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[ARM] 5162/1: Common code for the Motorola EZX GSM phones
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Common code for the different EZX GSM phones. Functions to control framebuffer,
backlight power, OHCI and UART init.

Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Acked-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Stefan Schmidt authored and Russell King committed Jul 10, 2008
1 parent a5f426b commit 9ab24e4
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36 changes: 36 additions & 0 deletions arch/arm/mach-pxa/Kconfig
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Expand Up @@ -220,6 +220,42 @@ config PCM990_DISPLAY_NONE
endchoice


config PXA_EZX
bool "Motorola EZX Platform"
select PXA27x
select IWMMXT
select HAVE_PWM

config MACH_EZX_A780
bool "Motorola EZX A780"
default y
depends on PXA_EZX

config MACH_EZX_E680
bool "Motorola EZX E680"
default y
depends on PXA_EZX

config MACH_EZX_A1200
bool "Motorola EZX A1200"
default y
depends on PXA_EZX

config MACH_EZX_A910
bool "Motorola EZX A910"
default y
depends on PXA_EZX

config MACH_EZX_E6
bool "Motorola EZX E6"
default y
depends on PXA_EZX

config MACH_EZX_E2
bool "Motorola EZX E2"
default y
depends on PXA_EZX

endmenu

config PXA25x
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1 change: 1 addition & 0 deletions arch/arm/mach-pxa/Makefile
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Expand Up @@ -46,6 +46,7 @@ endif
obj-$(CONFIG_MACH_LITTLETON) += littleton.o

obj-$(CONFIG_MACH_ARMCORE) += cm-x270.o
obj-$(CONFIG_PXA_EZX) += ezx.o

# Support for blinky lights
led-y := leds.o
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220 changes: 220 additions & 0 deletions arch/arm/mach-pxa/ezx.c
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@@ -0,0 +1,220 @@
/*
* ezx.c - Common code for the EZX platform.
*
* Copyright (C) 2005-2006 Harald Welte <laforge@openezx.org>,
* 2007-2008 Daniel Ribeiro <drwyrm@gmail.com>,
* 2007-2008 Stefan Schmidt <stefan@datenfreihafen.org>
*
* 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/platform_device.h>
#include <linux/delay.h>
#include <linux/pwm_backlight.h>

#include <asm/setup.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/ohci.h>
#include <asm/arch/i2c.h>

#include <asm/arch/mfp-pxa27x.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa2xx-regs.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include "devices.h"
#include "generic.h"

static struct platform_pwm_backlight_data ezx_backlight_data = {
.pwm_id = 0,
.max_brightness = 1023,
.dft_brightness = 1023,
.pwm_period_ns = 78770,
};

static struct platform_device ezx_backlight_device = {
.name = "pwm-backlight",
.dev = {
.parent = &pxa27x_device_pwm0.dev,
.platform_data = &ezx_backlight_data,
},
};

static struct pxafb_mode_info mode_ezx_old = {
.pixclock = 150000,
.xres = 240,
.yres = 320,
.bpp = 16,
.hsync_len = 10,
.left_margin = 20,
.right_margin = 10,
.vsync_len = 2,
.upper_margin = 3,
.lower_margin = 2,
.sync = 0,
};

static struct pxafb_mach_info ezx_fb_info_1 = {
.modes = &mode_ezx_old,
.num_modes = 1,
.lcd_conn = LCD_COLOR_TFT_16BPP,
};

static struct pxafb_mode_info mode_72r89803y01 = {
.pixclock = 192308,
.xres = 240,
.yres = 320,
.bpp = 32,
.depth = 18,
.hsync_len = 10,
.left_margin = 20,
.right_margin = 10,
.vsync_len = 2,
.upper_margin = 3,
.lower_margin = 2,
.sync = 0,
};

static struct pxafb_mach_info ezx_fb_info_2 = {
.modes = &mode_72r89803y01,
.num_modes = 1,
.lcd_conn = LCD_COLOR_TFT_18BPP,
};

static struct platform_device *devices[] __initdata = {
&ezx_backlight_device,
};

static unsigned long ezx_pin_config[] __initdata = {
/* PWM backlight */
GPIO16_PWM0_OUT,

/* BTUART */
GPIO42_BTUART_RXD,
GPIO43_BTUART_TXD,
GPIO44_BTUART_CTS,
GPIO45_BTUART_RTS,

/* STUART */
GPIO46_STUART_RXD,
GPIO47_STUART_TXD,

/* For A780 support (connected with Neptune GSM chip) */
GPIO30_USB_P3_2, /* ICL_TXENB */
GPIO31_USB_P3_6, /* ICL_VPOUT */
GPIO90_USB_P3_5, /* ICL_VPIN */
GPIO91_USB_P3_1, /* ICL_XRXD */
GPIO56_USB_P3_4, /* ICL_VMOUT */
GPIO113_USB_P3_3, /* /ICL_VMIN */
};

static void __init ezx_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(ezx_pin_config));
pxa_set_i2c_info(NULL);
if (machine_is_ezx_a780() || machine_is_ezx_e680())
set_pxa_fb_info(&ezx_fb_info_1);
else
set_pxa_fb_info(&ezx_fb_info_2);

platform_add_devices(devices, ARRAY_SIZE(devices));
}

static void __init ezx_fixup(struct machine_desc *desc, struct tag *tags,
char **cmdline, struct meminfo *mi)
{
/* We have two ram chips. First one with 32MB at 0xA0000000 and a second
* 16MB one at 0xAC000000
*/
mi->nr_banks = 2;
mi->bank[0].start = 0xa0000000;
mi->bank[0].node = 0;
mi->bank[0].size = (32*1024*1024);
mi->bank[1].start = 0xac000000;
mi->bank[1].node = 1;
mi->bank[1].size = (16*1024*1024);
}

#ifdef CONFIG_MACH_EZX_A780
MACHINE_START(EZX_A780, "Motorola EZX A780")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = ezx_fixup,
.boot_params = 0xa0000100,
.map_io = pxa_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = &ezx_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EZX_E680
MACHINE_START(EZX_E680, "Motorola EZX E680")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = ezx_fixup,
.boot_params = 0xa0000100,
.map_io = pxa_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = &ezx_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EZX_A1200
MACHINE_START(EZX_A1200, "Motorola EZX A1200")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = ezx_fixup,
.boot_params = 0xa0000100,
.map_io = pxa_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = &ezx_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EZX_A910
MACHINE_START(EZX_A910, "Motorola EZX A910")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = ezx_fixup,
.boot_params = 0xa0000100,
.map_io = pxa_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = &ezx_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EZX_E6
MACHINE_START(EZX_E6, "Motorola EZX E6")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = ezx_fixup,
.boot_params = 0xa0000100,
.map_io = pxa_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = &ezx_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EZX_E2
MACHINE_START(EZX_E2, "Motorola EZX E2")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = ezx_fixup,
.boot_params = 0xa0000100,
.map_io = pxa_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = &ezx_init,
MACHINE_END
#endif

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