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authorMichal Simek <michal.simek@xilinx.com>2021-07-27 16:17:31 +0200
committerMichal Simek <michal.simek@xilinx.com>2021-08-06 09:32:02 +0200
commit3d238435b216976d8a7dacd2cfddf3ba4c0d2f74 (patch)
tree674760929624db87a5971a4b42cac076f8c30bf8
parente49f2a7f855f84a9b4c3bc0bae9615983bd42715 (diff)
xilinx: zynqmp: use zynqmp_mmio_read() in multi_boot()
When U-Boot runs in EL2 there is no access to csu_base registers that's why this has to be done via firmware interface to find out multi boot register value. Till now this function is called only from SPL in EL3. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
-rw-r--r--board/xilinx/zynqmp/zynqmp.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
index eb67116d5b4..1b0356c84c5 100644
--- a/board/xilinx/zynqmp/zynqmp.c
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -346,9 +346,12 @@ int board_early_init_f(void)
static int multi_boot(void)
{
- u32 multiboot;
+ u32 multiboot = 0;
+ int ret;
- multiboot = readl(&csu_base->multi_boot);
+ ret = zynqmp_mmio_read((ulong)&csu_base->multi_boot, &multiboot);
+ if (ret)
+ return -EINVAL;
return multiboot;
}