aboutsummaryrefslogtreecommitdiff
path: root/src/cpu
diff options
context:
space:
mode:
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/allwinner/a10/Kconfig49
-rw-r--r--src/cpu/allwinner/a10/uart_console.c48
-rw-r--r--src/cpu/samsung/exynos5250/Kconfig39
-rw-r--r--src/cpu/samsung/exynos5250/uart.c23
-rw-r--r--src/cpu/samsung/exynos5420/Kconfig39
-rw-r--r--src/cpu/samsung/exynos5420/uart.c21
-rw-r--r--src/cpu/ti/am335x/uart.c25
7 files changed, 64 insertions, 180 deletions
diff --git a/src/cpu/allwinner/a10/Kconfig b/src/cpu/allwinner/a10/Kconfig
index 267e1f48f2..63c44620c5 100644
--- a/src/cpu/allwinner/a10/Kconfig
+++ b/src/cpu/allwinner/a10/Kconfig
@@ -72,51 +72,8 @@ config SYS_SDRAM_BASE
hex
default 0x40000000
-choice CONSOLE_SERIAL_UART_CHOICES
- prompt "Serial Console UART"
- default CONSOLE_SERIAL_UART0
- depends on CONSOLE_SERIAL
-
-config CONSOLE_SERIAL_UART0
- bool "UART0"
- help
- Serial console on UART0
-
-config CONSOLE_SERIAL_UART1
- bool "UART1"
- help
- Serial console on UART1
-
-config CONSOLE_SERIAL_UART2
- bool "UART2"
- help
- Serial console on UART2
-
-config CONSOLE_SERIAL_UART3
- bool "UART3"
- help
- Serial console on UART3
-
-config CONSOLE_SERIAL_UART4
- bool "UART4"
- help
- Serial console on UART4
-
-config CONSOLE_SERIAL_UART5
- bool "UART5"
- help
- Serial console on UART5
-
-config CONSOLE_SERIAL_UART6
- bool "UART6"
- help
- Serial console on UART6
-
-config CONSOLE_SERIAL_UART7
- bool "UART7"
- help
- Serial console on UART7
-
-endchoice
+config UART_FOR_CONSOLE
+ int
+ default 0
endif # if CPU_ALLWINNER_A10
diff --git a/src/cpu/allwinner/a10/uart_console.c b/src/cpu/allwinner/a10/uart_console.c
index d6b91e763a..bb5f41c312 100644
--- a/src/cpu/allwinner/a10/uart_console.c
+++ b/src/cpu/allwinner/a10/uart_console.c
@@ -14,28 +14,13 @@
#include <cpu/allwinner/a10/uart.h>
-static void *get_console_uart_base_addr(void)
+unsigned int uart_platform_base(int idx)
{
- /* This big block gets compiled to a constant, not a function call */
- if (CONFIG_CONSOLE_SERIAL_UART0)
- return (void *)A1X_UART0_BASE;
- else if (CONFIG_CONSOLE_SERIAL_UART1)
- return (void *)A1X_UART1_BASE;
- else if (CONFIG_CONSOLE_SERIAL_UART2)
- return (void *)A1X_UART2_BASE;
- else if (CONFIG_CONSOLE_SERIAL_UART3)
- return (void *)A1X_UART3_BASE;
- else if (CONFIG_CONSOLE_SERIAL_UART4)
- return (void *)A1X_UART4_BASE;
- else if (CONFIG_CONSOLE_SERIAL_UART5)
- return (void *)A1X_UART5_BASE;
- else if (CONFIG_CONSOLE_SERIAL_UART6)
- return (void *)A1X_UART6_BASE;
- else if (CONFIG_CONSOLE_SERIAL_UART7)
- return (void *)A1X_UART7_BASE;
-
- /* If selection is invalid, default to UART0 */
- return (void *)A1X_UART0_BASE;
+ /* UART blocks are mapped 0x400 bytes apart */
+ if (idx < 8)
+ return A1X_UART0_BASE + 0x400 * idx;
+ else
+ return 0;
}
/* FIXME: We assume clock is 24MHz, which may not be the case. */
@@ -44,14 +29,9 @@ unsigned int uart_platform_refclk(void)
return 24000000;
}
-unsigned int uart_platform_base(int idx)
-{
- return (unsigned int)get_console_uart_base_addr();
-}
-
-void uart_init(void)
+void uart_init(int idx)
{
- void *uart_base = get_console_uart_base_addr();
+ void *uart_base = uart_platform_baseptr(idx);
/* Use default 8N1 encoding */
a10_uart_configure(uart_base, default_baudrate(),
@@ -59,17 +39,17 @@ void uart_init(void)
a10_uart_enable_fifos(uart_base);
}
-unsigned char uart_rx_byte(void)
+unsigned char uart_rx_byte(int idx)
{
- return a10_uart_rx_blocking(get_console_uart_base_addr());
+ return a10_uart_rx_blocking(uart_platform_baseptr(idx));
}
-void uart_tx_byte(unsigned char data)
+void uart_tx_byte(int idx, unsigned char data)
{
- a10_uart_tx_blocking(get_console_uart_base_addr(), data);
+ a10_uart_tx_blocking(uart_platform_baseptr(idx), data);
}
-void uart_tx_flush(void)
+void uart_tx_flush(int idx)
{
}
@@ -78,7 +58,7 @@ void uart_fill_lb(void *data)
{
struct lb_serial serial;
serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED;
- serial.baseaddr = uart_platform_base(0);
+ serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
serial.baud = default_baudrate();
lb_add_serial(&serial, data);
diff --git a/src/cpu/samsung/exynos5250/Kconfig b/src/cpu/samsung/exynos5250/Kconfig
index 9320184bed..2fda9b3e4d 100644
--- a/src/cpu/samsung/exynos5250/Kconfig
+++ b/src/cpu/samsung/exynos5250/Kconfig
@@ -88,41 +88,8 @@ config SYS_SDRAM_BASE
hex
default 0x40000000
-choice CONSOLE_SERIAL_UART_CHOICES
- prompt "Serial Console UART"
- default CONSOLE_SERIAL_UART3
- depends on CONSOLE_SERIAL
-
-config CONSOLE_SERIAL_UART0
- bool "UART0"
- help
- Serial console on UART0
-
-config CONSOLE_SERIAL_UART1
- bool "UART1"
- help
- Serial console on UART1
-
-config CONSOLE_SERIAL_UART2
- bool "UART2"
- help
- Serial console on UART2
-
-config CONSOLE_SERIAL_UART3
- bool "UART3"
- help
- Serial console on UART3
-
-endchoice
-
-config CONSOLE_SERIAL_UART_ADDRESS
- hex
- depends on CONSOLE_SERIAL
- default 0x12c00000 if CONSOLE_SERIAL_UART0
- default 0x12c10000 if CONSOLE_SERIAL_UART1
- default 0x12c20000 if CONSOLE_SERIAL_UART2
- default 0x12c30000 if CONSOLE_SERIAL_UART3
- help
- Map the UART names to the respective MMIO address.
+config UART_FOR_CONSOLE
+ int
+ default 3
endif
diff --git a/src/cpu/samsung/exynos5250/uart.c b/src/cpu/samsung/exynos5250/uart.c
index 1dabc093eb..a73a01aba7 100644
--- a/src/cpu/samsung/exynos5250/uart.c
+++ b/src/cpu/samsung/exynos5250/uart.c
@@ -157,30 +157,33 @@ static void exynos5_uart_tx_flush(struct s5p_uart *uart)
unsigned int uart_platform_base(int idx)
{
- return CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
+ if (idx < 4)
+ return 0x12c00000 + idx * 0x10000;
+ else
+ return 0;
}
-void uart_init(void)
+void uart_init(int idx)
{
- struct s5p_uart *uart = uart_platform_baseptr(0);
+ struct s5p_uart *uart = uart_platform_baseptr(idx);
exynos5_init_dev(uart);
}
-unsigned char uart_rx_byte(void)
+unsigned char uart_rx_byte(int idx)
{
- struct s5p_uart *uart = uart_platform_baseptr(0);
+ struct s5p_uart *uart = uart_platform_baseptr(idx);
return exynos5_uart_rx_byte(uart);
}
-void uart_tx_byte(unsigned char data)
+void uart_tx_byte(int idx, unsigned char data)
{
- struct s5p_uart *uart = uart_platform_baseptr(0);
+ struct s5p_uart *uart = uart_platform_baseptr(idx);
exynos5_uart_tx_byte(uart, data);
}
-void uart_tx_flush(void)
+void uart_tx_flush(int idx)
{
- struct s5p_uart *uart = uart_platform_baseptr(0);
+ struct s5p_uart *uart = uart_platform_baseptr(idx);
exynos5_uart_tx_flush(uart);
}
@@ -189,7 +192,7 @@ void uart_fill_lb(void *data)
{
struct lb_serial serial;
serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED;
- serial.baseaddr = uart_platform_base(0);
+ serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
serial.baud = default_baudrate();
lb_add_serial(&serial, data);
diff --git a/src/cpu/samsung/exynos5420/Kconfig b/src/cpu/samsung/exynos5420/Kconfig
index 5f78cc5d92..e46d8893e8 100644
--- a/src/cpu/samsung/exynos5420/Kconfig
+++ b/src/cpu/samsung/exynos5420/Kconfig
@@ -90,41 +90,8 @@ config SYS_SDRAM_BASE
hex
default 0x20000000
-choice CONSOLE_SERIAL_UART_CHOICES
- prompt "Serial Console UART"
- default CONSOLE_SERIAL_UART3
- depends on CONSOLE_SERIAL
-
-config CONSOLE_SERIAL_UART0
- bool "UART0"
- help
- Serial console on UART0
-
-config CONSOLE_SERIAL_UART1
- bool "UART1"
- help
- Serial console on UART1
-
-config CONSOLE_SERIAL_UART2
- bool "UART2"
- help
- Serial console on UART2
-
-config CONSOLE_SERIAL_UART3
- bool "UART3"
- help
- Serial console on UART3
-
-endchoice
-
-config CONSOLE_SERIAL_UART_ADDRESS
- hex
- depends on CONSOLE_SERIAL
- default 0x12c00000 if CONSOLE_SERIAL_UART0
- default 0x12c10000 if CONSOLE_SERIAL_UART1
- default 0x12c20000 if CONSOLE_SERIAL_UART2
- default 0x12c30000 if CONSOLE_SERIAL_UART3
- help
- Map the UART names to the respective MMIO address.
+config UART_FOR_CONSOLE
+ int
+ default 3
endif
diff --git a/src/cpu/samsung/exynos5420/uart.c b/src/cpu/samsung/exynos5420/uart.c
index 290eb35a8d..8fd4dea61f 100644
--- a/src/cpu/samsung/exynos5420/uart.c
+++ b/src/cpu/samsung/exynos5420/uart.c
@@ -149,28 +149,31 @@ static void exynos5_uart_tx_byte(struct s5p_uart *uart, unsigned char data)
unsigned int uart_platform_base(int idx)
{
- return CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
+ if (idx < 4)
+ return 0x12c00000 + idx * 0x10000;
+ else
+ return 0;
}
-void uart_init(void)
+void uart_init(int idx)
{
- struct s5p_uart *uart = uart_platform_baseptr(0);
+ struct s5p_uart *uart = uart_platform_baseptr(idx);
exynos5_init_dev(uart);
}
-unsigned char uart_rx_byte(void)
+unsigned char uart_rx_byte(int idx)
{
- struct s5p_uart *uart = uart_platform_baseptr(0);
+ struct s5p_uart *uart = uart_platform_baseptr(idx);
return exynos5_uart_rx_byte(uart);
}
-void uart_tx_byte(unsigned char data)
+void uart_tx_byte(int idx, unsigned char data)
{
- struct s5p_uart *uart = uart_platform_baseptr(0);
+ struct s5p_uart *uart = uart_platform_baseptr(idx);
exynos5_uart_tx_byte(uart, data);
}
-void uart_tx_flush(void)
+void uart_tx_flush(int idx)
{
/* Exynos5250 implements this too. */
}
@@ -180,7 +183,7 @@ void uart_fill_lb(void *data)
{
struct lb_serial serial;
serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED;
- serial.baseaddr = uart_platform_base(0);
+ serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
serial.baud = default_baudrate();
lb_add_serial(&serial, data);
diff --git a/src/cpu/ti/am335x/uart.c b/src/cpu/ti/am335x/uart.c
index 858926bc31..d398d9aba6 100644
--- a/src/cpu/ti/am335x/uart.c
+++ b/src/cpu/ti/am335x/uart.c
@@ -16,6 +16,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <stdlib.h>
#include <config.h>
#include <types.h>
#include <console/uart.h>
@@ -154,30 +155,36 @@ unsigned int uart_platform_refclk(void)
unsigned int uart_platform_base(int idx)
{
- return CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
+ const unsigned int bases[] = {
+ 0x44e09000, 0x48022000, 0x48024000,
+ 0x481a6000, 0x481a8000, 0x481aa000
+ };
+ if (idx < ARRAY_SIZE(bases))
+ return bases[idx];
+ return 0;
}
-void uart_init(void)
+void uart_init(int idx)
{
- struct am335x_uart *uart = uart_platform_baseptr(0);
+ struct am335x_uart *uart = uart_platform_baseptr(idx);
uint16_t div = (uint16_t) uart_baudrate_divisor(
default_baudrate(), uart_platform_refclk(), 16);
am335x_uart_init(uart, div);
}
-unsigned char uart_rx_byte(void)
+unsigned char uart_rx_byte(int idx)
{
- struct am335x_uart *uart = uart_platform_baseptr(0);
+ struct am335x_uart *uart = uart_platform_baseptr(idx);
return am335x_uart_rx_byte(uart);
}
-void uart_tx_byte(unsigned char data)
+void uart_tx_byte(int idx, unsigned char data)
{
- struct am335x_uart *uart = uart_platform_baseptr(0);
+ struct am335x_uart *uart = uart_platform_baseptr(idx);
am335x_uart_tx_byte(uart, data);
}
-void uart_tx_flush(void)
+void uart_tx_flush(int idx)
{
}
@@ -186,7 +193,7 @@ void uart_fill_lb(void *data)
{
struct lb_serial serial;
serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED;
- serial.baseaddr = uart_platform_base(0);
+ serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
serial.baud = default_baudrate();
lb_add_serial(&serial, data);