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authorMarkus Klotzbuecher <mk@denx.de>2007-09-17 17:12:45 +0200
committerMarkus Klotzbuecher <mk@pollux.denx.de>2007-09-17 17:12:45 +0200
commitf930922f061ea7bf585296859d1c14194c24b840 (patch)
treec46b9f120f7c55f5baf8b6ac3048ba759e10a512 /board/freescale/common/pq-mds-pib.c
parent97213f32416ead885deafea86774e912ffd60ad0 (diff)
parent67c31036acaaaa992fc346cc89db0909a7e733c4 (diff)
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Merge with git://www.denx.de/git/u-boot.git
Diffstat (limited to 'board/freescale/common/pq-mds-pib.c')
-rw-r--r--board/freescale/common/pq-mds-pib.c105
1 files changed, 105 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
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--- /dev/null
+++ b/board/freescale/common/pq-mds-pib.c
@@ -0,0 +1,105 @@
+/*
+ * 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>
+
+#ifdef CONFIG_PQ_MDS_PIB
+
+#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);
+
+ val8 = 0;
+#if defined(CONFIG_PCI) && !defined(CONFIG_PCISLAVE)
+ /* Assign PIB PMC slot to desired PCI bus */
+ 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;
+}
+#endif /* CONFIG_PQ_MDS_PIB */