1 files changed, 92 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/fsl_law.h b/arch/powerpc/include/asm/fsl_law.h
new file mode 100644
index 0000000000..7acb63c9de
--- /dev/null
+++ b/arch/powerpc/include/asm/fsl_law.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2008-2010 Freescale Semiconductor, Inc.
+ *
+ * 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.
+ */
+
+#ifndef _FSL_LAW_H_
+#define _FSL_LAW_H_
+
+#include <asm/io.h>
+
+#define LAW_EN	0x80000000
+
+#define FSL_SET_LAW_ENTRY(idx, a, sz, trgt) \
+	{ .index = idx, .addr = a, .size = sz, .trgt_id = trgt }
+
+#define FSL_SET_LAW(a, sz, trgt) \
+	{ .index = -1, .addr = a, .size = sz, .trgt_id = trgt }
+
+enum law_size {
+	LAW_SIZE_4K = 0xb,
+	LAW_SIZE_8K,
+	LAW_SIZE_16K,
+	LAW_SIZE_32K,
+	LAW_SIZE_64K,
+	LAW_SIZE_128K,
+	LAW_SIZE_256K,
+	LAW_SIZE_512K,
+	LAW_SIZE_1M,
+	LAW_SIZE_2M,
+	LAW_SIZE_4M,
+	LAW_SIZE_8M,
+	LAW_SIZE_16M,
+	LAW_SIZE_32M,
+	LAW_SIZE_64M,
+	LAW_SIZE_128M,
+	LAW_SIZE_256M,
+	LAW_SIZE_512M,
+	LAW_SIZE_1G,
+	LAW_SIZE_2G,
+	LAW_SIZE_4G,
+	LAW_SIZE_8G,
+	LAW_SIZE_16G,
+	LAW_SIZE_32G,
+};
+
+#define fsl_law_size_bits(sz)	(__ilog2_u64(sz) - 1)
+#define fsl_lawar_size(x)	(1ULL << (((x) & 0x3f) + 1))
+
+enum law_trgt_if {
+	LAW_TRGT_IF_PCI = 0x00,
+	LAW_TRGT_IF_PCI_2 = 0x01,
+	LAW_TRGT_IF_PCIE_1 = 0x02,
+#if !defined(CONFIG_P2020)
+	LAW_TRGT_IF_PCIE_3 = 0x03,
+#endif
+	LAW_TRGT_IF_LBC = 0x04,
+	LAW_TRGT_IF_CCSR = 0x08,
+	LAW_TRGT_IF_DDR_INTRLV = 0x0b,
+	LAW_TRGT_IF_RIO = 0x0c,
+	LAW_TRGT_IF_RIO_2 = 0x0d,
+	LAW_TRGT_IF_DDR = 0x0f,
+	LAW_TRGT_IF_DDR_2 = 0x16,	/* 2nd controller */
+};
+#define LAW_TRGT_IF_DDR_1	LAW_TRGT_IF_DDR
+#define LAW_TRGT_IF_PCI_1	LAW_TRGT_IF_PCI
+#define LAW_TRGT_IF_PCIX	LAW_TRGT_IF_PCI
+#define LAW_TRGT_IF_PCIE_2	LAW_TRGT_IF_PCI_2
+#define LAW_TRGT_IF_RIO_1	LAW_TRGT_IF_RIO
+#define LAW_TRGT_IF_IFC		LAW_TRGT_IF_LBC
+
+
+#if defined(CONFIG_P2020)
+#define LAW_TRGT_IF_PCIE_3	LAW_TRGT_IF_PCI
+#endif
+
+struct law_entry {
+	int index;
+	phys_addr_t addr;
+	enum law_size size;
+	enum law_trgt_if trgt_id;
+};
+
+extern int fsl_set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id);
+extern void fsl_init_laws(void);
+
+/* define in board code */
+extern struct law_entry law_table[];
+extern int num_law_entries;
+#endif