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am33xx: Provide a function to set up the debug UART

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Since commit 0dba45864b2a ("arm: Init the debug UART") the debug UART is
set up in _main() before early_system_init() is called.

Add a suitable board_debug_uart_init() function to set up the UART in
SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2024-06-23 14:30:23 -06:00 committed by Tom Rini
parent 57c4cd17e6
commit 0fd4120fb5
1 changed files with 15 additions and 3 deletions
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18
arch/arm/mach-omap2/am33xx/board.c
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@ -490,9 +490,6 @@ void early_system_init(void)
*/ */
save_omap_boot_params(); save_omap_boot_params();
#endif #endif
#ifdef CONFIG_DEBUG_UART_OMAP
debug_uart_init();
#endif
#ifdef CONFIG_SPL_BUILD #ifdef CONFIG_SPL_BUILD
spl_early_init(); spl_early_init();
@ -533,3 +530,18 @@ static int am33xx_dm_post_init(void)
return 0; return 0;
} }
EVENT_SPY_SIMPLE(EVT_DM_POST_INIT_F, am33xx_dm_post_init); EVENT_SPY_SIMPLE(EVT_DM_POST_INIT_F, am33xx_dm_post_init);
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
void board_debug_uart_init(void)
{
if (u_boot_first_phase()) {
hw_data_init();
set_uart_mux_conf();
setup_early_clocks();
uart_soft_reset();
/* avoid uart gibberish by allowing the clocks to settle */
mdelay(50);
}
}
#endif