da830: add support for NAND boot mode

[oweals/u-boot.git] / drivers / serial / serial_s5p.c

diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c
index 77096643f1f87a01eebab57727926bf5f42eea77..6819bb07b7df717f90aea0027a8c6dcb92103ead 100644 (file)
--- a/drivers/serial/serial_s5p.c
+++ b/drivers/serial/serial_s5p.c
@@ -22,11 +22,14 @@
  */
 
 #include <common.h>
+#include <linux/compiler.h>
 #include <asm/io.h>
 #include <asm/arch/uart.h>
 #include <asm/arch/clk.h>
 #include <serial.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 static inline struct s5p_uart *s5p_get_base_uart(int dev_index)
 {
        u32 offset = dev_index * sizeof(struct s5p_uart);
@@ -61,7 +64,6 @@ static const int udivslot[] = {
 
 void serial_setbrg_dev(const int dev_index)
 {
-       DECLARE_GLOBAL_DATA_PTR;
        struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
        u32 uclk = get_uart_clk(dev_index);
        u32 baudrate = gd->baudrate;
@@ -70,7 +72,11 @@ void serial_setbrg_dev(const int dev_index)
        val = uclk / baudrate;
 
        writel(val / 16 - 1, &uart->ubrdiv);
-       writew(udivslot[val % 16], &uart->udivslot);
+
+       if (s5p_uart_divslot())
+               writew(udivslot[val % 16], &uart->rest.slot);
+       else
+               writeb(val % 16, &uart->rest.value);
 }
 
 /*
@@ -177,9 +183,8 @@ int s5p_serial##port##_tstc(void) { return serial_tstc_dev(port); } \
 void s5p_serial##port##_putc(const char c) { serial_putc_dev(c, port); } \
 void s5p_serial##port##_puts(const char *s) { serial_puts_dev(s, port); }
 
-#define INIT_S5P_SERIAL_STRUCTURE(port, name, bus) { \
+#define INIT_S5P_SERIAL_STRUCTURE(port, name) { \
        name, \
-       bus, \
        s5p_serial##port##_init, \
        NULL, \
        s5p_serial##port##_setbrg, \
@@ -190,13 +195,28 @@ void s5p_serial##port##_puts(const char *s) { serial_puts_dev(s, port); }
 
 DECLARE_S5P_SERIAL_FUNCTIONS(0);
 struct serial_device s5p_serial0_device =
-       INIT_S5P_SERIAL_STRUCTURE(0, "s5pser0", "S5PUART0");
+       INIT_S5P_SERIAL_STRUCTURE(0, "s5pser0");
 DECLARE_S5P_SERIAL_FUNCTIONS(1);
 struct serial_device s5p_serial1_device =
-       INIT_S5P_SERIAL_STRUCTURE(1, "s5pser1", "S5PUART1");
+       INIT_S5P_SERIAL_STRUCTURE(1, "s5pser1");
 DECLARE_S5P_SERIAL_FUNCTIONS(2);
 struct serial_device s5p_serial2_device =
-       INIT_S5P_SERIAL_STRUCTURE(2, "s5pser2", "S5PUART2");
+       INIT_S5P_SERIAL_STRUCTURE(2, "s5pser2");
 DECLARE_S5P_SERIAL_FUNCTIONS(3);
 struct serial_device s5p_serial3_device =
-       INIT_S5P_SERIAL_STRUCTURE(3, "s5pser3", "S5PUART3");
+       INIT_S5P_SERIAL_STRUCTURE(3, "s5pser3");
+
+__weak struct serial_device *default_serial_console(void)
+{
+#if defined(CONFIG_SERIAL0)
+       return &s5p_serial0_device;
+#elif defined(CONFIG_SERIAL1)
+       return &s5p_serial1_device;
+#elif defined(CONFIG_SERIAL2)
+       return &s5p_serial2_device;
+#elif defined(CONFIG_SERIAL3)
+       return &s5p_serial3_device;
+#else
+#error "CONFIG_SERIAL? missing."
+#endif
+}