1 /* 2 * Copyright 2008-2011 Freescale Semiconductor, Inc. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * Version 2 as published by the Free Software Foundation. 7 */ 8 9 #ifndef _FSL_LAW_H_ 10 #define _FSL_LAW_H_ 11 12 #include <asm/io.h> 13 14 #define LAW_EN 0x80000000 15 16 #define SET_LAW_ENTRY(idx, a, sz, trgt) \ 17 { .index = idx, .addr = a, .size = sz, .trgt_id = trgt } 18 19 #define SET_LAW(a, sz, trgt) \ 20 { .index = -1, .addr = a, .size = sz, .trgt_id = trgt } 21 22 enum law_size { 23 LAW_SIZE_4K = 0xb, 24 LAW_SIZE_8K, 25 LAW_SIZE_16K, 26 LAW_SIZE_32K, 27 LAW_SIZE_64K, 28 LAW_SIZE_128K, 29 LAW_SIZE_256K, 30 LAW_SIZE_512K, 31 LAW_SIZE_1M, 32 LAW_SIZE_2M, 33 LAW_SIZE_4M, 34 LAW_SIZE_8M, 35 LAW_SIZE_16M, 36 LAW_SIZE_32M, 37 LAW_SIZE_64M, 38 LAW_SIZE_128M, 39 LAW_SIZE_256M, 40 LAW_SIZE_512M, 41 LAW_SIZE_1G, 42 LAW_SIZE_2G, 43 LAW_SIZE_4G, 44 LAW_SIZE_8G, 45 LAW_SIZE_16G, 46 LAW_SIZE_32G, 47 }; 48 49 #define law_size_bits(sz) (__ilog2_u64(sz) - 1) 50 #define lawar_size(x) (1ULL << ((x & 0x3f) + 1)) 51 52 #ifdef CONFIG_FSL_CORENET 53 enum law_trgt_if { 54 LAW_TRGT_IF_PCIE_1 = 0x00, 55 LAW_TRGT_IF_PCIE_2 = 0x01, 56 LAW_TRGT_IF_PCIE_3 = 0x02, 57 LAW_TRGT_IF_PCIE_4 = 0x03, 58 LAW_TRGT_IF_RIO_1 = 0x08, 59 LAW_TRGT_IF_RIO_2 = 0x09, 60 61 LAW_TRGT_IF_DDR_1 = 0x10, 62 LAW_TRGT_IF_DDR_2 = 0x11, /* 2nd controller */ 63 LAW_TRGT_IF_DDR_3 = 0x12, 64 LAW_TRGT_IF_DDR_4 = 0x13, 65 LAW_TRGT_IF_DDR_INTRLV = 0x14, 66 LAW_TRGT_IF_DDR_INTLV_34 = 0x15, 67 LAW_TRGT_IF_DDR_INTLV_123 = 0x17, 68 LAW_TRGT_IF_DDR_INTLV_1234 = 0x16, 69 LAW_TRGT_IF_BMAN = 0x18, 70 LAW_TRGT_IF_DCSR = 0x1d, 71 LAW_TRGT_IF_LBC = 0x1f, 72 LAW_TRGT_IF_QMAN = 0x3c, 73 }; 74 #define LAW_TRGT_IF_DDR LAW_TRGT_IF_DDR_1 75 #define LAW_TRGT_IF_IFC LAW_TRGT_IF_LBC 76 #else 77 enum law_trgt_if { 78 LAW_TRGT_IF_PCI = 0x00, 79 LAW_TRGT_IF_PCI_2 = 0x01, 80 #ifndef CONFIG_MPC8641 81 LAW_TRGT_IF_PCIE_1 = 0x02, 82 #endif 83 #if !defined(CONFIG_MPC8572) && !defined(CONFIG_P2020) 84 LAW_TRGT_IF_PCIE_3 = 0x03, 85 #endif 86 LAW_TRGT_IF_LBC = 0x04, 87 LAW_TRGT_IF_CCSR = 0x08, 88 LAW_TRGT_IF_DDR_INTRLV = 0x0b, 89 LAW_TRGT_IF_RIO = 0x0c, 90 LAW_TRGT_IF_RIO_2 = 0x0d, 91 LAW_TRGT_IF_DPAA_SWP_SRAM = 0x0e, 92 LAW_TRGT_IF_DDR = 0x0f, 93 LAW_TRGT_IF_DDR_2 = 0x16, /* 2nd controller */ 94 /* place holder for 3-way and 4-way interleaving */ 95 LAW_TRGT_IF_DDR_3, 96 LAW_TRGT_IF_DDR_4, 97 LAW_TRGT_IF_DDR_INTLV_34, 98 LAW_TRGT_IF_DDR_INTLV_123, 99 LAW_TRGT_IF_DDR_INTLV_1234, 100 }; 101 #define LAW_TRGT_IF_DDR_1 LAW_TRGT_IF_DDR 102 #define LAW_TRGT_IF_PCI_1 LAW_TRGT_IF_PCI 103 #define LAW_TRGT_IF_PCIX LAW_TRGT_IF_PCI 104 #define LAW_TRGT_IF_PCIE_2 LAW_TRGT_IF_PCI_2 105 #define LAW_TRGT_IF_RIO_1 LAW_TRGT_IF_RIO 106 #define LAW_TRGT_IF_IFC LAW_TRGT_IF_LBC 107 108 #ifdef CONFIG_MPC8641 109 #define LAW_TRGT_IF_PCIE_1 LAW_TRGT_IF_PCI 110 #endif 111 112 #if defined(CONFIG_MPC8572) || defined(CONFIG_P2020) 113 #define LAW_TRGT_IF_PCIE_3 LAW_TRGT_IF_PCI 114 #endif 115 #endif /* CONFIG_FSL_CORENET */ 116 117 struct law_entry { 118 int index; 119 phys_addr_t addr; 120 enum law_size size; 121 enum law_trgt_if trgt_id; 122 }; 123 124 extern void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id); 125 extern int set_next_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id); 126 extern int set_last_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id); 127 extern int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id); 128 extern struct law_entry find_law(phys_addr_t addr); 129 extern void disable_law(u8 idx); 130 extern void init_laws(void); 131 extern void print_laws(void); 132 133 /* define in board code */ 134 extern struct law_entry law_table[]; 135 extern int num_law_entries; 136 #endif 137