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 --- Changes from V1: -Address review comments from Simon, Add comment about chimp failure.

board/broadcom/bcmns3/ns3.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)

diff --git a/board/broadcom/bcmns3/ns3.c b/board/broadcom/bcmns3/ns3.c index 0357cd0e32..10ae344a06 100644 --- a/board/broadcom/bcmns3/ns3.c +++ b/board/broadcom/bcmns3/ns3.c @@ -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 */