diff options
Diffstat (limited to 'arch/sh/include/cpu-sh2/cpu')
| -rw-r--r-- | arch/sh/include/cpu-sh2/cpu/cache.h | 43 | ||||
| -rw-r--r-- | arch/sh/include/cpu-sh2/cpu/dma.h | 23 | ||||
| -rw-r--r-- | arch/sh/include/cpu-sh2/cpu/freq.h | 18 | ||||
| -rw-r--r-- | arch/sh/include/cpu-sh2/cpu/ubc.h | 32 | ||||
| -rw-r--r-- | arch/sh/include/cpu-sh2/cpu/watchdog.h | 69 |
5 files changed, 185 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh2/cpu/cache.h b/arch/sh/include/cpu-sh2/cpu/cache.h new file mode 100644 index 00000000000..673515bc413 --- /dev/null +++ b/arch/sh/include/cpu-sh2/cpu/cache.h @@ -0,0 +1,43 @@ +/* + * include/asm-sh/cpu-sh2/cache.h + * + * Copyright (C) 2003 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_CPU_SH2_CACHE_H +#define __ASM_CPU_SH2_CACHE_H + +#define L1_CACHE_SHIFT 4 + +#define SH_CACHE_VALID 1 +#define SH_CACHE_UPDATED 2 +#define SH_CACHE_COMBINED 4 +#define SH_CACHE_ASSOC 8 + +#if defined(CONFIG_CPU_SUBTYPE_SH7619) +#define CCR 0xffffffec + +#define CCR_CACHE_CE 0x01 /* Cache enable */ +#define CCR_CACHE_WT 0x02 /* CCR[bit1=1,bit2=1] */ + /* 0x00000000-0x7fffffff: Write-through */ + /* 0x80000000-0x9fffffff: Write-back */ + /* 0xc0000000-0xdfffffff: Write-through */ +#define CCR_CACHE_CB 0x04 /* CCR[bit1=0,bit2=0] */ + /* 0x00000000-0x7fffffff: Write-back */ + /* 0x80000000-0x9fffffff: Write-through */ + /* 0xc0000000-0xdfffffff: Write-back */ +#define CCR_CACHE_CF 0x08 /* Cache invalidate */ + +#define CACHE_OC_ADDRESS_ARRAY 0xf0000000 +#define CACHE_OC_DATA_ARRAY 0xf1000000 + +#define CCR_CACHE_ENABLE CCR_CACHE_CE +#define CCR_CACHE_INVALIDATE CCR_CACHE_CF +#define CACHE_PHYSADDR_MASK 0x1ffffc00 + +#endif + +#endif /* __ASM_CPU_SH2_CACHE_H */ diff --git a/arch/sh/include/cpu-sh2/cpu/dma.h b/arch/sh/include/cpu-sh2/cpu/dma.h new file mode 100644 index 00000000000..d66b43cdc63 --- /dev/null +++ b/arch/sh/include/cpu-sh2/cpu/dma.h @@ -0,0 +1,23 @@ +/* + * Definitions for the SH-2 DMAC. + * + * Copyright (C) 2003 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_CPU_SH2_DMA_H +#define __ASM_CPU_SH2_DMA_H + +#define SH_MAX_DMA_CHANNELS 2 + +#define SAR ((unsigned long[]){ 0xffffff80, 0xffffff90 }) +#define DAR ((unsigned long[]){ 0xffffff84, 0xffffff94 }) +#define DMATCR ((unsigned long[]){ 0xffffff88, 0xffffff98 }) +#define CHCR ((unsigned long[]){ 0xfffffffc, 0xffffff9c }) + +#define DMAOR 0xffffffb0 + +#endif /* __ASM_CPU_SH2_DMA_H */ + diff --git a/arch/sh/include/cpu-sh2/cpu/freq.h b/arch/sh/include/cpu-sh2/cpu/freq.h new file mode 100644 index 00000000000..31de475da70 --- /dev/null +++ b/arch/sh/include/cpu-sh2/cpu/freq.h @@ -0,0 +1,18 @@ +/* + * include/asm-sh/cpu-sh2/freq.h + * + * Copyright (C) 2006 Yoshinori Sato + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_CPU_SH2_FREQ_H +#define __ASM_CPU_SH2_FREQ_H + +#if defined(CONFIG_CPU_SUBTYPE_SH7619) +#define FREQCR 0xf815ff80 +#endif + +#endif /* __ASM_CPU_SH2_FREQ_H */ + diff --git a/arch/sh/include/cpu-sh2/cpu/ubc.h b/arch/sh/include/cpu-sh2/cpu/ubc.h new file mode 100644 index 00000000000..ba0e87f19c7 --- /dev/null +++ b/arch/sh/include/cpu-sh2/cpu/ubc.h @@ -0,0 +1,32 @@ +/* + * include/asm-sh/cpu-sh2/ubc.h + * + * Copyright (C) 2003 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_CPU_SH2_UBC_H +#define __ASM_CPU_SH2_UBC_H + +#define UBC_BARA 0xffffff40 +#define UBC_BAMRA 0xffffff44 +#define UBC_BBRA 0xffffff48 +#define UBC_BARB 0xffffff60 +#define UBC_BAMRB 0xffffff64 +#define UBC_BBRB 0xffffff68 +#define UBC_BDRB 0xffffff70 +#define UBC_BDMRB 0xffffff74 +#define UBC_BRCR 0xffffff78 + +/* + * We don't have any ASID changes to make in the UBC on the SH-2. + * + * Make these purposely invalid to track misuse. + */ +#define UBC_BASRA 0x00000000 +#define UBC_BASRB 0x00000000 + +#endif /* __ASM_CPU_SH2_UBC_H */ + diff --git a/arch/sh/include/cpu-sh2/cpu/watchdog.h b/arch/sh/include/cpu-sh2/cpu/watchdog.h new file mode 100644 index 00000000000..393161c9c6d --- /dev/null +++ b/arch/sh/include/cpu-sh2/cpu/watchdog.h @@ -0,0 +1,69 @@ +/* + * include/asm-sh/cpu-sh2/watchdog.h + * + * Copyright (C) 2002, 2003 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_CPU_SH2_WATCHDOG_H +#define __ASM_CPU_SH2_WATCHDOG_H + +/* + * More SH-2 brilliance .. its not good enough that we can't read + * and write the same sizes to WTCNT, now we have to read and write + * with different sizes at different addresses for WTCNT _and_ RSTCSR. + * + * At least on the bright side no one has managed to screw over WTCSR + * in this fashion .. yet. + */ +/* Register definitions */ +#define WTCNT 0xfffffe80 +#define WTCSR 0xfffffe80 +#define RSTCSR 0xfffffe82 + +#define WTCNT_R (WTCNT + 1) +#define RSTCSR_R (RSTCSR + 1) + +/* Bit definitions */ +#define WTCSR_IOVF 0x80 +#define WTCSR_WT 0x40 +#define WTCSR_TME 0x20 +#define WTCSR_RSTS 0x00 + +#define RSTCSR_RSTS 0x20 + +/** + * sh_wdt_read_rstcsr - Read from Reset Control/Status Register + * + * Reads back the RSTCSR value. + */ +static inline __u8 sh_wdt_read_rstcsr(void) +{ + /* + * Same read/write brain-damage as for WTCNT here.. + */ + return ctrl_inb(RSTCSR_R); +} + +/** + * sh_wdt_write_csr - Write to Reset Control/Status Register + * + * @val: Value to write + * + * Writes the given value @val to the lower byte of the control/status + * register. The upper byte is set manually on each write. + */ +static inline void sh_wdt_write_rstcsr(__u8 val) +{ + /* + * Note: Due to the brain-damaged nature of this register, + * we can't presently touch the WOVF bit, since the upper byte + * has to be swapped for this. So just leave it alone.. + */ + ctrl_outw((WTCNT_HIGH << 8) | (__u16)val, RSTCSR); +} + +#endif /* __ASM_CPU_SH2_WATCHDOG_H */ + |