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Diffstat (limited to 'include/asm-arm/arch-orion5x/uncompress.h')
-rw-r--r--include/asm-arm/arch-orion5x/uncompress.h29
1 files changed, 22 insertions, 7 deletions
diff --git a/include/asm-arm/arch-orion5x/uncompress.h b/include/asm-arm/arch-orion5x/uncompress.h
index 5c13d4f..7548ced 100644
--- a/include/asm-arm/arch-orion5x/uncompress.h
+++ b/include/asm-arm/arch-orion5x/uncompress.h
@@ -8,23 +8,38 @@
* warranty of any kind, whether express or implied.
*/
+#include <linux/serial_reg.h>
#include <asm/arch/orion5x.h>
-#define MV_UART_THR ((volatile unsigned char *)(UART0_PHYS_BASE + 0x0))
-#define MV_UART_LSR ((volatile unsigned char *)(UART0_PHYS_BASE + 0x14))
-
-#define LSR_THRE 0x20
+#define SERIAL_BASE ((unsigned char *)UART0_PHYS_BASE)
static void putc(const char c)
{
- int j = 0x1000;
- while (--j && !(*MV_UART_LSR & LSR_THRE))
+ unsigned char *base = SERIAL_BASE;
+ int i;
+
+ for (i = 0; i < 0x1000; i++) {
+ if (base[UART_LSR << 2] & UART_LSR_THRE)
+ break;
barrier();
- *MV_UART_THR = c;
+ }
+
+ base[UART_TX << 2] = c;
}
static void flush(void)
{
+ unsigned char *base = SERIAL_BASE;
+ unsigned char mask;
+ int i;
+
+ mask = UART_LSR_TEMT | UART_LSR_THRE;
+
+ for (i = 0; i < 0x1000; i++) {
+ if ((base[UART_LSR << 2] & mask) == mask)
+ break;
+ barrier();
+ }
}
/*