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-rw-r--r--board/xilinx/microblaze-generic/microblaze-generic.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/board/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c
index 42a8d0c..3110405 100644
--- a/board/xilinx/microblaze-generic/microblaze-generic.c
+++ b/board/xilinx/microblaze-generic/microblaze-generic.c
@@ -11,16 +11,62 @@
#include <common.h>
#include <config.h>
+#include <fdtdec.h>
#include <netdev.h>
#include <asm/processor.h>
#include <asm/microblaze_intc.h>
#include <asm/asm.h>
#include <asm/gpio.h>
+DECLARE_GLOBAL_DATA_PTR;
+
#ifdef CONFIG_XILINX_GPIO
static int reset_pin = -1;
#endif
+#ifdef CONFIG_OF_CONTROL
+ulong ram_base;
+
+void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = ram_base;
+ gd->bd->bi_dram[0].size = get_effective_memsize();
+}
+
+int dram_init(void)
+{
+ int node;
+ fdt_addr_t addr;
+ fdt_size_t size;
+ const void *blob = gd->fdt_blob;
+
+ node = fdt_node_offset_by_prop_value(blob, -1, "device_type",
+ "memory", 7);
+ if (node == -FDT_ERR_NOTFOUND) {
+ debug("DRAM: Can't get memory node\n");
+ return 1;
+ }
+ addr = fdtdec_get_addr_size(blob, node, "reg", &size);
+ if (addr == FDT_ADDR_T_NONE || size == 0) {
+ debug("DRAM: Can't get base address or size\n");
+ return 1;
+ }
+ ram_base = addr;
+
+ gd->ram_top = addr; /* In setup_dest_addr() is done +ram_size */
+ gd->ram_size = size;
+
+ return 0;
+};
+#else
+int dram_init(void)
+{
+ gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+
+ return 0;
+}
+#endif
+
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
#ifdef CONFIG_XILINX_GPIO