diff options
Diffstat (limited to 'arch/arm/mach-pxa/zylonite.c')
| -rw-r--r-- | arch/arm/mach-pxa/zylonite.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c new file mode 100644 index 00000000000..3f18d760dd1 --- /dev/null +++ b/arch/arm/mach-pxa/zylonite.c @@ -0,0 +1,184 @@ +/* + * linux/arch/arm/mach-pxa/zylonite.c + * + * Support for the PXA3xx Development Platform (aka Zylonite) + * + * Copyright (C) 2006 Marvell International Ltd. + * + * 2007-09-04: eric miao <eric.y.miao@gmail.com> + * rewrite to align with latest kernel + * + * 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/module.h> +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/platform_device.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/hardware.h> +#include <asm/arch/gpio.h> +#include <asm/arch/pxafb.h> +#include <asm/arch/zylonite.h> + +#include "generic.h" + +int gpio_backlight; +int gpio_eth_irq; + +int lcd_id; +int lcd_orientation; + +static struct resource smc91x_resources[] = { + [0] = { + .start = ZYLONITE_ETH_PHYS + 0x300, + .end = ZYLONITE_ETH_PHYS + 0xfffff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = -1, /* for run-time assignment */ + .end = -1, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; + +#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULES) +static void zylonite_backlight_power(int on) +{ + gpio_set_value(gpio_backlight, on); +} + +static struct pxafb_mode_info toshiba_ltm035a776c_mode = { + .pixclock = 110000, + .xres = 240, + .yres = 320, + .bpp = 16, + .hsync_len = 4, + .left_margin = 6, + .right_margin = 4, + .vsync_len = 2, + .upper_margin = 2, + .lower_margin = 3, + .sync = FB_SYNC_VERT_HIGH_ACT, +}; + +static struct pxafb_mode_info toshiba_ltm04c380k_mode = { + .pixclock = 50000, + .xres = 640, + .yres = 480, + .bpp = 16, + .hsync_len = 1, + .left_margin = 0x9f, + .right_margin = 1, + .vsync_len = 44, + .upper_margin = 0, + .lower_margin = 0, + .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, +}; + +static struct pxafb_mach_info zylonite_toshiba_lcd_info = { + .num_modes = 1, + .lccr0 = LCCR0_Act, + .lccr3 = LCCR3_PCP, + .pxafb_backlight_power = zylonite_backlight_power, +}; + +static struct pxafb_mode_info sharp_ls037_modes[] = { + [0] = { + .pixclock = 158000, + .xres = 240, + .yres = 320, + .bpp = 16, + .hsync_len = 4, + .left_margin = 39, + .right_margin = 39, + .vsync_len = 1, + .upper_margin = 2, + .lower_margin = 3, + .sync = 0, + }, + [1] = { + .pixclock = 39700, + .xres = 480, + .yres = 640, + .bpp = 16, + .hsync_len = 8, + .left_margin = 81, + .right_margin = 81, + .vsync_len = 1, + .upper_margin = 2, + .lower_margin = 7, + .sync = 0, + }, +}; + +static struct pxafb_mach_info zylonite_sharp_lcd_info = { + .modes = sharp_ls037_modes, + .num_modes = 2, + .lccr0 = LCCR0_Act, + .lccr3 = LCCR3_PCP | LCCR3_HSP | LCCR3_VSP, + .pxafb_backlight_power = zylonite_backlight_power, +}; + +static void __init zylonite_init_lcd(void) +{ + /* backlight GPIO: output, default on */ + gpio_direction_output(gpio_backlight, 1); + + if (lcd_id & 0x20) { + set_pxa_fb_info(&zylonite_sharp_lcd_info); + return; + } + + /* legacy LCD panels, it would be handy here if LCD panel type can + * be decided at run-time + */ + if (1) + zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode; + else + zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode; + + set_pxa_fb_info(&zylonite_toshiba_lcd_info); +} +#else +static inline void zylonite_init_lcd(void) {} +#endif + +static void __init zylonite_init(void) +{ + /* board-processor specific initialization */ + zylonite_pxa300_init(); + zylonite_pxa320_init(); + + /* + * Note: We depend that the bootloader set + * the correct value to MSC register for SMC91x. + */ + smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq); + smc91x_resources[1].end = gpio_to_irq(gpio_eth_irq); + platform_device_register(&smc91x_device); + + zylonite_init_lcd(); +} + +MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)") + .phys_io = 0x40000000, + .boot_params = 0xa0000100, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .map_io = pxa_map_io, + .init_irq = pxa3xx_init_irq, + .timer = &pxa_timer, + .init_machine = zylonite_init, +MACHINE_END |