diff options
Diffstat (limited to 'arch/mips/pci/pci-excite.c')
| -rw-r--r-- | arch/mips/pci/pci-excite.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/arch/mips/pci/pci-excite.c b/arch/mips/pci/pci-excite.c deleted file mode 100644 index 8a56876afcc..00000000000 --- a/arch/mips/pci/pci-excite.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Copyright (C) 2004 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslerweb.com> - * Based on the PMC-Sierra Yosemite board support by Ralf Baechle. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/bitops.h> -#include <asm/rm9k-ocd.h> -#include <excite.h> - - -extern struct pci_ops titan_pci_ops; - - -static struct resource - mem_resource = { - .name = "PCI memory", - .start = EXCITE_PHYS_PCI_MEM, - .end = EXCITE_PHYS_PCI_MEM + EXCITE_SIZE_PCI_MEM - 1, - .flags = IORESOURCE_MEM - }, - io_resource = { - .name = "PCI I/O", - .start = EXCITE_PHYS_PCI_IO, - .end = EXCITE_PHYS_PCI_IO + EXCITE_SIZE_PCI_IO - 1, - .flags = IORESOURCE_IO - }; - - -static struct pci_controller bx_controller = { - .pci_ops = &titan_pci_ops, - .mem_resource = &mem_resource, - .mem_offset = 0x00000000UL, - .io_resource = &io_resource, - .io_offset = 0x00000000UL -}; - - -static char - iopage_failed[] __initdata = "Cannot allocate PCI I/O page", - modebits_no_pci[] __initdata = "PCI is not configured in mode bits"; - -#define RM9000x2_OCD_HTSC 0x0604 -#define RM9000x2_OCD_HTBHL 0x060c -#define RM9000x2_OCD_PCIHRST 0x078c - -#define RM9K_OCD_MODEBIT1 0x00d4 /* (MODEBIT1) Mode Bit 1 */ -#define RM9K_OCD_CPHDCR 0x00f4 /* CPU-PCI/HT Data Control. */ - -#define PCISC_FB2B 0x00000200 -#define PCISC_MWICG 0x00000010 -#define PCISC_EMC 0x00000004 -#define PCISC_ERMA 0x00000002 - - - -static int __init basler_excite_pci_setup(void) -{ - const unsigned int fullbars = memsize / (256 << 20); - unsigned int i; - - /* Check modebits to see if PCI is really enabled. */ - if (!((ocd_readl(RM9K_OCD_MODEBIT1) >> (47-32)) & 0x1)) - panic(modebits_no_pci); - - if (NULL == request_mem_region(EXCITE_PHYS_PCI_IO, EXCITE_SIZE_PCI_IO, - "Memory-mapped PCI I/O page")) - panic(iopage_failed); - - /* Enable PCI 0 as master for config cycles */ - ocd_writel(PCISC_EMC | PCISC_ERMA, RM9000x2_OCD_HTSC); - - - /* Set up latency timer */ - ocd_writel(0x8008, RM9000x2_OCD_HTBHL); - - /* Setup host IO and Memory space */ - ocd_writel((EXCITE_PHYS_PCI_IO >> 4) | 1, LKB7); - ocd_writel(((EXCITE_SIZE_PCI_IO >> 4) & 0x7fffff00) - 0x100, LKM7); - ocd_writel((EXCITE_PHYS_PCI_MEM >> 4) | 1, LKB8); - ocd_writel(((EXCITE_SIZE_PCI_MEM >> 4) & 0x7fffff00) - 0x100, LKM8); - - /* Set up PCI BARs to map all installed memory */ - for (i = 0; i < 6; i++) { - const unsigned int bar = 0x610 + i * 4; - - if (i < fullbars) { - ocd_writel(0x10000000 * i, bar); - ocd_writel(0x01000000 * i, bar + 0x140); - ocd_writel(0x0ffff029, bar + 0x100); - continue; - } - - if (i == fullbars) { - int o; - u32 mask; - - const unsigned long rem = memsize - i * 0x10000000; - if (!rem) { - ocd_writel(0x00000000, bar + 0x100); - continue; - } - - o = ffs(rem) - 1; - if (rem & ~(0x1 << o)) - o++; - mask = ((0x1 << o) & 0x0ffff000) - 0x1000; - ocd_writel(0x10000000 * i, bar); - ocd_writel(0x01000000 * i, bar + 0x140); - ocd_writel(0x00000029 | mask, bar + 0x100); - continue; - } - - ocd_writel(0x00000000, bar + 0x100); - } - - /* Finally, enable the PCI interrupt */ -#if USB_IRQ > 7 - set_c0_intcontrol(1 << USB_IRQ); -#else - set_c0_status(1 << (USB_IRQ + 8)); -#endif - - ioport_resource.start = EXCITE_PHYS_PCI_IO; - ioport_resource.end = EXCITE_PHYS_PCI_IO + EXCITE_SIZE_PCI_IO - 1; - set_io_port_base((unsigned long) ioremap_nocache(EXCITE_PHYS_PCI_IO, EXCITE_SIZE_PCI_IO)); - register_pci_controller(&bx_controller); - return 0; -} - - -arch_initcall(basler_excite_pci_setup); |