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![Kumar Gala](/assets/img/avatar_default.png)
Add support for the P4080DS board, with the following features: * 36-bit only * Boots from NOR flash * FMAN drivers NOT supported * SPD DDR initialization Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com> Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com> Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org> Signed-off-by: Ashish Kalra <Ashish.Kalra@freescale.com> Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com> Signed-off-by: Dave Liu <daveliu@freescale.com> Signed-off-by: Lan Chunhe-B25806 <b25806@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Andy Fleming <afleming@freescale.com> Signed-off-by: York Sun <yorksun@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
128 lines
3.8 KiB
C
128 lines
3.8 KiB
C
/*
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* Copyright 2007-2010 Freescale Semiconductor, Inc.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <pci.h>
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#include <asm/fsl_pci.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <asm/fsl_serdes.h>
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#ifdef CONFIG_PCIE1
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static struct pci_controller pcie1_hose;
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#endif
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#ifdef CONFIG_PCIE2
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static struct pci_controller pcie2_hose;
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#endif
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#ifdef CONFIG_PCIE3
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static struct pci_controller pcie3_hose;
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#endif
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void pci_init_board(void)
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{
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volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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struct fsl_pci_info pci_info[3];
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u32 devdisr;
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int first_free_busno = 0;
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int num = 0;
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int pcie_ep, pcie_configured;
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devdisr = in_be32(&gur->devdisr);
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debug (" pci_init_board: devdisr=%x\n", devdisr);
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#ifdef CONFIG_PCIE1
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pcie_configured = is_serdes_configured(PCIE1);
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if (pcie_configured && !(devdisr & FSL_CORENET_DEVDISR_PCIE1)) {
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set_next_law(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_512M,
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LAW_TRGT_IF_PCIE_1);
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set_next_law(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_64K,
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LAW_TRGT_IF_PCIE_1);
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SET_STD_PCIE_INFO(pci_info[num], 1);
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pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
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printf(" PCIE1 connected to Slot 1 as %s (base addr %lx)\n",
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pcie_ep ? "End Point" : "Root Complex",
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pci_info[num].regs);
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first_free_busno = fsl_pci_init_port(&pci_info[num++],
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&pcie1_hose, first_free_busno);
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} else {
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printf (" PCIE1: disabled\n");
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}
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#else
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setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_PCIE1); /* disable */
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#endif
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#ifdef CONFIG_PCIE2
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pcie_configured = is_serdes_configured(PCIE2);
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if (pcie_configured && !(devdisr & FSL_CORENET_DEVDISR_PCIE2)) {
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set_next_law(CONFIG_SYS_PCIE2_MEM_PHYS, LAW_SIZE_512M,
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LAW_TRGT_IF_PCIE_2);
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set_next_law(CONFIG_SYS_PCIE2_IO_PHYS, LAW_SIZE_64K,
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LAW_TRGT_IF_PCIE_2);
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SET_STD_PCIE_INFO(pci_info[num], 2);
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pcie_ep = fsl_setup_hose(&pcie2_hose, pci_info[num].regs);
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printf(" PCIE2 connected to Slot 3 as %s (base addr %lx)\n",
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pcie_ep ? "End Point" : "Root Complex",
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pci_info[num].regs);
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first_free_busno = fsl_pci_init_port(&pci_info[num++],
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&pcie2_hose, first_free_busno);
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} else {
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printf (" PCIE2: disabled\n");
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}
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#else
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setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_PCIE2); /* disable */
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#endif
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#ifdef CONFIG_PCIE3
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pcie_configured = is_serdes_configured(PCIE3);
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if (pcie_configured && !(devdisr & FSL_CORENET_DEVDISR_PCIE3)) {
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set_next_law(CONFIG_SYS_PCIE3_MEM_PHYS, LAW_SIZE_512M,
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LAW_TRGT_IF_PCIE_3);
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set_next_law(CONFIG_SYS_PCIE3_IO_PHYS, LAW_SIZE_64K,
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LAW_TRGT_IF_PCIE_3);
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SET_STD_PCIE_INFO(pci_info[num], 3);
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pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info[num].regs);
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printf(" PCIE3 connected to Slot 2 as %s (base addr %lx)\n",
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pcie_ep ? "End Point" : "Root Complex",
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pci_info[num].regs);
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first_free_busno = fsl_pci_init_port(&pci_info[num++],
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&pcie3_hose, first_free_busno);
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} else {
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printf (" PCIE3: disabled\n");
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}
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#else
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setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_PCIE3); /* disable */
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#endif
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}
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void pci_of_setup(void *blob, bd_t *bd)
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{
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FT_FSL_PCI_SETUP;
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}
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