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MIPS: BCM63xx: Define internal registers offsets of the SPI controller

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BCM6338, BCM6348, BCM6358 and BCM6368 basically use the same SPI controller
though the internal registers are shuffled, which still allows a common
driver to drive that IP block.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: grant.likely@secretlab.ca
Cc: spi-devel-general@lists.sourceforge.net
Patchwork: https://patchwork.linux-mips.org/patch/3318/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Florian Fainelli 2012-07-04 16:58:35 +02:00 committed by Ralf Baechle
parent 15514e7838
commit 0f6db0d072
1 changed files with 119 additions and 0 deletions
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119
arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
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@ -973,4 +973,123 @@
#define M2M_SRCID_REG(x) ((x) * 0x40 + 0x14)
#define M2M_DSTID_REG(x) ((x) * 0x40 + 0x18)
/*************************************************************************
* _REG relative to RSET_SPI
*************************************************************************/
/* BCM 6338 SPI core */
#define SPI_6338_CMD 0x00 /* 16-bits register */
#define SPI_6338_INT_STATUS 0x02
#define SPI_6338_INT_MASK_ST 0x03
#define SPI_6338_INT_MASK 0x04
#define SPI_6338_ST 0x05
#define SPI_6338_CLK_CFG 0x06
#define SPI_6338_FILL_BYTE 0x07
#define SPI_6338_MSG_TAIL 0x09
#define SPI_6338_RX_TAIL 0x0b
#define SPI_6338_MSG_CTL 0x40
#define SPI_6338_MSG_DATA 0x41
#define SPI_6338_MSG_DATA_SIZE 0x3f
#define SPI_6338_RX_DATA 0x80
#define SPI_6338_RX_DATA_SIZE 0x3f
/* BCM 6348 SPI core */
#define SPI_6348_CMD 0x00 /* 16-bits register */
#define SPI_6348_INT_STATUS 0x02
#define SPI_6348_INT_MASK_ST 0x03
#define SPI_6348_INT_MASK 0x04
#define SPI_6348_ST 0x05
#define SPI_6348_CLK_CFG 0x06
#define SPI_6348_FILL_BYTE 0x07
#define SPI_6348_MSG_TAIL 0x09
#define SPI_6348_RX_TAIL 0x0b
#define SPI_6348_MSG_CTL 0x40
#define SPI_6348_MSG_DATA 0x41
#define SPI_6348_MSG_DATA_SIZE 0x3f
#define SPI_6348_RX_DATA 0x80
#define SPI_6348_RX_DATA_SIZE 0x3f
/* BCM 6358 SPI core */
#define SPI_6358_MSG_CTL 0x00 /* 16-bits register */
#define SPI_6358_MSG_DATA 0x02
#define SPI_6358_MSG_DATA_SIZE 0x21e
#define SPI_6358_RX_DATA 0x400
#define SPI_6358_RX_DATA_SIZE 0x220
#define SPI_6358_CMD 0x700 /* 16-bits register */
#define SPI_6358_INT_STATUS 0x702
#define SPI_6358_INT_MASK_ST 0x703
#define SPI_6358_INT_MASK 0x704
#define SPI_6358_ST 0x705
#define SPI_6358_CLK_CFG 0x706
#define SPI_6358_FILL_BYTE 0x707
#define SPI_6358_MSG_TAIL 0x709
#define SPI_6358_RX_TAIL 0x70B
/* BCM 6358 SPI core */
#define SPI_6368_MSG_CTL 0x00 /* 16-bits register */
#define SPI_6368_MSG_DATA 0x02
#define SPI_6368_MSG_DATA_SIZE 0x21e
#define SPI_6368_RX_DATA 0x400
#define SPI_6368_RX_DATA_SIZE 0x220
#define SPI_6368_CMD 0x700 /* 16-bits register */
#define SPI_6368_INT_STATUS 0x702
#define SPI_6368_INT_MASK_ST 0x703
#define SPI_6368_INT_MASK 0x704
#define SPI_6368_ST 0x705
#define SPI_6368_CLK_CFG 0x706
#define SPI_6368_FILL_BYTE 0x707
#define SPI_6368_MSG_TAIL 0x709
#define SPI_6368_RX_TAIL 0x70B
/* Shared SPI definitions */
/* Message configuration */
#define SPI_FD_RW 0x00
#define SPI_HD_W 0x01
#define SPI_HD_R 0x02
#define SPI_BYTE_CNT_SHIFT 0
#define SPI_MSG_TYPE_SHIFT 14
/* Command */
#define SPI_CMD_NOOP 0x00
#define SPI_CMD_SOFT_RESET 0x01
#define SPI_CMD_HARD_RESET 0x02
#define SPI_CMD_START_IMMEDIATE 0x03
#define SPI_CMD_COMMAND_SHIFT 0
#define SPI_CMD_COMMAND_MASK 0x000f
#define SPI_CMD_DEVICE_ID_SHIFT 4
#define SPI_CMD_PREPEND_BYTE_CNT_SHIFT 8
#define SPI_CMD_ONE_BYTE_SHIFT 11
#define SPI_CMD_ONE_WIRE_SHIFT 12
#define SPI_DEV_ID_0 0
#define SPI_DEV_ID_1 1
#define SPI_DEV_ID_2 2
#define SPI_DEV_ID_3 3
/* Interrupt mask */
#define SPI_INTR_CMD_DONE 0x01
#define SPI_INTR_RX_OVERFLOW 0x02
#define SPI_INTR_TX_UNDERFLOW 0x04
#define SPI_INTR_TX_OVERFLOW 0x08
#define SPI_INTR_RX_UNDERFLOW 0x10
#define SPI_INTR_CLEAR_ALL 0x1f
/* Status */
#define SPI_RX_EMPTY 0x02
#define SPI_CMD_BUSY 0x04
#define SPI_SERIAL_BUSY 0x08
/* Clock configuration */
#define SPI_CLK_20MHZ 0x00
#define SPI_CLK_0_391MHZ 0x01
#define SPI_CLK_0_781MHZ 0x02 /* default */
#define SPI_CLK_1_563MHZ 0x03
#define SPI_CLK_3_125MHZ 0x04
#define SPI_CLK_6_250MHZ 0x05
#define SPI_CLK_12_50MHZ 0x06
#define SPI_CLK_MASK 0x07
#define SPI_SSOFFTIME_MASK 0x38
#define SPI_SSOFFTIME_SHIFT 3
#define SPI_BYTE_SWAP 0x80
#endif /* BCM63XX_REGS_H_ */