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authorSonic Zhang <Sonic.Zhang@analog.com>2008-11-26 22:16:45 -0500
committerMike Frysinger <vapier@gentoo.org>2009-02-02 12:27:14 -0500
commit8a6b272596d43de0db4943eac7af58c3534c4026 (patch)
tree9cd5498465898a78b0bec75fc8d4091b81cd1192 /include/asm-blackfin/mach-common
parentbe9d8c780e6831cb84b7d4590ceae03dca8fc10b (diff)
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Blackfin: add driver for on-chip ATAPI controller
This is a port of the Linux Blackfin on-chip ATAPI driver to U-Boot. Signed-off-by: Sonic Zhang <Sonic.Zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'include/asm-blackfin/mach-common')
-rw-r--r--include/asm-blackfin/mach-common/bits/pata.h220
1 files changed, 220 insertions, 0 deletions
diff --git a/include/asm-blackfin/mach-common/bits/pata.h b/include/asm-blackfin/mach-common/bits/pata.h
new file mode 100644
index 0000000..9b61824
--- /dev/null
+++ b/include/asm-blackfin/mach-common/bits/pata.h
@@ -0,0 +1,220 @@
+/*
+ * ATAPI Masks
+ */
+
+#ifndef __BFIN_PERIPHERAL_PATA__
+#define __BFIN_PERIPHERAL_PATA__
+
+/* Bit masks for ATAPI_CONTROL */
+#define PIO_START 0x1 /* Start PIO/Reg Op */
+#define MULTI_START 0x2 /* Start Multi-DMA Op */
+#define ULTRA_START 0x4 /* Start Ultra-DMA Op */
+#define XFER_DIR 0x8 /* Transfer Direction */
+#define IORDY_EN 0x10 /* IORDY Enable */
+#define FIFO_FLUSH 0x20 /* Flush FIFOs */
+#define SOFT_RST 0x40 /* Soft Reset */
+#define DEV_RST 0x80 /* Device Reset */
+#define TFRCNT_RST 0x100 /* Trans Count Reset */
+#define END_ON_TERM 0x200 /* End/Terminate Select */
+#define PIO_USE_DMA 0x400 /* PIO-DMA Enable */
+#define UDMAIN_FIFO_THRS 0xf000 /* Ultra DMA-IN FIFO Threshold */
+
+/* Bit masks for ATAPI_STATUS */
+#define PIO_XFER_ON 0x1 /* PIO transfer in progress */
+#define MULTI_XFER_ON 0x2 /* Multi-word DMA transfer in progress */
+#define ULTRA_XFER_ON 0x4 /* Ultra DMA transfer in progress */
+#define ULTRA_IN_FL 0xf0 /* Ultra DMA Input FIFO Level */
+
+/* Bit masks for ATAPI_DEV_ADDR */
+#define DEV_ADDR 0x1f /* Device Address */
+
+/* Bit masks for ATAPI_INT_MASK */
+#define ATAPI_DEV_INT_MASK 0x1 /* Device interrupt mask */
+#define PIO_DONE_MASK 0x2 /* PIO transfer done interrupt mask */
+#define MULTI_DONE_MASK 0x4 /* Multi-DMA transfer done interrupt mask */
+#define UDMAIN_DONE_MASK 0x8 /* Ultra-DMA in transfer done interrupt mask */
+#define UDMAOUT_DONE_MASK 0x10 /* Ultra-DMA out transfer done interrupt mask */
+#define HOST_TERM_XFER_MASK 0x20 /* Host terminate current transfer interrupt mask */
+#define MULTI_TERM_MASK 0x40 /* Device terminate Multi-DMA transfer interrupt mask */
+#define UDMAIN_TERM_MASK 0x80 /* Device terminate Ultra-DMA-in transfer interrupt mask */
+#define UDMAOUT_TERM_MASK 0x100 /* Device terminate Ultra-DMA-out transfer interrupt mask */
+
+/* Bit masks for ATAPI_INT_STATUS */
+#define ATAPI_DEV_INT 0x1 /* Device interrupt status */
+#define PIO_DONE_INT 0x2 /* PIO transfer done interrupt status */
+#define MULTI_DONE_INT 0x4 /* Multi-DMA transfer done interrupt status */
+#define UDMAIN_DONE_INT 0x8 /* Ultra-DMA in transfer done interrupt status */
+#define UDMAOUT_DONE_INT 0x10 /* Ultra-DMA out transfer done interrupt status */
+#define HOST_TERM_XFER_INT 0x20 /* Host terminate current transfer interrupt status */
+#define MULTI_TERM_INT 0x40 /* Device terminate Multi-DMA transfer interrupt status */
+#define UDMAIN_TERM_INT 0x80 /* Device terminate Ultra-DMA-in transfer interrupt status */
+#define UDMAOUT_TERM_INT 0x100 /* Device terminate Ultra-DMA-out transfer interrupt status */
+
+/* Bit masks for ATAPI_LINE_STATUS */
+#define ATAPI_INTR 0x1 /* Device interrupt to host line status */
+#define ATAPI_DASP 0x2 /* Device dasp to host line status */
+#define ATAPI_CS0N 0x4 /* ATAPI chip select 0 line status */
+#define ATAPI_CS1N 0x8 /* ATAPI chip select 1 line status */
+#define ATAPI_ADDR 0x70 /* ATAPI address line status */
+#define ATAPI_DMAREQ 0x80 /* ATAPI DMA request line status */
+#define ATAPI_DMAACKN 0x100 /* ATAPI DMA acknowledge line status */
+#define ATAPI_DIOWN 0x200 /* ATAPI write line status */
+#define ATAPI_DIORN 0x400 /* ATAPI read line status */
+#define ATAPI_IORDY 0x800 /* ATAPI IORDY line status */
+
+/* Bit masks for ATAPI_SM_STATE */
+#define PIO_CSTATE 0xf /* PIO mode state machine current state */
+#define DMA_CSTATE 0xf0 /* DMA mode state machine current state */
+#define UDMAIN_CSTATE 0xf00 /* Ultra DMA-In mode state machine current state */
+#define UDMAOUT_CSTATE 0xf000 /* ATAPI IORDY line status */
+
+/* Bit masks for ATAPI_TERMINATE */
+#define ATAPI_HOST_TERM 0x1 /* Host terminationation */
+
+/* Bit masks for ATAPI_REG_TIM_0 */
+#define T2_REG 0xff /* End of cycle time for register access transfers */
+#define TEOC_REG 0xff00 /* Selects DIOR/DIOW pulsewidth */
+
+/* Bit masks for ATAPI_PIO_TIM_0 */
+#define T1_REG 0xf /* Time from address valid to DIOR/DIOW */
+#define T2_REG_PIO 0xff0 /* DIOR/DIOW pulsewidth */
+#define T4_REG 0xf000 /* DIOW data hold */
+
+/* Bit masks for ATAPI_PIO_TIM_1 */
+#define TEOC_REG_PIO 0xff /* End of cycle time for PIO access transfers. */
+
+/* Bit masks for ATAPI_MULTI_TIM_0 */
+#define TD 0xff /* DIOR/DIOW asserted pulsewidth */
+#define TM 0xff00 /* Time from address valid to DIOR/DIOW */
+
+/* Bit masks for ATAPI_MULTI_TIM_1 */
+#define TKW 0xff /* Selects DIOW negated pulsewidth */
+#define TKR 0xff00 /* Selects DIOR negated pulsewidth */
+
+/* Bit masks for ATAPI_MULTI_TIM_2 */
+#define TH 0xff /* Selects DIOW data hold */
+#define TEOC 0xff00 /* Selects end of cycle for DMA */
+
+/* Bit masks for ATAPI_ULTRA_TIM_0 */
+#define TACK 0xff /* Selects setup and hold times for TACK */
+#define TENV 0xff00 /* Selects envelope time */
+
+/* Bit masks for ATAPI_ULTRA_TIM_1 */
+#define TDVS 0xff /* Selects data valid setup time */
+#define TCYC_TDVS 0xff00 /* Selects cycle time - TDVS time */
+
+/* Bit masks for ATAPI_ULTRA_TIM_2 */
+#define TSS 0xff /* Selects time from STROBE edge to negation of DMARQ or assertion of STOP */
+#define TMLI 0xff00 /* Selects interlock time */
+
+/* Bit masks for ATAPI_ULTRA_TIM_3 */
+#define TZAH 0xff /* Selects minimum delay required for output */
+#define READY_PAUSE 0xff00 /* Selects ready to pause */
+
+/* Bit masks for ATAPI_CONTROL */
+#define PIO_START 0x1 /* Start PIO/Reg Op */
+#define MULTI_START 0x2 /* Start Multi-DMA Op */
+#define ULTRA_START 0x4 /* Start Ultra-DMA Op */
+#define XFER_DIR 0x8 /* Transfer Direction */
+#define IORDY_EN 0x10 /* IORDY Enable */
+#define FIFO_FLUSH 0x20 /* Flush FIFOs */
+#define SOFT_RST 0x40 /* Soft Reset */
+#define DEV_RST 0x80 /* Device Reset */
+#define TFRCNT_RST 0x100 /* Trans Count Reset */
+#define END_ON_TERM 0x200 /* End/Terminate Select */
+#define PIO_USE_DMA 0x400 /* PIO-DMA Enable */
+#define UDMAIN_FIFO_THRS 0xf000 /* Ultra DMA-IN FIFO Threshold */
+
+/* Bit masks for ATAPI_STATUS */
+#define PIO_XFER_ON 0x1 /* PIO transfer in progress */
+#define MULTI_XFER_ON 0x2 /* Multi-word DMA transfer in progress */
+#define ULTRA_XFER_ON 0x4 /* Ultra DMA transfer in progress */
+#define ULTRA_IN_FL 0xf0 /* Ultra DMA Input FIFO Level */
+
+/* Bit masks for ATAPI_DEV_ADDR */
+#define DEV_ADDR 0x1f /* Device Address */
+
+/* Bit masks for ATAPI_INT_MASK */
+#define ATAPI_DEV_INT_MASK 0x1 /* Device interrupt mask */
+#define PIO_DONE_MASK 0x2 /* PIO transfer done interrupt mask */
+#define MULTI_DONE_MASK 0x4 /* Multi-DMA transfer done interrupt mask */
+#define UDMAIN_DONE_MASK 0x8 /* Ultra-DMA in transfer done interrupt mask */
+#define UDMAOUT_DONE_MASK 0x10 /* Ultra-DMA out transfer done interrupt mask */
+#define HOST_TERM_XFER_MASK 0x20 /* Host terminate current transfer interrupt mask */
+#define MULTI_TERM_MASK 0x40 /* Device terminate Multi-DMA transfer interrupt mask */
+#define UDMAIN_TERM_MASK 0x80 /* Device terminate Ultra-DMA-in transfer interrupt mask */
+#define UDMAOUT_TERM_MASK 0x100 /* Device terminate Ultra-DMA-out transfer interrupt mask */
+
+/* Bit masks for ATAPI_INT_STATUS */
+#define ATAPI_DEV_INT 0x1 /* Device interrupt status */
+#define PIO_DONE_INT 0x2 /* PIO transfer done interrupt status */
+#define MULTI_DONE_INT 0x4 /* Multi-DMA transfer done interrupt status */
+#define UDMAIN_DONE_INT 0x8 /* Ultra-DMA in transfer done interrupt status */
+#define UDMAOUT_DONE_INT 0x10 /* Ultra-DMA out transfer done interrupt status */
+#define HOST_TERM_XFER_INT 0x20 /* Host terminate current transfer interrupt status */
+#define MULTI_TERM_INT 0x40 /* Device terminate Multi-DMA transfer interrupt status */
+#define UDMAIN_TERM_INT 0x80 /* Device terminate Ultra-DMA-in transfer interrupt status */
+#define UDMAOUT_TERM_INT 0x100 /* Device terminate Ultra-DMA-out transfer interrupt status */
+
+/* Bit masks for ATAPI_LINE_STATUS */
+#define ATAPI_INTR 0x1 /* Device interrupt to host line status */
+#define ATAPI_DASP 0x2 /* Device dasp to host line status */
+#define ATAPI_CS0N 0x4 /* ATAPI chip select 0 line status */
+#define ATAPI_CS1N 0x8 /* ATAPI chip select 1 line status */
+#define ATAPI_ADDR 0x70 /* ATAPI address line status */
+#define ATAPI_DMAREQ 0x80 /* ATAPI DMA request line status */
+#define ATAPI_DMAACKN 0x100 /* ATAPI DMA acknowledge line status */
+#define ATAPI_DIOWN 0x200 /* ATAPI write line status */
+#define ATAPI_DIORN 0x400 /* ATAPI read line status */
+#define ATAPI_IORDY 0x800 /* ATAPI IORDY line status */
+
+/* Bit masks for ATAPI_SM_STATE */
+#define PIO_CSTATE 0xf /* PIO mode state machine current state */
+#define DMA_CSTATE 0xf0 /* DMA mode state machine current state */
+#define UDMAIN_CSTATE 0xf00 /* Ultra DMA-In mode state machine current state */
+#define UDMAOUT_CSTATE 0xf000 /* ATAPI IORDY line status */
+
+/* Bit masks for ATAPI_TERMINATE */
+#define ATAPI_HOST_TERM 0x1 /* Host terminationation */
+
+/* Bit masks for ATAPI_REG_TIM_0 */
+#define T2_REG 0xff /* End of cycle time for register access transfers */
+#define TEOC_REG 0xff00 /* Selects DIOR/DIOW pulsewidth */
+
+/* Bit masks for ATAPI_PIO_TIM_0 */
+#define T1_REG 0xf /* Time from address valid to DIOR/DIOW */
+#define T2_REG_PIO 0xff0 /* DIOR/DIOW pulsewidth */
+#define T4_REG 0xf000 /* DIOW data hold */
+
+/* Bit masks for ATAPI_PIO_TIM_1 */
+#define TEOC_REG_PIO 0xff /* End of cycle time for PIO access transfers. */
+
+/* Bit masks for ATAPI_MULTI_TIM_0 */
+#define TD 0xff /* DIOR/DIOW asserted pulsewidth */
+#define TM 0xff00 /* Time from address valid to DIOR/DIOW */
+
+/* Bit masks for ATAPI_MULTI_TIM_1 */
+#define TKW 0xff /* Selects DIOW negated pulsewidth */
+#define TKR 0xff00 /* Selects DIOR negated pulsewidth */
+
+/* Bit masks for ATAPI_MULTI_TIM_2 */
+#define TH 0xff /* Selects DIOW data hold */
+#define TEOC 0xff00 /* Selects end of cycle for DMA */
+
+/* Bit masks for ATAPI_ULTRA_TIM_0 */
+#define TACK 0xff /* Selects setup and hold times for TACK */
+#define TENV 0xff00 /* Selects envelope time */
+
+/* Bit masks for ATAPI_ULTRA_TIM_1 */
+#define TDVS 0xff /* Selects data valid setup time */
+#define TCYC_TDVS 0xff00 /* Selects cycle time - TDVS time */
+
+/* Bit masks for ATAPI_ULTRA_TIM_2 */
+#define TSS 0xff /* Selects time from STROBE edge to negation of DMARQ or assertion of STOP */
+#define TMLI 0xff00 /* Selects interlock time */
+
+/* Bit masks for ATAPI_ULTRA_TIM_3 */
+#define TZAH 0xff /* Selects minimum delay required for output */
+#define READY_PAUSE 0xff00 /* Selects ready to pause */
+
+#endif /* __BFIN_PERIPHERAL_PATA__ */