mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-09-18 19:35:32 +03:00
d4db749fd7
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19562 3c298f89-4303-0410-b956-a3cf2f4a3e73
838 lines
23 KiB
Diff
838 lines
23 KiB
Diff
From 4f4bb58cba3a6c44e9f9f113609287d9d50be9c4 Mon Sep 17 00:00:00 2001
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From: Joseph Kortje <jpktech@rogers.com>
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Date: Wed, 28 Oct 2009 21:11:28 -0400
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Subject: [PATCH] [ARM] Gumstix Verdex Pro arch support
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add an option for Verdex Pro when ARCH_GUMSTIX is selected, and
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factor earlier Gumstix support into a seperate option
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Signed-off-by: Bobby Powers <bobbypowers@gmail.com>
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---
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arch/arm/mach-pxa/Kconfig | 29 +-
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arch/arm/mach-pxa/Makefile | 3 +-
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arch/arm/mach-pxa/gumstix-verdex.c | 749 +++++++++++++++++++++++++++
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arch/arm/mach-pxa/include/mach/mfp-pxa27x.h | 1 +
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4 files changed, 772 insertions(+), 10 deletions(-)
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create mode 100644 arch/arm/mach-pxa/gumstix-verdex.c
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--- a/arch/arm/mach-pxa/Kconfig
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+++ b/arch/arm/mach-pxa/Kconfig
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@@ -32,23 +32,34 @@ endmenu
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endif
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config ARCH_GUMSTIX
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- bool "Gumstix XScale 255 boards"
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- select PXA25x
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+ bool "Gumstix boards"
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help
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- Say Y here if you intend to run this kernel on
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- Basix, Connex, ws-200ax, ws-400ax systems
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+ Say Y here if you intend to run this kernel on a
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+ gumstix computer.
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-choice
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- prompt "Gumstix Carrier/Expansion Board"
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depends on ARCH_GUMSTIX
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-config GUMSTIX_AM200EPD
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+config MACH_GUMSTIX_F
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+ bool "Gumstix Basix/Connex ..."
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+ depends on ARCH_GUMSTIX
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+ select PXA25x
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+
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+ choice
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+ prompt "Gumstix Carrier/Expansion Board"
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+ depends on MACH_GUMSTIX_F
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+
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+ config GUMSTIX_AM200EPD
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bool "Enable AM200EPD board support"
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-config GUMSTIX_AM300EPD
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+ config GUMSTIX_AM300EPD
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bool "Enable AM300EPD board support"
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-endchoice
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+ endchoice
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+
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+config MACH_GUMSTIX_VERDEX
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+ bool "Gumstix VERDEX ..."
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+ depends on ARCH_GUMSTIX
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+ select PXA27x
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config MACH_INTELMOTE2
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bool "Intel Mote 2 Platform"
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--- a/arch/arm/mach-pxa/Makefile
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+++ b/arch/arm/mach-pxa/Makefile
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@@ -25,7 +25,8 @@ obj-$(CONFIG_CPU_PXA320) += pxa320.o
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obj-$(CONFIG_CPU_PXA930) += pxa930.o
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# Specific board support
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-obj-$(CONFIG_ARCH_GUMSTIX) += gumstix.o
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+obj-$(CONFIG_MACH_GUMSTIX_F) += gumstix.o
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+obj-$(CONFIG_MACH_GUMSTIX_VERDEX) += gumstix-verdex.o
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obj-$(CONFIG_GUMSTIX_AM200EPD) += am200epd.o
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obj-$(CONFIG_GUMSTIX_AM300EPD) += am300epd.o
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obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
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--- /dev/null
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+++ b/arch/arm/mach-pxa/gumstix-verdex.c
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@@ -0,0 +1,749 @@
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+/*
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+ * linux/arch/arm/mach-pxa/gumstix-verdex.c
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+ *
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+ * Support for the Gumstix verdex motherboard.
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+ *
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+ * Original Author: Craig Hughes
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+ * Created: Feb 14, 2008
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+ * Copyright: Craig Hughes
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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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+ * Implemented based on lubbock.c by Nicolas Pitre and code from Craig
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+ * Hughes
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+ */
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+
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+#include <linux/module.h>
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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/interrupt.h>
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+#include <linux/mtd/mtd.h>
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+#include <linux/mtd/partitions.h>
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+#include <linux/i2c/tsc2007.h>
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+
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+#include <asm/setup.h>
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+#include <asm/memory.h>
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+#include <asm/mach-types.h>
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+#include <asm/irq.h>
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+#include <asm/sizes.h>
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+#include <asm/io.h>
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+
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+#include <asm/mach/arch.h>
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+#include <asm/mach/map.h>
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+#include <asm/mach/irq.h>
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+#include <asm/mach/flash.h>
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+
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+#include <mach/mmc.h>
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+#include <mach/udc.h>
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+#include <mach/pxafb.h>
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+#include <mach/ohci.h>
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+#include <plat/i2c.h>
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+#include <mach/pxa27x.h>
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+#include <mach/pxa27x-udc.h>
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+#include <mach/gpio.h>
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+
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+#include <mach/gumstix.h>
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+
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+#include "generic.h"
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+
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+#include <linux/delay.h>
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+
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+#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
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+
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+#include <linux/smsc911x.h>
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+
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+static struct resource verdex_smsc911x_resources[] = {
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+ [0] = {
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+ .name = "smsc911x-memory",
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+ .start = PXA_CS1_PHYS,
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+ .end = PXA_CS1_PHYS + 0x000fffff,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ [1] = {
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+ .start = IRQ_GPIO(GPIO_GUMSTIX_ETH0),
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+ .end = IRQ_GPIO(GPIO_GUMSTIX_ETH0),
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+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
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+ },
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+};
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+
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+static struct smsc911x_platform_config verdex_smsc911x_config = {
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+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
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+ .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
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+ .phy_interface = PHY_INTERFACE_MODE_MII,
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+};
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+
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+static struct platform_device verdex_smsc911x_device = {
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+ .name = "smsc911x",
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+ .id = -1,
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+ .num_resources = ARRAY_SIZE(verdex_smsc911x_resources),
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+ .resource = verdex_smsc911x_resources,
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+ .dev = {
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+ .platform_data = &verdex_smsc911x_config,
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+ },
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+};
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+
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+static void __init verdex_init_smsc911x(void)
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+{
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+
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+ printk(KERN_INFO "Initializing Gumstix verdex smsc911x\n");
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+
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+ if (gpio_request(GPIO_GUMSTIX_ETH0_RST, "SMSC911x_ETH0_RST") != 0) {
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+ printk(KERN_ERR "could not obtain gpio for SMSC911x_ETH0_RST\n");
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+ goto err_request_gpio_eth0_rst;
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+ }
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+
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+ if (gpio_request(GPIO_GUMSTIX_ETH0, "SMSC911x_ETH0_IRQ") != 0) {
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+ printk(KERN_ERR "could not obtain gpio for SMSC911x_ETH0_IRQ\n");
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+ goto err_request_gpio_eth0_irq;
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+ }
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+
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+ if (gpio_direction_output(GPIO_GUMSTIX_ETH0_RST, 0) != 0) {
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+ printk(KERN_ERR "could not set SMSC911x_ETH0_RST pin to output\n");
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+ goto err_dir;
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+ }
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+
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+ gpio_set_value(GPIO_GUMSTIX_ETH0_RST, 0);
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+
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+ msleep(500); // Hold RESET for at least 200ms
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+
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+ gpio_set_value(GPIO_GUMSTIX_ETH0_RST, 1);
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+
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+ msleep(50);
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+
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+ if (gpio_direction_input(GPIO_GUMSTIX_ETH0) != 0) {
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+ printk(KERN_ERR "could not set SMSC911x_ETH0_IRQ pin to input\n");
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+ goto err_dir;
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+ }
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+
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+ gpio_export(GPIO_GUMSTIX_ETH0, 0);
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+ platform_device_register(&verdex_smsc911x_device);
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+ return;
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+
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+err_dir:
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+ gpio_free(GPIO_GUMSTIX_ETH0_RST);
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+
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+err_request_gpio_eth0_irq:
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+ gpio_free(GPIO_GUMSTIX_ETH0);
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+
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+err_request_gpio_eth0_rst:
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+ return;
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+}
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+
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+#else
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+static void __init verdex_init_smsc911x(void) { return; }
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+#endif
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+
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+static unsigned long verdex_pin_config[] = {
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+ /* MMC */
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+ GPIO32_MMC_CLK,
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+ GPIO112_MMC_CMD,
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+ GPIO92_MMC_DAT_0,
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+ GPIO109_MMC_DAT_1,
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+ GPIO110_MMC_DAT_2,
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+ GPIO111_MMC_DAT_3,
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+
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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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+
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+ /* STUART */
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+ GPIO46_STUART_RXD,
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+ GPIO47_STUART_TXD,
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+
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+ /* FFUART */
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+ GPIO34_FFUART_RXD,
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+ GPIO39_FFUART_TXD,
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+
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+ /* SSP 2 */
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+ GPIO19_SSP2_SCLK,
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+ GPIO14_SSP2_SFRM,
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+ GPIO13_SSP2_TXD,
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+ GPIO11_SSP2_RXD,
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+
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+ /* SDRAM and local bus */
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+ GPIO49_nPWE,
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+ GPIO15_nCS_1,
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+
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+ /* I2C */
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+ GPIO117_I2C_SCL,
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+ GPIO118_I2C_SDA,
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+
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+ /* PWM 0 */
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+ GPIO16_PWM0_OUT,
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+
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+ /* BRIGHTNESS */
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+ GPIO17_PWM1_OUT,
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+
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+ /* LCD */
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+ GPIO58_LCD_LDD_0,
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+ GPIO59_LCD_LDD_1,
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+ GPIO60_LCD_LDD_2,
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+ GPIO61_LCD_LDD_3,
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+ GPIO62_LCD_LDD_4,
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+ GPIO63_LCD_LDD_5,
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+ GPIO64_LCD_LDD_6,
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+ GPIO65_LCD_LDD_7,
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+ GPIO66_LCD_LDD_8,
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+ GPIO67_LCD_LDD_9,
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+ GPIO68_LCD_LDD_10,
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+ GPIO69_LCD_LDD_11,
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+ GPIO70_LCD_LDD_12,
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+ GPIO71_LCD_LDD_13,
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+ GPIO72_LCD_LDD_14,
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+ GPIO73_LCD_LDD_15,
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+ GPIO74_LCD_FCLK,
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+ GPIO75_LCD_LCLK,
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+ GPIO76_LCD_PCLK,
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+#ifdef CONFIG_FB_PXA_SHARP_LQ043_PSP
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+ /* DISP must be always high while screen is on */
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+ /* Done below in verdex_init */
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+#else
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+ GPIO77_LCD_BIAS,
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+#endif
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+
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+};
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+
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+#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
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+
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+static unsigned long gpio_ntschg_0[] = {
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+ GPIO104_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_nCD_0_MD);
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+};
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+
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+static unsigned long gpio_ntschg_1[] = {
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+ GPIO18_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_nSTSCHG_1_MD);
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+ GPIO36_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_nCD_1_MD);
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+ GPIO27_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_1_MD);
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+};
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+
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+static unsigned long gpio_prdy_nbsy_old[] = {
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+ GPIO111_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_nSTSCHG_0_MD);
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+ GPIO109_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_0_OLD_MD);
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+};
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+
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+static unsigned long gpio_prdy_nbsy[] = {
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+ GPIO96_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_0_MD);
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+};
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+
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+static unsigned long gpio_nhw_init[] = {
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+ GPIO48_nPOE, // pxa_gpio_mode(GPIO_GUMSTIX_nPOE_MD);
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+ GPIO102_nPCE_1, // pxa_gpio_mode(GPIO_GUMSTIX_nPCE_1_MD);
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+ GPIO105_nPCE_2, // pxa_gpio_mode(GPIO_GUMSTIX_nPCE_2_MD);
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+ GPIO104_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_nCD_0_MD);
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+
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+ GPIO49_nPWE, // pxa_gpio_mode(GPIO_GUMSTIX_nPWE_MD);
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+ GPIO50_nPIOR, // pxa_gpio_mode(GPIO_GUMSTIX_nPIOR_MD);
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+ GPIO51_nPIOW, // pxa_gpio_mode(GPIO_GUMSTIX_nPIOW_MD);
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+ GPIO79_PSKTSEL, // pxa_gpio_mode(GPIO_GUMSTIX_pSKTSEL_MD);
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+ GPIO55_nPREG, // pxa_gpio_mode(GPIO_GUMSTIX_nPREG_MD);
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+ GPIO56_nPWAIT, // pxa_gpio_mode(GPIO_GUMSTIX_nPWAIT_MD);
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+ GPIO57_nIOIS16, // pxa_gpio_mode(GPIO_GUMSTIX_nIOIS16_MD);
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+};
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+
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+static int net_cf_vx_mode = 0;
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+static int pcmcia_cf_nr = 2;
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+
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+inline void __init gumstix_pcmcia_cpld_clk(void)
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+{
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+ GPCR(GPIO_GUMSTIX_nPOE) = GPIO_bit(GPIO_GUMSTIX_nPOE);
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+ GPSR(GPIO_GUMSTIX_nPOE) = GPIO_bit(GPIO_GUMSTIX_nPOE);
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+}
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+
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+inline unsigned char __init gumstix_pcmcia_cpld_read_bits(int bits)
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+{
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+ unsigned char result = 0;
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+ unsigned int shift = 0;
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+ while(bits--)
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+ {
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+ result |= !!(GPLR(GPIO_GUMSTIX_nCD_0) & GPIO_bit(GPIO_GUMSTIX_nCD_0)) << shift;
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+ shift ++;
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+ gumstix_pcmcia_cpld_clk();
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+ }
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+ printk("CPLD responded with: %02x\n",result);
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+ return result;
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+}
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+
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+/* We use the CPLD on the CF-CF card to read a value from a shift register. If we can read that
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+ * magic sequence, then we have 2 CF cards; otherwise we assume just one
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+ * The CPLD will send the value of the shift register on GPIO11 (the CD line for slot 0)
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+ * when RESET is held in reset. We use GPIO48 (nPOE) as a clock signal,
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+ * GPIO52/53 (card enable for both cards) to control read/write to the shift register
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+ */
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+static void __init gumstix_count_cards(void)
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+{
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+
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+ if ((gpio_request(GPIO_GUMSTIX_nPOE, "GPIO_GUMSTIX_nPOE") == 0) &&
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+ (gpio_direction_output(GPIO_GUMSTIX_nPOE, 1) == 0))
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+ gpio_export(GPIO_GUMSTIX_nPOE, 0);
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+ else
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+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nPOE\n");
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+
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+ if ((gpio_request(GPIO_GUMSTIX_nPCE_1, "GPIO_GUMSTIX_nPCE_1") == 0) &&
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+ (gpio_direction_output(GPIO_GUMSTIX_nPCE_1, 1) == 0))
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+ gpio_export(GPIO_GUMSTIX_nPCE_1, 0);
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+ else
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+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nPCE_1\n");
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+
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+ if ((gpio_request(GPIO_GUMSTIX_nPCE_2, "GPIO_GUMSTIX_nPCE_2") == 0) &&
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+ (gpio_direction_output(GPIO_GUMSTIX_nPCE_2, 1) == 0))
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+ gpio_export(GPIO_GUMSTIX_nPCE_2, 0);
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+ else
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+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nPCE_2\n");
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+
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+ if ((gpio_request(GPIO_GUMSTIX_nCD_0, "GPIO_GUMSTIX_nCD_0") == 0) &&
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+ (gpio_direction_input(GPIO_GUMSTIX_nCD_0) == 0))
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+ gpio_export(GPIO_GUMSTIX_nCD_0, 0);
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+ else
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+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nCD_0\n");
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+
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+ if (net_cf_vx_mode) {
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+ if ((gpio_request(GPIO_GUMSTIX_CF_OLD_RESET, "GPIO_GUMSTIX_CF_OLD_RESET") == 0) &&
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+ (gpio_direction_output(GPIO_GUMSTIX_CF_OLD_RESET, 1) == 0)) {
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+ gpio_export(GPIO_GUMSTIX_CF_OLD_RESET, 0);
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+ } else {
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+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_CF_OLD_RESET\n");
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+ }
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+ } else {
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+ if ((gpio_request(GPIO_GUMSTIX_CF_RESET, "GPIO_GUMSTIX_CF_RESET") == 0) &&
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+ (gpio_direction_output(GPIO_GUMSTIX_CF_RESET, 1) == 0)) {
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+ gpio_export(GPIO_GUMSTIX_CF_RESET, 0);
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+ } else {
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+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_CF_RESET\n");
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+ }
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+ }
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+
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+ // Setup the shift register
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+ GPSR(GPIO_GUMSTIX_nPCE_1) = GPIO_bit(GPIO_GUMSTIX_nPCE_1);
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+ GPCR(GPIO_GUMSTIX_nPCE_2) = GPIO_bit(GPIO_GUMSTIX_nPCE_2);
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+
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+ // Tick the clock to program the shift register
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+ gumstix_pcmcia_cpld_clk();
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+
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+ // Now set shift register into read mode
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+ GPCR(GPIO_GUMSTIX_nPCE_1) = GPIO_bit(GPIO_GUMSTIX_nPCE_1);
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+ GPSR(GPIO_GUMSTIX_nPCE_2) = GPIO_bit(GPIO_GUMSTIX_nPCE_2);
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|
+
|
|
+ // We can read the bits now -- 0xC2 means "Dual compact flash"
|
|
+ if(gumstix_pcmcia_cpld_read_bits(8) != 0xC2)
|
|
+ {
|
|
+ // We do not have 2 CF slots
|
|
+ pcmcia_cf_nr = 1;
|
|
+ }
|
|
+
|
|
+ udelay(50);
|
|
+
|
|
+ if (net_cf_vx_mode) {
|
|
+ gpio_set_value(GPIO_GUMSTIX_CF_OLD_RESET, 0);
|
|
+ gpio_free(GPIO_GUMSTIX_CF_OLD_RESET);
|
|
+ } else {
|
|
+ gpio_set_value(GPIO_GUMSTIX_CF_RESET, 0);
|
|
+ gpio_free(GPIO_GUMSTIX_CF_RESET);
|
|
+ }
|
|
+
|
|
+ printk(KERN_INFO "found %d CF slots\n", pcmcia_cf_nr);
|
|
+
|
|
+ gpio_free(GPIO_GUMSTIX_nPCE_2);
|
|
+ gpio_free(GPIO_GUMSTIX_nPCE_1);
|
|
+ gpio_free(GPIO_GUMSTIX_nPOE);
|
|
+ return;
|
|
+}
|
|
+
|
|
+#define SMC_IO_EXTENT 16
|
|
+#define BANK_SELECT 14
|
|
+
|
|
+static void __init verdex_pcmcia_pin_config(void)
|
|
+{
|
|
+ struct resource *res;
|
|
+ void *network_controller_memory;
|
|
+ struct platform_device *pdev = &verdex_smsc911x_device;
|
|
+
|
|
+ printk(KERN_INFO "Initializing Gumstix verdex pcmcia\n");
|
|
+
|
|
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
+ if (res == NULL) {
|
|
+ printk(KERN_ERR "no memory resource defined\n");
|
|
+ goto err_done;
|
|
+ }
|
|
+
|
|
+ res = request_mem_region(res->start, SMC_IO_EXTENT, "smc91x probe");
|
|
+ if (res == NULL) {
|
|
+ printk(KERN_ERR "failed to request memory resource\n");
|
|
+ goto err_done;
|
|
+ }
|
|
+
|
|
+ // We check for the possibility of SMSC91c111 (reg base offset 0x300 from CS1 base)
|
|
+ network_controller_memory = ioremap(res->start + 0x300, SMC_IO_EXTENT);
|
|
+ if (network_controller_memory == NULL) {
|
|
+ printk(KERN_ERR "failed to ioremap() registers\n");
|
|
+ goto err_free_mem;
|
|
+ }
|
|
+
|
|
+ // Look for the special 91c111 value in the bank select register
|
|
+ if((0xff00 & readw(network_controller_memory+BANK_SELECT)) == 0x3300) {
|
|
+ printk(KERN_INFO "Detected netCF-vx board: pcmcia using older GPIO configuration\n");
|
|
+ net_cf_vx_mode = 1;
|
|
+ } else {
|
|
+ printk(KERN_INFO "Not netCF-vx board: pcmcia using newer GPIO configuration\n");
|
|
+ net_cf_vx_mode = 0;
|
|
+ }
|
|
+
|
|
+ iounmap(network_controller_memory);
|
|
+err_free_mem:
|
|
+ release_mem_region(res->start, SMC_IO_EXTENT);
|
|
+err_done:
|
|
+
|
|
+ gumstix_count_cards(); // this can update pcmcia_cf_nr
|
|
+
|
|
+ // If pcmcia_cf_nr is 1 then we do not have 2 CF slots
|
|
+ // Note: logic sequence was altered from previous kernel revs
|
|
+ // so that this works as intended now.
|
|
+ if (pcmcia_cf_nr != 0)
|
|
+ {
|
|
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(gpio_ntschg_0));
|
|
+
|
|
+ if(net_cf_vx_mode)
|
|
+ pxa2xx_mfp_config(gpio_prdy_nbsy_old, 1);
|
|
+ else
|
|
+ pxa2xx_mfp_config(gpio_prdy_nbsy, 1);
|
|
+
|
|
+ } else {
|
|
+ // Note: this reconfigures pin GPIO18 to be GPIO-IN so make
|
|
+ // sure that this only gets done for the old dual slot board
|
|
+ // since that pin is an active AF1 out-mode signal (RDY) on
|
|
+ // newer boards and changing the pin mode on the newer boards
|
|
+ // would result in memory corruption for the NIC (and hang during
|
|
+ // PHY test).
|
|
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(gpio_ntschg_1));
|
|
+ }
|
|
+
|
|
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(gpio_nhw_init));
|
|
+ return;
|
|
+}
|
|
+
|
|
+int __init gumstix_get_cf_cards(void)
|
|
+{
|
|
+ return pcmcia_cf_nr;
|
|
+}
|
|
+EXPORT_SYMBOL(gumstix_get_cf_cards);
|
|
+
|
|
+#ifdef CONFIG_MACH_GUMSTIX_VERDEX
|
|
+int __init gumstix_check_if_netCF_vx(void)
|
|
+{
|
|
+ return net_cf_vx_mode;
|
|
+}
|
|
+EXPORT_SYMBOL(gumstix_check_if_netCF_vx);
|
|
+#endif
|
|
+
|
|
+#endif
|
|
+
|
|
+#if defined(CONFIG_FB_PXA_SHARP_LQ043_PSP) || defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
|
|
+static void gumstix_lcd_backlight(int on_or_off)
|
|
+{
|
|
+ int err;
|
|
+ err = gpio_request(17, "LCD BACKLIGHT");
|
|
+ if (err) {
|
|
+ //pr_warning("Gumstix Verdex: Failed to request LCD Backlight gpio\n");
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ if(on_or_off) {
|
|
+ gpio_direction_input(17);
|
|
+ } else {
|
|
+ GPCR(17) = GPIO_bit(17);
|
|
+ gpio_direction_output(17, 0);
|
|
+ GPCR(17) = GPIO_bit(17);
|
|
+ }
|
|
+
|
|
+ return;
|
|
+}
|
|
+#endif
|
|
+
|
|
+#ifdef CONFIG_FB_PXA_ALPS_CDOLLAR
|
|
+static struct pxafb_mode_info gumstix_fb_mode = {
|
|
+ .pixclock = 300000,
|
|
+ .xres = 240,
|
|
+ .yres = 320,
|
|
+ .bpp = 16,
|
|
+ .hsync_len = 2,
|
|
+ .left_margin = 1,
|
|
+ .right_margin = 1,
|
|
+ .vsync_len = 3,
|
|
+ .upper_margin = 0,
|
|
+ .lower_margin = 0,
|
|
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
+};
|
|
+
|
|
+static struct pxafb_mach_info gumstix_fb_info = {
|
|
+ .modes = &gumstix_fb_mode,
|
|
+ .num_modes = 1,
|
|
+ .lccr0 = LCCR0_Pas | LCCR0_Sngl | LCCR0_Color,
|
|
+ .lccr3 = LCCR3_PixFlEdg,
|
|
+};
|
|
+#elif defined(CONFIG_FB_PXA_SHARP_LQ043_PSP)
|
|
+static struct pxafb_mode_info gumstix_fb_mode = {
|
|
+ .pixclock = 110000,
|
|
+ .xres = 480,
|
|
+ .yres = 272,
|
|
+ .bpp = 16,
|
|
+ .hsync_len = 41,
|
|
+ .left_margin = 2,
|
|
+ .right_margin = 2,
|
|
+ .vsync_len = 10,
|
|
+ .upper_margin = 2,
|
|
+ .lower_margin = 2,
|
|
+ .sync = 0, // Hsync and Vsync both active low
|
|
+};
|
|
+
|
|
+static struct pxafb_mach_info gumstix_fb_info = {
|
|
+ .modes = &gumstix_fb_mode,
|
|
+ .num_modes = 1,
|
|
+ .lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
|
|
+ .lccr3 = LCCR3_OutEnH | LCCR3_PixFlEdg | (0 << 30),
|
|
+ .pxafb_backlight_power = &gumstix_lcd_backlight,
|
|
+};
|
|
+#elif defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
|
|
+static struct pxafb_mode_info gumstix_fb_mode = {
|
|
+ .pixclock = 108696, // 9.2MHz typical DOTCLK from datasheet
|
|
+ .xres = 480,
|
|
+ .hsync_len = 41, // HLW from datasheet: 41 typ
|
|
+ .left_margin = 4, // HBP - HLW from datasheet: 45 - 41 = 4
|
|
+ .right_margin = 8, // HFP from datasheet: 8 typ
|
|
+ .yres = 272,
|
|
+ .vsync_len = 10, // VLW from datasheet: 10 typ
|
|
+ .upper_margin = 2, // VBP - VLW from datasheet: 12 - 10 = 2
|
|
+ .lower_margin = 4, // VFP from datasheet: 4 typ
|
|
+ .bpp = 16,
|
|
+ .sync = 0, // Hsync and Vsync both active low
|
|
+};
|
|
+
|
|
+static struct pxafb_mach_info gumstix_fb_info = {
|
|
+ .modes = &gumstix_fb_mode,
|
|
+ .num_modes = 1,
|
|
+ .lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
|
|
+ .lccr3 = LCCR3_OutEnH | LCCR3_PixFlEdg | (0 << 30),
|
|
+ .pxafb_backlight_power = &gumstix_lcd_backlight,
|
|
+};
|
|
+#endif
|
|
+
|
|
+static struct platform_device verdex_audio_device = {
|
|
+ .name = "pxa2xx-ac97",
|
|
+ .id = -1,
|
|
+};
|
|
+
|
|
+static struct platform_device *devices[] __initdata = {
|
|
+ &verdex_audio_device,
|
|
+};
|
|
+
|
|
+/* PXA27x OHCI controller setup */
|
|
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
|
|
+static int ohci_verdex_init(struct device *dev)
|
|
+{
|
|
+ // Turn on port 2 in host mode
|
|
+ UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
|
|
+
|
|
+ /* See drivers/usb/host/ohci-pxa27x.c for further details but
|
|
+ ENABLE_PORT_ALL flag is equivalent to using this old sequence:
|
|
+ UHCHR = (UHCHR) &
|
|
+ ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
|
|
+ */
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct pxaohci_platform_data verdex_ohci_platform_data = {
|
|
+ .port_mode = PMM_PERPORT_MODE,
|
|
+ .flags = ENABLE_PORT_ALL,
|
|
+ .init = ohci_verdex_init,
|
|
+};
|
|
+
|
|
+static void __init verdex_ohci_init(void)
|
|
+{
|
|
+ pxa_set_ohci_info(&verdex_ohci_platform_data);
|
|
+}
|
|
+#else
|
|
+static void __init verdex_ohci_init(void) {
|
|
+ printk(KERN_INFO "Gumstix verdex host usb ohci is disabled\n");
|
|
+}
|
|
+#endif
|
|
+
|
|
+
|
|
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
|
|
+static struct pxamci_platform_data verdex_mci_platform_data;
|
|
+
|
|
+static int verdex_mci_init(struct device *dev, irq_handler_t detect_int,
|
|
+ void *data)
|
|
+{
|
|
+ /* GPIO setup for MMC on the 120-pin connector is done in verdex_init.
|
|
+ * There is no card detect on a uSD connector so no interrupt to register.
|
|
+ * There is no WP detect GPIO line either.
|
|
+ */
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct pxamci_platform_data verdex_mci_platform_data = {
|
|
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
|
|
+ .init = verdex_mci_init,
|
|
+};
|
|
+
|
|
+static void __init verdex_mmc_init(void)
|
|
+{
|
|
+ pxa_set_mci_info(&verdex_mci_platform_data);
|
|
+}
|
|
+#else
|
|
+static void __init verdex_mmc_init(void)
|
|
+{
|
|
+ printk(KERN_INFO "Gumstix verdex mmc disabled\n");
|
|
+}
|
|
+#endif
|
|
+
|
|
+#if defined(CONFIG_USB_GADGET_PXA2XX) || defined(CONFIG_USB_GADGET_PXA2XX_MODULE)
|
|
+static struct pxa2xx_udc_mach_info verdex_udc_info __initdata = {
|
|
+ .gpio_vbus = GPIO35,
|
|
+ .gpio_pullup = GPIO41,
|
|
+};
|
|
+
|
|
+static void __init verdex_udc_init(void)
|
|
+{
|
|
+ pxa_set_udc_info(&verdex_udc_info);
|
|
+}
|
|
+#else
|
|
+static void __init verdex_udc_init(void)
|
|
+{
|
|
+ printk(KERN_INFO "Gumstix verdex udc is disabled\n");
|
|
+}
|
|
+#endif
|
|
+
|
|
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
+
|
|
+#if defined(CONFIG_TOUCHSCREEN_TSC2003) || defined(CONFIG_TOUCHSCREEN_TSC2003_MODULE)
|
|
+
|
|
+#define VERDEX_GPIO_PENDOWN 16
|
|
+
|
|
+static int tsc2003_init_platform_hw(void)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void tsc2003_exit_platform_hw(void)
|
|
+{
|
|
+ return;
|
|
+}
|
|
+
|
|
+static void tsc2003_clear_penirq(void)
|
|
+{
|
|
+ return;
|
|
+}
|
|
+
|
|
+static int tsc2003_get_pendown_state(void)
|
|
+{
|
|
+ return !gpio_get_value(VERDEX_GPIO_PENDOWN);
|
|
+}
|
|
+
|
|
+static struct tsc2007_platform_data tsc2003_config = {
|
|
+ .model = 2003,
|
|
+ .x_plate_ohms = 100,
|
|
+ .get_pendown_state = tsc2003_get_pendown_state,
|
|
+ .clear_penirq = tsc2003_clear_penirq,
|
|
+ .init_platform_hw = tsc2003_init_platform_hw,
|
|
+ .exit_platform_hw = tsc2003_exit_platform_hw,
|
|
+};
|
|
+#endif
|
|
+
|
|
+static struct i2c_board_info __initdata verdex_i2c_board_info[] = {
|
|
+#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
|
|
+
|
|
+ {
|
|
+ I2C_BOARD_INFO("rtc-ds1307", 0x68),
|
|
+ },
|
|
+#endif
|
|
+#if defined(CONFIG_TOUCHSCREEN_TSC2003) || defined(CONFIG_TOUCHSCREEN_TSC2003_MODULE)
|
|
+ {
|
|
+ I2C_BOARD_INFO("tsc2003", 0x48),
|
|
+ .platform_data = &tsc2003_config,
|
|
+ .irq = IRQ_GPIO(VERDEX_GPIO_PENDOWN),
|
|
+ },
|
|
+#endif
|
|
+};
|
|
+
|
|
+static struct i2c_pxa_platform_data verdex_i2c_pwr_info = {
|
|
+ .fast_mode = 1,
|
|
+};
|
|
+
|
|
+static struct i2c_pxa_platform_data verdex_i2c_info = {
|
|
+ .fast_mode = 1,
|
|
+};
|
|
+
|
|
+static void __init verdex_i2c_init(void)
|
|
+{
|
|
+ printk(KERN_INFO "Initializing Gumstix verdex i2c\n");
|
|
+
|
|
+#if defined(CONFIG_TOUCHSCREEN_TSC2003) || defined(CONFIG_TOUCHSCREEN_TSC2003_MODULE)
|
|
+ if ((gpio_request(VERDEX_GPIO_PENDOWN, "TSC2003_PENDOWN") == 0) &&
|
|
+ (gpio_direction_input(VERDEX_GPIO_PENDOWN) == 0)) {
|
|
+ gpio_export(VERDEX_GPIO_PENDOWN, 0);
|
|
+ } else {
|
|
+ printk(KERN_ERR "could not obtain gpio for TSC2003_PENDOWN\n");
|
|
+ return;
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ i2c_register_board_info(0, verdex_i2c_board_info,
|
|
+ ARRAY_SIZE(verdex_i2c_board_info));
|
|
+ pxa_set_i2c_info(&verdex_i2c_info);
|
|
+ pxa27x_set_i2c_power_info(&verdex_i2c_pwr_info);
|
|
+}
|
|
+#else
|
|
+static inline void verdex_i2c_init(void) {}
|
|
+#endif
|
|
+
|
|
+#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
|
|
+static void __init verdex_pcmcia_init(void)
|
|
+{
|
|
+ verdex_pcmcia_pin_config();
|
|
+}
|
|
+#else
|
|
+static void __init verdex_pcmcia_init(void) {
|
|
+ printk(KERN_INFO "Gumstix verdex pcmcia is disabled\n");
|
|
+}
|
|
+#endif
|
|
+
|
|
+
|
|
+static void __init verdex_init(void)
|
|
+{
|
|
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(verdex_pin_config));
|
|
+
|
|
+#ifdef CONFIG_FB_PXA_SHARP_LQ043_PSP
|
|
+ /* DISP must be always high while screen is on */
|
|
+ gpio_direction_output(GPIO77, 0);
|
|
+ GPSR(GPIO77) = GPIO_bit(GPIO77);
|
|
+#endif
|
|
+ verdex_udc_init();
|
|
+ verdex_mmc_init();
|
|
+ verdex_ohci_init();
|
|
+ verdex_i2c_init();
|
|
+ verdex_init_smsc911x();
|
|
+ verdex_pcmcia_init();
|
|
+
|
|
+#if defined(CONFIG_FB_PXA_ALPS_CDOLLAR) || defined(CONFIG_FB_PXA_SHARP_LQ043_PSP) || defined(CONFIG_FB_PXA_SAMSUNG_LTE430WQ_F0C)
|
|
+ printk(KERN_INFO "Initializing Gumstix verdex FB info\n");
|
|
+ set_pxa_fb_info(&gumstix_fb_info);
|
|
+#endif
|
|
+ printk(KERN_INFO "Initializing Gumstix platform_add_devices\n");
|
|
+ (void) platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
+}
|
|
+
|
|
+MACHINE_START(GUMSTIX, "Gumstix verdex")
|
|
+ .phys_io = 0x40000000,
|
|
+ .boot_params = 0xa0000100, /* match u-boot bi_boot_params */
|
|
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
+ .map_io = pxa_map_io,
|
|
+ .init_irq = pxa27x_init_irq,
|
|
+ .timer = &pxa_timer,
|
|
+ .init_machine = verdex_init,
|
|
+MACHINE_END
|
|
+
|
|
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
|
|
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
|
|
@@ -109,6 +109,7 @@
|
|
#define GPIO54_nPCE_2 MFP_CFG_OUT(GPIO54, AF2, DRIVE_HIGH)
|
|
#define GPIO78_nPCE_2 MFP_CFG_OUT(GPIO78, AF1, DRIVE_HIGH)
|
|
#define GPIO87_nPCE_2 MFP_CFG_IN(GPIO87, AF1)
|
|
+#define GPIO105_nPCE_2 MFP_CFG_OUT(GPIO105, AF1, DRIVE_HIGH)
|
|
#define GPIO55_nPREG MFP_CFG_OUT(GPIO55, AF2, DRIVE_HIGH)
|
|
#define GPIO50_nPIOR MFP_CFG_OUT(GPIO50, AF2, DRIVE_HIGH)
|
|
#define GPIO51_nPIOW MFP_CFG_OUT(GPIO51, AF2, DRIVE_HIGH)
|