v4.19.13 snapshot.
diff --git a/drivers/pcmcia/sa1100_simpad.c b/drivers/pcmcia/sa1100_simpad.c
new file mode 100644
index 0000000..e235ee1
--- /dev/null
+++ b/drivers/pcmcia/sa1100_simpad.c
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * drivers/pcmcia/sa1100_simpad.c
+ *
+ * PCMCIA implementation routines for simpad
+ *
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/init.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <mach/simpad.h>
+#include "sa1100_generic.h"
+
+static int simpad_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+
+ simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1);
+
+ skt->stat[SOC_STAT_CD].name = "cf-detect";
+ skt->stat[SOC_STAT_RDY].name = "cf-ready";
+
+ return soc_pcmcia_request_gpiods(skt);
+}
+
+static void simpad_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
+{
+ /* Disable CF bus: */
+ /*simpad_set_cs3_bit(PCMCIA_BUFF_DIS);*/
+ simpad_clear_cs3_bit(PCMCIA_RESET);
+}
+
+static void
+simpad_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
+ struct pcmcia_state *state)
+{
+ long cs3reg = simpad_get_cs3_ro();
+
+ state->bvd1 = 1; /* Might be cs3reg & PCMCIA_BVD1 */
+ state->bvd2 = 1; /* Might be cs3reg & PCMCIA_BVD2 */
+
+ if ((cs3reg & (PCMCIA_VS1|PCMCIA_VS2)) ==
+ (PCMCIA_VS1|PCMCIA_VS2)) {
+ state->vs_3v=0;
+ state->vs_Xv=0;
+ } else {
+ state->vs_3v=1;
+ state->vs_Xv=0;
+ }
+}
+
+static int
+simpad_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+ const socket_state_t *state)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+
+ /* Murphy: see table of MIC2562a-1 */
+ switch (state->Vcc) {
+ case 0:
+ simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1);
+ break;
+
+ case 33:
+ simpad_clear_cs3_bit(VCC_3V_EN|EN1);
+ simpad_set_cs3_bit(VCC_5V_EN|EN0);
+ break;
+
+ case 50:
+ simpad_clear_cs3_bit(VCC_5V_EN|EN1);
+ simpad_set_cs3_bit(VCC_3V_EN|EN0);
+ break;
+
+ default:
+ printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
+ __func__, state->Vcc);
+ simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1);
+ local_irq_restore(flags);
+ return -1;
+ }
+
+
+ local_irq_restore(flags);
+
+ return 0;
+}
+
+static void simpad_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
+{
+ simpad_set_cs3_bit(PCMCIA_RESET);
+}
+
+static struct pcmcia_low_level simpad_pcmcia_ops = {
+ .owner = THIS_MODULE,
+ .hw_init = simpad_pcmcia_hw_init,
+ .hw_shutdown = simpad_pcmcia_hw_shutdown,
+ .socket_state = simpad_pcmcia_socket_state,
+ .configure_socket = simpad_pcmcia_configure_socket,
+ .socket_suspend = simpad_pcmcia_socket_suspend,
+};
+
+int pcmcia_simpad_init(struct device *dev)
+{
+ int ret = -ENODEV;
+
+ if (machine_is_simpad())
+ ret = sa11xx_drv_pcmcia_probe(dev, &simpad_pcmcia_ops, 1, 1);
+
+ return ret;
+}