avr32: convert to dram_init()
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/avr32/include/asm/u-boot.h b/arch/avr32/include/asm/u-boot.h
index 2387f8a..232350e 100644
--- a/arch/avr32/include/asm/u-boot.h
+++ b/arch/avr32/include/asm/u-boot.h
@@ -26,5 +26,6 @@
#define IH_ARCH_DEFAULT IH_ARCH_AVR32
int arch_cpu_init(void);
+int dram_init(void);
#endif /* __ASM_U_BOOT_H__ */
diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile
index bb45cbe..5f2d97b 100644
--- a/arch/avr32/lib/Makefile
+++ b/arch/avr32/lib/Makefile
@@ -11,3 +11,4 @@
obj-y += board.o
obj-$(CONFIG_CMD_BOOTM) += bootm.o
obj-y += interrupts.o
+obj-y += dram_init.o
diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c
index e86530f..13b7fed 100644
--- a/arch/avr32/lib/board.c
+++ b/arch/avr32/lib/board.c
@@ -29,6 +29,12 @@
unsigned long monitor_flash_len;
+__weak void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = gd->ram_size;
+}
+
/* Weak aliases for optional board functions */
static int __do_nothing(void)
{
@@ -82,7 +88,6 @@
unsigned long monitor_len;
unsigned long monitor_addr;
unsigned long addr;
- long sdram_size;
/* Initialize the global data pointer */
memset(&gd_data, 0, sizeof(gd_data));
@@ -97,10 +102,10 @@
serial_init();
console_init_f();
display_banner();
- sdram_size = initdram(board_type);
+ dram_init();
/* If we have no SDRAM, we can't go on */
- if (sdram_size <= 0)
+ if (gd->ram_size <= 0)
panic("No working SDRAM available\n");
/*
@@ -114,7 +119,7 @@
* - global data struct
* - stack
*/
- addr = CONFIG_SYS_SDRAM_BASE + sdram_size;
+ addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
monitor_len = (char *)(&__bss_end) - _text;
/*
@@ -156,12 +161,7 @@
*(--new_sp) = 0;
*(--new_sp) = 0;
- /*
- * Initialize the board information struct with the
- * information we have.
- */
- bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
- bd->bi_dram[0].size = sdram_size;
+ dram_init_banksize();
memcpy(new_gd, gd, sizeof(gd_t));
diff --git a/arch/avr32/lib/dram_init.c b/arch/avr32/lib/dram_init.c
new file mode 100644
index 0000000..5078e77
--- /dev/null
+++ b/arch/avr32/lib/dram_init.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2015 Andreas Bießmann <andreas.devel@googlemail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+ /* check for the maximum amount of memory possible on AP7000 devices */
+ gd->ram_size = get_ram_size(
+ (void *)CONFIG_SYS_SDRAM_BASE,
+ (256<<20));
+ return 0;
+}