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   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 #include <linux/log2.h>
  14
  15 #define LAW_EN  0x80000000
  16
  17 #define SET_LAW_ENTRY(idx, a, sz, trgt) \
  18         { .index = idx, .addr = a, .size = sz, .trgt_id = trgt }
  19
  20 #define SET_LAW(a, sz, trgt) \
  21         { .index = -1, .addr = a, .size = sz, .trgt_id = trgt }
  22
  23 enum law_size {
  24         LAW_SIZE_4K = 0xb,
  25         LAW_SIZE_8K,
  26         LAW_SIZE_16K,
  27         LAW_SIZE_32K,
  28         LAW_SIZE_64K,
  29         LAW_SIZE_128K,
  30         LAW_SIZE_256K,
  31         LAW_SIZE_512K,
  32         LAW_SIZE_1M,
  33         LAW_SIZE_2M,
  34         LAW_SIZE_4M,
  35         LAW_SIZE_8M,
  36         LAW_SIZE_16M,
  37         LAW_SIZE_32M,
  38         LAW_SIZE_64M,
  39         LAW_SIZE_128M,
  40         LAW_SIZE_256M,
  41         LAW_SIZE_512M,
  42         LAW_SIZE_1G,
  43         LAW_SIZE_2G,
  44         LAW_SIZE_4G,
  45         LAW_SIZE_8G,
  46         LAW_SIZE_16G,
  47         LAW_SIZE_32G,
  48 };
  49
  50 #define law_size_bits(sz)       (__ilog2_u64(sz) - 1)
  51 #define lawar_size(x)   (1ULL << ((x & 0x3f) + 1))
  52
  53 #ifdef CONFIG_FSL_CORENET
  54 enum law_trgt_if {
  55         LAW_TRGT_IF_PCIE_1 = 0x00,
  56         LAW_TRGT_IF_PCIE_2 = 0x01,
  57         LAW_TRGT_IF_PCIE_3 = 0x02,
  58         LAW_TRGT_IF_PCIE_4 = 0x03,
  59         LAW_TRGT_IF_RIO_1 = 0x08,
  60         LAW_TRGT_IF_RIO_2 = 0x09,
  61
  62         LAW_TRGT_IF_DDR_1 = 0x10,
  63         LAW_TRGT_IF_DDR_2 = 0x11,       /* 2nd controller */
  64         LAW_TRGT_IF_DDR_3 = 0x12,
  65         LAW_TRGT_IF_DDR_4 = 0x13,
  66         LAW_TRGT_IF_DDR_INTRLV = 0x14,
  67         LAW_TRGT_IF_DDR_INTLV_34 = 0x15,
  68         LAW_TRGT_IF_DDR_INTLV_123 = 0x17,
  69         LAW_TRGT_IF_DDR_INTLV_1234 = 0x16,
  70         LAW_TRGT_IF_BMAN = 0x18,
  71         LAW_TRGT_IF_DCSR = 0x1d,
  72         LAW_TRGT_IF_CCSR = 0x1e,
  73         LAW_TRGT_IF_LBC = 0x1f,
  74         LAW_TRGT_IF_QMAN = 0x3c,
  75
  76         LAW_TRGT_IF_MAPLE = 0x50,
  77 };
  78 #define LAW_TRGT_IF_DDR         LAW_TRGT_IF_DDR_1
  79 #define LAW_TRGT_IF_IFC         LAW_TRGT_IF_LBC
  80 #else
  81 enum law_trgt_if {
  82         LAW_TRGT_IF_PCI = 0x00,
  83         LAW_TRGT_IF_PCI_2 = 0x01,
  84 #ifndef CONFIG_MPC8641
  85         LAW_TRGT_IF_PCIE_1 = 0x02,
  86 #endif
  87 #if defined(CONFIG_BSC9131) || defined(CONFIG_BSC9132)
  88         LAW_TRGT_IF_OCN_DSP = 0x03,
  89 #else
  90 #if !defined(CONFIG_MPC8572) && !defined(CONFIG_P2020)
  91         LAW_TRGT_IF_PCIE_3 = 0x03,
  92 #endif
  93 #endif
  94         LAW_TRGT_IF_LBC = 0x04,
  95         LAW_TRGT_IF_CCSR = 0x08,
  96         LAW_TRGT_IF_DSP_CCSR = 0x09,
  97         LAW_TRGT_IF_PLATFORM_SRAM = 0x0a,
  98         LAW_TRGT_IF_DDR_INTRLV = 0x0b,
  99         LAW_TRGT_IF_RIO = 0x0c,
 100 #if defined(CONFIG_BSC9132)
 101         LAW_TRGT_IF_CLASS_DSP = 0x0d,
 102 #else
 103         LAW_TRGT_IF_RIO_2 = 0x0d,
 104 #endif
 105         LAW_TRGT_IF_DPAA_SWP_SRAM = 0x0e,
 106         LAW_TRGT_IF_DDR = 0x0f,
 107         LAW_TRGT_IF_DDR_2 = 0x16,       /* 2nd controller */
 108         /* place holder for 3-way and 4-way interleaving */
 109         LAW_TRGT_IF_DDR_3,
 110         LAW_TRGT_IF_DDR_4,
 111         LAW_TRGT_IF_DDR_INTLV_34,
 112         LAW_TRGT_IF_DDR_INTLV_123,
 113         LAW_TRGT_IF_DDR_INTLV_1234,
 114 };
 115 #define LAW_TRGT_IF_DDR_1       LAW_TRGT_IF_DDR
 116 #define LAW_TRGT_IF_PCI_1       LAW_TRGT_IF_PCI
 117 #define LAW_TRGT_IF_PCIX        LAW_TRGT_IF_PCI
 118 #define LAW_TRGT_IF_PCIE_2      LAW_TRGT_IF_PCI_2
 119 #define LAW_TRGT_IF_RIO_1       LAW_TRGT_IF_RIO
 120 #define LAW_TRGT_IF_IFC         LAW_TRGT_IF_LBC
 121
 122 #ifdef CONFIG_MPC8641
 123 #define LAW_TRGT_IF_PCIE_1      LAW_TRGT_IF_PCI
 124 #endif
 125
 126 #if defined(CONFIG_MPC8572) || defined(CONFIG_P2020)
 127 #define LAW_TRGT_IF_PCIE_3      LAW_TRGT_IF_PCI
 128 #endif
 129 #endif /* CONFIG_FSL_CORENET */
 130
 131 struct law_entry {
 132         int index;
 133         phys_addr_t addr;
 134         enum law_size size;
 135         enum law_trgt_if trgt_id;
 136 };
 137
 138 extern void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 139 extern int set_next_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 140 extern int set_last_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 141 extern int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id);
 142 extern struct law_entry find_law(phys_addr_t addr);
 143 extern void disable_law(u8 idx);
 144 extern void init_laws(void);
 145 extern void print_laws(void);
 146
 147 /* define in board code */
 148 extern struct law_entry law_table[];
 149 extern int num_law_entries;
 150 #endif