diff options
Diffstat (limited to 'drivers/serial/serial_zynq.c')
| -rw-r--r-- | drivers/serial/serial_zynq.c | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c index ff28f3c80..22c6bf099 100644 --- a/drivers/serial/serial_zynq.c +++ b/drivers/serial/serial_zynq.c @@ -10,6 +10,8 @@ #include <asm/io.h> #include <linux/compiler.h> #include <serial.h> +#include <asm/arch/clk.h> +#include <asm/arch/hardware.h> #define ZYNQ_UART_SR_TXFULL 0x00000010 /* TX FIFO full */ #define ZYNQ_UART_SR_RXEMPTY 0x00000002 /* RX FIFO empty */ @@ -33,28 +35,24 @@ struct uart_zynq { }; static struct uart_zynq *uart_zynq_ports[2] = { -#ifdef CONFIG_ZYNQ_SERIAL_BASEADDR0 - [0] = (struct uart_zynq *)CONFIG_ZYNQ_SERIAL_BASEADDR0, + [0] = (struct uart_zynq *)ZYNQ_SERIAL_BASEADDR0, + [1] = (struct uart_zynq *)ZYNQ_SERIAL_BASEADDR1, +}; + +#if !defined(CONFIG_ZYNQ_SERIAL_BAUDRATE0) +# define CONFIG_ZYNQ_SERIAL_BAUDRATE0 CONFIG_BAUDRATE #endif -#ifdef CONFIG_ZYNQ_SERIAL_BASEADDR1 - [1] = (struct uart_zynq *)CONFIG_ZYNQ_SERIAL_BASEADDR1, +#if !defined(CONFIG_ZYNQ_SERIAL_BAUDRATE1) +# define CONFIG_ZYNQ_SERIAL_BAUDRATE1 CONFIG_BAUDRATE #endif -}; struct uart_zynq_params { u32 baudrate; - u32 clock; }; static struct uart_zynq_params uart_zynq_ports_param[2] = { -#if defined(CONFIG_ZYNQ_SERIAL_BAUDRATE0) && defined(CONFIG_ZYNQ_SERIAL_CLOCK0) [0].baudrate = CONFIG_ZYNQ_SERIAL_BAUDRATE0, - [0].clock = CONFIG_ZYNQ_SERIAL_CLOCK0, -#endif -#if defined(CONFIG_ZYNQ_SERIAL_BAUDRATE1) && defined(CONFIG_ZYNQ_SERIAL_CLOCK1) [1].baudrate = CONFIG_ZYNQ_SERIAL_BAUDRATE1, - [1].clock = CONFIG_ZYNQ_SERIAL_CLOCK1, -#endif }; /* Set up the baud rate in gd struct */ @@ -64,7 +62,7 @@ static void uart_zynq_serial_setbrg(const int port) unsigned int calc_bauderror, bdiv, bgen; unsigned long calc_baud = 0; unsigned long baud = uart_zynq_ports_param[port].baudrate; - unsigned long clock = uart_zynq_ports_param[port].clock; + unsigned long clock = get_uart_clk(port); struct uart_zynq *regs = uart_zynq_ports[port]; /* master clock @@ -186,20 +184,19 @@ struct serial_device uart_zynq_serial1_device = __weak struct serial_device *default_serial_console(void) { +#if defined(CONFIG_ZYNQ_SERIAL_UART0) if (uart_zynq_ports[0]) return &uart_zynq_serial0_device; +#endif +#if defined(CONFIG_ZYNQ_SERIAL_UART1) if (uart_zynq_ports[1]) return &uart_zynq_serial1_device; - +#endif return NULL; } void zynq_serial_initalize(void) { -#ifdef CONFIG_ZYNQ_SERIAL_BASEADDR0 serial_register(&uart_zynq_serial0_device); -#endif -#ifdef CONFIG_ZYNQ_SERIAL_BASEADDR1 serial_register(&uart_zynq_serial1_device); -#endif } |