projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a4553358 HZ |
1 | /* |
| 2 | * linux/arch/arm/mach-pxa/pxa95x.c | |
| 3 | * | |
| 4 | * code specific to PXA95x aka MGx | |
| 5 | * | |
| 6 | * Copyright (C) 2009-2010 Marvell International Ltd. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | */ | |
| a4553358 HZ |
12 | #include <linux/module.h> |
| 13 | #include <linux/kernel.h> | |
| 14 | #include <linux/init.h> | |
| 15 | #include <linux/pm.h> | |
| 16 | #include <linux/platform_device.h> | |
| b459396e | 17 | #include <linux/i2c/pxa-i2c.h> |
| a4553358 HZ |
18 | #include <linux/irq.h> |
| 19 | #include <linux/io.h> | |
| 2eaa03b5 | 20 | #include <linux/syscore_ops.h> |
| a4553358 HZ |
21 | |
| 22 | #include <mach/hardware.h> | |
| a4553358 HZ |
23 | #include <mach/pxa3xx-regs.h> |
| 24 | #include <mach/pxa930.h> | |
| 25 | #include <mach/reset.h> | |
| 26 | #include <mach/pm.h> | |
| 27 | #include <mach/dma.h> | |
| a4553358 HZ |
28 | |
| 29 | #include "generic.h" | |
| 30 | #include "devices.h" | |
| 31 | #include "clock.h" | |
| 32 | ||
| 33 | static struct mfp_addr_map pxa95x_mfp_addr_map[] __initdata = { | |
| 34 | ||
| 35 | MFP_ADDR(GPIO0, 0x02e0), | |
| 36 | MFP_ADDR(GPIO1, 0x02dc), | |
| 37 | MFP_ADDR(GPIO2, 0x02e8), | |
| 38 | MFP_ADDR(GPIO3, 0x02d8), | |
| 39 | MFP_ADDR(GPIO4, 0x02e4), | |
| 40 | MFP_ADDR(GPIO5, 0x02ec), | |
| 41 | MFP_ADDR(GPIO6, 0x02f8), | |
| 42 | MFP_ADDR(GPIO7, 0x02fc), | |
| 43 | MFP_ADDR(GPIO8, 0x0300), | |
| 44 | MFP_ADDR(GPIO9, 0x02d4), | |
| 45 | MFP_ADDR(GPIO10, 0x02f4), | |
| 46 | MFP_ADDR(GPIO11, 0x02f0), | |
| 47 | MFP_ADDR(GPIO12, 0x0304), | |
| 48 | MFP_ADDR(GPIO13, 0x0310), | |
| 49 | MFP_ADDR(GPIO14, 0x0308), | |
| 50 | MFP_ADDR(GPIO15, 0x030c), | |
| 51 | MFP_ADDR(GPIO16, 0x04e8), | |
| 52 | MFP_ADDR(GPIO17, 0x04f4), | |
| 53 | MFP_ADDR(GPIO18, 0x04f8), | |
| 54 | MFP_ADDR(GPIO19, 0x04fc), | |
| 55 | MFP_ADDR(GPIO20, 0x0518), | |
| 56 | MFP_ADDR(GPIO21, 0x051c), | |
| 57 | MFP_ADDR(GPIO22, 0x04ec), | |
| 58 | MFP_ADDR(GPIO23, 0x0500), | |
| 59 | MFP_ADDR(GPIO24, 0x04f0), | |
| 60 | MFP_ADDR(GPIO25, 0x0504), | |
| 61 | MFP_ADDR(GPIO26, 0x0510), | |
| 62 | MFP_ADDR(GPIO27, 0x0514), | |
| 63 | MFP_ADDR(GPIO28, 0x0520), | |
| 64 | MFP_ADDR(GPIO29, 0x0600), | |
| 65 | MFP_ADDR(GPIO30, 0x0618), | |
| 66 | MFP_ADDR(GPIO31, 0x0610), | |
| 67 | MFP_ADDR(GPIO32, 0x060c), | |
| 68 | MFP_ADDR(GPIO33, 0x061c), | |
| 69 | MFP_ADDR(GPIO34, 0x0620), | |
| 70 | MFP_ADDR(GPIO35, 0x0628), | |
| 71 | MFP_ADDR(GPIO36, 0x062c), | |
| 72 | MFP_ADDR(GPIO37, 0x0630), | |
| 73 | MFP_ADDR(GPIO38, 0x0634), | |
| 74 | MFP_ADDR(GPIO39, 0x0638), | |
| 75 | MFP_ADDR(GPIO40, 0x063c), | |
| 76 | MFP_ADDR(GPIO41, 0x0614), | |
| 77 | MFP_ADDR(GPIO42, 0x0624), | |
| 78 | MFP_ADDR(GPIO43, 0x0608), | |
| 79 | MFP_ADDR(GPIO44, 0x0604), | |
| 80 | MFP_ADDR(GPIO45, 0x050c), | |
| 81 | MFP_ADDR(GPIO46, 0x0508), | |
| 82 | MFP_ADDR(GPIO47, 0x02bc), | |
| 83 | MFP_ADDR(GPIO48, 0x02b4), | |
| 84 | MFP_ADDR(GPIO49, 0x02b8), | |
| 85 | MFP_ADDR(GPIO50, 0x02c8), | |
| 86 | MFP_ADDR(GPIO51, 0x02c0), | |
| 87 | MFP_ADDR(GPIO52, 0x02c4), | |
| 88 | MFP_ADDR(GPIO53, 0x02d0), | |
| 89 | MFP_ADDR(GPIO54, 0x02cc), | |
| 90 | MFP_ADDR(GPIO55, 0x029c), | |
| 91 | MFP_ADDR(GPIO56, 0x02a0), | |
| 92 | MFP_ADDR(GPIO57, 0x0294), | |
| 93 | MFP_ADDR(GPIO58, 0x0298), | |
| 94 | MFP_ADDR(GPIO59, 0x02a4), | |
| 95 | MFP_ADDR(GPIO60, 0x02a8), | |
| 96 | MFP_ADDR(GPIO61, 0x02b0), | |
| 97 | MFP_ADDR(GPIO62, 0x02ac), | |
| 98 | MFP_ADDR(GPIO63, 0x0640), | |
| 99 | MFP_ADDR(GPIO64, 0x065c), | |
| 100 | MFP_ADDR(GPIO65, 0x0648), | |
| 101 | MFP_ADDR(GPIO66, 0x0644), | |
| 102 | MFP_ADDR(GPIO67, 0x0674), | |
| 103 | MFP_ADDR(GPIO68, 0x0658), | |
| 104 | MFP_ADDR(GPIO69, 0x0654), | |
| 105 | MFP_ADDR(GPIO70, 0x0660), | |
| 106 | MFP_ADDR(GPIO71, 0x0668), | |
| 107 | MFP_ADDR(GPIO72, 0x0664), | |
| 108 | MFP_ADDR(GPIO73, 0x0650), | |
| 109 | MFP_ADDR(GPIO74, 0x066c), | |
| 110 | MFP_ADDR(GPIO75, 0x064c), | |
| 111 | MFP_ADDR(GPIO76, 0x0670), | |
| 112 | MFP_ADDR(GPIO77, 0x0678), | |
| 113 | MFP_ADDR(GPIO78, 0x067c), | |
| 114 | MFP_ADDR(GPIO79, 0x0694), | |
| 115 | MFP_ADDR(GPIO80, 0x069c), | |
| 116 | MFP_ADDR(GPIO81, 0x06a0), | |
| 117 | MFP_ADDR(GPIO82, 0x06a4), | |
| 118 | MFP_ADDR(GPIO83, 0x0698), | |
| 119 | MFP_ADDR(GPIO84, 0x06bc), | |
| 120 | MFP_ADDR(GPIO85, 0x06b4), | |
| 121 | MFP_ADDR(GPIO86, 0x06b0), | |
| 122 | MFP_ADDR(GPIO87, 0x06c0), | |
| 123 | MFP_ADDR(GPIO88, 0x06c4), | |
| 124 | MFP_ADDR(GPIO89, 0x06ac), | |
| 125 | MFP_ADDR(GPIO90, 0x0680), | |
| 126 | MFP_ADDR(GPIO91, 0x0684), | |
| 127 | MFP_ADDR(GPIO92, 0x0688), | |
| 128 | MFP_ADDR(GPIO93, 0x0690), | |
| 129 | MFP_ADDR(GPIO94, 0x068c), | |
| 130 | MFP_ADDR(GPIO95, 0x06a8), | |
| 131 | MFP_ADDR(GPIO96, 0x06b8), | |
| 132 | MFP_ADDR(GPIO97, 0x0410), | |
| 133 | MFP_ADDR(GPIO98, 0x0418), | |
| 134 | MFP_ADDR(GPIO99, 0x041c), | |
| 135 | MFP_ADDR(GPIO100, 0x0414), | |
| 136 | MFP_ADDR(GPIO101, 0x0408), | |
| 137 | MFP_ADDR(GPIO102, 0x0324), | |
| 138 | MFP_ADDR(GPIO103, 0x040c), | |
| 139 | MFP_ADDR(GPIO104, 0x0400), | |
| 140 | MFP_ADDR(GPIO105, 0x0328), | |
| 141 | MFP_ADDR(GPIO106, 0x0404), | |
| 142 | ||
| 143 | MFP_ADDR(GPIO159, 0x0524), | |
| 144 | MFP_ADDR(GPIO163, 0x0534), | |
| 145 | MFP_ADDR(GPIO167, 0x0544), | |
| 146 | MFP_ADDR(GPIO168, 0x0548), | |
| 147 | MFP_ADDR(GPIO169, 0x054c), | |
| 148 | MFP_ADDR(GPIO170, 0x0550), | |
| 149 | MFP_ADDR(GPIO171, 0x0554), | |
| 150 | MFP_ADDR(GPIO172, 0x0558), | |
| 151 | MFP_ADDR(GPIO173, 0x055c), | |
| 152 | ||
| 153 | MFP_ADDR(nXCVREN, 0x0204), | |
| 154 | MFP_ADDR(DF_CLE_nOE, 0x020c), | |
| 155 | MFP_ADDR(DF_nADV1_ALE, 0x0218), | |
| 156 | MFP_ADDR(DF_SCLK_E, 0x0214), | |
| 157 | MFP_ADDR(DF_SCLK_S, 0x0210), | |
| 158 | MFP_ADDR(nBE0, 0x021c), | |
| 159 | MFP_ADDR(nBE1, 0x0220), | |
| 160 | MFP_ADDR(DF_nADV2_ALE, 0x0224), | |
| 161 | MFP_ADDR(DF_INT_RnB, 0x0228), | |
| 162 | MFP_ADDR(DF_nCS0, 0x022c), | |
| 163 | MFP_ADDR(DF_nCS1, 0x0230), | |
| 164 | MFP_ADDR(nLUA, 0x0254), | |
| 165 | MFP_ADDR(nLLA, 0x0258), | |
| 166 | MFP_ADDR(DF_nWE, 0x0234), | |
| 167 | MFP_ADDR(DF_nRE_nOE, 0x0238), | |
| 168 | MFP_ADDR(DF_ADDR0, 0x024c), | |
| 169 | MFP_ADDR(DF_ADDR1, 0x0250), | |
| 170 | MFP_ADDR(DF_ADDR2, 0x025c), | |
| 171 | MFP_ADDR(DF_ADDR3, 0x0260), | |
| 172 | MFP_ADDR(DF_IO0, 0x023c), | |
| 173 | MFP_ADDR(DF_IO1, 0x0240), | |
| 174 | MFP_ADDR(DF_IO2, 0x0244), | |
| 175 | MFP_ADDR(DF_IO3, 0x0248), | |
| 176 | MFP_ADDR(DF_IO4, 0x0264), | |
| 177 | MFP_ADDR(DF_IO5, 0x0268), | |
| 178 | MFP_ADDR(DF_IO6, 0x026c), | |
| 179 | MFP_ADDR(DF_IO7, 0x0270), | |
| 180 | MFP_ADDR(DF_IO8, 0x0274), | |
| 181 | MFP_ADDR(DF_IO9, 0x0278), | |
| 182 | MFP_ADDR(DF_IO10, 0x027c), | |
| 183 | MFP_ADDR(DF_IO11, 0x0280), | |
| 184 | MFP_ADDR(DF_IO12, 0x0284), | |
| 185 | MFP_ADDR(DF_IO13, 0x0288), | |
| 186 | MFP_ADDR(DF_IO14, 0x028c), | |
| 187 | MFP_ADDR(DF_IO15, 0x0290), | |
| 188 | ||
| 189 | MFP_ADDR(GSIM_UIO, 0x0314), | |
| 190 | MFP_ADDR(GSIM_UCLK, 0x0318), | |
| 191 | MFP_ADDR(GSIM_UDET, 0x031c), | |
| 192 | MFP_ADDR(GSIM_nURST, 0x0320), | |
| 193 | ||
| 194 | MFP_ADDR(PMIC_INT, 0x06c8), | |
| 195 | ||
| 196 | MFP_ADDR(RDY, 0x0200), | |
| 197 | ||
| 198 | MFP_ADDR_END, | |
| 199 | }; | |
| 200 | ||
| 201 | static DEFINE_CK(pxa95x_lcd, LCD, &clk_pxa3xx_hsio_ops); | |
| 202 | static DEFINE_CLK(pxa95x_pout, &clk_pxa3xx_pout_ops, 13000000, 70); | |
| 203 | static DEFINE_PXA3_CKEN(pxa95x_ffuart, FFUART, 14857000, 1); | |
| 204 | static DEFINE_PXA3_CKEN(pxa95x_btuart, BTUART, 14857000, 1); | |
| 205 | static DEFINE_PXA3_CKEN(pxa95x_stuart, STUART, 14857000, 1); | |
| 206 | static DEFINE_PXA3_CKEN(pxa95x_i2c, I2C, 32842000, 0); | |
| 207 | static DEFINE_PXA3_CKEN(pxa95x_keypad, KEYPAD, 32768, 0); | |
| 208 | static DEFINE_PXA3_CKEN(pxa95x_ssp1, SSP1, 13000000, 0); | |
| 209 | static DEFINE_PXA3_CKEN(pxa95x_ssp2, SSP2, 13000000, 0); | |
| 210 | static DEFINE_PXA3_CKEN(pxa95x_ssp3, SSP3, 13000000, 0); | |
| 211 | static DEFINE_PXA3_CKEN(pxa95x_ssp4, SSP4, 13000000, 0); | |
| 212 | static DEFINE_PXA3_CKEN(pxa95x_pwm0, PWM0, 13000000, 0); | |
| 213 | static DEFINE_PXA3_CKEN(pxa95x_pwm1, PWM1, 13000000, 0); | |
| 389eda15 | 214 | static DEFINE_PXA3_CKEN(pxa95x_gpio, GPIO, 13000000, 0); |
| a4553358 HZ |
215 | |
| 216 | static struct clk_lookup pxa95x_clkregs[] = { | |
| 217 | INIT_CLKREG(&clk_pxa95x_pout, NULL, "CLK_POUT"), | |
| 218 | /* Power I2C clock is always on */ | |
| 219 | INIT_CLKREG(&clk_dummy, "pxa3xx-pwri2c.1", NULL), | |
| 220 | INIT_CLKREG(&clk_pxa95x_lcd, "pxa2xx-fb", NULL), | |
| 221 | INIT_CLKREG(&clk_pxa95x_ffuart, "pxa2xx-uart.0", NULL), | |
| 222 | INIT_CLKREG(&clk_pxa95x_btuart, "pxa2xx-uart.1", NULL), | |
| 223 | INIT_CLKREG(&clk_pxa95x_stuart, "pxa2xx-uart.2", NULL), | |
| 224 | INIT_CLKREG(&clk_pxa95x_stuart, "pxa2xx-ir", "UARTCLK"), | |
| 225 | INIT_CLKREG(&clk_pxa95x_i2c, "pxa2xx-i2c.0", NULL), | |
| 226 | INIT_CLKREG(&clk_pxa95x_keypad, "pxa27x-keypad", NULL), | |
| 227 | INIT_CLKREG(&clk_pxa95x_ssp1, "pxa27x-ssp.0", NULL), | |
| 228 | INIT_CLKREG(&clk_pxa95x_ssp2, "pxa27x-ssp.1", NULL), | |
| 229 | INIT_CLKREG(&clk_pxa95x_ssp3, "pxa27x-ssp.2", NULL), | |
| 230 | INIT_CLKREG(&clk_pxa95x_ssp4, "pxa27x-ssp.3", NULL), | |
| 231 | INIT_CLKREG(&clk_pxa95x_pwm0, "pxa27x-pwm.0", NULL), | |
| 232 | INIT_CLKREG(&clk_pxa95x_pwm1, "pxa27x-pwm.1", NULL), | |
| 389eda15 | 233 | INIT_CLKREG(&clk_pxa95x_gpio, "pxa-gpio", NULL), |
| a4553358 HZ |
234 | }; |
| 235 | ||
| 236 | void __init pxa95x_init_irq(void) | |
| 237 | { | |
| 238 | pxa_init_irq(96, NULL); | |
| a4553358 HZ |
239 | } |
| 240 | ||
| 241 | /* | |
| 242 | * device registration specific to PXA93x. | |
| 243 | */ | |
| 244 | ||
| 245 | void __init pxa95x_set_i2c_power_info(struct i2c_pxa_platform_data *info) | |
| 246 | { | |
| 247 | pxa_register_device(&pxa3xx_device_i2c_power, info); | |
| 248 | } | |
| 249 | ||
| 250 | static struct platform_device *devices[] __initdata = { | |
| 157d2644 | 251 | &pxa_device_gpio, |
| a4553358 HZ |
252 | &sa1100_device_rtc, |
| 253 | &pxa_device_rtc, | |
| 254 | &pxa27x_device_ssp1, | |
| 255 | &pxa27x_device_ssp2, | |
| 256 | &pxa27x_device_ssp3, | |
| 257 | &pxa3xx_device_ssp4, | |
| 258 | &pxa27x_device_pwm0, | |
| 259 | &pxa27x_device_pwm1, | |
| 260 | }; | |
| 261 | ||
| a4553358 HZ |
262 | static int __init pxa95x_init(void) |
| 263 | { | |
| 264 | int ret = 0, i; | |
| 265 | ||
| 266 | if (cpu_is_pxa95x()) { | |
| 267 | mfp_init_base(io_p2v(MFPR_BASE)); | |
| 268 | mfp_init_addr(pxa95x_mfp_addr_map); | |
| 269 | ||
| 270 | reset_status = ARSR; | |
| 271 | ||
| 272 | /* | |
| 273 | * clear RDH bit every time after reset | |
| 274 | * | |
| 275 | * Note: the last 3 bits DxS are write-1-to-clear so carefully | |
| 276 | * preserve them here in case they will be referenced later | |
| 277 | */ | |
| 278 | ASCR &= ~(ASCR_RDH | ASCR_D1S | ASCR_D2S | ASCR_D3S); | |
| 279 | ||
| 280 | clkdev_add_table(pxa95x_clkregs, ARRAY_SIZE(pxa95x_clkregs)); | |
| 281 | ||
| 282 | if ((ret = pxa_init_dma(IRQ_DMA, 32))) | |
| 283 | return ret; | |
| 284 | ||
| 2eaa03b5 RW |
285 | register_syscore_ops(&pxa_irq_syscore_ops); |
| 286 | register_syscore_ops(&pxa_gpio_syscore_ops); | |
| 287 | register_syscore_ops(&pxa3xx_clock_syscore_ops); | |
| a4553358 HZ |
288 | |
| 289 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); | |
| 290 | } | |
| 291 | ||
| 292 | return ret; | |
| 293 | } | |
| 294 | ||
| 295 | postcore_initcall(pxa95x_init); |