Author: hailfinger Date: 2008-08-22 02:34:28 +0200 (Fri, 22 Aug 2008) New Revision: 796
Modified: coreboot-v3/southbridge/amd/cs5536/cs5536.c Log: CS5536 UART: better depbug prints.
This is the part of the acked patch which was to become r649 but missed in the check in. I'm reusing the signoff and ack.
Signed-off-by: Carl-Daniel Hailfinger c-d.hailfinger.devel.2006@gmx.net Signed-off-by: Ronald G. Minnich rminnich@gmail.com Acked-by: Stefan Reinauer stepan@coresystems.de
Modified: coreboot-v3/southbridge/amd/cs5536/cs5536.c =================================================================== --- coreboot-v3/southbridge/amd/cs5536/cs5536.c 2008-08-21 19:38:32 UTC (rev 795) +++ coreboot-v3/southbridge/amd/cs5536/cs5536.c 2008-08-22 00:34:28 UTC (rev 796) @@ -360,23 +360,26 @@ msr = rdmsr(MDD_LEG_IO); msr.lo |= addr << 20; wrmsr(MDD_LEG_IO, msr); + printk(BIOS_SPEW, "uarts_init: wrote COM2 address 0x%x\n", sb->com2_address);
/* Set the IRQ. */ msr = rdmsr(MDD_IRQM_YHIGH); msr.lo |= sb->com2_irq << 28; wrmsr(MDD_IRQM_YHIGH, msr); + printk(BIOS_SPEW, "uarts_init: set COM2 irq\n");
/* GPIO3 - UART2_RX */ /* Set: Output Enable (0x4) */ outl(GPIOL_3_SET, gpio_addr + GPIOL_OUTPUT_ENABLE); - + printk(BIOS_SPEW, "uarts_init: set output enable\n"); /* Set: OUTAUX1 Select (0x10) */ outl(GPIOL_3_SET, gpio_addr + GPIOL_OUT_AUX1_SELECT); + printk(BIOS_SPEW, "uarts_init: set OUTAUX1\n");
/* GPIO4 - UART2_TX */ /* Set: Input Enable (0x20) */ outl(GPIOL_4_SET, gpio_addr + GPIOL_INPUT_ENABLE); - + printk(BIOS_SPEW, "uarts_init: set COM2 input enable\n"); /* Set: INAUX1 Select (0x34) */ /* this totally disables com2 for serial, leave it out until we can * figure it out @@ -384,9 +387,10 @@ // outl(GPIOL_4_SET, gpio_addr + GPIOL_IN_AUX2_SELECT); // printk(BIOS_SPEW, "uarts_init: set INAUX2 for COM2\n");
- /* Set: GPIO 3 + 3 Pull Up (0x18) */ + /* Set: GPIO 3 + 4 Pull Up (0x18) */ outl(GPIOL_3_SET | GPIOL_4_SET, gpio_addr + GPIOL_PULLUP_ENABLE); + printk(BIOS_SPEW, "uarts_init: set pullup COM2\n");
/* Enable COM2. * @@ -664,6 +668,7 @@ lpc_init(sb); uarts_init(sb, dev);
+ printk(BIOS_SPEW, "cs5536: done uarts_init\n"); if (sb->enable_gpio_int_route) { printk(BIOS_SPEW, "cs5536: call vr_write\n"); vr_write((VRC_MISCELLANEOUS << 8) + PCI_INT_AB,