| /* |
| * 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/irq.h> |
| #include <linux/io.h> |
| #include <linux/sysdev.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 <plat/i2c.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 struct sys_device pxa95x_sysdev[] = { |
| { |
| .cls = &pxa_irq_sysclass, |
| }, { |
| .cls = &pxa_gpio_sysclass, |
| }, { |
| .cls = &pxa3xx_clock_sysclass, |
| } |
| }; |
| |
| 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; |
| |
| for (i = 0; i < ARRAY_SIZE(pxa95x_sysdev); i++) { |
| ret = sysdev_register(&pxa95x_sysdev[i]); |
| if (ret) |
| pr_err("failed to register sysdev[%d]\n", i); |
| } |
| |
| ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
| } |
| |
| return ret; |
| } |
| |
| postcore_initcall(pxa95x_init); |
