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authorEric Miao <eric.miao@marvell.com>2009-03-09 21:21:07 +0800
committerEric Miao <eric.miao@marvell.com>2009-03-09 21:21:07 +0800
commitabcea2c322cef559ef2f108b4763d107a5ccc37f (patch)
tree5fec7fec372f9bdb70703f6c77bfc49cda945442 /arch/arm/mach-pxa
parent8118aea23c328fd4913b325af53fda9d530b1d56 (diff)
parent6d831c6554e4f95083919914955a1a3a4a6acfa9 (diff)
Merge branch 'devel' of ssh://master.kernel.org/home/rmk/linux-2.6-arm into devel
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r--arch/arm/mach-pxa/Kconfig8
-rw-r--r--arch/arm/mach-pxa/Makefile2
-rw-r--r--arch/arm/mach-pxa/am300epd.c295
-rw-r--r--arch/arm/mach-pxa/gumstix.c6
-rw-r--r--arch/arm/mach-pxa/himalaya.c168
-rw-r--r--arch/arm/mach-pxa/include/mach/gumstix.h1
6 files changed, 480 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index ffd28e48d75..04d1a07ced7 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -40,6 +40,9 @@ choice
config GUMSTIX_AM200EPD
bool "Enable AM200EPD board support"
+config GUMSTIX_AM300EPD
+ bool "Enable AM300EPD board support"
+
endchoice
config MACH_INTELMOTE2
@@ -302,6 +305,11 @@ config MACH_MAGICIAN
select HAVE_PWM
select PXA_HAVE_BOARD_IRQS
+config MACH_HIMALAYA
+ bool "HTC Himalaya Support"
+ select CPU_PXA26x
+ select FB_W100
+
config MACH_MIOA701
bool "Mitac Mio A701 Support"
select PXA27x
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 146aba72fa2..361fcfa7531 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -28,6 +28,7 @@ obj-$(CONFIG_CPU_PXA930) += pxa930.o
# Specific board support
obj-$(CONFIG_ARCH_GUMSTIX) += gumstix.o
obj-$(CONFIG_GUMSTIX_AM200EPD) += am200epd.o
+obj-$(CONFIG_GUMSTIX_AM300EPD) += am300epd.o
obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
@@ -45,6 +46,7 @@ obj-$(CONFIG_MACH_PCM990_BASEBOARD) += pcm990-baseboard.o
obj-$(CONFIG_MACH_TOSA) += tosa.o
obj-$(CONFIG_MACH_EM_X270) += em-x270.o
obj-$(CONFIG_MACH_MAGICIAN) += magician.o
+obj-$(CONFIG_MACH_HIMALAYA) += himalaya.o
obj-$(CONFIG_MACH_MIOA701) += mioa701.o mioa701_bootresume.o
obj-$(CONFIG_ARCH_PXA_ESERIES) += eseries.o
obj-$(CONFIG_MACH_E330) += e330.o
diff --git a/arch/arm/mach-pxa/am300epd.c b/arch/arm/mach-pxa/am300epd.c
new file mode 100644
index 00000000000..4bd10a17332
--- /dev/null
+++ b/arch/arm/mach-pxa/am300epd.c
@@ -0,0 +1,295 @@
+/*
+ * am300epd.c -- Platform device for AM300 EPD kit
+ *
+ * Copyright (C) 2008, Jaya Kumar
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ *
+ * This work was made possible by help and equipment support from E-Ink
+ * Corporation. http://support.eink.com/community
+ *
+ * This driver is written to be used with the Broadsheet display controller.
+ * on the AM300 EPD prototype kit/development kit with an E-Ink 800x600
+ * Vizplex EPD on a Gumstix board using the Broadsheet interface board.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+
+#include <mach/gumstix.h>
+#include <mach/mfp-pxa25x.h>
+#include <mach/pxafb.h>
+
+#include "generic.h"
+
+#include <video/broadsheetfb.h>
+
+static unsigned int panel_type = 6;
+static struct platform_device *am300_device;
+static struct broadsheet_board am300_board;
+
+static unsigned long am300_pin_config[] __initdata = {
+ GPIO16_GPIO,
+ GPIO17_GPIO,
+ GPIO32_GPIO,
+ GPIO48_GPIO,
+ GPIO49_GPIO,
+ GPIO51_GPIO,
+ GPIO74_GPIO,
+ GPIO75_GPIO,
+ GPIO76_GPIO,
+ GPIO77_GPIO,
+
+ /* this is the 16-bit hdb bus 58-73 */
+ GPIO58_GPIO,
+ GPIO59_GPIO,
+ GPIO60_GPIO,
+ GPIO61_GPIO,
+
+ GPIO62_GPIO,
+ GPIO63_GPIO,
+ GPIO64_GPIO,
+ GPIO65_GPIO,
+
+ GPIO66_GPIO,
+ GPIO67_GPIO,
+ GPIO68_GPIO,
+ GPIO69_GPIO,
+
+ GPIO70_GPIO,
+ GPIO71_GPIO,
+ GPIO72_GPIO,
+ GPIO73_GPIO,
+};
+
+/* register offsets for gpio control */
+#define PWR_GPIO_PIN 16
+#define CFG_GPIO_PIN 17
+#define RDY_GPIO_PIN 32
+#define DC_GPIO_PIN 48
+#define RST_GPIO_PIN 49
+#define LED_GPIO_PIN 51
+#define RD_GPIO_PIN 74
+#define WR_GPIO_PIN 75
+#define CS_GPIO_PIN 76
+#define IRQ_GPIO_PIN 77
+
+/* hdb bus */
+#define DB0_GPIO_PIN 58
+#define DB15_GPIO_PIN 73
+
+static int gpios[] = { PWR_GPIO_PIN, CFG_GPIO_PIN, RDY_GPIO_PIN, DC_GPIO_PIN,
+ RST_GPIO_PIN, RD_GPIO_PIN, WR_GPIO_PIN, CS_GPIO_PIN,
+ IRQ_GPIO_PIN, LED_GPIO_PIN };
+static char *gpio_names[] = { "PWR", "CFG", "RDY", "DC", "RST", "RD", "WR",
+ "CS", "IRQ", "LED" };
+
+static int am300_wait_event(struct broadsheetfb_par *par)
+{
+ /* todo: improve err recovery */
+ wait_event(par->waitq, gpio_get_value(RDY_GPIO_PIN));
+ return 0;
+}
+
+static int am300_init_gpio_regs(struct broadsheetfb_par *par)
+{
+ int i;
+ int err;
+ char dbname[8];
+
+ for (i = 0; i < ARRAY_SIZE(gpios); i++) {
+ err = gpio_request(gpios[i], gpio_names[i]);
+ if (err) {
+ dev_err(&am300_device->dev, "failed requesting "
+ "gpio %s, err=%d\n", gpio_names[i], err);
+ goto err_req_gpio;
+ }
+ }
+
+ /* we also need to take care of the hdb bus */
+ for (i = DB0_GPIO_PIN; i <= DB15_GPIO_PIN; i++) {
+ sprintf(dbname, "DB%d", i);
+ err = gpio_request(i, dbname);
+ if (err) {
+ dev_err(&am300_device->dev, "failed requesting "
+ "gpio %d, err=%d\n", i, err);
+ while (i >= DB0_GPIO_PIN)
+ gpio_free(i--);
+ i = ARRAY_SIZE(gpios) - 1;
+ goto err_req_gpio;
+ }
+ }
+
+ /* setup the outputs and init values */
+ gpio_direction_output(PWR_GPIO_PIN, 0);
+ gpio_direction_output(CFG_GPIO_PIN, 1);
+ gpio_direction_output(DC_GPIO_PIN, 0);
+ gpio_direction_output(RD_GPIO_PIN, 1);
+ gpio_direction_output(WR_GPIO_PIN, 1);
+ gpio_direction_output(CS_GPIO_PIN, 1);
+ gpio_direction_output(RST_GPIO_PIN, 0);
+
+ /* setup the inputs */
+ gpio_direction_input(RDY_GPIO_PIN);
+ gpio_direction_input(IRQ_GPIO_PIN);
+
+ /* start the hdb bus as an input */
+ for (i = DB0_GPIO_PIN; i <= DB15_GPIO_PIN; i++)
+ gpio_direction_output(i, 0);
+
+ /* go into command mode */
+ gpio_set_value(CFG_GPIO_PIN, 1);
+ gpio_set_value(RST_GPIO_PIN, 0);
+ msleep(10);
+ gpio_set_value(RST_GPIO_PIN, 1);
+ msleep(10);
+ am300_wait_event(par);
+
+ return 0;
+
+err_req_gpio:
+ while (i > 0)
+ gpio_free(gpios[i--]);
+
+ return err;
+}
+
+static int am300_init_board(struct broadsheetfb_par *par)
+{
+ return am300_init_gpio_regs(par);
+}
+
+static void am300_cleanup(struct broadsheetfb_par *par)
+{
+ int i;
+
+ free_irq(IRQ_GPIO(RDY_GPIO_PIN), par);
+
+ for (i = 0; i < ARRAY_SIZE(gpios); i++)
+ gpio_free(gpios[i]);
+
+ for (i = DB0_GPIO_PIN; i <= DB15_GPIO_PIN; i++)
+ gpio_free(i);
+
+}
+
+static u16 am300_get_hdb(struct broadsheetfb_par *par)
+{
+ u16 res = 0;
+ int i;
+
+ for (i = 0; i <= (DB15_GPIO_PIN - DB0_GPIO_PIN) ; i++)
+ res |= (gpio_get_value(DB0_GPIO_PIN + i)) ? (1 << i) : 0;
+
+ return res;
+}
+
+static void am300_set_hdb(struct broadsheetfb_par *par, u16 data)
+{
+ int i;
+
+ for (i = 0; i <= (DB15_GPIO_PIN - DB0_GPIO_PIN) ; i++)
+ gpio_set_value(DB0_GPIO_PIN + i, (data >> i) & 0x01);
+}
+
+
+static void am300_set_ctl(struct broadsheetfb_par *par, unsigned char bit,
+ u8 state)
+{
+ switch (bit) {
+ case BS_CS:
+ gpio_set_value(CS_GPIO_PIN, state);
+ break;
+ case BS_DC:
+ gpio_set_value(DC_GPIO_PIN, state);
+ break;
+ case BS_WR:
+ gpio_set_value(WR_GPIO_PIN, state);
+ break;
+ }
+}
+
+static int am300_get_panel_type(void)
+{
+ return panel_type;
+}
+
+static irqreturn_t am300_handle_irq(int irq, void *dev_id)
+{
+ struct broadsheetfb_par *par = dev_id;
+
+ wake_up(&par->waitq);
+ return IRQ_HANDLED;
+}
+
+static int am300_setup_irq(struct fb_info *info)
+{
+ int ret;
+ struct broadsheetfb_par *par = info->par;
+
+ ret = request_irq(IRQ_GPIO(RDY_GPIO_PIN), am300_handle_irq,
+ IRQF_DISABLED|IRQF_TRIGGER_RISING,
+ "AM300", par);
+ if (ret)
+ dev_err(&am300_device->dev, "request_irq failed: %d\n", ret);
+
+ return ret;
+}
+
+static struct broadsheet_board am300_board = {
+ .owner = THIS_MODULE,
+ .init = am300_init_board,
+ .cleanup = am300_cleanup,
+ .set_hdb = am300_set_hdb,
+ .get_hdb = am300_get_hdb,
+ .set_ctl = am300_set_ctl,
+ .wait_for_rdy = am300_wait_event,
+ .get_panel_type = am300_get_panel_type,
+ .setup_irq = am300_setup_irq,
+};
+
+int __init am300_init(void)
+{
+ int ret;
+
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(am300_pin_config));
+
+ /* request our platform independent driver */
+ request_module("broadsheetfb");
+
+ am300_device = platform_device_alloc("broadsheetfb", -1);
+ if (!am300_device)
+ return -ENOMEM;
+
+ /* the am300_board that will be seen by broadsheetfb is a copy */
+ platform_device_add_data(am300_device, &am300_board,
+ sizeof(am300_board));
+
+ ret = platform_device_add(am300_device);
+
+ if (ret) {
+ platform_device_put(am300_device);
+ return ret;
+ }
+
+ return 0;
+}
+
+module_param(panel_type, uint, 0);
+MODULE_PARM_DESC(panel_type, "Select the panel type: 6, 8, 97");
+
+MODULE_DESCRIPTION("board driver for am300 epd kit");
+MODULE_AUTHOR("Jaya Kumar");
+MODULE_LICENSE("GPL");
diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c
index e296ce11658..9cb4a074d9f 100644
--- a/arch/arm/mach-pxa/gumstix.c
+++ b/arch/arm/mach-pxa/gumstix.c
@@ -191,6 +191,11 @@ int __attribute__((weak)) am200_init(void)
return 0;
}
+int __attribute__((weak)) am300_init(void)
+{
+ return 0;
+}
+
static void __init carrier_board_init(void)
{
/*
@@ -198,6 +203,7 @@ static void __init carrier_board_init(void)
* they cannot be detected programatically
*/
am200_init();
+ am300_init();
}
static void __init gumstix_init(void)
diff --git a/arch/arm/mach-pxa/himalaya.c b/arch/arm/mach-pxa/himalaya.c
new file mode 100644
index 00000000000..00884e5a604
--- /dev/null
+++ b/arch/arm/mach-pxa/himalaya.c
@@ -0,0 +1,168 @@
+/*
+ * 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>
+ *
+ * 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/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 <mach/mfp-pxa25x.h>
+#include <mach/hardware.h>
+#include <mach/pxa-regs.h>
+#include <mach/pxa2xx-regs.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)
+{
+ himalaya_lcd_init();
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+
+MACHINE_START(HIMALAYA, "HTC Himalaya")
+ .phys_io = 0x40000000,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .boot_params = 0xa0000100,
+ .map_io = pxa_map_io,
+ .init_irq = pxa25x_init_irq,
+ .init_machine = himalaya_init,
+ .timer = &pxa_timer,
+MACHINE_END
diff --git a/arch/arm/mach-pxa/include/mach/gumstix.h b/arch/arm/mach-pxa/include/mach/gumstix.h
index 099f54a41de..06abd416060 100644
--- a/arch/arm/mach-pxa/include/mach/gumstix.h
+++ b/arch/arm/mach-pxa/include/mach/gumstix.h
@@ -97,4 +97,5 @@ has detected a cable insertion; driven low otherwise. */
/* for expansion boards that can't be programatically detected */
extern int am200_init(void);
+extern int am300_init(void);