diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.3/016-spi-bcm63xx-fix-bcm6348-38.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.3/016-spi-bcm63xx-fix-bcm6348-38.patch | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.3/016-spi-bcm63xx-fix-bcm6348-38.patch b/target/linux/brcm63xx/patches-3.3/016-spi-bcm63xx-fix-bcm6348-38.patch new file mode 100644 index 000000000..ce532571d --- /dev/null +++ b/target/linux/brcm63xx/patches-3.3/016-spi-bcm63xx-fix-bcm6348-38.patch @@ -0,0 +1,128 @@ +--- a/arch/mips/bcm63xx/dev-spi.c ++++ b/arch/mips/bcm63xx/dev-spi.c +@@ -106,11 +106,15 @@ int __init bcm63xx_spi_register(void) + if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) { + spi_resources[0].end += BCM_6338_RSET_SPI_SIZE - 1; + spi_pdata.fifo_size = SPI_6338_MSG_DATA_SIZE; ++ spi_pdata.msg_type_shift = SPI_6338_MSG_TYPE_SHIFT; ++ spi_pdata.msg_ctl_width = SPI_6338_MSG_CTL_WIDTH; + } + + if (BCMCPU_IS_6358() || BCMCPU_IS_6368()) { + spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1; + spi_pdata.fifo_size = SPI_6358_MSG_DATA_SIZE; ++ spi_pdata.msg_type_shift = SPI_6358_MSG_TYPE_SHIFT; ++ spi_pdata.msg_ctl_width = SPI_6358_MSG_CTL_WIDTH; + } + + bcm63xx_spi_regs_init(); +--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h +@@ -9,6 +9,8 @@ int __init bcm63xx_spi_register(void); + + struct bcm63xx_spi_pdata { + unsigned int fifo_size; ++ unsigned int msg_type_shift; ++ unsigned int msg_ctl_width; + int bus_num; + int num_chipselect; + u32 speed_hz; +--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +@@ -987,7 +987,8 @@ + #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_CTL 0x40 /* 8-bits register */ ++#define SPI_6338_MSG_CTL_WIDTH 8 + #define SPI_6338_MSG_DATA 0x41 + #define SPI_6338_MSG_DATA_SIZE 0x3f + #define SPI_6338_RX_DATA 0x80 +@@ -1003,7 +1004,8 @@ + #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_CTL 0x40 /* 8-bits register */ ++#define SPI_6348_MSG_CTL_WIDTH 8 + #define SPI_6348_MSG_DATA 0x41 + #define SPI_6348_MSG_DATA_SIZE 0x3f + #define SPI_6348_RX_DATA 0x80 +@@ -1011,6 +1013,7 @@ + + /* BCM 6358 SPI core */ + #define SPI_6358_MSG_CTL 0x00 /* 16-bits register */ ++#define SPI_6358_MSG_CTL_WIDTH 16 + #define SPI_6358_MSG_DATA 0x02 + #define SPI_6358_MSG_DATA_SIZE 0x21e + #define SPI_6358_RX_DATA 0x400 +@@ -1027,6 +1030,7 @@ + + /* BCM 6358 SPI core */ + #define SPI_6368_MSG_CTL 0x00 /* 16-bits register */ ++#define SPI_6368_MSG_CTL_WIDTH 16 + #define SPI_6368_MSG_DATA 0x02 + #define SPI_6368_MSG_DATA_SIZE 0x21e + #define SPI_6368_RX_DATA 0x400 +@@ -1048,7 +1052,10 @@ + #define SPI_HD_W 0x01 + #define SPI_HD_R 0x02 + #define SPI_BYTE_CNT_SHIFT 0 +-#define SPI_MSG_TYPE_SHIFT 14 ++#define SPI_6338_MSG_TYPE_SHIFT 6 ++#define SPI_6348_MSG_TYPE_SHIFT 6 ++#define SPI_6358_MSG_TYPE_SHIFT 14 ++#define SPI_6368_MSG_TYPE_SHIFT 14 + + /* Command */ + #define SPI_CMD_NOOP 0x00 +--- a/drivers/spi/spi-bcm63xx.c ++++ b/drivers/spi/spi-bcm63xx.c +@@ -47,6 +47,8 @@ struct bcm63xx_spi { + /* Platform data */ + u32 speed_hz; + unsigned fifo_size; ++ unsigned int msg_type_shift; ++ unsigned int msg_ctl_width; + + /* Data buffers */ + const unsigned char *tx_ptr; +@@ -221,13 +223,24 @@ static unsigned int bcm63xx_txrx_bufs(st + msg_ctl = (t->len << SPI_BYTE_CNT_SHIFT); + + if (t->rx_buf && t->tx_buf) +- msg_ctl |= (SPI_FD_RW << SPI_MSG_TYPE_SHIFT); ++ msg_ctl |= (SPI_FD_RW << bs->msg_type_shift); + else if (t->rx_buf) +- msg_ctl |= (SPI_HD_R << SPI_MSG_TYPE_SHIFT); ++ msg_ctl |= (SPI_HD_R << bs->msg_type_shift); + else if (t->tx_buf) +- msg_ctl |= (SPI_HD_W << SPI_MSG_TYPE_SHIFT); ++ msg_ctl |= (SPI_HD_W << bs->msg_type_shift); + +- bcm_spi_writew(bs, msg_ctl, SPI_MSG_CTL); ++ switch (bs->msg_ctl_width) { ++ case 8: ++ bcm_spi_writeb(bs, msg_ctl, SPI_MSG_CTL); ++ break; ++ case 16: ++ bcm_spi_writew(bs, msg_ctl, SPI_MSG_CTL); ++ break; ++ default: ++ dev_err(&spi->dev, "unknown MSG_CTL width: %d\n", ++ bs->msg_ctl_width); ++ return 0; ++ } + + /* Issue the transfer */ + cmd = SPI_CMD_START_IMMEDIATE; +@@ -406,6 +419,8 @@ static int __devinit bcm63xx_spi_probe(s + master->transfer_one_message = bcm63xx_spi_transfer_one; + master->mode_bits = MODEBITS; + bs->speed_hz = pdata->speed_hz; ++ bs->msg_type_shift = pdata->msg_type_shift; ++ bs->msg_ctl_width = pdata->msg_ctl_width; + bs->tx_io = (u8 *)(bs->regs + bcm63xx_spireg(SPI_MSG_DATA)); + bs->rx_io = (const u8 *)(bs->regs + bcm63xx_spireg(SPI_RX_DATA)); + |