*/
#include <common.h>
+#include <fdtdec.h>
#include <watchdog.h>
#include <asm/io.h>
#include <linux/compiler.h>
#include <asm/arch/clk.h>
#include <asm/arch/hardware.h>
+DECLARE_GLOBAL_DATA_PTR;
+
#define ZYNQ_UART_SR_TXFULL 0x00000010 /* TX FIFO full */
#define ZYNQ_UART_SR_RXEMPTY 0x00000002 /* RX FIFO empty */
#define ZYNQ_UART_MR_PARITY_NONE 0x00000020 /* No parity mode */
struct uart_zynq {
- u32 control; /* Control Register [8:0] */
- u32 mode; /* Mode Register [10:0] */
+ u32 control; /* 0x0 - Control Register [8:0] */
+ u32 mode; /* 0x4 - Mode Register [10:0] */
u32 reserved1[4];
- u32 baud_rate_gen; /* Baud Rate Generator [15:0] */
+ u32 baud_rate_gen; /* 0x18 - Baud Rate Generator [15:0] */
u32 reserved2[4];
- u32 channel_sts; /* Channel Status [11:0] */
- u32 tx_rx_fifo; /* FIFO [15:0] or [7:0] */
- u32 baud_rate_divider; /* Baud Rate Divider [7:0] */
+ u32 channel_sts; /* 0x2c - Channel Status [11:0] */
+ u32 tx_rx_fifo; /* 0x30 - FIFO [15:0] or [7:0] */
+ u32 baud_rate_divider; /* 0x34 - Baud Rate Divider [7:0] */
};
static struct uart_zynq *uart_zynq_ports[2] = {
[1] = (struct uart_zynq *)ZYNQ_SERIAL_BASEADDR1,
};
-#if !defined(CONFIG_ZYNQ_SERIAL_BAUDRATE0)
-# define CONFIG_ZYNQ_SERIAL_BAUDRATE0 CONFIG_BAUDRATE
-#endif
-#if !defined(CONFIG_ZYNQ_SERIAL_BAUDRATE1)
-# define CONFIG_ZYNQ_SERIAL_BAUDRATE1 CONFIG_BAUDRATE
-#endif
-
-struct uart_zynq_params {
- u32 baudrate;
-};
-
-static struct uart_zynq_params uart_zynq_ports_param[2] = {
- [0].baudrate = CONFIG_ZYNQ_SERIAL_BAUDRATE0,
- [1].baudrate = CONFIG_ZYNQ_SERIAL_BAUDRATE1,
-};
-
/* Set up the baud rate in gd struct */
static void uart_zynq_serial_setbrg(const int port)
{
/* Calculation results. */
unsigned int calc_bauderror, bdiv, bgen;
unsigned long calc_baud = 0;
- unsigned long baud = uart_zynq_ports_param[port].baudrate;
+ unsigned long baud = gd->baudrate;
unsigned long clock = get_uart_clk(port);
struct uart_zynq *regs = uart_zynq_ports[port];
/* Multi serial device functions */
#define DECLARE_PSSERIAL_FUNCTIONS(port) \
- int uart_zynq##port##_init(void) \
+ static int uart_zynq##port##_init(void) \
{ return uart_zynq_serial_init(port); } \
- void uart_zynq##port##_setbrg(void) \
+ static void uart_zynq##port##_setbrg(void) \
{ return uart_zynq_serial_setbrg(port); } \
- int uart_zynq##port##_getc(void) \
+ static int uart_zynq##port##_getc(void) \
{ return uart_zynq_serial_getc(port); } \
- int uart_zynq##port##_tstc(void) \
+ static int uart_zynq##port##_tstc(void) \
{ return uart_zynq_serial_tstc(port); } \
- void uart_zynq##port##_putc(const char c) \
+ static void uart_zynq##port##_putc(const char c) \
{ uart_zynq_serial_putc(c, port); } \
- void uart_zynq##port##_puts(const char *s) \
+ static void uart_zynq##port##_puts(const char *s) \
{ uart_zynq_serial_puts(s, port); }
/* Serial device descriptor */
}
DECLARE_PSSERIAL_FUNCTIONS(0);
-struct serial_device uart_zynq_serial0_device =
+static struct serial_device uart_zynq_serial0_device =
INIT_PSSERIAL_STRUCTURE(0, "ttyPS0");
DECLARE_PSSERIAL_FUNCTIONS(1);
-struct serial_device uart_zynq_serial1_device =
+static struct serial_device uart_zynq_serial1_device =
INIT_PSSERIAL_STRUCTURE(1, "ttyPS1");
+#ifdef CONFIG_OF_CONTROL
+__weak struct serial_device *default_serial_console(void)
+{
+ const void *blob = gd->fdt_blob;
+ int node;
+ unsigned int base_addr;
+
+ node = fdt_path_offset(blob, "serial0");
+ if (node < 0)
+ return NULL;
+
+ base_addr = fdtdec_get_addr(blob, node, "reg");
+ if (base_addr == FDT_ADDR_T_NONE)
+ return NULL;
+
+ if (base_addr == ZYNQ_SERIAL_BASEADDR0)
+ return &uart_zynq_serial0_device;
+
+ if (base_addr == ZYNQ_SERIAL_BASEADDR1)
+ return &uart_zynq_serial1_device;
+
+ return NULL;
+}
+#else
__weak struct serial_device *default_serial_console(void)
{
#if defined(CONFIG_ZYNQ_SERIAL_UART0)
#endif
return NULL;
}
+#endif
-void zynq_serial_initalize(void)
+void zynq_serial_initialize(void)
{
serial_register(&uart_zynq_serial0_device);
serial_register(&uart_zynq_serial1_device);