From 83d40dfd79fe868796275802f60116d84b9e4395 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 16 Jan 2008 01:13:58 -0600 Subject: 85xx: Move LAW init code into C Move the initialization of the LAWs into C code and provide an API to allow modification of LAWs after init. Board code is responsible to provide a law_table and num_law_entries. We should be able to use the same code on 86xx as well. Signed-off-by: Kumar Gala --- include/asm-ppc/fsl_law.h | 80 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 include/asm-ppc/fsl_law.h (limited to 'include/asm-ppc') diff --git a/include/asm-ppc/fsl_law.h b/include/asm-ppc/fsl_law.h new file mode 100644 index 0000000..7cb8840 --- /dev/null +++ b/include/asm-ppc/fsl_law.h @@ -0,0 +1,80 @@ +#ifndef _FSL_LAW_H_ +#define _FSL_LAW_H_ + +#include + +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#define SET_LAW_ENTRY(idx, a, sz, trgt) \ + { .index = idx, .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, +}; + +enum law_trgt_if { + LAW_TRGT_IF_PCI = 0x00, + LAW_TRGT_IF_PCI_2 = 0x01, +#ifndef CONFIG_MPC8641 + LAW_TRGT_IF_PCIE_1 = 0x02, +#endif +#ifndef CONFIG_MPC8572 + 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_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 + +#ifdef CONFIG_MPC8641 +#define LAW_TRGT_IF_PCIE_1 LAW_TRGT_IF_PCI +#endif + +#ifdef CONFIG_MPC8572 +#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 void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id); +extern void disable_law(u8 idx); +extern void init_laws(void); + +/* define in board code */ +extern struct law_entry law_table[]; +extern int num_law_entries; +#endif -- cgit v1.1