arm: mach-k3: am642: Add support for triggering ddr init from SPL

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: Dave Gerlach <d-gerlach@ti.com>

diff --git a/arch/arm/mach-k3/am642_init.c b/arch/arm/mach-k3/am642_init.c
index 2b58a9f..2a38b84 100644 (file)
--- a/arch/arm/mach-k3/am642_init.c
+++ b/arch/arm/mach-k3/am642_init.c
@@ -131,6 +131,12 @@ void board_init_f(ulong dummy)
 
        /* Output System Firmware version info */
        k3_sysfw_print_ver();
+
+#if defined(CONFIG_K3_AM64_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/am64x/Kconfig b/board/ti/am64x/Kconfig
index 57527be..3dd5b54 100644 (file)
--- a/board/ti/am64x/Kconfig
+++ b/board/ti/am64x/Kconfig
@@ -19,6 +19,9 @@ config TARGET_AM642_R5_EVM
        select SYS_THUMB_BUILD
        select K3_LOAD_SYSFW
        select SOC_K3_AM642
+       select RAM
+       select SPL_RAM
+       select K3_DDRSS
        imply SYS_K3_SPL_ATF
 
 endchoice