@@ -11,6 +11,7 @@
#include <asm/io.h>
#include <asm/global_data.h>
#include <asm/arch-fsl-layerscape/config.h>
+#include <asm/arch-fsl-layerscape/ns_access.h>
#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
#include <fsl_csu.h>
#endif
@@ -614,6 +615,14 @@ void fsl_lsch2_early_init_f(void)
CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
}
+ /*
+ * Program Central Security Unit (CSU) to grant access
+ * permission for USB 2.0 controller
+ */
+#if defined(CONFIG_ARCH_LS1012A) && defined(CONFIG_USB_EHCI_FSL)
+ if (current_el() == 3)
+ set_devices_ns_access(CSU_CSLX_USB_2, CSU_ALL_RW);
+#endif
/* Erratum */
erratum_a008850_early(); /* part 1 of 2 */
erratum_a009929();
@@ -39,6 +39,7 @@ enum csu_cslx_ind {
CSU_CSLX_ESDHC,
CSU_CSLX_IFC = 45,
CSU_CSLX_I2C1,
+ CSU_CSLX_USB_2,
CSU_CSLX_I2C3 = 48,
CSU_CSLX_I2C2,
CSU_CSLX_DUART2 = 50,
Program Central Security Unit (CSU) to grant access permission for USB 2.0 controller, otherwiase EHCI funciton will down. Signed-off-by: Ran Wang <ran.wang_1@nxp.com> --- Change in v4: - None Change in v3: - None Change in v2: - Add EL checking code to make sure related programming only happen in EL3 arch/arm/cpu/armv8/fsl-layerscape/soc.c | 9 +++++++++ arch/arm/include/asm/arch-fsl-layerscape/ns_access.h | 1 + 2 files changed, 10 insertions(+)