diff options
Diffstat (limited to 'include/configs/sbc8548.h')
| -rw-r--r-- | include/configs/sbc8548.h | 151 |
1 files changed, 119 insertions, 32 deletions
diff --git a/include/configs/sbc8548.h b/include/configs/sbc8548.h index ba7612c..d87394c 100644 --- a/include/configs/sbc8548.h +++ b/include/configs/sbc8548.h @@ -57,9 +57,19 @@ #define CONFIG_MPC8548 1 /* MPC8548 specific */ #define CONFIG_SBC8548 1 /* SBC8548 board specific */ +/* + * If you want to boot from the SODIMM flash, instead of the soldered + * on flash, set this, and change JP12, SW2:8 accordingly. + */ +#undef CONFIG_SYS_ALT_BOOT + #ifndef CONFIG_SYS_TEXT_BASE +#ifdef CONFIG_SYS_ALT_BOOT +#define CONFIG_SYS_TEXT_BASE 0xfff00000 +#else #define CONFIG_SYS_TEXT_BASE 0xfffa0000 #endif +#endif #undef CONFIG_RIO @@ -109,9 +119,17 @@ /* DDR Setup */ #define CONFIG_FSL_DDR2 #undef CONFIG_FSL_DDR_INTERACTIVE +#undef CONFIG_DDR_ECC /* only for ECC DDR module */ +/* + * A hardware errata caused the LBC SDRAM SPD and the DDR2 SPD + * to collide, meaning you couldn't reliably read either. So + * physically remove the LBC PC100 SDRAM module from the board + * before enabling the two SPD options below, or check that you + * have the hardware fix on your board via "i2c probe" and looking + * for a device at 0x53. + */ #undef CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup */ #undef CONFIG_DDR_SPD -#undef CONFIG_DDR_ECC /* only for ECC DDR module */ #define CONFIG_ECC_INIT_VIA_DDRCONTROLLER /* DDR controller or DMA? */ #define CONFIG_MEM_INIT_VALUE 0xDeadBeef @@ -124,14 +142,20 @@ #define CONFIG_DIMM_SLOTS_PER_CTLR 1 #define CONFIG_CHIP_SELECTS_PER_CTRL 2 -/* I2C addresses of SPD EEPROMs */ +/* + * The hardware fix for the I2C address collision puts the DDR + * SPD at 0x53, but if we are running on an older board w/o the + * fix, it will still be at 0x51. We check 0x53 1st. + */ #define SPD_EEPROM_ADDRESS 0x51 /* CTLR 0 DIMM 0 */ +#define ALT_SPD_EEPROM_ADDRESS 0x53 /* CTLR 0 DIMM 0 */ /* * Make sure required options are set */ #ifndef CONFIG_SPD_EEPROM #define CONFIG_SYS_SDRAM_SIZE 256 /* DDR is 256MB */ + #define CONFIG_SYS_DDR_CONTROL 0xc300c000 #endif #undef CONFIG_CLOCKS_IN_MHZ @@ -139,28 +163,54 @@ /* * FLASH on the Local Bus * Two banks, one 8MB the other 64MB, using the CFI driver. - * Boot from BR0/OR0 bank at 0xff80_0000 - * Alternate BR6/OR6 bank at 0xfb80_0000 + * JP12+SW2.8 are used to swap CS0 and CS6, defaults are to have + * CS0 the 8MB boot flash, and CS6 the 64MB flash. + * + * Default: + * ec00_0000 efff_ffff 64MB SODIMM + * ff80_0000 ffff_ffff 8MB soldered flash + * + * Alternate: + * ef80_0000 efff_ffff 8MB soldered flash + * fc00_0000 ffff_ffff 64MB SODIMM * - * BR0: + * BR0_8M: * Base address 0 = 0xff80_0000 = BR0[0:16] = 1111 1111 1000 0000 0 * Port Size = 8 bits = BRx[19:20] = 01 * Use GPCM = BRx[24:26] = 000 * Valid = BRx[31] = 1 * - * 0 4 8 12 16 20 24 28 - * 1111 1111 1000 0000 0000 1000 0000 0001 = ff800801 BR0 - * - * BR6: - * Base address 6 = 0xfb80_0000 = BR6[0:16] = 1111 1011 1000 0000 0 + * BR0_64M: + * Base address 0 = 0xfc00_0000 = BR0[0:16] = 1111 1100 0000 0000 0 * Port Size = 32 bits = BRx[19:20] = 11 + * + * 0 4 8 12 16 20 24 28 + * 1111 1111 1000 0000 0000 1000 0000 0001 = ff800801 BR0_8M + * 1111 1100 0000 0000 0001 1000 0000 0001 = fc001801 BR0_64M + */ +#define CONFIG_SYS_BR0_8M 0xff800801 +#define CONFIG_SYS_BR0_64M 0xfc001801 + +/* + * BR6_8M: + * Base address 6 = 0xef80_0000 = BR6[0:16] = 1110 1111 1000 0000 0 + * Port Size = 8 bits = BRx[19:20] = 01 * Use GPCM = BRx[24:26] = 000 * Valid = BRx[31] = 1 + + * BR6_64M: + * Base address 6 = 0xec00_0000 = BR6[0:16] = 1110 1100 0000 0000 0 + * Port Size = 32 bits = BRx[19:20] = 11 * * 0 4 8 12 16 20 24 28 - * 1111 1011 1000 0000 0001 1000 0000 0001 = fb801801 BR6 - * - * OR0: + * 1110 1111 1000 0000 0000 1000 0000 0001 = ef800801 BR6_8M + * 1110 1100 0000 0000 0001 1000 0000 0001 = ec001801 BR6_64M + */ +#define CONFIG_SYS_BR6_8M 0xef800801 +#define CONFIG_SYS_BR6_64M 0xec001801 + +/* + * OR0_8M: * Addr Mask = 8M = OR1[0:16] = 1111 1111 1000 0000 0 * XAM = OR0[17:18] = 11 * CSNT = OR0[20] = 1 @@ -169,11 +219,20 @@ * TRLX = use relaxed timing = OR0[29] = 1 * EAD = use external address latch delay = OR0[31] = 1 * - * 0 4 8 12 16 20 24 28 - * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65 OR0 + * OR0_64M: + * Addr Mask = 64M = OR1[0:16] = 1111 1100 0000 0000 0 + * * - * OR6: - * Addr Mask = 64M = OR6[0:16] = 1111 1000 0000 0000 0 + * 0 4 8 12 16 20 24 28 + * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65 OR0_8M + * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65 OR0_64M + */ +#define CONFIG_SYS_OR0_8M 0xff806e65 +#define CONFIG_SYS_OR0_64M 0xfc006e65 + +/* + * OR6_8M: + * Addr Mask = 8M = OR6[0:16] = 1111 1111 1000 0000 0 * XAM = OR6[17:18] = 11 * CSNT = OR6[20] = 1 * ACS = half cycle delay = OR6[21:22] = 11 @@ -181,20 +240,37 @@ * TRLX = use relaxed timing = OR6[29] = 1 * EAD = use external address latch delay = OR6[31] = 1 * + * OR6_64M: + * Addr Mask = 64M = OR6[0:16] = 1111 1100 0000 0000 0 + * * 0 4 8 12 16 20 24 28 - * 1111 1000 0000 0000 0110 1110 0110 0101 = f8006e65 OR6 + * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65 OR6_8M + * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65 OR6_64M */ +#define CONFIG_SYS_OR6_8M 0xff806e65 +#define CONFIG_SYS_OR6_64M 0xfc006e65 +#ifndef CONFIG_SYS_ALT_BOOT /* JP12 in default position */ #define CONFIG_SYS_BOOT_BLOCK 0xff800000 /* start of 8MB Flash */ -#define CONFIG_SYS_ALT_FLASH 0xfb800000 /* 64MB "user" flash */ -#define CONFIG_SYS_FLASH_BASE CONFIG_SYS_BOOT_BLOCK /* start of FLASH 16M */ +#define CONFIG_SYS_ALT_FLASH 0xec000000 /* 64MB "user" flash */ -#define CONFIG_SYS_BR0_PRELIM 0xff800801 -#define CONFIG_SYS_BR6_PRELIM 0xfb801801 +#define CONFIG_SYS_BR0_PRELIM CONFIG_SYS_BR0_8M +#define CONFIG_SYS_OR0_PRELIM CONFIG_SYS_OR0_8M -#define CONFIG_SYS_OR0_PRELIM 0xff806e65 -#define CONFIG_SYS_OR6_PRELIM 0xf8006e65 +#define CONFIG_SYS_BR6_PRELIM CONFIG_SYS_BR6_64M +#define CONFIG_SYS_OR6_PRELIM CONFIG_SYS_OR6_64M +#else /* JP12 in alternate position */ +#define CONFIG_SYS_BOOT_BLOCK 0xfc000000 /* start 64MB Flash */ +#define CONFIG_SYS_ALT_FLASH 0xef800000 /* 8MB soldered flash */ +#define CONFIG_SYS_BR0_PRELIM CONFIG_SYS_BR0_64M +#define CONFIG_SYS_OR0_PRELIM CONFIG_SYS_OR0_64M + +#define CONFIG_SYS_BR6_PRELIM CONFIG_SYS_BR6_8M +#define CONFIG_SYS_OR6_PRELIM CONFIG_SYS_OR6_8M +#endif + +#define CONFIG_SYS_FLASH_BASE CONFIG_SYS_BOOT_BLOCK #define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE, \ CONFIG_SYS_ALT_FLASH} #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* number of banks */ @@ -221,6 +297,10 @@ /* * SDRAM on the Local Bus (CS3 and CS4) + * Note that most boards have a hardware errata where both the + * LBC SDRAM and the DDR2 SDRAM decode at 0x51, making it impossible + * to use CONFIG_DDR_SPD unless you physically remove the LBC DIMM. + * A hardware workaround is also available, see README.sbc8548 file. */ #define CONFIG_SYS_LBC_SDRAM_BASE 0xf0000000 /* Localbus SDRAM */ #define CONFIG_SYS_LBC_SDRAM_SIZE 128 /* LBC SDRAM is 128MB */ @@ -300,19 +380,26 @@ /* * Common settings for all Local Bus SDRAM commands. - * At run time, either BSMA1516 (for CPU 1.1) - * or BSMA1617 (for CPU 1.0) (old) - * is OR'ed in too. */ #define CONFIG_SYS_LBC_LSDMR_COMMON ( LSDMR_RFCR16 \ - | LSDMR_PRETOACT7 \ - | LSDMR_ACTTORW7 \ + | LSDMR_BSMA1516 \ + | LSDMR_PRETOACT3 \ + | LSDMR_ACTTORW3 \ + | LSDMR_BUFCMD \ | LSDMR_BL8 \ - | LSDMR_WRC4 \ + | LSDMR_WRC2 \ | LSDMR_CL3 \ - | LSDMR_RFEN \ ) +#define CONFIG_SYS_LBC_LSDMR_PCHALL \ + (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_PCHALL) +#define CONFIG_SYS_LBC_LSDMR_ARFRSH \ + (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_ARFRSH) +#define CONFIG_SYS_LBC_LSDMR_MRW \ + (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_MRW) +#define CONFIG_SYS_LBC_LSDMR_RFEN \ + (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_RFEN) + #define CONFIG_SYS_INIT_RAM_LOCK 1 #define CONFIG_SYS_INIT_RAM_ADDR 0xe4010000 /* Initial RAM address */ #define CONFIG_SYS_INIT_RAM_SIZE 0x4000 /* Size of used area in RAM */ @@ -330,7 +417,7 @@ * thing for MONITOR_LEN in both cases. */ #define CONFIG_SYS_MONITOR_LEN (~CONFIG_SYS_TEXT_BASE + 1) -#define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserved for malloc */ +#define CONFIG_SYS_MALLOC_LEN (1024 * 1024) /* Reserved for malloc */ /* Serial Port */ #define CONFIG_CONS_INDEX 1 |