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-rw-r--r--src/cpu/samsung/exynos5250/uart.c50
-rw-r--r--src/cpu/samsung/exynos5420/uart.c44
-rw-r--r--src/cpu/ti/am335x/uart.c30
-rw-r--r--src/drivers/uart/pl011.c13
-rw-r--r--src/include/console/uart.h7
5 files changed, 74 insertions, 70 deletions
diff --git a/src/cpu/samsung/exynos5250/uart.c b/src/cpu/samsung/exynos5250/uart.c
index 14d140c4dc..860d020a92 100644
--- a/src/cpu/samsung/exynos5250/uart.c
+++ b/src/cpu/samsung/exynos5250/uart.c
@@ -28,9 +28,6 @@
#define RX_FIFO_FULL_MASK (1 << 8)
#define TX_FIFO_FULL_MASK (1 << 24)
-/* FIXME(dhendrix): exynos5 has 4 UARTs and its functions in u-boot take a
- base_port argument. However console_driver functions do not. */
-static uint32_t base_port = CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
/*
* The coefficient, used to calculate the baudrate on S5P UARTs is
@@ -58,9 +55,8 @@ static const int udivslot[] = {
0xffdf,
};
-static void serial_setbrg_dev(void)
+static void serial_setbrg_dev(struct s5p_uart *uart)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
u32 uclk;
u32 val;
@@ -87,10 +83,8 @@ static void serial_setbrg_dev(void)
* Initialise the serial port with the given baudrate. The settings
* are always 8 data bits, no parity, 1 stop bit, no start bits.
*/
-static void exynos5_init_dev(void)
+static void exynos5_init_dev(struct s5p_uart *uart)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
-
// TODO initialize with correct peripheral id by base_port.
exynos_pinmux_uart3();
@@ -102,12 +96,11 @@ static void exynos5_init_dev(void)
/* No interrupts, no DMA, pure polling */
writel(0x245, &uart->ucon);
- serial_setbrg_dev();
+ serial_setbrg_dev(uart);
}
-static int exynos5_uart_err_check(int op)
+static int exynos5_uart_err_check(struct s5p_uart *uart, int op)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
unsigned int mask;
/*
@@ -130,14 +123,12 @@ static int exynos5_uart_err_check(int op)
* otherwise. When the function is successful, the character read is
* written into its argument c.
*/
-static unsigned char exynos5_uart_rx_byte(void)
+static unsigned char exynos5_uart_rx_byte(struct s5p_uart *uart)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
-
/* wait for character to arrive */
while (!(readl(&uart->ufstat) & (RX_FIFO_COUNT_MASK |
RX_FIFO_FULL_MASK))) {
- if (exynos5_uart_err_check(0))
+ if (exynos5_uart_err_check(uart, 0))
return 0;
}
@@ -147,49 +138,54 @@ static unsigned char exynos5_uart_rx_byte(void)
/*
* Output a single byte to the serial port.
*/
-static void exynos5_uart_tx_byte(unsigned char data)
+static void exynos5_uart_tx_byte(struct s5p_uart *uart, unsigned char data)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
-
/* wait for room in the tx FIFO */
while ((readl(&uart->ufstat) & TX_FIFO_FULL_MASK)) {
- if (exynos5_uart_err_check(1))
+ if (exynos5_uart_err_check(uart, 1))
return;
}
writeb(data, &uart->utxh);
}
-static void exynos5_uart_tx_flush(void)
+static void exynos5_uart_tx_flush(struct s5p_uart *uart)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
-
while (readl(&uart->ufstat) & 0x1ff0000);
}
+unsigned int uart_platform_base(int idx)
+{
+ return CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
+}
+
#if !defined(__PRE_RAM__)
uint32_t uartmem_getbaseaddr(void)
{
- return base_port;
+ return uart_platform_base(0);
}
#endif
void uart_init(void)
{
- exynos5_init_dev();
+ struct s5p_uart *uart = uart_platform_baseptr(0);
+ exynos5_init_dev(uart);
}
unsigned char uart_rx_byte(void)
{
- return exynos5_uart_rx_byte();
+ struct s5p_uart *uart = uart_platform_baseptr(0);
+ return exynos5_uart_rx_byte(uart);
}
void uart_tx_byte(unsigned char data)
{
- exynos5_uart_tx_byte(data);
+ struct s5p_uart *uart = uart_platform_baseptr(0);
+ exynos5_uart_tx_byte(uart, data);
}
void uart_tx_flush(void)
{
- exynos5_uart_tx_flush();
+ struct s5p_uart *uart = uart_platform_baseptr(0);
+ exynos5_uart_tx_flush(uart);
}
diff --git a/src/cpu/samsung/exynos5420/uart.c b/src/cpu/samsung/exynos5420/uart.c
index d05adcd903..82b1265972 100644
--- a/src/cpu/samsung/exynos5420/uart.c
+++ b/src/cpu/samsung/exynos5420/uart.c
@@ -28,9 +28,6 @@
#define RX_FIFO_FULL_MASK (1 << 8)
#define TX_FIFO_FULL_MASK (1 << 24)
-/* FIXME(dhendrix): exynos5 has 4 UARTs and its functions in u-boot take a
- base_port argument. However console_driver functions do not. */
-static uint32_t base_port = CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
/*
* The coefficient, used to calculate the baudrate on S5P UARTs is
@@ -58,9 +55,8 @@ static const int udivslot[] = {
0xffdf,
};
-static void serial_setbrg_dev(void)
+static void serial_setbrg_dev(struct s5p_uart *uart)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
u32 uclk;
u32 val;
@@ -87,10 +83,8 @@ static void serial_setbrg_dev(void)
* Initialise the serial port with the given baudrate. The settings
* are always 8 data bits, no parity, 1 stop bit, no start bits.
*/
-static void exynos5_init_dev(void)
+static void exynos5_init_dev(struct s5p_uart *uart)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
-
/* enable FIFOs */
writel(0x1, &uart->ufcon);
writel(0, &uart->umcon);
@@ -99,12 +93,11 @@ static void exynos5_init_dev(void)
/* No interrupts, no DMA, pure polling */
writel(0x245, &uart->ucon);
- serial_setbrg_dev();
+ serial_setbrg_dev(uart);
}
-static int exynos5_uart_err_check(int op)
+static int exynos5_uart_err_check(struct s5p_uart *uart, int op)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
unsigned int mask;
/*
@@ -127,14 +120,12 @@ static int exynos5_uart_err_check(int op)
* otherwise. When the function is succesfull, the character read is
* written into its argument c.
*/
-static unsigned char exynos5_uart_rx_byte(void)
+static unsigned char exynos5_uart_rx_byte(struct s5p_uart *uart)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
-
/* wait for character to arrive */
while (!(readl(&uart->ufstat) & (RX_FIFO_COUNT_MASK |
RX_FIFO_FULL_MASK))) {
- if (exynos5_uart_err_check(0))
+ if (exynos5_uart_err_check(uart, 0))
return 0;
}
@@ -144,41 +135,48 @@ static unsigned char exynos5_uart_rx_byte(void)
/*
* Output a single byte to the serial port.
*/
-static void exynos5_uart_tx_byte(unsigned char data)
+static void exynos5_uart_tx_byte(struct s5p_uart *uart, unsigned char data)
{
- struct s5p_uart *uart = (struct s5p_uart *)base_port;
-
/* wait for room in the tx FIFO */
while ((readl(&uart->ufstat) & TX_FIFO_FULL_MASK)) {
- if (exynos5_uart_err_check(1))
+ if (exynos5_uart_err_check(uart, 1))
return;
}
writeb(data, &uart->utxh);
}
+unsigned int uart_platform_base(int idx)
+{
+ return CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
+}
+
#if !defined(__PRE_RAM__)
uint32_t uartmem_getbaseaddr(void)
{
- return base_port;
+ return uart_platform_base(0);
}
#endif
void uart_init(void)
{
- exynos5_init_dev();
+ struct s5p_uart *uart = uart_platform_baseptr(0);
+ exynos5_init_dev(uart);
}
unsigned char uart_rx_byte(void)
{
- return exynos5_uart_rx_byte();
+ struct s5p_uart *uart = uart_platform_baseptr(0);
+ return exynos5_uart_rx_byte(uart);
}
void uart_tx_byte(unsigned char data)
{
- exynos5_uart_tx_byte(data);
+ struct s5p_uart *uart = uart_platform_baseptr(0);
+ exynos5_uart_tx_byte(uart, data);
}
void uart_tx_flush(void)
{
+ /* Exynos5250 implements this too. */
}
diff --git a/src/cpu/ti/am335x/uart.c b/src/cpu/ti/am335x/uart.c
index 27051ea2cc..09bb96ece3 100644
--- a/src/cpu/ti/am335x/uart.c
+++ b/src/cpu/ti/am335x/uart.c
@@ -35,10 +35,8 @@
* Initialise the serial port with the given baudrate divisor. The settings
* are always 8 data bits, no parity, 1 stop bit, no start bits.
*/
-static void am335x_uart_init(uint16_t div)
+static void am335x_uart_init(struct am335x_uart *uart, uint16_t div)
{
- struct am335x_uart *uart = (struct am335x_uart *)
- CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
uint16_t lcr_orig, efr_orig, mcr_orig;
/* reset the UART */
@@ -131,11 +129,8 @@ static void am335x_uart_init(uint16_t div)
* otherwise. When the function is successful, the character read is
* written into its argument c.
*/
-static unsigned char am335x_uart_rx_byte(void)
+static unsigned char am335x_uart_rx_byte(struct am335x_uart *uart)
{
- struct am335x_uart *uart =
- (struct am335x_uart *)CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
-
while (!(read16(&uart->lsr) & LSR_RXFIFOE));
return read8(&uart->rhr);
@@ -144,11 +139,8 @@ static unsigned char am335x_uart_rx_byte(void)
/*
* Output a single byte to the serial port.
*/
-static void am335x_uart_tx_byte(unsigned char data)
+static void am335x_uart_tx_byte(struct am335x_uart *uart, unsigned char data)
{
- struct am335x_uart *uart =
- (struct am335x_uart *)CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
-
while (!(read16(&uart->lsr) & LSR_TXFIFOE));
return write8(data, &uart->thr);
@@ -159,28 +151,36 @@ unsigned int uart_platform_refclk(void)
return 48000000;
}
+unsigned int uart_platform_base(int idx)
+{
+ return CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
+}
+
#if !defined(__PRE_RAM__)
uint32_t uartmem_getbaseaddr(void)
{
- return CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
+ return uart_platform_base(0);
}
#endif
void uart_init(void)
{
+ struct am335x_uart *uart = uart_platform_baseptr(0);
uint16_t div = (uint16_t) uart_baudrate_divisor(
default_baudrate(), uart_platform_refclk(), 16);
- am335x_uart_init(div);
+ am335x_uart_init(uart, div);
}
unsigned char uart_rx_byte(void)
{
- return am335x_uart_rx_byte();
+ struct am335x_uart *uart = uart_platform_baseptr(0);
+ return am335x_uart_rx_byte(uart);
}
void uart_tx_byte(unsigned char data)
{
- am335x_uart_tx_byte(data);
+ struct am335x_uart *uart = uart_platform_baseptr(0);
+ am335x_uart_tx_byte(uart, data);
}
void uart_tx_flush(void)
diff --git a/src/drivers/uart/pl011.c b/src/drivers/uart/pl011.c
index 2202de755d..e4bfdc6136 100644
--- a/src/drivers/uart/pl011.c
+++ b/src/drivers/uart/pl011.c
@@ -15,12 +15,14 @@
#include <console/uart.h>
-static void pl011_uart_tx_byte(unsigned char data)
+static void pl011_uart_tx_byte(unsigned int *uart_base, unsigned char data)
{
- static volatile unsigned int *uart0_address =
- (unsigned int *) CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
+ *uart_base = (unsigned int)data;
+}
- *uart0_address = (unsigned int)data;
+unsigned int uart_platform_base(int idx)
+{
+ return CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
}
#if !defined(__PRE_RAM__)
@@ -36,7 +38,8 @@ void uart_init(void)
void uart_tx_byte(unsigned char data)
{
- pl011_uart_tx_byte(data);
+ unsigned int *uart_base = uart_platform_baseptr(0);
+ pl011_uart_tx_byte(uart_base, data);
}
void uart_tx_flush(void)
diff --git a/src/include/console/uart.h b/src/include/console/uart.h
index f0371a2a98..6a1251e5d0 100644
--- a/src/include/console/uart.h
+++ b/src/include/console/uart.h
@@ -48,6 +48,13 @@ int uart_can_rx_byte(void);
unsigned int uart_platform_base(int idx);
uint32_t uartmem_getbaseaddr(void);
+#if !defined(__ROMCC__)
+static inline void *uart_platform_baseptr(int idx)
+{
+ return (void *)uart_platform_base(idx);
+}
+#endif
+
void oxford_init(void);
void oxford_remap(unsigned int new_base);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 22:46:22 +0000