This patch is for s5pc210 support.
Due to the resigter of baudrate is changed from slot to value,
add both of them to uart structure.
Signed-off-by: Minkyu Kang <mk7.k...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
---
arch/arm/include/asm/arch-s5pc1xx/uart.h | 14 +++++++++++---
drivers/serial/serial_s5p.c | 6 +++++-
2 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/arch/arm/include/asm/arch-s5pc1xx/uart.h
b/arch/arm/include/asm/arch-s5pc1xx/uart.h
index 2d7ad7e..f6eeab4 100644
--- a/arch/arm/include/asm/arch-s5pc1xx/uart.h
+++ b/arch/arm/include/asm/arch-s5pc1xx/uart.h
@@ -24,6 +24,12 @@
#define __ASM_ARCH_UART_H_
#ifndef __ASSEMBLY__
+/* baudrate rest value */
+union br_rest {
+ unsigned short slot; /* udivslot */
+ unsigned char value; /* ufracval */
+};
+
struct s5p_uart {
unsigned int ulcon;
unsigned int ucon;
@@ -38,10 +44,12 @@ struct s5p_uart {
unsigned char urxh;
unsigned char res2[3];
unsigned int ubrdiv;
- unsigned short udivslot;
- unsigned char res3[2];
- unsigned char res4[0x3d0];
+ union br_rest rest;
+ unsigned char res3[0x3d0];
};
+
+static int use_divslot = 1;
+
#endif /* __ASSEMBLY__ */
#endif
diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c
index 7709664..36333c3 100644
--- a/drivers/serial/serial_s5p.c
+++ b/drivers/serial/serial_s5p.c
@@ -70,7 +70,11 @@ void serial_setbrg_dev(const int dev_index)
val = uclk / baudrate;
writel(val / 16 - 1, &uart->ubrdiv);
- writew(udivslot[val % 16], &uart->udivslot);
+
+ if (use_divslot)
+ writew(udivslot[val % 16], &uart->rest.slot);
+ else
+ writeb(val % 16, &uart->rest.value);
}
/*
--
1.7.0.4
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