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board: ns3: check bnxt chimp handshake status

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Chimp is a core in Broadcom netxtream controller (bnxt).
Add support to check bnxt's chimp component status.

Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Rayagonda Kokatanur 2020-08-25 23:16:37 +05:30 committed by Tom Rini
parent 975d2a6980
commit af071935d2
1 changed files with 17 additions and 0 deletions
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17
board/broadcom/bcmns3/ns3.c
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@ -12,6 +12,7 @@
#include <asm/armv8/mmu.h>
#include <asm/arch-bcmns3/bl33_info.h>
#include <dt-bindings/memory/bcm-ns3-mc.h>
#include <broadcom/chimp.h>
/* Default reset-level = 3 and strap-val = 0 */
#define L3_RESET 30
@ -210,8 +211,24 @@ void reset_cpu(ulong level)
#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *fdt, struct bd_info *bd)
{
u32 chimp_hs = CHIMP_HANDSHAKE_WAIT_TIMEOUT;
gic_lpi_tables_init();
/*
* Check for chimp handshake status.
* Zero timeout value will actually fall to default timeout.
*
* System boot is independent of chimp handshake.
* chimp handshake failure is not a catastrophic error.
* Hence continue booting if chimp handshake fails.
*/
chimp_handshake_status_optee(0, &chimp_hs);
if (chimp_hs == CHIMP_HANDSHAKE_SUCCESS)
printf("ChiMP handshake successful\n");
else
printf("ERROR: ChiMP handshake status 0x%x\n", chimp_hs);
return mem_info_parse_fixup(fdt);
}
#endif /* CONFIG_OF_BOARD_SETUP */