Stefano Babic | f8f8acd | 2010-07-06 19:32:09 +0200 | [diff] [blame] | 1 | # |
| 2 | # (C) Copyright 2009 |
| 3 | # Stefano Babic DENX Software Engineering sbabic@denx.de. |
| 4 | # |
| 5 | # (C) Copyright 2010 |
| 6 | # Klaus Steinhammer TTECH Control Gmbh kst@tttech.com |
| 7 | # |
| 8 | # See file CREDITS for list of people who contributed to this |
| 9 | # project. |
| 10 | # |
| 11 | # This program is free software; you can redistribute it and/or |
| 12 | # modify it under the terms of the GNU General Public License as |
| 13 | # published by the Free Software Foundation; either version 2 of |
| 14 | # the License or (at your option) any later version. |
| 15 | # |
| 16 | # This program is distributed in the hope that it will be useful, |
| 17 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | # GNU General Public License for more details. |
| 20 | # |
| 21 | # You should have received a copy of the GNU General Public License |
| 22 | # along with this program; if not write to the Free Software |
| 23 | # Foundation Inc. 51 Franklin Street Fifth Floor Boston, |
| 24 | # MA 02110-1301 USA |
| 25 | # |
| 26 | # Refer docs/README.imxmage for more details about how-to configure |
| 27 | # and create imximage boot image |
| 28 | # |
| 29 | # The syntax is taken as close as possible with the kwbimage |
| 30 | |
| 31 | # Boot Device : one of |
| 32 | # spi, nand, onenand, sd |
| 33 | |
| 34 | BOOT_FROM spi |
| 35 | |
| 36 | # Device Configuration Data (DCD) |
| 37 | # |
| 38 | # Each entry must have the format: |
| 39 | # Addr-type Address Value |
| 40 | # |
| 41 | # where: |
| 42 | # Addr-type register length (1,2 or 4 bytes) |
| 43 | # Address absolute address of the register |
| 44 | # value value to be stored in the register |
| 45 | |
| 46 | ####################### |
| 47 | ### Disable WDOG ### |
| 48 | ####################### |
| 49 | DATA 2 0x73f98000 0x30 |
| 50 | |
| 51 | ####################### |
| 52 | ### SET DDR Clk ### |
| 53 | ####################### |
| 54 | |
| 55 | # CCM: CBMCR - ddr_clk_sel: axi_b (133MHz) |
| 56 | DATA 4 0x73FD4018 0x000024C0 |
| 57 | |
| 58 | # DOUBLE SPI CLK (13MHz->26 MHz Clock) |
| 59 | DATA 4 0x73FD4038 0x2010241 |
| 60 | |
| 61 | #IOMUXC_SW_PAD_CTL_PAD_CSPI1_MOSI HYS_ENABLE | DRV_MAX | SRE_FAST |
| 62 | DATA 4 0x73fa8600 0x00000107 |
| 63 | #IOMUXC_SW_PAD_CTL_PAD_CSPI1_MISO HYS_ENABLE | DRV_MAX | SRE_FAST |
| 64 | DATA 4 0x73fa8604 0x00000107 |
| 65 | #IOMUXC_SW_PAD_CTL_PAD_CSPI1_SS0 HYS_ENABLE | PKE_ENABLE | DRV_MAX | SRE_FAST |
| 66 | DATA 4 0x73fa8608 0x00000187 |
| 67 | #IOMUXC_SW_PAD_CTL_PAD_CSPI1_SS1 HYS_ENABLE | PKE_ENABLE | DRV_MAX | SRE_FAST |
| 68 | DATA 4 0x73fa860c 0x00000187 |
| 69 | #IOMUXC_SW_PAD_CTL_PAD_CSPI1_SCLK HYS_ENABLE | DRV_MAX | SRE_FAST |
| 70 | DATA 4 0x73fa8614 0x00000107 |
| 71 | #IOMUXC_SW_PAD_CTL_PAD_DI1_PIN11 HYS_ENABLE | DRV_MAX | SRE_FAST (CSPI1_SS2) |
| 72 | DATA 4 0x73fa86a8 0x00000187 |
| 73 | |
| 74 | ####################### |
| 75 | ### Settings IOMUXC ### |
| 76 | ####################### |
| 77 | |
| 78 | # DDR IOMUX configuration |
| 79 | # Control, Data, Address pads are in their default state: HIGH DS, FAST SR. |
| 80 | # IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK MAX DS |
| 81 | DATA 4 0x73fa84b8 0x000000e7 |
| 82 | # PVTC MAX (at GPC, PGR reg) |
| 83 | #DATA 4 0x73FD8004 0x1fc00000 |
| 84 | |
| 85 | #DQM0 DS high slew rate slow |
| 86 | DATA 4 0x73fa84d4 0x000000e4 |
| 87 | #DQM1 DS high slew rate slow |
| 88 | DATA 4 0x73fa84d8 0x000000e4 |
| 89 | #DQM2 DS high slew rate slow |
| 90 | DATA 4 0x73fa84dc 0x000000e4 |
| 91 | #DQM3 DS high slew rate slow |
| 92 | DATA 4 0x73fa84e0 0x000000e4 |
| 93 | |
| 94 | #IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0 DS high & SLEW slow |
| 95 | DATA 4 0x73fa84bc 0x000000c4 |
| 96 | #IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1 DS high & SLEW slow |
| 97 | DATA 4 0x73fa84c0 0x000000c4 |
| 98 | #IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS2 DS high & SLEW slow |
| 99 | DATA 4 0x73fa84c4 0x000000c4 |
| 100 | #IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS3 DS high & SLEW slow |
| 101 | DATA 4 0x73fa84c8 0x000000c4 |
| 102 | |
| 103 | #DRAM_DATA B0 |
| 104 | DATA 4 0x73fa88a4 0x00000004 |
| 105 | #DRAM_DATA B1 |
| 106 | DATA 4 0x73fa88ac 0x00000004 |
| 107 | #DRAM_DATA B2 |
| 108 | DATA 4 0x73fa88b8 0x00000004 |
| 109 | #DRAM_DATA B3 |
| 110 | DATA 4 0x73fa882c 0x00000004 |
| 111 | |
| 112 | #DRAM_DATA B0 slew rate |
| 113 | DATA 4 0x73fa8878 0x00000000 |
| 114 | #DRAM_DATA B1 slew rate |
| 115 | DATA 4 0x73fa8880 0x00000000 |
| 116 | #DRAM_DATA B2 slew rate |
| 117 | DATA 4 0x73fa888c 0x00000000 |
| 118 | #DRAM_DATA B3 slew rate |
| 119 | DATA 4 0x73fa889c 0x00000000 |
| 120 | |
| 121 | ####################### |
| 122 | ### Configure SDRAM ### |
| 123 | ####################### |
| 124 | |
| 125 | # Configure CS0 |
| 126 | ####################### |
| 127 | |
| 128 | # ESDCTL0: Enable controller |
| 129 | DATA 4 0x83fd9000 0x83220000 |
| 130 | |
| 131 | # Init DRAM on CS0 |
| 132 | # ESDSCR: Precharge command |
| 133 | DATA 4 0x83fd9014 0x04008008 |
| 134 | # ESDSCR: Refresh command |
| 135 | DATA 4 0x83fd9014 0x00008010 |
| 136 | # ESDSCR: Refresh command |
| 137 | DATA 4 0x83fd9014 0x00008010 |
| 138 | # ESDSCR: LMR with CAS=3 and BL=3 (Burst Length = 8) |
| 139 | DATA 4 0x83fd9014 0x00338018 |
| 140 | # ESDSCR: EMR with half Drive strength (= medium strength @ i.MX51) |
| 141 | DATA 4 0x83fd9014 0x0020801a |
| 142 | # ESDSCR |
| 143 | DATA 4 0x83fd9014 0x00008000 |
| 144 | |
| 145 | # ESDSCR: EMR with full Drive strength |
| 146 | #DATA 4 0x83fd9014 0x0000801a |
| 147 | |
| 148 | # ESDCTL0: 14 ROW, 10 COL, 32Bit, SREF=8 |
| 149 | DATA 4 0x83fd9000 0xC3220000 |
| 150 | |
| 151 | # ESDCFG0: tRFC:22clks, tXSR:28clks, tXP:2clks, tWTR:2clk, tRP:3clks, tMRD:2clks |
| 152 | # tRAS:8clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:11clks |
| 153 | #DATA 4 0x83fd9004 0xC33574AA |
| 154 | |
| 155 | #micron mDDR |
| 156 | # ESDCFG0: tRFC:11clks, tXSR:19clks, tXP:1clks, tWTR:2clk, tRP:3clks, tMRD:2clks |
| 157 | # tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks |
| 158 | #DATA 4 0x83FD9004 0x101564a8 |
| 159 | |
| 160 | #hynix mDDR |
| 161 | # ESDCFG0: tRFC:17clks, tXSR:21clks, tXP:3clks, tWTR:1clk, tRP:3clks, tMRD:2clks |
| 162 | # tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks |
| 163 | DATA 4 0x83FD9004 0x704564a8 |
| 164 | |
| 165 | # ESDMISC: AP=10, Bank interleaving on, MIF3 en, RALAT=2 |
| 166 | DATA 4 0x83fd9010 0x000a1700 |
| 167 | |
| 168 | # Configure CS1 |
| 169 | ####################### |
| 170 | |
| 171 | # ESDCTL1: Enable controller |
| 172 | DATA 4 0x83fd9008 0x83220000 |
| 173 | |
| 174 | # Init DRAM on CS1 |
| 175 | # ESDSCR: Precharge command |
| 176 | DATA 4 0x83fd9014 0x0400800c |
| 177 | # ESDSCR: Refresh command |
| 178 | DATA 4 0x83fd9014 0x00008014 |
| 179 | # ESDSCR: Refresh command |
| 180 | DATA 4 0x83fd9014 0x00008014 |
| 181 | # ESDSCR: LMR with CAS=3 and BL=3 (Burst Length = 8) |
| 182 | DATA 4 0x83fd9014 0x0033801c |
| 183 | # ESDSCR: EMR with half Drive strength (= medium strength @ i.MX51) |
| 184 | DATA 4 0x83fd9014 0x0020801e |
| 185 | # ESDSCR |
| 186 | DATA 4 0x83fd9014 0x00008004 |
| 187 | |
| 188 | # ESDCTL1: 14 ROW, 10 COL, 32Bit, SREF=8 |
| 189 | DATA 4 0x83fd9008 0xC3220000 |
| 190 | |
| 191 | # ESDCFG1: tRFC:22clks, tXSR:28clks, tXP:2clks, tWTR:2clk, tRP:3clks, tMRD:2clks |
| 192 | # tRAS:8clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:11clks |
| 193 | #DATA 4 0x83fd900c 0xC33574AA |
| 194 | |
| 195 | #micron mDDR |
| 196 | # ESDCFG1: tRFC:11clks, tXSR:19clks, tXP:1clks, tWTR:2clk, tRP:3clks, tMRD:2clks |
| 197 | # tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks |
| 198 | #DATA 4 0x83FD900C 0x101564a8 |
| 199 | |
| 200 | #hynix mDDR |
| 201 | # ESDCFG0: tRFC:17clks, tXSR:21clks, tXP:3clks, tWTR:1clk, tRP:3clks, tMRD:2clks |
| 202 | # tRAS:7clks, tRRD:2clks, tWR:3clks, tRCD:3clks, tRC:9clks |
| 203 | DATA 4 0x83FD900C 0x704564a8 |
| 204 | |
| 205 | # ESDSCR (mDRAM configuration finished) |
| 206 | DATA 4 0x83FD9014 0x00000004 |
| 207 | |
| 208 | # ESDSCR - clear "configuration request" bit |
| 209 | DATA 4 0x83fd9014 0x00000000 |