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166 lines
3.9 KiB
166 lines
3.9 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-pxa/himalaya.c |
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* |
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* Hardware definitions for the HTC Himalaya |
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* |
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* Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c |
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* |
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* Copyright (c) 2008 Zbynek Michl <[email protected]> |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/device.h> |
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#include <linux/fb.h> |
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#include <linux/platform_device.h> |
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#include <video/w100fb.h> |
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#include <asm/setup.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include "pxa25x.h" |
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#include "generic.h" |
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/* ---------------------- Himalaya LCD definitions -------------------- */ |
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static struct w100_gen_regs himalaya_lcd_regs = { |
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.lcd_format = 0x00000003, |
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.lcdd_cntl1 = 0x00000000, |
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.lcdd_cntl2 = 0x0003ffff, |
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.genlcd_cntl1 = 0x00fff003, |
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.genlcd_cntl2 = 0x00000003, |
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.genlcd_cntl3 = 0x000102aa, |
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}; |
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static struct w100_mode himalaya4_lcd_mode = { |
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.xres = 240, |
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.yres = 320, |
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.left_margin = 0, |
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.right_margin = 31, |
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.upper_margin = 15, |
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.lower_margin = 0, |
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.crtc_ss = 0x80150014, |
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.crtc_ls = 0xa0fb00f7, |
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.crtc_gs = 0xc0080007, |
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.crtc_vpos_gs = 0x00080007, |
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.crtc_rev = 0x0000000a, |
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.crtc_dclk = 0x81700030, |
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.crtc_gclk = 0x8015010f, |
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.crtc_goe = 0x00000000, |
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.pll_freq = 80, |
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.pixclk_divider = 15, |
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.pixclk_divider_rotated = 15, |
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.pixclk_src = CLK_SRC_PLL, |
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.sysclk_divider = 0, |
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.sysclk_src = CLK_SRC_PLL, |
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}; |
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static struct w100_mode himalaya6_lcd_mode = { |
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.xres = 240, |
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.yres = 320, |
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.left_margin = 9, |
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.right_margin = 8, |
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.upper_margin = 5, |
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.lower_margin = 4, |
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.crtc_ss = 0x80150014, |
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.crtc_ls = 0xa0fb00f7, |
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.crtc_gs = 0xc0080007, |
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.crtc_vpos_gs = 0x00080007, |
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.crtc_rev = 0x0000000a, |
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.crtc_dclk = 0xa1700030, |
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.crtc_gclk = 0x8015010f, |
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.crtc_goe = 0x00000000, |
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.pll_freq = 95, |
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.pixclk_divider = 0xb, |
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.pixclk_divider_rotated = 4, |
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.pixclk_src = CLK_SRC_PLL, |
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.sysclk_divider = 1, |
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.sysclk_src = CLK_SRC_PLL, |
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}; |
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static struct w100_gpio_regs himalaya_w100_gpio_info = { |
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.init_data1 = 0xffff0000, /* GPIO_DATA */ |
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.gpio_dir1 = 0x00000000, /* GPIO_CNTL1 */ |
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.gpio_oe1 = 0x003c0000, /* GPIO_CNTL2 */ |
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.init_data2 = 0x00000000, /* GPIO_DATA2 */ |
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.gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */ |
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.gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */ |
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}; |
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static struct w100fb_mach_info himalaya_fb_info = { |
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.num_modes = 1, |
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.regs = &himalaya_lcd_regs, |
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.gpio = &himalaya_w100_gpio_info, |
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.xtal_freq = 16000000, |
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}; |
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static struct resource himalaya_fb_resources[] = { |
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[0] = { |
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.start = 0x08000000, |
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.end = 0x08ffffff, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct platform_device himalaya_fb_device = { |
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.name = "w100fb", |
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.id = -1, |
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.dev = { |
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.platform_data = &himalaya_fb_info, |
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}, |
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.num_resources = ARRAY_SIZE(himalaya_fb_resources), |
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.resource = himalaya_fb_resources, |
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}; |
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/* ----------------------------------------------------------------------- */ |
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static struct platform_device *devices[] __initdata = { |
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&himalaya_fb_device, |
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}; |
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static void __init himalaya_lcd_init(void) |
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{ |
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int himalaya_boardid; |
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himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */ |
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printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n", |
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himalaya_boardid); |
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switch (himalaya_boardid) { |
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case 0x4: |
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himalaya_fb_info.modelist = &himalaya4_lcd_mode; |
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break; |
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case 0x6: |
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himalaya_fb_info.modelist = &himalaya6_lcd_mode; |
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break; |
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default: |
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printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n", |
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himalaya_boardid); |
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himalaya_fb_info.modelist = &himalaya4_lcd_mode; |
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} |
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} |
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static void __init himalaya_init(void) |
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{ |
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pxa_set_ffuart_info(NULL); |
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pxa_set_btuart_info(NULL); |
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pxa_set_stuart_info(NULL); |
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himalaya_lcd_init(); |
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platform_add_devices(devices, ARRAY_SIZE(devices)); |
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} |
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MACHINE_START(HIMALAYA, "HTC Himalaya") |
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.atag_offset = 0x100, |
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.map_io = pxa25x_map_io, |
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.nr_irqs = PXA_NR_IRQS, |
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.init_irq = pxa25x_init_irq, |
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.handle_irq = pxa25x_handle_irq, |
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.init_machine = himalaya_init, |
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.init_time = pxa_timer_init, |
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.restart = pxa_restart, |
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MACHINE_END
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