|  | /* | 
|  | * linux/arch/arm/mach-pxa/pxa95x.c | 
|  | * | 
|  | * code specific to PXA95x aka MGx | 
|  | * | 
|  | * Copyright (C) 2009-2010 Marvell International Ltd. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License version 2 as | 
|  | * published by the Free Software Foundation. | 
|  | */ | 
|  |  | 
|  | #include <linux/module.h> | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/pm.h> | 
|  | #include <linux/platform_device.h> | 
|  | #include <linux/i2c/pxa-i2c.h> | 
|  | #include <linux/irq.h> | 
|  | #include <linux/io.h> | 
|  | #include <linux/syscore_ops.h> | 
|  |  | 
|  | #include <mach/hardware.h> | 
|  | #include <mach/gpio.h> | 
|  | #include <mach/pxa3xx-regs.h> | 
|  | #include <mach/pxa930.h> | 
|  | #include <mach/reset.h> | 
|  | #include <mach/pm.h> | 
|  | #include <mach/dma.h> | 
|  | #include <mach/regs-intc.h> | 
|  |  | 
|  | #include "generic.h" | 
|  | #include "devices.h" | 
|  | #include "clock.h" | 
|  |  | 
|  | static struct mfp_addr_map pxa95x_mfp_addr_map[] __initdata = { | 
|  |  | 
|  | MFP_ADDR(GPIO0, 0x02e0), | 
|  | MFP_ADDR(GPIO1, 0x02dc), | 
|  | MFP_ADDR(GPIO2, 0x02e8), | 
|  | MFP_ADDR(GPIO3, 0x02d8), | 
|  | MFP_ADDR(GPIO4, 0x02e4), | 
|  | MFP_ADDR(GPIO5, 0x02ec), | 
|  | MFP_ADDR(GPIO6, 0x02f8), | 
|  | MFP_ADDR(GPIO7, 0x02fc), | 
|  | MFP_ADDR(GPIO8, 0x0300), | 
|  | MFP_ADDR(GPIO9, 0x02d4), | 
|  | MFP_ADDR(GPIO10, 0x02f4), | 
|  | MFP_ADDR(GPIO11, 0x02f0), | 
|  | MFP_ADDR(GPIO12, 0x0304), | 
|  | MFP_ADDR(GPIO13, 0x0310), | 
|  | MFP_ADDR(GPIO14, 0x0308), | 
|  | MFP_ADDR(GPIO15, 0x030c), | 
|  | MFP_ADDR(GPIO16, 0x04e8), | 
|  | MFP_ADDR(GPIO17, 0x04f4), | 
|  | MFP_ADDR(GPIO18, 0x04f8), | 
|  | MFP_ADDR(GPIO19, 0x04fc), | 
|  | MFP_ADDR(GPIO20, 0x0518), | 
|  | MFP_ADDR(GPIO21, 0x051c), | 
|  | MFP_ADDR(GPIO22, 0x04ec), | 
|  | MFP_ADDR(GPIO23, 0x0500), | 
|  | MFP_ADDR(GPIO24, 0x04f0), | 
|  | MFP_ADDR(GPIO25, 0x0504), | 
|  | MFP_ADDR(GPIO26, 0x0510), | 
|  | MFP_ADDR(GPIO27, 0x0514), | 
|  | MFP_ADDR(GPIO28, 0x0520), | 
|  | MFP_ADDR(GPIO29, 0x0600), | 
|  | MFP_ADDR(GPIO30, 0x0618), | 
|  | MFP_ADDR(GPIO31, 0x0610), | 
|  | MFP_ADDR(GPIO32, 0x060c), | 
|  | MFP_ADDR(GPIO33, 0x061c), | 
|  | MFP_ADDR(GPIO34, 0x0620), | 
|  | MFP_ADDR(GPIO35, 0x0628), | 
|  | MFP_ADDR(GPIO36, 0x062c), | 
|  | MFP_ADDR(GPIO37, 0x0630), | 
|  | MFP_ADDR(GPIO38, 0x0634), | 
|  | MFP_ADDR(GPIO39, 0x0638), | 
|  | MFP_ADDR(GPIO40, 0x063c), | 
|  | MFP_ADDR(GPIO41, 0x0614), | 
|  | MFP_ADDR(GPIO42, 0x0624), | 
|  | MFP_ADDR(GPIO43, 0x0608), | 
|  | MFP_ADDR(GPIO44, 0x0604), | 
|  | MFP_ADDR(GPIO45, 0x050c), | 
|  | MFP_ADDR(GPIO46, 0x0508), | 
|  | MFP_ADDR(GPIO47, 0x02bc), | 
|  | MFP_ADDR(GPIO48, 0x02b4), | 
|  | MFP_ADDR(GPIO49, 0x02b8), | 
|  | MFP_ADDR(GPIO50, 0x02c8), | 
|  | MFP_ADDR(GPIO51, 0x02c0), | 
|  | MFP_ADDR(GPIO52, 0x02c4), | 
|  | MFP_ADDR(GPIO53, 0x02d0), | 
|  | MFP_ADDR(GPIO54, 0x02cc), | 
|  | MFP_ADDR(GPIO55, 0x029c), | 
|  | MFP_ADDR(GPIO56, 0x02a0), | 
|  | MFP_ADDR(GPIO57, 0x0294), | 
|  | MFP_ADDR(GPIO58, 0x0298), | 
|  | MFP_ADDR(GPIO59, 0x02a4), | 
|  | MFP_ADDR(GPIO60, 0x02a8), | 
|  | MFP_ADDR(GPIO61, 0x02b0), | 
|  | MFP_ADDR(GPIO62, 0x02ac), | 
|  | MFP_ADDR(GPIO63, 0x0640), | 
|  | MFP_ADDR(GPIO64, 0x065c), | 
|  | MFP_ADDR(GPIO65, 0x0648), | 
|  | MFP_ADDR(GPIO66, 0x0644), | 
|  | MFP_ADDR(GPIO67, 0x0674), | 
|  | MFP_ADDR(GPIO68, 0x0658), | 
|  | MFP_ADDR(GPIO69, 0x0654), | 
|  | MFP_ADDR(GPIO70, 0x0660), | 
|  | MFP_ADDR(GPIO71, 0x0668), | 
|  | MFP_ADDR(GPIO72, 0x0664), | 
|  | MFP_ADDR(GPIO73, 0x0650), | 
|  | MFP_ADDR(GPIO74, 0x066c), | 
|  | MFP_ADDR(GPIO75, 0x064c), | 
|  | MFP_ADDR(GPIO76, 0x0670), | 
|  | MFP_ADDR(GPIO77, 0x0678), | 
|  | MFP_ADDR(GPIO78, 0x067c), | 
|  | MFP_ADDR(GPIO79, 0x0694), | 
|  | MFP_ADDR(GPIO80, 0x069c), | 
|  | MFP_ADDR(GPIO81, 0x06a0), | 
|  | MFP_ADDR(GPIO82, 0x06a4), | 
|  | MFP_ADDR(GPIO83, 0x0698), | 
|  | MFP_ADDR(GPIO84, 0x06bc), | 
|  | MFP_ADDR(GPIO85, 0x06b4), | 
|  | MFP_ADDR(GPIO86, 0x06b0), | 
|  | MFP_ADDR(GPIO87, 0x06c0), | 
|  | MFP_ADDR(GPIO88, 0x06c4), | 
|  | MFP_ADDR(GPIO89, 0x06ac), | 
|  | MFP_ADDR(GPIO90, 0x0680), | 
|  | MFP_ADDR(GPIO91, 0x0684), | 
|  | MFP_ADDR(GPIO92, 0x0688), | 
|  | MFP_ADDR(GPIO93, 0x0690), | 
|  | MFP_ADDR(GPIO94, 0x068c), | 
|  | MFP_ADDR(GPIO95, 0x06a8), | 
|  | MFP_ADDR(GPIO96, 0x06b8), | 
|  | MFP_ADDR(GPIO97, 0x0410), | 
|  | MFP_ADDR(GPIO98, 0x0418), | 
|  | MFP_ADDR(GPIO99, 0x041c), | 
|  | MFP_ADDR(GPIO100, 0x0414), | 
|  | MFP_ADDR(GPIO101, 0x0408), | 
|  | MFP_ADDR(GPIO102, 0x0324), | 
|  | MFP_ADDR(GPIO103, 0x040c), | 
|  | MFP_ADDR(GPIO104, 0x0400), | 
|  | MFP_ADDR(GPIO105, 0x0328), | 
|  | MFP_ADDR(GPIO106, 0x0404), | 
|  |  | 
|  | MFP_ADDR(GPIO159, 0x0524), | 
|  | MFP_ADDR(GPIO163, 0x0534), | 
|  | MFP_ADDR(GPIO167, 0x0544), | 
|  | MFP_ADDR(GPIO168, 0x0548), | 
|  | MFP_ADDR(GPIO169, 0x054c), | 
|  | MFP_ADDR(GPIO170, 0x0550), | 
|  | MFP_ADDR(GPIO171, 0x0554), | 
|  | MFP_ADDR(GPIO172, 0x0558), | 
|  | MFP_ADDR(GPIO173, 0x055c), | 
|  |  | 
|  | MFP_ADDR(nXCVREN, 0x0204), | 
|  | MFP_ADDR(DF_CLE_nOE, 0x020c), | 
|  | MFP_ADDR(DF_nADV1_ALE, 0x0218), | 
|  | MFP_ADDR(DF_SCLK_E, 0x0214), | 
|  | MFP_ADDR(DF_SCLK_S, 0x0210), | 
|  | MFP_ADDR(nBE0, 0x021c), | 
|  | MFP_ADDR(nBE1, 0x0220), | 
|  | MFP_ADDR(DF_nADV2_ALE, 0x0224), | 
|  | MFP_ADDR(DF_INT_RnB, 0x0228), | 
|  | MFP_ADDR(DF_nCS0, 0x022c), | 
|  | MFP_ADDR(DF_nCS1, 0x0230), | 
|  | MFP_ADDR(nLUA, 0x0254), | 
|  | MFP_ADDR(nLLA, 0x0258), | 
|  | MFP_ADDR(DF_nWE, 0x0234), | 
|  | MFP_ADDR(DF_nRE_nOE, 0x0238), | 
|  | MFP_ADDR(DF_ADDR0, 0x024c), | 
|  | MFP_ADDR(DF_ADDR1, 0x0250), | 
|  | MFP_ADDR(DF_ADDR2, 0x025c), | 
|  | MFP_ADDR(DF_ADDR3, 0x0260), | 
|  | MFP_ADDR(DF_IO0, 0x023c), | 
|  | MFP_ADDR(DF_IO1, 0x0240), | 
|  | MFP_ADDR(DF_IO2, 0x0244), | 
|  | MFP_ADDR(DF_IO3, 0x0248), | 
|  | MFP_ADDR(DF_IO4, 0x0264), | 
|  | MFP_ADDR(DF_IO5, 0x0268), | 
|  | MFP_ADDR(DF_IO6, 0x026c), | 
|  | MFP_ADDR(DF_IO7, 0x0270), | 
|  | MFP_ADDR(DF_IO8, 0x0274), | 
|  | MFP_ADDR(DF_IO9, 0x0278), | 
|  | MFP_ADDR(DF_IO10, 0x027c), | 
|  | MFP_ADDR(DF_IO11, 0x0280), | 
|  | MFP_ADDR(DF_IO12, 0x0284), | 
|  | MFP_ADDR(DF_IO13, 0x0288), | 
|  | MFP_ADDR(DF_IO14, 0x028c), | 
|  | MFP_ADDR(DF_IO15, 0x0290), | 
|  |  | 
|  | MFP_ADDR(GSIM_UIO, 0x0314), | 
|  | MFP_ADDR(GSIM_UCLK, 0x0318), | 
|  | MFP_ADDR(GSIM_UDET, 0x031c), | 
|  | MFP_ADDR(GSIM_nURST, 0x0320), | 
|  |  | 
|  | MFP_ADDR(PMIC_INT, 0x06c8), | 
|  |  | 
|  | MFP_ADDR(RDY, 0x0200), | 
|  |  | 
|  | MFP_ADDR_END, | 
|  | }; | 
|  |  | 
|  | static DEFINE_CK(pxa95x_lcd, LCD, &clk_pxa3xx_hsio_ops); | 
|  | static DEFINE_CLK(pxa95x_pout, &clk_pxa3xx_pout_ops, 13000000, 70); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_ffuart, FFUART, 14857000, 1); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_btuart, BTUART, 14857000, 1); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_stuart, STUART, 14857000, 1); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_i2c, I2C, 32842000, 0); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_keypad, KEYPAD, 32768, 0); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_ssp1, SSP1, 13000000, 0); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_ssp2, SSP2, 13000000, 0); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_ssp3, SSP3, 13000000, 0); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_ssp4, SSP4, 13000000, 0); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_pwm0, PWM0, 13000000, 0); | 
|  | static DEFINE_PXA3_CKEN(pxa95x_pwm1, PWM1, 13000000, 0); | 
|  |  | 
|  | static struct clk_lookup pxa95x_clkregs[] = { | 
|  | INIT_CLKREG(&clk_pxa95x_pout, NULL, "CLK_POUT"), | 
|  | /* Power I2C clock is always on */ | 
|  | INIT_CLKREG(&clk_dummy, "pxa3xx-pwri2c.1", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_lcd, "pxa2xx-fb", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_ffuart, "pxa2xx-uart.0", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_btuart, "pxa2xx-uart.1", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_stuart, "pxa2xx-uart.2", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_stuart, "pxa2xx-ir", "UARTCLK"), | 
|  | INIT_CLKREG(&clk_pxa95x_i2c, "pxa2xx-i2c.0", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_keypad, "pxa27x-keypad", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_ssp1, "pxa27x-ssp.0", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_ssp2, "pxa27x-ssp.1", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_ssp3, "pxa27x-ssp.2", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_ssp4, "pxa27x-ssp.3", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_pwm0, "pxa27x-pwm.0", NULL), | 
|  | INIT_CLKREG(&clk_pxa95x_pwm1, "pxa27x-pwm.1", NULL), | 
|  | }; | 
|  |  | 
|  | void __init pxa95x_init_irq(void) | 
|  | { | 
|  | pxa_init_irq(96, NULL); | 
|  | pxa_init_gpio(IRQ_GPIO_2_x, 2, 127, NULL); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * device registration specific to PXA93x. | 
|  | */ | 
|  |  | 
|  | void __init pxa95x_set_i2c_power_info(struct i2c_pxa_platform_data *info) | 
|  | { | 
|  | pxa_register_device(&pxa3xx_device_i2c_power, info); | 
|  | } | 
|  |  | 
|  | static struct platform_device *devices[] __initdata = { | 
|  | &sa1100_device_rtc, | 
|  | &pxa_device_rtc, | 
|  | &pxa27x_device_ssp1, | 
|  | &pxa27x_device_ssp2, | 
|  | &pxa27x_device_ssp3, | 
|  | &pxa3xx_device_ssp4, | 
|  | &pxa27x_device_pwm0, | 
|  | &pxa27x_device_pwm1, | 
|  | }; | 
|  |  | 
|  | static int __init pxa95x_init(void) | 
|  | { | 
|  | int ret = 0, i; | 
|  |  | 
|  | if (cpu_is_pxa95x()) { | 
|  | mfp_init_base(io_p2v(MFPR_BASE)); | 
|  | mfp_init_addr(pxa95x_mfp_addr_map); | 
|  |  | 
|  | reset_status = ARSR; | 
|  |  | 
|  | /* | 
|  | * clear RDH bit every time after reset | 
|  | * | 
|  | * Note: the last 3 bits DxS are write-1-to-clear so carefully | 
|  | * preserve them here in case they will be referenced later | 
|  | */ | 
|  | ASCR &= ~(ASCR_RDH | ASCR_D1S | ASCR_D2S | ASCR_D3S); | 
|  |  | 
|  | clkdev_add_table(pxa95x_clkregs, ARRAY_SIZE(pxa95x_clkregs)); | 
|  |  | 
|  | if ((ret = pxa_init_dma(IRQ_DMA, 32))) | 
|  | return ret; | 
|  |  | 
|  | register_syscore_ops(&pxa_irq_syscore_ops); | 
|  | register_syscore_ops(&pxa_gpio_syscore_ops); | 
|  | register_syscore_ops(&pxa3xx_clock_syscore_ops); | 
|  |  | 
|  | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); | 
|  | } | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | postcore_initcall(pxa95x_init); |