diff options
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/delay.h | 36 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/fsl_lbc.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/mpc52xx.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/mpc5xxx.h (renamed from arch/powerpc/include/asm/mpc512x.h) | 10 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/reg_booke.h | 2 |
6 files changed, 48 insertions, 9 deletions
diff --git a/arch/powerpc/include/asm/delay.h b/arch/powerpc/include/asm/delay.h index f9200a65c63..1e2eb41fa05 100644 --- a/arch/powerpc/include/asm/delay.h +++ b/arch/powerpc/include/asm/delay.h @@ -2,8 +2,11 @@ #define _ASM_POWERPC_DELAY_H #ifdef __KERNEL__ +#include <asm/time.h> + /* * Copyright 1996, Paul Mackerras. + * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -30,5 +33,38 @@ extern void udelay(unsigned long usecs); #define mdelay(n) udelay((n) * 1000) #endif +/** + * spin_event_timeout - spin until a condition gets true or a timeout elapses + * @condition: a C expression to evalate + * @timeout: timeout, in microseconds + * @delay: the number of microseconds to delay between each evaluation of + * @condition + * + * The process spins until the condition evaluates to true (non-zero) or the + * timeout elapses. The return value of this macro is the value of + * @condition when the loop terminates. This allows you to determine the cause + * of the loop terminates. If the return value is zero, then you know a + * timeout has occurred. + * + * This primary purpose of this macro is to poll on a hardware register + * until a status bit changes. The timeout ensures that the loop still + * terminates even if the bit never changes. The delay is for devices that + * need a delay in between successive reads. + * + * gcc will optimize out the if-statement if @delay is a constant. + */ +#define spin_event_timeout(condition, timeout, delay) \ +({ \ + typeof(condition) __ret; \ + unsigned long __loops = tb_ticks_per_usec * timeout; \ + unsigned long __start = get_tbl(); \ + while (!(__ret = (condition)) && (tb_ticks_since(__start) <= __loops)) \ + if (delay) \ + udelay(delay); \ + else \ + cpu_relax(); \ + __ret; \ +}) + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_DELAY_H */ diff --git a/arch/powerpc/include/asm/fsl_lbc.h b/arch/powerpc/include/asm/fsl_lbc.h index 63a4f779f53..1b5a21041f9 100644 --- a/arch/powerpc/include/asm/fsl_lbc.h +++ b/arch/powerpc/include/asm/fsl_lbc.h @@ -95,8 +95,8 @@ struct fsl_lbc_bank { }; struct fsl_lbc_regs { - struct fsl_lbc_bank bank[8]; - u8 res0[0x28]; + struct fsl_lbc_bank bank[12]; + u8 res0[0x8]; __be32 mar; /**< UPM Address Register */ u8 res1[0x4]; __be32 mamr; /**< UPMA Mode Register */ diff --git a/arch/powerpc/include/asm/mpc52xx.h b/arch/powerpc/include/asm/mpc52xx.h index 52e049cd9e6..1b4f697abbd 100644 --- a/arch/powerpc/include/asm/mpc52xx.h +++ b/arch/powerpc/include/asm/mpc52xx.h @@ -16,6 +16,7 @@ #ifndef __ASSEMBLY__ #include <asm/types.h> #include <asm/prom.h> +#include <asm/mpc5xxx.h> #endif /* __ASSEMBLY__ */ #include <linux/suspend.h> @@ -268,7 +269,6 @@ struct mpc52xx_intr { #ifndef __ASSEMBLY__ /* mpc52xx_common.c */ -extern unsigned int mpc52xx_find_ipb_freq(struct device_node *node); extern void mpc5200_setup_xlb_arbiter(void); extern void mpc52xx_declare_of_platform_devices(void); extern void mpc52xx_map_common_devices(void); diff --git a/arch/powerpc/include/asm/mpc512x.h b/arch/powerpc/include/asm/mpc5xxx.h index c48a1658eea..5ce9c5fa434 100644 --- a/arch/powerpc/include/asm/mpc512x.h +++ b/arch/powerpc/include/asm/mpc5xxx.h @@ -4,7 +4,7 @@ * Author: John Rigby, <jrigby@freescale.com>, Friday Apr 13 2007 * * Description: - * MPC5121 Prototypes and definitions + * MPC5xxx Prototypes and definitions * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by @@ -13,10 +13,10 @@ * */ -#ifndef __ASM_POWERPC_MPC512x_H__ -#define __ASM_POWERPC_MPC512x_H__ +#ifndef __ASM_POWERPC_MPC5xxx_H__ +#define __ASM_POWERPC_MPC5xxx_H__ -extern unsigned long mpc512x_find_ips_freq(struct device_node *node); +extern unsigned long mpc5xxx_get_bus_frequency(struct device_node *node); -#endif /* __ASM_POWERPC_MPC512x_H__ */ +#endif /* __ASM_POWERPC_MPC5xxx_H__ */ diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index a3c28e46947..1170267736d 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -755,7 +755,8 @@ #define mfspr(rn) ({unsigned long rval; \ asm volatile("mfspr %0," __stringify(rn) \ : "=r" (rval)); rval;}) -#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v)) +#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v)\ + : "memory") #ifdef __powerpc64__ #ifdef CONFIG_PPC_CELL diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 601ddbc4600..6bcf364cbb2 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -389,12 +389,14 @@ #define ICCR_CACHE 1 /* Cacheable */ /* Bit definitions for L1CSR0. */ +#define L1CSR0_CPE 0x00010000 /* Data Cache Parity Enable */ #define L1CSR0_CLFC 0x00000100 /* Cache Lock Bits Flash Clear */ #define L1CSR0_DCFI 0x00000002 /* Data Cache Flash Invalidate */ #define L1CSR0_CFI 0x00000002 /* Cache Flash Invalidate */ #define L1CSR0_DCE 0x00000001 /* Data Cache Enable */ /* Bit definitions for L1CSR1. */ +#define L1CSR1_CPE 0x00010000 /* Instruction Cache Parity Enable */ #define L1CSR1_ICLFR 0x00000100 /* Instr Cache Lock Bits Flash Reset */ #define L1CSR1_ICFI 0x00000002 /* Instr Cache Flash Invalidate */ #define L1CSR1_ICE 0x00000001 /* Instr Cache Enable */ |