1*4882a593Smuzhiyun/* 2*4882a593Smuzhiyun * Board-specific sbf ddr/sdram init. 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * (C) Copyright 2017 Angelo Dureghello <angelo@sysam.it> 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun.global sbf_dram_init 10*4882a593Smuzhiyun.text 11*4882a593Smuzhiyun 12*4882a593Smuzhiyunsbf_dram_init: 13*4882a593Smuzhiyun move.l #0xFC04002D, %a1 14*4882a593Smuzhiyun move.b #46, (%a1) /* DDR */ 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* slew settings */ 17*4882a593Smuzhiyun move.l #0xEC094060, %a1 18*4882a593Smuzhiyun move.b #0, (%a1) 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun /* use vco instead of cpu*2 clock for ddr clock */ 21*4882a593Smuzhiyun move.l #0xEC09001A, %a1 22*4882a593Smuzhiyun move.w #0xE01D, (%a1) 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /* DDR settings */ 25*4882a593Smuzhiyun move.l #0xFC0B8180, %a1 26*4882a593Smuzhiyun move.l #0x00000000, (%a1) 27*4882a593Smuzhiyun move.l #0x40000000, (%a1) 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun move.l #0xFC0B81AC, %a1 30*4882a593Smuzhiyun move.l #0x01030203, (%a1) 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun move.l #0xFC0B8000, %a1 33*4882a593Smuzhiyun move.l #0x01010101, (%a1)+ /* 0x00 */ 34*4882a593Smuzhiyun move.l #0x00000101, (%a1)+ /* 0x04 */ 35*4882a593Smuzhiyun move.l #0x01010100, (%a1)+ /* 0x08 */ 36*4882a593Smuzhiyun move.l #0x01010000, (%a1)+ /* 0x0C */ 37*4882a593Smuzhiyun move.l #0x00010101, (%a1)+ /* 0x10 */ 38*4882a593Smuzhiyun move.l #0xFC0B8018, %a1 39*4882a593Smuzhiyun move.l #0x00010100, (%a1)+ /* 0x18 */ 40*4882a593Smuzhiyun move.l #0x00000001, (%a1)+ /* 0x1C */ 41*4882a593Smuzhiyun move.l #0x01000001, (%a1)+ /* 0x20 */ 42*4882a593Smuzhiyun move.l #0x00000100, (%a1)+ /* 0x24 */ 43*4882a593Smuzhiyun move.l #0x00010001, (%a1)+ /* 0x28 */ 44*4882a593Smuzhiyun move.l #0x00000200, (%a1)+ /* 0x2C */ 45*4882a593Smuzhiyun move.l #0x01000002, (%a1)+ /* 0x30 */ 46*4882a593Smuzhiyun move.l #0x00000000, (%a1)+ /* 0x34 */ 47*4882a593Smuzhiyun move.l #0x00000100, (%a1)+ /* 0x38 */ 48*4882a593Smuzhiyun move.l #0x02000100, (%a1)+ /* 0x3C */ 49*4882a593Smuzhiyun move.l #0x02000407, (%a1)+ /* 0x40 */ 50*4882a593Smuzhiyun move.l #0x02030007, (%a1)+ /* 0x44 */ 51*4882a593Smuzhiyun move.l #0x02000100, (%a1)+ /* 0x48 */ 52*4882a593Smuzhiyun move.l #0x0A030203, (%a1)+ /* 0x4C */ 53*4882a593Smuzhiyun move.l #0x00020708, (%a1)+ /* 0x50 */ 54*4882a593Smuzhiyun move.l #0x00050008, (%a1)+ /* 0x54 */ 55*4882a593Smuzhiyun move.l #0x04030002, (%a1)+ /* 0x58 */ 56*4882a593Smuzhiyun move.l #0x00000004, (%a1)+ /* 0x5C */ 57*4882a593Smuzhiyun move.l #0x020A0000, (%a1)+ /* 0x60 */ 58*4882a593Smuzhiyun move.l #0x0C00000E, (%a1)+ /* 0x64 */ 59*4882a593Smuzhiyun move.l #0x00002004, (%a1)+ /* 0x68 */ 60*4882a593Smuzhiyun move.l #0x00000000, (%a1)+ /* 0x6C */ 61*4882a593Smuzhiyun move.l #0x00100010, (%a1)+ /* 0x70 */ 62*4882a593Smuzhiyun move.l #0x00100010, (%a1)+ /* 0x74 */ 63*4882a593Smuzhiyun move.l #0x00000000, (%a1)+ /* 0x78 */ 64*4882a593Smuzhiyun move.l #0x07990000, (%a1)+ /* 0x7C */ 65*4882a593Smuzhiyun move.l #0xFC0B80A0, %a1 66*4882a593Smuzhiyun move.l #0x00000000, (%a1)+ /* 0xA0 */ 67*4882a593Smuzhiyun move.l #0x00C80064, (%a1)+ /* 0xA4 */ 68*4882a593Smuzhiyun move.l #0x44520002, (%a1)+ /* 0xA8 */ 69*4882a593Smuzhiyun move.l #0x00C80023, (%a1)+ /* 0xAC */ 70*4882a593Smuzhiyun move.l #0xFC0B80B4, %a1 71*4882a593Smuzhiyun move.l #0x0000C350, (%a1) /* 0xB4 */ 72*4882a593Smuzhiyun move.l #0xFC0B80E0, %a1 73*4882a593Smuzhiyun move.l #0x04000000, (%a1)+ /* 0xE0 */ 74*4882a593Smuzhiyun move.l #0x03000304, (%a1)+ /* 0xE4 */ 75*4882a593Smuzhiyun move.l #0x40040000, (%a1)+ /* 0xE8 */ 76*4882a593Smuzhiyun move.l #0xC0004004, (%a1)+ /* 0xEC */ 77*4882a593Smuzhiyun move.l #0x0642C000, (%a1)+ /* 0xF0 */ 78*4882a593Smuzhiyun move.l #0x00000642, (%a1)+ /* 0xF4 */ 79*4882a593Smuzhiyun move.l #0xFC0B8024, %a1 80*4882a593Smuzhiyun tpf 81*4882a593Smuzhiyun move.l #0x01000100, (%a1) /* 0x24 */ 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun move.l #0x2000, %d1 84*4882a593Smuzhiyun bsr asm_delay 85*4882a593Smuzhiyun 86*4882a593Smuzhiyun rts 87