diff options
Diffstat (limited to 'cpu/ppc4xx/4xx_pci.c')
| -rw-r--r-- | cpu/ppc4xx/4xx_pci.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/cpu/ppc4xx/4xx_pci.c b/cpu/ppc4xx/4xx_pci.c index 01b9cf7217a..eed4534e5f5 100644 --- a/cpu/ppc4xx/4xx_pci.c +++ b/cpu/ppc4xx/4xx_pci.c @@ -686,6 +686,24 @@ void pci_target_init(struct pci_controller * hose) int pci_pre_init(struct pci_controller *hose) __attribute__((weak, alias("__pci_pre_init"))); +#if defined(CONFIG_SYS_PCI_MASTER_INIT) +void __pci_master_init(struct pci_controller *hose) +{ + u16 reg; + + /* + * Write the PowerPC440 EP PCI Configuration regs. + * Enable PowerPC440 EP to be a master on the PCI bus (PMM). + * Enable PowerPC440 EP to act as a PCI memory target (PTM). + */ + pci_read_config_word(0, PCI_COMMAND, ®); + pci_write_config_word(0, PCI_COMMAND, reg | + PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY); +} +void pci_master_init(struct pci_controller *hose) + __attribute__((weak, alias("__pci_master_init"))); +#endif /* CONFIG_SYS_PCI_MASTER_INIT */ + int pci_440_init (struct pci_controller *hose) { int reg_num = 0; |