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author | Michael Ellerman <mpe@ellerman.id.au> | 2015-11-05 08:35:12 (GMT) |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-11-05 08:35:12 (GMT) |
commit | 8bdf2023e238ce2262d0cf1aca78785dc46e15db (patch) | |
tree | 3fc66bb23f987ec6d6108074e731a84eb3574250 /arch/powerpc/include | |
parent | 3b0e21ec3b22ab5eced5331eaf55949006f22687 (diff) | |
parent | 39e69f55f85731d9c0320c03212a4d1f149464f0 (diff) | |
download | linux-8bdf2023e238ce2262d0cf1aca78785dc46e15db.tar.xz |
Merge branch 'next' of git://git.denx.de/linux-denx-agust into next
MPC5xxx updates from Anatolij:
"Highlights include a driver for MPC512x LocalPlus Bus FIFO with its
device tree binding documentation, mpc512x device tree updates and some
minor fixes."
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r-- | arch/powerpc/include/asm/mpc5121.h | 59 | ||||
-rw-r--r-- | arch/powerpc/include/asm/mpc52xx_psc.h | 2 |
2 files changed, 59 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/mpc5121.h b/arch/powerpc/include/asm/mpc5121.h index 4a69cd1..deaeb0b 100644 --- a/arch/powerpc/include/asm/mpc5121.h +++ b/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__ */ diff --git a/arch/powerpc/include/asm/mpc52xx_psc.h b/arch/powerpc/include/asm/mpc52xx_psc.h index 04c7e8f..ec995b2 100644 --- a/arch/powerpc/include/asm/mpc52xx_psc.h +++ b/arch/powerpc/include/asm/mpc52xx_psc.h @@ -261,8 +261,6 @@ struct mpc52xx_psc_fifo { #define MPC512x_PSC_FIFO_FULL 0x2 #define MPC512x_PSC_FIFO_ALARM 0x4 #define MPC512x_PSC_FIFO_URERR 0x8 -#define MPC512x_PSC_FIFO_ORERR 0x01 -#define MPC512x_PSC_FIFO_MEMERROR 0x02 struct mpc512x_psc_fifo { u32 reserved1[10]; |