From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/arm/mach-clps711x/board-edb7211.c | 180 +++++++++++++++++++++++++++++++++
 1 file changed, 180 insertions(+)
 create mode 100644 arch/arm/mach-clps711x/board-edb7211.c

(limited to 'arch/arm/mach-clps711x/board-edb7211.c')

diff --git a/arch/arm/mach-clps711x/board-edb7211.c b/arch/arm/mach-clps711x/board-edb7211.c
new file mode 100644
index 00000000..5f928e9e
--- /dev/null
+++ b/arch/arm/mach-clps711x/board-edb7211.c
@@ -0,0 +1,180 @@
+/*
+ *  Copyright (C) 2000, 2001 Blue Mug, Inc.  All Rights Reserved.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/memblock.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/backlight.h>
+#include <linux/platform_device.h>
+
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/setup.h>
+#include <asm/mach/map.h>
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <video/platform_lcd.h>
+
+#include <mach/hardware.h>
+
+#include "common.h"
+
+#define VIDEORAM_SIZE		SZ_128K
+
+#define EDB7211_LCD_DC_DC_EN	CLPS711X_GPIO(3, 1)
+#define EDB7211_LCDEN		CLPS711X_GPIO(3, 2)
+#define EDB7211_LCDBL		CLPS711X_GPIO(3, 3)
+
+#define EDB7211_FLASH0_BASE	(CS0_PHYS_BASE)
+#define EDB7211_FLASH1_BASE	(CS1_PHYS_BASE)
+#define EDB7211_CS8900_BASE	(CS2_PHYS_BASE + 0x300)
+#define EDB7211_CS8900_IRQ	(IRQ_EINT3)
+
+static struct resource edb7211_cs8900_resource[] __initdata = {
+	DEFINE_RES_MEM(EDB7211_CS8900_BASE, SZ_1K),
+	DEFINE_RES_IRQ(EDB7211_CS8900_IRQ),
+};
+
+static struct mtd_partition edb7211_flash_partitions[] __initdata = {
+	{
+		.name	= "Flash",
+		.offset	= 0,
+		.size	= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct physmap_flash_data edb7211_flash_pdata __initdata = {
+	.width		= 4,
+	.parts		= edb7211_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(edb7211_flash_partitions),
+};
+
+static struct resource edb7211_flash_resources[] __initdata = {
+	DEFINE_RES_MEM(EDB7211_FLASH0_BASE, SZ_8M),
+	DEFINE_RES_MEM(EDB7211_FLASH1_BASE, SZ_8M),
+};
+
+static struct platform_device edb7211_flash_pdev __initdata = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.resource	= edb7211_flash_resources,
+	.num_resources	= ARRAY_SIZE(edb7211_flash_resources),
+	.dev	= {
+		.platform_data	= &edb7211_flash_pdata,
+	},
+};
+
+static void edb7211_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
+{
+	if (power) {
+		gpio_set_value(EDB7211_LCDEN, 1);
+		udelay(100);
+		gpio_set_value(EDB7211_LCD_DC_DC_EN, 1);
+	} else {
+		gpio_set_value(EDB7211_LCD_DC_DC_EN, 0);
+		udelay(100);
+		gpio_set_value(EDB7211_LCDEN, 0);
+	}
+}
+
+static struct plat_lcd_data edb7211_lcd_power_pdata = {
+	.set_power	= edb7211_lcd_power_set,
+};
+
+static void edb7211_lcd_backlight_set_intensity(int intensity)
+{
+	gpio_set_value(EDB7211_LCDBL, intensity);
+}
+
+static struct generic_bl_info edb7211_lcd_backlight_pdata = {
+	.name			= "lcd-backlight.0",
+	.default_intensity	= 0x01,
+	.max_intensity		= 0x01,
+	.set_bl_intensity	= edb7211_lcd_backlight_set_intensity,
+};
+
+static struct gpio edb7211_gpios[] __initconst = {
+	{ EDB7211_LCD_DC_DC_EN,	GPIOF_OUT_INIT_LOW,	"LCD DC-DC" },
+	{ EDB7211_LCDEN,	GPIOF_OUT_INIT_LOW,	"LCD POWER" },
+	{ EDB7211_LCDBL,	GPIOF_OUT_INIT_LOW,	"LCD BACKLIGHT" },
+};
+
+static struct map_desc edb7211_io_desc[] __initdata = {
+	{	/* Memory-mapped extra keyboard row */
+		.virtual	= IO_ADDRESS(EP7211_PHYS_EXTKBD),
+		.pfn		= __phys_to_pfn(EP7211_PHYS_EXTKBD),
+		.length		= SZ_1M,
+		.type		= MT_DEVICE,
+	},
+};
+
+void __init edb7211_map_io(void)
+{
+	clps711x_map_io();
+	iotable_init(edb7211_io_desc, ARRAY_SIZE(edb7211_io_desc));
+}
+
+/* Reserve screen memory region at the start of main system memory. */
+static void __init edb7211_reserve(void)
+{
+	memblock_reserve(PHYS_OFFSET, VIDEORAM_SIZE);
+}
+
+static void __init
+fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi)
+{
+	/*
+	 * Bank start addresses are not present in the information
+	 * passed in from the boot loader.  We could potentially
+	 * detect them, but instead we hard-code them.
+	 *
+	 * Banks sizes _are_ present in the param block, but we're
+	 * not using that information yet.
+	 */
+	mi->bank[0].start = 0xc0000000;
+	mi->bank[0].size = SZ_8M;
+	mi->bank[1].start = 0xc1000000;
+	mi->bank[1].size = SZ_8M;
+	mi->nr_banks = 2;
+}
+
+static void __init edb7211_init(void)
+{
+	gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios));
+
+	platform_device_register(&edb7211_flash_pdev);
+	platform_device_register_data(&platform_bus, "platform-lcd", 0,
+				      &edb7211_lcd_power_pdata,
+				      sizeof(edb7211_lcd_power_pdata));
+	platform_device_register_data(&platform_bus, "generic-bl", 0,
+				      &edb7211_lcd_backlight_pdata,
+				      sizeof(edb7211_lcd_backlight_pdata));
+	platform_device_register_simple("video-clps711x", 0, NULL, 0);
+	platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource,
+					ARRAY_SIZE(edb7211_cs8900_resource));
+}
+
+MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
+	/* Maintainer: Jon McClintock */
+	.atag_offset	= VIDEORAM_SIZE + 0x100,
+	.nr_irqs	= CLPS711X_NR_IRQS,
+	.fixup		= fixup_edb7211,
+	.reserve	= edb7211_reserve,
+	.map_io		= edb7211_map_io,
+	.init_irq	= clps711x_init_irq,
+	.init_time	= clps711x_timer_init,
+	.init_machine	= edb7211_init,
+	.handle_irq	= clps711x_handle_irq,
+	.restart	= clps711x_restart,
+MACHINE_END
-- 
cgit v1.3.1