[ARM] 4867/1: Adds flash, udc, mci support for gumstix F boards

This patch implements support for Gumstix-F flash, udc and mci. Fixes since the last time are:
- Steve Sakoman as maintainer
- cleanup for udc and mci setup

Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 96 insertions, 0 deletions

diff --git a/include/asm-arm/arch-pxa/gumstix.h b/include/asm-arm/arch-pxa/gumstix.h
new file mode 100644
index 000000000000..6fa85c4f94f8
--- /dev/null
+++ b/include/asm-arm/arch-pxa/gumstix.h
@@ -0,0 +1,96 @@
+/*
+ *  linux/include/asm-arm/arch-pxa/gumstix.h
+ *
+ * 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.
+ */
+
+
+/* BTRESET - Reset line to Bluetooth module, active low signal. */
+#define GPIO_GUMSTIX_BTRESET          7
+#define GPIO_GUMSTIX_BTRESET_MD         (GPIO_GUMSTIX_BTRESET | GPIO_OUT)
+
+
+/*
+GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean
+interrupt signal for determining cable presence. On the original gumstix,
+this is GPIO81, and GPIO83 needs to be defined as well. On the gumstix F,
+this moves to GPIO17 and GPIO37. */
+
+/* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn
+has detected a cable insertion; driven low otherwise. */
+
+#ifdef CONFIG_ARCH_GUMSTIX_ORIG
+
+#define GPIO_GUMSTIX_USB_GPIOn          81
+#define GPIO_GUMSTIX_USB_GPIOx          83
+
+#else
+
+#define GPIO_GUMSTIX_USB_GPIOn          35
+#define GPIO_GUMSTIX_USB_GPIOx          41
+
+#endif
+
+/* usb state change */
+#define GUMSTIX_USB_INTR_IRQ            IRQ_GPIO(GPIO_GUMSTIX_USB_GPIOn)
+
+#define GPIO_GUMSTIX_USB_GPIOn_MD       (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN)
+#define GPIO_GUMSTIX_USB_GPIOx_CON_MD   (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT)
+#define GPIO_GUMSTIX_USB_GPIOx_DIS_MD   (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN)
+
+/*
+ * SD/MMC definitions
+ */
+#define GUMSTIX_GPIO_nSD_WP             22 /* SD Write Protect */
+#define GUMSTIX_GPIO_nSD_DETECT         11 /* MMC/SD Card Detect */
+#define GUMSTIX_IRQ_GPIO_nSD_DETECT     IRQ_GPIO(GUMSTIX_GPIO_nSD_DETECT)
+
+/*
+ * SMC Ethernet definitions
+ * ETH_RST provides a hardware reset line to the ethernet chip
+ * ETH is the IRQ line in from the ethernet chip to the PXA
+ */
+#define GPIO_GUMSTIX_ETH0_RST           80
+#define GPIO_GUMSTIX_ETH0_RST_MD        (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT)
+#define GPIO_GUMSTIX_ETH1_RST           52
+#define GPIO_GUMSTIX_ETH1_RST_MD        (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT)
+
+#define GPIO_GUMSTIX_ETH0               36
+#define GPIO_GUMSTIX_ETH0_MD            (GPIO_GUMSTIX_ETH0 | GPIO_IN)
+#define GUMSTIX_ETH0_IRQ                IRQ_GPIO(GPIO_GUMSTIX_ETH0)
+#define GPIO_GUMSTIX_ETH1               27
+#define GPIO_GUMSTIX_ETH1_MD            (GPIO_GUMSTIX_ETH1 | GPIO_IN)
+#define GUMSTIX_ETH1_IRQ                IRQ_GPIO(GPIO_GUMSTIX_ETH1)
+
+
+/* CF reset line */
+#define GPIO8_RESET                     8
+
+/* CF slot 0 */
+#define GPIO4_nBVD1                     4
+#define GPIO4_nSTSCHG                   GPIO4_nBVD1
+#define GPIO11_nCD                      11
+#define GPIO26_PRDY_nBSY                26
+#define GUMSTIX_S0_nSTSCHG_IRQ          IRQ_GPIO(GPIO4_nSTSCHG)
+#define GUMSTIX_S0_nCD_IRQ              IRQ_GPIO(GPIO11_nCD)
+#define GUMSTIX_S0_PRDY_nBSY_IRQ        IRQ_GPIO(GPIO26_PRDY_nBSY)
+
+/* CF slot 1 */
+#define GPIO18_nBVD1                    18
+#define GPIO18_nSTSCHG                  GPIO18_nBVD1
+#define GPIO36_nCD                      36
+#define GPIO27_PRDY_nBSY                27
+#define GUMSTIX_S1_nSTSCHG_IRQ          IRQ_GPIO(GPIO18_nSTSCHG)
+#define GUMSTIX_S1_nCD_IRQ              IRQ_GPIO(GPIO36_nCD)
+#define GUMSTIX_S1_PRDY_nBSY_IRQ        IRQ_GPIO(GPIO27_PRDY_nBSY)
+
+/* CF GPIO line modes */
+#define GPIO4_nSTSCHG_MD                (GPIO4_nSTSCHG | GPIO_IN)
+#define GPIO8_RESET_MD                  (GPIO8_RESET | GPIO_OUT)
+#define GPIO11_nCD_MD                   (GPIO11_nCD | GPIO_IN)
+#define GPIO18_nSTSCHG_MD               (GPIO18_nSTSCHG | GPIO_IN)
+#define GPIO26_PRDY_nBSY_MD             (GPIO26_PRDY_nBSY | GPIO_IN)
+#define GPIO27_PRDY_nBSY_MD             (GPIO27_PRDY_nBSY | GPIO_IN)
+#define GPIO36_nCD_MD                   (GPIO36_nCD | GPIO_IN)