This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / arch / arm / mach-pxa / spitz.c
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
new file mode 100644 (file)
index 0000000..44bcb80
--- /dev/null
@@ -0,0 +1,545 @@
+/*
+ * 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/platform_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/irda.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/ohci.h>
+#include <asm/arch/udc.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,
+};
+
+#define SPITZ_PWR_SD 0x01
+#define SPITZ_PWR_CF 0x02
+
+/* Power control is shared with between one of the CF slots and SD */
+static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
+{
+       unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
+
+       if (new_cpr & 0x0007) {
+               set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
+               if (!(cpr & 0x0002) && !(cpr & 0x0004))
+                       mdelay(5);
+               if (device == SPITZ_PWR_CF)
+                       cpr |= 0x0002;
+               if (device == SPITZ_PWR_SD)
+                       cpr |= 0x0004;
+               write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
+       } else {
+               if (device == SPITZ_PWR_CF)
+                       cpr &= ~0x0002;
+               if (device == SPITZ_PWR_SD)
+                       cpr &= ~0x0004;
+               if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
+                       write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
+                       mdelay(1);
+                       reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
+               } else {
+                       write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
+               }
+       }
+}
+
+static void spitz_pcmcia_init(void)
+{
+       /* Setup default state of GPIO outputs
+          before we enable them as outputs. */
+       GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
+               GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
+               GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO54_nPCE_2);
+       GPSR(GPIO85_nPCE_1) = GPIO_bit(GPIO85_nPCE_1);
+
+       pxa_gpio_mode(GPIO48_nPOE_MD);
+       pxa_gpio_mode(GPIO49_nPWE_MD);
+       pxa_gpio_mode(GPIO50_nPIOR_MD);
+       pxa_gpio_mode(GPIO51_nPIOW_MD);
+       pxa_gpio_mode(GPIO55_nPREG_MD);
+       pxa_gpio_mode(GPIO56_nPWAIT_MD);
+       pxa_gpio_mode(GPIO57_nIOIS16_MD);
+       pxa_gpio_mode(GPIO85_nPCE_1_MD);
+       pxa_gpio_mode(GPIO54_nPCE_2_MD);
+       pxa_gpio_mode(GPIO104_pSKTSEL_MD);
+}
+
+static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
+{
+       /* Only need to override behaviour for slot 0 */
+       if (nr == 0)
+               spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
+       else
+               write_scoop_reg(scoop, SCOOP_CPR, cpr);
+}
+
+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,
+},
+};
+
+static struct scoop_pcmcia_config spitz_pcmcia_config = {
+       .devs         = &spitz_pcmcia_scoop[0],
+       .num_devs     = 2,
+       .pcmcia_init  = spitz_pcmcia_init,
+       .power_ctrl   = spitz_pcmcia_pwr,
+};
+
+EXPORT_SYMBOL(spitzscoop_device);
+EXPORT_SYMBOL(spitzscoop2_device);
+
+
+/*
+ * 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 = {
+       .default_intensity = 0x1f,
+       .limit_mask = 0x0b,
+       .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 LEDs
+ */
+static struct platform_device spitzled_device = {
+       .name           = "spitz-led",
+       .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 | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                         "MMC card detect", data);
+       if (err) {
+               printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+               return -1;
+       }
+
+       return 0;
+}
+
+static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
+{
+       struct pxamci_platform_data* p_d = dev->platform_data;
+
+       if (( 1 << vdd) & p_d->ocr_mask)
+               spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
+       else
+               spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
+}
+
+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,
+};
+
+
+/*
+ * USB Host (OHCI)
+ */
+static int spitz_ohci_init(struct device *dev)
+{
+       /* Only Port 2 is connected */
+       pxa_gpio_mode(SPITZ_GPIO_USB_CONNECT | GPIO_IN);
+       pxa_gpio_mode(SPITZ_GPIO_USB_HOST | GPIO_OUT);
+       pxa_gpio_mode(SPITZ_GPIO_USB_DEVICE | GPIO_IN);
+
+       /* Setup USB Port 2 Output Control Register */
+       UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
+
+       GPSR(SPITZ_GPIO_USB_HOST) = GPIO_bit(SPITZ_GPIO_USB_HOST);
+
+       UHCHR = (UHCHR) &
+               ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
+
+       UHCRHDA |= UHCRHDA_NOCP;
+
+       return 0;
+}
+
+static struct pxaohci_platform_data spitz_ohci_platform_data = {
+       .port_mode      = PMM_NPS_MODE,
+       .init           = spitz_ohci_init,
+       .power_budget   = 150,
+};
+
+
+/*
+ * Irda
+ */
+static void spitz_irda_transceiver_mode(struct device *dev, int mode)
+{
+       if (mode & IR_OFF)
+               set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
+       else
+               reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
+}
+
+#ifdef CONFIG_MACH_AKITA
+static void akita_irda_transceiver_mode(struct device *dev, int mode)
+{
+       if (mode & IR_OFF)
+               akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
+       else
+               akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
+}
+#endif
+
+static struct pxaficp_platform_data spitz_ficp_platform_data = {
+       .transceiver_cap  = IR_SIRMODE | IR_OFF,
+       .transceiver_mode = spitz_irda_transceiver_mode,
+};
+
+
+/*
+ * 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,
+       &spitzled_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);
+       pxa_set_ohci_info(&spitz_ohci_platform_data);
+       pxa_set_ficp_info(&spitz_ficp_platform_data);
+       set_pxa_fb_parent(&spitzssp_device.dev);
+       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