[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/pcmcia/sa1100_assabet.c b/src/kernel/linux/v4.14/drivers/pcmcia/sa1100_assabet.c
new file mode 100644
index 0000000..78ad2bb
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/pcmcia/sa1100_assabet.c
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * drivers/pcmcia/sa1100_assabet.c
+ *
+ * PCMCIA implementation routines for Assabet
+ *
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <mach/assabet.h>
+
+#include "sa1100_generic.h"
+
+static int assabet_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+ skt->stat[SOC_STAT_CD].gpio = ASSABET_GPIO_CF_CD;
+ skt->stat[SOC_STAT_CD].name = "CF CD";
+ skt->stat[SOC_STAT_BVD1].gpio = ASSABET_GPIO_CF_BVD1;
+ skt->stat[SOC_STAT_BVD1].name = "CF BVD1";
+ skt->stat[SOC_STAT_BVD2].gpio = ASSABET_GPIO_CF_BVD2;
+ skt->stat[SOC_STAT_BVD2].name = "CF BVD2";
+ skt->stat[SOC_STAT_RDY].gpio = ASSABET_GPIO_CF_IRQ;
+ skt->stat[SOC_STAT_RDY].name = "CF RDY";
+
+ return 0;
+}
+
+static int
+assabet_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state)
+{
+ unsigned int mask;
+
+ switch (state->Vcc) {
+ case 0:
+ mask = 0;
+ break;
+
+ case 50:
+ printk(KERN_WARNING "%s(): CS asked for 5V, applying 3.3V...\n",
+ __func__);
+
+ case 33: /* Can only apply 3.3V to the CF slot. */
+ mask = ASSABET_BCR_CF_PWR;
+ break;
+
+ default:
+ printk(KERN_ERR "%s(): unrecognized Vcc %u\n", __func__,
+ state->Vcc);
+ return -1;
+ }
+
+ /* Silently ignore Vpp, speaker enable. */
+
+ if (state->flags & SS_RESET)
+ mask |= ASSABET_BCR_CF_RST;
+ if (!(state->flags & SS_OUTPUT_ENA))
+ mask |= ASSABET_BCR_CF_BUS_OFF;
+
+ ASSABET_BCR_frob(ASSABET_BCR_CF_RST | ASSABET_BCR_CF_PWR |
+ ASSABET_BCR_CF_BUS_OFF, mask);
+
+ return 0;
+}
+
+/*
+ * Disable card status IRQs on suspend.
+ */
+static void assabet_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
+{
+ /*
+ * Tristate the CF bus signals. Also assert CF
+ * reset as per user guide page 4-11.
+ */
+ ASSABET_BCR_set(ASSABET_BCR_CF_BUS_OFF | ASSABET_BCR_CF_RST);
+}
+
+static struct pcmcia_low_level assabet_pcmcia_ops = {
+ .owner = THIS_MODULE,
+ .hw_init = assabet_pcmcia_hw_init,
+ .socket_state = soc_common_cf_socket_state,
+ .configure_socket = assabet_pcmcia_configure_socket,
+ .socket_suspend = assabet_pcmcia_socket_suspend,
+};
+
+int pcmcia_assabet_init(struct device *dev)
+{
+ int ret = -ENODEV;
+
+ if (machine_is_assabet() && !machine_has_neponset())
+ ret = sa11xx_drv_pcmcia_probe(dev, &assabet_pcmcia_ops, 1, 1);
+
+ return ret;
+}