[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>
diff --git a/arch/arm/mach-pxa/himalaya.c b/arch/arm/mach-pxa/himalaya.c
new file mode 100644
index 0000000..00884e5
--- /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
