From 5797b821dcd245af36f9d44eb05b256f1e1ccfc3 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Sun, 12 Mar 2006 01:43:03 +0100 Subject: [PATCH] Add support for Adder boards with 16MB SDRAM; add support for second FEC on Adder87x board. Patch by Yuli Barcohen, 05 Jun 2005 --- CHANGELOG | 4 ++++ board/adder/adder.c | 24 +++++++++++++++--------- include/configs/Adder.h | 33 +++++++++++++++++---------------- 3 files changed, 36 insertions(+), 25 deletions(-) diff --git a/CHANGELOG b/CHANGELOG index 8999b15..41b266f 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,10 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Add support for Adder boards with 16MB SDRAM; + add support for second FEC on Adder87x board. + Patch by Yuli Barcohen, 05 Jun 2005 + * Fix conditional for including ks8695eth driver Patch by Greg Ungerer, 04 Jun 2005 diff --git a/board/adder/adder.c b/board/adder/adder.c index cab6e2f..aa78158 100644 --- a/board/adder/adder.c +++ b/board/adder/adder.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004 Arabella Software Ltd. + * Copyright (C) 2004-2005 Arabella Software Ltd. * Yuli Barcohen * * Support for Analogue&Micro Adder boards family. @@ -28,7 +28,8 @@ #include /* - * SDRAM is single Samsung K4S643232F-T70 chip. + * SDRAM is single Samsung K4S643232F-T70 chip (8MB) + * or single Micron MT48LC4M32B2TG-7 chip (16MB). * Minimal CPU frequency is 40MHz. */ static uint sdram_table[] = { @@ -53,7 +54,7 @@ static uint sdram_table[] = { 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, /* Refresh (offset 0x30 in UPM RAM) */ - 0x1ff5fca4, 0xfffffc04, 0xfffffc04, 0xfffffc04, + 0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc84, 0xfffffc07, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, @@ -63,7 +64,7 @@ static uint sdram_table[] = { long int initdram (int board_type) { - long int msize = CFG_SDRAM_SIZE; + long int msize; volatile immap_t *immap = (volatile immap_t *)CFG_IMMR; volatile memctl8xx_t *memctl = &immap->im_memctl; @@ -72,11 +73,11 @@ long int initdram (int board_type) /* Configure SDRAM refresh */ memctl->memc_mptpr = MPTPR_PTP_DIV32; /* BRGCLK/32 */ - memctl->memc_mamr = (94 << 24) | CFG_MAMR; - memctl->memc_mar = 0x0; + memctl->memc_mamr = (94 << 24) | CFG_MAMR; /* No refresh */ udelay(200); /* Run precharge from location 0x15 */ + memctl->memc_mar = 0x0; memctl->memc_mcr = 0x80002115; udelay(200); @@ -84,13 +85,18 @@ long int initdram (int board_type) memctl->memc_mcr = 0x80002830; udelay(200); - memctl->memc_mar = 0x88; - udelay(200); - /* Run MRS pattern from location 0x16 */ + memctl->memc_mar = 0x88; memctl->memc_mcr = 0x80002116; udelay(200); + memctl->memc_mamr |= MAMR_PTAE; /* Enable refresh */ + memctl->memc_or1 = ~(CFG_SDRAM_MAX_SIZE - 1) | OR_CSNT_SAM; + memctl->memc_br1 = CFG_SDRAM_BASE | BR_PS_32 | BR_MS_UPMA | BR_V; + + msize = get_ram_size(CFG_SDRAM_BASE, CFG_SDRAM_MAX_SIZE); + memctl->memc_or1 |= ~(msize - 1); + return msize; } diff --git a/include/configs/Adder.h b/include/configs/Adder.h index f807546..0e6b50f 100644 --- a/include/configs/Adder.h +++ b/include/configs/Adder.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004 Arabella Software Ltd. + * Copyright (C) 2004-2005 Arabella Software Ltd. * Yuli Barcohen * * Support for Analogue&Micro Adder boards family. @@ -35,11 +35,13 @@ #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #define CONFIG_BAUDRATE 38400 -#define CONFIG_FEC_ENET /* Ethernet is on FEC */ -#ifdef CONFIG_FEC_ENET +#define CONFIG_ETHER_ON_FEC1 +#define CONFIG_ETHER_ON_FEC2 + +#if defined(CONFIG_ETHER_ON_FEC1) || defined(CONFIG_ETHER_ON_FEC2) #define CFG_DISCOVER_PHY #define FEC_ENET -#endif /* CONFIG_FEC_ENET */ +#endif /* CONFIG_ETHER_ON_FEC || CONFIG_ETHER_ON_FEC2 */ #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */ #define CONFIG_8xx_CPUCLK_DEFAULT 50000000 @@ -47,7 +49,7 @@ #ifdef CONFIG_MPC852T #define CFG_8xx_CPUCLK_MAX 50000000 #else -#define CFG_8xx_CPUCLK_MAX 120000000 +#define CFG_8xx_CPUCLK_MAX 133000000 #endif /* CONFIG_MPC852T */ #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ @@ -62,7 +64,7 @@ #define CONFIG_BOOTDELAY 5 /* Autoboot after 5 seconds */ #define CONFIG_BOOTCOMMAND "bootm fe040000" /* Autoboot command */ -#define CONFIG_BOOTARGS "root=/dev/mtdblock2 rw" +#define CONFIG_BOOTARGS "root=/dev/mtdblock1 rw mtdparts=1M(ROM)ro,-(root)" #define CONFIG_BZIP2 /* Include support for bzip2 compressed images */ #undef CONFIG_WATCHDOG /* Disable platform specific watchdog */ @@ -79,7 +81,7 @@ #define CFG_MAXARGS 16 /* Max number of command args */ #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ -#define CFG_LOAD_ADDR 0x100000 /* Default load address */ +#define CFG_LOAD_ADDR 0x400000 /* Default load address */ #define CFG_HZ 1000 /* Decrementer freq: 1 ms ticks */ @@ -89,24 +91,21 @@ * RAM configuration (note that CFG_SDRAM_BASE must be zero) */ #define CFG_SDRAM_BASE 0x00000000 -#define CFG_SDRAM_SIZE 0x00800000 /* 8 Mbyte */ - -#define CFG_OR1_PRELIM (0xFF800000 | OR_CSNT_SAM | OR_ACS_DIV2) -#define CFG_BR1_PRELIM (CFG_SDRAM_BASE | BR_PS_32 | BR_MS_UPMA | BR_V) +#define CFG_SDRAM_MAX_SIZE 0x01000000 /* Up to 16 Mbyte */ -#define CFG_MAMR 0x00802114 +#define CFG_MAMR 0x00002114 /* - * 2048 SDRAM rows + * 4096 Up to 4096 SDRAM rows * 1000 factor s -> ms - * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration + * 32 PTP (pre-divider from MPTPR) * 4 Number of refresh cycles per period * 64 Refresh cycle in ms per number of rows */ -#define CFG_PTA_PER_CLK ((2048 * 64 * 1000) / (4 * 64)) +#define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64)) #define CFG_MEMTEST_START 0x00100000 /* memtest works on */ -#define CFG_MEMTEST_END 0x00700000 /* 1 ... 7 MB in SDRAM */ +#define CFG_MEMTEST_END 0x00500000 /* 1 ... 5 MB in SDRAM */ #define CFG_RESET_ADDRESS 0x09900000 @@ -139,6 +138,8 @@ #define CFG_ENV_SECT_SIZE 0x10000 /* We use one complete sector */ #define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN) +#define CONFIG_ENV_OVERWRITE + #define CFG_OR0_PRELIM 0xFF000774 #define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_PS_16 | BR_MS_GPCM | BR_V) -- 2.7.4