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| author | Anup Patel <anup.patel@wdc.com> | 2021-04-21 18:03:50 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2021-04-28 16:58:23 +0530 |
| commit | 068ca086af2312d56efe51a724d78d84e1339ab4 (patch) | |
| tree | 0e90c1a9e7a03254ff5dcb33507c5c9a06f9de3e /lib/utils/serial/sifive-uart.c | |
| parent | a3689db92a0e83ef25c52887aa686e4527e35a22 (diff) | |
| download | opensbi-068ca086af2312d56efe51a724d78d84e1339ab4.zip opensbi-068ca086af2312d56efe51a724d78d84e1339ab4.tar.gz opensbi-068ca086af2312d56efe51a724d78d84e1339ab4.tar.bz2 | |
lib: sbi: Simplify console platform operations
Instead of having console_putc() and console_getc() callbacks in
platform operations, it will be much simpler for console driver to
directly register these operations as device to the sbi_console
implementation.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Diffstat (limited to 'lib/utils/serial/sifive-uart.c')
| -rw-r--r-- | lib/utils/serial/sifive-uart.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/utils/serial/sifive-uart.c b/lib/utils/serial/sifive-uart.c index 72c8a62..57d80fa 100644 --- a/lib/utils/serial/sifive-uart.c +++ b/lib/utils/serial/sifive-uart.c @@ -66,7 +66,7 @@ static void set_reg(u32 num, u32 val) writel(val, uart_base + (num * 0x4)); } -void sifive_uart_putc(char ch) +static void sifive_uart_putc(char ch) { while (get_reg(UART_REG_TXFIFO) & UART_TXFIFO_FULL) ; @@ -74,7 +74,7 @@ void sifive_uart_putc(char ch) set_reg(UART_REG_TXFIFO, ch); } -int sifive_uart_getc(void) +static int sifive_uart_getc(void) { u32 ret = get_reg(UART_REG_RXFIFO); if (!(ret & UART_RXFIFO_EMPTY)) @@ -82,6 +82,12 @@ int sifive_uart_getc(void) return -1; } +static struct sbi_console_device sifive_console = { + .name = "sifive_uart", + .console_putc = sifive_uart_putc, + .console_getc = sifive_uart_getc +}; + int sifive_uart_init(unsigned long base, u32 in_freq, u32 baudrate) { uart_base = (volatile void *)base; @@ -98,5 +104,7 @@ int sifive_uart_init(unsigned long base, u32 in_freq, u32 baudrate) /* Enable Rx */ set_reg(UART_REG_RXCTRL, UART_RXCTRL_RXEN); + sbi_console_set_device(&sifive_console); + return 0; } |