diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/olpc/rev_a/Config.lb | 3 | ||||
| -rw-r--r-- | src/southbridge/amd/cs5536/chip.h | 1 | ||||
| -rw-r--r-- | src/southbridge/amd/cs5536/cs5536.c | 9 |
3 files changed, 12 insertions, 1 deletions
diff --git a/src/mainboard/olpc/rev_a/Config.lb b/src/mainboard/olpc/rev_a/Config.lb index 98ff136b82..e0e2613b30 100644 --- a/src/mainboard/olpc/rev_a/Config.lb +++ b/src/mainboard/olpc/rev_a/Config.lb @@ -124,7 +124,7 @@ dir /pc80 config chip.h chip northbridge/amd/gx2 - register "irq_map" = "0xaa5b"; + register "irqmap" = "0xaa5b" device apic_cluster 0 on chip cpu/amd/model_gx2 device apic 0 on end @@ -136,6 +136,7 @@ chip northbridge/amd/gx2 chip southbridge/amd/cs5536 register "enable_gpio0_inta" = "1" register "enable_ide_nand_flash" = "1" + register "enable_uarta" = "1" device pci d.0 on end # Realtek 8139 LAN device pci f.0 on end # ISA Bridge device pci f.2 on end # IDE Controller diff --git a/src/southbridge/amd/cs5536/chip.h b/src/southbridge/amd/cs5536/chip.h index 12cfecbd72..33cc78a2f1 100644 --- a/src/southbridge/amd/cs5536/chip.h +++ b/src/southbridge/amd/cs5536/chip.h @@ -9,6 +9,7 @@ struct southbridge_amd_cs5536_config { int lpc_irq; /* what to enable, e.g. 0x18 */ int enable_gpio0_inta; /* almost always will be true */ int enable_ide_nand_flash; /* if you are using nand flash instead of IDE drive */ + int enable_uarta; /* internal uarta interrupt enable */ }; #endif /* _SOUTHBRIDGE_AMD_CS5536 */ diff --git a/src/southbridge/amd/cs5536/cs5536.c b/src/southbridge/amd/cs5536/cs5536.c index a2b3284cf5..062ba5a0f0 100644 --- a/src/southbridge/amd/cs5536/cs5536.c +++ b/src/southbridge/amd/cs5536/cs5536.c @@ -97,6 +97,15 @@ static void southbridge_enable(struct device *dev) outl(0x3081, GPIOL_INPUT_INVERT_ENABLE); outl(GPIOL_0_SET, GPIO_MAPPER_X); } + + if (sb->enable_uarta){ + printk_err("%s: enable uarta, msr MDD_IRQM_YHIGH(%x) \n", + __FUNCTION__, MDD_IRQM_YHIGH); + msr = rdmsr(MDD_IRQM_YHIGH); + msr.lo |= 0x04000000; + wrmsr(MDD_IRQM_YHIGH, msr); + } + printk_err("%s: enable_ide_nand_flash is %d\n", __FUNCTION__, sb->enable_ide_nand_flash); if (sb->enable_ide_nand_flash) { enable_ide_nand_flash(); |