diff options
Diffstat (limited to 'plat/imx/imx8m/imx8mm/gpc.c')
-rw-r--r-- | plat/imx/imx8m/imx8mm/gpc.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/plat/imx/imx8m/imx8mm/gpc.c b/plat/imx/imx8m/imx8mm/gpc.c index 3051ce3a..a1bbe35b 100644 --- a/plat/imx/imx8m/imx8mm/gpc.c +++ b/plat/imx/imx8m/imx8mm/gpc.c @@ -394,3 +394,26 @@ void imx_gpc_init(void) mmio_clrbits_32(IMX_SRC_BASE + SRC_OTG1PHY_SCR, 0x1); mmio_clrbits_32(IMX_SRC_BASE + SRC_OTG2PHY_SCR, 0x1); } + +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: + val = mmio_read_32(IMX_SRC_BASE + SRC_M4RCR); + val &= ~SRC_SCR_M4C_NON_SCLR_RST_MASK; + val |= SRC_SCR_M4_ENABLE_MASK; + mmio_write_32(IMX_SRC_BASE + SRC_M4RCR, val); + break; + case IMX_SIP_SRC_M4_STARTED: + val = mmio_read_32(IMX_SRC_BASE + SRC_M4RCR); + return !(val & SRC_SCR_M4C_NON_SCLR_RST_MASK); + default: + return SMC_UNK; + + }; + + return 0; +} |