init commit via android 4.4 uboot

1 files changed, 67 insertions, 0 deletions

diff --git a/board/adsvix/pcmcia.c b/board/adsvix/pcmcia.c
new file mode 100755
index 0000000..ba5be01
--- /dev/null
+++ b/board/adsvix/pcmcia.c
@@ -0,0 +1,67 @@
+/*
+ * (C) Copyright 2004
+ * Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/pxa-regs.h>
+
+void pcmcia_power_on(void)
+{
+#if 0
+	if (!(GPLR(20) & GPIO_bit(20))) { /* 3.3V */
+		GPCR(81) = GPIO_bit(81);
+		GPSR(82) = GPIO_bit(82);
+	}
+	else if (!(GPLR(21) & GPIO_bit(21))) { /* 5.0V */
+		GPCR(81) = GPIO_bit(81);
+		GPCR(82) = GPIO_bit(82);
+	}
+#else
+#warning "Board will only supply 5V, wait for next HW spin for selectable power"
+	/* 5.0V */
+	GPCR(81) = GPIO_bit(81);
+	GPCR(82) = GPIO_bit(82);
+#endif
+
+	udelay(300000);
+
+	/* reset the card */
+	GPSR(52) = GPIO_bit(52);
+
+	/* enable PCMCIA */
+	GPCR(83) = GPIO_bit(83);
+
+	/* clear reset */
+	udelay(10);
+	GPCR(52) = GPIO_bit(52);
+
+	udelay(20000);
+}
+
+void pcmcia_power_off(void)
+{
+	/* 0V */
+	GPSR(81) = GPIO_bit(81);
+	GPSR(82) = GPIO_bit(82);
+	/* disable PCMCIA */
+	GPSR(83) = GPIO_bit(83);
+}