diff options
Diffstat (limited to 'arch/powerpc/include/asm/fsl_law.h')
-rw-r--r-- | arch/powerpc/include/asm/fsl_law.h | 92 |
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 |