[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>

arch/arm/mach-pxa/Kconfig

@@ -211,6 +211,11 @@ config MACH_ARMCORE
 	select PXA27x
 	select IWMMXT
 
+config MACH_CM_X300
+	bool "CompuLab CM-X300 modules"
+	select PXA3xx
+	select CPU_PXA300
+
 config MACH_MAGICIAN
 	bool "Enable HTC Magician Support"
 	select PXA27x

arch/arm/mach-pxa/Makefile

@@ -54,6 +54,7 @@ obj-$(CONFIG_MACH_TAVOREVB)	+= tavorevb.o
 obj-$(CONFIG_MACH_SAAR)		+= saar.o
 
 obj-$(CONFIG_MACH_ARMCORE)      += cm-x270.o
+obj-$(CONFIG_MACH_CM_X300)      += cm-x300.o
 obj-$(CONFIG_PXA_EZX)           += ezx.o
 
 # Support for blinky lights

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