--- /dev/null
+/*
+ * linux/arch/arm/mach-pxa/trizeps4.c
+ *
+ * Support for the Keith und Koep Trizeps4 Module Platform.
+ *
+ * Author: Jürgen Schindele
+ * Created: 20 02, 2006
+ * Copyright: Jürgen Schindele
+ *
+ * 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/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/export.h>
+#include <linux/sched.h>
+#include <linux/bitops.h>
+#include <linux/fb.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/dm9000.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+#include <linux/i2c/pxa-i2c.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <asm/sizes.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/flash.h>
+
+#include <mach/pxa27x.h>
+#include <mach/trizeps4.h>
+#include <mach/audio.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/irda-pxaficp.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+#include <mach/smemc.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/* comment out the following line if you want to use the
+ * Standard UART from PXA for serial / irda transmission
+ * and acivate it if you have status leds connected */
+#define STATUS_LEDS_ON_STUART_PINS 1
+
+/*****************************************************************************
+ * MultiFunctionPins of CPU
+ *****************************************************************************/
+static unsigned long trizeps4_pin_config[] __initdata = {
+ /* Chip Selects */
+ GPIO15_nCS_1, /* DiskOnChip CS */
+ GPIO93_GPIO, /* TRIZEPS4_DOC_IRQ */
+ GPIO94_GPIO, /* DOC lock */
+
+ GPIO78_nCS_2, /* DM9000 CS */
+ GPIO101_GPIO, /* TRIZEPS4_ETH_IRQ */
+
+ GPIO79_nCS_3, /* Logic CS */
+ GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* Logic irq */
+
+ /* AC97 */
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+
+ /* LCD - 16bpp Active TFT */
+ GPIOxx_LCD_TFT_16BPP,
+
+ /* UART */
+ GPIO9_FFUART_CTS,
+ GPIO10_FFUART_DCD,
+ GPIO16_FFUART_TXD,
+ GPIO33_FFUART_DSR,
+ GPIO38_FFUART_RI,
+ GPIO82_FFUART_DTR,
+ GPIO83_FFUART_RTS,
+ GPIO96_FFUART_RXD,
+
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD,
+ GPIO44_BTUART_CTS,
+ GPIO45_BTUART_RTS,
+#ifdef STATUS_LEDS_ON_STUART_PINS
+ GPIO46_GPIO,
+ GPIO47_GPIO,
+#else
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+#endif
+ /* PCMCIA */
+ GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */
+ GPIO13_GPIO, /* TRIZEPS4_READY_NINT */
+ GPIO48_nPOE,
+ GPIO49_nPWE,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO54_nPCE_2,
+ GPIO55_nPREG,
+ GPIO56_nPWAIT,
+ GPIO57_nIOIS16,
+ GPIO102_nPCE_1,
+ GPIO104_PSKTSEL,
+
+ /* MultiMediaCard */
+ GPIO32_MMC_CLK,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+ GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */
+
+ /* USB OHCI */
+ GPIO88_USBH1_PWR, /* USBHPWR1 */
+ GPIO89_USBH1_PEN, /* USBHPEN1 */
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+};
+
+static unsigned long trizeps4wl_pin_config[] __initdata = {
+ /* SSP 2 */
+ GPIO14_SSP2_SFRM,
+ GPIO19_SSP2_SCLK,
+ GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */
+ GPIO86_SSP2_RXD,
+ GPIO87_SSP2_TXD,
+};
+
+/****************************************************************************
+ * ONBOARD FLASH
+ ****************************************************************************/
+static struct mtd_partition trizeps4_partitions[] = {
+ {
+ .name = "Bootloader",
+ .offset = 0x00000000,
+ .size = 0x00040000,
+ .mask_flags = MTD_WRITEABLE /* force read-only */
+ }, {
+ .name = "Backup",
+ .offset = 0x00040000,
+ .size = 0x00040000,
+ }, {
+ .name = "Image",
+ .offset = 0x00080000,
+ .size = 0x01080000,
+ }, {
+ .name = "IPSM",
+ .offset = 0x01100000,
+ .size = 0x00e00000,
+ }, {
+ .name = "Registry",
+ .offset = 0x01f00000,
+ .size = MTDPART_SIZ_FULL,
+ }
+};
+
+static struct physmap_flash_data trizeps4_flash_data[] = {
+ {
+ .width = 4, /* bankwidth in bytes */
+ .parts = trizeps4_partitions,
+ .nr_parts = ARRAY_SIZE(trizeps4_partitions)
+ }
+};
+
+static struct resource flash_resource = {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = trizeps4_flash_data,
+ },
+ .resource = &flash_resource,
+ .num_resources = 1,
+};
+
+/****************************************************************************
+ * DAVICOM DM9000 Ethernet
+ ****************************************************************************/
+static struct resource dm9000_resources[] = {
+ [0] = {
+ .start = TRIZEPS4_ETH_PHYS+0x300,
+ .end = TRIZEPS4_ETH_PHYS+0x400-1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = TRIZEPS4_ETH_PHYS+0x8300,
+ .end = TRIZEPS4_ETH_PHYS+0x8400-1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = TRIZEPS4_ETH_IRQ,
+ .end = TRIZEPS4_ETH_IRQ,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+ },
+};
+
+static struct dm9000_plat_data tri_dm9000_platdata = {
+ .flags = DM9000_PLATF_32BITONLY,
+};
+
+static struct platform_device dm9000_device = {
+ .name = "dm9000",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(dm9000_resources),
+ .resource = dm9000_resources,
+ .dev = {
+ .platform_data = &tri_dm9000_platdata,
+ }
+};
+
+/****************************************************************************
+ * LED's on GPIO pins of PXA
+ ****************************************************************************/
+static struct gpio_led trizeps4_led[] = {
+#ifdef STATUS_LEDS_ON_STUART_PINS
+ {
+ .name = "led0:orange:heartbeat", /* */
+ .default_trigger = "heartbeat",
+ .gpio = GPIO_HEARTBEAT_LED,
+ .active_low = 1,
+ },
+ {
+ .name = "led1:yellow:cpubusy", /* */
+ .default_trigger = "cpu-busy",
+ .gpio = GPIO_SYS_BUSY_LED,
+ .active_low = 1,
+ },
+#endif
+};
+
+static struct gpio_led_platform_data trizeps4_led_data = {
+ .leds = trizeps4_led,
+ .num_leds = ARRAY_SIZE(trizeps4_led),
+};
+
+static struct platform_device leds_devices = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &trizeps4_led_data,
+ },
+};
+
+static struct platform_device *trizeps4_devices[] __initdata = {
+ &flash_device,
+ &dm9000_device,
+ &leds_devices,
+};
+
+static struct platform_device *trizeps4wl_devices[] __initdata = {
+ &flash_device,
+ &leds_devices,
+};
+
+static short trizeps_conxs_bcr;
+
+/* PCCARD power switching supports only 3,3V */
+void board_pcmcia_power(int power)
+{
+ if (power) {
+ /* switch power on, put in reset and enable buffers */
+ trizeps_conxs_bcr |= power;
+ trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
+ trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN;
+ BCR_writew(trizeps_conxs_bcr);
+ /* wait a little */
+ udelay(2000);
+ /* take reset away */
+ trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET;
+ BCR_writew(trizeps_conxs_bcr);
+ udelay(2000);
+ } else {
+ /* put in reset */
+ trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
+ BCR_writew(trizeps_conxs_bcr);
+ udelay(1000);
+ /* switch power off */
+ trizeps_conxs_bcr &= ~0xf;
+ BCR_writew(trizeps_conxs_bcr);
+ }
+ pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff",
+ trizeps_conxs_bcr);
+}
+EXPORT_SYMBOL(board_pcmcia_power);
+
+/* backlight power switching for LCD panel */
+static void board_backlight_power(int on)
+{
+ if (on)
+ trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
+ else
+ trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
+
+ pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff",
+ trizeps_conxs_bcr);
+ BCR_writew(trizeps_conxs_bcr);
+}
+
+/* a I2C based RTC is known on CONXS board */
+static struct i2c_board_info trizeps4_i2c_devices[] __initdata = {
+ { I2C_BOARD_INFO("rtc-pcf8593", 0x51) }
+};
+
+/****************************************************************************
+ * MMC card slot external to module
+ ****************************************************************************/
+static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int,
+ void *data)
+{
+ int err;
+
+ err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
+ IRQF_TRIGGER_RISING, "MMC card detect", data);
+ if (err) {
+ printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
+ "MMC card detect IRQ\n");
+ return -1;
+ }
+ return 0;
+}
+
+static void trizeps4_mci_exit(struct device *dev, void *data)
+{
+ free_irq(TRIZEPS4_MMC_IRQ, data);
+}
+
+static struct pxamci_platform_data trizeps4_mci_platform_data = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .detect_delay_ms= 10,
+ .init = trizeps4_mci_init,
+ .exit = trizeps4_mci_exit,
+ .get_ro = NULL, /* write-protection not supported */
+ .setpower = NULL, /* power-switching not supported */
+ .gpio_card_detect = -1,
+ .gpio_card_ro = -1,
+ .gpio_power = -1,
+};
+
+/****************************************************************************
+ * IRDA mode switching on stuart
+ ****************************************************************************/
+#ifndef STATUS_LEDS_ON_STUART_PINS
+static short trizeps_conxs_ircr;
+
+static int trizeps4_irda_startup(struct device *dev)
+{
+ trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
+ IRCR_writew(trizeps_conxs_ircr);
+ return 0;
+}
+
+static void trizeps4_irda_shutdown(struct device *dev)
+{
+ trizeps_conxs_ircr |= ConXS_IRCR_SD;
+ IRCR_writew(trizeps_conxs_ircr);
+}
+
+static void trizeps4_irda_transceiver_mode(struct device *dev, int mode)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ /* Switch mode */
+ if (mode & IR_SIRMODE)
+ trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; /* Slow mode */
+ else if (mode & IR_FIRMODE)
+ trizeps_conxs_ircr |= ConXS_IRCR_MODE; /* Fast mode */
+
+ /* Switch power */
+ if (mode & IR_OFF)
+ trizeps_conxs_ircr |= ConXS_IRCR_SD;
+ else
+ trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
+
+ IRCR_writew(trizeps_conxs_ircr);
+ local_irq_restore(flags);
+
+ pxa2xx_transceiver_mode(dev, mode);
+}
+
+static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
+ .gpio_pwdown = -1,
+ .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
+ .transceiver_mode = trizeps4_irda_transceiver_mode,
+ .startup = trizeps4_irda_startup,
+ .shutdown = trizeps4_irda_shutdown,
+};
+#endif
+
+/****************************************************************************
+ * OHCI USB port
+ ****************************************************************************/
+static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
+ .port_mode = PMM_PERPORT_MODE,
+ .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
+};
+
+static struct map_desc trizeps4_io_desc[] __initdata = {
+ { /* ConXS CFSR */
+ .virtual = TRIZEPS4_CFSR_VIRT,
+ .pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
+ .length = 0x00001000,
+ .type = MT_DEVICE
+ },
+ { /* ConXS BCR */
+ .virtual = TRIZEPS4_BOCR_VIRT,
+ .pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
+ .length = 0x00001000,
+ .type = MT_DEVICE
+ },
+ { /* ConXS IRCR */
+ .virtual = TRIZEPS4_IRCR_VIRT,
+ .pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
+ .length = 0x00001000,
+ .type = MT_DEVICE
+ },
+ { /* ConXS DCR */
+ .virtual = TRIZEPS4_DICR_VIRT,
+ .pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
+ .length = 0x00001000,
+ .type = MT_DEVICE
+ },
+ { /* ConXS UPSR */
+ .virtual = TRIZEPS4_UPSR_VIRT,
+ .pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
+ .length = 0x00001000,
+ .type = MT_DEVICE
+ }
+};
+
+static struct pxafb_mode_info sharp_lcd_mode = {
+ .pixclock = 78000,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 8,
+ .hsync_len = 4,
+ .left_margin = 4,
+ .right_margin = 4,
+ .vsync_len = 2,
+ .upper_margin = 0,
+ .lower_margin = 0,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info sharp_lcd = {
+ .modes = &sharp_lcd_mode,
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL,
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+ .pxafb_backlight_power = board_backlight_power,
+};
+
+static struct pxafb_mode_info toshiba_lcd_mode = {
+ .pixclock = 39720,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 8,
+ .hsync_len = 63,
+ .left_margin = 12,
+ .right_margin = 12,
+ .vsync_len = 4,
+ .upper_margin = 32,
+ .lower_margin = 10,
+ .sync = 0,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info toshiba_lcd = {
+ .modes = &toshiba_lcd_mode,
+ .num_modes = 1,
+ .lcd_conn = (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL),
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+ .pxafb_backlight_power = board_backlight_power,
+};
+
+static void __init trizeps4_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config));
+ if (machine_is_trizeps4wl()) {
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config));
+ platform_add_devices(trizeps4wl_devices,
+ ARRAY_SIZE(trizeps4wl_devices));
+ } else {
+ platform_add_devices(trizeps4_devices,
+ ARRAY_SIZE(trizeps4_devices));
+ }
+
+ pxa_set_ffuart_info(NULL);
+ pxa_set_btuart_info(NULL);
+ pxa_set_stuart_info(NULL);
+
+ if (0) /* dont know how to determine LCD */
+ pxa_set_fb_info(NULL, &sharp_lcd);
+ else
+ pxa_set_fb_info(NULL, &toshiba_lcd);
+
+ pxa_set_mci_info(&trizeps4_mci_platform_data);
+#ifndef STATUS_LEDS_ON_STUART_PINS
+ pxa_set_ficp_info(&trizeps4_ficp_platform_data);
+#endif
+ pxa_set_ohci_info(&trizeps4_ohci_platform_data);
+ pxa_set_ac97_info(NULL);
+ pxa_set_i2c_info(NULL);
+ i2c_register_board_info(0, trizeps4_i2c_devices,
+ ARRAY_SIZE(trizeps4_i2c_devices));
+
+ /* this is the reset value */
+ trizeps_conxs_bcr = 0x00A0;
+
+ BCR_writew(trizeps_conxs_bcr);
+ board_backlight_power(1);
+}
+
+static void __init trizeps4_map_io(void)
+{
+ pxa27x_map_io();
+ iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
+
+ if ((__raw_readl(MSC0) & 0x8) && (__raw_readl(BOOT_DEF) & 0x1)) {
+ /* if flash is 16 bit wide its a Trizeps4 WL */
+ __machine_arch_type = MACH_TYPE_TRIZEPS4WL;
+ trizeps4_flash_data[0].width = 2;
+ } else {
+ /* if flash is 32 bit wide its a Trizeps4 */
+ __machine_arch_type = MACH_TYPE_TRIZEPS4;
+ trizeps4_flash_data[0].width = 4;
+ }
+}
+
+MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
+ /* MAINTAINER("Jürgen Schindele") */
+ .atag_offset = 0x100,
+ .init_machine = trizeps4_init,
+ .map_io = trizeps4_map_io,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa27x_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
+ .restart = pxa_restart,
+MACHINE_END
+
+MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module")
+ /* MAINTAINER("Jürgen Schindele") */
+ .atag_offset = 0x100,
+ .init_machine = trizeps4_init,
+ .map_io = trizeps4_map_io,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa27x_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
+ .restart = pxa_restart,
+MACHINE_END
Code Review / kvmfornfv.git / blobdiff