From 9df731a176aab8e03b984b681b1bea01ccff6644 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 07:23:06 +0000
Subject: [PATCH] rk3568 rt uboot init
---
u-boot/drivers/core/read.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/u-boot/drivers/core/read.c b/u-boot/drivers/core/read.c
index a7f77e9..a7ce6a4 100644
--- a/u-boot/drivers/core/read.c
+++ b/u-boot/drivers/core/read.c
@@ -8,6 +8,7 @@
#include <common.h>
#include <dm.h>
#include <mapmem.h>
+#include <asm/io.h>
#include <dm/of_access.h>
int dev_read_u32_default(struct udevice *dev, const char *propname, int def)
@@ -63,6 +64,16 @@
return dev_read_addr_index(dev, 0);
}
+void *dev_remap_addr_index(struct udevice *dev, int index)
+{
+ fdt_addr_t addr = dev_read_addr_index(dev, index);
+
+ if (addr == FDT_ADDR_T_NONE)
+ return NULL;
+
+ return map_physmem(addr, 0, MAP_NOCACHE);
+}
+
void *dev_read_addr_ptr(struct udevice *dev)
{
fdt_addr_t addr = dev_read_addr(dev);
--
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