From af071935d2c354f2250542f35e3178dd2660bfe1 Mon Sep 17 00:00:00 2001 From: Rayagonda Kokatanur Date: Tue, 25 Aug 2020 23:16:37 +0530 Subject: [PATCH] board: ns3: check bnxt chimp handshake status Chimp is a core in Broadcom netxtream controller (bnxt). Add support to check bnxt's chimp component status. Signed-off-by: Rayagonda Kokatanur Reviewed-by: Simon Glass --- 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 #include #include +#include /* 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 */ -- 2.39.5