[ARM] 5162/1: Common code for the Motorola EZX GSM phones

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>

3 files changed, 257 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index faa2c3f6c1af..3818b4720221 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -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
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index c4dfbe87fc4e..1dded6499d0b 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -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
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
new file mode 100644
index 000000000000..0143eed65398
--- /dev/null
+++ b/arch/arm/mach-pxa/ezx.c
@@ -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