diff options
Diffstat (limited to 'arch/powerpc/platforms/512x/mpc5121_ads.c')
| -rw-r--r-- | arch/powerpc/platforms/512x/mpc5121_ads.c | 69 |
1 files changed, 13 insertions, 56 deletions
diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c index 50bd3a31902..5ebf6939a69 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. + * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc. All rights reserved. * * Author: John Rigby, <jrigby@freescale.com>, Thur Mar 29 2007 * @@ -15,7 +15,6 @@ #include <linux/kernel.h> #include <linux/io.h> -#include <linux/irq.h> #include <linux/of_platform.h> #include <asm/machdep.h> @@ -23,65 +22,22 @@ #include <asm/prom.h> #include <asm/time.h> -/** - * mpc512x_find_ips_freq - Find the IPS bus frequency for a device - * @node: device node - * - * Returns IPS bus frequency, or 0 if the bus frequency cannot be found. - */ -unsigned long -mpc512x_find_ips_freq(struct device_node *node) -{ - struct device_node *np; - const unsigned int *p_ips_freq = NULL; - - of_node_get(node); - while (node) { - p_ips_freq = of_get_property(node, "bus-frequency", NULL); - if (p_ips_freq) - break; - - np = of_get_parent(node); - of_node_put(node); - node = np; - } - if (node) - of_node_put(node); - - return p_ips_freq ? *p_ips_freq : 0; -} -EXPORT_SYMBOL(mpc512x_find_ips_freq); - -static struct of_device_id __initdata of_bus_ids[] = { - { .name = "soc", }, - { .name = "localbus", }, - {}, -}; +#include "mpc512x.h" +#include "mpc5121_ads.h" -static void __init mpc5121_ads_declare_of_platform_devices(void) +static void __init mpc5121_ads_setup_arch(void) { - /* Find every child of the SOC node and add it to of_platform */ - if (of_platform_bus_probe(NULL, of_bus_ids, NULL)) - printk(KERN_ERR __FILE__ ": " - "Error while probing of_platform bus\n"); + printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n"); + /* + * cpld regs are needed early + */ + mpc5121_ads_cpld_map(); } static void __init mpc5121_ads_init_IRQ(void) { - struct device_node *np; - - np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); - if (!np) - return; - - ipic_init(np, 0); - of_node_put(np); - - /* - * Initialize the default interrupt mapping priorities, - * in case the boot rom changed something on us. - */ - ipic_set_default_priority(); + mpc512x_init_IRQ(); + mpc5121_ads_cpld_pic_init(); } /* @@ -97,7 +53,8 @@ static int __init mpc5121_ads_probe(void) define_machine(mpc5121_ads) { .name = "MPC5121 ADS", .probe = mpc5121_ads_probe, - .init = mpc5121_ads_declare_of_platform_devices, + .setup_arch = mpc5121_ads_setup_arch, + .init = mpc512x_declare_of_platform_devices, .init_IRQ = mpc5121_ads_init_IRQ, .get_irq = ipic_get_irq, .calibrate_decr = generic_calibrate_decr, |