These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / powerpc / include / asm / mpc5121.h

diff --git a/kernel/arch/powerpc/include/asm/mpc5121.h b/kernel/arch/powerpc/include/asm/mpc5121.h
index 4a69cd1..deaeb0b 100644 (file)
--- a/kernel/arch/powerpc/include/asm/mpc5121.h
+++ b/kernel/arch/powerpc/include/asm/mpc5121.h
@@ -60,4 +60,63 @@ struct mpc512x_lpc {
 
 int mpc512x_cs_config(unsigned int cs, u32 val);
 
+/*
+ * SCLPC Module (LPB FIFO)
+ */
+struct mpc512x_lpbfifo {
+       u32     pkt_size;       /* SCLPC Packet Size Register */
+       u32     start_addr;     /* SCLPC Start Address Register */
+       u32     ctrl;           /* SCLPC Control Register */
+       u32     enable;         /* SCLPC Enable Register */
+       u32     reserved1;
+       u32     status;         /* SCLPC Status Register */
+       u32     bytes_done;     /* SCLPC Bytes Done Register */
+       u32     emb_sc;         /* EMB Share Counter Register */
+       u32     emb_pc;         /* EMB Pause Control Register */
+       u32     reserved2[7];
+       u32     data_word;      /* LPC RX/TX FIFO Data Word Register */
+       u32     fifo_status;    /* LPC RX/TX FIFO Status Register */
+       u32     fifo_ctrl;      /* LPC RX/TX FIFO Control Register */
+       u32     fifo_alarm;     /* LPC RX/TX FIFO Alarm Register */
+};
+
+#define MPC512X_SCLPC_START            (1 << 31)
+#define MPC512X_SCLPC_CS(x)            (((x) & 0x7) << 24)
+#define MPC512X_SCLPC_FLUSH            (1 << 17)
+#define MPC512X_SCLPC_READ             (1 << 16)
+#define MPC512X_SCLPC_DAI              (1 << 8)
+#define MPC512X_SCLPC_BPT(x)           ((x) & 0x3f)
+#define MPC512X_SCLPC_RESET            (1 << 24)
+#define MPC512X_SCLPC_FIFO_RESET       (1 << 16)
+#define MPC512X_SCLPC_ABORT_INT_ENABLE (1 << 9)
+#define MPC512X_SCLPC_NORM_INT_ENABLE  (1 << 8)
+#define MPC512X_SCLPC_ENABLE           (1 << 0)
+#define MPC512X_SCLPC_SUCCESS          (1 << 24)
+#define MPC512X_SCLPC_FIFO_CTRL(x)     (((x) & 0x7) << 24)
+#define MPC512X_SCLPC_FIFO_ALARM(x)    ((x) & 0x3ff)
+
+enum lpb_dev_portsize {
+       LPB_DEV_PORTSIZE_UNDEFINED = 0,
+       LPB_DEV_PORTSIZE_1_BYTE = 1,
+       LPB_DEV_PORTSIZE_2_BYTES = 2,
+       LPB_DEV_PORTSIZE_4_BYTES = 4,
+       LPB_DEV_PORTSIZE_8_BYTES = 8
+};
+
+enum mpc512x_lpbfifo_req_dir {
+       MPC512X_LPBFIFO_REQ_DIR_READ,
+       MPC512X_LPBFIFO_REQ_DIR_WRITE
+};
+
+struct mpc512x_lpbfifo_request {
+       phys_addr_t dev_phys_addr; /* physical address of some device on LPB */
+       void *ram_virt_addr; /* virtual address of some region in RAM */
+       u32 size;
+       enum lpb_dev_portsize portsize;
+       enum mpc512x_lpbfifo_req_dir dir;
+       void (*callback)(struct mpc512x_lpbfifo_request *);
+};
+
+int mpc512x_lpbfifo_submit(struct mpc512x_lpbfifo_request *req);
+
 #endif /* __ASM_POWERPC_MPC5121_H__ */