3 files changed, 53 insertions, 18 deletions

diff --git a/board/atmel/atstk1000/atstk1000.c b/board/atmel/atstk1000/atstk1000.c
index 28f64c4..6371e2d 100644
--- a/board/atmel/atstk1000/atstk1000.c
+++ b/board/atmel/atstk1000/atstk1000.c
@@ -25,13 +25,39 @@
 #include <asm/sdram.h>
 #include <asm/arch/clk.h>
 #include <asm/arch/gpio.h>
-#include <asm/arch/hmatrix2.h>
+#include <asm/arch/hmatrix.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-static const struct sdram_info sdram = {
-	.phys_addr	= CFG_SDRAM_BASE,
+static const struct sdram_config sdram_config = {
+#if defined(CONFIG_ATSTK1006)
+	/* Dual MT48LC16M16A2-7E (64 MB) on daughterboard */
+	.data_bits	= SDRAM_DATA_32BIT,
+	.row_bits	= 13,
+	.col_bits	= 9,
+	.bank_bits	= 2,
+	.cas		= 2,
+	.twr		= 2,
+	.trc		= 7,
+	.trp		= 2,
+	.trcd		= 2,
+	.tras		= 4,
+	.txsr		= 7,
+	/* 7.81 us */
+	.refresh_period	= (781 * (SDRAMC_BUS_HZ / 1000)) / 100000,
+#else
+	/* MT48LC2M32B2P-5 (8 MB) on motherboard */
+#ifdef CONFIG_ATSTK1004
+	.data_bits	= SDRAM_DATA_16BIT,
+#else
+	.data_bits	= SDRAM_DATA_32BIT,
+#endif
+#ifdef CONFIG_ATSTK1000_16MB_SDRAM
+	/* MT48LC4M32B2P-6 (16 MB) on mod'ed motherboard */
+	.row_bits	= 12,
+#else
 	.row_bits	= 11,
+#endif
 	.col_bits	= 8,
 	.bank_bits	= 2,
 	.cas		= 3,
@@ -43,12 +69,13 @@ static const struct sdram_info sdram = {
 	.txsr		= 5,
 	/* 15.6 us */
 	.refresh_period	= (156 * (SDRAMC_BUS_HZ / 1000)) / 10000,
+#endif
 };
 
 int board_early_init_f(void)
 {
-	/* Set the SDRAM_ENABLE bit in the HEBI SFR */
-	hmatrix2_writel(SFR4, 1 << 1);
+	/* Enable SDRAM in the EBI mux */
+	hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
 
 	gpio_enable_ebi();
 	gpio_enable_usart1();
@@ -63,9 +90,24 @@ int board_early_init_f(void)
 	return 0;
 }
 
-long int initdram(int board_type)
+phys_size_t initdram(int board_type)
 {
-	return sdram_init(&sdram);
+	unsigned long expected_size;
+	unsigned long actual_size;
+	void *sdram_base;
+
+	sdram_base = map_physmem(EBI_SDRAM_BASE, EBI_SDRAM_SIZE, MAP_NOCACHE);
+
+	expected_size = sdram_init(sdram_base, &sdram_config);
+	actual_size = get_ram_size(sdram_base, expected_size);
+
+	unmap_physmem(sdram_base, EBI_SDRAM_SIZE);
+
+	if (expected_size != actual_size)
+		printf("Warning: Only %u of %u MiB SDRAM is working\n",
+				actual_size >> 20, expected_size >> 20);
+
+	return actual_size;
 }
 
 void board_init_info(void)
diff --git a/board/atmel/atstk1000/flash.c b/board/atmel/atstk1000/flash.c
index 4047825..12537f3 100644
--- a/board/atmel/atstk1000/flash.c
+++ b/board/atmel/atstk1000/flash.c
@@ -30,7 +30,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 flash_info_t flash_info[1];
 
-static void __flashprog flash_identify(uint16_t *flash, flash_info_t *info)
+static void flash_identify(uint16_t *flash, flash_info_t *info)
 {
 	unsigned long flags;
 
@@ -76,7 +76,7 @@ void flash_print_info(flash_info_t *info)
 	       info->size >> 10, info->sector_count);
 }
 
-int __flashprog flash_erase(flash_info_t *info, int s_first, int s_last)
+int flash_erase(flash_info_t *info, int s_first, int s_last)
 {
 	unsigned long flags;
 	unsigned long start_time;
@@ -154,7 +154,7 @@ int __flashprog flash_erase(flash_info_t *info, int s_first, int s_last)
 	return ERR_OK;
 }
 
-int __flashprog write_buff(flash_info_t *info, uchar *src,
+int write_buff(flash_info_t *info, uchar *src,
 			   ulong addr, ulong count)
 {
 	unsigned long flags;
diff --git a/board/atmel/atstk1000/u-boot.lds b/board/atmel/atstk1000/u-boot.lds
index 247812e..0d3b19c 100644
--- a/board/atmel/atstk1000/u-boot.lds
+++ b/board/atmel/atstk1000/u-boot.lds
@@ -29,17 +29,10 @@ SECTIONS
 	. = 0;
 	_text = .;
 	.text : {
+		*(.exception.text)
 		*(.text)
 		*(.text.*)
 	}
-
-	. = ALIGN(32);
-	__flashprog_start = .;
-	.flashprog : {
-		*(.flashprog)
-	}
-	. = ALIGN(32);
-	__flashprog_end = .;
 	_etext = .;
 
 	.rodata : {