mirror
/
openwrt
mirror of https://git.openwrt.org/openwrt/openwrt.git
1
0
Fork 0
Code Releases Activity
openwrt/target/linux/pxa/patches-3.3/001-gumstix_verdex_pro_arch...

882 lines
24 KiB
Diff
Raw Blame History

From 4f4bb58cba3a6c44e9f9f113609287d9d50be9c4 Mon Sep 17 00:00:00 2001
From: Joseph Kortje <jpktech@rogers.com>
Date: Wed, 28 Oct 2009 21:11:28 -0400
Subject: [PATCH] [ARM] Gumstix Verdex Pro arch support
add an option for Verdex Pro when ARCH_GUMSTIX is selected, and
factor earlier Gumstix support into a seperate option
Signed-off-by: Bobby Powers <bobbypowers@gmail.com>
---
arch/arm/mach-pxa/Kconfig | 29 +-
arch/arm/mach-pxa/Makefile | 3 +-
arch/arm/mach-pxa/gumstix-verdex.c | 749 +++++++++++++++++++++++++++
arch/arm/mach-pxa/include/mach/mfp-pxa27x.h | 1 +
4 files changed, 772 insertions(+), 10 deletions(-)
create mode 100644 arch/arm/mach-pxa/gumstix-verdex.c
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -134,23 +134,34 @@ config MACH_CAPC7117
select PXA3xx
config ARCH_GUMSTIX
- bool "Gumstix XScale 255 boards"
- select PXA25x
+ bool "Gumstix boards"
help
- Say Y here if you intend to run this kernel on
- Basix, Connex, ws-200ax, ws-400ax systems
+ Say Y here if you intend to run this kernel on a
+ gumstix computer.
-choice
- prompt "Gumstix Carrier/Expansion Board"
depends on ARCH_GUMSTIX
-config GUMSTIX_AM200EPD
+config MACH_GUMSTIX_F
+ bool "Gumstix Basix/Connex ..."
+ depends on ARCH_GUMSTIX
+ select PXA25x
+
+ choice
+ prompt "Gumstix Carrier/Expansion Board"
+ depends on MACH_GUMSTIX_F
+
+ config GUMSTIX_AM200EPD
bool "Enable AM200EPD board support"
-config GUMSTIX_AM300EPD
+ config GUMSTIX_AM300EPD
bool "Enable AM300EPD board support"
-endchoice
+ endchoice
+
+config MACH_GUMSTIX_VERDEX
+ bool "Gumstix VERDEX ..."
+ depends on ARCH_GUMSTIX
+ select PXA27x
config MACH_INTELMOTE2
bool "Intel Mote 2 Platform"
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -51,7 +51,8 @@ endif
obj-$(CONFIG_MACH_EM_X270) += em-x270.o
obj-$(CONFIG_MACH_CM_X300) += cm-x300.o
obj-$(CONFIG_MACH_CAPC7117) += capc7117.o mxm8x10.o
-obj-$(CONFIG_ARCH_GUMSTIX) += gumstix.o
+obj-$(CONFIG_MACH_GUMSTIX_F) += gumstix.o
+obj-$(CONFIG_MACH_GUMSTIX_VERDEX) += gumstix-verdex.o
obj-$(CONFIG_GUMSTIX_AM200EPD) += am200epd.o
obj-$(CONFIG_GUMSTIX_AM300EPD) += am300epd.o
obj-$(CONFIG_MACH_INTELMOTE2) += stargate2.o
--- /dev/null
+++ b/arch/arm/mach-pxa/gumstix-verdex.c
@@ -0,0 +1,793 @@
+/*
+ * linux/arch/arm/mach-pxa/gumstix-verdex.c
+ *
+ * Support for the Gumstix verdex motherboard.
+ *
+ * Original Author: Craig Hughes
+ * Created: Feb 14, 2008
+ * Copyright: Craig Hughes
+ *
+ * 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.
+ *
+ * Implemented based on lubbock.c by Nicolas Pitre and code from Craig
+ * Hughes
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/i2c/tsc2007.h>
+#include <linux/i2c/pxa-i2c.h>
+#include <linux/gpio.h>
+
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <asm/sizes.h>
+#include <asm/io.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/flash.h>
+
+#include <mach/mmc.h>
+#include <mach/udc.h>
+#include <mach/pxafb.h>
+#include <mach/ohci.h>
+#include <mach/pxa27x.h>
+#include <mach/pxa27x-udc.h>
+#include <mach/gpio.h>
+
+#include <mach/gumstix.h>
+
+#include "generic.h"
+
+#include <linux/delay.h>
+
+static struct resource flash_resource = {
+ .start = 0x00000000,
+ .end = SZ_64M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct mtd_partition gumstix_partitions[] = {
+ {
+ .name = "u-boot",
+ .size = 0x00040000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE /* force read-only */
+ } , {
+ .name = "rootfs",
+ .size = 0x01ec0000,
+ .offset = 0x00040000
+ } , {
+ .name = "kernel",
+ .size = 0x00100000,
+ .offset = 0x01f00000
+ }
+};
+
+static struct flash_platform_data gumstix_flash_data = {
+ .map_name = "cfi_probe",
+ .parts = gumstix_partitions,
+ .nr_parts = ARRAY_SIZE(gumstix_partitions),
+ .width = 2,
+};
+
+static struct platform_device gumstix_flash_device = {
+ .name = "pxa2xx-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &gumstix_flash_data,
+ },
+ .resource = &flash_resource,
+ .num_resources = 1,
+};
+
+#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) \
+ || defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
+
+#include <linux/smsc911x.h>
+
+static struct resource verdex_smsc911x_resources[] = {
+ [0] = {
+ .name = "smsc911x-memory",
+ .start = PXA_CS1_PHYS,
+ .end = PXA_CS1_PHYS + 0x000fffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH0),
+ .end = PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH0),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
+ },
+};
+
+static struct smsc911x_platform_config verdex_smsc911x_config = {
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+ .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
+ .phy_interface = PHY_INTERFACE_MODE_MII,
+};
+
+static struct platform_device verdex_smsc911x_device = {
+ .name = "smsc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(verdex_smsc911x_resources),
+ .resource = verdex_smsc911x_resources,
+ .dev = {
+ .platform_data = &verdex_smsc911x_config,
+ },
+};
+#endif
+
+#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
+static void __init verdex_init_smsc911x(void)
+{
+
+ printk(KERN_INFO "Initializing Gumstix verdex smsc911x\n");
+
+ if (gpio_request(GPIO_GUMSTIX_ETH0_RST, "SMSC911x_ETH0_RST") != 0) {
+ printk(KERN_ERR "could not obtain gpio for SMSC911x_ETH0_RST\n");
+ goto err_request_gpio_eth0_rst;
+ }
+
+ if (gpio_request(GPIO_GUMSTIX_ETH0, "SMSC911x_ETH0_IRQ") != 0) {
+ printk(KERN_ERR "could not obtain gpio for SMSC911x_ETH0_IRQ\n");
+ goto err_request_gpio_eth0_irq;
+ }
+
+ if (gpio_direction_output(GPIO_GUMSTIX_ETH0_RST, 0) != 0) {
+ printk(KERN_ERR "could not set SMSC911x_ETH0_RST pin to output\n");
+ goto err_dir;
+ }
+
+ gpio_set_value(GPIO_GUMSTIX_ETH0_RST, 0);
+
+ msleep(500); // Hold RESET for at least 200ms
+
+ gpio_set_value(GPIO_GUMSTIX_ETH0_RST, 1);
+
+ msleep(50);
+
+ if (gpio_direction_input(GPIO_GUMSTIX_ETH0) != 0) {
+ printk(KERN_ERR "could not set SMSC911x_ETH0_IRQ pin to input\n");
+ goto err_dir;
+ }
+
+ gpio_export(GPIO_GUMSTIX_ETH0, 0);
+ platform_device_register(&verdex_smsc911x_device);
+ return;
+
+err_dir:
+ gpio_free(GPIO_GUMSTIX_ETH0_RST);
+
+err_request_gpio_eth0_irq:
+ gpio_free(GPIO_GUMSTIX_ETH0);
+
+err_request_gpio_eth0_rst:
+ return;
+}
+
+#else
+static void __init verdex_init_smsc911x(void) { return; }
+#endif
+
+static unsigned long verdex_pin_config[] = {
+ /* MMC */
+ GPIO32_MMC_CLK,
+ GPIO112_MMC_CMD,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+
+ /* BTUART */
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD,
+ GPIO44_BTUART_CTS,
+ GPIO45_BTUART_RTS,
+
+ /* STUART */
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+
+ /* FFUART */
+ GPIO34_FFUART_RXD,
+ GPIO39_FFUART_TXD,
+
+ /* SSP 2 */
+ GPIO19_SSP2_SCLK,
+ GPIO14_SSP2_SFRM,
+ GPIO13_SSP2_TXD,
+ GPIO11_SSP2_RXD,
+
+ /* SDRAM and local bus */
+ GPIO49_nPWE,
+ GPIO15_nCS_1,
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+
+ /* PWM 0 */
+ GPIO16_PWM0_OUT,
+
+ /* BRIGHTNESS */
+ GPIO17_PWM1_OUT,
+
+ /* LCD */
+ GPIO58_LCD_LDD_0,
+ GPIO59_LCD_LDD_1,
+ GPIO60_LCD_LDD_2,
+ GPIO61_LCD_LDD_3,
+ GPIO62_LCD_LDD_4,
+ GPIO63_LCD_LDD_5,
+ GPIO64_LCD_LDD_6,
+ GPIO65_LCD_LDD_7,
+ GPIO66_LCD_LDD_8,
+ GPIO67_LCD_LDD_9,
+ GPIO68_LCD_LDD_10,
+ GPIO69_LCD_LDD_11,
+ GPIO70_LCD_LDD_12,
+ GPIO71_LCD_LDD_13,
+ GPIO72_LCD_LDD_14,
+ GPIO73_LCD_LDD_15,
+ GPIO74_LCD_FCLK,
+ GPIO75_LCD_LCLK,
+ GPIO76_LCD_PCLK,
+#ifdef CONFIG_FB_PXA_SHARP_LQ043_PSP
+ /* DISP must be always high while screen is on */
+ /* Done below in verdex_init */
+#else
+ GPIO77_LCD_BIAS,
+#endif
+};
+
+#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
+
+static unsigned long gpio_ntschg_0[] = {
+ GPIO104_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_nCD_0_MD);
+};
+
+static unsigned long gpio_ntschg_1[] = {
+ GPIO18_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_nSTSCHG_1_MD);
+ GPIO36_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_nCD_1_MD);
+ GPIO27_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_1_MD);
+};
+
+static unsigned long gpio_prdy_nbsy_old[] = {
+ GPIO111_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_nSTSCHG_0_MD);
+ GPIO109_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_0_OLD_MD);
+};
+
+static unsigned long gpio_prdy_nbsy[] = {
+ GPIO96_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_PRDY_nBSY_0_MD);
+};
+
+static unsigned long gpio_nhw_init[] = {
+ GPIO48_nPOE, // pxa_gpio_mode(GPIO_GUMSTIX_nPOE_MD);
+ GPIO102_nPCE_1, // pxa_gpio_mode(GPIO_GUMSTIX_nPCE_1_MD);
+ GPIO105_nPCE_2, // pxa_gpio_mode(GPIO_GUMSTIX_nPCE_2_MD);
+ GPIO104_GPIO, // pxa_gpio_mode(GPIO_GUMSTIX_nCD_0_MD);
+
+ GPIO49_nPWE, // pxa_gpio_mode(GPIO_GUMSTIX_nPWE_MD);
+ GPIO50_nPIOR, // pxa_gpio_mode(GPIO_GUMSTIX_nPIOR_MD);
+ GPIO51_nPIOW, // pxa_gpio_mode(GPIO_GUMSTIX_nPIOW_MD);
+ GPIO79_PSKTSEL, // pxa_gpio_mode(GPIO_GUMSTIX_pSKTSEL_MD);
+ GPIO55_nPREG, // pxa_gpio_mode(GPIO_GUMSTIX_nPREG_MD);
+ GPIO56_nPWAIT, // pxa_gpio_mode(GPIO_GUMSTIX_nPWAIT_MD);
+ GPIO57_nIOIS16, // pxa_gpio_mode(GPIO_GUMSTIX_nIOIS16_MD);
+};
+
+static int net_cf_vx_mode = 0;
+static int pcmcia_cf_nr = 2;
+
+inline void __init gumstix_pcmcia_cpld_clk(void)
+{
+ GPCR(GPIO_GUMSTIX_nPOE) = GPIO_bit(GPIO_GUMSTIX_nPOE);
+ GPSR(GPIO_GUMSTIX_nPOE) = GPIO_bit(GPIO_GUMSTIX_nPOE);
+}
+
+inline unsigned char __init gumstix_pcmcia_cpld_read_bits(int bits)
+{
+ unsigned char result = 0;
+ unsigned int shift = 0;
+ while(bits--)
+ {
+ result |= !!(GPLR(GPIO_GUMSTIX_nCD_0) & GPIO_bit(GPIO_GUMSTIX_nCD_0)) << shift;
+ shift ++;
+ gumstix_pcmcia_cpld_clk();
+ }
+ printk("CPLD responded with: %02x\n",result);
+ return result;
+}
+
+/* We use the CPLD on the CF-CF card to read a value from a shift register. If we can read that
+ * magic sequence, then we have 2 CF cards; otherwise we assume just one
+ * The CPLD will send the value of the shift register on GPIO11 (the CD line for slot 0)
+ * when RESET is held in reset. We use GPIO48 (nPOE) as a clock signal,
+ * GPIO52/53 (card enable for both cards) to control read/write to the shift register
+ */
+static void __init gumstix_count_cards(void)
+{
+ if ((gpio_request(GPIO_GUMSTIX_nPOE, "GPIO_GUMSTIX_nPOE") == 0) &&
+ (gpio_direction_output(GPIO_GUMSTIX_nPOE, 1) == 0))
+ gpio_export(GPIO_GUMSTIX_nPOE, 0);
+ else
+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nPOE\n");
+
+ if ((gpio_request(GPIO_GUMSTIX_nPCE_1, "GPIO_GUMSTIX_nPCE_1") == 0) &&
+ (gpio_direction_output(GPIO_GUMSTIX_nPCE_1, 1) == 0))
+ gpio_export(GPIO_GUMSTIX_nPCE_1, 0);
+ else
+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nPCE_1\n");
+
+ if ((gpio_request(GPIO_GUMSTIX_nPCE_2, "GPIO_GUMSTIX_nPCE_2") == 0) &&
+ (gpio_direction_output(GPIO_GUMSTIX_nPCE_2, 1) == 0))
+ gpio_export(GPIO_GUMSTIX_nPCE_2, 0);
+ else
+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nPCE_2\n");
+
+ if ((gpio_request(GPIO_GUMSTIX_nCD_0, "GPIO_GUMSTIX_nCD_0") == 0) &&
+ (gpio_direction_input(GPIO_GUMSTIX_nCD_0) == 0))
+ gpio_export(GPIO_GUMSTIX_nCD_0, 0);
+ else
+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_nCD_0\n");
+
+ if (net_cf_vx_mode) {
+ if ((gpio_request(GPIO_GUMSTIX_CF_OLD_RESET, "GPIO_GUMSTIX_CF_OLD_RESET") == 0) &&
+ (gpio_direction_output(GPIO_GUMSTIX_CF_OLD_RESET, 1) == 0)) {
+ gpio_export(GPIO_GUMSTIX_CF_OLD_RESET, 0);
+ } else {
+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_CF_OLD_RESET\n");
+ }
+ } else {
+ if ((gpio_request(GPIO_GUMSTIX_CF_RESET, "GPIO_GUMSTIX_CF_RESET") == 0) &&
+ (gpio_direction_output(GPIO_GUMSTIX_CF_RESET, 1) == 0)) {
+ gpio_export(GPIO_GUMSTIX_CF_RESET, 0);
+ } else {
+ printk(KERN_ERR "could not obtain gpio for GPIO_GUMSTIX_CF_RESET\n");
+ }
+ }
+
+ // Setup the shift register
+ GPSR(GPIO_GUMSTIX_nPCE_1) = GPIO_bit(GPIO_GUMSTIX_nPCE_1);
+ GPCR(GPIO_GUMSTIX_nPCE_2) = GPIO_bit(GPIO_GUMSTIX_nPCE_2);
+
+ // Tick the clock to program the shift register
+ gumstix_pcmcia_cpld_clk();
+
+ // Now set shift register into read mode
+ GPCR(GPIO_GUMSTIX_nPCE_1) = GPIO_bit(GPIO_GUMSTIX_nPCE_1);
+ GPSR(GPIO_GUMSTIX_nPCE_2) = GPIO_bit(GPIO_GUMSTIX_nPCE_2);
+
+ // 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 = {
+ &gumstix_flash_device,
+ &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,
+ .gpio_card_detect = -1,
+ .gpio_card_ro = -1,
+ .gpio_power = -1,
+};
+
+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")
+ .atag_offset = 0x100, /* match u-boot bi_boot_params */
+ .map_io = pxa27x_map_io,
+ .init_irq = pxa27x_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .timer = &pxa_timer,
+ .init_machine = verdex_init,
+ .restart = pxa_restart,
+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)
View Git Blame Copy Permalink