feat(imx8m): enable the coram_s tz by default on imx8mn/mp
Enable the OCRAM_S TZ for secure protection by default on
i.MX8MN/i.MX8MP. And lock the ocram secure access configure
on i.MX8MM/i.MX8MP.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: I2e24f4b823ee5f804415218d5c2e371f4e4c6fe1
diff --git a/plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c b/plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c
index c079982..167c4b6 100644
--- a/plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c
+++ b/plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c
@@ -113,6 +113,7 @@
u_register_t arg2, u_register_t arg3)
{
static console_t console;
+ unsigned int val;
unsigned int i;
/* Enable CSU NS access permission */
@@ -127,7 +128,9 @@
imx_csu_init(csu_cfg);
/* config the ocram memory range for secure access */
- mmio_write_32(IMX_IOMUX_GPR_BASE + 0x2c, 0xc1);
+ mmio_write_32(IMX_IOMUX_GPR_BASE + 0x2c, 0x4E1);
+ val = mmio_read_32(IMX_IOMUX_GPR_BASE + 0x2c);
+ mmio_write_32(IMX_IOMUX_GPR_BASE + 0x2c, val | 0x3DFF0000);
imx8m_caam_init();