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authorAlexander Graf <agraf@suse.de>2013-08-29 02:41:59 +0400
committerAlexander Graf <agraf@suse.de>2013-08-29 02:41:59 +0400
commitbf550fc93d9855872a95e69e4002256110d89858 (patch)
tree10876bb4304bffe54c4160a132e7b8de6577ac4e /arch/mips/boot/compressed/uart-16550.c
parent7e48c101e0c53e6095c5f4f5e63d14df50aae8fc (diff)
parentcc2df20c7c4ce594c3e17e9cc260c330646012c8 (diff)
downloadlinux-bf550fc93d9855872a95e69e4002256110d89858.tar.xz
Merge remote-tracking branch 'origin/next' into kvm-ppc-next
Conflicts: mm/Kconfig CMA DMA split and ZSWAP introduction were conflicting, fix up manually.
Diffstat (limited to 'arch/mips/boot/compressed/uart-16550.c')
-rw-r--r--arch/mips/boot/compressed/uart-16550.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/arch/mips/boot/compressed/uart-16550.c b/arch/mips/boot/compressed/uart-16550.c
index 1c7b739b6a1d..c01d343ce6ad 100644
--- a/arch/mips/boot/compressed/uart-16550.c
+++ b/arch/mips/boot/compressed/uart-16550.c
@@ -23,23 +23,39 @@
#define PORT(offset) (UART0_BASE + (4 * offset))
#endif
+#ifdef CONFIG_CPU_XLR
+#define UART0_BASE 0x1EF14000
+#define PORT(offset) (CKSEG1ADDR(UART0_BASE) + (4 * offset))
+#define IOTYPE unsigned int
+#endif
+
+#ifdef CONFIG_CPU_XLP
+#define UART0_BASE 0x18030100
+#define PORT(offset) (CKSEG1ADDR(UART0_BASE) + (4 * offset))
+#define IOTYPE unsigned int
+#endif
+
+#ifndef IOTYPE
+#define IOTYPE char
+#endif
+
#ifndef PORT
#error please define the serial port address for your own machine
#endif
static inline unsigned int serial_in(int offset)
{
- return *((char *)PORT(offset));
+ return *((volatile IOTYPE *)PORT(offset)) & 0xFF;
}
static inline void serial_out(int offset, int value)
{
- *((char *)PORT(offset)) = value;
+ *((volatile IOTYPE *)PORT(offset)) = value & 0xFF;
}
void putc(char c)
{
- int timeout = 1024;
+ int timeout = 1000000;
while (((serial_in(UART_LSR) & UART_LSR_THRE) == 0) && (timeout-- > 0))
;