diff options
Diffstat (limited to 'arch/powerpc/platforms/83xx')
| -rw-r--r-- | arch/powerpc/platforms/83xx/Kconfig | 9 | ||||
| -rw-r--r-- | arch/powerpc/platforms/83xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/83xx/sbc834x.c | 115 |
3 files changed, 124 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index 2430ac84049..782bff0c322 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -55,6 +55,13 @@ config MPC837x_MDS select DEFAULT_UIMAGE help This option enables support for the MPC837x MDS Processor Board. + +config SBC834x + bool "Wind River SBC834x" + select DEFAULT_UIMAGE + help + This option enables support for the Wind River SBC834x board. + endchoice config PPC_MPC831x @@ -73,7 +80,7 @@ config MPC834x bool select PPC_UDBG_16550 select PPC_INDIRECT_PCI - default y if MPC834x_MDS || MPC834x_ITX + default y if MPC834x_MDS || MPC834x_ITX || SBC834x config PPC_MPC836x bool diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile index df4662999a9..3a35242ba89 100644 --- a/arch/powerpc/platforms/83xx/Makefile +++ b/arch/powerpc/platforms/83xx/Makefile @@ -10,3 +10,4 @@ obj-$(CONFIG_MPC834x_ITX) += mpc834x_itx.o obj-$(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 diff --git a/arch/powerpc/platforms/83xx/sbc834x.c b/arch/powerpc/platforms/83xx/sbc834x.c new file mode 100644 index 00000000000..cf382474a83 --- /dev/null +++ b/arch/powerpc/platforms/83xx/sbc834x.c @@ -0,0 +1,115 @@ +/* + * arch/powerpc/platforms/83xx/sbc834x.c + * + * Wind River SBC834x board specific routines + * + * By Paul Gortmaker (see MAINTAINERS for contact information) + * + * Based largely on the mpc834x_mds.c support by Kumar Gala. + * + * 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/stddef.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/reboot.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/major.h> +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/seq_file.h> +#include <linux/root_dev.h> +#include <linux/of_platform.h> + +#include <asm/system.h> +#include <asm/atomic.h> +#include <asm/time.h> +#include <asm/io.h> +#include <asm/machdep.h> +#include <asm/ipic.h> +#include <asm/irq.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <sysdev/fsl_soc.h> + +#include "mpc83xx.h" + +/* ************************************************************************ + * + * Setup the architecture + * + */ +static void __init sbc834x_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("sbc834x_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") + mpc83xx_add_bridge(np); +#endif + +} + +static void __init sbc834x_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_node_by_type(NULL, "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(); + + of_node_put(np); +} + +static struct __initdata of_device_id sbc834x_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + {}, +}; + +static int __init sbc834x_declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, sbc834x_ids, NULL); + return 0; +} +machine_device_initcall(sbc834x, sbc834x_declare_of_platform_devices); + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init sbc834x_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "SBC834x"); +} + +define_machine(sbc834x) { + .name = "SBC834x", + .probe = sbc834x_probe, + .setup_arch = sbc834x_setup_arch, + .init_IRQ = sbc834x_init_IRQ, + .get_irq = ipic_get_irq, + .restart = mpc83xx_restart, + .time_init = mpc83xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; |