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https://github.com/edk2-porting/linux-next.git
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420 lines
9.5 KiB
C
420 lines
9.5 KiB
C
/*
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* linux/arch/arm/mach-pxa/poodle.c
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*
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* Support for the SHARP Poodle Board.
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*
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* Based on:
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* linux/arch/arm/mach-pxa/lubbock.c Author: Nicolas Pitre
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Change Log
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* 12-Dec-2002 Sharp Corporation for Poodle
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* John Lenz <lenz@cs.wisc.edu> updates to 2.6
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/fb.h>
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#include <linux/pm.h>
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#include <linux/delay.h>
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#include <asm/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/setup.h>
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#include <asm/system.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/arch/pxa-regs.h>
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#include <asm/arch/mmc.h>
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#include <asm/arch/udc.h>
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#include <asm/arch/irda.h>
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#include <asm/arch/poodle.h>
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#include <asm/arch/pxafb.h>
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#include <asm/arch/sharpsl.h>
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#include <asm/arch/ssp.h>
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#include <asm/hardware/scoop.h>
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#include <asm/hardware/locomo.h>
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#include <asm/mach/sharpsl_param.h>
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#include "generic.h"
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#include "devices.h"
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#include "sharpsl.h"
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static struct resource poodle_scoop_resources[] = {
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[0] = {
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.start = 0x10800000,
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.end = 0x10800fff,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct scoop_config poodle_scoop_setup = {
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.io_dir = POODLE_SCOOP_IO_DIR,
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.io_out = POODLE_SCOOP_IO_OUT,
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};
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struct platform_device poodle_scoop_device = {
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.name = "sharp-scoop",
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.id = -1,
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.dev = {
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.platform_data = &poodle_scoop_setup,
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},
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.num_resources = ARRAY_SIZE(poodle_scoop_resources),
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.resource = poodle_scoop_resources,
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};
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static void poodle_pcmcia_init(void)
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{
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/* Setup default state of GPIO outputs
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before we enable them as outputs. */
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GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
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GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
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GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
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GPIO_bit(GPIO53_nPCE_2);
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pxa_gpio_mode(GPIO48_nPOE_MD);
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pxa_gpio_mode(GPIO49_nPWE_MD);
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pxa_gpio_mode(GPIO50_nPIOR_MD);
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pxa_gpio_mode(GPIO51_nPIOW_MD);
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pxa_gpio_mode(GPIO55_nPREG_MD);
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pxa_gpio_mode(GPIO56_nPWAIT_MD);
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pxa_gpio_mode(GPIO57_nIOIS16_MD);
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pxa_gpio_mode(GPIO52_nPCE_1_MD);
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pxa_gpio_mode(GPIO53_nPCE_2_MD);
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pxa_gpio_mode(GPIO54_pSKTSEL_MD);
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}
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static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
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{
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.dev = &poodle_scoop_device.dev,
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.irq = POODLE_IRQ_GPIO_CF_IRQ,
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.cd_irq = POODLE_IRQ_GPIO_CF_CD,
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.cd_irq_str = "PCMCIA0 CD",
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},
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};
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static struct scoop_pcmcia_config poodle_pcmcia_config = {
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.devs = &poodle_pcmcia_scoop[0],
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.num_devs = 1,
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.pcmcia_init = poodle_pcmcia_init,
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};
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EXPORT_SYMBOL(poodle_scoop_device);
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/* LoCoMo device */
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static struct resource locomo_resources[] = {
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[0] = {
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.start = 0x10000000,
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.end = 0x10001fff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_GPIO(10),
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.end = IRQ_GPIO(10),
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device poodle_locomo_device = {
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.name = "locomo",
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.id = 0,
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.num_resources = ARRAY_SIZE(locomo_resources),
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.resource = locomo_resources,
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};
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EXPORT_SYMBOL(poodle_locomo_device);
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/*
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* Poodle SSP Device
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*/
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struct platform_device poodle_ssp_device = {
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.name = "corgi-ssp",
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.id = -1,
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};
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struct corgissp_machinfo poodle_ssp_machinfo = {
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.port = 1,
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.cs_lcdcon = -1,
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.cs_ads7846 = -1,
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.cs_max1111 = -1,
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.clk_lcdcon = 2,
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.clk_ads7846 = 36,
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.clk_max1111 = 2,
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};
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/*
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* Poodle Touch Screen Device
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*/
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static struct resource poodlets_resources[] = {
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[0] = {
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.start = POODLE_IRQ_GPIO_TP_INT,
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.end = POODLE_IRQ_GPIO_TP_INT,
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.flags = IORESOURCE_IRQ,
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},
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};
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static unsigned long poodle_get_hsync_len(void)
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{
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return 0;
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}
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static void poodle_null_hsync(void)
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{
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}
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static struct corgits_machinfo poodle_ts_machinfo = {
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.get_hsync_len = poodle_get_hsync_len,
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.put_hsync = poodle_null_hsync,
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.wait_hsync = poodle_null_hsync,
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};
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static struct platform_device poodle_ts_device = {
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.name = "corgi-ts",
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.dev = {
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.platform_data = &poodle_ts_machinfo,
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},
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.id = -1,
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.num_resources = ARRAY_SIZE(poodlets_resources),
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.resource = poodlets_resources,
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};
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/*
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* MMC/SD Device
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*
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* The card detect interrupt isn't debounced so we delay it by 250ms
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* to give the card a chance to fully insert/eject.
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*/
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static struct pxamci_platform_data poodle_mci_platform_data;
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static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
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{
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int err;
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/* setup GPIO for PXA25x MMC controller */
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pxa_gpio_mode(GPIO6_MMCCLK_MD);
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pxa_gpio_mode(GPIO8_MMCCS0_MD);
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pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
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pxa_gpio_mode(POODLE_GPIO_nSD_WP | GPIO_IN);
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pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
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pxa_gpio_mode(POODLE_GPIO_SD_PWR1 | GPIO_OUT);
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poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
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err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
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IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
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"MMC card detect", data);
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if (err) {
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printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
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return -1;
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}
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return 0;
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}
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static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
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{
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struct pxamci_platform_data* p_d = dev->platform_data;
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if (( 1 << vdd) & p_d->ocr_mask) {
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GPSR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR);
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mdelay(2);
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GPSR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1);
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} else {
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GPCR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1);
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GPCR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR);
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}
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}
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static int poodle_mci_get_ro(struct device *dev)
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{
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return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP);
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}
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static void poodle_mci_exit(struct device *dev, void *data)
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{
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free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
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}
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static struct pxamci_platform_data poodle_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.init = poodle_mci_init,
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.get_ro = poodle_mci_get_ro,
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.setpower = poodle_mci_setpower,
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.exit = poodle_mci_exit,
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};
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/*
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* Irda
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*/
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static void poodle_irda_transceiver_mode(struct device *dev, int mode)
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{
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if (mode & IR_OFF) {
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GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
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} else {
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GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
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}
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}
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static struct pxaficp_platform_data poodle_ficp_platform_data = {
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.transceiver_cap = IR_SIRMODE | IR_OFF,
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.transceiver_mode = poodle_irda_transceiver_mode,
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};
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/*
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* USB Device Controller
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*/
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static void poodle_udc_command(int cmd)
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{
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switch(cmd) {
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case PXA2XX_UDC_CMD_CONNECT:
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GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
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break;
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case PXA2XX_UDC_CMD_DISCONNECT:
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GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
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break;
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}
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}
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static struct pxa2xx_udc_mach_info udc_info __initdata = {
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/* no connect GPIO; poodle can't tell connection status */
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.udc_command = poodle_udc_command,
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};
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/* PXAFB device */
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static struct pxafb_mode_info poodle_fb_mode = {
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.pixclock = 144700,
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.xres = 320,
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.yres = 240,
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.bpp = 16,
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.hsync_len = 7,
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.left_margin = 11,
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.right_margin = 30,
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.vsync_len = 2,
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.upper_margin = 2,
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.lower_margin = 0,
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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};
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static struct pxafb_mach_info poodle_fb_info = {
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.modes = &poodle_fb_mode,
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.num_modes = 1,
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.lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
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.lccr3 = 0,
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};
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static struct platform_device *devices[] __initdata = {
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&poodle_locomo_device,
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&poodle_scoop_device,
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&poodle_ssp_device,
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&poodle_ts_device,
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};
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static void poodle_poweroff(void)
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{
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RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
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arm_machine_restart('h');
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}
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static void poodle_restart(char mode)
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{
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RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
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arm_machine_restart('h');
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}
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static void __init poodle_init(void)
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{
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int ret = 0;
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pm_power_off = poodle_poweroff;
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arm_pm_restart = poodle_restart;
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/* setup sleep mode values */
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PWER = 0x00000002;
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PFER = 0x00000000;
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PRER = 0x00000002;
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PGSR0 = 0x00008000;
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PGSR1 = 0x003F0202;
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PGSR2 = 0x0001C000;
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PCFR |= PCFR_OPDE;
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/* cpu initialize */
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/* Pgsr Register */
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PGSR0 = 0x0146dd80;
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PGSR1 = 0x03bf0890;
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PGSR2 = 0x0001c000;
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/* Alternate Register */
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GAFR0_L = 0x01001000;
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GAFR0_U = 0x591a8010;
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GAFR1_L = 0x900a8451;
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GAFR1_U = 0xaaa5aaaa;
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GAFR2_L = 0x8aaaaaaa;
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GAFR2_U = 0x00000002;
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/* Direction Register */
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GPDR0 = 0xd3f0904c;
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GPDR1 = 0xfcffb7d3;
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GPDR2 = 0x0001ffff;
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/* Output Register */
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GPCR0 = 0x00000000;
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GPCR1 = 0x00000000;
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GPCR2 = 0x00000000;
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GPSR0 = 0x00400000;
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GPSR1 = 0x00000000;
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GPSR2 = 0x00000000;
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set_pxa_fb_parent(&poodle_locomo_device.dev);
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set_pxa_fb_info(&poodle_fb_info);
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pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
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pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
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pxa_set_udc_info(&udc_info);
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pxa_set_mci_info(&poodle_mci_platform_data);
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pxa_set_ficp_info(&poodle_ficp_platform_data);
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platform_scoop_config = &poodle_pcmcia_config;
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ret = platform_add_devices(devices, ARRAY_SIZE(devices));
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if (ret) {
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printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
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}
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corgi_ssp_set_machinfo(&poodle_ssp_machinfo);
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}
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static void __init fixup_poodle(struct machine_desc *desc,
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struct tag *tags, char **cmdline, struct meminfo *mi)
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{
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sharpsl_save_param();
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mi->nr_banks=1;
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mi->bank[0].start = 0xa0000000;
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mi->bank[0].node = 0;
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mi->bank[0].size = (32*1024*1024);
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}
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MACHINE_START(POODLE, "SHARP Poodle")
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.phys_io = 0x40000000,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.fixup = fixup_poodle,
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.map_io = pxa_map_io,
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.init_irq = pxa25x_init_irq,
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.timer = &pxa_timer,
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.init_machine = poodle_init,
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MACHINE_END
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