mirror of https://gitee.com/openkylin/linux.git
221 lines
5.3 KiB
C
221 lines
5.3 KiB
C
/*
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* ezx.c - Common code for the EZX platform.
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*
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* Copyright (C) 2005-2006 Harald Welte <laforge@openezx.org>,
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* 2007-2008 Daniel Ribeiro <drwyrm@gmail.com>,
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* 2007-2008 Stefan Schmidt <stefan@datenfreihafen.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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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/platform_device.h>
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#include <linux/delay.h>
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#include <linux/pwm_backlight.h>
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#include <asm/setup.h>
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#include <mach/pxafb.h>
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#include <mach/ohci.h>
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#include <mach/i2c.h>
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#include <mach/mfp-pxa27x.h>
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#include <mach/pxa-regs.h>
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#include <mach/pxa2xx-regs.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include "devices.h"
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#include "generic.h"
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static struct platform_pwm_backlight_data ezx_backlight_data = {
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.pwm_id = 0,
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.max_brightness = 1023,
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.dft_brightness = 1023,
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.pwm_period_ns = 78770,
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};
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static struct platform_device ezx_backlight_device = {
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.name = "pwm-backlight",
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.dev = {
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.parent = &pxa27x_device_pwm0.dev,
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.platform_data = &ezx_backlight_data,
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},
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};
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static struct pxafb_mode_info mode_ezx_old = {
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.pixclock = 150000,
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.xres = 240,
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.yres = 320,
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.bpp = 16,
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.hsync_len = 10,
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.left_margin = 20,
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.right_margin = 10,
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.vsync_len = 2,
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.upper_margin = 3,
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.lower_margin = 2,
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.sync = 0,
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};
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static struct pxafb_mach_info ezx_fb_info_1 = {
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.modes = &mode_ezx_old,
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.num_modes = 1,
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.lcd_conn = LCD_COLOR_TFT_16BPP,
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};
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static struct pxafb_mode_info mode_72r89803y01 = {
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.pixclock = 192308,
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.xres = 240,
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.yres = 320,
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.bpp = 32,
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.depth = 18,
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.hsync_len = 10,
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.left_margin = 20,
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.right_margin = 10,
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.vsync_len = 2,
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.upper_margin = 3,
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.lower_margin = 2,
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.sync = 0,
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};
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static struct pxafb_mach_info ezx_fb_info_2 = {
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.modes = &mode_72r89803y01,
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.num_modes = 1,
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.lcd_conn = LCD_COLOR_TFT_18BPP,
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};
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static struct platform_device *devices[] __initdata = {
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&ezx_backlight_device,
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};
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static unsigned long ezx_pin_config[] __initdata = {
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/* PWM backlight */
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GPIO16_PWM0_OUT,
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/* BTUART */
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GPIO42_BTUART_RXD,
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GPIO43_BTUART_TXD,
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GPIO44_BTUART_CTS,
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GPIO45_BTUART_RTS,
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/* STUART */
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GPIO46_STUART_RXD,
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GPIO47_STUART_TXD,
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/* For A780 support (connected with Neptune GSM chip) */
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GPIO30_USB_P3_2, /* ICL_TXENB */
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GPIO31_USB_P3_6, /* ICL_VPOUT */
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GPIO90_USB_P3_5, /* ICL_VPIN */
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GPIO91_USB_P3_1, /* ICL_XRXD */
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GPIO56_USB_P3_4, /* ICL_VMOUT */
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GPIO113_USB_P3_3, /* /ICL_VMIN */
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};
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static void __init ezx_init(void)
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{
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pxa2xx_mfp_config(ARRAY_AND_SIZE(ezx_pin_config));
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pxa_set_i2c_info(NULL);
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if (machine_is_ezx_a780() || machine_is_ezx_e680())
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set_pxa_fb_info(&ezx_fb_info_1);
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else
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set_pxa_fb_info(&ezx_fb_info_2);
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platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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static void __init ezx_fixup(struct machine_desc *desc, struct tag *tags,
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char **cmdline, struct meminfo *mi)
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{
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/* We have two ram chips. First one with 32MB at 0xA0000000 and a second
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* 16MB one at 0xAC000000
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*/
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mi->nr_banks = 2;
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mi->bank[0].start = 0xa0000000;
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mi->bank[0].node = 0;
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mi->bank[0].size = (32*1024*1024);
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mi->bank[1].start = 0xac000000;
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mi->bank[1].node = 1;
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mi->bank[1].size = (16*1024*1024);
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}
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#ifdef CONFIG_MACH_EZX_A780
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MACHINE_START(EZX_A780, "Motorola EZX A780")
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.phys_io = 0x40000000,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.fixup = ezx_fixup,
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.boot_params = 0xa0000100,
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.map_io = pxa_map_io,
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.init_irq = pxa27x_init_irq,
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.timer = &pxa_timer,
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.init_machine = &ezx_init,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EZX_E680
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MACHINE_START(EZX_E680, "Motorola EZX E680")
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.phys_io = 0x40000000,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.fixup = ezx_fixup,
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.boot_params = 0xa0000100,
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.map_io = pxa_map_io,
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.init_irq = pxa27x_init_irq,
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.timer = &pxa_timer,
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.init_machine = &ezx_init,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EZX_A1200
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MACHINE_START(EZX_A1200, "Motorola EZX A1200")
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.phys_io = 0x40000000,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.fixup = ezx_fixup,
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.boot_params = 0xa0000100,
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.map_io = pxa_map_io,
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.init_irq = pxa27x_init_irq,
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.timer = &pxa_timer,
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.init_machine = &ezx_init,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EZX_A910
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MACHINE_START(EZX_A910, "Motorola EZX A910")
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.phys_io = 0x40000000,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.fixup = ezx_fixup,
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.boot_params = 0xa0000100,
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.map_io = pxa_map_io,
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.init_irq = pxa27x_init_irq,
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.timer = &pxa_timer,
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.init_machine = &ezx_init,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EZX_E6
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MACHINE_START(EZX_E6, "Motorola EZX E6")
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.phys_io = 0x40000000,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.fixup = ezx_fixup,
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.boot_params = 0xa0000100,
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.map_io = pxa_map_io,
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.init_irq = pxa27x_init_irq,
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.timer = &pxa_timer,
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.init_machine = &ezx_init,
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MACHINE_END
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#endif
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#ifdef CONFIG_MACH_EZX_E2
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MACHINE_START(EZX_E2, "Motorola EZX E2")
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.phys_io = 0x40000000,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.fixup = ezx_fixup,
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.boot_params = 0xa0000100,
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.map_io = pxa_map_io,
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.init_irq = pxa27x_init_irq,
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.timer = &pxa_timer,
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.init_machine = &ezx_init,
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MACHINE_END
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#endif
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