diff options
Diffstat (limited to 'hw/ppc/ppc4xx_pci.c')
| -rw-r--r-- | hw/ppc/ppc4xx_pci.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/hw/ppc/ppc4xx_pci.c b/hw/ppc/ppc4xx_pci.c index 5df97e6..8642b96 100644 --- a/hw/ppc/ppc4xx_pci.c +++ b/hw/ppc/ppc4xx_pci.c @@ -16,8 +16,10 @@ * Authors: Hollis Blanchard <hollisb@us.ibm.com> */ -/* This file implements emulation of the 32-bit PCI controller found in some - * 4xx SoCs, such as the 440EP. */ +/* + * This file implements emulation of the 32-bit PCI controller found in some + * 4xx SoCs, such as the 440EP. + */ #include "qemu/osdep.h" #include "qemu/log.h" @@ -65,8 +67,10 @@ struct PPC4xxPCIState { #define PCIC0_CFGADDR 0x0 #define PCIC0_CFGDATA 0x4 -/* PLB Memory Map (PMM) registers specify which PLB addresses are translated to - * PCI accesses. */ +/* + * PLB Memory Map (PMM) registers specify which PLB addresses are translated to + * PCI accesses. + */ #define PCIL0_PMM0LA 0x0 #define PCIL0_PMM0MA 0x4 #define PCIL0_PMM0PCILA 0x8 @@ -80,8 +84,10 @@ struct PPC4xxPCIState { #define PCIL0_PMM2PCILA 0x28 #define PCIL0_PMM2PCIHA 0x2c -/* PCI Target Map (PTM) registers specify which PCI addresses are translated to - * PLB accesses. */ +/* + * PCI Target Map (PTM) registers specify which PCI addresses are translated to + * PLB accesses. + */ #define PCIL0_PTM1MS 0x30 #define PCIL0_PTM1LA 0x34 #define PCIL0_PTM2MS 0x38 @@ -96,9 +102,10 @@ static void ppc4xx_pci_reg_write4(void *opaque, hwaddr offset, { struct PPC4xxPCIState *pci = opaque; - /* We ignore all target attempts at PCI configuration, effectively - * assuming a bidirectional 1:1 mapping of PLB and PCI space. */ - + /* + * We ignore all target attempts at PCI configuration, effectively + * assuming a bidirectional 1:1 mapping of PLB and PCI space. + */ switch (offset) { case PCIL0_PMM0LA: pci->pmm[0].la = value; @@ -243,8 +250,10 @@ static void ppc4xx_pci_reset(void *opaque) memset(pci->ptm, 0, sizeof(pci->ptm)); } -/* On Bamboo, all pins from each slot are tied to a single board IRQ. This - * may need further refactoring for other boards. */ +/* + * On Bamboo, all pins from each slot are tied to a single board IRQ. + * This may need further refactoring for other boards. + */ static int ppc4xx_pci_map_irq(PCIDevice *pci_dev, int irq_num) { int slot = PCI_SLOT(pci_dev->devfn); |