diff options
| author | Jacky Bai <ping.bai@nxp.com> | 2020-01-14 17:46:23 +0800 |
|---|---|---|
| committer | Jacky Bai <ping.bai@nxp.com> | 2020-02-09 20:58:49 +0800 |
| commit | 55194d21a18003224451b75c73838ef3a410c7cb (patch) | |
| tree | d3666b2844c7f1f02f114a09b3666ba282b50f5a /plat/imx/imx8m/gpc_common.c | |
| parent | 563016d45a91a9f1501aa43b22e7db9705605346 (diff) | |
plat: imx8m: Add the src handler for m4/m7 core boot support
Add the SRC SiP handler for M4/M7 boot support on i.MX8M SoC.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Diffstat (limited to 'plat/imx/imx8m/gpc_common.c')
| -rw-r--r-- | plat/imx/imx8m/gpc_common.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/plat/imx/imx8m/gpc_common.c b/plat/imx/imx8m/gpc_common.c index adb43608..091cf451 100644 --- a/plat/imx/imx8m/gpc_common.c +++ b/plat/imx/imx8m/gpc_common.c @@ -15,6 +15,7 @@ #include <gpc.h> #include <imx8m_psci.h> +#include <imx_sip_svc.h> #include <plat_imx8.h> #define FSL_SIP_CONFIG_GPC_PM_DOMAIN 0x03 @@ -305,3 +306,25 @@ int imx_gpc_handler(uint32_t smc_fid, u_register_t x1, u_register_t x2, u_regist return 0; } + +#pragma weak imx_src_handler +/* imx8mq/imx8mm need to verrride below function */ +int imx_src_handler(uint32_t smc_fid, u_register_t x1, u_register_t x2, + u_register_t x3) +{ + uint32_t val; + + switch(x1) { + case IMX_SIP_SRC_M4_START: + mmio_clrbits_32(IMX_IOMUX_GPR_BASE + 0x58, 0x1); + break; + case IMX_SIP_SRC_M4_STARTED: + val = mmio_read_32(IMX_IOMUX_GPR_BASE + 0x58); + return !(val & 0x1); + default: + return SMC_UNK; + + }; + + return 0; +} |