summaryrefslogtreecommitdiffstats
path: root/firmware/export/s3c2440.h
diff options
context:
space:
mode:
authorDominik Wenger <domonoky@googlemail.com>2009-10-22 17:45:02 +0000
committerDominik Wenger <domonoky@googlemail.com>2009-10-22 17:45:02 +0000
commit5b4938a8ca8494afa560200b67eb76df4224caea (patch)
treea3051a2e0abf058d9b8a7b09483d3a3f381b8e50 /firmware/export/s3c2440.h
parent724d1e0f3cfba44d7aa4248d15c3ce35a718a91f (diff)
downloadrockbox-5b4938a8ca8494afa560200b67eb76df4224caea.tar.gz
rockbox-5b4938a8ca8494afa560200b67eb76df4224caea.tar.bz2
rockbox-5b4938a8ca8494afa560200b67eb76df4224caea.zip
Working Bootloader for mini2440.
Flyspray: FS#10701 Author: Bob Cousins git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23316 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/export/s3c2440.h')
-rw-r--r--firmware/export/s3c2440.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/firmware/export/s3c2440.h b/firmware/export/s3c2440.h
index 5f595214a1..c783b37f29 100644
--- a/firmware/export/s3c2440.h
+++ b/firmware/export/s3c2440.h
@@ -212,6 +212,41 @@
#define DMASKTRIG_ON (1 << 1)
#define DMASKTRIG_SW_TRIG (1 << 0)
+/* Get DMA request source (HWSRCSEL) from the map for the specified channel */
+#define DMA_GET_SRC(map,channel) ( ((map) << (channel*8)) & 0xff)
+
+#define DMA_CH0(x) (x<<0)
+#define DMA_CH1(x) (x<<8)
+#define DMA_CH2(x) (x<<16)
+#define DMA_CH3(x) (x<<24)
+
+#define DMA_INVALID 0xff
+#define DMA_INV0 DMA_CH0(DMA_INVALID)
+#define DMA_INV1 DMA_CH1(DMA_INVALID)
+#define DMA_INV2 DMA_CH2(DMA_INVALID)
+#define DMA_INV3 DMA_CH3(DMA_INVALID)
+
+/* This map encodes the DMA request source field (HWSRCSEL) since it's value
+ * depends on channel number and peripheral type.
+ */
+#define DMA_SRC_MAP_XDREQ0 (DMA_CH0(0) | DMA_INV1 | DMA_INV2 | DMA_INV3)
+#define DMA_SRC_MAP_XDREQ1 (DMA_INV0 | DMA_CH1(0) | DMA_INV2 | DMA_INV3)
+#define DMA_SRC_MAP_USB_EP1 (DMA_CH0(4) | DMA_INV1 | DMA_INV2 | DMA_INV3)
+#define DMA_SRC_MAP_USB_EP2 (DMA_INV0 | DMA_CH1(4) | DMA_INV2 | DMA_INV3)
+#define DMA_SRC_MAP_USB_EP3 (DMA_INV0 | DMA_INV1 | DMA_CH2(4) | DMA_INV3)
+#define DMA_SRC_MAP_USB_EP4 (DMA_INV0 | DMA_INV1 | DMA_INV2 | DMA_CH3(4))
+#define DMA_SRC_MAP_SDI (DMA_CH0(2) | DMA_CH1(6) | DMA_CH2(2) | DMA_CH3(1))
+#define DMA_SRC_MAP_UART0 (DMA_CH0(1) | DMA_INV1 | DMA_INV2 | DMA_INV3)
+#define DMA_SRC_MAP_UART1 (DMA_INV0 | DMA_CH1(1) | DMA_INV2 | DMA_INV3)
+#define DMA_SRC_MAP_UART2 (DMA_INV0 | DMA_INV1 | DMA_INV2 | DMA_CH3(0))
+#define DMA_SRC_MAP_I2SSDO (DMA_CH0(5) | DMA_INV1 | DMA_CH2(0) | DMA_INV3)
+#define DMA_SRC_MAP_I2SSDI (DMA_INV0 | DMA_CH1(2) | DMA_CH2(1) | DMA_INV3)
+#define DMA_SRC_MAP_PCMOUT (DMA_INV0 | DMA_CH1(5) | DMA_INV2 | DMA_CH3(6))
+#define DMA_SRC_MAP_PCMIN (DMA_CH0(6) | DMA_INV1 | DMA_CH2(5) | DMA_INV3)
+#define DMA_SRC_MAP_MICIN (DMA_INV0 | DMA_INV1 | DMA_CH2(6) | DMA_CH3(5))
+#define DMA_SRC_MAP_SPI0 (DMA_INV0 | DMA_CH1(3) | DMA_INV2 | DMA_INV3)
+#define DMA_SRC_MAP_SPI1 (DMA_INV0 | DMA_INV1 | DMA_INV2 | DMA_CH3(2))
+#define DMA_SRC_MAP_TIMER (DMA_CH0(3) | DMA_INV1 | DMA_CH2(3) | DMA_CH3(3))
/* Clock & Power Management */
@@ -543,6 +578,102 @@
#define SDIDAT_HBE (*(volatile unsigned short *)0x5A000041) /* 16 */
#define SDIDAT_BBE (*(volatile unsigned char *)0x5A000043) /* 8 */
+/* SDI register bit definitions. S3C2440 is a superset of S3C2410 */
+
+#define S3C2440_SDICON_SDRESET (1<<8)
+#define S3C2440_SDICON_MMCCLOCK (1<<5)
+#define S3C2410_SDICON_BYTEORDER (1<<4)
+#define S3C2410_SDICON_SDIOIRQ (1<<3)
+#define S3C2410_SDICON_RWAITEN (1<<2)
+#define S3C2410_SDICON_FIFORESET (1<<1)
+#define S3C2410_SDICON_CLOCKTYPE (1<<0)
+
+#define S3C2410_SDICMDCON_ABORT (1<<12)
+#define S3C2410_SDICMDCON_WITHDATA (1<<11)
+#define S3C2410_SDICMDCON_LONGRSP (1<<10)
+#define S3C2410_SDICMDCON_WAITRSP (1<<9)
+#define S3C2410_SDICMDCON_CMDSTART (1<<8)
+#define S3C2410_SDICMDCON_SENDERHOST (1<<6)
+#define S3C2410_SDICMDCON_INDEX (0x3f)
+
+#define S3C2410_SDICMDSTAT_CRCFAIL (1<<12)
+#define S3C2410_SDICMDSTAT_CMDSENT (1<<11)
+#define S3C2410_SDICMDSTAT_CMDTIMEOUT (1<<10)
+#define S3C2410_SDICMDSTAT_RSPFIN (1<<9)
+#define S3C2410_SDICMDSTAT_XFERING (1<<8)
+#define S3C2410_SDICMDSTAT_INDEX (0xff)
+
+#define S3C2440_SDIDCON_DS_BYTE (0<<22)
+#define S3C2440_SDIDCON_DS_HALFWORD (1<<22)
+#define S3C2440_SDIDCON_DS_WORD (2<<22)
+#define S3C2410_SDIDCON_IRQPERIOD (1<<21)
+#define S3C2410_SDIDCON_TXAFTERRESP (1<<20)
+#define S3C2410_SDIDCON_RXAFTERCMD (1<<19)
+#define S3C2410_SDIDCON_BUSYAFTERCMD (1<<18)
+#define S3C2410_SDIDCON_BLOCKMODE (1<<17)
+#define S3C2410_SDIDCON_WIDEBUS (1<<16)
+#define S3C2410_SDIDCON_DMAEN (1<<15)
+#define S3C2410_SDIDCON_STOP (0<<14)
+#define S3C2440_SDIDCON_DATSTART (1<<14)
+#define S3C2410_SDIDCON_DATMODE (3<<12)
+#define S3C2410_SDIDCON_BLKNUM (0xfff)
+
+/* constants for S3C2410_SDIDCON_DATMODE */
+#define S3C2410_SDIDCON_XFER_READY (0<<12)
+#define S3C2410_SDIDCON_XFER_CHKSTART (1<<12)
+#define S3C2410_SDIDCON_XFER_RXSTART (2<<12)
+#define S3C2410_SDIDCON_XFER_TXSTART (3<<12)
+
+#define S3C2410_SDIDCNT_BLKNUM_MASK (0xFFF)
+#define S3C2410_SDIDCNT_BLKNUM_SHIFT (12)
+
+#define S3C2410_SDIDSTA_RDYWAITREQ (1<<10)
+#define S3C2410_SDIDSTA_SDIOIRQDETECT (1<<9)
+#define S3C2410_SDIDSTA_FIFOFAIL (1<<8) /* reserved on 2440 */
+#define S3C2410_SDIDSTA_CRCFAIL (1<<7)
+#define S3C2410_SDIDSTA_RXCRCFAIL (1<<6)
+#define S3C2410_SDIDSTA_DATATIMEOUT (1<<5)
+#define S3C2410_SDIDSTA_XFERFINISH (1<<4)
+#define S3C2410_SDIDSTA_BUSYFINISH (1<<3)
+#define S3C2410_SDIDSTA_SBITERR (1<<2) /* reserved on 2410a/2440 */
+#define S3C2410_SDIDSTA_TXDATAON (1<<1)
+#define S3C2410_SDIDSTA_RXDATAON (1<<0)
+
+#define S3C2410_SDIDSTA_CLEAR_BITS ( S3C2410_SDIDSTA_BUSYFINISH | \
+ S3C2410_SDIDSTA_XFERFINISH | S3C2410_SDIDSTA_DATATIMEOUT | \
+ S3C2410_SDIDSTA_RXCRCFAIL | S3C2410_SDIDSTA_CRCFAIL | \
+ S3C2410_SDIDSTA_SDIOIRQDETECT | S3C2410_SDIDSTA_RDYWAITREQ )
+
+#define S3C2440_SDIFSTA_FIFORESET (1<<16)
+#define S3C2440_SDIFSTA_FIFOFAIL (3<<14) /* 3 is correct (2 bits) */
+#define S3C2410_SDIFSTA_TFDET (1<<13)
+#define S3C2410_SDIFSTA_RFDET (1<<12)
+#define S3C2410_SDIFSTA_TFHALF (1<<11)
+#define S3C2410_SDIFSTA_TFEMPTY (1<<10)
+#define S3C2410_SDIFSTA_RFLAST (1<<9)
+#define S3C2410_SDIFSTA_RFFULL (1<<8)
+#define S3C2410_SDIFSTA_RFHALF (1<<7)
+#define S3C2410_SDIFSTA_COUNTMASK (0x7f)
+
+#define S3C2410_SDIIMSK_RESPONSECRC (1<<17)
+#define S3C2410_SDIIMSK_CMDSENT (1<<16)
+#define S3C2410_SDIIMSK_CMDTIMEOUT (1<<15)
+#define S3C2410_SDIIMSK_RESPONSEND (1<<14)
+#define S3C2410_SDIIMSK_READWAIT (1<<13)
+#define S3C2410_SDIIMSK_SDIOIRQ (1<<12)
+#define S3C2410_SDIIMSK_FIFOFAIL (1<<11)
+#define S3C2410_SDIIMSK_CRCSTATUS (1<<10)
+#define S3C2410_SDIIMSK_DATACRC (1<<9)
+#define S3C2410_SDIIMSK_DATATIMEOUT (1<<8)
+#define S3C2410_SDIIMSK_DATAFINISH (1<<7)
+#define S3C2410_SDIIMSK_BUSYFINISH (1<<6)
+#define S3C2410_SDIIMSK_SBITERR (1<<5) /* reserved 2440/2410a */
+#define S3C2410_SDIIMSK_TXFIFOHALF (1<<4)
+#define S3C2410_SDIIMSK_TXFIFOEMPTY (1<<3)
+#define S3C2410_SDIIMSK_RXFIFOLAST (1<<2)
+#define S3C2410_SDIIMSK_RXFIFOFULL (1<<1)
+#define S3C2410_SDIIMSK_RXFIFOHALF (1<<0)
+
/* AC97 Audio-CODEC Interface */
#define AC_GLBCTRL (*(volatile unsigned long *)0x5B000000) /* AC97 global control register */