The SSE-200 and SSE-300 have different PID register values from the
IoTKit for the sysctl register block. We incorrectly implemented the
SSE-200 with the same PID values as IoTKit. Fix the SSE-200 bug and
report these register values for SSE-300.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210219144617.4782-19-peter.maydell@linaro.org
---
hw/misc/iotkit-sysctl.c | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/hw/misc/iotkit-sysctl.c b/hw/misc/iotkit-sysctl.c
index aa8c49d9b6b..9ee8fe8495c 100644
--- a/hw/misc/iotkit-sysctl.c
+++ b/hw/misc/iotkit-sysctl.c
@@ -75,12 +75,19 @@ REG32(CID2, 0xff8)
REG32(CID3, 0xffc)
/* PID/CID values */
-static const int sysctl_id[] = {
+static const int iotkit_sysctl_id[] = {
0x04, 0x00, 0x00, 0x00, /* PID4..PID7 */
0x54, 0xb8, 0x0b, 0x00, /* PID0..PID3 */
0x0d, 0xf0, 0x05, 0xb1, /* CID0..CID3 */
};
+/* Also used by the SSE300 */
+static const int sse200_sysctl_id[] = {
+ 0x04, 0x00, 0x00, 0x00, /* PID4..PID7 */
+ 0x54, 0xb8, 0x1b, 0x00, /* PID0..PID3 */
+ 0x0d, 0xf0, 0x05, 0xb1, /* CID0..CID3 */
+};
+
/*
* Set the initial secure vector table offset address for the core.
* This will take effect when the CPU next resets.
@@ -328,7 +335,17 @@ static uint64_t iotkit_sysctl_read(void *opaque, hwaddr offset,
}
break;
case A_PID4 ... A_CID3:
- r = sysctl_id[(offset - A_PID4) / 4];
+ switch (s->sse_version) {
+ case ARMSSE_IOTKIT:
+ r = iotkit_sysctl_id[(offset - A_PID4) / 4];
+ break;
+ case ARMSSE_SSE200:
+ case ARMSSE_SSE300:
+ r = sse200_sysctl_id[(offset - A_PID4) / 4];
+ break;
+ default:
+ g_assert_not_reached();
+ }
break;
case A_SECDBGSET:
case A_SECDBGCLR:
--
2.20.1