diff options
| author | Michal Simek <michal.simek@xilinx.com> | 2019-09-27 14:20:00 +0200 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2019-10-08 09:55:11 +0200 |
| commit | a3e552b53fb85abce33a8e00bc430d014d7ee733 (patch) | |
| tree | 806173ea1e0229a41538799d74e41fa11eae41cc /drivers/firmware | |
| parent | b6039aad2d233622729282d1ecd9963366dbf0b4 (diff) | |
arm64: zynqmp: Use mailbox driver for PMUFW config loading
With new mailbox driver PMUFW configuration object can be loaded via the
same interface and there is no need to have pmu_ipc.c completely.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/firmware-zynqmp.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c index 304398fed6..15e82ac3b3 100644 --- a/drivers/firmware/firmware-zynqmp.c +++ b/drivers/firmware/firmware-zynqmp.c @@ -84,6 +84,30 @@ unsigned int zynqmp_firmware_version(void) return pm_api_version; }; +/** + * Send a configuration object to the PMU firmware. + * + * @cfg_obj: Pointer to the configuration object + * @size: Size of @cfg_obj in bytes + */ +void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size) +{ + const u32 request[] = { + PM_SET_CONFIGURATION, + (u32)((u64)cfg_obj) + }; + u32 response; + int err; + + printf("Loading new PMUFW cfg obj (%ld bytes)\n", size); + + err = send_req(request, ARRAY_SIZE(request), &response, 1); + if (err) + panic("Cannot load PMUFW configuration object (%d)\n", err); + if (response != 0) + panic("PMUFW returned 0x%08x status!\n", response); +} + static int zynqmp_power_probe(struct udevice *dev) { int ret = 0; |