MLK-21831-6 imx8: scu_api: Add new SCFW API

Update SCFW API to get resource owner and check whether a partition
is started.

Signed-off-by: Ye Li <ye.li@nxp.com>

diff --git a/arch/arm/include/asm/arch-imx8/sci/rpc.h b/arch/arm/include/asm/arch-imx8/sci/rpc.h
index c429bd0..c318d65 100644 (file)
--- a/arch/arm/include/asm/arch-imx8/sci/rpc.h
+++ b/arch/arm/include/asm/arch-imx8/sci/rpc.h
@@ -76,6 +76,7 @@ struct sc_rpc_msg_s {
 #define PM_FUNC_REBOOT                         9U
 #define PM_FUNC_REBOOT_PARTITION               12U
 #define PM_FUNC_CPU_START                      11U
+#define PM_FUNC_IS_PARTITION_STARTED 24U
 
 /* MISC RPC */
 #define MISC_FUNC_UNKNOWN                      0
@@ -141,6 +142,7 @@ struct sc_rpc_msg_s {
 #define RM_FUNC_SET_MASTER_SID                 11U
 #define RM_FUNC_SET_PERIPHERAL_PERMISSIONS     12U
 #define RM_FUNC_IS_RESOURCE_OWNED              13U
+#define RM_FUNC_GET_RESOURCE_OWNER 33U
 #define RM_FUNC_IS_RESOURCE_MASTER             14U
 #define RM_FUNC_IS_RESOURCE_PERIPHERAL         15U
 #define RM_FUNC_GET_RESOURCE_INFO              16U

diff --git a/arch/arm/include/asm/arch-imx8/sci/sci.h b/arch/arm/include/asm/arch-imx8/sci/sci.h
index 1feb197..bfd534c 100644 (file)
--- a/arch/arm/include/asm/arch-imx8/sci/sci.h
+++ b/arch/arm/include/asm/arch-imx8/sci/sci.h
@@ -75,6 +75,7 @@ int sc_pm_set_clock_parent(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk,
                        sc_pm_clk_parent_t parent);
 int sc_pm_cpu_start(sc_ipc_t ipc, sc_rsrc_t resource, sc_bool_t enable,
                        sc_faddr_t address);
+sc_bool_t sc_pm_is_partition_started(sc_ipc_t ipc, sc_rm_pt_t pt);
 
 /* MISC API */
 int sc_misc_set_control(sc_ipc_t ipc, sc_rsrc_t resource,
@@ -107,6 +108,8 @@ int sc_rm_assign_resource(sc_ipc_t ipc, sc_rm_pt_t pt,
                        sc_rsrc_t resource);
 int sc_rm_assign_pad(sc_ipc_t ipc, sc_rm_pt_t pt, sc_pad_t pad);
 sc_bool_t sc_rm_is_pad_owned(sc_ipc_t ipc, sc_pad_t pad);
+int sc_rm_get_resource_owner(sc_ipc_t ipc, sc_rsrc_t resource,
+                       sc_rm_pt_t *pt);
 
 /* PAD API */
 int sc_pad_set(sc_ipc_t ipc, sc_pad_t pad, u32 val);

diff --git a/drivers/misc/imx8/scu_api.c b/drivers/misc/imx8/scu_api.c
index c6eb9b3..cf5c2f4 100644 (file)
--- a/drivers/misc/imx8/scu_api.c
+++ b/drivers/misc/imx8/scu_api.c
@@ -146,6 +146,33 @@ int sc_pm_set_resource_power_mode(sc_ipc_t ipc, sc_rsrc_t resource,
        return ret;
 }
 
+sc_bool_t sc_pm_is_partition_started(sc_ipc_t ipc, sc_rm_pt_t pt)
+{
+       struct udevice *dev = gd->arch.scu_dev;
+       int size = sizeof(struct sc_rpc_msg_s);
+       struct sc_rpc_msg_s msg;
+       int ret;
+       u8 result;
+
+       RPC_VER(&msg) = SC_RPC_VERSION;
+       RPC_SVC(&msg) = (u8)(SC_RPC_SVC_PM);
+       RPC_FUNC(&msg) = (u8)(PM_FUNC_IS_PARTITION_STARTED);
+       RPC_U8(&msg, 0U) = (u8)(pt);
+       RPC_SIZE(&msg) = 2U;
+
+       ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size);
+
+       result = RPC_R8(&msg);
+       if (result != 0 && result != 1) {
+               printf("%s: partition:%d res:%d\n",
+                      __func__, pt, RPC_R8(&msg));
+               if (ret)
+                       printf("%s: partition:%d res:%d\n", __func__, pt,
+                              RPC_R8(&msg));
+       }
+       return !!result;
+}
+
 /* PAD */
 int sc_pad_set(sc_ipc_t ipc, sc_pad_t pad, u32 val)
 {
@@ -708,6 +735,29 @@ sc_bool_t sc_rm_is_pad_owned(sc_ipc_t ipc, sc_pad_t pad)
 
 }
 
+int sc_rm_get_resource_owner(sc_ipc_t ipc, sc_rsrc_t resource,
+       sc_rm_pt_t *pt)
+{
+       struct udevice *dev = gd->arch.scu_dev;
+       struct sc_rpc_msg_s msg;
+       int size = sizeof(struct sc_rpc_msg_s);
+       int ret;
+
+       RPC_VER(&msg) = SC_RPC_VERSION;
+       RPC_SVC(&msg) = (u8)(SC_RPC_SVC_RM);
+       RPC_FUNC(&msg) = (u8)(RM_FUNC_GET_RESOURCE_OWNER);
+       RPC_U16(&msg, 0U) = (u16)(resource);
+       RPC_SIZE(&msg) = 2U;
+
+       ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size);
+       if (pt != NULL)
+       {
+           *pt = RPC_U8(&msg, 0U);
+       }
+
+       return ret;
+}
+
 int sc_pm_cpu_start(sc_ipc_t ipc, sc_rsrc_t resource, sc_bool_t enable,
        sc_faddr_t address)
 {