From b5425a96764e423c99dcd50e4f28a1834a5d4803 Mon Sep 17 00:00:00 2001 From: Lokesh Vutla Date: Thu, 6 May 2021 16:44:52 +0530 Subject: [PATCH] arm: am64x: Add support for selecting DT based on EEPROM 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 --- arch/arm/mach-k3/am642_init.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm/mach-k3/am642_init.c b/arch/arm/mach-k3/am642_init.c index 2a38b84..885f181 100644 --- a/arch/arm/mach-k3/am642_init.c +++ b/arch/arm/mach-k3/am642_init.c @@ -20,6 +20,7 @@ #include #include #include +#include #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 -- 2.7.4