[PATCH v1 3/4] imx94_evk: Get ownership of XSPI control registers protected by GMID in SPL

[alice.guo at oss.nxp.com]

From: Ye Li <ye.li at nxp.com>

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 at nxp.com>
Signed-off-by: Alice Guo <alice.guo at nxp.com>
Acked-by: Peng Fan <peng.fan at nxp.com>
Reviewed-by: Jacky Bai <ping.bai at nxp.com>
---
 board/freescale/imx94_evk/spl.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/board/freescale/imx94_evk/spl.c b/board/freescale/imx94_evk/spl.c
index 341b165b3c8..f4529fb5fb2 100644
--- a/board/freescale/imx94_evk/spl.c
+++ b/board/freescale/imx94_evk/spl.c
@@ -45,6 +45,16 @@ 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)
 {
@@ -77,5 +87,7 @@ void board_init_f(ulong dummy)
 
 	get_reset_reason(true, false);
 
+	xspi_nor_reset();
+
 	board_init_r(NULL, 0);
 }
-- 
2.43.0