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kendryte/k210: Use sifive UART driver

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The Kendryte K210 UARTHS is compatible with SiFive UART. So use the
sifive uart driver and remove the k210 uarths platform code.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Damien Le Moal
2019-09-04 13:27:27 +09:00
committed by Anup Patel
parent 6ed2bc154f
commit fca8c3be01
4 changed files with 9 additions and 253 deletions
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25
platform/kendryte/k210/platform.c
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@@ -14,26 +14,17 @@
#include <sbi/sbi_console.h>
#include <sbi_utils/irqchip/plic.h>
#include <sbi_utils/sys/clint.h>
#include <sbi_utils/serial/sifive-uart.h>
#include "platform.h"
#include "uarths.h"
#include "sysctl.h"
#define K210_UART_BAUDRATE 115200
#define K210_UART_BASE_ADDR 0x38000000U
#define K210_UART_BAUDRATE 115200
static int k210_console_init(void)
{
uarths_init(K210_UART_BAUDRATE, UARTHS_STOP_1);
return 0;
}
static void k210_console_putc(char c)
{
uarths_putc(c);
}
static int k210_console_getc(void)
{
return uarths_getc();
return sifive_uart_init(K210_UART_BASE_ADDR,
sysctl_get_cpu_freq(), K210_UART_BAUDRATE);
}
static int k210_irqchip_init(bool cold_boot)
@@ -95,8 +86,8 @@ static int k210_system_shutdown(u32 type)
const struct sbi_platform_operations platform_ops = {
.console_init = k210_console_init,
.console_putc = k210_console_putc,
.console_getc = k210_console_getc,
.console_putc = sifive_uart_putc,
.console_getc = sifive_uart_getc,
.irqchip_init = k210_irqchip_init,