diff options
author | Kim Phillips <kim.phillips@freescale.com> | 2008-01-24 20:47:11 -0600 |
---|---|---|
committer | Kumar Gala <galak@kernel.crashing.org> | 2008-01-28 08:33:05 -0600 |
commit | 38f66f90b2f89b3280ab505bd410e199fc461ed6 (patch) | |
tree | 417d9aaf2c2fbd00af3ca71581325e2969e82e7f /arch | |
parent | 71d6fc1d57ce60ecdbee2ad9a5d535959af7a3ce (diff) | |
download | linux-stable-38f66f90b2f89b3280ab505bd410e199fc461ed6.tar.gz linux-stable-38f66f90b2f89b3280ab505bd410e199fc461ed6.tar.bz2 linux-stable-38f66f90b2f89b3280ab505bd410e199fc461ed6.zip |
[POWERPC] 83xx: add MPC837x RDB platform support
primarily based on mpc837x mds code.
Signed-off-by: Joe D'Abbraccio <ljd015@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/platforms/83xx/Kconfig | 8 | ||||
-rw-r--r-- | arch/powerpc/platforms/83xx/Makefile | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/83xx/mpc837x_rdb.c | 99 |
3 files changed, 107 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index 924408cc5a81..ba28882a3914 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -56,6 +56,12 @@ config MPC837x_MDS help This option enables support for the MPC837x MDS Processor Board. +config MPC837x_RDB + bool "Freescale MPC837x RDB" + select DEFAULT_UIMAGE + help + This option enables support for the MPC837x RDB Board. + config SBC834x bool "Wind River SBC834x" select DEFAULT_UIMAGE @@ -92,4 +98,4 @@ config PPC_MPC837x bool select PPC_UDBG_16550 select PPC_INDIRECT_PCI - default y if MPC837x_MDS + default y if MPC837x_MDS || MPC837x_RDB diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile index 2d3cbab5c50b..7e6dd3e259d8 100644 --- a/arch/powerpc/platforms/83xx/Makefile +++ b/arch/powerpc/platforms/83xx/Makefile @@ -11,3 +11,4 @@ obj-$(CONFIG_MPC836x_MDS) += mpc836x_mds.o obj-$(CONFIG_MPC832x_MDS) += mpc832x_mds.o obj-$(CONFIG_MPC837x_MDS) += mpc837x_mds.o obj-$(CONFIG_SBC834x) += sbc834x.o +obj-$(CONFIG_MPC837x_RDB) += mpc837x_rdb.o diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c new file mode 100644 index 000000000000..2293ae51383d --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c @@ -0,0 +1,99 @@ +/* + * arch/powerpc/platforms/83xx/mpc837x_rdb.c + * + * Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved. + * + * MPC837x RDB board specific routines + * + * 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; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/pci.h> +#include <linux/of_platform.h> + +#include <asm/time.h> +#include <asm/ipic.h> +#include <asm/udbg.h> + +#include "mpc83xx.h" + +extern int mpc837x_usb_cfg(void); + +/* ************************************************************************ + * + * Setup the architecture + * + */ +static void __init mpc837x_rdb_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("mpc837x_rdb_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") + mpc83xx_add_bridge(np); +#endif + mpc837x_usb_cfg(); +} + +static struct of_device_id mpc837x_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + {}, +}; + +static int __init mpc837x_declare_of_platform_devices(void) +{ + /* Publish of_device */ + of_platform_bus_probe(NULL, mpc837x_ids, NULL); + + return 0; +} +machine_device_initcall(mpc837x_rdb, mpc837x_declare_of_platform_devices); + +static void __init mpc837x_rdb_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); + if (!np) + return; + + ipic_init(np, 0); + + /* Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); +} + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init mpc837x_rdb_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") || + of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") || + of_flat_dt_is_compatible(root, "fsl,mpc8379rdb"); +} + +define_machine(mpc837x_rdb) { + .name = "MPC837x RDB", + .probe = mpc837x_rdb_probe, + .setup_arch = mpc837x_rdb_setup_arch, + .init_IRQ = mpc837x_rdb_init_IRQ, + .get_irq = ipic_get_irq, + .restart = mpc83xx_restart, + .time_init = mpc83xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; |