zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/pcmcia/sa1100_cerf.c b/ap/os/linux/linux-3.4.x/drivers/pcmcia/sa1100_cerf.c
new file mode 100644
index 0000000..c59c449
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/pcmcia/sa1100_cerf.c
@@ -0,0 +1,92 @@
+/*
+ * drivers/pcmcia/sa1100_cerf.c
+ *
+ * PCMCIA implementation routines for CerfBoard
+ * Based off the Assabet.
+ *
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <mach/cerf.h>
+#include "sa1100_generic.h"
+
+#define CERF_SOCKET 1
+
+static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+ int ret;
+
+ ret = gpio_request_one(CERF_GPIO_CF_RESET, GPIOF_OUT_INIT_LOW, "CF_RESET");
+ if (ret)
+ return ret;
+
+ skt->stat[SOC_STAT_CD].gpio = CERF_GPIO_CF_CD;
+ skt->stat[SOC_STAT_CD].name = "CF_CD";
+ skt->stat[SOC_STAT_BVD1].gpio = CERF_GPIO_CF_BVD1;
+ skt->stat[SOC_STAT_BVD1].name = "CF_BVD1";
+ skt->stat[SOC_STAT_BVD2].gpio = CERF_GPIO_CF_BVD2;
+ skt->stat[SOC_STAT_BVD2].name = "CF_BVD2";
+ skt->stat[SOC_STAT_RDY].gpio = CERF_GPIO_CF_IRQ;
+ skt->stat[SOC_STAT_RDY].name = "CF_IRQ";
+
+ return 0;
+}
+
+static void cerf_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
+{
+ gpio_free(CERF_GPIO_CF_RESET);
+}
+
+static void
+cerf_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
+{
+ state->vs_3v = 1;
+ state->vs_Xv = 0;
+}
+
+static int
+cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+ const socket_state_t *state)
+{
+ switch (state->Vcc) {
+ case 0:
+ case 50:
+ case 33:
+ break;
+
+ default:
+ printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
+ __func__, state->Vcc);
+ return -1;
+ }
+
+ gpio_set_value(CERF_GPIO_CF_RESET, !!(state->flags & SS_RESET));
+
+ return 0;
+}
+
+static struct pcmcia_low_level cerf_pcmcia_ops = {
+ .owner = THIS_MODULE,
+ .hw_init = cerf_pcmcia_hw_init,
+ .hw_shutdown = cerf_pcmcia_hw_shutdown,
+ .socket_state = cerf_pcmcia_socket_state,
+ .configure_socket = cerf_pcmcia_configure_socket,
+};
+
+int __devinit pcmcia_cerf_init(struct device *dev)
+{
+ int ret = -ENODEV;
+
+ if (machine_is_cerf())
+ ret = sa11xx_drv_pcmcia_probe(dev, &cerf_pcmcia_ops, CERF_SOCKET, 1);
+
+ return ret;
+}