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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-15 15:07:35 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-15 15:07:35 (GMT) |
commit | 5f2434a66dfa4701b81b79a78eaf9c32da0f8839 (patch) | |
tree | 8c38f1fb0d0fbcd15e496df89be00ad8c4918a43 /arch/powerpc/platforms/44x/ppc44x_simple.c | |
parent | 278429cff8809958d25415ba0ed32b59866ab1a8 (diff) | |
parent | 6dc6472581f693b5fc95aebedf67b4960fb85cf0 (diff) | |
download | linux-fsl-qoriq-5f2434a66dfa4701b81b79a78eaf9c32da0f8839.tar.xz |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (158 commits)
powerpc: Fix CHRP PCI config access for indirect_pci
powerpc/chrp: Fix detection of Python PCI host bridge on IBM CHRPs
powerpc: Fix 32-bit SMP boot on CHRP
powerpc: Fix link errors on 32-bit machines using legacy DMA
powerpc/pci: Improve detection of unassigned bridge resources
hvc_console: Fix free_irq in spinlocked section
powerpc: Get USE_STRICT_MM_TYPECHECKS working again
powerpc: Reflect the used arguments in machine_init() prototype
powerpc: Fix DMA offset for non-coherent DMA
powerpc: fix fsl_upm nand driver modular build
powerpc/83xx: add NAND support for the MPC8360E-RDK boards
powerpc: FPGA support for GE Fanuc SBC610
i2c: MPC8349E-mITX Power Management and GPIO expander driver
powerpc: reserve two DMA channels for audio in MPC8610 HPCD device tree
powerpc: document the "fsl,ssi-dma-channel" compatible property
powerpc: disable CHRP and PMAC support in various defconfigs
OF: add fsl,mcu-mpc8349emitx to the exception list
powerpc/83xx: add DS1374 RTC support for the MPC837xE-MDS boards
powerpc: remove support for bootmem-allocated memory for the DIU driver
powerpc: remove non-dependent load fsl_booke PTE_64BIT
...
Diffstat (limited to 'arch/powerpc/platforms/44x/ppc44x_simple.c')
-rw-r--r-- | arch/powerpc/platforms/44x/ppc44x_simple.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/44x/ppc44x_simple.c b/arch/powerpc/platforms/44x/ppc44x_simple.c new file mode 100644 index 0000000..2967126 --- /dev/null +++ b/arch/powerpc/platforms/44x/ppc44x_simple.c @@ -0,0 +1,88 @@ +/* + * Generic PowerPC 44x platform support + * + * Copyright 2008 IBM Corporation + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; version 2 of the License. + * + * This implements simple platform support for PowerPC 44x chips. This is + * mostly used for eval boards or other simple and "generic" 44x boards. If + * your board has custom functions or hardware, then you will likely want to + * implement your own board.c file to accommodate it. + */ + +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <asm/ppc4xx.h> +#include <asm/prom.h> +#include <asm/time.h> +#include <asm/udbg.h> +#include <asm/uic.h> + +#include <linux/init.h> +#include <linux/of_platform.h> + +static __initdata struct of_device_id ppc44x_of_bus[] = { + { .compatible = "ibm,plb4", }, + { .compatible = "ibm,opb", }, + { .compatible = "ibm,ebc", }, + { .compatible = "simple-bus", }, + {}, +}; + +static int __init ppc44x_device_probe(void) +{ + of_platform_bus_probe(NULL, ppc44x_of_bus, NULL); + + return 0; +} +machine_device_initcall(ppc44x_simple, ppc44x_device_probe); + +/* This is the list of boards that can be supported by this simple + * platform code. This does _not_ mean the boards are compatible, + * as they most certainly are not from a device tree perspective. + * However, their differences are handled by the device tree and the + * drivers and therefore they don't need custom board support files. + * + * Again, if your board needs to do things differently then create a + * board.c file for it rather than adding it to this list. + */ +static char *board[] __initdata = { + "amcc,arches", + "amcc,bamboo", + "amcc,canyonlands", + "amcc,glacier", + "ibm,ebony", + "amcc,katmai", + "amcc,rainier", + "amcc,sequoia", + "amcc,taishan", + "amcc,yosemite" +}; + +static int __init ppc44x_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + int i = 0; + + for (i = 0; i < ARRAY_SIZE(board); i++) { + if (of_flat_dt_is_compatible(root, board[i])) { + ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC; + return 1; + } + } + + return 0; +} + +define_machine(ppc44x_simple) { + .name = "PowerPC 44x Platform", + .probe = ppc44x_probe, + .progress = udbg_progress, + .init_IRQ = uic_init_tree, + .get_irq = uic_get_irq, + .restart = ppc4xx_reset_system, + .calibrate_decr = generic_calibrate_decr, +}; |