Add command "zynqmp pmufw node close" to disable permission to load
additional pmufw config overlays. This command will make sure that any
other sw will ask for changing permission.
Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---
board/xilinx/zynqmp/cmds.c | 16 ++++++++++++++++
drivers/firmware/firmware-zynqmp.c | 19 +++++++++++++++++++
include/zynqmp_firmware.h | 1 +
3 files changed, 36 insertions(+)
diff --git a/board/xilinx/zynqmp/cmds.c b/board/xilinx/zynqmp/cmds.c
index 5a277c712f60..2ab9596248c0 100644
--- a/board/xilinx/zynqmp/cmds.c
+++ b/board/xilinx/zynqmp/cmds.c
@@ -209,6 +209,19 @@ static int do_zynqmp_pmufw(struct cmd_tbl *cmdtp, int
flag, int argc,
if (argc != cmdtp->maxargs)
return CMD_RET_USAGE;
+ if (!strncmp(argv[2], "node", 4)) {
+ u32 id;
+
+ if (!strncmp(argv[3], "close", 5))
+ return zynqmp_pmufw_config_close();
+
+ id = dectoul(argv[3], NULL);
+
+ printf("Enable permission for node ID %d\n", id);
+
+ return zynqmp_pmufw_node(id);
+ }
+
addr = hextoul(argv[2], NULL);
size = hextoul(argv[3], NULL);
@@ -416,6 +429,9 @@ static char zynqmp_help_text[] =
" lock(0)/split(1)\n"
#endif
"zynqmp pmufw address size - load PMU FW configuration object\n"
+ "zynqmp pmufw node <id> - load PMU FW configuration object\n"
+ "zynqmp pmufw node close - disable config object loading\n"
+ " node: keyword, id: NODE_ID in decimal format\n"
"zynqmp rsa srcaddr srclen mod exp rsaop -\n"
" Performs RSA encryption and RSA decryption on blob of data\n"
" at srcaddr and puts it back in srcaddr using modulus and\n"
diff --git a/drivers/firmware/firmware-zynqmp.c
b/drivers/firmware/firmware-zynqmp.c
index a80e73307982..2ba0b3a7c5c6 100644
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -49,6 +49,25 @@ static unsigned int xpm_configobject[] = {
PM_CONFIG_IPI_PSU_CORTEXR5_1_MASK, /* IPI Mask */
};
+static unsigned int xpm_configobject_close[] = {
+ /**********************************************************************/
+ /* HEADER */
+ 2, /* Number of remaining words in the header */
+ 1, /* Number of sections included in config object */
+ PM_CONFIG_OBJECT_TYPE_OVERLAY, /* Type of Config object as overlay */
+ /**********************************************************************/
+ /* SET CONFIG SECTION */
+ PM_CONFIG_SET_CONFIG_SECTION_ID,
+ 0U, /* Loading permission to Overlay config object */
+};
+
+int zynqmp_pmufw_config_close(void)
+{
+ zynqmp_pmufw_load_config_object(xpm_configobject_close,
+ sizeof(xpm_configobject_close));
+ return 0;
+}
+
int zynqmp_pmufw_node(u32 id)
{
/* Record power domain id */
diff --git a/include/zynqmp_firmware.h b/include/zynqmp_firmware.h
index 76c161806a0d..50bf4ef39535 100644
--- a/include/zynqmp_firmware.h
+++ b/include/zynqmp_firmware.h
@@ -368,6 +368,7 @@ enum pm_ioctl_id {
unsigned int zynqmp_firmware_version(void);
int zynqmp_pmufw_node(u32 id);
+int zynqmp_pmufw_config_close(void);
void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size);
int xilinx_pm_request(u32 api_id, u32 arg0, u32 arg1, u32 arg2,
u32 arg3, u32 *ret_payload);
--
2.34.1
