[ARM] 5215/2: Add support for CM-X300 board

This patch adds core support for CM-X300 board based on PXA300 processor

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 473 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 000000000000..7bc5679b41ba
--- /dev/null
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -0,0 +1,473 @@
+/*
+ * 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 int cm_x300_ohci_init(struct device *dev)
+{
+        /* Set the Power Control Polarity Low */
+        UHCHR = (UHCHR | UHCHR_PCPL) &
+                ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
+
+        return 0;
+}
+
+static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
+        .port_mode      = PMM_PERPORT_MODE,
+        .init           = cm_x300_ohci_init,
+};
+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