diff options
Diffstat (limited to 'src/southbridge/amd/rs780')
| -rw-r--r-- | src/southbridge/amd/rs780/cmn.c | 40 |
1 files changed, 18 insertions, 22 deletions
diff --git a/src/southbridge/amd/rs780/cmn.c b/src/southbridge/amd/rs780/cmn.c index cf09b9a89d..497d1af7f9 100644 --- a/src/southbridge/amd/rs780/cmn.c +++ b/src/southbridge/amd/rs780/cmn.c @@ -46,7 +46,7 @@ static void nb_write_index(device_t dev, u32 index_reg, u32 index, u32 data) /* extension registers */ u32 pci_ext_read_config32(device_t nb_dev, device_t dev, u32 reg) { - /*get BAR3 base address for nbcfg0x1c */ + /* get BAR3 base address for nbcfg0x1c */ u32 addr = pci_read_config32(nb_dev, 0x1c) & ~0xF; printk(BIOS_DEBUG, "addr=%x,bus=%x,devfn=%x\n", addr, dev->bus->secondary, dev->path.pci.devfn); @@ -59,7 +59,7 @@ void pci_ext_write_config32(device_t nb_dev, device_t dev, u32 reg_pos, u32 mask { u32 reg_old, reg; - /*get BAR3 base address for nbcfg0x1c */ + /* get BAR3 base address for nbcfg0x1c */ u32 addr = pci_read_config32(nb_dev, 0x1c) & ~0xF; /*printk(BIOS_DEBUG, "write: addr=%x,bus=%x,devfn=%x\n", addr, dev->bus->secondary, dev->path.pci.devfn);*/ @@ -190,12 +190,12 @@ void set_pcie_enable_bits(device_t dev, u32 reg_pos, u32 mask, u32 val) } } -/*********************************************************** -* To access bar3 we need to program PCI MMIO 7 in K8. -* in_out: -* 1: enable/enter k8 temp mmio base -* 0: disable/restore -***********************************************************/ +/* + * To access bar3 we need to program PCI MMIO 7 in K8. + * in_out: + * 1: enable/enter k8 temp mmio base + * 0: disable/restore + */ void ProgK8TempMmioBase(u8 in_out, u32 pcie_base_add, u32 mmio_base_add) { /* K8 Function1 is address map */ @@ -249,11 +249,11 @@ void PcieReleasePortTraining(device_t nb_dev, device_t dev, u32 port) } } -/******************************************************************************************************** -* Output: -* 0: no device is present. -* 1: device is present and is trained. -********************************************************************************************************/ +/* + * Output: + * 0: no device is present. + * 1: device is present and is trained. + */ u8 PcieTrainPort(device_t nb_dev, device_t dev, u32 port) { u16 count = 5000; @@ -319,17 +319,13 @@ u8 PcieTrainPort(device_t nb_dev, device_t dev, u32 port) count = 0; break; case 0x10: - reg = - pci_ext_read_config32(nb_dev, dev, - PCIE_VC0_RESOURCE_STATUS); + reg = pci_ext_read_config32(nb_dev, dev, PCIE_VC0_RESOURCE_STATUS); printk(BIOS_DEBUG, "PcieTrainPort reg=0x%x\n", reg); /* check bit1 */ if (reg & VC_NEGOTIATION_PENDING) { /* bit1=1 means the link needs to be re-trained. */ /* set bit8=1, bit0-2=bit4-6 */ u32 tmp; - reg = - nbpcie_p_read_index(dev, - PCIE_LC_LINK_WIDTH); + reg = nbpcie_p_read_index(dev, PCIE_LC_LINK_WIDTH); tmp = (reg >> 4) && 0x3; /* get bit4-6 */ reg &= 0xfff8; /* clear bit0-2 */ reg += tmp; /* merge */ @@ -350,9 +346,9 @@ u8 PcieTrainPort(device_t nb_dev, device_t dev, u32 port) } /* -* Compliant with CIM_33's ATINB_SetToms. -* Set Top Of Memory below and above 4G. -*/ + * Compliant with CIM_33's ATINB_SetToms. + * Set Top Of Memory below and above 4G. + */ void rs780_set_tom(device_t nb_dev) { /* set TOM */ |