diff options
Diffstat (limited to 'arch/arm/mach-pxa/himalaya.c')
| -rw-r--r-- | arch/arm/mach-pxa/himalaya.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/himalaya.c b/arch/arm/mach-pxa/himalaya.c new file mode 100644 index 000000000..469ffeec6 --- /dev/null +++ b/arch/arm/mach-pxa/himalaya.c @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * 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> + */ + +#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 "pxa25x.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) +{ + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + himalaya_lcd_init(); + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + + +MACHINE_START(HIMALAYA, "HTC Himalaya") + .atag_offset = 0x100, + .map_io = pxa25x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa25x_init_irq, + .handle_irq = pxa25x_handle_irq, + .init_machine = himalaya_init, + .init_time = pxa_timer_init, + .restart = pxa_restart, +MACHINE_END |