From: Kursad Oney <kursad.oney@broadcom.com>
Date: Wed, 14 Aug 2019 13:18:34 +0000 (+0200)
Subject: spi: bcm63xx_hsspi: switch to raw I/O functions.
X-Git-Tag: v2020.01-rc1~28^2~28
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3ae64e8f256c864c546913730f82e2ffbcadc06e;p=oweals%2Fu-boot.git

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>
---

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;