Signed-off-by: Álvaro Fernández Rojas noltari@gmail.com --- v2: introduce changes suggested by Daniel Schwierzeck: - Use readl/writel instead of __raw_readl/__raw_writel. - Remove DM_FLAG_PRE_RELOC.
drivers/serial/serial_bcm6345.c | 99 ++++++++++++++++++++--------------------- 1 file changed, 49 insertions(+), 50 deletions(-)
diff --git a/drivers/serial/serial_bcm6345.c b/drivers/serial/serial_bcm6345.c index a0e709a11e..9ad8c770d5 100644 --- a/drivers/serial/serial_bcm6345.c +++ b/drivers/serial/serial_bcm6345.c @@ -89,26 +89,26 @@ struct bcm6345_serial_priv { /* enable rx & tx operation on uart */ static void bcm6345_serial_enable(void __iomem *base) { - setbits_be32(base + UART_CTL_REG, UART_CTL_BRGEN_MASK | - UART_CTL_TXEN_MASK | UART_CTL_RXEN_MASK); + setbits_32(base + UART_CTL_REG, UART_CTL_BRGEN_MASK | + UART_CTL_TXEN_MASK | UART_CTL_RXEN_MASK); }
/* disable rx & tx operation on uart */ static void bcm6345_serial_disable(void __iomem *base) { - clrbits_be32(base + UART_CTL_REG, UART_CTL_BRGEN_MASK | - UART_CTL_TXEN_MASK | UART_CTL_RXEN_MASK); + clrbits_32(base + UART_CTL_REG, UART_CTL_BRGEN_MASK | + UART_CTL_TXEN_MASK | UART_CTL_RXEN_MASK); }
/* clear all unread data in rx fifo and unsent data in tx fifo */ static void bcm6345_serial_flush(void __iomem *base) { /* empty rx and tx fifo */ - setbits_be32(base + UART_CTL_REG, UART_CTL_RSTRXFIFO_MASK | - UART_CTL_RSTTXFIFO_MASK); + setbits_32(base + UART_CTL_REG, UART_CTL_RSTRXFIFO_MASK | + UART_CTL_RSTTXFIFO_MASK);
/* read any pending char to make sure all irq status are cleared */ - readl_be(base + UART_FIFO_REG); + readl(base + UART_FIFO_REG); }
static int bcm6345_serial_init(void __iomem *base, ulong clk, u32 baudrate) @@ -120,40 +120,40 @@ static int bcm6345_serial_init(void __iomem *base, ulong clk, u32 baudrate) bcm6345_serial_flush(base);
/* set uart control config */ - clrsetbits_be32(base + UART_CTL_REG, - /* clear rx timeout */ - UART_CTL_RXTIMEOUT_MASK | - /* clear stop bits */ - UART_CTL_STOPBITS_MASK | - /* clear bits per symbol */ - UART_CTL_BITSPERSYM_MASK | - /* clear xmit break */ - UART_CTL_XMITBRK_MASK | - /* clear reserved bit */ - UART_CTL_RSVD_MASK | - /* disable parity */ - UART_CTL_RXPAREN_MASK | - UART_CTL_TXPAREN_MASK | - /* disable loopback */ - UART_CTL_LOOPBACK_MASK, - /* set timeout to 5 */ - UART_CTL_RXTIMEOUT_5 | - /* set 8 bits/symbol */ - UART_CTL_BITSPERSYM_8 | - /* set 1 stop bit */ - UART_CTL_STOPBITS_1 | - /* set parity to even */ - UART_CTL_RXPAREVEN_MASK | - UART_CTL_TXPAREVEN_MASK); + clrsetbits_32(base + UART_CTL_REG, + /* clear rx timeout */ + UART_CTL_RXTIMEOUT_MASK | + /* clear stop bits */ + UART_CTL_STOPBITS_MASK | + /* clear bits per symbol */ + UART_CTL_BITSPERSYM_MASK | + /* clear xmit break */ + UART_CTL_XMITBRK_MASK | + /* clear reserved bit */ + UART_CTL_RSVD_MASK | + /* disable parity */ + UART_CTL_RXPAREN_MASK | + UART_CTL_TXPAREN_MASK | + /* disable loopback */ + UART_CTL_LOOPBACK_MASK, + /* set timeout to 5 */ + UART_CTL_RXTIMEOUT_5 | + /* set 8 bits/symbol */ + UART_CTL_BITSPERSYM_8 | + /* set 1 stop bit */ + UART_CTL_STOPBITS_1 | + /* set parity to even */ + UART_CTL_RXPAREVEN_MASK | + UART_CTL_TXPAREVEN_MASK);
/* set uart fifo config */ - clrsetbits_be32(base + UART_FIFO_CFG_REG, - /* clear fifo config */ - UART_FIFO_CFG_RX_MASK | - UART_FIFO_CFG_TX_MASK, - /* set fifo config to 4 */ - UART_FIFO_CFG_RX_4 | - UART_FIFO_CFG_TX_4); + clrsetbits_32(base + UART_FIFO_CFG_REG, + /* clear fifo config */ + UART_FIFO_CFG_RX_MASK | + UART_FIFO_CFG_TX_MASK, + /* set fifo config to 4 */ + UART_FIFO_CFG_RX_4 | + UART_FIFO_CFG_TX_4);
/* set baud rate */ val = ((clk / baudrate) >> 4); @@ -161,10 +161,10 @@ static int bcm6345_serial_init(void __iomem *base, ulong clk, u32 baudrate) val = (val >> 1); else val = (val >> 1) - 1; - writel_be(val, base + UART_BAUD_REG); + writel(val, base + UART_BAUD_REG);
/* clear interrupts */ - writel_be(0, base + UART_IR_REG); + writel(0, base + UART_IR_REG);
/* enable uart */ bcm6345_serial_enable(base); @@ -175,7 +175,7 @@ static int bcm6345_serial_init(void __iomem *base, ulong clk, u32 baudrate) static int bcm6345_serial_pending(struct udevice *dev, bool input) { struct bcm6345_serial_priv *priv = dev_get_priv(dev); - u32 val = readl_be(priv->base + UART_IR_REG); + u32 val = readl(priv->base + UART_IR_REG);
if (input) return !!(val & UART_IR_STAT(UART_IR_RXNOTEMPTY)); @@ -195,11 +195,11 @@ static int bcm6345_serial_putc(struct udevice *dev, const char ch) struct bcm6345_serial_priv *priv = dev_get_priv(dev); u32 val;
- val = readl_be(priv->base + UART_IR_REG); + val = readl(priv->base + UART_IR_REG); if (!(val & UART_IR_STAT(UART_IR_TXEMPTY))) return -EAGAIN;
- writel_be(ch, priv->base + UART_FIFO_REG); + writel(ch, priv->base + UART_FIFO_REG);
return 0; } @@ -209,14 +209,13 @@ static int bcm6345_serial_getc(struct udevice *dev) struct bcm6345_serial_priv *priv = dev_get_priv(dev); u32 val;
- val = readl_be(priv->base + UART_IR_REG); + val = readl(priv->base + UART_IR_REG); if (val & UART_IR_STAT(UART_IR_RXOVER)) - setbits_be32(priv->base + UART_CTL_REG, - UART_CTL_RSTRXFIFO_MASK); + setbits_32(priv->base + UART_CTL_REG, UART_CTL_RSTRXFIFO_MASK); if (!(val & UART_IR_STAT(UART_IR_RXNOTEMPTY))) return -EAGAIN;
- val = readl_be(priv->base + UART_FIFO_REG); + val = readl(priv->base + UART_FIFO_REG); if (val & UART_FIFO_ANYERR_MASK) return -EAGAIN;
@@ -277,7 +276,7 @@ static inline void _debug_uart_init(void) static inline void wait_xfered(void __iomem *base) { do { - u32 val = readl_be(base + UART_IR_REG); + u32 val = readl(base + UART_IR_REG); if (val & UART_IR_STAT(UART_IR_TXEMPTY)) break; } while (1); @@ -288,7 +287,7 @@ static inline void _debug_uart_putc(int ch) void __iomem *base = (void __iomem *)CONFIG_DEBUG_UART_BASE;
wait_xfered(base); - writel_be(ch, base + UART_FIFO_REG); + writel(ch, base + UART_FIFO_REG); wait_xfered(base); }