Date: Tue, 13 May 2014 18:24:03 +0000 (UTC) From: Ian Lepore <ian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r265972 - in stable/10/sys: conf powerpc/include powerpc/mpc85xx powerpc/powerpc Message-ID: <201405131824.s4DIO3J2022108@svn.freebsd.org>
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Author: ian Date: Tue May 13 18:24:02 2014 New Revision: 265972 URL: http://svnweb.freebsd.org/changeset/base/265972 Log: MFC r257115, r257116, r257117 Remove dead and duplicated code. Added: stable/10/sys/powerpc/mpc85xx/pci_mpc85xx.c - copied unchanged from r257117, head/sys/powerpc/mpc85xx/pci_mpc85xx.c Deleted: stable/10/sys/powerpc/mpc85xx/pci_fdt.c Modified: stable/10/sys/conf/files.powerpc stable/10/sys/powerpc/include/psl.h stable/10/sys/powerpc/powerpc/exec_machdep.c stable/10/sys/powerpc/powerpc/genassym.c Modified: stable/10/sys/conf/files.powerpc ============================================================================== --- stable/10/sys/conf/files.powerpc Tue May 13 18:14:31 2014 (r265971) +++ stable/10/sys/conf/files.powerpc Tue May 13 18:24:02 2014 (r265972) @@ -136,12 +136,12 @@ powerpc/mpc85xx/i2c.c optional iicbus f powerpc/mpc85xx/isa.c optional mpc85xx isa powerpc/mpc85xx/lbc.c optional mpc85xx powerpc/mpc85xx/mpc85xx.c optional mpc85xx -powerpc/mpc85xx/pci_fdt.c optional pci mpc85xx +powerpc/mpc85xx/pci_mpc85xx.c optional pci mpc85xx powerpc/ofw/ofw_cpu.c optional aim powerpc/ofw/ofw_machdep.c standard -powerpc/ofw/ofw_pci.c optional pci aim -powerpc/ofw/ofw_pcibus.c optional pci aim -powerpc/ofw/ofw_pcib_pci.c optional pci aim +powerpc/ofw/ofw_pci.c optional pci +powerpc/ofw/ofw_pcibus.c optional pci +powerpc/ofw/ofw_pcib_pci.c optional pci powerpc/ofw/ofw_real.c optional aim powerpc/ofw/ofw_syscons.c optional sc aim powerpc/ofw/ofwcall32.S optional aim powerpc Modified: stable/10/sys/powerpc/include/psl.h ============================================================================== --- stable/10/sys/powerpc/include/psl.h Tue May 13 18:14:31 2014 (r265971) +++ stable/10/sys/powerpc/include/psl.h Tue May 13 18:24:02 2014 (r265972) @@ -35,96 +35,44 @@ #ifndef _MACHINE_PSL_H_ #define _MACHINE_PSL_H_ -#if defined(BOOKE_E500) /* - * Machine State Register (MSR) - e500 core - * - * The PowerPC e500 does not implement the following bits: - * - * FP, FE0, FE1 - reserved, always cleared, setting has no effect. - * + * Machine State Register (MSR) - All cores */ +#define PSL_VEC 0x02000000UL /* AltiVec/SPE vector unit available */ +#define PSL_EE 0x00008000UL /* external interrupt enable */ +#define PSL_PR 0x00004000UL /* privilege mode (1 == user) */ +#define PSL_FP 0x00002000UL /* floating point enable */ +#define PSL_ME 0x00001000UL /* machine check enable */ +#define PSL_FE0 0x00000800UL /* floating point interrupt mode 0 */ +#define PSL_BE 0x00000200UL /* branch trace enable */ +#define PSL_FE1 0x00000100UL /* floating point interrupt mode 1 */ +#define PSL_PMM 0x00000004UL /* performance monitor mark */ + +/* Machine State Register - Book-E cores */ #define PSL_UCLE 0x04000000UL /* User mode cache lock enable */ -#define PSL_SPE 0x02000000UL /* SPE enable */ #define PSL_WE 0x00040000UL /* Wait state enable */ #define PSL_CE 0x00020000UL /* Critical interrupt enable */ -#define PSL_EE 0x00008000UL /* External interrupt enable */ -#define PSL_PR 0x00004000UL /* User mode */ -#define PSL_FP 0x00002000UL /* Floating point available */ -#define PSL_ME 0x00001000UL /* Machine check interrupt enable */ -#define PSL_FE0 0x00000800UL /* Floating point exception mode 0 */ -#define PSL_UBLE 0x00000400UL /* BTB lock enable */ +#define PSL_UBLE 0x00000400UL /* BTB lock enable - e500 only */ +#define PSL_DWE 0x00000400UL /* Debug Wait Enable - 440 only*/ #define PSL_DE 0x00000200UL /* Debug interrupt enable */ -#define PSL_FE1 0x00000100UL /* Floating point exception mode 1 */ #define PSL_IS 0x00000020UL /* Instruction address space */ #define PSL_DS 0x00000010UL /* Data address space */ -#define PSL_PMM 0x00000004UL /* Performance monitor mark */ - -#define PSL_FE_DFLT 0x00000000UL /* default == none */ - -/* Initial kernel MSR, use IS=1 ad DS=1. */ -#define PSL_KERNSET_INIT (PSL_IS | PSL_DS) -#define PSL_KERNSET (PSL_CE | PSL_ME | PSL_EE) -#define PSL_USERSET (PSL_KERNSET | PSL_PR) - -#elif defined(BOOKE_PPC4XX) -/* - * Machine State Register (MSR) - PPC4xx core - */ -#define PSL_WE (0x80000000 >> 13) /* Wait State Enable */ -#define PSL_CE (0x80000000 >> 14) /* Critical Interrupt Enable */ -#define PSL_EE (0x80000000 >> 16) /* External Interrupt Enable */ -#define PSL_PR (0x80000000 >> 17) /* Problem State */ -#define PSL_FP (0x80000000 >> 18) /* Floating Point Available */ -#define PSL_ME (0x80000000 >> 19) /* Machine Check Enable */ -#define PSL_FE0 (0x80000000 >> 20) /* Floating-point exception mode 0 */ -#define PSL_DWE (0x80000000 >> 21) /* Debug Wait Enable */ -#define PSL_DE (0x80000000 >> 22) /* Debug interrupt Enable */ -#define PSL_FE1 (0x80000000 >> 23) /* Floating-point exception mode 1 */ -#define PSL_IS (0x80000000 >> 26) /* Instruction Address Space */ -#define PSL_DS (0x80000000 >> 27) /* Data Address Space */ - -#define PSL_KERNSET (PSL_CE | PSL_ME | PSL_EE | PSL_FP) -#define PSL_USERSET (PSL_KERNSET | PSL_PR) - -#define PSL_FE_DFLT 0x00000000UL /* default == none */ - -#else /* if defined(BOOKE_*) */ -/* - * Machine State Register (MSR) - * - * The PowerPC 601 does not implement the following bits: - * - * VEC, POW, ILE, BE, RI, LE[*] - * - * [*] Little-endian mode on the 601 is implemented in the HID0 register. - */ +/* Machine State Register (MSR) - AIM cores */ #ifdef __powerpc64__ #define PSL_SF 0x8000000000000000UL /* 64-bit addressing */ #define PSL_HV 0x1000000000000000UL /* hyper-privileged mode */ #endif -#define PSL_VEC 0x02000000UL /* AltiVec vector unit available */ #define PSL_POW 0x00040000UL /* power management */ #define PSL_ILE 0x00010000UL /* interrupt endian mode (1 == le) */ -#define PSL_EE 0x00008000UL /* external interrupt enable */ -#define PSL_PR 0x00004000UL /* privilege mode (1 == user) */ -#define PSL_FP 0x00002000UL /* floating point enable */ -#define PSL_ME 0x00001000UL /* machine check enable */ -#define PSL_FE0 0x00000800UL /* floating point interrupt mode 0 */ #define PSL_SE 0x00000400UL /* single-step trace enable */ -#define PSL_BE 0x00000200UL /* branch trace enable */ -#define PSL_FE1 0x00000100UL /* floating point interrupt mode 1 */ -#define PSL_IP 0x00000040UL /* interrupt prefix */ +#define PSL_IP 0x00000040UL /* interrupt prefix - 601 only */ #define PSL_IR 0x00000020UL /* instruction address relocation */ #define PSL_DR 0x00000010UL /* data address relocation */ -#define PSL_PMM 0x00000004UL /* performance monitor mark */ #define PSL_RI 0x00000002UL /* recoverable interrupt */ #define PSL_LE 0x00000001UL /* endian mode (1 == le) */ -#define PSL_601_MASK ~(PSL_POW|PSL_ILE|PSL_BE|PSL_RI|PSL_LE) - /* * Floating-point exception modes: */ @@ -134,20 +82,21 @@ #define PSL_FE_PREC (PSL_FE0 | PSL_FE1) /* precise */ #define PSL_FE_DFLT PSL_FE_DIS /* default == none */ -/* - * Note that PSL_POW and PSL_ILE are not in the saved copy of the MSR - */ -#define PSL_MBO 0 -#define PSL_MBZ 0 - +#if defined(BOOKE_E500) +/* Initial kernel MSR, use IS=1 ad DS=1. */ +#define PSL_KERNSET_INIT (PSL_IS | PSL_DS) +#define PSL_KERNSET (PSL_CE | PSL_ME | PSL_EE) +#elif defined(BOOKE_PPC4XX) +#define PSL_KERNSET (PSL_CE | PSL_ME | PSL_EE | PSL_FP) +#elif defined(AIM) #ifdef __powerpc64__ #define PSL_KERNSET (PSL_SF | PSL_EE | PSL_ME | PSL_IR | PSL_DR | PSL_RI) #else #define PSL_KERNSET (PSL_EE | PSL_ME | PSL_IR | PSL_DR | PSL_RI) #endif -#define PSL_USERSET (PSL_KERNSET | PSL_PR) +#endif -#define PSL_USERSTATIC (PSL_USERSET | PSL_IP | 0x87c0008c) +#define PSL_USERSET (PSL_KERNSET | PSL_PR) +#define PSL_USERSTATIC ~(PSL_VEC | PSL_FP | PSL_FE0 | PSL_FE1) -#endif /* if defined(BOOKE_E500) */ #endif /* _MACHINE_PSL_H_ */ Copied: stable/10/sys/powerpc/mpc85xx/pci_mpc85xx.c (from r257117, head/sys/powerpc/mpc85xx/pci_mpc85xx.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/10/sys/powerpc/mpc85xx/pci_mpc85xx.c Tue May 13 18:24:02 2014 (r265972, copy of r257117, head/sys/powerpc/mpc85xx/pci_mpc85xx.c) @@ -0,0 +1,827 @@ +/*- + * 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> +#include <sys/rman.h> +#include <sys/endian.h> + +#include <vm/vm.h> +#include <vm/pmap.h> + +#include <dev/ofw/ofw_pci.h> +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> +#include <dev/pci/pcivar.h> +#include <dev/pci/pcireg.h> +#include <dev/pci/pcib_private.h> + +#include <powerpc/ofw/ofw_pci.h> + +#include "ofw_bus_if.h" +#include "pcib_if.h" + +#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 + +#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)) + +#define REG_PEX_MES_DR 0x0020 +#define REG_PEX_MES_IER 0x0028 +#define REG_PEX_ERR_DR 0x0e00 +#define REG_PEX_ERR_EN 0x0e08 + +#define PCIR_LTSSM 0x404 +#define LTSSM_STAT_L0 0x16 + +#define DEVFN(b, s, f) ((b << 16) | (s << 8) | f) + +struct fsl_pcib_softc { + struct ofw_pci_softc pci_sc; + device_t sc_dev; + + int sc_iomem_target; + bus_addr_t sc_iomem_alloc, sc_iomem_start, sc_iomem_end; + int sc_ioport_target; + bus_addr_t sc_ioport_alloc, sc_ioport_start, sc_ioport_end; + + struct resource *sc_res; + bus_space_handle_t sc_bsh; + bus_space_tag_t sc_bst; + int sc_rid; + + int sc_busnr; + int sc_pcie; + uint8_t sc_pcie_capreg; /* PCI-E Capability Reg Set */ + + /* Devices that need special attention. */ + int sc_devfn_tundra; + int sc_devfn_via_ide; +}; + +/* 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); +static void fsl_pcib_inbound(struct fsl_pcib_softc *, int, int, u_long, + u_long, u_long); +static int fsl_pcib_init(struct fsl_pcib_softc *, int, int); +static void fsl_pcib_outbound(struct fsl_pcib_softc *, int, int, u_long, + u_long, u_long); + +/* 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); + +/* Configuration r/w mutex. */ +struct mtx pcicfg_mtx; +static int mtx_initialized = 0; + +/* + * 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), + + DEVMETHOD_END +}; + +static devclass_t fsl_pcib_devclass; + +DEFINE_CLASS_1(pcib, fsl_pcib_driver, fsl_pcib_methods, + sizeof(struct fsl_pcib_softc), ofw_pci_driver); +DRIVER_MODULE(pcib, fdtbus, fsl_pcib_driver, fsl_pcib_devclass, 0, 0); + +static int +fsl_pcib_probe(device_t dev) +{ + + if (ofw_bus_get_type(dev) == NULL || + strcmp(ofw_bus_get_type(dev), "pci") != 0) + return (ENXIO); + + if (!(ofw_bus_is_compatible(dev, "fsl,mpc8540-pci") || + ofw_bus_is_compatible(dev, "fsl,mpc8548-pcie"))) + 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; + uint32_t cfgreg; + int maxslot, error; + 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; + + if (!mtx_initialized) { + mtx_init(&pcicfg_mtx, "pcicfg", NULL, MTX_SPIN); + mtx_initialized = 1; + } + + 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); + + /* + * Initialize generic OF PCI interface (ranges, etc.) + */ + + error = ofw_pci_init(dev); + if (error) + return (error); + + /* + * 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); + + sc->sc_devfn_tundra = -1; + sc->sc_devfn_via_ide = -1; + + + /* + * Scan bus using firmware configured, 0 based bus numbering. + */ + sc->sc_busnr = 0; + maxslot = (sc->sc_pcie) ? 0 : PCI_SLOTMAX; + fsl_pcib_init(sc, sc->sc_busnr, maxslot); + + 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); + } + } + + fsl_pcib_err_init(dev); + + return (ofw_pci_attach(dev)); + +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; + + if (bus == sc->sc_busnr - 1) + bus = 0; + + 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; + + mtx_lock_spin(&pcicfg_mtx); + 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; + } + mtx_unlock_spin(&pcicfg_mtx); + 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; + + if (bus == sc->sc_busnr - 1) + bus = 0; + + 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; + + mtx_lock_spin(&pcicfg_mtx); + 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; + } + mtx_unlock_spin(&pcicfg_mtx); +} + +#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); + + return ((sc->sc_pcie) ? 0 : PCI_SLOTMAX); +} + +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); + if (devfn == sc->sc_devfn_tundra) + return (~0); + if (devfn == sc->sc_devfn_via_ide && reg == PCIR_INTPIN) + return (1); + 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 +fsl_pcib_init_via(struct fsl_pcib_softc *sc, uint16_t device, int bus, + int slot, int fn) +{ + + if (device == 0x0686) { + fsl_pcib_write_config(sc->sc_dev, bus, slot, fn, 0x52, 0x34, 1); + fsl_pcib_write_config(sc->sc_dev, bus, slot, fn, 0x77, 0x00, 1); + fsl_pcib_write_config(sc->sc_dev, bus, slot, fn, 0x83, 0x98, 1); + fsl_pcib_write_config(sc->sc_dev, bus, slot, fn, 0x85, 0x03, 1); + } else if (device == 0x0571) { + sc->sc_devfn_via_ide = DEVFN(bus, slot, fn); + fsl_pcib_write_config(sc->sc_dev, bus, slot, fn, 0x40, 0x0b, 1); + } +} + +static int +fsl_pcib_init_bar(struct fsl_pcib_softc *sc, int bus, int slot, int func, + int barno) +{ + bus_addr_t *allocp; + uint32_t addr, mask, size; + int reg, width; + + reg = PCIR_BAR(barno); + + if (DEVFN(bus, slot, func) == sc->sc_devfn_via_ide) { + switch (barno) { + case 0: addr = 0x1f0; break; + case 1: addr = 0x3f4; break; + case 2: addr = 0x170; break; + case 3: addr = 0x374; break; + case 4: addr = 0xcc0; break; + default: return (1); + } + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, reg, addr, 4); + return (1); + } + + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, reg, ~0, 4); + size = fsl_pcib_read_config(sc->sc_dev, bus, slot, func, reg, 4); + if (size == 0) + return (1); + width = ((size & 7) == 4) ? 2 : 1; + + if (size & 1) { /* I/O port */ + allocp = &sc->sc_ioport_alloc; + size &= ~3; + if ((size & 0xffff0000) == 0) + size |= 0xffff0000; + } else { /* memory */ + allocp = &sc->sc_iomem_alloc; + size &= ~15; + } + mask = ~size; + size = mask + 1; + /* Sanity check (must be a power of 2). */ + if (size & mask) + return (width); + + addr = (*allocp + mask) & ~mask; + *allocp = addr + size; + + if (bootverbose) + printf("PCI %u:%u:%u:%u: reg %x: size=%08x: addr=%08x\n", + device_get_unit(sc->sc_dev), bus, slot, func, reg, + size, addr); + + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, reg, addr, 4); + if (width == 2) + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, reg + 4, + 0, 4); + return (width); +} + +static int +fsl_pcib_init(struct fsl_pcib_softc *sc, int bus, int maxslot) +{ + int secbus; + int old_pribus, old_secbus, old_subbus; + int new_pribus, new_secbus, new_subbus; + int slot, func, maxfunc; + int bar, maxbar; + uint16_t vendor, device; + uint8_t command, hdrtype, class, subclass; + + secbus = bus; + for (slot = 0; slot <= maxslot; slot++) { + maxfunc = 0; + for (func = 0; func <= maxfunc; func++) { + hdrtype = fsl_pcib_read_config(sc->sc_dev, bus, slot, + func, PCIR_HDRTYPE, 1); + + if ((hdrtype & PCIM_HDRTYPE) > PCI_MAXHDRTYPE) + continue; + + if (func == 0 && (hdrtype & PCIM_MFDEV)) + maxfunc = PCI_FUNCMAX; + + vendor = fsl_pcib_read_config(sc->sc_dev, bus, slot, + func, PCIR_VENDOR, 2); + device = fsl_pcib_read_config(sc->sc_dev, bus, slot, + func, PCIR_DEVICE, 2); + + if (vendor == 0x1957 && device == 0x3fff) { + sc->sc_devfn_tundra = DEVFN(bus, slot, func); + continue; + } + + command = fsl_pcib_read_config(sc->sc_dev, bus, slot, + func, PCIR_COMMAND, 1); + command &= ~(PCIM_CMD_MEMEN | PCIM_CMD_PORTEN); + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_COMMAND, command, 1); + + if (vendor == 0x1106) + fsl_pcib_init_via(sc, device, bus, slot, func); + + /* Program the base address registers. */ + maxbar = (hdrtype & PCIM_HDRTYPE) ? 1 : 6; + bar = 0; + while (bar < maxbar) + bar += fsl_pcib_init_bar(sc, bus, slot, func, + bar); + + /* Put a placeholder interrupt value */ + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_INTLINE, PCI_INVALID_IRQ, 1); + + command |= PCIM_CMD_MEMEN | PCIM_CMD_PORTEN; + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_COMMAND, command, 1); + + /* + * Handle PCI-PCI bridges + */ + class = fsl_pcib_read_config(sc->sc_dev, bus, slot, + func, PCIR_CLASS, 1); + subclass = fsl_pcib_read_config(sc->sc_dev, bus, slot, + func, PCIR_SUBCLASS, 1); + + /* Allow only proper PCI-PCI briges */ + if (class != PCIC_BRIDGE) + continue; + if (subclass != PCIS_BRIDGE_PCI) + continue; + + secbus++; + + /* Program I/O decoder. */ + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_IOBASEL_1, sc->sc_ioport_start >> 8, 1); + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_IOLIMITL_1, sc->sc_ioport_end >> 8, 1); + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_IOBASEH_1, sc->sc_ioport_start >> 16, 2); + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_IOLIMITH_1, sc->sc_ioport_end >> 16, 2); + + /* Program (non-prefetchable) memory decoder. */ + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_MEMBASE_1, sc->sc_iomem_start >> 16, 2); + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_MEMLIMIT_1, sc->sc_iomem_end >> 16, 2); + + /* Program prefetchable memory decoder. */ + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_PMBASEL_1, 0x0010, 2); + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_PMLIMITL_1, 0x000f, 2); + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_PMBASEH_1, 0x00000000, 4); + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_PMLIMITH_1, 0x00000000, 4); + + /* Read currect bus register configuration */ + old_pribus = fsl_pcib_read_config(sc->sc_dev, bus, + slot, func, PCIR_PRIBUS_1, 1); + old_secbus = fsl_pcib_read_config(sc->sc_dev, bus, + slot, func, PCIR_SECBUS_1, 1); + old_subbus = fsl_pcib_read_config(sc->sc_dev, bus, + slot, func, PCIR_SUBBUS_1, 1); + + if (bootverbose) + printf("PCI: reading firmware bus numbers for " + "secbus = %d (bus/sec/sub) = (%d/%d/%d)\n", + secbus, old_pribus, old_secbus, old_subbus); + + new_pribus = bus; + new_secbus = secbus; + + secbus = fsl_pcib_init(sc, secbus, + (subclass == PCIS_BRIDGE_PCI) ? PCI_SLOTMAX : 0); + + new_subbus = secbus; + + if (bootverbose) + printf("PCI: translate firmware bus numbers " + "for secbus %d (%d/%d/%d) -> (%d/%d/%d)\n", + secbus, old_pribus, old_secbus, old_subbus, + new_pribus, new_secbus, new_subbus); + + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_PRIBUS_1, new_pribus, 1); + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_SECBUS_1, new_secbus, 1); + fsl_pcib_write_config(sc->sc_dev, bus, slot, func, + PCIR_SUBBUS_1, new_subbus, 1); + } + } + + return (secbus); +} + +static void +fsl_pcib_inbound(struct fsl_pcib_softc *sc, int wnd, int tgt, u_long start, + u_long size, u_long pci_start) +{ + uint32_t attr, bar, tar; + + KASSERT(wnd > 0, ("%s: inbound window 0 is invalid", __func__)); + + switch (tgt) { + /* XXX OCP85XX_TGTIF_RAM2, OCP85XX_TGTIF_RAM_INTL should be handled */ + case OCP85XX_TGTIF_RAM1: + attr = 0xa0f55000 | (ffsl(size) - 2); + break; + default: + attr = 0; + 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 +fsl_pcib_outbound(struct fsl_pcib_softc *sc, int wnd, int res, u_long start, + u_long size, u_long pci_start) +{ + uint32_t attr, bar, tar; + + switch (res) { + case SYS_RES_MEMORY: + attr = 0x80044000 | (ffsl(size) - 2); + break; + case SYS_RES_IOPORT: + attr = 0x80088000 | (ffsl(size) - 2); + 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, + sc->sc_pcie_capreg + PCIER_DEVICE_STA, 2); + if (dsr) + fsl_pcib_cfgwrite(sc, 0, 0, 0, + sc->sc_pcie_capreg + PCIER_DEVICE_STA, + 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, + sc->sc_pcie_capreg + PCIER_DEVICE_CTL, 4); + dcr |= PCIEM_CTL_URR_ENABLE | PCIEM_CTL_FER_ENABLE | + PCIEM_CTL_NFER_ENABLE; + fsl_pcib_cfgwrite(sc, 0, 0, 0, + sc->sc_pcie_capreg + PCIER_DEVICE_CTL, dcr, 4); + } +} + +static int +fsl_pcib_detach(device_t dev) +{ + + if (mtx_initialized) { + mtx_destroy(&pcicfg_mtx); + mtx_initialized = 0; + } + return (bus_generic_detach(dev)); +} + +static int +fsl_pcib_decode_win(phandle_t node, struct fsl_pcib_softc *sc) +{ + device_t dev; + int error, i, trgt; + + dev = sc->sc_dev; + + fsl_pcib_outbound(sc, 0, -1, 0, 0, 0); + + /* + * 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); + } + + 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); + sc->sc_ioport_start = sc->pci_sc.sc_range[i].host; + sc->sc_ioport_end = sc->pci_sc.sc_range[i].host + + sc->pci_sc.sc_range[i].size; + sc->sc_ioport_alloc = 0x1000 + sc->pci_sc.sc_range[i].pci; + 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); + sc->sc_iomem_start = sc->pci_sc.sc_range[i].host; + sc->sc_iomem_end = sc->pci_sc.sc_range[i].host + + sc->pci_sc.sc_range[i].size; + sc->sc_iomem_alloc = sc->pci_sc.sc_range[i].pci; + 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); + } + } + + /* + * 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); + fsl_pcib_inbound(sc, 3, OCP85XX_TGTIF_RAM1, 0, + 2U * 1024U * 1024U * 1024U, 0); + + return (0); +} + Modified: stable/10/sys/powerpc/powerpc/exec_machdep.c ============================================================================== --- stable/10/sys/powerpc/powerpc/exec_machdep.c Tue May 13 18:14:31 2014 (r265971) +++ stable/10/sys/powerpc/powerpc/exec_machdep.c Tue May 13 18:24:02 2014 (r265972) @@ -449,14 +449,12 @@ set_mcontext(struct thread *td, const mc if (mcp->mc_vers != _MC_VERSION || mcp->mc_len != sizeof(*mcp)) return (EINVAL); *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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