diff options
Diffstat (limited to 'u-boot/arch/sh/include/asm/cpu_sh4.h')
-rw-r--r-- | u-boot/arch/sh/include/asm/cpu_sh4.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/u-boot/arch/sh/include/asm/cpu_sh4.h b/u-boot/arch/sh/include/asm/cpu_sh4.h new file mode 100644 index 0000000..9b29d3a --- /dev/null +++ b/u-boot/arch/sh/include/asm/cpu_sh4.h @@ -0,0 +1,84 @@ +/* + * (C) Copyright 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _ASM_CPU_SH4_H_ +#define _ASM_CPU_SH4_H_ + +/* cache control */ +#define CCR_CACHE_STOP 0x00000808 +#define CCR_CACHE_ENABLE 0x00000101 +#define CCR_CACHE_ICI 0x00000800 + +#define CACHE_OC_ADDRESS_ARRAY 0xf4000000 + +#if defined (CONFIG_CPU_SH7750) || \ + defined(CONFIG_CPU_SH7751) +#define CACHE_OC_WAY_SHIFT 14 +#define CACHE_OC_NUM_ENTRIES 512 +#else +#define CACHE_OC_WAY_SHIFT 13 +#define CACHE_OC_NUM_ENTRIES 256 +#endif +#define CACHE_OC_ENTRY_SHIFT 5 + +#if defined (CONFIG_CPU_SH7750) || \ + defined(CONFIG_CPU_SH7751) +# include <asm/cpu_sh7750.h> +#elif defined (CONFIG_CPU_SH7722) +# include <asm/cpu_sh7722.h> +#elif defined (CONFIG_CPU_SH7723) +# include <asm/cpu_sh7723.h> +#elif defined (CONFIG_CPU_SH7757) +# include <asm/cpu_sh7757.h> +#elif defined (CONFIG_CPU_SH7763) +# include <asm/cpu_sh7763.h> +#elif defined (CONFIG_CPU_SH7780) +# include <asm/cpu_sh7780.h> +#elif defined (CONFIG_CPU_SH7785) +# include <asm/cpu_sh7785.h> +#else +# error "Unknown SH4 variant" +#endif + +#if defined(CONFIG_SH_32BIT) +#define PMB_ADDR_ARRAY 0xf6100000 +#define PMB_ADDR_ENTRY 8 +#define PMB_VPN 24 + +#define PMB_DATA_ARRAY 0xf7100000 +#define PMB_DATA_ENTRY 8 +#define PMB_PPN 24 +#define PMB_UB 9 /* Buffered write */ +#define PMB_V 8 /* Valid */ +#define PMB_SZ1 7 /* Page size (upper bit) */ +#define PMB_SZ0 4 /* Page size (lower bit) */ +#define PMB_C 3 /* Cacheability */ +#define PMB_WT 0 /* Write-through */ + +#define PMB_ADDR_BASE(entry) (PMB_ADDR_ARRAY + (entry << PMB_ADDR_ENTRY)) +#define PMB_DATA_BASE(entry) (PMB_DATA_ARRAY + (entry << PMB_DATA_ENTRY)) +#define mk_pmb_addr_val(vpn) ((vpn << PMB_VPN)) +#define mk_pmb_data_val(ppn, ub, v, sz1, sz0, c, wt) \ + ((ppn << PMB_PPN) | (ub << PMB_UB) | \ + (v << PMB_V) | (sz1 << PMB_SZ1) | \ + (sz0 << PMB_SZ0) | (c << PMB_C) | \ + (wt << PMB_WT)) +#endif + +#endif /* _ASM_CPU_SH4_H_ */ |