init android origin source code

1 files changed, 407 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/arm/mach-omap2/board-am3517evm.c b/ANDROID_3.4.5/arch/arm/mach-omap2/board-am3517evm.c
new file mode 100644
index 00000000..3645285a
--- /dev/null
+++ b/ANDROID_3.4.5/arch/arm/mach-omap2/board-am3517evm.c
@@ -0,0 +1,407 @@
+/*
+ * linux/arch/arm/mach-omap2/board-am3517evm.c
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated
+ * Author: Ranjith Lohithakshan <ranjithl@ti.com>
+ *
+ * Based on mach-omap2/board-omap3evm.c
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as  published by the
+ * Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
+ * whether express or implied; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/i2c/pca953x.h>
+#include <linux/can/platform/ti_hecc.h>
+#include <linux/davinci_emac.h>
+#include <linux/mmc/host.h>
+
+#include <mach/hardware.h>
+#include <mach/am35xx.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <plat/board.h>
+#include "common.h"
+#include <plat/usb.h>
+#include <video/omapdss.h>
+#include <video/omap-panel-generic-dpi.h>
+#include <video/omap-panel-dvi.h>
+
+#include "am35xx-emac.h"
+#include "mux.h"
+#include "control.h"
+#include "hsmmc.h"
+
+#define LCD_PANEL_PWR		176
+#define LCD_PANEL_BKLIGHT_PWR	182
+#define LCD_PANEL_PWM		181
+
+static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("s35390a", 0x30),
+	},
+};
+
+/*
+ * RTC - S35390A
+ */
+#define GPIO_RTCS35390A_IRQ	55
+
+static void __init am3517_evm_rtc_init(void)
+{
+	int r;
+
+	omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
+
+	r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
+	if (r < 0) {
+		printk(KERN_WARNING "failed to request GPIO#%d\n",
+				GPIO_RTCS35390A_IRQ);
+		return;
+	}
+
+	am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
+}
+
+/*
+ * I2C GPIO Expander - TCA6416
+ */
+
+/* Mounted on Base-Board */
+static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES,
+};
+static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("tlv320aic23", 0x1A),
+	},
+	{
+		I2C_BOARD_INFO("tca6416", 0x21),
+		.platform_data = &am3517evm_gpio_expander_info_0,
+	},
+};
+
+/* Mounted on UI Card */
+static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES + 16,
+};
+static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES + 32,
+};
+static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("tca6416", 0x20),
+		.platform_data = &am3517evm_ui_gpio_expander_info_1,
+	},
+	{
+		I2C_BOARD_INFO("tca6416", 0x21),
+		.platform_data = &am3517evm_ui_gpio_expander_info_2,
+	},
+};
+
+static int __init am3517_evm_i2c_init(void)
+{
+	omap_register_i2c_bus(1, 400, NULL, 0);
+	omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo,
+			ARRAY_SIZE(am3517evm_i2c2_boardinfo));
+	omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo,
+			ARRAY_SIZE(am3517evm_i2c3_boardinfo));
+
+	return 0;
+}
+
+static int lcd_enabled;
+static int dvi_enabled;
+
+#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
+		defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
+static struct gpio am3517_evm_dss_gpios[] __initdata = {
+	/* GPIO 182 = LCD Backlight Power */
+	{ LCD_PANEL_BKLIGHT_PWR, GPIOF_OUT_INIT_HIGH, "lcd_backlight_pwr" },
+	/* GPIO 181 = LCD Panel PWM */
+	{ LCD_PANEL_PWM,	 GPIOF_OUT_INIT_HIGH, "lcd bl enable"	  },
+	/* GPIO 176 = LCD Panel Power enable pin */
+	{ LCD_PANEL_PWR,	 GPIOF_OUT_INIT_HIGH, "dvi enable"	  },
+};
+
+static void __init am3517_evm_display_init(void)
+{
+	int r;
+
+	omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP);
+	omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN);
+	omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN);
+
+	r = gpio_request_array(am3517_evm_dss_gpios,
+			       ARRAY_SIZE(am3517_evm_dss_gpios));
+	if (r) {
+		printk(KERN_ERR "failed to get DSS panel control GPIOs\n");
+		return;
+	}
+
+	printk(KERN_INFO "Display initialized successfully\n");
+}
+#else
+static void __init am3517_evm_display_init(void) {}
+#endif
+
+static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+	if (dvi_enabled) {
+		printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
+		return -EINVAL;
+	}
+	gpio_set_value(LCD_PANEL_PWR, 1);
+	lcd_enabled = 1;
+
+	return 0;
+}
+
+static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+	gpio_set_value(LCD_PANEL_PWR, 0);
+	lcd_enabled = 0;
+}
+
+static struct panel_generic_dpi_data lcd_panel = {
+	.name			= "sharp_lq",
+	.platform_enable	= am3517_evm_panel_enable_lcd,
+	.platform_disable	= am3517_evm_panel_disable_lcd,
+};
+
+static struct omap_dss_device am3517_evm_lcd_device = {
+	.type			= OMAP_DISPLAY_TYPE_DPI,
+	.name			= "lcd",
+	.driver_name		= "generic_dpi_panel",
+	.data			= &lcd_panel,
+	.phy.dpi.data_lines 	= 16,
+};
+
+static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev)
+{
+	return 0;
+}
+
+static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev)
+{
+}
+
+static struct omap_dss_device am3517_evm_tv_device = {
+	.type 			= OMAP_DISPLAY_TYPE_VENC,
+	.name 			= "tv",
+	.driver_name		= "venc",
+	.phy.venc.type		= OMAP_DSS_VENC_TYPE_SVIDEO,
+	.platform_enable	= am3517_evm_panel_enable_tv,
+	.platform_disable	= am3517_evm_panel_disable_tv,
+};
+
+static int am3517_evm_panel_enable_dvi(struct omap_dss_device *dssdev)
+{
+	if (lcd_enabled) {
+		printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
+		return -EINVAL;
+	}
+	dvi_enabled = 1;
+
+	return 0;
+}
+
+static void am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev)
+{
+	dvi_enabled = 0;
+}
+
+static struct panel_dvi_platform_data dvi_panel = {
+	.platform_enable	= am3517_evm_panel_enable_dvi,
+	.platform_disable	= am3517_evm_panel_disable_dvi,
+};
+
+static struct omap_dss_device am3517_evm_dvi_device = {
+	.type			= OMAP_DISPLAY_TYPE_DPI,
+	.name			= "dvi",
+	.driver_name		= "dvi",
+	.data			= &dvi_panel,
+	.phy.dpi.data_lines	= 24,
+};
+
+static struct omap_dss_device *am3517_evm_dss_devices[] = {
+	&am3517_evm_lcd_device,
+	&am3517_evm_tv_device,
+	&am3517_evm_dvi_device,
+};
+
+static struct omap_dss_board_info am3517_evm_dss_data = {
+	.num_devices	= ARRAY_SIZE(am3517_evm_dss_devices),
+	.devices	= am3517_evm_dss_devices,
+	.default_device	= &am3517_evm_lcd_device,
+};
+
+/*
+ * Board initialization
+ */
+
+static struct omap_musb_board_data musb_board_data = {
+	.interface_type         = MUSB_INTERFACE_ULPI,
+	.mode                   = MUSB_OTG,
+	.power                  = 500,
+	.set_phy_power		= am35x_musb_phy_power,
+	.clear_irq		= am35x_musb_clear_irq,
+	.set_mode		= am35x_set_mode,
+	.reset			= am35x_musb_reset,
+};
+
+static __init void am3517_evm_musb_init(void)
+{
+	u32 devconf2;
+
+	/*
+	 * Set up USB clock/mode in the DEVCONF2 register.
+	 */
+	devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
+
+	/* USB2.0 PHY reference clock is 13 MHz */
+	devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
+	devconf2 |=  CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
+			| CONF2_DATPOL;
+
+	omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
+
+	usb_musb_init(&musb_board_data);
+}
+
+static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
+	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
+#if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
+		defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
+	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
+#else
+	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
+#endif
+	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
+
+	.phy_reset  = true,
+	.reset_gpio_port[0]  = 57,
+	.reset_gpio_port[1]  = -EINVAL,
+	.reset_gpio_port[2]  = -EINVAL
+};
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux board_mux[] __initdata = {
+	/* USB OTG DRVVBUS offset = 0x212 */
+	OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
+	{ .reg_offset = OMAP_MUX_TERMINATOR },
+};
+#endif
+
+
+static struct resource am3517_hecc_resources[] = {
+	{
+		.start	= AM35XX_IPSS_HECC_BASE,
+		.end	= AM35XX_IPSS_HECC_BASE + 0x3FFF,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= INT_35XX_HECC0_IRQ,
+		.end	= INT_35XX_HECC0_IRQ,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device am3517_hecc_device = {
+	.name		= "ti_hecc",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(am3517_hecc_resources),
+	.resource	= am3517_hecc_resources,
+};
+
+static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
+	.scc_hecc_offset	= AM35XX_HECC_SCC_HECC_OFFSET,
+	.scc_ram_offset		= AM35XX_HECC_SCC_RAM_OFFSET,
+	.hecc_ram_offset	= AM35XX_HECC_RAM_OFFSET,
+	.mbx_offset		= AM35XX_HECC_MBOX_OFFSET,
+	.int_line		= AM35XX_HECC_INT_LINE,
+	.version		= AM35XX_HECC_VERSION,
+};
+
+static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
+{
+	am3517_hecc_device.dev.platform_data = pdata;
+	platform_device_register(&am3517_hecc_device);
+}
+
+static struct omap_board_config_kernel am3517_evm_config[] __initdata = {
+};
+
+static struct omap2_hsmmc_info mmc[] = {
+	{
+		.mmc		= 1,
+		.caps		= MMC_CAP_4_BIT_DATA,
+		.gpio_cd	= 127,
+		.gpio_wp	= 126,
+	},
+	{
+		.mmc		= 2,
+		.caps		= MMC_CAP_4_BIT_DATA,
+		.gpio_cd	= 128,
+		.gpio_wp	= 129,
+	},
+	{}      /* Terminator */
+};
+
+
+static void __init am3517_evm_init(void)
+{
+	omap_board_config = am3517_evm_config;
+	omap_board_config_size = ARRAY_SIZE(am3517_evm_config);
+	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
+
+	am3517_evm_i2c_init();
+	omap_display_init(&am3517_evm_dss_data);
+	omap_serial_init();
+	omap_sdrc_init(NULL, NULL);
+
+	/* Configure GPIO for EHCI port */
+	omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
+	usbhs_init(&usbhs_bdata);
+	am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
+	/* DSS */
+	am3517_evm_display_init();
+
+	/* RTC - S35390A */
+	am3517_evm_rtc_init();
+
+	i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
+				ARRAY_SIZE(am3517evm_i2c1_boardinfo));
+	/*Ethernet*/
+	am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
+
+	/* MUSB */
+	am3517_evm_musb_init();
+
+	/* MMC init function */
+	omap_hsmmc_init(mmc);
+}
+
+MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
+	.atag_offset	= 0x100,
+	.reserve	= omap_reserve,
+	.map_io		= omap3_map_io,
+	.init_early	= am35xx_init_early,
+	.init_irq	= omap3_init_irq,
+	.handle_irq	= omap3_intc_handle_irq,
+	.init_machine	= am3517_evm_init,
+	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
+MACHINE_END