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lib: sbi: Simplify console platform operations

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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>
This commit is contained in:
Anup Patel
2021-04-21 18:03:50 +05:30
committed by Anup Patel
parent a3689db92a
commit 068ca086af
25 changed files with 96 additions and 134 deletions
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12
lib/utils/serial/sifive-uart.c
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@@ -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;
}