Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 1 | /* |
| 2 | * bonito board support |
| 3 | * |
| 4 | * Copyright (C) 2011 Renesas Solutions Corp. |
| 5 | * Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> |
| 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 as published by |
| 9 | * the Free Software Foundation; version 2 of the License. |
| 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 | |
| 22 | #include <linux/kernel.h> |
Kuninori Morimoto | e609b7c | 2011-11-10 18:47:07 -0800 | [diff] [blame] | 23 | #include <linux/i2c.h> |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 24 | #include <linux/init.h> |
| 25 | #include <linux/interrupt.h> |
| 26 | #include <linux/irq.h> |
Laurent Pinchart | 1e47ff2 | 2013-01-03 12:54:28 +0100 | [diff] [blame] | 27 | #include <linux/pinctrl/machine.h> |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 28 | #include <linux/platform_device.h> |
| 29 | #include <linux/gpio.h> |
Guennadi Liakhovetski | d3ed18e | 2012-06-27 00:32:27 +0200 | [diff] [blame] | 30 | #include <linux/regulator/fixed.h> |
| 31 | #include <linux/regulator/machine.h> |
Kuninori Morimoto | 6bf2805 | 2011-11-10 18:47:26 -0800 | [diff] [blame] | 32 | #include <linux/smsc911x.h> |
Phil Edworthy | 63d7112 | 2012-02-29 13:46:24 +0000 | [diff] [blame] | 33 | #include <linux/videodev2.h> |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 34 | #include <mach/common.h> |
| 35 | #include <asm/mach-types.h> |
| 36 | #include <asm/mach/arch.h> |
| 37 | #include <asm/mach/map.h> |
| 38 | #include <asm/mach/time.h> |
| 39 | #include <asm/hardware/cache-l2x0.h> |
| 40 | #include <mach/r8a7740.h> |
Rob Herring | 250a272 | 2012-01-03 16:57:33 -0600 | [diff] [blame] | 41 | #include <mach/irqs.h> |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 42 | #include <video/sh_mobile_lcdc.h> |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 43 | |
| 44 | /* |
| 45 | * CS Address device note |
| 46 | *---------------------------------------------------------------- |
| 47 | * 0 0x0000_0000 NOR Flash (64MB) SW12 : bit3 = OFF |
| 48 | * 2 0x0800_0000 ExtNOR (64MB) SW12 : bit3 = OFF |
| 49 | * 4 - |
| 50 | * 5A - |
| 51 | * 5B 0x1600_0000 SRAM (8MB) |
| 52 | * 6 0x1800_0000 FPGA (64K) |
| 53 | * 0x1801_0000 Ether (4KB) |
| 54 | * 0x1801_1000 USB (4KB) |
| 55 | */ |
| 56 | |
| 57 | /* |
| 58 | * SW12 |
| 59 | * |
| 60 | * bit1 bit2 bit3 |
| 61 | *---------------------------------------------------------------------------- |
| 62 | * ON NOR WriteProtect NAND WriteProtect CS0 ExtNOR / CS2 NOR |
| 63 | * OFF NOR Not WriteProtect NAND Not WriteProtect CS0 NOR / CS2 ExtNOR |
| 64 | */ |
| 65 | |
| 66 | /* |
Kuninori Morimoto | b6b37e2 | 2011-11-10 18:46:56 -0800 | [diff] [blame] | 67 | * SCIFA5 (CN42) |
| 68 | * |
| 69 | * S38.3 = ON |
| 70 | * S39.6 = ON |
| 71 | * S43.1 = ON |
| 72 | */ |
| 73 | |
| 74 | /* |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 75 | * LCDC0 (CN3/CN4/CN7) |
| 76 | * |
| 77 | * S38.1 = OFF |
| 78 | * S38.2 = OFF |
| 79 | */ |
| 80 | |
Guennadi Liakhovetski | d3ed18e | 2012-06-27 00:32:27 +0200 | [diff] [blame] | 81 | /* Dummy supplies, where voltage doesn't matter */ |
| 82 | static struct regulator_consumer_supply dummy_supplies[] = { |
| 83 | REGULATOR_SUPPLY("vddvario", "smsc911x"), |
| 84 | REGULATOR_SUPPLY("vdd33a", "smsc911x"), |
| 85 | }; |
| 86 | |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 87 | /* |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 88 | * FPGA |
| 89 | */ |
Kuninori Morimoto | 6bf2805 | 2011-11-10 18:47:26 -0800 | [diff] [blame] | 90 | #define IRQSR0 0x0020 |
| 91 | #define IRQSR1 0x0022 |
| 92 | #define IRQMR0 0x0030 |
| 93 | #define IRQMR1 0x0032 |
Kuninori Morimoto | b6b37e2 | 2011-11-10 18:46:56 -0800 | [diff] [blame] | 94 | #define BUSSWMR1 0x0070 |
| 95 | #define BUSSWMR2 0x0072 |
| 96 | #define BUSSWMR3 0x0074 |
| 97 | #define BUSSWMR4 0x0076 |
| 98 | |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 99 | #define LCDCR 0x10B4 |
Kuninori Morimoto | 6bf2805 | 2011-11-10 18:47:26 -0800 | [diff] [blame] | 100 | #define DEVRSTCR1 0x10D0 |
| 101 | #define DEVRSTCR2 0x10D2 |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 102 | #define A1MDSR 0x10E0 |
| 103 | #define BVERR 0x1100 |
Kuninori Morimoto | 6bf2805 | 2011-11-10 18:47:26 -0800 | [diff] [blame] | 104 | |
| 105 | /* FPGA IRQ */ |
| 106 | #define FPGA_IRQ_BASE (512) |
| 107 | #define FPGA_IRQ0 (FPGA_IRQ_BASE) |
| 108 | #define FPGA_IRQ1 (FPGA_IRQ_BASE + 16) |
Kuninori Morimoto | 8900df7 | 2011-11-10 18:47:36 -0800 | [diff] [blame] | 109 | #define FPGA_ETH_IRQ (FPGA_IRQ0 + 15) |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 110 | static u16 bonito_fpga_read(u32 offset) |
| 111 | { |
Arnd Bergmann | 0a4b04d | 2012-09-14 20:08:08 +0000 | [diff] [blame] | 112 | return __raw_readw(IOMEM(0xf0003000) + offset); |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | static void bonito_fpga_write(u32 offset, u16 val) |
| 116 | { |
Arnd Bergmann | 0a4b04d | 2012-09-14 20:08:08 +0000 | [diff] [blame] | 117 | __raw_writew(val, IOMEM(0xf0003000) + offset); |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 118 | } |
| 119 | |
Kuninori Morimoto | 6bf2805 | 2011-11-10 18:47:26 -0800 | [diff] [blame] | 120 | static void bonito_fpga_irq_disable(struct irq_data *data) |
| 121 | { |
| 122 | unsigned int irq = data->irq; |
| 123 | u32 addr = (irq < 1016) ? IRQMR0 : IRQMR1; |
| 124 | int shift = irq % 16; |
| 125 | |
| 126 | bonito_fpga_write(addr, bonito_fpga_read(addr) | (1 << shift)); |
| 127 | } |
| 128 | |
| 129 | static void bonito_fpga_irq_enable(struct irq_data *data) |
| 130 | { |
| 131 | unsigned int irq = data->irq; |
| 132 | u32 addr = (irq < 1016) ? IRQMR0 : IRQMR1; |
| 133 | int shift = irq % 16; |
| 134 | |
| 135 | bonito_fpga_write(addr, bonito_fpga_read(addr) & ~(1 << shift)); |
| 136 | } |
| 137 | |
| 138 | static struct irq_chip bonito_fpga_irq_chip __read_mostly = { |
| 139 | .name = "bonito FPGA", |
| 140 | .irq_mask = bonito_fpga_irq_disable, |
| 141 | .irq_unmask = bonito_fpga_irq_enable, |
| 142 | }; |
| 143 | |
| 144 | static void bonito_fpga_irq_demux(unsigned int irq, struct irq_desc *desc) |
| 145 | { |
| 146 | u32 val = bonito_fpga_read(IRQSR1) << 16 | |
| 147 | bonito_fpga_read(IRQSR0); |
| 148 | u32 mask = bonito_fpga_read(IRQMR1) << 16 | |
| 149 | bonito_fpga_read(IRQMR0); |
| 150 | |
| 151 | int i; |
| 152 | |
| 153 | val &= ~mask; |
| 154 | |
| 155 | for (i = 0; i < 32; i++) { |
| 156 | if (!(val & (1 << i))) |
| 157 | continue; |
| 158 | |
| 159 | generic_handle_irq(FPGA_IRQ_BASE + i); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | static void bonito_fpga_init(void) |
| 164 | { |
| 165 | int i; |
| 166 | |
| 167 | bonito_fpga_write(IRQMR0, 0xffff); /* mask all */ |
| 168 | bonito_fpga_write(IRQMR1, 0xffff); /* mask all */ |
| 169 | |
| 170 | /* Device reset */ |
| 171 | bonito_fpga_write(DEVRSTCR1, |
| 172 | (1 << 2)); /* Eth */ |
| 173 | |
| 174 | /* FPGA irq require special handling */ |
| 175 | for (i = FPGA_IRQ_BASE; i < FPGA_IRQ_BASE + 32; i++) { |
| 176 | irq_set_chip_and_handler_name(i, &bonito_fpga_irq_chip, |
| 177 | handle_level_irq, "level"); |
| 178 | set_irq_flags(i, IRQF_VALID); /* yuck */ |
| 179 | } |
| 180 | |
| 181 | irq_set_chained_handler(evt2irq(0x0340), bonito_fpga_irq_demux); |
| 182 | irq_set_irq_type(evt2irq(0x0340), IRQ_TYPE_LEVEL_LOW); |
| 183 | } |
| 184 | |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 185 | /* |
Kuninori Morimoto | e609b7c | 2011-11-10 18:47:07 -0800 | [diff] [blame] | 186 | * PMIC settings |
| 187 | * |
| 188 | * FIXME |
| 189 | * |
| 190 | * bonito board needs some settings by pmic which use i2c access. |
| 191 | * pmic settings use device_initcall() here for use it. |
| 192 | */ |
| 193 | static __u8 *pmic_settings = NULL; |
| 194 | static __u8 pmic_do_2A[] = { |
| 195 | 0x1C, 0x09, |
| 196 | 0x1A, 0x80, |
| 197 | 0xff, 0xff, |
| 198 | }; |
| 199 | |
| 200 | static int __init pmic_init(void) |
| 201 | { |
| 202 | struct i2c_adapter *a = i2c_get_adapter(0); |
| 203 | struct i2c_msg msg; |
| 204 | __u8 buf[2]; |
| 205 | int i, ret; |
| 206 | |
| 207 | if (!pmic_settings) |
| 208 | return 0; |
| 209 | if (!a) |
| 210 | return 0; |
| 211 | |
| 212 | msg.addr = 0x46; |
| 213 | msg.buf = buf; |
| 214 | msg.len = 2; |
| 215 | msg.flags = 0; |
| 216 | |
| 217 | for (i = 0; ; i += 2) { |
| 218 | buf[0] = pmic_settings[i + 0]; |
| 219 | buf[1] = pmic_settings[i + 1]; |
| 220 | |
| 221 | if ((0xff == buf[0]) && (0xff == buf[1])) |
| 222 | break; |
| 223 | |
| 224 | ret = i2c_transfer(a, &msg, 1); |
| 225 | if (ret < 0) { |
| 226 | pr_err("i2c transfer fail\n"); |
| 227 | break; |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | return 0; |
| 232 | } |
| 233 | device_initcall(pmic_init); |
| 234 | |
| 235 | /* |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 236 | * LCDC0 |
| 237 | */ |
| 238 | static const struct fb_videomode lcdc0_mode = { |
| 239 | .name = "WVGA Panel", |
| 240 | .xres = 800, |
| 241 | .yres = 480, |
| 242 | .left_margin = 88, |
| 243 | .right_margin = 40, |
| 244 | .hsync_len = 128, |
| 245 | .upper_margin = 20, |
| 246 | .lower_margin = 5, |
| 247 | .vsync_len = 5, |
| 248 | .sync = 0, |
| 249 | }; |
| 250 | |
| 251 | static struct sh_mobile_lcdc_info lcdc0_info = { |
| 252 | .clock_source = LCDC_CLK_BUS, |
| 253 | .ch[0] = { |
| 254 | .chan = LCDC_CHAN_MAINLCD, |
Phil Edworthy | 63d7112 | 2012-02-29 13:46:24 +0000 | [diff] [blame] | 255 | .fourcc = V4L2_PIX_FMT_RGB565, |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 256 | .interface_type = RGB24, |
| 257 | .clock_divider = 5, |
| 258 | .flags = 0, |
Laurent Pinchart | 93ff259 | 2011-11-29 14:33:41 +0100 | [diff] [blame] | 259 | .lcd_modes = &lcdc0_mode, |
| 260 | .num_modes = 1, |
Laurent Pinchart | afaad83 | 2011-09-11 22:59:04 +0200 | [diff] [blame] | 261 | .panel_cfg = { |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 262 | .width = 152, |
| 263 | .height = 91, |
| 264 | }, |
| 265 | }, |
| 266 | }; |
| 267 | |
| 268 | static struct resource lcdc0_resources[] = { |
| 269 | [0] = { |
| 270 | .name = "LCDC0", |
| 271 | .start = 0xfe940000, |
| 272 | .end = 0xfe943fff, |
| 273 | .flags = IORESOURCE_MEM, |
| 274 | }, |
| 275 | [1] = { |
| 276 | .start = intcs_evt2irq(0x0580), |
| 277 | .flags = IORESOURCE_IRQ, |
| 278 | }, |
| 279 | }; |
| 280 | |
| 281 | static struct platform_device lcdc0_device = { |
| 282 | .name = "sh_mobile_lcdc_fb", |
| 283 | .id = 0, |
| 284 | .resource = lcdc0_resources, |
| 285 | .num_resources = ARRAY_SIZE(lcdc0_resources), |
| 286 | .dev = { |
| 287 | .platform_data = &lcdc0_info, |
| 288 | .coherent_dma_mask = ~0, |
| 289 | }, |
| 290 | }; |
| 291 | |
Laurent Pinchart | 1e47ff2 | 2013-01-03 12:54:28 +0100 | [diff] [blame] | 292 | static const struct pinctrl_map lcdc0_pinctrl_map[] = { |
| 293 | /* LCD0 */ |
| 294 | PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740", |
| 295 | "lcd0_data24_1", "lcd0"), |
| 296 | PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740", |
| 297 | "lcd0_lclk_1", "lcd0"), |
| 298 | PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740", |
| 299 | "lcd0_sync", "lcd0"), |
| 300 | }; |
| 301 | |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 302 | /* |
Kuninori Morimoto | 8900df7 | 2011-11-10 18:47:36 -0800 | [diff] [blame] | 303 | * SMSC 9221 |
| 304 | */ |
| 305 | static struct resource smsc_resources[] = { |
| 306 | [0] = { |
| 307 | .start = 0x18010000, |
| 308 | .end = 0x18011000 - 1, |
| 309 | .flags = IORESOURCE_MEM, |
| 310 | }, |
| 311 | [1] = { |
| 312 | .start = FPGA_ETH_IRQ, |
| 313 | .flags = IORESOURCE_IRQ, |
| 314 | }, |
| 315 | }; |
| 316 | |
| 317 | static struct smsc911x_platform_config smsc_platdata = { |
| 318 | .flags = SMSC911X_USE_16BIT, |
| 319 | .phy_interface = PHY_INTERFACE_MODE_MII, |
| 320 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, |
| 321 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, |
| 322 | }; |
| 323 | |
| 324 | static struct platform_device smsc_device = { |
| 325 | .name = "smsc911x", |
| 326 | .dev = { |
| 327 | .platform_data = &smsc_platdata, |
| 328 | }, |
| 329 | .resource = smsc_resources, |
| 330 | .num_resources = ARRAY_SIZE(smsc_resources), |
| 331 | }; |
| 332 | |
| 333 | /* |
Kuninori Morimoto | b6b37e2 | 2011-11-10 18:46:56 -0800 | [diff] [blame] | 334 | * core board devices |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 335 | */ |
Kuninori Morimoto | b6b37e2 | 2011-11-10 18:46:56 -0800 | [diff] [blame] | 336 | static struct platform_device *bonito_core_devices[] __initdata = { |
| 337 | }; |
| 338 | |
| 339 | /* |
| 340 | * base board devices |
| 341 | */ |
| 342 | static struct platform_device *bonito_base_devices[] __initdata = { |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 343 | &lcdc0_device, |
Kuninori Morimoto | 8900df7 | 2011-11-10 18:47:36 -0800 | [diff] [blame] | 344 | &smsc_device, |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 345 | }; |
| 346 | |
| 347 | /* |
| 348 | * map I/O |
| 349 | */ |
| 350 | static struct map_desc bonito_io_desc[] __initdata = { |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 351 | /* |
| 352 | * for FPGA (0x1800000-0x19ffffff) |
| 353 | * 0x18000000-0x18002000 -> 0xf0003000-0xf0005000 |
| 354 | */ |
| 355 | { |
| 356 | .virtual = 0xf0003000, |
| 357 | .pfn = __phys_to_pfn(0x18000000), |
| 358 | .length = PAGE_SIZE * 2, |
| 359 | .type = MT_DEVICE_NONSHARED |
| 360 | } |
| 361 | }; |
| 362 | |
| 363 | static void __init bonito_map_io(void) |
| 364 | { |
Magnus Damm | d3ab722 | 2012-02-29 21:37:35 +0900 | [diff] [blame] | 365 | r8a7740_map_io(); |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 366 | iotable_init(bonito_io_desc, ARRAY_SIZE(bonito_io_desc)); |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 367 | } |
| 368 | |
| 369 | /* |
| 370 | * board init |
| 371 | */ |
Kuninori Morimoto | b6b37e2 | 2011-11-10 18:46:56 -0800 | [diff] [blame] | 372 | #define BIT_ON(sw, bit) (sw & (1 << bit)) |
| 373 | #define BIT_OFF(sw, bit) (!(sw & (1 << bit))) |
| 374 | |
Arnd Bergmann | 0a4b04d | 2012-09-14 20:08:08 +0000 | [diff] [blame] | 375 | #define VCCQ1CR IOMEM(0xE6058140) |
| 376 | #define VCCQ1LCDCR IOMEM(0xE6058186) |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 377 | |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 378 | static void __init bonito_init(void) |
| 379 | { |
| 380 | u16 val; |
| 381 | |
Guennadi Liakhovetski | d3ed18e | 2012-06-27 00:32:27 +0200 | [diff] [blame] | 382 | regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); |
| 383 | |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 384 | r8a7740_pinmux_init(); |
Kuninori Morimoto | 6bf2805 | 2011-11-10 18:47:26 -0800 | [diff] [blame] | 385 | bonito_fpga_init(); |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 386 | |
Kuninori Morimoto | e609b7c | 2011-11-10 18:47:07 -0800 | [diff] [blame] | 387 | pmic_settings = pmic_do_2A; |
| 388 | |
Kuninori Morimoto | b6b37e2 | 2011-11-10 18:46:56 -0800 | [diff] [blame] | 389 | /* |
| 390 | * core board settings |
| 391 | */ |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 392 | |
| 393 | #ifdef CONFIG_CACHE_L2X0 |
| 394 | /* Early BRESP enable, Shared attribute override enable, 32K*8way */ |
Rob Herring | a2a47ca | 2012-03-09 17:16:40 -0600 | [diff] [blame] | 395 | l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff); |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 396 | #endif |
| 397 | |
| 398 | r8a7740_add_standard_devices(); |
Kuninori Morimoto | b6b37e2 | 2011-11-10 18:46:56 -0800 | [diff] [blame] | 399 | |
| 400 | platform_add_devices(bonito_core_devices, |
| 401 | ARRAY_SIZE(bonito_core_devices)); |
| 402 | |
| 403 | /* |
| 404 | * base board settings |
| 405 | */ |
Laurent Pinchart | 8c2a141 | 2013-02-16 07:38:50 +0100 | [diff] [blame] | 406 | gpio_request_one(176, GPIOF_IN, NULL); |
| 407 | if (!gpio_get_value(176)) { |
Kuninori Morimoto | b6b37e2 | 2011-11-10 18:46:56 -0800 | [diff] [blame] | 408 | u16 bsw2; |
| 409 | u16 bsw3; |
| 410 | u16 bsw4; |
| 411 | |
| 412 | /* |
| 413 | * FPGA |
| 414 | */ |
| 415 | gpio_request(GPIO_FN_CS5B, NULL); |
| 416 | gpio_request(GPIO_FN_CS6A, NULL); |
| 417 | gpio_request(GPIO_FN_CS5A_PORT105, NULL); |
| 418 | gpio_request(GPIO_FN_IRQ10, NULL); |
| 419 | |
| 420 | val = bonito_fpga_read(BVERR); |
| 421 | pr_info("bonito version: cpu %02x, base %02x\n", |
| 422 | ((val >> 8) & 0xFF), |
| 423 | ((val >> 0) & 0xFF)); |
| 424 | |
| 425 | bsw2 = bonito_fpga_read(BUSSWMR2); |
| 426 | bsw3 = bonito_fpga_read(BUSSWMR3); |
| 427 | bsw4 = bonito_fpga_read(BUSSWMR4); |
| 428 | |
| 429 | /* |
| 430 | * SCIFA5 (CN42) |
| 431 | */ |
| 432 | if (BIT_OFF(bsw2, 1) && /* S38.3 = ON */ |
| 433 | BIT_OFF(bsw3, 9) && /* S39.6 = ON */ |
| 434 | BIT_OFF(bsw4, 4)) { /* S43.1 = ON */ |
| 435 | gpio_request(GPIO_FN_SCIFA5_TXD_PORT91, NULL); |
| 436 | gpio_request(GPIO_FN_SCIFA5_RXD_PORT92, NULL); |
| 437 | } |
| 438 | |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 439 | /* |
| 440 | * LCDC0 (CN3) |
| 441 | */ |
| 442 | if (BIT_ON(bsw2, 3) && /* S38.1 = OFF */ |
| 443 | BIT_ON(bsw2, 2)) { /* S38.2 = OFF */ |
Laurent Pinchart | 1e47ff2 | 2013-01-03 12:54:28 +0100 | [diff] [blame] | 444 | pinctrl_register_mappings(lcdc0_pinctrl_map, |
| 445 | ARRAY_SIZE(lcdc0_pinctrl_map)); |
| 446 | gpio_request(GPIO_FN_LCDC0_SELECT, NULL); |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 447 | |
Laurent Pinchart | 8c2a141 | 2013-02-16 07:38:50 +0100 | [diff] [blame] | 448 | gpio_request_one(61, GPIOF_OUT_INIT_HIGH, |
Laurent Pinchart | 89aaf5c | 2013-01-24 13:16:32 +0100 | [diff] [blame] | 449 | NULL); /* LCDDON */ |
Kuninori Morimoto | 665ccfa | 2011-11-10 18:47:16 -0800 | [diff] [blame] | 450 | |
| 451 | /* backlight on */ |
| 452 | bonito_fpga_write(LCDCR, 1); |
| 453 | |
| 454 | /* drivability Max */ |
| 455 | __raw_writew(0x00FF , VCCQ1LCDCR); |
| 456 | __raw_writew(0xFFFF , VCCQ1CR); |
| 457 | } |
| 458 | |
Kuninori Morimoto | b6b37e2 | 2011-11-10 18:46:56 -0800 | [diff] [blame] | 459 | platform_add_devices(bonito_base_devices, |
| 460 | ARRAY_SIZE(bonito_base_devices)); |
| 461 | } |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 462 | } |
| 463 | |
Magnus Damm | 23e5bc0 | 2012-03-06 17:36:53 +0900 | [diff] [blame] | 464 | static void __init bonito_earlytimer_init(void) |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 465 | { |
| 466 | u16 val; |
| 467 | u8 md_ck = 0; |
| 468 | |
| 469 | /* read MD_CK value */ |
| 470 | val = bonito_fpga_read(A1MDSR); |
| 471 | if (val & (1 << 10)) |
| 472 | md_ck |= MD_CK2; |
| 473 | if (val & (1 << 9)) |
| 474 | md_ck |= MD_CK1; |
| 475 | if (val & (1 << 8)) |
| 476 | md_ck |= MD_CK0; |
| 477 | |
| 478 | r8a7740_clock_init(md_ck); |
Magnus Damm | 23e5bc0 | 2012-03-06 17:36:53 +0900 | [diff] [blame] | 479 | shmobile_earlytimer_init(); |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 480 | } |
| 481 | |
Kuninori Morimoto | 8823e2b | 2012-04-08 22:29:12 -0700 | [diff] [blame] | 482 | static void __init bonito_add_early_devices(void) |
Magnus Damm | 23e5bc0 | 2012-03-06 17:36:53 +0900 | [diff] [blame] | 483 | { |
| 484 | r8a7740_add_early_devices(); |
Magnus Damm | 23e5bc0 | 2012-03-06 17:36:53 +0900 | [diff] [blame] | 485 | } |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 486 | |
| 487 | MACHINE_START(BONITO, "bonito") |
| 488 | .map_io = bonito_map_io, |
Magnus Damm | 23e5bc0 | 2012-03-06 17:36:53 +0900 | [diff] [blame] | 489 | .init_early = bonito_add_early_devices, |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 490 | .init_irq = r8a7740_init_irq, |
| 491 | .handle_irq = shmobile_handle_irq_intc, |
| 492 | .init_machine = bonito_init, |
Shawn Guo | 21cc1b7 | 2012-04-26 21:58:41 +0800 | [diff] [blame] | 493 | .init_late = shmobile_init_late, |
Stephen Warren | 6bb27d7 | 2012-11-08 12:40:59 -0700 | [diff] [blame] | 494 | .init_time = bonito_earlytimer_init, |
Kuninori Morimoto | d55c9a9 | 2011-11-10 18:46:45 -0800 | [diff] [blame] | 495 | MACHINE_END |