[U-Boot] [PATCH v2 05/10] armv7R: K3: am654: Add support for triggering ddr init from SPL
Lokesh Vutla
lokeshvutla at ti.com
Tue Oct 23 12:31:54 UTC 2018
In SPL, DDR should be made available by the end of board_init_f()
so that apis in board_init_r() can use ddr. Adding support
for triggering DDR initialization from board_init_f().
Reviewed-by: Tom Rini <trini at konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
arch/arm/mach-k3/am6_init.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/mach-k3/am6_init.c b/arch/arm/mach-k3/am6_init.c
index fef0107505..e2fe00c422 100644
--- a/arch/arm/mach-k3/am6_init.c
+++ b/arch/arm/mach-k3/am6_init.c
@@ -11,6 +11,7 @@
#include <spl.h>
#include <asm/arch/hardware.h>
#include "common.h"
+#include <dm.h>
#ifdef CONFIG_SPL_BUILD
static void mmr_unlock(u32 base, u32 partition)
@@ -57,6 +58,10 @@ static void store_boot_index_from_rom(void)
void board_init_f(ulong dummy)
{
+#if defined(CONFIG_K3_AM654_DDRSS)
+ struct udevice *dev;
+ int ret;
+#endif
/*
* Cannot delay this further as there is a chance that
* K3_BOOT_PARAM_TABLE_INDEX can be over written by SPL MALLOC section.
@@ -75,6 +80,14 @@ void board_init_f(ulong dummy)
/* Prepare console output */
preloader_console_init();
+
+#ifdef CONFIG_K3_AM654_DDRSS
+ ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (ret) {
+ printf("DRAM init failed: %d\n", ret);
+ return;
+ }
+#endif
}
u32 spl_boot_mode(const u32 boot_device)
--
2.19.1
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