diff options
Diffstat (limited to 'drivers/firmware/firmware-zynqmp.c')
| -rw-r--r-- | drivers/firmware/firmware-zynqmp.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c index 2bdf7771f6..66edc16930 100644 --- a/drivers/firmware/firmware-zynqmp.c +++ b/drivers/firmware/firmware-zynqmp.c @@ -18,6 +18,8 @@ #define PMUFW_PAYLOAD_ARG_CNT 8 +#define XST_PM_NO_ACCESS 2002L + struct zynqmp_power { struct mbox_chan tx_chan; struct mbox_chan rx_chan; @@ -99,16 +101,25 @@ void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size) PM_SET_CONFIGURATION, (u32)((u64)cfg_obj) }; - u32 response; + u32 response = 0; int err; printf("Loading new PMUFW cfg obj (%ld bytes)\n", size); err = send_req(request, ARRAY_SIZE(request), &response, 1); + if (err == XST_PM_NO_ACCESS) { + printf("PMUFW no permission to change config object\n"); + return; + } + if (err) - panic("Cannot load PMUFW configuration object (%d)\n", err); - if (response != 0) - panic("PMUFW returned 0x%08x status!\n", response); + printf("Cannot load PMUFW configuration object (%d)\n", err); + + if (response) + printf("PMUFW returned 0x%08x status!\n", response); + + if ((err || response) && IS_ENABLED(CONFIG_SPL_BUILD)) + panic("PMUFW config object loading failed in EL3\n"); } static int zynqmp_power_probe(struct udevice *dev) |