From db5e349d3ddfc75953b2364e94b111ea1795f3c8 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 31 Aug 2023 08:59:05 +0200 Subject: dm: core: ofnode: Add ofnode_read_bootscript_address() ofnode_read_bootscript_address() reads bootscript address from /options/u-boot DT node. bootscr-address or bootscr-ram-offset properties are read and values are filled. bootscr-address has higher priority than bootscr-ram-offset and the only one should be described in DT. Also add test to cover this new function. Reviewed-by: Simon Glass Signed-off-by: Michal Simek Link: https://lore.kernel.org/r/23be3838502efef61803c90ef6e8b32bbd6ede41.1693465140.git.michal.simek@amd.com --- drivers/core/ofnode.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'drivers/core/ofnode.c') diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index 8311282abf..5076054acd 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -1593,6 +1593,31 @@ const char *ofnode_conf_read_str(const char *prop_name) return ofnode_read_string(node, prop_name); } +int ofnode_read_bootscript_address(u64 *bootscr_address, u64 *bootscr_offset) +{ + int ret; + ofnode uboot; + + *bootscr_address = 0; + *bootscr_offset = 0; + + uboot = ofnode_path("/options/u-boot"); + if (!ofnode_valid(uboot)) { + printf("%s: Missing /u-boot node\n", __func__); + return -EINVAL; + } + + ret = ofnode_read_u64(uboot, "bootscr-address", bootscr_address); + if (ret) { + ret = ofnode_read_u64(uboot, "bootscr-ram-offset", + bootscr_offset); + if (ret) + return -EINVAL; + } + + return 0; +} + ofnode ofnode_get_phy_node(ofnode node) { /* DT node properties that reference a PHY node */ -- cgit v1.2.3