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spl: ti: Avoid serial calls when serial support is disabled

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If CONFIG_SPL_SERIAL_SUPPORT is not set, then the build will fail:

board/ti/am335x/built-in.o: In function `spl_start_uboot':
board/ti/am335x/board.c:247: undefined reference to `serial_tstc'
board/ti/am335x/board.c:247: undefined reference to `serial_getc'

Avoid the calls to the serial functions in that case.

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
This commit is contained in:
Alex Kiernan 2018-04-19 04:32:53 +00:00 committed by Tom Rini
parent 3bac19ce23
commit d4bb3b3762
1 changed files with 2 additions and 0 deletions
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board/ti/am335x/board.c
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@ -243,9 +243,11 @@ static struct emif_regs ddr3_icev2_emif_reg_data = {
#ifdef CONFIG_SPL_OS_BOOT #ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void) int spl_start_uboot(void)
{ {
#ifdef CONFIG_SPL_SERIAL_SUPPORT
/* break into full u-boot on 'c' */ /* break into full u-boot on 'c' */
if (serial_tstc() && serial_getc() == 'c') if (serial_tstc() && serial_getc() == 'c')
return 1; return 1;
#endif
#ifdef CONFIG_SPL_ENV_SUPPORT #ifdef CONFIG_SPL_ENV_SUPPORT
env_init(); env_init();