[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/pcmcia/sa1100_shannon.c b/src/kernel/linux/v4.14/drivers/pcmcia/sa1100_shannon.c
new file mode 100644
index 0000000..0e52a57
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/pcmcia/sa1100_shannon.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * drivers/pcmcia/sa1100_shannon.c
+ *
+ * PCMCIA implementation routines for Shannon
+ *
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <mach/shannon.h>
+#include <asm/irq.h>
+#include "sa1100_generic.h"
+
+static int shannon_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+ /* All those are inputs */
+ GAFR &= ~(GPIO_GPIO(SHANNON_GPIO_EJECT_0) |
+ GPIO_GPIO(SHANNON_GPIO_EJECT_1) |
+ GPIO_GPIO(SHANNON_GPIO_RDY_0) |
+ GPIO_GPIO(SHANNON_GPIO_RDY_1));
+
+ if (skt->nr == 0) {
+ skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_0;
+ skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_0";
+ skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_0;
+ skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_0";
+ } else {
+ skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_1;
+ skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_1";
+ skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_1;
+ skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_1";
+ }
+
+ return 0;
+}
+
+static void
+shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
+ struct pcmcia_state *state)
+{
+ switch (skt->nr) {
+ case 0:
+ state->bvd1 = 1;
+ state->bvd2 = 1;
+ state->vs_3v = 1; /* FIXME Can only apply 3.3V on Shannon. */
+ state->vs_Xv = 0;
+ break;
+
+ case 1:
+ state->bvd1 = 1;
+ state->bvd2 = 1;
+ state->vs_3v = 1; /* FIXME Can only apply 3.3V on Shannon. */
+ state->vs_Xv = 0;
+ break;
+ }
+}
+
+static int
+shannon_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+ const socket_state_t *state)
+{
+ switch (state->Vcc) {
+ case 0: /* power off */
+ printk(KERN_WARNING "%s(): CS asked for 0V, still applying 3.3V..\n", __func__);
+ break;
+ case 50:
+ printk(KERN_WARNING "%s(): CS asked for 5V, applying 3.3V..\n", __func__);
+ case 33:
+ break;
+ default:
+ printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
+ __func__, state->Vcc);
+ return -1;
+ }
+
+ printk(KERN_WARNING "%s(): Warning, Can't perform reset\n", __func__);
+
+ /* Silently ignore Vpp, output enable, speaker enable. */
+
+ return 0;
+}
+
+static struct pcmcia_low_level shannon_pcmcia_ops = {
+ .owner = THIS_MODULE,
+ .hw_init = shannon_pcmcia_hw_init,
+ .socket_state = shannon_pcmcia_socket_state,
+ .configure_socket = shannon_pcmcia_configure_socket,
+};
+
+int pcmcia_shannon_init(struct device *dev)
+{
+ int ret = -ENODEV;
+
+ if (machine_is_shannon())
+ ret = sa11xx_drv_pcmcia_probe(dev, &shannon_pcmcia_ops, 0, 2);
+
+ return ret;
+}