arch/powerpc/include/asm/fsl_law.h

   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         LAW_TRGT_IF_MAPLE = 0x50,
  75 };
  76 #define LAW_TRGT_IF_DDR         LAW_TRGT_IF_DDR_1
  77 #define LAW_TRGT_IF_IFC         LAW_TRGT_IF_LBC
  78 #else
  79 enum law_trgt_if {
  80         LAW_TRGT_IF_PCI = 0x00,
  81         LAW_TRGT_IF_PCI_2 = 0x01,
  82 #ifndef CONFIG_MPC8641
  83         LAW_TRGT_IF_PCIE_1 = 0x02,
  84 #endif
  85 #if !defined(CONFIG_MPC8572) && !defined(CONFIG_P2020)
  86         LAW_TRGT_IF_PCIE_3 = 0x03,
  87 #endif
  88         LAW_TRGT_IF_LBC = 0x04,
  89         LAW_TRGT_IF_CCSR = 0x08,
  90         LAW_TRGT_IF_DDR_INTRLV = 0x0b,
  91         LAW_TRGT_IF_RIO = 0x0c,
  92         LAW_TRGT_IF_RIO_2 = 0x0d,
  93         LAW_TRGT_IF_DPAA_SWP_SRAM = 0x0e,
  94         LAW_TRGT_IF_DDR = 0x0f,
  95         LAW_TRGT_IF_DDR_2 = 0x16,       /* 2nd controller */
  96         /* place holder for 3-way and 4-way interleaving */
  97         LAW_TRGT_IF_DDR_3,
  98         LAW_TRGT_IF_DDR_4,
  99         LAW_TRGT_IF_DDR_INTLV_34,
 100         LAW_TRGT_IF_DDR_INTLV_123,
 101         LAW_TRGT_IF_DDR_INTLV_1234,
 102 };
 103 #define LAW_TRGT_IF_DDR_1       LAW_TRGT_IF_DDR
 104 #define LAW_TRGT_IF_PCI_1       LAW_TRGT_IF_PCI
 105 #define LAW_TRGT_IF_PCIX        LAW_TRGT_IF_PCI
 106 #define LAW_TRGT_IF_PCIE_2      LAW_TRGT_IF_PCI_2
 107 #define LAW_TRGT_IF_RIO_1       LAW_TRGT_IF_RIO
 108 #define LAW_TRGT_IF_IFC         LAW_TRGT_IF_LBC
 109
 110 #ifdef CONFIG_MPC8641
 111 #define LAW_TRGT_IF_PCIE_1      LAW_TRGT_IF_PCI
 112 #endif
 113
 114 #if defined(CONFIG_MPC8572) || defined(CONFIG_P2020)
 115 #define LAW_TRGT_IF_PCIE_3      LAW_TRGT_IF_PCI
 116 #endif
 117 #endif /* CONFIG_FSL_CORENET */
 118
 119 struct law_entry {
 120         int index;
 121         phys_addr_t addr;
 122         enum law_size size;
 123         enum law_trgt_if trgt_id;
 124 };
 125
 126 extern void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 127 extern int set_next_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 128 extern int set_last_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 129 extern int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id);
 130 extern struct law_entry find_law(phys_addr_t addr);
 131 extern void disable_law(u8 idx);
 132 extern void init_laws(void);
 133 extern void print_laws(void);
 134
 135 /* define in board code */
 136 extern struct law_entry law_table[];
 137 extern int num_law_entries;
 138 #endif