mpc83xx: Split PIB init code from pci.c and add Qoc3 ATM card support

The patch split the PIB init code from pci.c to a single file board/freescale/common/pq-mds-pib.c
And add Qoc3 ATM card support for MPC8360EMDS and MPC832XEMDS board.

Signed-off-by Tony Li <tony.li@freescale.com>

1 files changed, 101 insertions, 0 deletions

diff --git a/board/freescale/common/pq-mds-pib.c b/board/freescale/common/pq-mds-pib.c
new file mode 100644
index 0000000..9799117
--- /dev/null
+++ b/board/freescale/common/pq-mds-pib.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2007 Freescale Semiconductor, Inc.
+ *
+ * Tony Li <tony.li@freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <asm/io.h>
+
+#include "pq-mds-pib.h"
+
+int pib_init(void)
+{
+	u8 val8;
+	u8 orig_i2c_bus;
+
+	/* Switch temporarily to I2C bus #2 */
+	orig_i2c_bus = i2c_get_bus_num();
+	i2c_set_bus_num(1);
+#if defined(CONFIG_PCI) && !defined(CONFIG_PCISLAVE)
+	/* Assign PIB PMC slot to desired PCI bus */
+	val8 = 0;
+	i2c_write(0x23, 0x6, 1, &val8, 1);
+	i2c_write(0x23, 0x7, 1, &val8, 1);
+	val8 = 0xff;
+	i2c_write(0x23, 0x2, 1, &val8, 1);
+	i2c_write(0x23, 0x3, 1, &val8, 1);
+
+	val8 = 0;
+	i2c_write(0x26, 0x6, 1, &val8, 1);
+	val8 = 0x34;
+	i2c_write(0x26, 0x7, 1, &val8, 1);
+#if defined(CONFIG_MPC832XEMDS)
+	val8 = 0xf9;            /* PMC2, PMC3 slot to PCI bus */
+#else
+	val8 = 0xf3;		/* PMC1, PMC2, PMC3 slot to PCI bus */
+#endif
+	i2c_write(0x26, 0x2, 1, &val8, 1);
+	val8 = 0xff;
+	i2c_write(0x26, 0x3, 1, &val8, 1);
+
+	val8 = 0;
+	i2c_write(0x27, 0x6, 1, &val8, 1);
+	i2c_write(0x27, 0x7, 1, &val8, 1);
+	val8 = 0xff;
+	i2c_write(0x27, 0x2, 1, &val8, 1);
+	val8 = 0xef;
+	i2c_write(0x27, 0x3, 1, &val8, 1);
+
+	eieio();
+
+#if defined(CONFIG_MPC832XEMDS)
+	printf("PCI 32bit bus on PMC2 &PMC3\n");
+#else
+	printf("PCI 32bit bus on PMC1 & PMC2 &PMC3\n");
+#endif
+#endif
+
+#if defined(CONFIG_PQ_MDS_PIB_ATM)
+#if defined(CONFIG_MPC8360EMDS)
+	val8 = 0;
+	i2c_write(0x20, 0x6, 1, &val8, 1);
+	i2c_write(0x20, 0x7, 1, &val8, 1);
+
+	val8 = 0xdf;
+	i2c_write(0x20, 0x2, 1, &val8, 1);
+	val8 = 0xf7;
+	i2c_write(0x20, 0x3, 1, &val8, 1);
+
+	eieio();
+
+	printf("QOC3 ATM card on PMC0\n");
+#elif defined(CONFIG_MPC832XEMDS)
+	val = 0;
+	i2c_write(0x26, 0x7, 1, &val, 1);
+	val = 0xf7;
+	i2c_write(0x26, 0x3, 1, &val, 1);
+
+	val = 0;
+	i2c_write(0x21, 0x6, 1, &val, 1);
+	i2c_write(0x21, 0x7, 1, &val, 1);
+
+	val = 0xdf;
+	i2c_write(0x21, 0x2, 1, &val, 1);
+	val = 0xef;
+	i2c_write(0x21, 0x3, 1, &val, 1);
+
+	eieio();
+
+	printf("QOC3 ATM card on PMC1\n");
+#endif
+#endif
+	/* Reset to original I2C bus */
+	i2c_set_bus_num(orig_i2c_bus);
+	return 0;
+}