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570 lines
13 KiB
570 lines
13 KiB
/*
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* Support for Sharp SL-Cxx00 Series of PDAs
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* Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
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*
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* Copyright (c) 2005 Richard Purdie
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*
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* Based on Sharp's 2.4 kernel patches/lubbock.c
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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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*/
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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/delay.h>
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#include <linux/major.h>
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#include <linux/fs.h>
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#include <linux/interrupt.h>
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#include <linux/mmc/host.h>
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#include <linux/pm.h>
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#include <asm/setup.h>
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#include <asm/memory.h>
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#include <asm/mach-types.h>
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#include <asm/hardware.h>
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#include <asm/irq.h>
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#include <asm/io.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/irda.h>
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#include <asm/arch/mmc.h>
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#include <asm/arch/ohci.h>
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#include <asm/arch/udc.h>
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#include <asm/arch/pxafb.h>
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#include <asm/arch/akita.h>
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#include <asm/arch/spitz.h>
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#include <asm/arch/sharpsl.h>
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#include <asm/mach/sharpsl_param.h>
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#include <asm/hardware/scoop.h>
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#include "generic.h"
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#include "sharpsl.h"
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/*
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* Spitz SCOOP Device #1
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*/
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static struct resource spitz_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 spitz_scoop_setup = {
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.io_dir = SPITZ_SCP_IO_DIR,
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.io_out = SPITZ_SCP_IO_OUT,
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.suspend_clr = SPITZ_SCP_SUS_CLR,
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.suspend_set = SPITZ_SCP_SUS_SET,
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};
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struct platform_device spitzscoop_device = {
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.name = "sharp-scoop",
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.id = 0,
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.dev = {
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.platform_data = &spitz_scoop_setup,
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},
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.num_resources = ARRAY_SIZE(spitz_scoop_resources),
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.resource = spitz_scoop_resources,
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};
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/*
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* Spitz SCOOP Device #2
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*/
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static struct resource spitz_scoop2_resources[] = {
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[0] = {
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.start = 0x08800040,
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.end = 0x08800fff,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct scoop_config spitz_scoop2_setup = {
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.io_dir = SPITZ_SCP2_IO_DIR,
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.io_out = SPITZ_SCP2_IO_OUT,
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.suspend_clr = SPITZ_SCP2_SUS_CLR,
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.suspend_set = SPITZ_SCP2_SUS_SET,
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};
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struct platform_device spitzscoop2_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 = &spitz_scoop2_setup,
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},
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.num_resources = ARRAY_SIZE(spitz_scoop2_resources),
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.resource = spitz_scoop2_resources,
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};
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#define SPITZ_PWR_SD 0x01
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#define SPITZ_PWR_CF 0x02
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/* Power control is shared with between one of the CF slots and SD */
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static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
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{
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unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
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if (new_cpr & 0x0007) {
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set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
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if (!(cpr & 0x0002) && !(cpr & 0x0004))
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mdelay(5);
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if (device == SPITZ_PWR_CF)
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cpr |= 0x0002;
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if (device == SPITZ_PWR_SD)
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cpr |= 0x0004;
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write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
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} else {
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if (device == SPITZ_PWR_CF)
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cpr &= ~0x0002;
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if (device == SPITZ_PWR_SD)
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cpr &= ~0x0004;
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if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
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write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
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mdelay(1);
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reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
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} else {
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write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
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}
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}
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}
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static void spitz_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(GPIO54_nPCE_2);
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GPSR(GPIO85_nPCE_1) = GPIO_bit(GPIO85_nPCE_1);
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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(GPIO85_nPCE_1_MD);
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pxa_gpio_mode(GPIO54_nPCE_2_MD);
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pxa_gpio_mode(GPIO104_pSKTSEL_MD);
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}
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static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
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{
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/* Only need to override behaviour for slot 0 */
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if (nr == 0)
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spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
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else
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write_scoop_reg(scoop, SCOOP_CPR, cpr);
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}
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static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
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{
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.dev = &spitzscoop_device.dev,
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.irq = SPITZ_IRQ_GPIO_CF_IRQ,
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.cd_irq = SPITZ_IRQ_GPIO_CF_CD,
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.cd_irq_str = "PCMCIA0 CD",
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},{
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.dev = &spitzscoop2_device.dev,
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.irq = SPITZ_IRQ_GPIO_CF2_IRQ,
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.cd_irq = -1,
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},
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};
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static struct scoop_pcmcia_config spitz_pcmcia_config = {
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.devs = &spitz_pcmcia_scoop[0],
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.num_devs = 2,
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.pcmcia_init = spitz_pcmcia_init,
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.power_ctrl = spitz_pcmcia_pwr,
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};
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EXPORT_SYMBOL(spitzscoop_device);
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EXPORT_SYMBOL(spitzscoop2_device);
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/*
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* Spitz SSP Device
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*
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* Set the parent as the scoop device because a lot of SSP devices
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* also use scoop functions and this makes the power up/down order
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* work correctly.
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*/
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struct platform_device spitzssp_device = {
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.name = "corgi-ssp",
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.dev = {
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.parent = &spitzscoop_device.dev,
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},
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.id = -1,
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};
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struct corgissp_machinfo spitz_ssp_machinfo = {
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.port = 2,
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.cs_lcdcon = SPITZ_GPIO_LCDCON_CS,
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.cs_ads7846 = SPITZ_GPIO_ADS7846_CS,
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.cs_max1111 = SPITZ_GPIO_MAX1111_CS,
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.clk_lcdcon = 520,
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.clk_ads7846 = 14,
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.clk_max1111 = 56,
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};
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/*
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* Spitz Backlight Device
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*/
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static struct corgibl_machinfo spitz_bl_machinfo = {
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.default_intensity = 0x1f,
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.limit_mask = 0x0b,
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.max_intensity = 0x2f,
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};
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static struct platform_device spitzbl_device = {
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.name = "corgi-bl",
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.dev = {
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.platform_data = &spitz_bl_machinfo,
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},
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.id = -1,
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};
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/*
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* Spitz Keyboard Device
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*/
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static struct platform_device spitzkbd_device = {
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.name = "spitz-keyboard",
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.id = -1,
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};
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/*
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* Spitz LEDs
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*/
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static struct platform_device spitzled_device = {
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.name = "spitz-led",
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.id = -1,
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};
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/*
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* Spitz Touch Screen Device
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*/
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static struct resource spitzts_resources[] = {
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[0] = {
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.start = SPITZ_IRQ_GPIO_TP_INT,
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.end = SPITZ_IRQ_GPIO_TP_INT,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct corgits_machinfo spitz_ts_machinfo = {
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.get_hsync_len = spitz_get_hsync_len,
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.put_hsync = spitz_put_hsync,
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.wait_hsync = spitz_wait_hsync,
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};
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static struct platform_device spitzts_device = {
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.name = "corgi-ts",
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.dev = {
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.parent = &spitzssp_device.dev,
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.platform_data = &spitz_ts_machinfo,
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},
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.id = -1,
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.num_resources = ARRAY_SIZE(spitzts_resources),
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.resource = spitzts_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 spitz_mci_platform_data;
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static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data)
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{
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int err;
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/* setup GPIO for PXA27x MMC controller */
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pxa_gpio_mode(GPIO32_MMCCLK_MD);
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pxa_gpio_mode(GPIO112_MMCCMD_MD);
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pxa_gpio_mode(GPIO92_MMCDAT0_MD);
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pxa_gpio_mode(GPIO109_MMCDAT1_MD);
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pxa_gpio_mode(GPIO110_MMCDAT2_MD);
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pxa_gpio_mode(GPIO111_MMCDAT3_MD);
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pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN);
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pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN);
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spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
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err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
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SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
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"MMC card detect", data);
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if (err) {
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printk(KERN_ERR "spitz_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 spitz_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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spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
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else
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spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
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}
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static int spitz_mci_get_ro(struct device *dev)
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{
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return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP);
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}
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static void spitz_mci_exit(struct device *dev, void *data)
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{
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free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
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}
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static struct pxamci_platform_data spitz_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.init = spitz_mci_init,
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.get_ro = spitz_mci_get_ro,
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.setpower = spitz_mci_setpower,
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.exit = spitz_mci_exit,
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};
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/*
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* USB Host (OHCI)
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*/
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static int spitz_ohci_init(struct device *dev)
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{
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/* Only Port 2 is connected */
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pxa_gpio_mode(SPITZ_GPIO_USB_CONNECT | GPIO_IN);
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pxa_gpio_mode(SPITZ_GPIO_USB_HOST | GPIO_OUT);
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pxa_gpio_mode(SPITZ_GPIO_USB_DEVICE | GPIO_IN);
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/* Setup USB Port 2 Output Control Register */
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UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
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GPSR(SPITZ_GPIO_USB_HOST) = GPIO_bit(SPITZ_GPIO_USB_HOST);
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UHCHR = (UHCHR) &
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~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
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UHCRHDA |= UHCRHDA_NOCP;
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return 0;
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}
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static struct pxaohci_platform_data spitz_ohci_platform_data = {
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.port_mode = PMM_NPS_MODE,
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.init = spitz_ohci_init,
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.power_budget = 150,
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};
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/*
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* Irda
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*/
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static void spitz_irda_transceiver_mode(struct device *dev, int mode)
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{
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if (mode & IR_OFF)
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set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
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else
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reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
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}
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#ifdef CONFIG_MACH_AKITA
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static void akita_irda_transceiver_mode(struct device *dev, int mode)
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{
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if (mode & IR_OFF)
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akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
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else
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akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
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}
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#endif
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static struct pxaficp_platform_data spitz_ficp_platform_data = {
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.transceiver_cap = IR_SIRMODE | IR_OFF,
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.transceiver_mode = spitz_irda_transceiver_mode,
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};
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/*
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* Spitz PXA Framebuffer
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*/
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static struct pxafb_mach_info spitz_pxafb_info __initdata = {
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.pixclock = 19231,
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.xres = 480,
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.yres = 640,
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.bpp = 16,
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.hsync_len = 40,
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.left_margin = 46,
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.right_margin = 125,
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.vsync_len = 3,
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.upper_margin = 1,
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.lower_margin = 0,
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.sync = 0,
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.lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
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.lccr3 = LCCR3_PixRsEdg | LCCR3_OutEnH,
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.pxafb_lcd_power = spitz_lcd_power,
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};
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static struct platform_device *devices[] __initdata = {
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&spitzscoop_device,
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&spitzssp_device,
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&spitzkbd_device,
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&spitzts_device,
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&spitzbl_device,
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&spitzled_device,
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};
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static void spitz_poweroff(void)
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{
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RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
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pxa_gpio_mode(SPITZ_GPIO_ON_RESET | GPIO_OUT);
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GPSR(SPITZ_GPIO_ON_RESET) = GPIO_bit(SPITZ_GPIO_ON_RESET);
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mdelay(1000);
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arm_machine_restart('h');
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}
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static void spitz_restart(char mode)
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{
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/* Bootloader magic for a reboot */
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if((MSC0 & 0xffff0000) == 0x7ff00000)
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MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
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spitz_poweroff();
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}
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static void __init common_init(void)
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{
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pm_power_off = spitz_poweroff;
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arm_pm_restart = spitz_restart;
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PMCR = 0x00;
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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 = 0x0158C000;
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PGSR1 = 0x00FF0080;
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PGSR2 = 0x0001C004;
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/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
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PCFR |= PCFR_OPDE;
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corgi_ssp_set_machinfo(&spitz_ssp_machinfo);
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pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN);
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platform_add_devices(devices, ARRAY_SIZE(devices));
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pxa_set_mci_info(&spitz_mci_platform_data);
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pxa_set_ohci_info(&spitz_ohci_platform_data);
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pxa_set_ficp_info(&spitz_ficp_platform_data);
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set_pxa_fb_parent(&spitzssp_device.dev);
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set_pxa_fb_info(&spitz_pxafb_info);
|
|
}
|
|
|
|
static void __init spitz_init(void)
|
|
{
|
|
platform_scoop_config = &spitz_pcmcia_config;
|
|
|
|
spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
|
|
|
|
common_init();
|
|
|
|
platform_device_register(&spitzscoop2_device);
|
|
}
|
|
|
|
#ifdef CONFIG_MACH_AKITA
|
|
/*
|
|
* Akita IO Expander
|
|
*/
|
|
struct platform_device akitaioexp_device = {
|
|
.name = "akita-ioexp",
|
|
.id = -1,
|
|
};
|
|
|
|
EXPORT_SYMBOL_GPL(akitaioexp_device);
|
|
|
|
static void __init akita_init(void)
|
|
{
|
|
spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
|
|
|
|
/* We just pretend the second element of the array doesn't exist */
|
|
spitz_pcmcia_config.num_devs = 1;
|
|
platform_scoop_config = &spitz_pcmcia_config;
|
|
spitz_bl_machinfo.set_bl_intensity = akita_bl_set_intensity;
|
|
|
|
platform_device_register(&akitaioexp_device);
|
|
|
|
spitzscoop_device.dev.parent = &akitaioexp_device.dev;
|
|
common_init();
|
|
}
|
|
#endif
|
|
|
|
|
|
static void __init fixup_spitz(struct machine_desc *desc,
|
|
struct tag *tags, char **cmdline, struct meminfo *mi)
|
|
{
|
|
sharpsl_save_param();
|
|
mi->nr_banks = 1;
|
|
mi->bank[0].start = 0xa0000000;
|
|
mi->bank[0].node = 0;
|
|
mi->bank[0].size = (64*1024*1024);
|
|
}
|
|
|
|
#ifdef CONFIG_MACH_SPITZ
|
|
MACHINE_START(SPITZ, "SHARP Spitz")
|
|
.phys_io = 0x40000000,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.fixup = fixup_spitz,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa_init_irq,
|
|
.init_machine = spitz_init,
|
|
.timer = &pxa_timer,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_BORZOI
|
|
MACHINE_START(BORZOI, "SHARP Borzoi")
|
|
.phys_io = 0x40000000,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.fixup = fixup_spitz,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa_init_irq,
|
|
.init_machine = spitz_init,
|
|
.timer = &pxa_timer,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_AKITA
|
|
MACHINE_START(AKITA, "SHARP Akita")
|
|
.phys_io = 0x40000000,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.fixup = fixup_spitz,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa_init_irq,
|
|
.init_machine = akita_init,
|
|
.timer = &pxa_timer,
|
|
MACHINE_END
|
|
#endif
|
|
|