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freebsd-nq/sys/powerpc/mpc85xx/pci_mpc85xx.c

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Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
/*-
sys/powerpc: further adoption of SPDX licensing ID tags. Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
2017-11-27 15:09:59 +00:00
* SPDX-License-Identifier: BSD-3-Clause
*
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
* Copyright 2006-2007 by Juniper Networks.
* Copyright 2008 Semihalf.
* Copyright 2010 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by Semihalf
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* From: FreeBSD: src/sys/powerpc/mpc85xx/pci_ocp.c,v 1.9 2010/03/23 23:46:28 marcel
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ktr.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/socket.h>
#include <sys/queue.h>
#include <sys/bus.h>
#include <sys/lock.h>
#include <sys/mutex.h>
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
#include <sys/queue.h>
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
#include <sys/rman.h>
#include <sys/endian.h>
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
#include <sys/vmem.h>
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
#include <vm/vm.h>
#include <vm/pmap.h>
Revert r295756: Extract common code from PowerPC's ofw_pci Import portions of the PowerPC OF PCI implementation into new file "ofw_pci.c", common for other platforms. The files ofw_pci.c and ofw_pci.h from sys/powerpc/ofw no longer exist. All required declarations are moved to sys/dev/ofw/ofw_pci.h. This creates a new ofw_pci_write_ivar() function and modifies ofw_pci_nranges(), ofw_pci_read_ivar(), ofw_pci_route_interrupt() methods. Most functions contain existing ppc implementations in the majority unchanged. Now there is no need to have multiple identical copies of methods for various architectures. Submitted by: Marcin Mazurek <mma@semihalf.com> Obtained from: Semihalf Sponsored by: Annapurna Labs Reviewed by: jhibbits, mmel Differential Revision: https://reviews.freebsd.org/D4879 This needs to return to the drawing board as it breaks both PowerPC and Sparc64 build. Pointed out by: jhibbits
2016-02-20 12:28:20 +00:00
#include <dev/ofw/ofw_pci.h>
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
Reduce OFW PCI code duplication - involves ARM, PPC and SPARC64 Import portions of the PowerPC OF PCI implementation into new file "ofwpci.c", common for other platforms. The files ofw_pci.c and ofw_pci.h from sys/powerpc/ofw no longer exist. All required declarations are moved to sys/dev/ofw/ofwpci.h. This creates a new ofw_pci_write_ivar() function and modifies some others methods. Most functions contain existing ppc implementations in the majority unchanged. Now there is no need to have multiple identical copies of methods for various architectures. Requested by: jhibbits Reviewed by: jhibbits, marius Submitted by: Marcin Mazurek <mma@semihalf.com> Obtained from: Semihalf Sponsored by: Annapurna Labs Differential Revision: https://reviews.freebsd.org/D4879
2016-03-29 15:19:56 +00:00
#include <dev/ofw/ofwpci.h>
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcib_private.h>
#include "ofw_bus_if.h"
#include "pcib_if.h"
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
#include "pic_if.h"
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
#include <machine/resource.h>
#include <machine/bus.h>
#include <machine/intr_machdep.h>
#include <powerpc/mpc85xx/mpc85xx.h>
#define REG_CFG_ADDR 0x0000
#define CONFIG_ACCESS_ENABLE 0x80000000
#define REG_CFG_DATA 0x0004
#define REG_INT_ACK 0x0008
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
#define REG_PEX_IP_BLK_REV1 0x0bf8
#define IP_MJ_M 0x0000ff00
#define IP_MJ_S 8
#define IP_MN_M 0x000000ff
#define IP_MN_S 0
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
#define REG_POTAR(n) (0x0c00 + 0x20 * (n))
#define REG_POTEAR(n) (0x0c04 + 0x20 * (n))
#define REG_POWBAR(n) (0x0c08 + 0x20 * (n))
#define REG_POWAR(n) (0x0c10 + 0x20 * (n))
#define REG_PITAR(n) (0x0e00 - 0x20 * (n))
#define REG_PIWBAR(n) (0x0e08 - 0x20 * (n))
#define REG_PIWBEAR(n) (0x0e0c - 0x20 * (n))
#define REG_PIWAR(n) (0x0e10 - 0x20 * (n))
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
#define PIWAR_EN 0x80000000
#define PIWAR_PF 0x40000000
#define PIWAR_TRGT_M 0x00f00000
#define PIWAR_TRGT_S 20
#define PIWAR_TRGT_CCSR 0xe
#define PIWAR_TRGT_LOCAL 0xf
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
#define REG_PEX_MES_DR 0x0020
#define REG_PEX_MES_IER 0x0028
#define REG_PEX_ERR_DR 0x0e00
#define REG_PEX_ERR_EN 0x0e08
Add error interrupt handler for Freescale PCI errors This eliminates a 'interrupt storm' warning spam with the P5020. Obtained from: Semihalf
2016-01-03 15:24:57 +00:00
#define REG_PEX_ERR_DR 0x0e00
#define REG_PEX_ERR_DR_ME 0x80000000
#define REG_PEX_ERR_DR_PCT 0x800000
#define REG_PEX_ERR_DR_PAT 0x400000
#define REG_PEX_ERR_DR_PCAC 0x200000
#define REG_PEX_ERR_DR_PNM 0x100000
#define REG_PEX_ERR_DR_CDNSC 0x80000
#define REG_PEX_ERR_DR_CRSNC 0x40000
#define REG_PEX_ERR_DR_ICCA 0x20000
#define REG_PEX_ERR_DR_IACA 0x10000
#define REG_PEX_ERR_DR_CRST 0x8000
#define REG_PEX_ERR_DR_MIS 0x4000
#define REG_PEX_ERR_DR_IOIS 0x2000
#define REG_PEX_ERR_DR_CIS 0x1000
#define REG_PEX_ERR_DR_CIEP 0x800
#define REG_PEX_ERR_DR_IOIEP 0x400
#define REG_PEX_ERR_DR_OAC 0x200
#define REG_PEX_ERR_DR_IOIA 0x100
#define REG_PEX_ERR_DR_IMBA 0x80
#define REG_PEX_ERR_DR_IIOBA 0x40
#define REG_PEX_ERR_DR_LDDE 0x20
#define REG_PEX_ERR_EN 0x0e08
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
#define PCIR_LTSSM 0x404
#define LTSSM_STAT_L0 0x16
#define DEVFN(b, s, f) ((b << 16) | (s << 8) | f)
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
#define FSL_NUM_MSIS 256 /* 8 registers of 32 bits (8 hardware IRQs) */
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
struct fsl_pcib_softc {
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
struct ofw_pci_softc pci_sc;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
device_t sc_dev;
powerpc/mpc85xx: Replace global PCI config mutex with per-controller mutex PCI controllers need to enforce exclusive config register access on their own bus, not between all buses.
2019-10-19 01:07:35 +00:00
struct mtx sc_cfg_mtx;
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
int sc_ip_maj;
int sc_ip_min;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
int sc_iomem_target;
Modernize mpc85xx PCI hostbridge driver. Summary: * Take advantage of NEW_PCIB to remove a lot of setup code. * Fix some bugs related to multiple PCI bridges. There's still room for more cleanup, and still some bugs leftover, but this cleans up a lot. Test Plan: Tested on P5020 board with IDT PCIe switch. Differential Revision: https://reviews.freebsd.org/D4127
2015-11-22 01:16:43 +00:00
bus_addr_t sc_iomem_start, sc_iomem_end;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
int sc_ioport_target;
Modernize mpc85xx PCI hostbridge driver. Summary: * Take advantage of NEW_PCIB to remove a lot of setup code. * Fix some bugs related to multiple PCI bridges. There's still room for more cleanup, and still some bugs leftover, but this cleans up a lot. Test Plan: Tested on P5020 board with IDT PCIe switch. Differential Revision: https://reviews.freebsd.org/D4127
2015-11-22 01:16:43 +00:00
bus_addr_t sc_ioport_start, sc_ioport_end;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
struct resource *sc_res;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
bus_space_handle_t sc_bsh;
bus_space_tag_t sc_bst;
int sc_rid;
Add error interrupt handler for Freescale PCI errors This eliminates a 'interrupt storm' warning spam with the P5020. Obtained from: Semihalf
2016-01-03 15:24:57 +00:00
struct resource *sc_irq_res;
void *sc_ih;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
int sc_busnr;
int sc_pcie;
uint8_t sc_pcie_capreg; /* PCI-E Capability Reg Set */
};
Add error interrupt handler for Freescale PCI errors This eliminates a 'interrupt storm' warning spam with the P5020. Obtained from: Semihalf
2016-01-03 15:24:57 +00:00
struct fsl_pcib_err_dr {
const char *msg;
uint32_t err_dr_mask;
};
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
struct fsl_msi_map {
SLIST_ENTRY(fsl_msi_map) slist;
uint32_t irq_base;
bus_addr_t target;
};
SLIST_HEAD(msi_head, fsl_msi_map) fsl_msis = SLIST_HEAD_INITIALIZER(msi_head);
Add error interrupt handler for Freescale PCI errors This eliminates a 'interrupt storm' warning spam with the P5020. Obtained from: Semihalf
2016-01-03 15:24:57 +00:00
static const struct fsl_pcib_err_dr pci_err[] = {
{"ME", REG_PEX_ERR_DR_ME},
{"PCT", REG_PEX_ERR_DR_PCT},
{"PAT", REG_PEX_ERR_DR_PAT},
{"PCAC", REG_PEX_ERR_DR_PCAC},
{"PNM", REG_PEX_ERR_DR_PNM},
{"CDNSC", REG_PEX_ERR_DR_CDNSC},
{"CRSNC", REG_PEX_ERR_DR_CRSNC},
{"ICCA", REG_PEX_ERR_DR_ICCA},
{"IACA", REG_PEX_ERR_DR_IACA},
{"CRST", REG_PEX_ERR_DR_CRST},
{"MIS", REG_PEX_ERR_DR_MIS},
{"IOIS", REG_PEX_ERR_DR_IOIS},
{"CIS", REG_PEX_ERR_DR_CIS},
{"CIEP", REG_PEX_ERR_DR_CIEP},
{"IOIEP", REG_PEX_ERR_DR_IOIEP},
{"OAC", REG_PEX_ERR_DR_OAC},
{"IOIA", REG_PEX_ERR_DR_IOIA},
{"IMBA", REG_PEX_ERR_DR_IMBA},
{"IIOBA", REG_PEX_ERR_DR_IIOBA},
{"LDDE", REG_PEX_ERR_DR_LDDE}
};
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
/* Local forward declerations. */
static uint32_t fsl_pcib_cfgread(struct fsl_pcib_softc *, u_int, u_int, u_int,
u_int, int);
static void fsl_pcib_cfgwrite(struct fsl_pcib_softc *, u_int, u_int, u_int,
u_int, uint32_t, int);
static int fsl_pcib_decode_win(phandle_t, struct fsl_pcib_softc *);
static void fsl_pcib_err_init(device_t);
Use 64-bit addresses for configuring inbound and outbound address windows. This allows using the full host and PCI ranges in the controller configuration.
2015-11-03 00:54:14 +00:00
static void fsl_pcib_inbound(struct fsl_pcib_softc *, int, int, uint64_t,
uint64_t, uint64_t);
static void fsl_pcib_outbound(struct fsl_pcib_softc *, int, int, uint64_t,
uint64_t, uint64_t);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
/* Forward declerations. */
static int fsl_pcib_attach(device_t);
static int fsl_pcib_detach(device_t);
static int fsl_pcib_probe(device_t);
static int fsl_pcib_maxslots(device_t);
static uint32_t fsl_pcib_read_config(device_t, u_int, u_int, u_int, u_int, int);
static void fsl_pcib_write_config(device_t, u_int, u_int, u_int, u_int,
uint32_t, int);
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
static int fsl_pcib_alloc_msi(device_t dev, device_t child,
int count, int maxcount, int *irqs);
static int fsl_pcib_release_msi(device_t dev, device_t child,
int count, int *irqs);
static int fsl_pcib_alloc_msix(device_t dev, device_t child, int *irq);
static int fsl_pcib_release_msix(device_t dev, device_t child, int irq);
static int fsl_pcib_map_msi(device_t dev, device_t child,
int irq, uint64_t *addr, uint32_t *data);
static vmem_t *msi_vmem; /* Global MSI vmem, holds all MSI ranges. */
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
/*
* Bus interface definitions.
*/
static device_method_t fsl_pcib_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, fsl_pcib_probe),
DEVMETHOD(device_attach, fsl_pcib_attach),
DEVMETHOD(device_detach, fsl_pcib_detach),
/* pcib interface */
DEVMETHOD(pcib_maxslots, fsl_pcib_maxslots),
DEVMETHOD(pcib_read_config, fsl_pcib_read_config),
DEVMETHOD(pcib_write_config, fsl_pcib_write_config),
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
DEVMETHOD(pcib_alloc_msi, fsl_pcib_alloc_msi),
DEVMETHOD(pcib_release_msi, fsl_pcib_release_msi),
DEVMETHOD(pcib_alloc_msix, fsl_pcib_alloc_msix),
DEVMETHOD(pcib_release_msix, fsl_pcib_release_msix),
DEVMETHOD(pcib_map_msi, fsl_pcib_map_msi),
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
- There's no need to overwrite the default device method with the default one. Interestingly, these are actually the default for quite some time (bus_generic_driver_added(9) since r52045 and bus_generic_print_child(9) since r52045) but even recently added device drivers do this unnecessarily. Discussed with: jhb, marcel - While at it, use DEVMETHOD_END. Discussed with: jhb - Also while at it, use __FBSDID.
2011-11-22 21:28:20 +00:00
DEVMETHOD_END
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
};
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
static devclass_t fsl_pcib_devclass;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
DEFINE_CLASS_1(pcib, fsl_pcib_driver, fsl_pcib_methods,
sizeof(struct fsl_pcib_softc), ofw_pci_driver);
powerpc/mpc85xx: Attach MPC85xx PCI bus and root complex at the right pass No signifcant change, just matches other PCI attachments, attaching at BUS_PASS_BUS. MFC after: 2 weeks
2019-05-04 16:24:43 +00:00
EARLY_DRIVER_MODULE(pcib, ofwbus, fsl_pcib_driver, fsl_pcib_devclass, 0, 0,
BUS_PASS_BUS);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
powerpc/mpc85xx: Fix function type for fsl_pcib_error_intr() Since it's only called as an interrupt handler, fsl_pcib_eror_intr() should just match the driver_intr_t type. Reported by: bdragon
2019-10-16 03:03:59 +00:00
static void
Add error interrupt handler for Freescale PCI errors This eliminates a 'interrupt storm' warning spam with the P5020. Obtained from: Semihalf
2016-01-03 15:24:57 +00:00
fsl_pcib_err_intr(void *v)
{
struct fsl_pcib_softc *sc;
device_t dev;
uint32_t err_reg, clear_reg;
uint8_t i;
dev = (device_t)v;
sc = device_get_softc(dev);
clear_reg = 0;
err_reg = bus_space_read_4(sc->sc_bst, sc->sc_bsh, REG_PEX_ERR_DR);
/* Check which one error occurred */
for (i = 0; i < sizeof(pci_err)/sizeof(struct fsl_pcib_err_dr); i++) {
if (err_reg & pci_err[i].err_dr_mask) {
device_printf(dev, "PCI %d: report %s error\n",
device_get_unit(dev), pci_err[i].msg);
clear_reg |= pci_err[i].err_dr_mask;
}
}
/* Clear pending errors */
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PEX_ERR_DR, clear_reg);
}
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
static int
fsl_pcib_probe(device_t dev)
{
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
if (ofw_bus_get_type(dev) == NULL ||
strcmp(ofw_bus_get_type(dev), "pci") != 0)
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
return (ENXIO);
Fix the interrupt code, broken 7 months ago. The interrupt framework already supported nested PICs, but was limited to having a nested AT-PIC only. With G5 support the need for nested OpenPIC controllers needed to be added. This was done the wrong way and broke the MPC8555 eval system in the process. OFW, as well as FDT, describe the interrupt routing in terms of a controller and an interrupt pin on it. This needs to be mapped to a flat and global resource: the IRQ. The IRQ is the same as the PCI intline and as such needs to be representable in 8 bits. Secondly, ISA support pretty much dictates that IRQ 0-15 should be reserved for ISA interrupts, because of the internal workins of south bridges. Both were broken. This change reverts revision 209298 for a big part and re-implements it simpler. In particular: o The id() method of the PIC I/F is removed again. It's not needed. o The openpic_attach() function has been changed to take the OFW or FDT phandle of the controller as a second argument. All bus attachments that previously used openpic_attach() as the attach method of the device I/F now implement as bus-specific method and pass the phandle_t to the renamed openpic_attach(). o Change powerpc_register_pic() to take a few more arguments. In particular: - Pass the number of IPIs specificly. The number of IRQs carved out for a PIC is the sum of the number of int. pins and IPIs. - Pass a flag indicating whether the PIC is an AT-PIC or not. This tells the interrupt framework whether to assign IRQ 0-15 or some other range. o Until we implement proper multi-pass bus enumeration, we have to handle the case where we need to map from PIC+pin to IRQ *before* the PIC gets registered. This is done in a similar way as before, but rather than carving out 256 IRQs per PIC, we carve out 128 IRQs (124 pins + 4 IPIs). This is supposed to handle the G5 case, but should really be fixed properly using multiple passes. o Have the interrupt framework set root_pic in most cases and not put that burden in PIC drivers (for the most part). o Remove powerpc_ign_lookup() and replace it with powerpc_get_irq(). Remove IGN_SHIFT, INTR_INTLINE and INTR_IGN. Related to the above, fix the Freescale PCI controller driver, broken by the FDT code. Besides not attaching properly, bus numbers were assigned improperly and enumeration was broken in general. This prevented the AT PIC from being discovered and interrupt routing to work properly. Consequently, the ata(4) controller stopped functioning. Fix the driver, and FDT PCI support, enough to get the MPC8555CDS going again. The FDT PCI code needs a whole lot more work. No breakages are expected, but lackiong G5 hardware, it's possible that there are unpleasant side-effects. At least MPC85xx support is back to where it was 7 months ago -- it's amazing how badly support can be broken in just 7 months... Sponsored by: Juniper Networks
2011-01-29 20:58:38 +00:00
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
if (!(ofw_bus_is_compatible(dev, "fsl,mpc8540-pci") ||
Be more flexible about which compatible strings to accept. This brings up the PCI Express bus on the RB800 using the firmware device tree.
2013-11-11 15:44:20 +00:00
ofw_bus_is_compatible(dev, "fsl,mpc8540-pcie") ||
The Freescale qoriq PCIe controller is compatible with mpc85xx. Add the compatible checks. Obtained from: Semihalf (partial) Sponsored by: Alex Perez/Inertial Computing
2015-08-26 03:37:33 +00:00
ofw_bus_is_compatible(dev, "fsl,mpc8548-pcie") ||
ofw_bus_is_compatible(dev, "fsl,p5020-pcie") ||
ofw_bus_is_compatible(dev, "fsl,qoriq-pcie-v2.2") ||
ofw_bus_is_compatible(dev, "fsl,qoriq-pcie")))
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
return (ENXIO);
device_set_desc(dev, "Freescale Integrated PCI/PCI-E Controller");
return (BUS_PROBE_DEFAULT);
}
static int
fsl_pcib_attach(device_t dev)
{
struct fsl_pcib_softc *sc;
phandle_t node;
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
uint32_t cfgreg, brctl, ipreg;
powerpc/booke: Simplify the MPC85XX PCIe root complex driver Summary: Due to bugs in the enumeration code, fsl_pcib_init() was not configuring sub-bridges properly, so devices hanging off a separate bridge would not be found. Since the generic PCI code already supports probing child buses, just delete this code and initialize only the device itself, letting the generic code handle all the additional probing and initializing. This also deletes setup for some PCI peripherals found on some MPC85XX evaluation boards. The code can be resurrected if needed, but overly complicated this code in the first place. Reviewed by: bdragon Differential Revision: https://reviews.freebsd.org/D22050
2019-10-24 03:51:33 +00:00
int error, rid;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
uint8_t ltssm, capptr;
sc = device_get_softc(dev);
sc->sc_dev = dev;
sc->sc_rid = 0;
sc->sc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_rid,
RF_ACTIVE);
if (sc->sc_res == NULL) {
device_printf(dev, "could not map I/O memory\n");
return (ENXIO);
}
sc->sc_bst = rman_get_bustag(sc->sc_res);
sc->sc_bsh = rman_get_bushandle(sc->sc_res);
sc->sc_busnr = 0;
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
ipreg = bus_read_4(sc->sc_res, REG_PEX_IP_BLK_REV1);
sc->sc_ip_min = (ipreg & IP_MN_M) >> IP_MN_S;
sc->sc_ip_maj = (ipreg & IP_MJ_M) >> IP_MJ_S;
powerpc/mpc85xx: Replace global PCI config mutex with per-controller mutex PCI controllers need to enforce exclusive config register access on their own bus, not between all buses.
2019-10-19 01:07:35 +00:00
mtx_init(&sc->sc_cfg_mtx, "pcicfg", NULL, MTX_SPIN);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
cfgreg = fsl_pcib_cfgread(sc, 0, 0, 0, PCIR_VENDOR, 2);
if (cfgreg != 0x1057 && cfgreg != 0x1957)
goto err;
capptr = fsl_pcib_cfgread(sc, 0, 0, 0, PCIR_CAP_PTR, 1);
while (capptr != 0) {
cfgreg = fsl_pcib_cfgread(sc, 0, 0, 0, capptr, 2);
switch (cfgreg & 0xff) {
case PCIY_PCIX:
break;
case PCIY_EXPRESS:
sc->sc_pcie = 1;
sc->sc_pcie_capreg = capptr;
break;
}
capptr = (cfgreg >> 8) & 0xff;
}
node = ofw_bus_get_node(dev);
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
/*
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
* Initialize generic OF PCI interface (ranges, etc.)
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
*/
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
error = ofw_pci_init(dev);
if (error)
return (error);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
/*
* Configure decode windows for PCI(E) access.
*/
if (fsl_pcib_decode_win(node, sc) != 0)
goto err;
cfgreg = fsl_pcib_cfgread(sc, 0, 0, 0, PCIR_COMMAND, 2);
cfgreg |= PCIM_CMD_SERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN |
PCIM_CMD_PORTEN;
fsl_pcib_cfgwrite(sc, 0, 0, 0, PCIR_COMMAND, cfgreg, 2);
powerpc/booke: Simplify the MPC85XX PCIe root complex driver Summary: Due to bugs in the enumeration code, fsl_pcib_init() was not configuring sub-bridges properly, so devices hanging off a separate bridge would not be found. Since the generic PCI code already supports probing child buses, just delete this code and initialize only the device itself, letting the generic code handle all the additional probing and initializing. This also deletes setup for some PCI peripherals found on some MPC85XX evaluation boards. The code can be resurrected if needed, but overly complicated this code in the first place. Reviewed by: bdragon Differential Revision: https://reviews.freebsd.org/D22050
2019-10-24 03:51:33 +00:00
/* Reset the bus. Needed for Radeon video cards. */
brctl = fsl_pcib_read_config(sc->sc_dev, 0, 0, 0,
PCIR_BRIDGECTL_1, 1);
brctl |= PCIB_BCR_SECBUS_RESET;
fsl_pcib_write_config(sc->sc_dev, 0, 0, 0,
PCIR_BRIDGECTL_1, brctl, 1);
DELAY(100000);
brctl &= ~PCIB_BCR_SECBUS_RESET;
fsl_pcib_write_config(sc->sc_dev, 0, 0, 0,
PCIR_BRIDGECTL_1, brctl, 1);
DELAY(100000);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
if (sc->sc_pcie) {
ltssm = fsl_pcib_cfgread(sc, 0, 0, 0, PCIR_LTSSM, 1);
if (ltssm < LTSSM_STAT_L0) {
if (bootverbose)
printf("PCI %d: no PCIE link, skipping\n",
device_get_unit(dev));
return (0);
}
}
Add error interrupt handler for Freescale PCI errors This eliminates a 'interrupt storm' warning spam with the P5020. Obtained from: Semihalf
2016-01-03 15:24:57 +00:00
/* Allocate irq */
Initialize the rid for input. Left uninitialized, random rid causes the IRQ setup to fail, and the PCI device to not be attached.
2016-01-03 15:35:01 +00:00
rid = 0;
Add error interrupt handler for Freescale PCI errors This eliminates a 'interrupt storm' warning spam with the P5020. Obtained from: Semihalf
2016-01-03 15:24:57 +00:00
sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
RF_ACTIVE | RF_SHAREABLE);
if (sc->sc_irq_res == NULL) {
error = fsl_pcib_detach(dev);
if (error != 0) {
device_printf(dev,
"Detach of the driver failed with error %d\n",
error);
}
return (ENXIO);
}
/* Setup interrupt handler */
error = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_MISC | INTR_MPSAFE,
powerpc/mpc85xx: Fix function type for fsl_pcib_error_intr() Since it's only called as an interrupt handler, fsl_pcib_eror_intr() should just match the driver_intr_t type. Reported by: bdragon
2019-10-16 03:03:59 +00:00
NULL, fsl_pcib_err_intr, dev, &sc->sc_ih);
Add error interrupt handler for Freescale PCI errors This eliminates a 'interrupt storm' warning spam with the P5020. Obtained from: Semihalf
2016-01-03 15:24:57 +00:00
if (error != 0) {
device_printf(dev, "Could not setup irq, %d\n", error);
sc->sc_ih = NULL;
error = fsl_pcib_detach(dev);
if (error != 0) {
device_printf(dev,
"Detach of the driver failed with error %d\n",
error);
}
return (ENXIO);
}
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
fsl_pcib_err_init(dev);
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
return (ofw_pci_attach(dev));
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
err:
return (ENXIO);
}
static uint32_t
fsl_pcib_cfgread(struct fsl_pcib_softc *sc, u_int bus, u_int slot, u_int func,
u_int reg, int bytes)
{
uint32_t addr, data;
addr = CONFIG_ACCESS_ENABLE;
addr |= (bus & 0xff) << 16;
addr |= (slot & 0x1f) << 11;
addr |= (func & 0x7) << 8;
addr |= reg & 0xfc;
if (sc->sc_pcie)
addr |= (reg & 0xf00) << 16;
powerpc/mpc85xx: Replace global PCI config mutex with per-controller mutex PCI controllers need to enforce exclusive config register access on their own bus, not between all buses.
2019-10-19 01:07:35 +00:00
mtx_lock_spin(&sc->sc_cfg_mtx);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_CFG_ADDR, addr);
switch (bytes) {
case 1:
data = bus_space_read_1(sc->sc_bst, sc->sc_bsh,
REG_CFG_DATA + (reg & 3));
break;
case 2:
data = le16toh(bus_space_read_2(sc->sc_bst, sc->sc_bsh,
REG_CFG_DATA + (reg & 2)));
break;
case 4:
data = le32toh(bus_space_read_4(sc->sc_bst, sc->sc_bsh,
REG_CFG_DATA));
break;
default:
data = ~0;
break;
}
powerpc/mpc85xx: Replace global PCI config mutex with per-controller mutex PCI controllers need to enforce exclusive config register access on their own bus, not between all buses.
2019-10-19 01:07:35 +00:00
mtx_unlock_spin(&sc->sc_cfg_mtx);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
return (data);
}
static void
fsl_pcib_cfgwrite(struct fsl_pcib_softc *sc, u_int bus, u_int slot, u_int func,
u_int reg, uint32_t data, int bytes)
{
uint32_t addr;
addr = CONFIG_ACCESS_ENABLE;
addr |= (bus & 0xff) << 16;
addr |= (slot & 0x1f) << 11;
addr |= (func & 0x7) << 8;
addr |= reg & 0xfc;
if (sc->sc_pcie)
addr |= (reg & 0xf00) << 16;
powerpc/mpc85xx: Replace global PCI config mutex with per-controller mutex PCI controllers need to enforce exclusive config register access on their own bus, not between all buses.
2019-10-19 01:07:35 +00:00
mtx_lock_spin(&sc->sc_cfg_mtx);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_CFG_ADDR, addr);
switch (bytes) {
case 1:
bus_space_write_1(sc->sc_bst, sc->sc_bsh,
REG_CFG_DATA + (reg & 3), data);
break;
case 2:
bus_space_write_2(sc->sc_bst, sc->sc_bsh,
REG_CFG_DATA + (reg & 2), htole16(data));
break;
case 4:
bus_space_write_4(sc->sc_bst, sc->sc_bsh,
REG_CFG_DATA, htole32(data));
break;
}
powerpc/mpc85xx: Replace global PCI config mutex with per-controller mutex PCI controllers need to enforce exclusive config register access on their own bus, not between all buses.
2019-10-19 01:07:35 +00:00
mtx_unlock_spin(&sc->sc_cfg_mtx);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
}
#if 0
static void
dump(struct fsl_pcib_softc *sc)
{
unsigned int i;
#define RD(o) bus_space_read_4(sc->sc_bst, sc->sc_bsh, o)
for (i = 0; i < 5; i++) {
printf("POTAR%u =0x%08x\n", i, RD(REG_POTAR(i)));
printf("POTEAR%u =0x%08x\n", i, RD(REG_POTEAR(i)));
printf("POWBAR%u =0x%08x\n", i, RD(REG_POWBAR(i)));
printf("POWAR%u =0x%08x\n", i, RD(REG_POWAR(i)));
}
printf("\n");
for (i = 1; i < 4; i++) {
printf("PITAR%u =0x%08x\n", i, RD(REG_PITAR(i)));
printf("PIWBAR%u =0x%08x\n", i, RD(REG_PIWBAR(i)));
printf("PIWBEAR%u=0x%08x\n", i, RD(REG_PIWBEAR(i)));
printf("PIWAR%u =0x%08x\n", i, RD(REG_PIWAR(i)));
}
printf("\n");
#undef RD
for (i = 0; i < 0x48; i += 4) {
printf("cfg%02x=0x%08x\n", i, fsl_pcib_cfgread(sc, 0, 0, 0,
i, 4));
}
}
#endif
static int
fsl_pcib_maxslots(device_t dev)
{
struct fsl_pcib_softc *sc = device_get_softc(dev);
Fix the interrupt code, broken 7 months ago. The interrupt framework already supported nested PICs, but was limited to having a nested AT-PIC only. With G5 support the need for nested OpenPIC controllers needed to be added. This was done the wrong way and broke the MPC8555 eval system in the process. OFW, as well as FDT, describe the interrupt routing in terms of a controller and an interrupt pin on it. This needs to be mapped to a flat and global resource: the IRQ. The IRQ is the same as the PCI intline and as such needs to be representable in 8 bits. Secondly, ISA support pretty much dictates that IRQ 0-15 should be reserved for ISA interrupts, because of the internal workins of south bridges. Both were broken. This change reverts revision 209298 for a big part and re-implements it simpler. In particular: o The id() method of the PIC I/F is removed again. It's not needed. o The openpic_attach() function has been changed to take the OFW or FDT phandle of the controller as a second argument. All bus attachments that previously used openpic_attach() as the attach method of the device I/F now implement as bus-specific method and pass the phandle_t to the renamed openpic_attach(). o Change powerpc_register_pic() to take a few more arguments. In particular: - Pass the number of IPIs specificly. The number of IRQs carved out for a PIC is the sum of the number of int. pins and IPIs. - Pass a flag indicating whether the PIC is an AT-PIC or not. This tells the interrupt framework whether to assign IRQ 0-15 or some other range. o Until we implement proper multi-pass bus enumeration, we have to handle the case where we need to map from PIC+pin to IRQ *before* the PIC gets registered. This is done in a similar way as before, but rather than carving out 256 IRQs per PIC, we carve out 128 IRQs (124 pins + 4 IPIs). This is supposed to handle the G5 case, but should really be fixed properly using multiple passes. o Have the interrupt framework set root_pic in most cases and not put that burden in PIC drivers (for the most part). o Remove powerpc_ign_lookup() and replace it with powerpc_get_irq(). Remove IGN_SHIFT, INTR_INTLINE and INTR_IGN. Related to the above, fix the Freescale PCI controller driver, broken by the FDT code. Besides not attaching properly, bus numbers were assigned improperly and enumeration was broken in general. This prevented the AT PIC from being discovered and interrupt routing to work properly. Consequently, the ata(4) controller stopped functioning. Fix the driver, and FDT PCI support, enough to get the MPC8555CDS going again. The FDT PCI code needs a whole lot more work. No breakages are expected, but lackiong G5 hardware, it's possible that there are unpleasant side-effects. At least MPC85xx support is back to where it was 7 months ago -- it's amazing how badly support can be broken in just 7 months... Sponsored by: Juniper Networks
2011-01-29 20:58:38 +00:00
return ((sc->sc_pcie) ? 0 : PCI_SLOTMAX);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
}
static uint32_t
fsl_pcib_read_config(device_t dev, u_int bus, u_int slot, u_int func,
u_int reg, int bytes)
{
struct fsl_pcib_softc *sc = device_get_softc(dev);
u_int devfn;
if (bus == sc->sc_busnr && !sc->sc_pcie && slot < 10)
return (~0);
devfn = DEVFN(bus, slot, func);
powerpc/booke: Simplify the MPC85XX PCIe root complex driver Summary: Due to bugs in the enumeration code, fsl_pcib_init() was not configuring sub-bridges properly, so devices hanging off a separate bridge would not be found. Since the generic PCI code already supports probing child buses, just delete this code and initialize only the device itself, letting the generic code handle all the additional probing and initializing. This also deletes setup for some PCI peripherals found on some MPC85XX evaluation boards. The code can be resurrected if needed, but overly complicated this code in the first place. Reviewed by: bdragon Differential Revision: https://reviews.freebsd.org/D22050
2019-10-24 03:51:33 +00:00
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
return (fsl_pcib_cfgread(sc, bus, slot, func, reg, bytes));
}
static void
fsl_pcib_write_config(device_t dev, u_int bus, u_int slot, u_int func,
u_int reg, uint32_t val, int bytes)
{
struct fsl_pcib_softc *sc = device_get_softc(dev);
if (bus == sc->sc_busnr && !sc->sc_pcie && slot < 10)
return;
fsl_pcib_cfgwrite(sc, bus, slot, func, reg, val, bytes);
}
static void
Use 64-bit addresses for configuring inbound and outbound address windows. This allows using the full host and PCI ranges in the controller configuration.
2015-11-03 00:54:14 +00:00
fsl_pcib_inbound(struct fsl_pcib_softc *sc, int wnd, int tgt, uint64_t start,
uint64_t size, uint64_t pci_start)
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
{
uint32_t attr, bar, tar;
KASSERT(wnd > 0, ("%s: inbound window 0 is invalid", __func__));
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
attr = PIWAR_EN;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
switch (tgt) {
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
case -1:
attr &= ~PIWAR_EN;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
break;
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
case PIWAR_TRGT_LOCAL:
attr |= (ffsl(size) - 2);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
default:
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
attr |= (tgt << PIWAR_TRGT_S);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
break;
}
tar = start >> 12;
bar = pci_start >> 12;
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PITAR(wnd), tar);
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PIWBEAR(wnd), 0);
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PIWBAR(wnd), bar);
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PIWAR(wnd), attr);
}
static void
Use 64-bit addresses for configuring inbound and outbound address windows. This allows using the full host and PCI ranges in the controller configuration.
2015-11-03 00:54:14 +00:00
fsl_pcib_outbound(struct fsl_pcib_softc *sc, int wnd, int res, uint64_t start,
uint64_t size, uint64_t pci_start)
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
{
uint32_t attr, bar, tar;
switch (res) {
case SYS_RES_MEMORY:
Modernize mpc85xx PCI hostbridge driver. Summary: * Take advantage of NEW_PCIB to remove a lot of setup code. * Fix some bugs related to multiple PCI bridges. There's still room for more cleanup, and still some bugs leftover, but this cleans up a lot. Test Plan: Tested on P5020 board with IDT PCIe switch. Differential Revision: https://reviews.freebsd.org/D4127
2015-11-22 01:16:43 +00:00
attr = 0x80044000 | (ffsll(size) - 2);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
break;
case SYS_RES_IOPORT:
Modernize mpc85xx PCI hostbridge driver. Summary: * Take advantage of NEW_PCIB to remove a lot of setup code. * Fix some bugs related to multiple PCI bridges. There's still room for more cleanup, and still some bugs leftover, but this cleans up a lot. Test Plan: Tested on P5020 board with IDT PCIe switch. Differential Revision: https://reviews.freebsd.org/D4127
2015-11-22 01:16:43 +00:00
attr = 0x80088000 | (ffsll(size) - 2);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
break;
default:
attr = 0x0004401f;
break;
}
bar = start >> 12;
tar = pci_start >> 12;
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_POTAR(wnd), tar);
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_POTEAR(wnd), 0);
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_POWBAR(wnd), bar);
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_POWAR(wnd), attr);
}
static void
fsl_pcib_err_init(device_t dev)
{
struct fsl_pcib_softc *sc;
uint16_t sec_stat, dsr;
uint32_t dcr, err_en;
sc = device_get_softc(dev);
sec_stat = fsl_pcib_cfgread(sc, 0, 0, 0, PCIR_SECSTAT_1, 2);
if (sec_stat)
fsl_pcib_cfgwrite(sc, 0, 0, 0, PCIR_SECSTAT_1, 0xffff, 2);
if (sc->sc_pcie) {
/* Clear error bits */
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PEX_MES_IER,
0xffffffff);
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PEX_MES_DR,
0xffffffff);
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PEX_ERR_DR,
0xffffffff);
dsr = fsl_pcib_cfgread(sc, 0, 0, 0,
Align the PCI Express #defines with the style used for the PCI-X #defines. This also has the advantage that it makes the names more compact, iand also allows us to correct the non-uniform naming of the PCIM_LINK_* defines, making them all consistent amongst themselves. This is a mostly mechanical rename: s/PCIR_EXPRESS_/PCIER_/g s/PCIM_EXP_/PCIEM_/g s/PCIM_LINK_/PCIEM_LINK_/g When this is MFC'd, #defines will be added for the old names to assist out-of-tree drivers. Discussed with: jhb MFC after: 1 week
2012-09-18 22:04:59 +00:00
sc->sc_pcie_capreg + PCIER_DEVICE_STA, 2);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
if (dsr)
fsl_pcib_cfgwrite(sc, 0, 0, 0,
Align the PCI Express #defines with the style used for the PCI-X #defines. This also has the advantage that it makes the names more compact, iand also allows us to correct the non-uniform naming of the PCIM_LINK_* defines, making them all consistent amongst themselves. This is a mostly mechanical rename: s/PCIR_EXPRESS_/PCIER_/g s/PCIM_EXP_/PCIEM_/g s/PCIM_LINK_/PCIEM_LINK_/g When this is MFC'd, #defines will be added for the old names to assist out-of-tree drivers. Discussed with: jhb MFC after: 1 week
2012-09-18 22:04:59 +00:00
sc->sc_pcie_capreg + PCIER_DEVICE_STA,
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
0xffff, 2);
/* Enable all errors reporting */
err_en = 0x00bfff00;
bus_space_write_4(sc->sc_bst, sc->sc_bsh, REG_PEX_ERR_EN,
err_en);
/* Enable error reporting: URR, FER, NFER */
dcr = fsl_pcib_cfgread(sc, 0, 0, 0,
Align the PCI Express #defines with the style used for the PCI-X #defines. This also has the advantage that it makes the names more compact, iand also allows us to correct the non-uniform naming of the PCIM_LINK_* defines, making them all consistent amongst themselves. This is a mostly mechanical rename: s/PCIR_EXPRESS_/PCIER_/g s/PCIM_EXP_/PCIEM_/g s/PCIM_LINK_/PCIEM_LINK_/g When this is MFC'd, #defines will be added for the old names to assist out-of-tree drivers. Discussed with: jhb MFC after: 1 week
2012-09-18 22:04:59 +00:00
sc->sc_pcie_capreg + PCIER_DEVICE_CTL, 4);
dcr |= PCIEM_CTL_URR_ENABLE | PCIEM_CTL_FER_ENABLE |
PCIEM_CTL_NFER_ENABLE;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
fsl_pcib_cfgwrite(sc, 0, 0, 0,
Align the PCI Express #defines with the style used for the PCI-X #defines. This also has the advantage that it makes the names more compact, iand also allows us to correct the non-uniform naming of the PCIM_LINK_* defines, making them all consistent amongst themselves. This is a mostly mechanical rename: s/PCIR_EXPRESS_/PCIER_/g s/PCIM_EXP_/PCIEM_/g s/PCIM_LINK_/PCIEM_LINK_/g When this is MFC'd, #defines will be added for the old names to assist out-of-tree drivers. Discussed with: jhb MFC after: 1 week
2012-09-18 22:04:59 +00:00
sc->sc_pcie_capreg + PCIER_DEVICE_CTL, dcr, 4);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
}
}
static int
fsl_pcib_detach(device_t dev)
{
powerpc/mpc85xx: Replace global PCI config mutex with per-controller mutex PCI controllers need to enforce exclusive config register access on their own bus, not between all buses.
2019-10-19 01:07:35 +00:00
struct fsl_pcib_softc *sc;
sc = device_get_softc(dev);
mtx_destroy(&sc->sc_cfg_mtx);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
return (bus_generic_detach(dev));
}
static int
fsl_pcib_decode_win(phandle_t node, struct fsl_pcib_softc *sc)
{
device_t dev;
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
int error, i, trgt;
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
dev = sc->sc_dev;
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
fsl_pcib_outbound(sc, 0, -1, 0, 0, 0);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
/*
* Configure LAW decode windows.
*/
error = law_pci_target(sc->sc_res, &sc->sc_iomem_target,
&sc->sc_ioport_target);
if (error != 0) {
device_printf(dev, "could not retrieve PCI LAW target info\n");
return (error);
}
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
for (i = 0; i < sc->pci_sc.sc_nrange; i++) {
switch (sc->pci_sc.sc_range[i].pci_hi &
OFW_PCI_PHYS_HI_SPACEMASK) {
case OFW_PCI_PHYS_HI_SPACE_CONFIG:
continue;
case OFW_PCI_PHYS_HI_SPACE_IO:
trgt = sc->sc_ioport_target;
fsl_pcib_outbound(sc, 2, SYS_RES_IOPORT,
sc->pci_sc.sc_range[i].host,
sc->pci_sc.sc_range[i].size,
sc->pci_sc.sc_range[i].pci);
Use the correct space (PCI addresses) for the I/O and memory ranges. PCIR_IOBASE/IOLIMIT/... all use PCI-space addresses, not host addresses.
2015-11-03 00:21:23 +00:00
sc->sc_ioport_start = sc->pci_sc.sc_range[i].pci;
sc->sc_ioport_end = sc->pci_sc.sc_range[i].pci +
sc->pci_sc.sc_range[i].size - 1;
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
break;
case OFW_PCI_PHYS_HI_SPACE_MEM32:
case OFW_PCI_PHYS_HI_SPACE_MEM64:
trgt = sc->sc_iomem_target;
fsl_pcib_outbound(sc, 1, SYS_RES_MEMORY,
sc->pci_sc.sc_range[i].host,
sc->pci_sc.sc_range[i].size,
sc->pci_sc.sc_range[i].pci);
Use the correct space (PCI addresses) for the I/O and memory ranges. PCIR_IOBASE/IOLIMIT/... all use PCI-space addresses, not host addresses.
2015-11-03 00:21:23 +00:00
sc->sc_iomem_start = sc->pci_sc.sc_range[i].pci;
sc->sc_iomem_end = sc->pci_sc.sc_range[i].pci +
sc->pci_sc.sc_range[i].size - 1;
Convert e500 PCI driver to use common PPC PCI bus glue. No functional changes.
2013-10-25 14:43:16 +00:00
break;
default:
panic("Unknown range type %#x\n",
sc->pci_sc.sc_range[i].pci_hi &
OFW_PCI_PHYS_HI_SPACEMASK);
}
error = law_enable(trgt, sc->pci_sc.sc_range[i].host,
sc->pci_sc.sc_range[i].size);
if (error != 0) {
device_printf(dev, "could not program LAW for range "
"%d\n", i);
return (error);
}
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
}
/*
* Set outbout and inbound windows.
*/
fsl_pcib_outbound(sc, 3, -1, 0, 0, 0);
fsl_pcib_outbound(sc, 4, -1, 0, 0, 0);
fsl_pcib_inbound(sc, 1, -1, 0, 0, 0);
fsl_pcib_inbound(sc, 2, -1, 0, 0, 0);
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
fsl_pcib_inbound(sc, 3, PIWAR_TRGT_LOCAL, 0,
ptoa(Maxmem), 0);
/* Direct-map the CCSR for MSIs. */
/* Freescale PCIe 2.x has a dedicated MSI window. */
/* inbound window 8 makes it hit 0xD00 offset, the MSI window. */
if (sc->sc_ip_maj >= 2)
fsl_pcib_inbound(sc, 8, PIWAR_TRGT_CCSR, ccsrbar_pa,
ccsrbar_size, ccsrbar_pa);
else
fsl_pcib_inbound(sc, 1, PIWAR_TRGT_CCSR, ccsrbar_pa,
ccsrbar_size, ccsrbar_pa);
return (0);
}
static int fsl_pcib_alloc_msi(device_t dev, device_t child,
int count, int maxcount, int *irqs)
{
struct fsl_pcib_softc *sc;
vmem_addr_t start;
int err, i;
sc = device_get_softc(dev);
if (msi_vmem == NULL)
return (ENODEV);
err = vmem_xalloc(msi_vmem, count, powerof2(count), 0, 0,
VMEM_ADDR_MIN, VMEM_ADDR_MAX, M_BESTFIT | M_WAITOK, &start);
if (err)
return (err);
for (i = 0; i < count; i++)
irqs[i] = start + i;
return (0);
}
static int fsl_pcib_release_msi(device_t dev, device_t child,
int count, int *irqs)
{
if (msi_vmem == NULL)
return (ENODEV);
vmem_xfree(msi_vmem, irqs[0], count);
return (0);
}
static int fsl_pcib_alloc_msix(device_t dev, device_t child, int *irq)
{
return (fsl_pcib_alloc_msi(dev, child, 1, 1, irq));
}
static int fsl_pcib_release_msix(device_t dev, device_t child, int irq)
{
return (fsl_pcib_release_msi(dev, child, 1, &irq));
}
static int fsl_pcib_map_msi(device_t dev, device_t child,
int irq, uint64_t *addr, uint32_t *data)
{
struct fsl_msi_map *mp;
SLIST_FOREACH(mp, &fsl_msis, slist) {
if (irq >= mp->irq_base && irq < mp->irq_base + FSL_NUM_MSIS)
break;
}
if (mp == NULL)
return (ENODEV);
*data = (irq & 255);
*addr = ccsrbar_pa + mp->target;
return (0);
}
/*
* Linux device trees put the msi@<x> as children of the SoC, with ranges based
* on the CCSR. Since rman doesn't permit overlapping or sub-ranges between
* devices (bus_space_subregion(9) could do it, but let's not touch the PIC
* driver just to allocate a subregion for a sibling driver). This driver will
* use ccsr_write() and ccsr_read() instead.
*/
#define FSL_NUM_IRQS 8
#define FSL_NUM_MSI_PER_IRQ 32
#define FSL_MSI_TARGET 0x140
struct fsl_msi_softc {
vm_offset_t sc_base;
vm_offset_t sc_target;
int sc_msi_base_irq;
struct fsl_msi_map sc_map;
struct fsl_msi_irq {
/* This struct gets passed as the filter private data. */
struct fsl_msi_softc *sc_ptr; /* Pointer back to softc. */
struct resource *res;
int irq;
void *cookie;
int vectors[FSL_NUM_MSI_PER_IRQ];
vm_offset_t reg;
} sc_msi_irq[FSL_NUM_IRQS];
};
static int
fsl_msi_intr_filter(void *priv)
{
struct fsl_msi_irq *data = priv;
uint32_t reg;
int i;
reg = ccsr_read4(ccsrbar_va + data->reg);
i = 0;
while (reg != 0) {
if (reg & 1)
powerpc_dispatch_intr(data->vectors[i], NULL);
reg >>= 1;
i++;
}
return (FILTER_HANDLED);
}
static int
fsl_msi_probe(device_t dev)
{
if (!ofw_bus_is_compatible(dev, "fsl,mpic-msi"))
return (ENXIO);
device_set_desc(dev, "Freescale MSI");
return (BUS_PROBE_DEFAULT);
}
static int
fsl_msi_attach(device_t dev)
{
struct fsl_msi_softc *sc;
struct fsl_msi_irq *irq;
int i;
sc = device_get_softc(dev);
if (msi_vmem == NULL)
msi_vmem = vmem_create("MPIC MSI", 0, 0, 1, 1, M_BESTFIT | M_WAITOK);
/* Manually play with resource entries. */
sc->sc_base = bus_get_resource_start(dev, SYS_RES_MEMORY, 0);
sc->sc_map.target = bus_get_resource_start(dev, SYS_RES_MEMORY, 1);
if (sc->sc_map.target == 0)
sc->sc_map.target = sc->sc_base + FSL_MSI_TARGET;
for (i = 0; i < FSL_NUM_IRQS; i++) {
irq = &sc->sc_msi_irq[i];
irq->irq = i;
irq->reg = sc->sc_base + 16 * i;
irq->res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&irq->irq, RF_ACTIVE);
bus_setup_intr(dev, irq->res, INTR_TYPE_MISC | INTR_MPSAFE,
fsl_msi_intr_filter, NULL, irq, &irq->cookie);
}
sc->sc_map.irq_base = powerpc_register_pic(dev, ofw_bus_get_node(dev),
FSL_NUM_MSIS, 0, 0);
/* Let vmem and the IRQ subsystem work their magic for allocations. */
vmem_add(msi_vmem, sc->sc_map.irq_base, FSL_NUM_MSIS, M_WAITOK);
SLIST_INSERT_HEAD(&fsl_msis, &sc->sc_map, slist);
Convert Freescale PowerPC platforms to FDT convention. The following systems are affected: - MPC8555CDS - MPC8572DS This overhaul covers the following major changes: - All integrated peripherals drivers for Freescale MPC85XX SoC, which are currently in the FreeBSD source tree are reworked and adjusted so they derive config data out of the device tree blob (instead of hard coded / tabelarized values). - This includes: LBC, PCI / PCI-Express, I2C, DS1553, OpenPIC, TSEC, SEC, QUICC, UART, CFI. - Thanks to the common FDT infrastrucutre (fdtbus, simplebus) we retire ocpbus(4) driver, which was based on hard-coded config data. Note that world for these platforms has to be built WITH_FDT. Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-07-11 21:08:29 +00:00
return (0);
}
powerpc/mpc85xx: Add MSI support for Freescale PowerPC SoCs Freescale SoCs use a set of IRQs at the high end of the OpenPIC IRQ list, not counted in the NIRQs of the Feature reporting register. Some SoCs include a MSI inbound window in the PCIe controller configuration registers as well, but some don't. Currently, this only handles the SoCs *with* the MSI window. There are 256 MSIs per MSI bank (32 per MSI IRQ, 8 IRQs per MSI bank). The P5020 has 3 banks, yielding up to 768 MSIs; older SoCs have only one bank.
2019-11-08 03:36:19 +00:00
static void
fsl_msi_enable(device_t dev, u_int irq, u_int vector, void **priv)
{
struct fsl_msi_softc *sc;
struct fsl_msi_irq *irqd;
sc = device_get_softc(dev);
irqd = &sc->sc_msi_irq[irq / FSL_NUM_MSI_PER_IRQ];
irqd->vectors[irq % FSL_NUM_MSI_PER_IRQ] = vector;
}
static device_method_t fsl_msi_methods[] = {
DEVMETHOD(device_probe, fsl_msi_probe),
DEVMETHOD(device_attach, fsl_msi_attach),
DEVMETHOD(pic_enable, fsl_msi_enable),
DEVMETHOD_END
};
static devclass_t fsl_msi_devclass;
static driver_t fsl_msi_driver = {
"fsl_msi",
fsl_msi_methods,
sizeof(struct fsl_msi_softc)
};
EARLY_DRIVER_MODULE(fsl_msi, simplebus, fsl_msi_driver, fsl_msi_devclass, 0, 0,
BUS_PASS_INTERRUPT + 1);
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