[PATCH] arm64: zynqmp: Add support for SVD devices
Michal Simek
michal.simek at xilinx.com
Wed May 19 10:44:57 CEST 2021
SVD (Software Virtual Devices) are using different name which can't be
handled via zynqmp_devices structure. That's why introduce
zynqmp_detect_svd_name() which checks ID code for these devices and show
proper name for them.
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---
board/xilinx/zynqmp/zynqmp.c | 28 +++++++++++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
index d05f0b2e1202..6e353e3b0a57 100644
--- a/board/xilinx/zynqmp/zynqmp.c
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -185,6 +185,32 @@ static const struct {
},
};
+static const struct {
+ u32 id;
+ char *name;
+} zynqmp_svd_devices[] = {
+ {
+ .id = 0x04714093,
+ .name = "xck24"
+ },
+ {
+ .id = 0x04724093,
+ .name = "xck26",
+ },
+};
+
+static char *zynqmp_detect_svd_name(u32 idcode)
+{
+ u32 i;
+
+ for (i = 0; i < ARRAY_SIZE(zynqmp_svd_devices); i++) {
+ if (zynqmp_svd_devices[i].id == (idcode & 0x0FFFFFFF))
+ return zynqmp_svd_devices[i].name;
+ }
+
+ return "unknown";
+}
+
static char *zynqmp_get_silicon_idcode_name(void)
{
u32 i;
@@ -219,7 +245,7 @@ static char *zynqmp_get_silicon_idcode_name(void)
}
if (i >= ARRAY_SIZE(zynqmp_devices))
- return "unknown";
+ return zynqmp_detect_svd_name(idcode);
/* Add device prefix to the name */
ret = snprintf(name, ZYNQMP_VERSION_SIZE, "zu%d",
--
2.31.1
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