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arm: am64x: Add support for selecting DT based on EEPROM

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Enable support for selecting DTB within SPL based on EEPROM.
This will help to use single defconfig for both EVM and SK

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Lokesh Vutla 2021-05-06 16:44:52 +05:30
parent 63d825e9fc
commit b5425a9676
1 changed files with 26 additions and 0 deletions
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26
arch/arm/mach-k3/am642_init.c
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@ -20,6 +20,7 @@
#include <dm/uclass-internal.h>
#include <dm/pinctrl.h>
#include <mmc.h>
#include <dm/root.h>
#if defined(CONFIG_SPL_BUILD)
@ -82,6 +83,29 @@ void k3_mmc_stop_clock(void) {}
void k3_mmc_restart_clock(void) {}
#endif
#ifdef CONFIG_SPL_OF_LIST
void do_dt_magic(void)
{
int ret, rescan;
if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT))
do_board_detect();
/*
* Board detection has been done.
* Let us see if another dtb wouldn't be a better match
* for our board
*/
if (IS_ENABLED(CONFIG_CPU_V7R)) {
ret = fdtdec_resetup(&rescan);
if (!ret && rescan) {
dm_uninit();
dm_init_and_scan(true);
}
}
}
#endif
void board_init_f(ulong dummy)
{
#if defined(CONFIG_K3_LOAD_SYSFW)
@ -106,6 +130,8 @@ void board_init_f(ulong dummy)
preloader_console_init();
do_dt_magic();
#if defined(CONFIG_K3_LOAD_SYSFW)
/*
* Process pinctrl for serial3 a.k.a. MAIN UART1 module and continue