diff options
Diffstat (limited to 'arch/m68k/cpu/mcf547x_8x/pci.c')
| -rw-r--r-- | arch/m68k/cpu/mcf547x_8x/pci.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/arch/m68k/cpu/mcf547x_8x/pci.c b/arch/m68k/cpu/mcf547x_8x/pci.c deleted file mode 100644 index 74ba68124f1..00000000000 --- a/arch/m68k/cpu/mcf547x_8x/pci.c +++ /dev/null @@ -1,154 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - */ - -/* - * PCI Configuration space access support - */ -#include <common.h> -#include <pci.h> -#include <asm/io.h> -#include <asm/immap.h> -#include <linux/delay.h> - -#if defined(CONFIG_PCI) -/* System RAM mapped over PCI */ -#define CONFIG_SYS_PCI_SYS_MEM_BUS CONFIG_SYS_SDRAM_BASE -#define CONFIG_SYS_PCI_SYS_MEM_PHYS CONFIG_SYS_SDRAM_BASE -#define CONFIG_SYS_PCI_SYS_MEM_SIZE (1024 * 1024 * 1024) - -#define cfg_read(val, addr, type, op) *val = op((type)(addr)); -#define cfg_write(val, addr, type, op) op((type *)(addr), (val)); - -#define PCI_OP(rw, size, type, op, mask) \ -int pci_##rw##_cfg_##size(struct pci_controller *hose, \ - pci_dev_t dev, int offset, type val) \ -{ \ - u32 addr = 0; \ - u16 cfg_type = 0; \ - addr = ((offset & 0xfc) | cfg_type | (dev) | 0x80000000); \ - out_be32(hose->cfg_addr, addr); \ - cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ - __asm__ __volatile__("nop"); \ - __asm__ __volatile__("nop"); \ - out_be32(hose->cfg_addr, addr & 0x7fffffff); \ - return 0; \ -} - -PCI_OP(read, byte, u8 *, in_8, 3) -PCI_OP(read, word, u16 *, in_le16, 2) -PCI_OP(write, byte, u8, out_8, 3) -PCI_OP(write, word, u16, out_le16, 2) -PCI_OP(write, dword, u32, out_le32, 0) - -int pci_read_cfg_dword(struct pci_controller *hose, pci_dev_t dev, - int offset, u32 * val) -{ - u32 addr; - u32 tmpv; - u32 mask = 2; /* word access */ - /* Read lower 16 bits */ - addr = ((offset & 0xfc) | (dev) | 0x80000000); - out_be32(hose->cfg_addr, addr); - *val = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask))); - __asm__ __volatile__("nop"); - out_be32(hose->cfg_addr, addr & 0x7fffffff); - - /* Read upper 16 bits */ - offset += 2; - addr = ((offset & 0xfc) | 1 | (dev) | 0x80000000); - out_be32(hose->cfg_addr, addr); - tmpv = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask))); - __asm__ __volatile__("nop"); - out_be32(hose->cfg_addr, addr & 0x7fffffff); - - /* combine results into dword value */ - *val = (tmpv << 16) | *val; - - return 0; -} - -void pci_mcf547x_8x_init(struct pci_controller *hose) -{ - pci_t *pci = (pci_t *) MMAP_PCI; - gpio_t *gpio = (gpio_t *) MMAP_GPIO; - - /* Port configuration */ - 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 */ - setbits_be32(&pci->gscr, PCI_GSCR_PR); - - out_be32(&pci->tcr1, PCI_TCR1_P); - - /* Initiator windows */ - 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)); - - out_be32(&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->icr, 0); - - /* Enable bus master and mem access */ - out_be32(&pci->scr, PCI_SCR_B | PCI_SCR_M); - - /* Cache line size and master latency */ - out_be32(&pci->cr1, PCI_CR1_CLS(8) | PCI_CR1_LTMR(0xf8)); - out_be32(&pci->cr2, 0); - -#ifdef CONFIG_SYS_PCI_BAR0 - 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 - 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 */ - clrbits_be32(&pci->gscr, PCI_GSCR_PR); - udelay(1000); - - /* Enable PCI bus master support */ - hose->first_busno = 0; - hose->last_busno = 0xff; - - pci_set_region(hose->regions + 0, CONFIG_SYS_PCI_MEM_BUS, CONFIG_SYS_PCI_MEM_PHYS, - CONFIG_SYS_PCI_MEM_SIZE, PCI_REGION_MEM); - - pci_set_region(hose->regions + 1, CONFIG_SYS_PCI_IO_BUS, CONFIG_SYS_PCI_IO_PHYS, - CONFIG_SYS_PCI_IO_SIZE, PCI_REGION_IO); - - pci_set_region(hose->regions + 2, CONFIG_SYS_PCI_SYS_MEM_BUS, - CONFIG_SYS_PCI_SYS_MEM_PHYS, CONFIG_SYS_PCI_SYS_MEM_SIZE, - PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); - - hose->region_count = 3; - - hose->cfg_addr = &(pci->car); - hose->cfg_data = (volatile unsigned char *)CONFIG_SYS_PCI_CFG_BUS; - - pci_set_ops(hose, pci_read_cfg_byte, pci_read_cfg_word, - pci_read_cfg_dword, pci_write_cfg_byte, pci_write_cfg_word, - pci_write_cfg_dword); - - /* Hose scan */ - pci_register_hose(hose); - hose->last_busno = pci_hose_scan(hose); -} -#endif /* CONFIG_PCI */ |