Add support for Adder boards with 16MB SDRAM;
add support for second FEC on Adder87x board.
Patch by Yuli Barcohen, 05 Jun 2005
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..aa781584 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 <yuli@arabellasw.com>
*
* Support for Analogue&Micro Adder boards family.
@@ -28,7 +28,8 @@
#include <mpc8xx.h>
/*
- * 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 @@
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 @@
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 @@
/* 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 @@
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 <yuli@arabellasw.com>
*
* 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_SDRAM_MAX_SIZE 0x01000000 /* Up to 16 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_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)