[LinuxBIOS] [PATCH] Geode com2 fix

-- Marc Jones Senior Software Engineer (970) 226-9684 Office mailto:Marc.Jones@amd.com http://www.amd.com/embeddedprocessors The GPIOs used for UART2 RX and TX were reversed. Signed-off-by: Marc Jones marc.jones@amd.com 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);