diff options
Diffstat (limited to 'arch/m68k/cpu/mcf547x_8x/pci.c')
| -rw-r--r-- | arch/m68k/cpu/mcf547x_8x/pci.c | 59 |
1 files changed, 31 insertions, 28 deletions
diff --git a/arch/m68k/cpu/mcf547x_8x/pci.c b/arch/m68k/cpu/mcf547x_8x/pci.c index f867dc1..1a81e3f 100644 --- a/arch/m68k/cpu/mcf547x_8x/pci.c +++ b/arch/m68k/cpu/mcf547x_8x/pci.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -88,53 +88,56 @@ int pci_read_cfg_dword(struct pci_controller *hose, pci_dev_t dev, void pci_mcf547x_8x_init(struct pci_controller *hose) { - volatile pci_t *pci = (volatile pci_t *) MMAP_PCI; - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + pci_t *pci = (pci_t *) MMAP_PCI; + gpio_t *gpio = (gpio_t *) MMAP_GPIO; /* Port configuration */ - gpio->par_pcibg = - GPIO_PAR_PCIBG_PCIBG0(3) | GPIO_PAR_PCIBG_PCIBG1(3) | - GPIO_PAR_PCIBG_PCIBG2(3) | GPIO_PAR_PCIBG_PCIBG3(3) | - GPIO_PAR_PCIBG_PCIBG4(3); - gpio->par_pcibr = - GPIO_PAR_PCIBR_PCIBR0(3) | GPIO_PAR_PCIBR_PCIBR1(3) | - GPIO_PAR_PCIBR_PCIBR2(3) | GPIO_PAR_PCIBR_PCIBR3(3) | - GPIO_PAR_PCIBR_PCIBR4(3); + out_be16(&gpio->par_pcibg, + GPIO_PAR_PCIBG_PCIBG0(3) | GPIO_PAR_PCIBG_PCIBG1(3) | + GPIO_PAR_PCIBG_PCIBG2(3) | GPIO_PAR_PCIBG_PCIBG3(3) | + GPIO_PAR_PCIBG_PCIBG4(3)); + out_be16(&gpio->par_pcibr, + GPIO_PAR_PCIBR_PCIBR0(3) | GPIO_PAR_PCIBR_PCIBR1(3) | + GPIO_PAR_PCIBR_PCIBR2(3) | GPIO_PAR_PCIBR_PCIBR3(3) | + GPIO_PAR_PCIBR_PCIBR4(3)); /* Assert reset bit */ - pci->gscr |= PCI_GSCR_PR; + setbits_be32(&pci->gscr, PCI_GSCR_PR); - pci->tcr1 = PCI_TCR1_P; + out_be32(&pci->tcr1, PCI_TCR1_P); /* Initiator windows */ - pci->iw0btar = CONFIG_SYS_PCI_MEM_PHYS | (CONFIG_SYS_PCI_MEM_PHYS >> 16); - pci->iw1btar = CONFIG_SYS_PCI_IO_PHYS | (CONFIG_SYS_PCI_IO_PHYS >> 16); - pci->iw2btar = CONFIG_SYS_PCI_CFG_PHYS | (CONFIG_SYS_PCI_CFG_PHYS >> 16); + out_be32(&pci->iw0btar, + CONFIG_SYS_PCI_MEM_PHYS | (CONFIG_SYS_PCI_MEM_PHYS >> 16)); + out_be32(&pci->iw1btar, + CONFIG_SYS_PCI_IO_PHYS | (CONFIG_SYS_PCI_IO_PHYS >> 16)); + out_be32(&pci->iw2btar, + CONFIG_SYS_PCI_CFG_PHYS | (CONFIG_SYS_PCI_CFG_PHYS >> 16)); - pci->iwcr = - PCI_IWCR_W0C_EN | PCI_IWCR_W1C_EN | PCI_IWCR_W1C_IO | - PCI_IWCR_W2C_EN | PCI_IWCR_W2C_IO; + out_be32(&pci->iwcr, + PCI_IWCR_W0C_EN | PCI_IWCR_W1C_EN | PCI_IWCR_W1C_IO | + PCI_IWCR_W2C_EN | PCI_IWCR_W2C_IO); - pci->icr = 0; + out_be32(&pci->icr, 0); /* Enable bus master and mem access */ - pci->scr = PCI_SCR_B | PCI_SCR_M; + out_be32(&pci->scr, PCI_SCR_B | PCI_SCR_M); /* Cache line size and master latency */ - pci->cr1 = PCI_CR1_CLS(8) | PCI_CR1_LTMR(0xF8); - pci->cr2 = 0; + out_be32(&pci->cr1, PCI_CR1_CLS(8) | PCI_CR1_LTMR(0xf8)); + out_be32(&pci->cr2, 0); #ifdef CONFIG_SYS_PCI_BAR0 - pci->bar0 = PCI_BAR_BAR0(CONFIG_SYS_PCI_BAR0); - pci->tbatr0a = CONFIG_SYS_PCI_TBATR0 | PCI_TBATR_EN; + out_be32(&pci->bar0, PCI_BAR_BAR0(CONFIG_SYS_PCI_BAR0)); + out_be32(&pci->tbatr0a, CONFIG_SYS_PCI_TBATR0 | PCI_TBATR_EN); #endif #ifdef CONFIG_SYS_PCI_BAR1 - pci->bar1 = PCI_BAR_BAR1(CONFIG_SYS_PCI_BAR1); - pci->tbatr1a = CONFIG_SYS_PCI_TBATR1 | PCI_TBATR_EN; + out_be32(&pci->bar1, PCI_BAR_BAR1(CONFIG_SYS_PCI_BAR1)); + out_be32(&pci->tbatr1a, CONFIG_SYS_PCI_TBATR1 | PCI_TBATR_EN); #endif /* Deassert reset bit */ - pci->gscr &= ~PCI_GSCR_PR; + clrbits_be32(&pci->gscr, PCI_GSCR_PR); udelay(1000); /* Enable PCI bus master support */ |