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serial: stm32: Fix bits defines name

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Rename USART_ISR_FLAG_xxx bits to USART_ISR_xxx bits and
USART_ICR_OREF to USART_ICR_ORECF in order to match datasheets.
Sort defines by descendant order.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Patrice Chotard 2018-05-17 14:50:43 +02:00 committed by Tom Rini
parent 215c8bed12
commit be1a6f775e
2 changed files with 10 additions and 10 deletions
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12
drivers/serial/serial_stm32.c
View file

@ -54,12 +54,12 @@ static int stm32_serial_getc(struct udevice *dev)
fdt_addr_t base = plat->base;
u32 isr = readl(base + ISR_OFFSET(stm32f4));
if ((isr & USART_ISR_FLAG_RXNE) == 0)
if ((isr & USART_ISR_RXNE) == 0)
return -EAGAIN;
if (isr & USART_ISR_FLAG_ORE) {
if (isr & (USART_ISR_ORE)) {
if (!stm32f4)
setbits_le32(base + ICR_OFFSET, USART_ICR_OREF);
setbits_le32(base + ICR_OFFSET, USART_ICR_ORECF);
else
readl(base + RDR_OFFSET(stm32f4));
return -EIO;
@ -74,7 +74,7 @@ static int _stm32_serial_putc(fdt_addr_t base,
{
bool stm32f4 = uart_info->stm32f4;
if ((readl(base + ISR_OFFSET(stm32f4)) & USART_ISR_FLAG_TXE) == 0)
if ((readl(base + ISR_OFFSET(stm32f4)) & USART_ISR_TXE) == 0)
return -EAGAIN;
writel(c, base + TDR_OFFSET(stm32f4));
@ -97,10 +97,10 @@ static int stm32_serial_pending(struct udevice *dev, bool input)
if (input)
return readl(base + ISR_OFFSET(stm32f4)) &
USART_ISR_FLAG_RXNE ? 1 : 0;
USART_ISR_RXNE ? 1 : 0;
else
return readl(base + ISR_OFFSET(stm32f4)) &
USART_ISR_FLAG_TXE ? 0 : 1;
USART_ISR_TXE ? 0 : 1;
}
static void _stm32_serial_init(fdt_addr_t base,

8
drivers/serial/serial_stm32.h
View file

@ -59,13 +59,13 @@ struct stm32x7_serial_platdata {
#define USART_CR3_OVRDIS BIT(12)
#define USART_ISR_FLAG_ORE BIT(3)
#define USART_ISR_FLAG_RXNE BIT(5)
#define USART_ISR_FLAG_TXE BIT(7)
#define USART_ISR_TXE BIT(7)
#define USART_ISR_RXNE BIT(5)
#define USART_ISR_ORE BIT(3)
#define USART_BRR_F_MASK GENMASK(7, 0)
#define USART_BRR_M_SHIFT 4
#define USART_BRR_M_MASK GENMASK(15, 4)
#define USART_ICR_OREF BIT(3)
#define USART_ICR_ORECF BIT(3)
#endif