arch/powerpc/include/asm/fsl_law.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright 2008-2011 Freescale Semiconductor, Inc.
   4  */
   5
   6 #ifndef _FSL_LAW_H_
   7 #define _FSL_LAW_H_
   8
   9 #include <asm/io.h>
  10 #include <linux/log2.h>
  11
  12 #define LAW_EN  0x80000000
  13
  14 #define SET_LAW_ENTRY(idx, a, sz, trgt) \
  15         { .index = idx, .addr = a, .size = sz, .trgt_id = trgt }
  16
  17 #define SET_LAW(a, sz, trgt) \
  18         { .index = -1, .addr = a, .size = sz, .trgt_id = trgt }
  19
  20 enum law_size {
  21         LAW_SIZE_4K = 0xb,
  22         LAW_SIZE_8K,
  23         LAW_SIZE_16K,
  24         LAW_SIZE_32K,
  25         LAW_SIZE_64K,
  26         LAW_SIZE_128K,
  27         LAW_SIZE_256K,
  28         LAW_SIZE_512K,
  29         LAW_SIZE_1M,
  30         LAW_SIZE_2M,
  31         LAW_SIZE_4M,
  32         LAW_SIZE_8M,
  33         LAW_SIZE_16M,
  34         LAW_SIZE_32M,
  35         LAW_SIZE_64M,
  36         LAW_SIZE_128M,
  37         LAW_SIZE_256M,
  38         LAW_SIZE_512M,
  39         LAW_SIZE_1G,
  40         LAW_SIZE_2G,
  41         LAW_SIZE_4G,
  42         LAW_SIZE_8G,
  43         LAW_SIZE_16G,
  44         LAW_SIZE_32G,
  45 };
  46
  47 #define law_size_bits(sz)       (__ilog2_u64(sz) - 1)
  48 #define lawar_size(x)   (1ULL << ((x & 0x3f) + 1))
  49
  50 #ifdef CONFIG_FSL_CORENET
  51 enum law_trgt_if {
  52         LAW_TRGT_IF_PCIE_1 = 0x00,
  53         LAW_TRGT_IF_PCIE_2 = 0x01,
  54         LAW_TRGT_IF_PCIE_3 = 0x02,
  55         LAW_TRGT_IF_PCIE_4 = 0x03,
  56         LAW_TRGT_IF_RIO_1 = 0x08,
  57         LAW_TRGT_IF_RIO_2 = 0x09,
  58
  59         LAW_TRGT_IF_DDR_1 = 0x10,
  60         LAW_TRGT_IF_DDR_2 = 0x11,       /* 2nd controller */
  61         LAW_TRGT_IF_DDR_3 = 0x12,
  62         LAW_TRGT_IF_DDR_4 = 0x13,
  63         LAW_TRGT_IF_DDR_INTRLV = 0x14,
  64         LAW_TRGT_IF_DDR_INTLV_34 = 0x15,
  65         LAW_TRGT_IF_DDR_INTLV_123 = 0x17,
  66         LAW_TRGT_IF_DDR_INTLV_1234 = 0x16,
  67         LAW_TRGT_IF_BMAN = 0x18,
  68         LAW_TRGT_IF_DCSR = 0x1d,
  69         LAW_TRGT_IF_CCSR = 0x1e,
  70         LAW_TRGT_IF_LBC = 0x1f,
  71         LAW_TRGT_IF_QMAN = 0x3c,
  72
  73         LAW_TRGT_IF_MAPLE = 0x50,
  74 };
  75 #define LAW_TRGT_IF_DDR         LAW_TRGT_IF_DDR_1
  76 #define LAW_TRGT_IF_IFC         LAW_TRGT_IF_LBC
  77 #else
  78 enum law_trgt_if {
  79         LAW_TRGT_IF_PCI = 0x00,
  80         LAW_TRGT_IF_PCI_2 = 0x01,
  81 #if defined(CONFIG_ARCH_BSC9131) || defined(CONFIG_ARCH_BSC9132)
  82         LAW_TRGT_IF_OCN_DSP = 0x03,
  83 #else
  84 #if !defined(CONFIG_ARCH_P2020)
  85         LAW_TRGT_IF_PCIE_3 = 0x03,
  86 #endif
  87 #endif
  88         LAW_TRGT_IF_LBC = 0x04,
  89         LAW_TRGT_IF_CCSR = 0x08,
  90         LAW_TRGT_IF_DSP_CCSR = 0x09,
  91         LAW_TRGT_IF_PLATFORM_SRAM = 0x0a,
  92         LAW_TRGT_IF_DDR_INTRLV = 0x0b,
  93         LAW_TRGT_IF_RIO = 0x0c,
  94 #if defined(CONFIG_ARCH_BSC9132)
  95         LAW_TRGT_IF_CLASS_DSP = 0x0d,
  96 #else
  97         LAW_TRGT_IF_RIO_2 = 0x0d,
  98 #endif
  99         LAW_TRGT_IF_DPAA_SWP_SRAM = 0x0e,
 100         LAW_TRGT_IF_DDR = 0x0f,
 101         LAW_TRGT_IF_DDR_2 = 0x16,       /* 2nd controller */
 102         /* place holder for 3-way and 4-way interleaving */
 103         LAW_TRGT_IF_DDR_3,
 104         LAW_TRGT_IF_DDR_4,
 105         LAW_TRGT_IF_DDR_INTLV_34,
 106         LAW_TRGT_IF_DDR_INTLV_123,
 107         LAW_TRGT_IF_DDR_INTLV_1234,
 108 };
 109 #define LAW_TRGT_IF_DDR_1       LAW_TRGT_IF_DDR
 110 #define LAW_TRGT_IF_PCI_1       LAW_TRGT_IF_PCI
 111 #define LAW_TRGT_IF_PCIX        LAW_TRGT_IF_PCI
 112 #define LAW_TRGT_IF_PCIE_2      LAW_TRGT_IF_PCI_2
 113 #define LAW_TRGT_IF_RIO_1       LAW_TRGT_IF_RIO
 114 #define LAW_TRGT_IF_IFC         LAW_TRGT_IF_LBC
 115
 116 #if defined(CONFIG_ARCH_P2020)
 117 #define LAW_TRGT_IF_PCIE_3      LAW_TRGT_IF_PCI
 118 #endif
 119 #endif /* CONFIG_FSL_CORENET */
 120
 121 struct law_entry {
 122         int index;
 123         phys_addr_t addr;
 124         enum law_size size;
 125         enum law_trgt_if trgt_id;
 126 };
 127
 128 extern void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 129 extern int set_next_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 130 extern int set_last_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
 131 extern int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id);
 132 extern struct law_entry find_law(phys_addr_t addr);
 133 extern void disable_law(u8 idx);
 134 extern void init_laws(void);
 135 extern void print_laws(void);
 136
 137 /* define in board code */
 138 extern struct law_entry law_table[];
 139 extern int num_law_entries;
 140 #endif