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-rw-r--r--arch/arm/mach-pxa/spitz.c380
1 files changed, 380 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
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index 00000000000..568afe3d6e1
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+++ b/arch/arm/mach-pxa/spitz.c
@@ -0,0 +1,380 @@
+/*
+ * Support for Sharp SL-Cxx00 Series of PDAs
+ * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
+ *
+ * Copyright (c) 2005 Richard Purdie
+ *
+ * Based on Sharp's 2.4 kernel patches/lubbock.c
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/major.h>
+#include <linux/fs.h>
+#include <linux/interrupt.h>
+#include <linux/mmc/host.h>
+
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/irq.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/udc.h>
+#include <asm/arch/ohci.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/akita.h>
+#include <asm/arch/spitz.h>
+#include <asm/arch/sharpsl.h>
+
+#include <asm/mach/sharpsl_param.h>
+#include <asm/hardware/scoop.h>
+
+#include "generic.h"
+#include "sharpsl.h"
+
+/*
+ * Spitz SCOOP Device #1
+ */
+static struct resource spitz_scoop_resources[] = {
+ [0] = {
+ .start = 0x10800000,
+ .end = 0x10800fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct scoop_config spitz_scoop_setup = {
+ .io_dir = SPITZ_SCP_IO_DIR,
+ .io_out = SPITZ_SCP_IO_OUT,
+ .suspend_clr = SPITZ_SCP_SUS_CLR,
+ .suspend_set = SPITZ_SCP_SUS_SET,
+};
+
+struct platform_device spitzscoop_device = {
+ .name = "sharp-scoop",
+ .id = 0,
+ .dev = {
+ .platform_data = &spitz_scoop_setup,
+ },
+ .num_resources = ARRAY_SIZE(spitz_scoop_resources),
+ .resource = spitz_scoop_resources,
+};
+
+/*
+ * Spitz SCOOP Device #2
+ */
+static struct resource spitz_scoop2_resources[] = {
+ [0] = {
+ .start = 0x08800040,
+ .end = 0x08800fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct scoop_config spitz_scoop2_setup = {
+ .io_dir = SPITZ_SCP2_IO_DIR,
+ .io_out = SPITZ_SCP2_IO_OUT,
+ .suspend_clr = SPITZ_SCP2_SUS_CLR,
+ .suspend_set = SPITZ_SCP2_SUS_SET,
+};
+
+struct platform_device spitzscoop2_device = {
+ .name = "sharp-scoop",
+ .id = 1,
+ .dev = {
+ .platform_data = &spitz_scoop2_setup,
+ },
+ .num_resources = ARRAY_SIZE(spitz_scoop2_resources),
+ .resource = spitz_scoop2_resources,
+};
+
+static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
+{
+ .dev = &spitzscoop_device.dev,
+ .irq = SPITZ_IRQ_GPIO_CF_IRQ,
+ .cd_irq = SPITZ_IRQ_GPIO_CF_CD,
+ .cd_irq_str = "PCMCIA0 CD",
+},{
+ .dev = &spitzscoop2_device.dev,
+ .irq = SPITZ_IRQ_GPIO_CF2_IRQ,
+ .cd_irq = -1,
+},
+};
+
+
+/*
+ * Spitz SSP Device
+ *
+ * Set the parent as the scoop device because a lot of SSP devices
+ * also use scoop functions and this makes the power up/down order
+ * work correctly.
+ */
+struct platform_device spitzssp_device = {
+ .name = "corgi-ssp",
+ .dev = {
+ .parent = &spitzscoop_device.dev,
+ },
+ .id = -1,
+};
+
+struct corgissp_machinfo spitz_ssp_machinfo = {
+ .port = 2,
+ .cs_lcdcon = SPITZ_GPIO_LCDCON_CS,
+ .cs_ads7846 = SPITZ_GPIO_ADS7846_CS,
+ .cs_max1111 = SPITZ_GPIO_MAX1111_CS,
+ .clk_lcdcon = 520,
+ .clk_ads7846 = 14,
+ .clk_max1111 = 56,
+};
+
+
+/*
+ * Spitz Backlight Device
+ */
+static struct corgibl_machinfo spitz_bl_machinfo = {
+ .max_intensity = 0x2f,
+};
+
+static struct platform_device spitzbl_device = {
+ .name = "corgi-bl",
+ .dev = {
+ .platform_data = &spitz_bl_machinfo,
+ },
+ .id = -1,
+};
+
+
+/*
+ * Spitz Keyboard Device
+ */
+static struct platform_device spitzkbd_device = {
+ .name = "spitz-keyboard",
+ .id = -1,
+};
+
+
+/*
+ * Spitz Touch Screen Device
+ */
+static struct resource spitzts_resources[] = {
+ [0] = {
+ .start = SPITZ_IRQ_GPIO_TP_INT,
+ .end = SPITZ_IRQ_GPIO_TP_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct corgits_machinfo spitz_ts_machinfo = {
+ .get_hsync_len = spitz_get_hsync_len,
+ .put_hsync = spitz_put_hsync,
+ .wait_hsync = spitz_wait_hsync,
+};
+
+static struct platform_device spitzts_device = {
+ .name = "corgi-ts",
+ .dev = {
+ .parent = &spitzssp_device.dev,
+ .platform_data = &spitz_ts_machinfo,
+ },
+ .id = -1,
+ .num_resources = ARRAY_SIZE(spitzts_resources),
+ .resource = spitzts_resources,
+};
+
+
+/*
+ * MMC/SD Device
+ *
+ * The card detect interrupt isn't debounced so we delay it by 250ms
+ * to give the card a chance to fully insert/eject.
+ */
+
+static struct pxamci_platform_data spitz_mci_platform_data;
+
+static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data)
+{
+ int err;
+
+ /* setup GPIO for PXA27x MMC controller */
+ pxa_gpio_mode(GPIO32_MMCCLK_MD);
+ pxa_gpio_mode(GPIO112_MMCCMD_MD);
+ pxa_gpio_mode(GPIO92_MMCDAT0_MD);
+ pxa_gpio_mode(GPIO109_MMCDAT1_MD);
+ pxa_gpio_mode(GPIO110_MMCDAT2_MD);
+ pxa_gpio_mode(GPIO111_MMCDAT3_MD);
+ pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN);
+ pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN);
+
+ spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
+
+ err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, SA_INTERRUPT,
+ "MMC card detect", data);
+ if (err) {
+ printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+ return -1;
+ }
+
+ set_irq_type(SPITZ_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
+
+ return 0;
+}
+
+/* Power control is shared with one of the CF slots so we have a mess */
+static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
+{
+ struct pxamci_platform_data* p_d = dev->platform_data;
+
+ unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
+
+ if (( 1 << vdd) & p_d->ocr_mask) {
+ /* printk(KERN_DEBUG "%s: on\n", __FUNCTION__); */
+ set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
+ mdelay(2);
+ write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | 0x04);
+ } else {
+ /* printk(KERN_DEBUG "%s: off\n", __FUNCTION__); */
+ write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr & ~0x04);
+
+ if (!(cpr | 0x02)) {
+ mdelay(1);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
+ }
+ }
+}
+
+static int spitz_mci_get_ro(struct device *dev)
+{
+ return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP);
+}
+
+static void spitz_mci_exit(struct device *dev, void *data)
+{
+ free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
+}
+
+static struct pxamci_platform_data spitz_mci_platform_data = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .init = spitz_mci_init,
+ .get_ro = spitz_mci_get_ro,
+ .setpower = spitz_mci_setpower,
+ .exit = spitz_mci_exit,
+};
+
+
+/*
+ * Spitz PXA Framebuffer
+ */
+static struct pxafb_mach_info spitz_pxafb_info __initdata = {
+ .pixclock = 19231,
+ .xres = 480,
+ .yres = 640,
+ .bpp = 16,
+ .hsync_len = 40,
+ .left_margin = 46,
+ .right_margin = 125,
+ .vsync_len = 3,
+ .upper_margin = 1,
+ .lower_margin = 0,
+ .sync = 0,
+ .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
+ .lccr3 = LCCR3_PixRsEdg | LCCR3_OutEnH,
+ .pxafb_lcd_power = spitz_lcd_power,
+};
+
+
+static struct platform_device *devices[] __initdata = {
+ &spitzscoop_device,
+ &spitzssp_device,
+ &spitzkbd_device,
+ &spitzts_device,
+ &spitzbl_device,
+ &spitzbattery_device,
+};
+
+static void __init common_init(void)
+{
+ PMCR = 0x00;
+
+ /* setup sleep mode values */
+ PWER = 0x00000002;
+ PFER = 0x00000000;
+ PRER = 0x00000002;
+ PGSR0 = 0x0158C000;
+ PGSR1 = 0x00FF0080;
+ PGSR2 = 0x0001C004;
+
+ /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
+ PCFR |= PCFR_OPDE;
+
+ corgi_ssp_set_machinfo(&spitz_ssp_machinfo);
+
+ pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN);
+
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+ pxa_set_mci_info(&spitz_mci_platform_data);
+ pxafb_device.dev.parent = &spitzssp_device.dev;
+ set_pxa_fb_info(&spitz_pxafb_info);
+}
+
+static void __init spitz_init(void)
+{
+ scoop_num = 2;
+ scoop_devs = &spitz_pcmcia_scoop[0];
+ spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
+
+ common_init();
+
+ platform_device_register(&spitzscoop2_device);
+}
+
+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_ram = 0xa0000000,
+ .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_ram = 0xa0000000,
+ .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
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