diff options
author | Kursad Oney <kursad.oney@broadcom.com> | 2019-08-14 16:18:34 +0300 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2019-10-11 17:09:16 +0300 |
commit | 3ae64e8f256c864c546913730f82e2ffbcadc06e (patch) | |
tree | c935da005c2f721abd097000dabedbf9c9b043f8 /drivers/spi/bcm63xx_hsspi.c | |
parent | c50d670c56109c001875cd72930810b2ddfb29e6 (diff) | |
download | u-boot-3ae64e8f256c864c546913730f82e2ffbcadc06e.tar.xz |
spi: bcm63xx_hsspi: switch to raw I/O functions.
Make the driver compatible with both big and little endian SOCs.
Replace big-endian calls with their raw equivalents, expect for
writing the command to FIFO. That still has to be in big-endian
format.
Signed-off-by: Kursad Oney <kursad.oney@broadcom.com>
Reviewed-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Diffstat (limited to 'drivers/spi/bcm63xx_hsspi.c')
-rw-r--r-- | drivers/spi/bcm63xx_hsspi.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/spi/bcm63xx_hsspi.c b/drivers/spi/bcm63xx_hsspi.c index 4f527fa74a..730653118c 100644 --- a/drivers/spi/bcm63xx_hsspi.c +++ b/drivers/spi/bcm63xx_hsspi.c @@ -120,9 +120,9 @@ static int bcm63xx_hsspi_set_mode(struct udevice *bus, uint mode) /* clock polarity */ if (mode & SPI_CPOL) - setbits_be32(priv->regs + SPI_CTL_REG, SPI_CTL_CLK_POL_MASK); + setbits_32(priv->regs + SPI_CTL_REG, SPI_CTL_CLK_POL_MASK); else - clrbits_be32(priv->regs + SPI_CTL_REG, SPI_CTL_CLK_POL_MASK); + clrbits_32(priv->regs + SPI_CTL_REG, SPI_CTL_CLK_POL_MASK); return 0; } @@ -146,7 +146,7 @@ static void bcm63xx_hsspi_activate_cs(struct bcm63xx_hsspi_priv *priv, set = DIV_ROUND_UP(2048, set); set &= SPI_PFL_CLK_FREQ_MASK; set |= SPI_PFL_CLK_RSTLOOP_MASK; - writel_be(set, priv->regs + SPI_PFL_CLK_REG(plat->cs)); + writel(set, priv->regs + SPI_PFL_CLK_REG(plat->cs)); /* profile signal */ set = 0; @@ -164,7 +164,7 @@ static void bcm63xx_hsspi_activate_cs(struct bcm63xx_hsspi_priv *priv, if (priv->speed > SPI_MAX_SYNC_CLOCK) set |= SPI_PFL_SIG_ASYNCIN_MASK; - clrsetbits_be32(priv->regs + SPI_PFL_SIG_REG(plat->cs), clr, set); + clrsetbits_32(priv->regs + SPI_PFL_SIG_REG(plat->cs), clr, set); /* global control */ set = 0; @@ -182,13 +182,13 @@ static void bcm63xx_hsspi_activate_cs(struct bcm63xx_hsspi_priv *priv, else set |= BIT(!plat->cs); - clrsetbits_be32(priv->regs + SPI_CTL_REG, clr, set); + clrsetbits_32(priv->regs + SPI_CTL_REG, clr, set); } static void bcm63xx_hsspi_deactivate_cs(struct bcm63xx_hsspi_priv *priv) { /* restore cs polarities */ - clrsetbits_be32(priv->regs + SPI_CTL_REG, SPI_CTL_CS_POL_MASK, + clrsetbits_32(priv->regs + SPI_CTL_REG, SPI_CTL_CS_POL_MASK, priv->cs_pols); } @@ -247,7 +247,7 @@ static int bcm63xx_hsspi_xfer(struct udevice *dev, unsigned int bitlen, SPI_PFL_MODE_MDWRSZ_MASK; if (plat->mode & SPI_3WIRE) val |= SPI_PFL_MODE_3WIRE_MASK; - writel_be(val, priv->regs + SPI_PFL_MODE_REG(plat->cs)); + writel(val, priv->regs + SPI_PFL_MODE_REG(plat->cs)); /* transfer loop */ while (data_bytes > 0) { @@ -262,7 +262,7 @@ static int bcm63xx_hsspi_xfer(struct udevice *dev, unsigned int bitlen, } /* set fifo operation */ - writew_be(opcode | (curr_step & HSSPI_FIFO_OP_BYTES_MASK), + writew(cpu_to_be16(opcode | (curr_step & HSSPI_FIFO_OP_BYTES_MASK)), priv->regs + HSSPI_FIFO_OP_REG); /* issue the transfer */ @@ -271,10 +271,10 @@ static int bcm63xx_hsspi_xfer(struct udevice *dev, unsigned int bitlen, SPI_CMD_PFL_MASK; val |= (!plat->cs << SPI_CMD_SLAVE_SHIFT) & SPI_CMD_SLAVE_MASK; - writel_be(val, priv->regs + SPI_CMD_REG); + writel(val, priv->regs + SPI_CMD_REG); /* wait for completion */ - ret = wait_for_bit_be32(priv->regs + SPI_STAT_REG, + ret = wait_for_bit_32(priv->regs + SPI_STAT_REG, SPI_STAT_SRCBUSY_MASK, false, 1000, false); if (ret) { @@ -381,16 +381,16 @@ static int bcm63xx_hsspi_probe(struct udevice *dev) return ret; /* initialize hardware */ - writel_be(0, priv->regs + SPI_IR_MASK_REG); + writel(0, priv->regs + SPI_IR_MASK_REG); /* clear pending interrupts */ - writel_be(SPI_IR_CLEAR_ALL, priv->regs + SPI_IR_STAT_REG); + writel(SPI_IR_CLEAR_ALL, priv->regs + SPI_IR_STAT_REG); /* enable clk gate */ - setbits_be32(priv->regs + SPI_CTL_REG, SPI_CTL_CLK_GATE_MASK); + setbits_32(priv->regs + SPI_CTL_REG, SPI_CTL_CLK_GATE_MASK); /* read default cs polarities */ - priv->cs_pols = readl_be(priv->regs + SPI_CTL_REG) & + priv->cs_pols = readl(priv->regs + SPI_CTL_REG) & SPI_CTL_CS_POL_MASK; return 0; |