diff options
Diffstat (limited to 'arch/powerpc/platforms/wsp/wsp.c')
-rw-r--r-- | arch/powerpc/platforms/wsp/wsp.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/arch/powerpc/platforms/wsp/wsp.c b/arch/powerpc/platforms/wsp/wsp.c deleted file mode 100644 index 58cd1f0..0000000 --- a/arch/powerpc/platforms/wsp/wsp.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright 2008-2011, 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; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/kernel.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/smp.h> -#include <linux/delay.h> -#include <linux/time.h> -#include <linux/of_address.h> - -#include <asm/scom.h> - -#include "wsp.h" -#include "ics.h" - -#define WSP_SOC_COMPATIBLE "ibm,wsp-soc" -#define PBIC_COMPATIBLE "ibm,wsp-pbic" -#define COPRO_COMPATIBLE "ibm,wsp-coprocessor" - -static int __init wsp_probe_buses(void) -{ - static __initdata struct of_device_id bus_ids[] = { - /* - * every node in between needs to be here or you won't - * find it - */ - { .compatible = WSP_SOC_COMPATIBLE, }, - { .compatible = PBIC_COMPATIBLE, }, - { .compatible = COPRO_COMPATIBLE, }, - {}, - }; - of_platform_bus_probe(NULL, bus_ids, NULL); - - return 0; -} - -void __init wsp_setup_arch(void) -{ - /* init to some ~sane value until calibrate_delay() runs */ - loops_per_jiffy = 50000000; - - scom_init_wsp(); - - /* Setup SMP callback */ -#ifdef CONFIG_SMP - a2_setup_smp(); -#endif -#ifdef CONFIG_PCI - wsp_setup_pci(); -#endif -} - -void __init wsp_setup_irq(void) -{ - wsp_init_irq(); - opb_pic_init(); -} - - -int __init wsp_probe_devices(void) -{ - struct device_node *np; - - /* Our RTC is a ds1500. It seems to be programatically compatible - * with the ds1511 for which we have a driver so let's use that - */ - np = of_find_compatible_node(NULL, NULL, "dallas,ds1500"); - if (np != NULL) { - struct resource res; - if (of_address_to_resource(np, 0, &res) == 0) - platform_device_register_simple("ds1511", 0, &res, 1); - } - - wsp_probe_buses(); - - return 0; -} - -void wsp_halt(void) -{ - u64 val; - scom_map_t m; - struct device_node *dn; - struct device_node *mine; - struct device_node *me; - int rc; - - me = of_get_cpu_node(smp_processor_id(), NULL); - mine = scom_find_parent(me); - - /* This will halt all the A2s but not power off the chip */ - for_each_node_with_property(dn, "scom-controller") { - if (dn == mine) - continue; - m = scom_map(dn, 0, 1); - - /* read-modify-write it so the HW probe does not get - * confused */ - rc = scom_read(m, 0, &val); - if (rc == 0) - scom_write(m, 0, val | 1); - scom_unmap(m); - } - m = scom_map(mine, 0, 1); - rc = scom_read(m, 0, &val); - if (rc == 0) - scom_write(m, 0, val | 1); - /* should never return */ - scom_unmap(m); -} |