1 /* 2 * (C) Copyright 2009 3 * Marvell Semiconductor <www.marvell.com> 4 * Written-by: Prafulla Wadaskar <prafulla@marvell.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #ifndef _MVEBU_CPU_H 10 #define _MVEBU_CPU_H 11 12 #include <asm/system.h> 13 14 #ifndef __ASSEMBLY__ 15 16 #define MVEBU_REG_PCIE_DEVID (MVEBU_REG_PCIE_BASE + 0x00) 17 #define MVEBU_REG_PCIE_REVID (MVEBU_REG_PCIE_BASE + 0x08) 18 19 enum memory_bank { 20 BANK0, 21 BANK1, 22 BANK2, 23 BANK3 24 }; 25 26 enum cpu_winen { 27 CPU_WIN_DISABLE, 28 CPU_WIN_ENABLE 29 }; 30 31 enum cpu_target { 32 CPU_TARGET_DRAM = 0x0, 33 CPU_TARGET_DEVICEBUS_BOOTROM_SPI = 0x1, 34 CPU_TARGET_ETH23 = 0x3, 35 CPU_TARGET_PCIE02 = 0x4, 36 CPU_TARGET_ETH01 = 0x7, 37 CPU_TARGET_PCIE13 = 0x8, 38 CPU_TARGET_SASRAM = 0x9, 39 CPU_TARGET_SATA01 = 0xa, /* A38X */ 40 CPU_TARGET_NAND = 0xd, 41 CPU_TARGET_SATA23_DFX = 0xe, /* A38X */ 42 }; 43 44 enum cpu_attrib { 45 CPU_ATTR_SASRAM = 0x01, 46 CPU_ATTR_DRAM_CS0 = 0x0e, 47 CPU_ATTR_DRAM_CS1 = 0x0d, 48 CPU_ATTR_DRAM_CS2 = 0x0b, 49 CPU_ATTR_DRAM_CS3 = 0x07, 50 CPU_ATTR_NANDFLASH = 0x2f, 51 CPU_ATTR_SPIFLASH = 0x1e, 52 CPU_ATTR_SPI0_CS0 = 0x1e, 53 CPU_ATTR_SPI0_CS1 = 0x5e, 54 CPU_ATTR_SPI1_CS2 = 0x9a, 55 CPU_ATTR_BOOTROM = 0x1d, 56 CPU_ATTR_PCIE_IO = 0xe0, 57 CPU_ATTR_PCIE_MEM = 0xe8, 58 CPU_ATTR_DEV_CS0 = 0x3e, 59 CPU_ATTR_DEV_CS1 = 0x3d, 60 CPU_ATTR_DEV_CS2 = 0x3b, 61 CPU_ATTR_DEV_CS3 = 0x37, 62 }; 63 64 enum { 65 MVEBU_SOC_AXP, 66 MVEBU_SOC_A375, 67 MVEBU_SOC_A38X, 68 MVEBU_SOC_MSYS, 69 MVEBU_SOC_UNKNOWN, 70 }; 71 72 /* 73 * Default Device Address MAP BAR values 74 */ 75 #define MBUS_PCI_MEM_BASE 0xE8000000 76 #define MBUS_PCI_MEM_SIZE (128 << 20) 77 #define MBUS_PCI_IO_BASE 0xF1100000 78 #define MBUS_PCI_IO_SIZE (64 << 10) 79 #define MBUS_SPI_BASE 0xF4000000 80 #define MBUS_SPI_SIZE (8 << 20) 81 #define MBUS_BOOTROM_BASE 0xF8000000 82 #define MBUS_BOOTROM_SIZE (8 << 20) 83 84 struct mbus_win { 85 u32 base; 86 u32 size; 87 u8 target; 88 u8 attr; 89 }; 90 91 /* 92 * System registers 93 * Ref: Datasheet sec:A.28 94 */ 95 struct mvebu_system_registers { 96 #if defined(CONFIG_ARMADA_375) 97 u8 pad1[0x54]; 98 #else 99 u8 pad1[0x60]; 100 #endif 101 u32 rstoutn_mask; /* 0x60 */ 102 u32 sys_soft_rst; /* 0x64 */ 103 }; 104 105 /* 106 * GPIO Registers 107 * Ref: Datasheet sec:A.19 108 */ 109 struct kwgpio_registers { 110 u32 dout; 111 u32 oe; 112 u32 blink_en; 113 u32 din_pol; 114 u32 din; 115 u32 irq_cause; 116 u32 irq_mask; 117 u32 irq_level; 118 }; 119 120 struct sar_freq_modes { 121 u8 val; 122 u8 ffc; /* Fabric Frequency Configuration */ 123 u32 p_clk; 124 u32 nb_clk; 125 u32 d_clk; 126 }; 127 128 /* Needed for dynamic (board-specific) mbus configuration */ 129 extern struct mvebu_mbus_state mbus_state; 130 131 /* 132 * functions 133 */ 134 unsigned int mvebu_sdram_bar(enum memory_bank bank); 135 unsigned int mvebu_sdram_bs(enum memory_bank bank); 136 void mvebu_sdram_size_adjust(enum memory_bank bank); 137 int mvebu_mbus_probe(struct mbus_win windows[], int count); 138 int mvebu_soc_family(void); 139 u32 mvebu_get_nand_clock(void); 140 141 void return_to_bootrom(void); 142 143 int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks); 144 145 void get_sar_freq(struct sar_freq_modes *sar_freq); 146 147 /* 148 * Highspeed SERDES PHY config init, ported from bin_hdr 149 * to mainline U-Boot 150 */ 151 int serdes_phy_config(void); 152 153 /* 154 * DDR3 init / training code ported from Marvell bin_hdr. Now 155 * available in mainline U-Boot in: 156 * drivers/ddr/marvell 157 */ 158 int ddr3_init(void); 159 160 struct mvebu_lcd_info { 161 u32 fb_base; 162 int x_res; 163 int y_res; 164 int x_fp; /* frontporch */ 165 int y_fp; 166 int x_bp; /* backporch */ 167 int y_bp; 168 }; 169 170 int mvebu_lcd_register_init(struct mvebu_lcd_info *lcd_info); 171 172 /* 173 * get_ref_clk 174 * 175 * return: reference clock in MHz (25 or 40) 176 */ 177 u32 get_ref_clk(void); 178 179 #endif /* __ASSEMBLY__ */ 180 #endif /* _MVEBU_CPU_H */ 181