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-rw-r--r--target/linux/pxa/patches/005-verdex_pcmcia_support.patch234
1 files changed, 234 insertions, 0 deletions
diff --git a/target/linux/pxa/patches/005-verdex_pcmcia_support.patch b/target/linux/pxa/patches/005-verdex_pcmcia_support.patch
new file mode 100644
index 0000000000..ca50022c67
--- /dev/null
+++ b/target/linux/pxa/patches/005-verdex_pcmcia_support.patch
@@ -0,0 +1,234 @@
+From 76a102bd5c9d792db19c6c72eafdecea0311a0c9 Mon Sep 17 00:00:00 2001
+From: Craig Hughes <craig@gumstix.com>
+Date: Fri, 30 Oct 2009 14:16:27 -0400
+Subject: [PATCH] [ARM] pxa: Gumstix Verdex PCMCIA support
+
+Needed for the Libertas CS wireless device.
+
+Signed-off-by: Bobby Powers <bobbypowers@gmail.com>
+---
+ drivers/pcmcia/Kconfig | 3 +-
+ drivers/pcmcia/Makefile | 3 +
+ drivers/pcmcia/pxa2xx_gumstix.c | 194 +++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 199 insertions(+), 1 deletions(-)
+ create mode 100644 drivers/pcmcia/pxa2xx_gumstix.c
+
+--- a/drivers/pcmcia/Kconfig
++++ b/drivers/pcmcia/Kconfig
+@@ -221,7 +221,8 @@ config PCMCIA_PXA2XX
+ depends on ARM && ARCH_PXA && PCMCIA
+ depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \
+ || MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \
+- || ARCH_VIPER || ARCH_PXA_ESERIES || MACH_STARGATE2)
++ || ARCH_VIPER || ARCH_PXA_ESERIES || MACH_STARGATE2 \
++ || ARCH_GUMSTIX)
+ help
+ Say Y here to include support for the PXA2xx PCMCIA controller
+
+--- a/drivers/pcmcia/Makefile
++++ b/drivers/pcmcia/Makefile
+@@ -77,4 +77,7 @@ pxa2xx-obj-$(CONFIG_MACH_PALMLD) += pxa
+ pxa2xx-obj-$(CONFIG_MACH_E740) += pxa2xx_e740.o
+ pxa2xx-obj-$(CONFIG_MACH_STARGATE2) += pxa2xx_stargate2.o
+
++pxa2xx-obj-$(CONFIG_MACH_GUMSTIX_VERDEX) += pxa2xx_cs.o
++pxa2xx_cs-objs := pxa2xx_gumstix.o
++
+ obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_core.o $(pxa2xx-obj-y)
+--- /dev/null
++++ b/drivers/pcmcia/pxa2xx_gumstix.c
+@@ -0,0 +1,194 @@
++/*
++ * linux/drivers/pcmcia/pxa2xx_gumstix.c
++ *
++ * Gumstix PCMCIA specific routines. Based on Mainstone
++ *
++ * Copyright 2004, Craig Hughes <craig@gumstix.com>
++ *
++ * 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/module.h>
++#include <linux/init.h>
++#include <linux/kernel.h>
++#include <linux/errno.h>
++#include <linux/interrupt.h>
++#include <linux/irq.h>
++#include <linux/gpio.h>
++
++#include <linux/delay.h>
++#include <linux/platform_device.h>
++
++#include <pcmcia/ss.h>
++
++#include <mach/hardware.h>
++#include <asm/mach-types.h>
++
++#ifdef CONFIG_MACH_GUMSTIX_VERDEX
++#include <mach/pxa27x.h>
++#else
++#include <mach/pxa27x.h>
++#endif
++
++#include <asm/io.h>
++#include <mach/gpio.h>
++#include <mach/gumstix.h>
++#include "soc_common.h"
++
++#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
++
++static struct pcmcia_irqs gumstix_pcmcia_irqs0[] = {
++ { 0, GUMSTIX_S0_nCD_IRQ, "CF0 nCD" },
++ { 0, GUMSTIX_S0_nSTSCHG_IRQ, "CF0 nSTSCHG" },
++};
++
++static struct pcmcia_irqs gumstix_pcmcia_irqs1[] = {
++ { 1, GUMSTIX_S1_nCD_IRQ, "CF1 nCD" },
++ { 1, GUMSTIX_S1_nSTSCHG_IRQ, "CF1 nSTSCHG" },
++};
++
++
++static int net_cf_vx_mode = 0;
++
++static int gumstix_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
++{
++/* Note: The verdex_pcmcia_pin_config is moved to gumstix_verdex.c in order to use mfp_pxa2xx_config
++ for board-specific pin configuration instead of the old deprecated pxa_gpio_mode function. Thus,
++ only the IRQ init is still needed to be done here. */
++ skt->irq = (skt->nr == 0) ? ((net_cf_vx_mode == 0) ? GUMSTIX_S0_PRDY_nBSY_IRQ : GUMSTIX_S0_PRDY_nBSY_OLD_IRQ) : GUMSTIX_S1_PRDY_nBSY_IRQ;
++
++ return (skt->nr == 0) ? soc_pcmcia_request_irqs(skt, gumstix_pcmcia_irqs0, ARRAY_SIZE(gumstix_pcmcia_irqs0)) :
++ soc_pcmcia_request_irqs(skt, gumstix_pcmcia_irqs1, ARRAY_SIZE(gumstix_pcmcia_irqs1));
++}
++
++static void gumstix_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
++{
++ if(skt->nr == 0)
++ {
++ soc_pcmcia_free_irqs(skt, gumstix_pcmcia_irqs0, ARRAY_SIZE(gumstix_pcmcia_irqs0));
++ } else {
++ soc_pcmcia_free_irqs(skt, gumstix_pcmcia_irqs1, ARRAY_SIZE(gumstix_pcmcia_irqs1));
++ }
++
++ if (net_cf_vx_mode) {
++ gpio_free(GPIO_GUMSTIX_CF_OLD_RESET);
++ } else {
++ gpio_free(GPIO_GUMSTIX_CF_RESET);
++ }
++
++}
++
++static void gumstix_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
++ struct pcmcia_state *state)
++{
++ unsigned int cd, prdy_nbsy, nbvd1;
++ if(skt->nr == 0)
++ {
++ cd = GPIO_GUMSTIX_nCD_0;
++ if(net_cf_vx_mode)
++ prdy_nbsy = GPIO_GUMSTIX_PRDY_nBSY_0_OLD;
++ else
++ prdy_nbsy = GPIO_GUMSTIX_PRDY_nBSY_0;
++ nbvd1 = GPIO_GUMSTIX_nBVD1_0;
++ } else {
++ cd = GPIO_GUMSTIX_nCD_1;
++ prdy_nbsy = GPIO_GUMSTIX_PRDY_nBSY_1;
++ nbvd1 = GPIO_GUMSTIX_nBVD1_1;
++ }
++ state->detect = !(GPLR(cd) & GPIO_bit(cd));
++ state->ready = !!(GPLR(prdy_nbsy) & GPIO_bit(prdy_nbsy));
++ state->bvd1 = !!(GPLR(nbvd1) & GPIO_bit(nbvd1));
++ state->bvd2 = 1;
++ state->vs_3v = 0;
++ state->vs_Xv = 0;
++ state->wrprot = 0;
++}
++
++static int gumstix_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
++ const socket_state_t *state)
++{
++ return 0;
++}
++
++static void gumstix_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
++{
++ if(skt->nr) {
++ soc_pcmcia_enable_irqs(skt, gumstix_pcmcia_irqs0, ARRAY_SIZE(gumstix_pcmcia_irqs0));
++ } else {
++ soc_pcmcia_enable_irqs(skt, gumstix_pcmcia_irqs1, ARRAY_SIZE(gumstix_pcmcia_irqs1));
++ }
++}
++
++static void gumstix_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
++{
++ if(skt->nr) {
++ soc_pcmcia_disable_irqs(skt, gumstix_pcmcia_irqs0, ARRAY_SIZE(gumstix_pcmcia_irqs0));
++ } else {
++ soc_pcmcia_disable_irqs(skt, gumstix_pcmcia_irqs1, ARRAY_SIZE(gumstix_pcmcia_irqs1));
++ }
++}
++
++static struct pcmcia_low_level gumstix_pcmcia_ops = {
++ .owner = THIS_MODULE,
++ .hw_init = gumstix_pcmcia_hw_init,
++ .hw_shutdown = gumstix_pcmcia_hw_shutdown,
++ .socket_state = gumstix_pcmcia_socket_state,
++ .configure_socket = gumstix_pcmcia_configure_socket,
++ .socket_init = gumstix_pcmcia_socket_init,
++ .socket_suspend = gumstix_pcmcia_socket_suspend,
++ .nr = 2,
++};
++
++static struct platform_device *gumstix_pcmcia_device;
++
++extern int __init gumstix_get_cf_cards(void);
++
++#ifdef CONFIG_MACH_GUMSTIX_VERDEX
++extern int __init gumstix_check_if_netCF_vx(void);
++#endif
++
++static int __init gumstix_pcmcia_init(void)
++{
++ int ret;
++
++#ifdef CONFIG_MACH_GUMSTIX_VERDEX
++ net_cf_vx_mode = gumstix_check_if_netCF_vx();
++#endif
++
++ gumstix_pcmcia_ops.nr = gumstix_get_cf_cards();
++
++ gumstix_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
++ if (!gumstix_pcmcia_device)
++ return -ENOMEM;
++
++ ret = platform_device_add_data(gumstix_pcmcia_device, &gumstix_pcmcia_ops,
++ sizeof(gumstix_pcmcia_ops));
++
++ if (ret == 0) {
++ printk(KERN_INFO "Registering gumstix PCMCIA interface.\n");
++ ret = platform_device_add(gumstix_pcmcia_device);
++ }
++
++ if (ret)
++ platform_device_put(gumstix_pcmcia_device);
++
++ return ret;
++}
++
++static void __exit gumstix_pcmcia_exit(void)
++{
++ /*
++ * This call is supposed to free our gumstix_pcmcia_device.
++ * Unfortunately platform_device don't have a free method, and
++ * we can't assume it's free of any reference at this point so we
++ * can't free it either.
++ */
++ platform_device_unregister(gumstix_pcmcia_device);
++}
++
++fs_initcall(gumstix_pcmcia_init);
++module_exit(gumstix_pcmcia_exit);
++
++MODULE_LICENSE("GPL");