From: Michal Simek Date: Mon, 24 Feb 2014 10:16:32 +0000 (+0100) Subject: zynq: Add OF ram initialization support X-Git-Tag: v2014.04-rc2~67 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=9e0e37ac;p=u-boot zynq: Add OF ram initialization support Read ram size directly from DTB. Signed-off-by: Michal Simek --- diff --git a/board/xilinx/zynq/board.c b/board/xilinx/zynq/board.c index 82f2345c95..485a5e4a24 100644 --- a/board/xilinx/zynq/board.c +++ b/board/xilinx/zynq/board.c @@ -5,6 +5,7 @@ */ #include +#include #include #include #include @@ -134,8 +135,27 @@ 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;