+++ /dev/null
-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
-@@ -217,7 +217,7 @@ config PCMCIA_PXA2XX
- || MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \
- || ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2 \
- || MACH_VPAC270 || MACH_BALLOON3 || MACH_COLIBRI \
-- || MACH_COLIBRI320 || MACH_H4700)
-+ || MACH_COLIBRI320 || MACH_H4700 || ARCH_GUMSTIX)
- select PCMCIA_SA1111 if ARCH_LUBBOCK && SA1111
- select PCMCIA_SOC_COMMON
- help
---- a/drivers/pcmcia/Makefile
-+++ b/drivers/pcmcia/Makefile
-@@ -71,6 +71,9 @@ pxa2xx-obj-$(CONFIG_MACH_COLIBRI) += px
- pxa2xx-obj-$(CONFIG_MACH_COLIBRI320) += pxa2xx_colibri.o
- pxa2xx-obj-$(CONFIG_MACH_H4700) += pxa2xx_hx4700.o
-
-+pxa2xx-obj-$(CONFIG_MACH_GUMSTIX_VERDEX) += pxa2xx_cs.o
-+pxa2xx_cs-objs := pxa2xx_gumstix.o
-+
- obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y)
-
- obj-$(CONFIG_PCMCIA_XXS1500) += xxs1500_ss.o
---- /dev/null
-+++ b/drivers/pcmcia/pxa2xx_gumstix.c
-@@ -0,0 +1,168 @@
-+/*
-+ * 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 <linux/gpio-pxa.h>
-+
-+#include <pcmcia/ss.h>
-+
-+#include <mach/hardware.h>
-+#include <asm/mach-types.h>
-+
-+#include <mach/pxa27x.h>
-+
-+#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)
-+
-+#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
-+#define GPLR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5))
-+
-+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. */
-+ if (skt->nr == 0) {
-+ skt->socket.pci_irq = (net_cf_vx_mode == 0) ? GUMSTIX_S0_PRDY_nBSY_IRQ : GUMSTIX_S0_PRDY_nBSY_OLD_IRQ;
-+ skt->stat[SOC_STAT_CD].gpio = GUMSTIX_S0_nCD_IRQ;
-+ skt->stat[SOC_STAT_CD].name = "CF0 nCD";
-+ skt->stat[SOC_STAT_RDY].gpio = GUMSTIX_S0_nSTSCHG_IRQ;
-+ skt->stat[SOC_STAT_RDY].name = "CF0 nSTSCHG";
-+ } else {
-+ skt->socket.pci_irq = GUMSTIX_S1_PRDY_nBSY_IRQ;
-+ skt->stat[SOC_STAT_CD].gpio = GUMSTIX_S1_nCD_IRQ;
-+ skt->stat[SOC_STAT_CD].name = "CF1 nCD";
-+ skt->stat[SOC_STAT_RDY].gpio = GUMSTIX_S1_nSTSCHG_IRQ;
-+ skt->stat[SOC_STAT_RDY].name = "CF1 nSTSCHG";
-+ }
-+
-+ return 0;
-+}
-+
-+static void gumstix_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
-+{
-+ 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 = !!gpio_get_value(cd);
-+ state->ready = !!gpio_get_value(prdy_nbsy);
-+ state->bvd1 = !!gpio_get_value(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 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,
-+ .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");
projects / openwrt / staging / chunkeey.git / blobdiff