File 0003-mach-omap2-added-medistream-board.patch of Package kernel-adaptation-dm3730

From b7d427f7898118796a7a9d4336bdc37e926c1bfa Mon Sep 17 00:00:00 2001
From: MediStream-Devel-VM <info@berlinux-solutions.de>
Date: Mon, 6 Aug 2012 11:14:15 +0200
Subject: [PATCH 3/9] mach-omap2: -added medistream board

---
 arch/arm/mach-omap2/Kconfig            |    7 +
 arch/arm/mach-omap2/Makefile           |    1 +
 arch/arm/mach-omap2/board-medistream.c |  454 ++++++++++++++++++++++++++++++++
 arch/arm/mach-omap2/io.c               |    4 +
 arch/arm/tools/mach-types              |    1 +
 5 files changed, 467 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-omap2/board-medistream.c

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 8141b76..9f9c9bc 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -196,6 +196,13 @@ config MACH_OMAP3EVM
 	default y
 	select OMAP_PACKAGE_CBB
 
+config MACH_MEDISTREAM
+	bool "Bewatec MediStream Board"
+	depends on ARCH_OMAP3
+	default y
+	select OMAP_PACKAGE_CUS
+	select NET_POLL_CONTROLLER	if SMSC911X
+
 config MACH_OMAP3517EVM
 	bool "OMAP3517/ AM3517 EVM board"
 	depends on ARCH_OMAP3
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 49f92bc..d7ffe2b 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -200,6 +200,7 @@ obj-$(CONFIG_MACH_OMAP3_TORPEDO)        += board-omap3logic.o
 obj-$(CONFIG_MACH_ENCORE)		+= board-omap3encore.o
 obj-$(CONFIG_MACH_OVERO)		+= board-overo.o
 obj-$(CONFIG_MACH_OMAP3EVM)		+= board-omap3evm.o
+obj-$(CONFIG_MACH_MEDISTREAM)		+= board-medistream.o
 obj-$(CONFIG_MACH_OMAP3_PANDORA)	+= board-omap3pandora.o
 obj-$(CONFIG_MACH_OMAP_3430SDP)		+= board-3430sdp.o
 obj-$(CONFIG_MACH_NOKIA_N8X0)		+= board-n8x0.o
diff --git a/arch/arm/mach-omap2/board-medistream.c b/arch/arm/mach-omap2/board-medistream.c
new file mode 100644
index 0000000..d064604
--- /dev/null
+++ b/arch/arm/mach-omap2/board-medistream.c
@@ -0,0 +1,454 @@
+/*
+ * linux/arch/arm/mach-omap2/board-medistream.c
+ *
+ * Copyright (C) 2008 Texas Instruments
+ *
+ * Modified from mach-omap2/board-3430sdp.c
+ *
+ * Initial code: Syed Mohammed Khasim
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/leds.h>
+#include <linux/interrupt.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
+#include <linux/mmc/host.h>
+
+#include <linux/spi/spi.h>
+#include <linux/i2c/twl.h>
+#include <linux/usb/otg.h>
+#include <linux/smsc911x.h>
+
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
+#include <linux/mmc/host.h>
+#include <linux/export.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <plat/board.h>
+#include <plat/usb.h>
+#include "common.h"
+#include <plat/mcspi.h>
+#include <video/omapdss.h>
+#include <video/omap-panel-dvi.h>
+
+#include "mux.h"
+#include "sdram-micron-mt46h32m32lf-6.h"
+#include "hsmmc.h"
+#include "common-board-devices.h"
+
+#define MEDISTREAM_EHCI_VBUS	22
+#define MEDISTREAM_EHCI_SELECT	61
+
+#define MEDISTREAM_ETHR_START	0x2c000000
+#define MEDISTREAM_ETHR_SIZE	1024
+#define MEDISTREAM_ETHR_GPIO_IRQ	29
+#define MEDISTREAM_SMSC911X_CS	5
+
+#define MEDISTREAM_POWER_FEEDBACK_GPIO	41
+
+enum {
+        MEDISTREAM_BOARD_GEN_1 = 0,       /* OMAP3530 */
+        MEDISTREAM_BOARD_GEN_2,           /* DM3730 */
+};
+
+static u8 medistream_version;
+
+u8 get_medistream_rev(void)
+{
+	return medistream_version;
+}
+EXPORT_SYMBOL(get_medistream_rev);
+
+static void __init medistream_get_revision(void)
+{
+	if (cpu_is_omap3630()) {
+		medistream_version = MEDISTREAM_BOARD_GEN_2;
+	} else {
+		medistream_version = MEDISTREAM_BOARD_GEN_1;
+	}
+}
+
+static struct mtd_partition medistream_nand_partitions[] = {
+	/* All the partition sizes are listed in terms of NAND block size */
+	{
+		.name		= "X-Loader",
+		.offset		= 0,
+		.size		= 4 * NAND_BLOCK_SIZE,
+		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
+	},
+	{
+		.name		= "U-Boot",
+		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
+		.size		= 15 * NAND_BLOCK_SIZE,
+		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
+	},
+	{
+		.name		= "U-Boot Env",
+		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x260000 */
+		.size		= 1 * NAND_BLOCK_SIZE,
+	},
+	{
+		.name		= "Kernel",
+		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x280000 */
+		.size		= 40 * NAND_BLOCK_SIZE,
+	},
+	{
+		.name		= "File System",
+		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x680000 */
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
+#include <plat/gpmc-smsc911x.h>
+
+static struct omap_smsc911x_platform_data smsc911x_cfg = {
+	.cs             = MEDISTREAM_SMSC911X_CS,
+	.gpio_irq       = MEDISTREAM_ETHR_GPIO_IRQ,
+	.gpio_reset     = -EINVAL,
+	.flags			= SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
+};
+
+static inline void __init medistream_init_smsc911x(void)
+{
+	gpmc_smsc911x_init(&smsc911x_cfg);
+}
+
+#else
+static inline void __init medistream_init_smsc911x(void) { return; }
+#endif
+
+/*
+ * MEDISTREAM LCD Panel control signals
+ */
+#define MEDISTREAM_LED_ENABLE_GPIO	26
+#define MEDISTREAM_LCD_ENABLE_GPIO	134
+
+static struct gpio medistream_dss_gpios[] __initdata = {
+	{ MEDISTREAM_LED_ENABLE_GPIO,  GPIOF_OUT_INIT_LOW, "led_enable"  },
+	{ MEDISTREAM_LCD_ENABLE_GPIO,  GPIOF_OUT_INIT_LOW, "lcd_enable"   },
+};
+
+static int lcd_enabled;
+
+static void __init medistream_display_init(void)
+{
+	omap_mux_init_gpio(MEDISTREAM_LED_ENABLE_GPIO, OMAP_PIN_INPUT);
+	omap_mux_init_gpio(MEDISTREAM_LCD_ENABLE_GPIO, OMAP_PIN_INPUT_PULLUP);
+
+	if(gpio_request_array(medistream_dss_gpios,
+			       ARRAY_SIZE(medistream_dss_gpios))) {
+		printk(KERN_ERR "failed to get lcd_panel_* gpios\n");
+	}
+}
+
+static int medistream_enable_lcd(struct omap_dss_device *dssdev)
+{
+	gpio_set_value(MEDISTREAM_LED_ENABLE_GPIO, 0);
+	gpio_set_value(MEDISTREAM_LCD_ENABLE_GPIO, 1);
+
+	lcd_enabled = 1;
+	return 0;
+}
+
+static void medistream_disable_lcd(struct omap_dss_device *dssdev)
+{
+	gpio_set_value(MEDISTREAM_LED_ENABLE_GPIO, 1);
+	gpio_set_value(MEDISTREAM_LCD_ENABLE_GPIO, 0);
+
+	lcd_enabled = 0;
+}
+
+static struct omap_dss_device medistream_lcd_device = {
+	.name				= "lcd",
+#ifdef CONFIG_PANEL_MEDISTREAM
+	.driver_name		= "Medistream Panel",
+#endif
+	.type				= OMAP_DISPLAY_TYPE_DPI,
+	.phy.dpi.data_lines	= 24,
+	.platform_enable	= medistream_enable_lcd,
+	.platform_disable	= medistream_disable_lcd,
+};
+
+static struct omap_dss_device *medistream_dss_devices[] = {
+	&medistream_lcd_device,
+};
+
+static struct omap_dss_board_info medistream_dss_data = {
+	.num_devices	= ARRAY_SIZE(medistream_dss_devices),
+	.devices	= medistream_dss_devices,
+	.default_device	= &medistream_lcd_device,
+};
+
+static struct regulator_consumer_supply medistream_vmmc1_supply[] = {
+	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
+};
+
+static struct regulator_consumer_supply medistream_vsim_supply[] = {
+	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
+};
+
+/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
+static struct regulator_init_data medistream_vmmc1 = {
+	.constraints = {
+		.min_uV			= 1850000,
+		.max_uV			= 3150000,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(medistream_vmmc1_supply),
+	.consumer_supplies	= medistream_vmmc1_supply,
+};
+
+/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
+static struct regulator_init_data medistream_vsim = {
+	.constraints = {
+		.min_uV			= 1800000,
+		.max_uV			= 3000000,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(medistream_vsim_supply),
+	.consumer_supplies	= medistream_vsim_supply,
+};
+
+static struct omap2_hsmmc_info mmc[] = {
+	{
+		.mmc		= 1,
+		.caps		= MMC_CAP_4_BIT_DATA,
+		.gpio_cd	= -EINVAL,
+		.gpio_wp	= 27, //65,
+		.deferred	= true,
+	},
+	{}	/* Terminator */
+};
+
+static int medistream_twl_gpio_setup(struct device *dev,
+		unsigned gpio, unsigned ngpio)
+{
+	omap_mux_init_gpio(65, OMAP_PIN_INPUT);
+	
+	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
+	mmc[0].gpio_cd = gpio + 0;
+	omap_hsmmc_late_init(mmc);
+
+	return 0;
+}
+
+static struct twl4030_gpio_platform_data medistream_gpio_data = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES,
+	.irq_base	= TWL4030_GPIO_IRQ_BASE,
+	.irq_end	= TWL4030_GPIO_IRQ_END,
+	.use_leds	= true,
+	.setup		= medistream_twl_gpio_setup,
+};
+
+static struct regulator_consumer_supply omap3evm_vio_supply[] = {
+	REGULATOR_SUPPLY("vcc", "spi1.0"),
+};
+
+/* VIO for ads7846 */
+static struct regulator_init_data omap3evm_vio = {
+	.constraints = {
+		.min_uV			= 1800000,
+		.max_uV			= 1800000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask		= REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= ARRAY_SIZE(omap3evm_vio_supply),
+	.consumer_supplies	= omap3evm_vio_supply,
+};
+
+static struct twl4030_platform_data medistream_twldata = {
+	/* platform_data for children goes here */
+	.gpio		= &medistream_gpio_data,
+	.vmmc1		= &medistream_vmmc1,
+	.vsim		= &medistream_vsim,
+};
+
+static int __init medistream_i2c_init(void)
+{
+	omap3_pmic_get_config(&medistream_twldata,
+			TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
+			TWL_COMMON_PDATA_AUDIO,
+			TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
+
+	medistream_twldata.vpll2->constraints.name = "VDVI";
+	medistream_twldata.vdac->constraints.apply_uV = true;
+	medistream_twldata.vpll2->constraints.apply_uV = true;
+
+	omap3_pmic_init("twl4030", &medistream_twldata);
+	omap_register_i2c_bus(2, 400, NULL, 0);
+	omap_register_i2c_bus(3, 400, NULL, 0);
+	return 0;
+}
+
+static struct omap_board_config_kernel medistream_config[] __initdata = {
+};
+
+static struct usbhs_omap_board_data usbhs_bdata __initdata = {
+
+	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, //OMAP_USBHS_PORT_MODE_UNUSED,
+	.port_mode[1] = OMAP_EHCI_PORT_MODE_TLL, //OMAP_EHCI_PORT_MODE_PHY,
+	.port_mode[2] = OMAP_EHCI_PORT_MODE_TLL, //OMAP_USBHS_PORT_MODE_UNUSED,
+
+	.phy_reset  = true,
+	
+	/* PHY reset GPIO will be runtime programmed based on EVM version */
+	.reset_gpio_port[0]  = -EINVAL,
+	.reset_gpio_port[1]  = -EINVAL,
+	.reset_gpio_port[2]  = -EINVAL
+};
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux medistream_board_mux[] __initdata = {
+	OMAP3_MUX(ETK_D10, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),			/* GPIO24, USB */
+	OMAP3_MUX(ETK_D12, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),			/* GPIO26, LCD backlight */
+	OMAP3_MUX(ETK_D15, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),			/* GPIO29, ETH0 */
+	OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),		/* GPIO134, LCD_EN */
+
+	/* Configure MCBSP3 pins to UART2 mux*/
+	OMAP3_MUX(MCBSP3_DX, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT | OMAP_PULL_ENA |OMAP_PULL_UP ),
+	OMAP3_MUX(MCBSP3_DR, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+	OMAP3_MUX(MCBSP3_CLKX, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
+	OMAP3_MUX(MCBSP3_FSX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+
+	/* power feedback pin */
+	OMAP3_MUX(GPMC_A8, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT |OMAP_PULL_ENA |OMAP_PULL_UP),
+
+	{ .reg_offset = OMAP_MUX_TERMINATOR },
+};
+#else
+#define medistream_board_mux	NULL
+#endif
+
+static void medistream_poweroff(void) {
+	u8 val;
+
+	// set powerfeedback pin to low
+	gpio_set_value(MEDISTREAM_POWER_FEEDBACK_GPIO, 0);
+
+	// set DEVOFF bit of PWR_P1_SW_EVENTS
+	if(twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &val, 0x10)) {
+		printk(KERN_WARNING "I2C error while reading TWL4030" "PM_MASTER P1_SW_EVENTS\n");
+	}
+	val |= 0x01;
+	if(twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, val, 0x10)) {
+		printk(KERN_WARNING "I2C error while writing TWL4030" "PM_MASTER P1_SW_EVENTS\n");
+	}
+}
+
+static struct omap_musb_board_data musb_board_data = {
+	.interface_type = MUSB_INTERFACE_ULPI,
+	.mode			= MUSB_OTG,
+	.power			= 100,
+	.extvbus        = 1,
+};
+
+static struct gpio medistream_ehci_gpios[] __initdata = {
+	{ MEDISTREAM_EHCI_VBUS,	  GPIOF_OUT_INIT_HIGH,  "enable EHCI VBUS" },
+	{ MEDISTREAM_EHCI_SELECT, GPIOF_OUT_INIT_LOW,   "select EHCI port" },
+	{ MEDISTREAM_POWER_FEEDBACK_GPIO, GPIOF_OUT_INIT_HIGH,   "POWER FEEDBACK" },
+};
+
+static void __init medistream_init(void)
+{
+	pm_power_off = medistream_poweroff;
+
+	medistream_get_revision();
+	
+	omap3_mux_init(medistream_board_mux, OMAP_PACKAGE_CUS);
+
+	omap_board_config = medistream_config;
+	omap_board_config_size = ARRAY_SIZE(medistream_config);
+
+	if (gpio_request(24,"GPIO24") < 0)
+		printk(KERN_ERR "Can't get GPIO24 for USB reset\n");
+	gpio_direction_output(24, 1);
+	gpio_set_value(24, 1);
+	
+	if (gpio_request(28,"GPIO24")<0)
+		printk(KERN_ERR "Can't get GPIO28 for USB phy reset\n");
+	gpio_direction_output(28, 1);
+	gpio_set_value(28, 1);
+
+	omap_mux_init_gpio(137, OMAP_PIN_OUTPUT);
+	if (gpio_request(137,"eth_rst")<0)
+		printk(KERN_ERR "Can't get 137 eth_rst\n");
+	gpio_direction_output(137, 1);
+	gpio_set_value(137, 1);	omap_hsmmc_init(mmc);
+
+	medistream_i2c_init();
+
+	omap_display_init(&medistream_dss_data);
+
+	omap_serial_init();
+	omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
+
+	/* MEDISTREAM uses ISP1504 phy and so register nop transceiver */
+	usb_nop_xceiv_register();
+
+#if 0
+	/* enable EHCI VBUS using GPIO22 */
+	omap_mux_init_gpio(MEDISTREAM_EHCI_VBUS, OMAP_PIN_INPUT_PULLUP);
+	/* Select EHCI port on main board */
+	omap_mux_init_gpio(MEDISTREAM_EHCI_SELECT,
+			   OMAP_PIN_INPUT_PULLUP);
+	gpio_request_array(medistream_ehci_gpios,
+			   ARRAY_SIZE(medistream_ehci_gpios));
+
+	/* setup EHCI phy reset config */
+	omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
+	usbhs_bdata.reset_gpio_port[1] = 21;
+#endif
+
+	usb_musb_init(&musb_board_data);
+	usbhs_init(&usbhs_bdata);
+
+	omap_nand_flash_init(NAND_BUSWIDTH_16, medistream_nand_partitions,
+			     ARRAY_SIZE(medistream_nand_partitions));
+
+	medistream_init_smsc911x();
+	medistream_display_init();
+}
+
+MACHINE_START(MEDISTREAM, "Bewatec MediStream")
+	/* Maintainer: Syed Mohammed Khasim - Texas Instruments */
+	.atag_offset	= 0x100,
+	.reserve	= omap_reserve,
+	.map_io		= omap3_map_io,
+	.init_early	= omap35xx_init_early,
+	.init_irq	= omap3_init_irq,
+	.handle_irq	= omap3_intc_handle_irq,
+	.init_machine	= medistream_init,
+	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
+MACHINE_END
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 065bd76..67af888 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -317,6 +317,7 @@ void __init omap44xx_map_common_io(void)
  * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
  * or passes along the return value of clk_set_rate().
  */
+#ifndef CONFIG_MACH_MEDISTREAM
 static int __init _omap2_init_reprogram_sdrc(void)
 {
 	struct clk *dpll3_m2_ck;
@@ -340,6 +341,7 @@ static int __init _omap2_init_reprogram_sdrc(void)
 
 	return v;
 }
+#endif
 
 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
 {
@@ -491,6 +493,8 @@ void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
 
 	if (cpu_is_omap24xx() || omap3_has_sdrc()) {
 		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
+#ifndef CONFIG_MACH_MEDISTREAM
 		_omap2_init_reprogram_sdrc();
+#endif
 	}
 }
diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index f9c9f33..d1db747 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -1169,3 +1169,4 @@ elite_ulk		MACH_ELITE_ULK		ELITE_ULK		3888
 pov2			MACH_POV2		POV2			3889
 ipod_touch_2g		MACH_IPOD_TOUCH_2G	IPOD_TOUCH_2G		3890
 da850_pqab		MACH_DA850_PQAB		DA850_PQAB		3891
+medistream		MACH_MEDISTREAM		MEDISTREAM		8888
-- 
1.7.5.4