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armv7R: K3: am654: Add support for triggering ddr init from SPL

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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@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Lokesh Vutla 2018-11-02 19:51:06 +05:30 • committed by Tom Rini
parent a3501a4a44
commit 59ebf4afa6
1 changed files with 13 additions and 0 deletions
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13
arch/arm/mach-k3/am6_init.c
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@ -11,6 +11,7 @@
#include <spl.h> #include <spl.h>
#include <asm/arch/hardware.h> #include <asm/arch/hardware.h>
#include "common.h" #include "common.h"
#include <dm.h>
#ifdef CONFIG_SPL_BUILD #ifdef CONFIG_SPL_BUILD
static void mmr_unlock(u32 base, u32 partition) 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) 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 * Cannot delay this further as there is a chance that
* K3_BOOT_PARAM_TABLE_INDEX can be over written by SPL MALLOC section. * 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 */ /* Prepare console output */
preloader_console_init(); 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) u32 spl_boot_mode(const u32 boot_device)