imx94_evk: Get ownership of XSPI control registers protected by GMID in SPL

To gain access to certain registers that are protected by GMID, the SPL
must release XSPI ownership to the current core.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>

diff --git a/board/nxp/imx94_evk/spl.c b/board/nxp/imx94_evk/spl.c
index cc5b7f9ef0f06f84b99a7ce550ddad7610c6bc9a..6eb0fff99f4690070d89fe25564746ed5579c320 100644 (file)
--- a/board/nxp/imx94_evk/spl.c
+++ b/board/nxp/imx94_evk/spl.c
@@ -46,6 +46,16 @@ void spl_board_init(void)
                printf("Fail to start RNG: %d\n", ret);
 }
 
+static void xspi_nor_reset(void)
+{
+       int ret;
+       u32 resp = 0;
+
+       ret = ele_set_gmid(&resp);
+       if (ret)
+               printf("Fail to set GMID: %d, resp 0x%x\n", ret, resp);
+}
+
 /* SCMI support by default */
 void board_init_f(ulong dummy)
 {
@@ -76,5 +86,7 @@ void board_init_f(ulong dummy)
 
        get_reset_reason(true, false);
 
+       xspi_nor_reset();
+
        board_init_r(NULL, 0);
 }