arch/powerpc/include/asm/fsl_law.h

   1 /*
   2  * Copyright 2008-2011 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0
   5  */
   6
   7 #ifndef _FSL_LAW_H_
   8 #define _FSL_LAW_H_
   9
  10 #include <asm/io.h>
  11 #include <linux/log2.h>
  12
  13 #define LAW_EN  0x80000000
  14
  15 #define SET_LAW_ENTRY(idx, a, sz, trgt) \
  16         { .index = idx, .addr = a, .size = sz, .trgt_id = trgt }
  17
  18 #define SET_LAW(a, sz, trgt) \
  19         { .index = -1, .addr = a, .size = sz, .trgt_id = trgt }
  20
  21 enum law_size {
  22         LAW_SIZE_4K = 0xb,
  23         LAW_SIZE_8K,
  24         LAW_SIZE_16K,
  25         LAW_SIZE_32K,
  26         LAW_SIZE_64K,
  27         LAW_SIZE_128K,
  28         LAW_SIZE_256K,
  29         LAW_SIZE_512K,
  30         LAW_SIZE_1M,
  31         LAW_SIZE_2M,
  32         LAW_SIZE_4M,
  33         LAW_SIZE_8M,
  34         LAW_SIZE_16M,
  35         LAW_SIZE_32M,
  36         LAW_SIZE_64M,
  37         LAW_SIZE_128M,
  38         LAW_SIZE_256M,
  39         LAW_SIZE_512M,
  40         LAW_SIZE_1G,
  41         LAW_SIZE_2G,
  42         LAW_SIZE_4G,
  43         LAW_SIZE_8G,
  44         LAW_SIZE_16G,
  45         LAW_SIZE_32G,
  46 };
  47
  48 #define law_size_bits(sz)       (__ilog2_u64(sz) - 1)
  49 #define lawar_size(x)   (1ULL << ((x & 0x3f) + 1))
  50
  51 #ifdef CONFIG_FSL_CORENET
  52 enum law_trgt_if {
  53         LAW_TRGT_IF_PCIE_1 = 0x00,
  54         LAW_TRGT_IF_PCIE_2 = 0x01,
  55         LAW_TRGT_IF_PCIE_3 = 0x02,
  56         LAW_TRGT_IF_PCIE_4 = 0x03,
  57         LAW_TRGT_IF_RIO_1 = 0x08,
  58         LAW_TRGT_IF_RIO_2 = 0x09,
  59
  60         LAW_TRGT_IF_DDR_1 = 0x10,
  61         LAW_TRGT_IF_DDR_2 = 0x11,       /* 2nd controller */
  62         LAW_TRGT_IF_DDR_3 = 0x12,
  63         LAW_TRGT_IF_DDR_4 = 0x13,
  64         LAW_TRGT_IF_DDR_INTRLV = 0x14,
  65         LAW_TRGT_IF_DDR_INTLV_34 = 0x15,
  66         LAW_TRGT_IF_DDR_INTLV_123 = 0x17,
  67         LAW_TRGT_IF_DDR_INTLV_1234 = 0x16,
  68         LAW_TRGT_IF_BMAN = 0x18,
  69         LAW_TRGT_IF_DCSR = 0x1d,
  70         LAW_TRGT_IF_CCSR = 0x1e,
  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_BSC9131) || defined(CONFIG_BSC9132)
  86         LAW_TRGT_IF_OCN_DSP = 0x03,
  87 #else
  88 #if !defined(CONFIG_MPC8572) && !defined(CONFIG_P2020)
  89         LAW_TRGT_IF_PCIE_3 = 0x03,
  90 #endif
  91 #endif
  92         LAW_TRGT_IF_LBC = 0x04,
  93         LAW_TRGT_IF_CCSR = 0x08,
  94         LAW_TRGT_IF_DSP_CCSR = 0x09,
  95         LAW_TRGT_IF_PLATFORM_SRAM = 0x0a,
  96         LAW_TRGT_IF_DDR_INTRLV = 0x0b,
  97         LAW_TRGT_IF_RIO = 0x0c,
  98 #if defined(CONFIG_BSC9132)
  99         LAW_TRGT_IF_CLASS_DSP = 0x0d,
 100 #else
 101         LAW_TRGT_IF_RIO_2 = 0x0d,
 102 #endif
 103         LAW_TRGT_IF_DPAA_SWP_SRAM = 0x0e,
 104         LAW_TRGT_IF_DDR = 0x0f,
 105         LAW_TRGT_IF_DDR_2 = 0x16,       /* 2nd controller */
 106         /* place holder for 3-way and 4-way interleaving */
 107         LAW_TRGT_IF_DDR_3,
 108         LAW_TRGT_IF_DDR_4,
 109         LAW_TRGT_IF_DDR_INTLV_34,
 110         LAW_TRGT_IF_DDR_INTLV_123,
 111         LAW_TRGT_IF_DDR_INTLV_1234,
 112 };
 113 #define LAW_TRGT_IF_DDR_1       LAW_TRGT_IF_DDR
 114 #define LAW_TRGT_IF_PCI_1       LAW_TRGT_IF_PCI
 115 #define LAW_TRGT_IF_PCIX        LAW_TRGT_IF_PCI
 116 #define LAW_TRGT_IF_PCIE_2      LAW_TRGT_IF_PCI_2
 117 #define LAW_TRGT_IF_RIO_1       LAW_TRGT_IF_RIO
 118 #define LAW_TRGT_IF_IFC         LAW_TRGT_IF_LBC
 119
 120 #ifdef CONFIG_MPC8641
 121 #define LAW_TRGT_IF_PCIE_1      LAW_TRGT_IF_PCI
 122 #endif
 123
 124 #if defined(CONFIG_MPC8572) || defined(CONFIG_P2020)
 125 #define LAW_TRGT_IF_PCIE_3      LAW_TRGT_IF_PCI
 126 #endif
 127 #endif /* CONFIG_FSL_CORENET */
 128
 129 struct law_entry {
 130         int index;
 131         phys_addr_t addr;
 132         enum law_size size;
 133         enum law_trgt_if trgt_id;
 134 };
 135
 136 extern void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 137 extern int set_next_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 138 extern int set_last_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 139 extern int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id);
 140 extern struct law_entry find_law(phys_addr_t addr);
 141 extern void disable_law(u8 idx);
 142 extern void init_laws(void);
 143 extern void print_laws(void);
 144
 145 /* define in board code */
 146 extern struct law_entry law_table[];
 147 extern int num_law_entries;
 148 #endif