diff options
Diffstat (limited to 'arch/m68k/cpu/mcf5445x/pci.c')
| -rw-r--r-- | arch/m68k/cpu/mcf5445x/pci.c | 74 |
1 files changed, 39 insertions, 35 deletions
diff --git a/arch/m68k/cpu/mcf5445x/pci.c b/arch/m68k/cpu/mcf5445x/pci.c index 7f9784c3c..c32fcee7f 100644 --- a/arch/m68k/cpu/mcf5445x/pci.c +++ b/arch/m68k/cpu/mcf5445x/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 @@ -60,78 +60,82 @@ PCI_OP(write, dword, u32, out_le32, 0) void pci_mcf5445x_init(struct pci_controller *hose) { - volatile pci_t *pci = (volatile pci_t *)MMAP_PCI; - volatile pciarb_t *pciarb = (volatile pciarb_t *)MMAP_PCIARB; - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + pci_t *pci = (pci_t *)MMAP_PCI; + pciarb_t *pciarb = (pciarb_t *)MMAP_PCIARB; + gpio_t *gpio = (gpio_t *) MMAP_GPIO; u32 barEn = 0; - pciarb->acr = 0x001F001F; + out_be32(&pciarb->acr, 0x001f001f); /* Set PCIGNT1, PCIREQ1, PCIREQ0/PCIGNTIN, PCIGNT0/PCIREQOUT, PCIREQ2, PCIGNT2 */ - gpio->par_pci = - GPIO_PAR_PCI_GNT3_GNT3 | GPIO_PAR_PCI_GNT2 | GPIO_PAR_PCI_GNT1 | - GPIO_PAR_PCI_GNT0 | GPIO_PAR_PCI_REQ3_REQ3 | GPIO_PAR_PCI_REQ2 | - GPIO_PAR_PCI_REQ1 | GPIO_PAR_PCI_REQ0; + out_be16(&gpio->par_pci, + GPIO_PAR_PCI_GNT3_GNT3 | GPIO_PAR_PCI_GNT2 | + GPIO_PAR_PCI_GNT1 | GPIO_PAR_PCI_GNT0 | + GPIO_PAR_PCI_REQ3_REQ3 | GPIO_PAR_PCI_REQ2 | + GPIO_PAR_PCI_REQ1 | GPIO_PAR_PCI_REQ0); /* Assert reset bit */ - pci->gscr |= PCI_GSCR_PR; + setbits_be32(&pci->gscr, PCI_GSCR_PR); - pci->tcr1 |= PCI_TCR1_P; + setbits_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->tbatr0 = CONFIG_SYS_PCI_TBATR0 | PCI_TBATR_EN; + out_be32(&pci->bar0, PCI_BAR_BAR0(CONFIG_SYS_PCI_BAR0)); + out_be32(&pci->tbatr0, CONFIG_SYS_PCI_TBATR0 | PCI_TBATR_EN); barEn |= PCI_TCR2_B0E; #endif #ifdef CONFIG_SYS_PCI_BAR1 - pci->bar1 = PCI_BAR_BAR1(CONFIG_SYS_PCI_BAR1); - pci->tbatr1 = CONFIG_SYS_PCI_TBATR1 | PCI_TBATR_EN; + out_be32(&pci->bar1, PCI_BAR_BAR1(CONFIG_SYS_PCI_BAR1)); + out_be32(&pci->tbatr1, CONFIG_SYS_PCI_TBATR1 | PCI_TBATR_EN); barEn |= PCI_TCR2_B1E; #endif #ifdef CONFIG_SYS_PCI_BAR2 - pci->bar2 = PCI_BAR_BAR2(CONFIG_SYS_PCI_BAR2); - pci->tbatr2 = CONFIG_SYS_PCI_TBATR2 | PCI_TBATR_EN; + out_be32(&pci->bar2, PCI_BAR_BAR2(CONFIG_SYS_PCI_BAR2)); + out_be32(&pci->tbatr2, CONFIG_SYS_PCI_TBATR2 | PCI_TBATR_EN); barEn |= PCI_TCR2_B2E; #endif #ifdef CONFIG_SYS_PCI_BAR3 - pci->bar3 = PCI_BAR_BAR3(CONFIG_SYS_PCI_BAR3); - pci->tbatr3 = CONFIG_SYS_PCI_TBATR3 | PCI_TBATR_EN; + out_be32(&pci->bar3, PCI_BAR_BAR3(CONFIG_SYS_PCI_BAR3)); + out_be32(&pci->tbatr3, CONFIG_SYS_PCI_TBATR3 | PCI_TBATR_EN); barEn |= PCI_TCR2_B3E; #endif #ifdef CONFIG_SYS_PCI_BAR4 - pci->bar4 = PCI_BAR_BAR4(CONFIG_SYS_PCI_BAR4); - pci->tbatr4 = CONFIG_SYS_PCI_TBATR4 | PCI_TBATR_EN; + out_be32(&pci->bar4, PCI_BAR_BAR4(CONFIG_SYS_PCI_BAR4)); + out_be32(&pci->tbatr4, CONFIG_SYS_PCI_TBATR4 | PCI_TBATR_EN); barEn |= PCI_TCR2_B4E; #endif #ifdef CONFIG_SYS_PCI_BAR5 - pci->bar5 = PCI_BAR_BAR5(CONFIG_SYS_PCI_BAR5); - pci->tbatr5 = CONFIG_SYS_PCI_TBATR5 | PCI_TBATR_EN; + out_be32(&pci->bar5, PCI_BAR_BAR5(CONFIG_SYS_PCI_BAR5)); + out_be32(&pci->tbatr5, CONFIG_SYS_PCI_TBATR5 | PCI_TBATR_EN); barEn |= PCI_TCR2_B5E; #endif - pci->tcr2 = barEn; + out_be32(&pci->tcr2, barEn); /* Deassert reset bit */ - pci->gscr &= ~PCI_GSCR_PR; + clrbits_be32(&pci->gscr, PCI_GSCR_PR); udelay(1000); /* Enable PCI bus master support */ |