wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2000 |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * board/config.h - configuration options, board specific |
| 10 | */ |
| 11 | |
| 12 | #ifndef __CONFIG_H |
| 13 | #define __CONFIG_H |
| 14 | |
| 15 | /* |
| 16 | * High Level Configuration Options |
| 17 | * (easy to change) |
| 18 | */ |
| 19 | |
| 20 | #define CONFIG_MPC850 1 /* This is a MPC850 CPU */ |
| 21 | #define CONFIG_ESTEEM192E 1 /* ...on a EST ESTEEM192E */ |
| 22 | |
Wolfgang Denk | 2ae1824 | 2010-10-06 09:05:45 +0200 | [diff] [blame] | 23 | #define CONFIG_SYS_TEXT_BASE 0x40000000 |
| 24 | |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 25 | #define CONFIG_FLASH_16BIT 1 /* Rom 16 bit data bus */ |
| 26 | |
| 27 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
| 28 | #undef CONFIG_8xx_CONS_SMC2 |
| 29 | #undef CONFIG_8xx_CONS_NONE |
| 30 | |
| 31 | #define MPC8XX_FACT 10 /* Multiply by 10 */ |
| 32 | #define MPC8XX_XIN 4915200 /* 4.915200 MHz in - ??? - XXX */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 33 | #define CONFIG_SYS_PLPRCR_MF ((MPC8XX_FACT-1) << 20) |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 34 | #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT)) /* 49,152,000 Hz */ |
| 35 | |
| 36 | #define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ /* Force it - dont measure it */ |
| 37 | |
| 38 | #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ |
| 39 | |
| 40 | #define CONFIG_BAUDRATE 9600 |
| 41 | #if 0 |
| 42 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ |
| 43 | #else |
| 44 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
| 45 | #endif |
| 46 | #define CONFIG_BOOTCOMMAND "bootm 40030000" /* autoboot command */ |
| 47 | |
| 48 | #define CONFIG_BOOTARGS "root=/dev/ram rw ramdisk=8192 " \ |
| 49 | "ip=100.100.100.21:100.100.100.14:100.100.100.1:255.0.0.0 " |
| 50 | /* |
| 51 | * Miscellaneous configurable options |
| 52 | */ |
| 53 | |
| 54 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 55 | #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 56 | |
| 57 | #undef CONFIG_WATCHDOG /* watchdog disabled */ |
| 58 | |
Jon Loeliger | 5d2ebe1 | 2007-07-09 21:16:53 -0500 | [diff] [blame] | 59 | /* |
| 60 | * BOOTP options |
| 61 | */ |
| 62 | #define CONFIG_BOOTP_SUBNETMASK |
| 63 | #define CONFIG_BOOTP_GATEWAY |
| 64 | #define CONFIG_BOOTP_HOSTNAME |
| 65 | #define CONFIG_BOOTP_BOOTPATH |
| 66 | #define CONFIG_BOOTP_BOOTFILESIZE |
| 67 | |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 68 | |
Jon Loeliger | dcaa715 | 2007-07-07 20:56:05 -0500 | [diff] [blame] | 69 | /* |
| 70 | * Command line configuration. |
| 71 | */ |
| 72 | #include <config_cmd_default.h> |
| 73 | |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 74 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 75 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
| 76 | #define CONFIG_SYS_PROMPT "BOOT: " /* Monitor Command Prompt */ |
| 77 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
| 78 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ |
| 79 | #define CONFIG_SYS_MAXARGS 8 /* max number of command args */ |
| 80 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 81 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 82 | #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */ |
| 83 | #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 84 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 85 | #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 86 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 87 | #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 88 | |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 89 | /* |
| 90 | * Low Level Configuration Settings |
| 91 | * (address mappings, register initial values, etc.) |
| 92 | * You should know what you are doing if you make changes here. |
| 93 | */ |
| 94 | /*----------------------------------------------------------------------- |
| 95 | * Internal Memory Mapped Register |
| 96 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 97 | #define CONFIG_SYS_IMMR 0xFF000000 |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 98 | |
| 99 | /*----------------------------------------------------------------------- |
| 100 | * Definitions for initial stack pointer and data area (in DPRAM) |
| 101 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 102 | #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
Wolfgang Denk | 553f098 | 2010-10-26 13:32:32 +0200 | [diff] [blame] | 103 | #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */ |
Wolfgang Denk | 25ddd1f | 2010-10-26 14:34:52 +0200 | [diff] [blame] | 104 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 105 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 106 | |
| 107 | |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 108 | /*----------------------------------------------------------------------- |
| 109 | * Start addresses for the final memory configuration |
| 110 | * (Set up by the startup code) |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 111 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 112 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 113 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 |
| 114 | #define CONFIG_SYS_FLASH_BASE 0x40000000 |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 115 | #ifdef DEBUG |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 116 | #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 117 | #else |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 118 | #define CONFIG_SYS_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 119 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 120 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE |
| 121 | #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 122 | |
| 123 | /* |
| 124 | * For booting Linux, the board info and command line data |
| 125 | * have to be in the first 8 MB of memory, since this is |
| 126 | * the maximum mapped by the Linux kernel during initialization. |
| 127 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 128 | #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 129 | /*----------------------------------------------------------------------- |
| 130 | * FLASH organization |
| 131 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 132 | #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */ |
| 133 | #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 134 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 135 | #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
| 136 | #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 137 | |
Jean-Christophe PLAGNIOL-VILLARD | 5a1aceb | 2008-09-10 22:48:04 +0200 | [diff] [blame] | 138 | #define CONFIG_ENV_IS_IN_FLASH 1 |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 139 | #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */ |
| 140 | #define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 141 | /*----------------------------------------------------------------------- |
| 142 | * Cache Configuration |
| 143 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 144 | #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 145 | |
| 146 | /*----------------------------------------------------------------------- |
| 147 | * SYPCR - System Protection Control 11-9 |
| 148 | * SYPCR can only be written once after reset! |
| 149 | *----------------------------------------------------------------------- |
| 150 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze |
| 151 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 152 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 153 | |
| 154 | /*----------------------------------------------------------------------- |
| 155 | * SUMCR - SIU Module Configuration 11-6 |
| 156 | *----------------------------------------------------------------------- |
| 157 | * PCMCIA config., multi-function pin tri-state |
| 158 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 159 | #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) /* DBGC00 */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 160 | |
| 161 | /*----------------------------------------------------------------------- |
| 162 | * TBSCR - Time Base Status and Control 11-26 |
| 163 | *----------------------------------------------------------------------- |
| 164 | * Clear Reference Interrupt Status, Timebase freezing enabled |
| 165 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 166 | #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE) |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 167 | |
| 168 | /* (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) */ |
| 169 | |
| 170 | |
| 171 | /*----------------------------------------------------------------------- |
| 172 | * PISCR - Periodic Interrupt Status and Control 11-31 |
| 173 | *----------------------------------------------------------------------- |
| 174 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled |
| 175 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 176 | #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF) |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 177 | |
| 178 | /*----------------------------------------------------------------------- |
| 179 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 |
| 180 | *----------------------------------------------------------------------- |
| 181 | * Reset PLL lock status sticky bit, timer expired status bit and timer |
| 182 | * interrupt status bit - leave PLL multiplication factor unchanged ! |
| 183 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 184 | #define CONFIG_SYS_PLPRCR (CONFIG_SYS_PLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 185 | |
| 186 | /*----------------------------------------------------------------------- |
| 187 | * SCCR - System Clock and reset Control Register 15-27 |
| 188 | *----------------------------------------------------------------------- |
| 189 | * Set clock output, timebase and RTC source and divider, |
| 190 | * power management and some other internal clocks |
| 191 | */ |
| 192 | #define SCCR_MASK SCCR_EBDF11 |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 193 | #define CONFIG_SYS_SCCR (SCCR_TBS | \ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 194 | SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
| 195 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ |
| 196 | SCCR_DFALCD00) |
| 197 | |
| 198 | /*----------------------------------------------------------------------- |
| 199 | * PCMCIA stuff |
| 200 | *----------------------------------------------------------------------- |
| 201 | * |
| 202 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 203 | #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000) |
| 204 | #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 ) |
| 205 | #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000) |
| 206 | #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 ) |
| 207 | #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000) |
| 208 | #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 ) |
| 209 | #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000) |
| 210 | #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 ) |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 211 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 212 | #define CONFIG_SYS_PCMCIA_INTERRUPT SIU_LEVEL6 |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 213 | |
| 214 | /*----------------------------------------------------------------------- |
| 215 | * |
| 216 | *----------------------------------------------------------------------- |
| 217 | * |
| 218 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 219 | /*#define CONFIG_SYS_DER 0x2002000F*/ |
| 220 | #define CONFIG_SYS_DER 0 |
| 221 | /*#define CONFIG_SYS_DER 0x02002000 */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 222 | |
| 223 | |
| 224 | /* |
| 225 | * Init Memory Controller: |
| 226 | * |
| 227 | * BR0/1 and OR0/1 (FLASH) |
| 228 | */ |
| 229 | |
| 230 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ |
| 231 | #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */ |
| 232 | |
| 233 | /* used to re-map FLASH both when starting from SRAM or FLASH: |
| 234 | * restrict access enough to keep SRAM working (if any) |
| 235 | * but not too much to meddle with FLASH accesses |
| 236 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 237 | #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */ |
| 238 | #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 239 | |
| 240 | /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 241 | #define CONFIG_SYS_OR_TIMING_FLASH 0x00000160 |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 242 | /*(OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \ |
| 243 | OR_SCY_5_CLK | OR_EHTR) */ |
| 244 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 245 | #define CONFIG_SYS_OR0_REMAP 0x80000160 /*(CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)*/ |
| 246 | #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) |
| 247 | #define CONFIG_SYS_BR0_PRELIM ( FLASH_BASE0_PRELIM | 0x00000801 ) |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 248 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 249 | #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP |
| 250 | #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM |
| 251 | #define CONFIG_SYS_BR1_PRELIM ( FLASH_BASE1_PRELIM | 0x00000801 ) |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 252 | |
| 253 | /* |
| 254 | * BR2/3 and OR2/3 (SDRAM) |
| 255 | * |
| 256 | */ |
| 257 | #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ |
| 258 | #define SDRAM_BASE3_PRELIM 0x04000000 /* SDRAM bank #1 */ |
| 259 | #define SDRAM_MAX_SIZE 0x02000000 /* max 32 MB per bank */ |
| 260 | |
| 261 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 262 | #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00 |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 263 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 264 | #define CONFIG_SYS_OR2_PRELIM 0xFC000E00 |
| 265 | #define CONFIG_SYS_BR2_PRELIM (SDRAM_BASE2_PRELIM | 0x00000081) |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 266 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 267 | #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM |
| 268 | #define CONFIG_SYS_BR3_PRELIM (SDRAM_BASE3_PRELIM | 0x00000081) |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 269 | |
| 270 | |
| 271 | /* |
| 272 | * Memory Periodic Timer Prescaler |
| 273 | */ |
| 274 | |
| 275 | /* periodic timer for refresh */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 276 | #define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 277 | |
| 278 | /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 279 | #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ |
| 280 | #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 281 | |
| 282 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 283 | #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ |
| 284 | #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 285 | |
| 286 | /* |
| 287 | * MAMR settings for SDRAM |
| 288 | */ |
| 289 | |
| 290 | /* 8 column SDRAM */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 291 | #define CONFIG_SYS_MAMR_8COL 0x18803112 |
| 292 | #define CONFIG_SYS_MAMR_9COL 0x18803112 /* same as 8 column because its just easier to port with*/ |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 293 | |
wdenk | 0f8c976 | 2002-08-19 11:57:05 +0000 | [diff] [blame] | 294 | #endif /* __CONFIG_H */ |