From b7eb1a5ed50c6f622664bb8a7113313fa8b6dd1e Mon Sep 17 00:00:00 2001
From: Zbynek Michl
Date: Fri, 2 Jan 2009 00:26:13 +0100
Subject: [ARM] 5355/1: Adding support for the HTC Himalaya and its framebuffer

Patch adds support for the HTC Himalaya device. It includes hardware definitions and w100fb support.

Signed-off-by: Zbynek Michl <Zbynek.Michl@seznam.cz>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-pxa/himalaya.c | 168 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 168 insertions(+)
 create mode 100644 arch/arm/mach-pxa/himalaya.c

(limited to 'arch/arm/mach-pxa/himalaya.c')

diff --git a/arch/arm/mach-pxa/himalaya.c b/arch/arm/mach-pxa/himalaya.c
new file mode 100644
index 000000000000..00884e5a6042
--- /dev/null
+++ b/arch/arm/mach-pxa/himalaya.c
@@ -0,0 +1,168 @@
+/*
+ * linux/arch/arm/mach-pxa/himalaya.c
+ *
+ * Hardware definitions for the HTC Himalaya
+ *
+ * Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c
+ *
+ * Copyright (c) 2008 Zbynek Michl <Zbynek.Michl@seznam.cz>
+ *
+ * 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/device.h>
+#include <linux/fb.h>
+#include <linux/platform_device.h>
+
+#include <video/w100fb.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/mfp-pxa25x.h>
+#include <mach/hardware.h>
+#include <mach/pxa-regs.h>
+#include <mach/pxa2xx-regs.h>
+
+#include "generic.h"
+
+/* ---------------------- Himalaya LCD definitions -------------------- */
+
+static struct w100_gen_regs himalaya_lcd_regs = {
+	.lcd_format =        0x00000003,
+	.lcdd_cntl1 =        0x00000000,
+	.lcdd_cntl2 =        0x0003ffff,
+	.genlcd_cntl1 =      0x00fff003,
+	.genlcd_cntl2 =      0x00000003,
+	.genlcd_cntl3 =      0x000102aa,
+};
+
+static struct w100_mode himalaya4_lcd_mode = {
+	.xres 		= 240,
+	.yres 		= 320,
+	.left_margin 	= 0,
+	.right_margin 	= 31,
+	.upper_margin 	= 15,
+	.lower_margin 	= 0,
+	.crtc_ss	= 0x80150014,
+	.crtc_ls	= 0xa0fb00f7,
+	.crtc_gs	= 0xc0080007,
+	.crtc_vpos_gs	= 0x00080007,
+	.crtc_rev	= 0x0000000a,
+	.crtc_dclk	= 0x81700030,
+	.crtc_gclk	= 0x8015010f,
+	.crtc_goe	= 0x00000000,
+	.pll_freq 	= 80,
+	.pixclk_divider = 15,
+	.pixclk_divider_rotated = 15,
+	.pixclk_src     = CLK_SRC_PLL,
+	.sysclk_divider = 0,
+	.sysclk_src     = CLK_SRC_PLL,
+};
+
+static struct w100_mode himalaya6_lcd_mode = {
+	.xres 		= 240,
+	.yres 		= 320,
+	.left_margin 	= 9,
+	.right_margin 	= 8,
+	.upper_margin 	= 5,
+	.lower_margin 	= 4,
+	.crtc_ss	= 0x80150014,
+	.crtc_ls	= 0xa0fb00f7,
+	.crtc_gs	= 0xc0080007,
+	.crtc_vpos_gs	= 0x00080007,
+	.crtc_rev	= 0x0000000a,
+	.crtc_dclk	= 0xa1700030,
+	.crtc_gclk	= 0x8015010f,
+	.crtc_goe	= 0x00000000,
+	.pll_freq 	= 95,
+	.pixclk_divider = 0xb,
+	.pixclk_divider_rotated = 4,
+	.pixclk_src     = CLK_SRC_PLL,
+	.sysclk_divider = 1,
+	.sysclk_src     = CLK_SRC_PLL,
+};
+
+static struct w100_gpio_regs himalaya_w100_gpio_info = {
+	.init_data1 = 0xffff0000,	/* GPIO_DATA  */
+	.gpio_dir1  = 0x00000000,	/* GPIO_CNTL1 */
+	.gpio_oe1   = 0x003c0000,	/* GPIO_CNTL2 */
+	.init_data2 = 0x00000000,	/* GPIO_DATA2 */
+	.gpio_dir2  = 0x00000000,	/* GPIO_CNTL3 */
+	.gpio_oe2   = 0x00000000,	/* GPIO_CNTL4 */
+};
+
+static struct w100fb_mach_info himalaya_fb_info = {
+	.num_modes  = 1,
+	.regs       = &himalaya_lcd_regs,
+	.gpio       = &himalaya_w100_gpio_info,
+	.xtal_freq = 16000000,
+};
+
+static struct resource himalaya_fb_resources[] = {
+	[0] = {
+		.start	= 0x08000000,
+		.end	= 0x08ffffff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device himalaya_fb_device = {
+	.name           = "w100fb",
+	.id             = -1,
+	.dev            = {
+		.platform_data  = &himalaya_fb_info,
+	},
+	.num_resources  = ARRAY_SIZE(himalaya_fb_resources),
+	.resource       = himalaya_fb_resources,
+};
+
+/* ----------------------------------------------------------------------- */
+
+static struct platform_device *devices[] __initdata = {
+	&himalaya_fb_device,
+};
+
+static void __init himalaya_lcd_init(void)
+{
+	int himalaya_boardid;
+
+	himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
+	printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
+		himalaya_boardid);
+
+	switch (himalaya_boardid) {
+	case 0x4:
+		himalaya_fb_info.modelist = &himalaya4_lcd_mode;
+	break;
+	case 0x6:
+		himalaya_fb_info.modelist = &himalaya6_lcd_mode;
+	break;
+	default:
+		printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
+			himalaya_boardid);
+		himalaya_fb_info.modelist = &himalaya4_lcd_mode;
+	}
+}
+
+static void __init himalaya_init(void)
+{
+	himalaya_lcd_init();
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+
+MACHINE_START(HIMALAYA, "HTC Himalaya")
+	.phys_io = 0x40000000,
+	.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params = 0xa0000100,
+	.map_io = pxa_map_io,
+	.init_irq = pxa25x_init_irq,
+	.init_machine = himalaya_init,
+	.timer = &pxa_timer,
+MACHINE_END
-- 
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