Read ram size directly from DTB.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
Changes in v1: None
board/xilinx/zynq/board.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/board/xilinx/zynq/board.c b/board/xilinx/zynq/board.c index 5119c09..6b691f3 100644 --- a/board/xilinx/zynq/board.c +++ b/board/xilinx/zynq/board.c @@ -5,6 +5,7 @@ */
#include <common.h> +#include <fdtdec.h> #include <netdev.h> #include <zynqpl.h> #include <asm/arch/hardware.h> @@ -115,8 +116,27 @@ int board_mmc_init(bd_t *bd)
int dram_init(void) { +#ifdef CONFIG_OF_CONTROL + 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("ZYNQ 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("ZYNQ DRAM: Can't get base address or size\n"); + return -1; + } + gd->ram_size = size; +#else gd->ram_size = CONFIG_SYS_SDRAM_SIZE; - +#endif zynq_ddrc_init();
return 0; -- 1.8.2.3