &pb1200_mmc1_dev, |
| 774 | }; |
| 775 | |
| 776 | /* Some peripheral base addresses differ on the PB1200 */ |
| 777 | static int __init pb1200_res_fixup(void) |
| 778 | { |
| 779 | /* CPLD Revs earlier than 4 cause problems */ |
| 780 | if (BCSR_WHOAMI_CPLD(bcsr_read(BCSR_WHOAMI)) <= 3) { |
| 781 | printk(KERN_ERR "WARNING!!!\n"); |
| 782 | printk(KERN_ERR "WARNING!!!\n"); |
| 783 | printk(KERN_ERR "PB1200 must be at CPLD rev 4. Please have\n"); |
| 784 | printk(KERN_ERR "the board updated to latest revisions.\n"); |
| 785 | printk(KERN_ERR "This software will not work reliably\n"); |
| 786 | printk(KERN_ERR "on anything older than CPLD rev 4.!\n"); |
| 787 | printk(KERN_ERR "WARNING!!!\n"); |
| 788 | printk(KERN_ERR "WARNING!!!\n"); |
| 789 | return 1; |
| 790 | } |
| 791 | |
| 792 | db1200_nand_res[0].start = PB1200_NAND_PHYS_ADDR; |
| 793 | db1200_nand_res[0].end = PB1200_NAND_PHYS_ADDR + 0xff; |
| 794 | db1200_ide_res[0].start = PB1200_IDE_PHYS_ADDR; |
| 795 | db1200_ide_res[0].end = PB1200_IDE_PHYS_ADDR + DB1200_IDE_PHYS_LEN - 1; |
| 796 | db1200_eth_res[0].start = PB1200_ETH_PHYS_ADDR; |
| 797 | db1200_eth_res[0].end = PB1200_ETH_PHYS_ADDR + 0xff; |
| 798 | return 0; |
| 799 | } |
| 800 | |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 801 | static int __init db1200_dev_init(void) |
| 802 | { |
| 803 | unsigned long pfc; |
| 804 | unsigned short sw; |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 805 | int swapped, bid; |
| 806 | |
| 807 | bid = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)); |
| 808 | if ((bid == BCSR_WHOAMI_PB1200_DDR1) || |
| 809 | (bid == BCSR_WHOAMI_PB1200_DDR2)) { |
| 810 | if (pb1200_res_fixup()) |
| 811 | return -ENODEV; |
| 812 | } |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 813 | |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 814 | /* GPIO7 is low-level triggered CPLD cascade */ |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 815 | irq_set_irq_type(AU1200_GPIO7_INT, IRQ_TYPE_LEVEL_LOW); |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 816 | bcsr_init_irq(DB1200_INT_BEGIN, DB1200_INT_END, AU1200_GPIO7_INT); |
| 817 | |
| 818 | /* insert/eject pairs: one of both is always screaming. To avoid |
| 819 | * issues they must not be automatically enabled when initially |
| 820 | * requested. |
| 821 | */ |
| 822 | irq_set_status_flags(DB1200_SD0_INSERT_INT, IRQ_NOAUTOEN); |
| 823 | irq_set_status_flags(DB1200_SD0_EJECT_INT, IRQ_NOAUTOEN); |
| 824 | irq_set_status_flags(DB1200_PC0_INSERT_INT, IRQ_NOAUTOEN); |
| 825 | irq_set_status_flags(DB1200_PC0_EJECT_INT, IRQ_NOAUTOEN); |
| 826 | irq_set_status_flags(DB1200_PC1_INSERT_INT, IRQ_NOAUTOEN); |
| 827 | irq_set_status_flags(DB1200_PC1_EJECT_INT, IRQ_NOAUTOEN); |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 828 | |
| 829 | i2c_register_board_info(0, db1200_i2c_devs, |
| 830 | ARRAY_SIZE(db1200_i2c_devs)); |
| 831 | spi_register_board_info(db1200_spi_devs, |
| 832 | ARRAY_SIZE(db1200_i2c_devs)); |
| 833 | |
| 834 | /* SWITCHES: S6.8 I2C/SPI selector (OFF=I2C ON=SPI) |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 835 | * S6.7 AC97/I2S selector (OFF=AC97 ON=I2S) |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 836 | * or S12 on the PB1200. |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 837 | */ |
| 838 | |
| 839 | /* NOTE: GPIO215 controls OTG VBUS supply. In SPI mode however |
| 840 | * this pin is claimed by PSC0 (unused though, but pinmux doesn't |
| 841 | * allow to free it without crippling the SPI interface). |
| 842 | * As a result, in SPI mode, OTG simply won't work (PSC0 uses |
| 843 | * it as an input pin which is pulled high on the boards). |
| 844 | */ |
| 845 | pfc = __raw_readl((void __iomem *)SYS_PINFUNC) & ~SYS_PINFUNC_P0A; |
| 846 | |
| 847 | /* switch off OTG VBUS supply */ |
| 848 | gpio_request(215, "otg-vbus"); |
| 849 | gpio_direction_output(215, 1); |
| 850 | |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 851 | printk(KERN_INFO "%s device configuration:\n", board_type_str()); |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 852 | |
| 853 | sw = bcsr_read(BCSR_SWITCHES); |
| 854 | if (sw & BCSR_SWITCHES_DIP_8) { |
| 855 | db1200_devs[0] = &db1200_i2c_dev; |
| 856 | bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC0MUX, 0); |
| 857 | |
| 858 | pfc |= (2 << 17); /* GPIO2 block owns GPIO215 */ |
| 859 | |
| 860 | printk(KERN_INFO " S6.8 OFF: PSC0 mode I2C\n"); |
| 861 | printk(KERN_INFO " OTG port VBUS supply available!\n"); |
| 862 | } else { |
| 863 | db1200_devs[0] = &db1200_spi_dev; |
| 864 | bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_PSC0MUX); |
| 865 | |
| 866 | pfc |= (1 << 17); /* PSC0 owns GPIO215 */ |
| 867 | |
| 868 | printk(KERN_INFO " S6.8 ON : PSC0 mode SPI\n"); |
| 869 | printk(KERN_INFO " OTG port VBUS supply disabled\n"); |
| 870 | } |
| 871 | __raw_writel(pfc, (void __iomem *)SYS_PINFUNC); |
| 872 | wmb(); |
| 873 | |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 874 | /* Audio: DIP7 selects I2S(0)/AC97(1), but need I2C for I2S! |
| 875 | * so: DIP7=1 || DIP8=0 => AC97, DIP7=0 && DIP8=1 => I2S |
| 876 | */ |
| 877 | sw &= BCSR_SWITCHES_DIP_8 | BCSR_SWITCHES_DIP_7; |
| 878 | if (sw == BCSR_SWITCHES_DIP_8) { |
| 879 | bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_PSC1MUX); |
| 880 | db1200_audio_dev.name = "au1xpsc_i2s"; |
Manuel Lauss | adbc7a5 | 2011-07-25 13:45:03 +0200 | [diff] [blame] | 881 | db1200_sound_dev.name = "db1200-i2s"; |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 882 | printk(KERN_INFO " S6.7 ON : PSC1 mode I2S\n"); |
| 883 | } else { |
| 884 | bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC1MUX, 0); |
| 885 | db1200_audio_dev.name = "au1xpsc_ac97"; |
Manuel Lauss | adbc7a5 | 2011-07-25 13:45:03 +0200 | [diff] [blame] | 886 | db1200_sound_dev.name = "db1200-ac97"; |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 887 | printk(KERN_INFO " S6.7 OFF: PSC1 mode AC97\n"); |
| 888 | } |
| 889 | |
| 890 | /* Audio PSC clock is supplied externally. (FIXME: platdata!!) */ |
| 891 | __raw_writel(PSC_SEL_CLK_SERCLK, |
Manuel Lauss | 7c4b24d | 2011-11-10 12:06:21 +0000 | [diff] [blame] | 892 | (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET); |
Manuel Lauss | 05ae323 | 2009-11-02 21:21:44 +0100 | [diff] [blame] | 893 | wmb(); |
| 894 | |
Manuel Lauss | 7cc2e27 | 2011-08-12 11:39:40 +0200 | [diff] [blame] | 895 | db1x_register_pcmcia_socket( |
| 896 | AU1000_PCMCIA_ATTR_PHYS_ADDR, |
| 897 | AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1, |
| 898 | AU1000_PCMCIA_MEM_PHYS_ADDR, |
| 899 | AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1, |
| 900 | AU1000_PCMCIA_IO_PHYS_ADDR, |
| 901 | AU1000_PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1, |
| 902 | DB1200_PC0_INT, DB1200_PC0_INSERT_INT, |
| 903 | /*DB1200_PC0_STSCHG_INT*/0, DB1200_PC0_EJECT_INT, 0); |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 904 | |
Manuel Lauss | 7cc2e27 | 2011-08-12 11:39:40 +0200 | [diff] [blame] | 905 | db1x_register_pcmcia_socket( |
| 906 | AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000, |
| 907 | AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1, |
| 908 | AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004000000, |
| 909 | AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004400000 - 1, |
| 910 | AU1000_PCMCIA_IO_PHYS_ADDR + 0x004000000, |
| 911 | AU1000_PCMCIA_IO_PHYS_ADDR + 0x004010000 - 1, |
| 912 | DB1200_PC1_INT, DB1200_PC1_INSERT_INT, |
| 913 | /*DB1200_PC1_STSCHG_INT*/0, DB1200_PC1_EJECT_INT, 1); |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 914 | |
| 915 | swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT; |
| 916 | db1x_register_norflash(64 << 20, 2, swapped); |
| 917 | |
Manuel Lauss | 6f7c862 | 2011-11-10 12:06:22 +0000 | [diff] [blame] | 918 | platform_add_devices(db1200_devs, ARRAY_SIZE(db1200_devs)); |
| 919 | |
| 920 | /* PB1200 is a DB1200 with a 2nd MMC and Camera connector */ |
| 921 | if ((bid == BCSR_WHOAMI_PB1200_DDR1) || |
| 922 | (bid == BCSR_WHOAMI_PB1200_DDR2)) |
| 923 | platform_add_devices(pb1200_devs, ARRAY_SIZE(pb1200_devs)); |
| 924 | |
| 925 | return 0; |
Manuel Lauss | 63323ec | 2009-11-02 21:21:43 +0100 | [diff] [blame] | 926 | } |
| 927 | device_initcall(db1200_dev_init); |