diff options
Diffstat (limited to '')
-rw-r--r-- | arch/powerpc/include/asm/mpc5121.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mpc5121.h b/arch/powerpc/include/asm/mpc5121.h new file mode 100644 index 000000000..9ae49e743 --- /dev/null +++ b/arch/powerpc/include/asm/mpc5121.h @@ -0,0 +1,120 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * MPC5121 Prototypes and definitions + */ + +#ifndef __ASM_POWERPC_MPC5121_H__ +#define __ASM_POWERPC_MPC5121_H__ + +/* MPC512x Reset module registers */ +struct mpc512x_reset_module { + u32 rcwlr; /* Reset Configuration Word Low Register */ + u32 rcwhr; /* Reset Configuration Word High Register */ + u32 reserved1; + u32 reserved2; + u32 rsr; /* Reset Status Register */ + u32 rmr; /* Reset Mode Register */ + u32 rpr; /* Reset Protection Register */ + u32 rcr; /* Reset Control Register */ + u32 rcer; /* Reset Control Enable Register */ +}; + +/* + * Clock Control Module + */ +struct mpc512x_ccm { + u32 spmr; /* System PLL Mode Register */ + u32 sccr1; /* System Clock Control Register 1 */ + u32 sccr2; /* System Clock Control Register 2 */ + u32 scfr1; /* System Clock Frequency Register 1 */ + u32 scfr2; /* System Clock Frequency Register 2 */ + u32 scfr2s; /* System Clock Frequency Shadow Register 2 */ + u32 bcr; /* Bread Crumb Register */ + u32 psc_ccr[12]; /* PSC Clock Control Registers */ + u32 spccr; /* SPDIF Clock Control Register */ + u32 cccr; /* CFM Clock Control Register */ + u32 dccr; /* DIU Clock Control Register */ + u32 mscan_ccr[4]; /* MSCAN Clock Control Registers */ + u32 out_ccr[4]; /* OUT CLK Configure Registers */ + u32 rsv0[2]; /* Reserved */ + u32 scfr3; /* System Clock Frequency Register 3 */ + u32 rsv1[3]; /* Reserved */ + u32 spll_lock_cnt; /* System PLL Lock Counter */ + u8 res[0x6c]; /* Reserved */ +}; + +/* + * LPC Module + */ +struct mpc512x_lpc { + u32 cs_cfg[8]; /* CS config */ + u32 cs_ctrl; /* CS Control Register */ + u32 cs_status; /* CS Status Register */ + u32 burst_ctrl; /* CS Burst Control Register */ + u32 deadcycle_ctrl; /* CS Deadcycle Control Register */ + u32 holdcycle_ctrl; /* CS Holdcycle Control Register */ + u32 alt; /* Address Latch Timing Register */ +}; + +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__ */ |