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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/arch/arm/mach-pxa/pxa95x.c

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8.0 KiB
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/*
* 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-pxa.h>
#include <mach/pxa3xx-regs.h>
#include <mach/pxa930.h>
#include <mach/reset.h>
#include <mach/pm.h>
#include <mach/dma.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);
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