diff options
Diffstat (limited to 'u-boot/board/xes/common/fsl_8xxx_pci.c')
| -rw-r--r-- | u-boot/board/xes/common/fsl_8xxx_pci.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/u-boot/board/xes/common/fsl_8xxx_pci.c b/u-boot/board/xes/common/fsl_8xxx_pci.c new file mode 100644 index 0000000..28c83c7 --- /dev/null +++ b/u-boot/board/xes/common/fsl_8xxx_pci.c @@ -0,0 +1,88 @@ +/* + * Copyright 2008 Extreme Engineering Solutions, Inc. + * Copyright 2007-2008 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <common.h> +#include <pci.h> +#include <asm/fsl_pci.h> +#include <asm/fsl_serdes.h> +#include <asm/io.h> +#include <linux/compiler.h> +#include <libfdt.h> +#include <fdt_support.h> + + +#ifdef CONFIG_PCI1 +static struct pci_controller pci1_hose; +#endif + +void pci_init_board(void) +{ + int first_free_busno = 0; + +#ifdef CONFIG_PCI1 + int pcie_ep; + struct fsl_pci_info pci_info; + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 devdisr = in_be32(&gur->devdisr); + uint pci_spd_norm = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_SPD; + uint pci_32 = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_PCI32; + uint pci_arb = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_ARB; + uint pcix = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1; + uint freq = CONFIG_SYS_CLK_FREQ / 1000 / 1000; + + if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { + SET_STD_PCI_INFO(pci_info, 1); + set_next_law(pci_info.mem_phys, + law_size_bits(pci_info.mem_size), pci_info.law); + set_next_law(pci_info.io_phys, + law_size_bits(pci_info.io_size), pci_info.law); + + pcie_ep = fsl_setup_hose(&pci1_hose, pci_info.regs); + printf("PCI1: %d bit %s, %s %d MHz, %s, %s\n", + pci_32 ? 32 : 64, + pcix ? "PCIX" : "PCI", + pci_spd_norm ? ">=" : "<=", + pcix ? freq * 2 : freq, + pcie_ep ? "agent" : "host", + pci_arb ? "arbiter" : "external-arbiter"); + + first_free_busno = fsl_pci_init_port(&pci_info, + &pci1_hose, first_free_busno); + } else { + printf("PCI1: disabled\n"); + } +#elif defined CONFIG_MPC8548 + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + /* PCI1 not present on MPC8572 */ + setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); +#endif + + fsl_pcie_init_board(first_free_busno); +} + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_pci_setup(void *blob, bd_t *bd) +{ + FT_FSL_PCI_SETUP; +} +#endif /* CONFIG_OF_BOARD_SETUP */ |