--
Marc Jones
Senior Software Engineer
(970) 226-9684 Office
mailto:[EMAIL PROTECTED]
http://www.amd.com/embeddedprocessors
The GPIOs used for UART2 RX and TX were reversed.
Signed-off-by: Marc Jones <[EMAIL PROTECTED]>
Index: LinuxBIOSv2/src/southbridge/amd/cs5536/cs5536.c
===================================================================
--- LinuxBIOSv2.orig/src/southbridge/amd/cs5536/cs5536.c 2007-06-18
17:35:37.000000000 -0600
+++ LinuxBIOSv2/src/southbridge/amd/cs5536/cs5536.c 2007-06-18
16:53:17.000000000 -0600
@@ -356,19 +356,19 @@
msr.lo |= sb->com2_irq << 28;
wrmsr(MDD_IRQM_YHIGH, msr);
- /* GPIO3 - UART2_RX */
+ /* GPIO4 - UART2_RX */
/* Set: Output Enable (0x4) */
- outl(GPIOL_3_SET, gpio_addr + GPIOL_OUTPUT_ENABLE);
+ outl(GPIOL_4_SET, gpio_addr + GPIOL_OUTPUT_ENABLE);
/* Set: OUTAUX1 Select (0x10) */
- outl(GPIOL_3_SET, gpio_addr + GPIOL_OUT_AUX1_SELECT);
+ outl(GPIOL_4_SET, gpio_addr + GPIOL_OUT_AUX1_SELECT);
- /* GPIO4 - UART2_TX */
+ /* GPIO3 - UART2_TX */
/* Set: Input Enable (0x20) */
- outl(GPIOL_4_SET, gpio_addr + GPIOL_INPUT_ENABLE);
+ outl(GPIOL_3_SET, gpio_addr + GPIOL_INPUT_ENABLE);
/* Set: INAUX1 Select (0x34) */
- outl(GPIOL_4_SET, gpio_addr + GPIOL_IN_AUX1_SELECT);
+ outl(GPIOL_3_SET, gpio_addr + GPIOL_IN_AUX1_SELECT);
- /* Set: GPIO 3 + 3 Pull Up (0x18) */
+ /* Set: GPIO 3 and 4 Pull Up (0x18) */
outl(GPIOL_3_SET | GPIOL_4_SET,
gpio_addr + GPIOL_PULLUP_ENABLE);
--
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