diff options
author | jchandra <jchandra@FreeBSD.org> | 2012-03-27 15:16:38 +0000 |
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committer | jchandra <jchandra@FreeBSD.org> | 2012-03-27 15:16:38 +0000 |
commit | 1573bb43e46cd43595ead6424ecadfe6a039a035 (patch) | |
tree | ea6dd8ca189ceb4398d96f2cf131c852d6436153 /sys | |
parent | 09a699481b726f6f71f1dfe752f843bb0ca3c78e (diff) | |
download | FreeBSD-src-1573bb43e46cd43595ead6424ecadfe6a039a035.zip FreeBSD-src-1573bb43e46cd43595ead6424ecadfe6a039a035.tar.gz |
NOR flash driver for XLP.
The NOR interface on the SoC appears on the top level PCI bus. Add
a simple driver for this.
Diffstat (limited to 'sys')
-rw-r--r-- | sys/mips/conf/std.XLP | 4 | ||||
-rw-r--r-- | sys/mips/nlm/dev/cfi_pci_xlp.c | 77 | ||||
-rw-r--r-- | sys/mips/nlm/files.xlp | 1 | ||||
-rw-r--r-- | sys/mips/nlm/xlp_pci.c | 11 |
4 files changed, 93 insertions, 0 deletions
diff --git a/sys/mips/conf/std.XLP b/sys/mips/conf/std.XLP index 188a2f9..ce71e36 100644 --- a/sys/mips/conf/std.XLP +++ b/sys/mips/conf/std.XLP @@ -106,3 +106,7 @@ device nlmrsa # Options that use crypto options IPSEC options GEOM_ELI + +# NOR +device cfi +device cfid diff --git a/sys/mips/nlm/dev/cfi_pci_xlp.c b/sys/mips/nlm/dev/cfi_pci_xlp.c new file mode 100644 index 0000000..21ccd5f --- /dev/null +++ b/sys/mips/nlm/dev/cfi_pci_xlp.c @@ -0,0 +1,77 @@ +/*- + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``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 BROADCOM OR CONTRIBUTORS 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/conf.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <machine/bus.h> +#include <sys/rman.h> +#include <machine/resource.h> + +#include <dev/pci/pcivar.h> + +#include <dev/cfi/cfi_var.h> + +#include <mips/nlm/hal/haldefs.h> +#include <mips/nlm/hal/iomap.h> + +static int cfi_xlp_probe(device_t dev); + +static device_method_t cfi_xlp_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, cfi_xlp_probe), + DEVMETHOD(device_attach, cfi_attach), + DEVMETHOD(device_detach, cfi_detach), + DEVMETHOD_END +}; + +static driver_t cfi_xlp_driver = { + cfi_driver_name, + cfi_xlp_methods, + sizeof(struct cfi_softc), +}; + +static int +cfi_xlp_probe(device_t dev) +{ + + if (pci_get_vendor(dev) != PCI_VENDOR_NETLOGIC || + pci_get_device(dev) != PCI_DEVICE_ID_NLM_NOR) + return (ENXIO); + + device_set_desc(dev, "Netlogic XLP NOR Bus"); + return (cfi_probe(dev)); +} + +DRIVER_MODULE(cfi_xlp, pci, cfi_xlp_driver, cfi_devclass, 0, 0); diff --git a/sys/mips/nlm/files.xlp b/sys/mips/nlm/files.xlp index a7703a9..d2809b5 100644 --- a/sys/mips/nlm/files.xlp +++ b/sys/mips/nlm/files.xlp @@ -18,6 +18,7 @@ mips/nlm/usb_init.c optional usb # # Simple SoC devices mips/nlm/dev/uart_pci_xlp.c optional uart +mips/nlm/dev/cfi_pci_xlp.c optional cfi # # Network driver and micro-core code mips/nlm/dev/net/nae.c optional xlpge diff --git a/sys/mips/nlm/xlp_pci.c b/sys/mips/nlm/xlp_pci.c index 95e369c..cca07f7 100644 --- a/sys/mips/nlm/xlp_pci.c +++ b/sys/mips/nlm/xlp_pci.c @@ -62,6 +62,7 @@ __FBSDID("$FreeBSD$"); #include <mips/nlm/hal/mips-extns.h> #include <mips/nlm/hal/pic.h> #include <mips/nlm/hal/bridge.h> +#include <mips/nlm/hal/gbu.h> #include <mips/nlm/hal/pcibus.h> #include <mips/nlm/hal/uart.h> #include <mips/nlm/xlp.h> @@ -479,6 +480,7 @@ assign_soc_resource(device_t child, int type, u_long *startp, u_long *endp, u_long *countp, struct rman **rm, bus_space_tag_t *bst, vm_offset_t *va) { int devid, inst, node, unit; + uint32_t val; devid = pci_get_device(child); inst = pci_get_function(child); @@ -506,6 +508,15 @@ assign_soc_resource(device_t child, int type, u_long *startp, u_long *endp, *rm = &emul_rman; *bst = uart_bus_space_mem; break; + case PCI_DEVICE_ID_NLM_NOR: + /* XXXJC: support multiple chip selects */ + val = nlm_read_pci_reg(nlm_get_gbu_regbase(node), 0); + *startp = val << 8; + *va = MIPS_PHYS_TO_KSEG1(*startp); + /* XXXJC: count is not correct */ + *countp = 0x100; + *rm = &emul_rman; + break; } /* calculate end if allocated */ if (*rm) |