This patch creates the minimal OMAP3 Zoom2 board support.
Signed-off-by: Mikkel Christensen <mlc@xxxxxx>
Signed-off-by: Vikram Pandita <vikram.pandita@xxxxxx>
---
arch/arm/mach-omap2/board-zoom2-debugboard.c | 165 ++++++++++++++++++++++++++
arch/arm/mach-omap2/board-zoom2.c | 109 +++++++++++++++++
2 files changed, 274 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap2/board-zoom2-debugboard.c
create mode 100644 arch/arm/mach-omap2/board-zoom2.c
diff --git a/arch/arm/mach-omap2/board-zoom2-debugboard.c b/arch/arm/mach-omap2/board-zoom2-debugboard.c
new file mode 100644
index 0000000..e89b3af
--- /dev/null
+++ b/arch/arm/mach-omap2/board-zoom2-debugboard.c
@@ -0,0 +1,165 @@
+/*
+ * arch/arm/mach-omap2/board-zoom2-debugboard.c
+ *
+ * OMAP3 Zoom2 debug board support.
+ *
+ * Copyright (C) 2009 Texas Instruments Inc.
+ * Mikkel Christensen <mlc@xxxxxx>
+ *
+ * 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/serial_8250.h>
+#include <linux/smsc911x.h>
+
+#include <mach/gpio.h>
+#include <mach/gpmc.h>
+
+#define ZOOM2_SMSC911X_CS 7
+#define ZOOM2_SMSC911X_GPIO 158
+#define ZOOM2_QUADUART_CS 3
+#define ZOOM2_QUADUART_GPIO 102
+#define QUART_CLK 1843200
+#define DEBUG_BASE 0x08000000
+#define ZOOM2_ETHR_START DEBUG_BASE
+
+static struct resource zoom2_smsc911x_resources[] = {
+ [0] = {
+ .start = ZOOM2_ETHR_START,
+ .end = ZOOM2_ETHR_START + SZ_4K,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+ },
+};
+
+static struct smsc911x_platform_config zoom2_smsc911x_config = {
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
+ .flags = SMSC911X_USE_32BIT,
+ .phy_interface = PHY_INTERFACE_MODE_MII,
+};
+
+static struct platform_device zoom2_smsc911x_device = {
+ .name = "smsc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(zoom2_smsc911x_resources),
+ .resource = zoom2_smsc911x_resources,
+ .dev = {
+ .platform_data = &zoom2_smsc911x_config,
+ },
+};
+
+static inline void __init zoom2_init_smsc911x(void)
+{
+ int eth_cs;
+ unsigned long cs_mem_base;
+ int eth_gpio = 0;
+
+ eth_cs = ZOOM2_SMSC911X_CS;
+
+ if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
+ printk(KERN_ERR "Failed to request GPMC mem for smsc911x\n");
+ return;
+ }
+
+ zoom2_smsc911x_resources[0].start = cs_mem_base + 0x0;
+ zoom2_smsc911x_resources[0].end = cs_mem_base + 0xff;
+
+ eth_gpio = ZOOM2_SMSC911X_GPIO;
+
+ zoom2_smsc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
+
+ if (gpio_request(eth_gpio, "smsc911x irq") < 0) {
+ printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n",
+ eth_gpio);
+ return;
+ }
+ gpio_direction_input(eth_gpio);
+}
+
+static struct plat_serial8250_port serial_platform_data[] = {
+ {
+ .mapbase = 0x10000000,
+ .irq = OMAP_GPIO_IRQ(102),
+ .flags = UPF_BOOT_AUTOCONF|UPF_IOREMAP|UPF_SHARE_IRQ,
+ .iotype = UPIO_MEM,
+ .regshift = 1,
+ .uartclk = QUART_CLK,
+ }, {
+ .flags = 0
+ }
+};
+
+static struct platform_device zoom2_debugboard_serial_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM1,
+ .dev = {
+ .platform_data = serial_platform_data,
+ },
+};
+
+static inline void __init zoom2_init_quaduart(void)
+{
+ int quart_cs;
+ unsigned long cs_mem_base;
+ int quart_gpio = 0;
+
+ quart_cs = ZOOM2_QUADUART_CS;
+
+ if (gpmc_cs_request(quart_cs, SZ_1M, &cs_mem_base) < 0) {
+ printk(KERN_ERR "Failed to request GPMC mem"
+ "for Quad UART(TL16CP754C)\n");
+ return;
+ }
+
+ quart_gpio = ZOOM2_QUADUART_GPIO;
+
+ if (gpio_request(quart_gpio, "TL16CP754C GPIO") < 0) {
+ printk(KERN_ERR "Failed to request GPIO%d for TL16CP754C\n",
+ quart_gpio);
+ return;
+ }
+ gpio_direction_input(quart_gpio);
+}
+
+static inline int omap_zoom2_debugboard_detect(void)
+{
+ int debug_board_detect = 0;
+
+ debug_board_detect = ZOOM2_SMSC911X_GPIO;
+
+ if (gpio_request(debug_board_detect, "Zoom2 debug board detect") < 0) {
+ printk(KERN_ERR "Failed to request GPIO%d for Zoom2 debug"
+ "board detect\n", debug_board_detect);
+ return 0;
+ }
+ gpio_direction_input(debug_board_detect);
+
+ if (!gpio_get_value(debug_board_detect)) {
+ gpio_free(debug_board_detect);
+ return 0;
+ }
+ return 1;
+}
+
+static struct platform_device *zoom2_devices[] __initdata = {
+ &zoom2_smsc911x_device,
+ &zoom2_debugboard_serial_device,
+};
+
+static int __init omap_zoom2_debugboard_init(void)
+{
+ if (!omap_zoom2_debugboard_detect())
+ return 0;
+
+ zoom2_init_smsc911x();
+ zoom2_init_quaduart();
+ return platform_add_devices(zoom2_devices, ARRAY_SIZE(zoom2_devices));
+}
+arch_initcall(omap_zoom2_debugboard_init);
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
new file mode 100644
index 0000000..b3b7d1b
--- /dev/null
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -0,0 +1,109 @@
+/*
+ * linux/arch/arm/mach-omap2/board-zoom2.c
+ *
+ * Copyright (C) 2009 Texas Instruments Inc.
+ * Mikkel Christensen <mlc@xxxxxx>
+ *
+ * Modified from mach-omap2/board-ldp.c
+ *
+ * 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/i2c/twl4030.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/gpio.h>
+#include <mach/common.h>
+#include <mach/usb.h>
+
+#include "mmc-twl4030.h"
+
+static void __init omap_zoom2_init_irq(void)
+{
+ omap2_init_common_hw(NULL);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
+static struct omap_uart_config zoom2_uart_config __initdata = {
+ .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct omap_board_config_kernel zoom2_config[] __initdata = {
+ { OMAP_TAG_UART, &zoom2_uart_config },
+};
+
+static struct twl4030_gpio_platform_data zoom2_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+};
+
+static struct twl4030_platform_data zoom2_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+
+ /* platform_data for children goes here */
+ .gpio = &zoom2_gpio_data,
+};
+
+static struct i2c_board_info __initdata zoom2_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("twl4030", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &zoom2_twldata,
+ },
+};
+
+static int __init omap_i2c_init(void)
+{
+ omap_register_i2c_bus(1, 2600, zoom2_i2c_boardinfo,
+ ARRAY_SIZE(zoom2_i2c_boardinfo));
+ omap_register_i2c_bus(2, 400, NULL, 0);
+ omap_register_i2c_bus(3, 400, NULL, 0);
+ return 0;
+}
+
+static struct twl4030_hsmmc_info mmc[] __initdata = {
+ {
+ .mmc = 1,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ },
+ {} /* Terminator */
+};
+
+static void __init omap_zoom2_init(void)
+{
+ omap_i2c_init();
+ omap_board_config = zoom2_config;
+ omap_board_config_size = ARRAY_SIZE(zoom2_config);
+ omap_serial_init();
+ twl4030_mmc_init(mmc);
+ usb_musb_init();
+}
+
+static void __init omap_zoom2_map_io(void)
+{
+ omap2_set_globals_343x();
+ omap2_map_common_io();
+}
+
+MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = omap_zoom2_map_io,
+ .init_irq = omap_zoom2_init_irq,
+ .init_machine = omap_zoom2_init,
+ .timer = &omap_timer,
+MACHINE_END
--
1.5.4.3
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