[U-Boot] [PATCH 4/4] armv7R: K3: j721e: Add support for triggering ddr init from SPL
Lokesh Vutla
lokeshvutla at ti.com
Mon Oct 7 13:56:38 UTC 2019
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().
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
arch/arm/mach-k3/j721e_init.c | 8 +++++++-
board/ti/j721e/Kconfig | 1 +
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-k3/j721e_init.c b/arch/arm/mach-k3/j721e_init.c
index 733e414654..5e3813252b 100644
--- a/arch/arm/mach-k3/j721e_init.c
+++ b/arch/arm/mach-k3/j721e_init.c
@@ -73,7 +73,7 @@ static void store_boot_index_from_rom(void)
void board_init_f(ulong dummy)
{
-#if defined(CONFIG_K3_LOAD_SYSFW)
+#if defined(CONFIG_K3_J721E_DDRSS) || defined(CONFIG_K3_LOAD_SYSFW)
struct udevice *dev;
int ret;
#endif
@@ -117,6 +117,12 @@ void board_init_f(ulong dummy)
/* Prepare console output */
preloader_console_init();
#endif
+
+#if defined(CONFIG_K3_J721E_DDRSS)
+ ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (ret)
+ panic("DRAM init failed: %d\n", ret);
+#endif
}
u32 spl_boot_mode(const u32 boot_device)
diff --git a/board/ti/j721e/Kconfig b/board/ti/j721e/Kconfig
index c2deb6916a..88097df653 100644
--- a/board/ti/j721e/Kconfig
+++ b/board/ti/j721e/Kconfig
@@ -21,6 +21,7 @@ config TARGET_J721E_R5_EVM
select K3_LOAD_SYSFW
select RAM
select SPL_RAM
+ select K3_J721E_DDRSS
imply SYS_K3_SPL_ATF
endchoice
--
2.23.0
More information about the U-Boot
mailing list