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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-06-19 12:53:59 +0200 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-06-19 12:53:59 +0200 |
| commit | 69f14dc2fd64307f012381dd333a06001dec75dc (patch) | |
| tree | 1c520dfb9afd8406230a5382ebaf57b0b8cd6c5d /drivers/serial | |
| parent | 847e6693ccb529bf8346db62876f38f0c4e04ade (diff) | |
| parent | ed7bdc03eb516fb698ccc12ec5b4b9f132d05c5f (diff) | |
| download | u-boot-imx-69f14dc2fd64307f012381dd333a06001dec75dc.zip u-boot-imx-69f14dc2fd64307f012381dd333a06001dec75dc.tar.gz u-boot-imx-69f14dc2fd64307f012381dd333a06001dec75dc.tar.bz2 | |
Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'
Conflicts:
spl/Makefile
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_s5p.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index 3c41242..e65125c 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -30,6 +30,10 @@ DECLARE_GLOBAL_DATA_PTR; +#define RX_FIFO_COUNT_MASK 0xff +#define RX_FIFO_FULL_MASK (1 << 8) +#define TX_FIFO_FULL_MASK (1 << 24) + static inline struct s5p_uart *s5p_get_base_uart(int dev_index) { u32 offset = dev_index * sizeof(struct s5p_uart); @@ -87,8 +91,8 @@ int serial_init_dev(const int dev_index) { struct s5p_uart *const uart = s5p_get_base_uart(dev_index); - /* reset and enable FIFOs, set triggers to the maximum */ - writel(0, &uart->ufcon); + /* enable FIFOs */ + writel(0x1, &uart->ufcon); writel(0, &uart->umcon); /* 8N1 */ writel(0x3, &uart->ulcon); @@ -130,7 +134,8 @@ int serial_getc_dev(const int dev_index) struct s5p_uart *const uart = s5p_get_base_uart(dev_index); /* wait for character to arrive */ - while (!(readl(&uart->utrstat) & 0x1)) { + while (!(readl(&uart->ufstat) & (RX_FIFO_COUNT_MASK | + RX_FIFO_FULL_MASK))) { if (serial_err_check(dev_index, 0)) return 0; } @@ -146,7 +151,7 @@ void serial_putc_dev(const char c, const int dev_index) struct s5p_uart *const uart = s5p_get_base_uart(dev_index); /* wait for room in the tx FIFO */ - while (!(readl(&uart->utrstat) & 0x2)) { + while ((readl(&uart->ufstat) & TX_FIFO_FULL_MASK)) { if (serial_err_check(dev_index, 1)) return; } |