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-rw-r--r--arch/arm/mach-pxa/cm-x300.c465
1 files changed, 465 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
new file mode 100644
index 0000000..deb46cd
--- /dev/null
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -0,0 +1,465 @@
+/*
+ * linux/arch/arm/mach-pxa/cm-x300.c
+ *
+ * Support for the CompuLab CM-X300 modules
+ *
+ * Copyright (C) 2008 CompuLab Ltd.
+ *
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * 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/module.h>
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <linux/gpio.h>
+#include <linux/dm9000.h>
+#include <linux/leds.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c/pca953x.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/mfp-pxa300.h>
+
+#include <mach/hardware.h>
+#include <mach/gpio.h>
+#include <mach/pxafb.h>
+#include <mach/mmc.h>
+#include <mach/ohci.h>
+#include <mach/i2c.h>
+#include <mach/pxa3xx_nand.h>
+
+#include <asm/mach/map.h>
+
+#include "generic.h"
+
+#define CM_X300_ETH_PHYS 0x08000010
+
+#define GPIO82_MMC2_IRQ (82)
+#define GPIO85_MMC2_WP (85)
+
+#define CM_X300_MMC2_IRQ IRQ_GPIO(GPIO82_MMC2_IRQ)
+
+static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = {
+ /* LCD */
+ GPIO54_LCD_LDD_0,
+ GPIO55_LCD_LDD_1,
+ GPIO56_LCD_LDD_2,
+ GPIO57_LCD_LDD_3,
+ GPIO58_LCD_LDD_4,
+ GPIO59_LCD_LDD_5,
+ GPIO60_LCD_LDD_6,
+ GPIO61_LCD_LDD_7,
+ GPIO62_LCD_LDD_8,
+ GPIO63_LCD_LDD_9,
+ GPIO64_LCD_LDD_10,
+ GPIO65_LCD_LDD_11,
+ GPIO66_LCD_LDD_12,
+ GPIO67_LCD_LDD_13,
+ GPIO68_LCD_LDD_14,
+ GPIO69_LCD_LDD_15,
+ GPIO72_LCD_FCLK,
+ GPIO73_LCD_LCLK,
+ GPIO74_LCD_PCLK,
+ GPIO75_LCD_BIAS,
+
+ /* BTUART */
+ GPIO111_UART2_RTS,
+ GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
+ GPIO113_UART2_TXD,
+ GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
+
+ /* STUART */
+ GPIO109_UART3_TXD,
+ GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
+
+ /* AC97 */
+ GPIO23_AC97_nACRESET,
+ GPIO24_AC97_SYSCLK,
+ GPIO29_AC97_BITCLK,
+ GPIO25_AC97_SDATA_IN_0,
+ GPIO27_AC97_SDATA_OUT,
+ GPIO28_AC97_SYNC,
+
+ /* Keypad */
+ GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
+ GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
+ GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
+ GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
+ GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
+ GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
+ GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
+ GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
+ GPIO121_KP_MKOUT_0,
+ GPIO122_KP_MKOUT_1,
+ GPIO123_KP_MKOUT_2,
+ GPIO124_KP_MKOUT_3,
+ GPIO125_KP_MKOUT_4,
+ GPIO4_2_KP_MKOUT_5,
+
+ /* MMC1 */
+ GPIO3_MMC1_DAT0,
+ GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
+ GPIO5_MMC1_DAT2,
+ GPIO6_MMC1_DAT3,
+ GPIO7_MMC1_CLK,
+ GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
+
+ /* MMC2 */
+ GPIO9_MMC2_DAT0,
+ GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
+ GPIO11_MMC2_DAT2,
+ GPIO12_MMC2_DAT3,
+ GPIO13_MMC2_CLK,
+ GPIO14_MMC2_CMD,
+
+ /* FFUART */
+ GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
+ GPIO31_UART1_TXD,
+ GPIO32_UART1_CTS,
+ GPIO37_UART1_RTS,
+ GPIO33_UART1_DCD,
+ GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
+ GPIO35_UART1_RI,
+ GPIO36_UART1_DTR,
+
+ /* GPIOs */
+ GPIO79_GPIO, /* LED */
+ GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
+ GPIO85_GPIO, /* MMC WP */
+ GPIO99_GPIO, /* Ethernet IRQ */
+};
+
+#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
+static struct resource dm9000_resources[] = {
+ [0] = {
+ .start = CM_X300_ETH_PHYS,
+ .end = CM_X300_ETH_PHYS + 0x3,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = CM_X300_ETH_PHYS + 0x4,
+ .end = CM_X300_ETH_PHYS + 0x4 + 500,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
+ .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+ }
+};
+
+static struct dm9000_plat_data cm_x300_dm9000_platdata = {
+ .flags = DM9000_PLATF_16BITONLY,
+};
+
+static struct platform_device dm9000_device = {
+ .name = "dm9000",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(dm9000_resources),
+ .resource = dm9000_resources,
+ .dev = {
+ .platform_data = &cm_x300_dm9000_platdata,
+ }
+
+};
+
+static void __init cm_x300_init_dm9000(void)
+{
+ platform_device_register(&dm9000_device);
+}
+#else
+static inline void cm_x300_init_dm9000(void) {}
+#endif
+
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static struct pxafb_mode_info cm_x300_lcd_modes[] = {
+ [0] = {
+ .pixclock = 38000,
+ .bpp = 16,
+ .xres = 480,
+ .yres = 640,
+ .hsync_len = 8,
+ .vsync_len = 2,
+ .left_margin = 8,
+ .upper_margin = 0,
+ .right_margin = 24,
+ .lower_margin = 4,
+ .cmap_greyscale = 0,
+ },
+ [1] = {
+ .pixclock = 153800,
+ .bpp = 16,
+ .xres = 240,
+ .yres = 320,
+ .hsync_len = 8,
+ .vsync_len = 2,
+ .left_margin = 8,
+ .upper_margin = 2,
+ .right_margin = 88,
+ .lower_margin = 2,
+ .cmap_greyscale = 0,
+ },
+};
+
+static struct pxafb_mach_info cm_x300_lcd = {
+ .modes = cm_x300_lcd_modes,
+ .num_modes = 2,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+
+static void __init cm_x300_init_lcd(void)
+{
+ set_pxa_fb_info(&cm_x300_lcd);
+}
+#else
+static inline void cm_x300_init_lcd(void) {}
+#endif
+
+#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
+static struct mtd_partition cm_x300_nand_partitions[] = {
+ [0] = {
+ .name = "OBM",
+ .offset = 0,
+ .size = SZ_256K,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ [1] = {
+ .name = "U-Boot",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_256K,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ [2] = {
+ .name = "Environment",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_256K,
+ },
+ [3] = {
+ .name = "reserved",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_256K + SZ_1M,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ [4] = {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_4M,
+ },
+ [5] = {
+ .name = "fs",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
+ .enable_arbiter = 1,
+ .parts = cm_x300_nand_partitions,
+ .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
+};
+
+static void __init cm_x300_init_nand(void)
+{
+ pxa3xx_set_nand_info(&cm_x300_nand_info);
+}
+#else
+static inline void cm_x300_init_nand(void) {}
+#endif
+
+#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
+/* The first MMC slot of CM-X300 is hardwired to Libertas card and has
+ no detection/ro pins */
+static int cm_x300_mci_init(struct device *dev,
+ irq_handler_t cm_x300_detect_int,
+ void *data)
+{
+ return 0;
+}
+
+static void cm_x300_mci_exit(struct device *dev, void *data)
+{
+}
+
+static struct pxamci_platform_data cm_x300_mci_platform_data = {
+ .detect_delay = 20,
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .init = cm_x300_mci_init,
+ .exit = cm_x300_mci_exit,
+};
+
+static int cm_x300_mci2_ro(struct device *dev)
+{
+ return gpio_get_value(GPIO85_MMC2_WP);
+}
+
+static int cm_x300_mci2_init(struct device *dev,
+ irq_handler_t cm_x300_detect_int,
+ void *data)
+{
+ int err;
+
+ /*
+ * setup GPIO for CM-X300 MMC controller
+ */
+ err = gpio_request(GPIO82_MMC2_IRQ, "mmc card detect");
+ if (err)
+ goto err_request_cd;
+ gpio_direction_input(GPIO82_MMC2_IRQ);
+
+ err = gpio_request(GPIO85_MMC2_WP, "mmc write protect");
+ if (err)
+ goto err_request_wp;
+ gpio_direction_input(GPIO85_MMC2_WP);
+
+ err = request_irq(CM_X300_MMC2_IRQ, cm_x300_detect_int,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "MMC card detect", data);
+ if (err) {
+ printk(KERN_ERR "%s: MMC/SD/SDIO: "
+ "can't request card detect IRQ\n", __func__);
+ goto err_request_irq;
+ }
+
+ return 0;
+
+err_request_irq:
+ gpio_free(GPIO85_MMC2_WP);
+err_request_wp:
+ gpio_free(GPIO82_MMC2_IRQ);
+err_request_cd:
+ return err;
+}
+
+static void cm_x300_mci2_exit(struct device *dev, void *data)
+{
+ free_irq(CM_X300_MMC2_IRQ, data);
+ gpio_free(GPIO82_MMC2_IRQ);
+ gpio_free(GPIO85_MMC2_WP);
+}
+
+static struct pxamci_platform_data cm_x300_mci2_platform_data = {
+ .detect_delay = 20,
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .init = cm_x300_mci2_init,
+ .exit = cm_x300_mci2_exit,
+ .get_ro = cm_x300_mci2_ro,
+};
+
+static void __init cm_x300_init_mmc(void)
+{
+ pxa_set_mci_info(&cm_x300_mci_platform_data);
+ pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
+}
+#else
+static inline void cm_x300_init_mmc(void) {}
+#endif
+
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
+ .port_mode = PMM_PERPORT_MODE,
+ .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
+};
+
+static void __init cm_x300_init_ohci(void)
+{
+ pxa_set_ohci_info(&cm_x300_ohci_platform_data);
+}
+#else
+static inline void cm_x300_init_ohci(void) {}
+#endif
+
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+static struct gpio_led cm_x300_leds[] = {
+ [0] = {
+ .name = "cm-x300:green",
+ .default_trigger = "heartbeat",
+ .gpio = 79,
+ .active_low = 1,
+ },
+};
+
+static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
+ .num_leds = ARRAY_SIZE(cm_x300_leds),
+ .leds = cm_x300_leds,
+};
+
+static struct platform_device cm_x300_led_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &cm_x300_gpio_led_pdata,
+ },
+};
+
+static void __init cm_x300_init_leds(void)
+{
+ platform_device_register(&cm_x300_led_device);
+}
+#else
+static inline void cm_x300_init_leds(void) {}
+#endif
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+/* PCA9555 */
+static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
+ .gpio_base = 128,
+};
+
+static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
+ .gpio_base = 144,
+};
+
+static struct i2c_board_info cm_x300_gpio_ext_info[] = {
+ [0] = {
+ I2C_BOARD_INFO("pca9555", 0x24),
+ .platform_data = &cm_x300_gpio_ext_pdata_0,
+ },
+ [1] = {
+ I2C_BOARD_INFO("pca9555", 0x25),
+ .platform_data = &cm_x300_gpio_ext_pdata_1,
+ },
+};
+
+static void __init cm_x300_init_i2c(void)
+{
+ pxa_set_i2c_info(NULL);
+ i2c_register_board_info(0, cm_x300_gpio_ext_info,
+ ARRAY_SIZE(cm_x300_gpio_ext_info));
+}
+#else
+static inline void cm_x300_init_i2c(void) {}
+#endif
+
+static void __init cm_x300_init(void)
+{
+ /* board-processor specific GPIO initialization */
+ pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
+
+ cm_x300_init_dm9000();
+ cm_x300_init_lcd();
+ cm_x300_init_ohci();
+ cm_x300_init_mmc();
+ cm_x300_init_nand();
+ cm_x300_init_leds();
+ cm_x300_init_i2c();
+}
+
+MACHINE_START(CM_X300, "CM-X300 module")
+ .phys_io = 0x40000000,
+ .boot_params = 0xa0000100,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .map_io = pxa_map_io,
+ .init_irq = pxa3xx_init_irq,
+ .timer = &pxa_timer,
+ .init_machine = cm_x300_init,
+MACHINE_END
generated by cgit v1.1 at 2024-12-28 09:27:12 +0000