diff options
-rw-r--r-- | board/amcc/luan/luan.c | 23 | ||||
-rw-r--r-- | cpu/ppc4xx/start.S | 41 | ||||
-rw-r--r-- | include/asm-ppc/ppc4xx-isram.h | 75 | ||||
-rw-r--r-- | include/ppc440.h | 39 |
4 files changed, 108 insertions, 70 deletions
diff --git a/board/amcc/luan/luan.c b/board/amcc/luan/luan.c index b28ebf9..de3e3d8 100644 --- a/board/amcc/luan/luan.c +++ b/board/amcc/luan/luan.c @@ -25,6 +25,7 @@ #include <command.h> #include <ppc4xx.h> #include <asm/processor.h> +#include <asm/ppc4xx-isram.h> #include <spd_sdram.h> #include "epld.h" @@ -255,7 +256,7 @@ static int on_off( const char *s ) ************************************************************************/ static void l2cache_disable(void) { - mtdcr( l2_cache_cfg, 0 ); + mtdcr( L2_CACHE_CFG, 0 ); } @@ -265,24 +266,24 @@ static void l2cache_disable(void) ************************************************************************/ static void l2cache_enable(void) /* see p258 7.4.1 Enabling L2 Cache */ { - mtdcr( l2_cache_cfg, 0x80000000 ); /* enable L2_MODE L2_CFG[L2M] */ + mtdcr( L2_CACHE_CFG, 0x80000000 ); /* enable L2_MODE L2_CFG[L2M] */ - mtdcr( l2_cache_addr, 0 ); /* set L2_ADDR with all zeros */ + mtdcr( L2_CACHE_ADDR, 0 ); /* set L2_ADDR with all zeros */ - mtdcr( l2_cache_cmd, 0x80000000 ); /* issue HCLEAR command via L2_CMD */ + mtdcr( L2_CACHE_CMD, 0x80000000 ); /* issue HCLEAR command via L2_CMD */ - while (!(mfdcr( l2_cache_stat ) & 0x80000000 )) ;; /* poll L2_SR for completion */ + while (!(mfdcr( L2_CACHE_STAT ) & 0x80000000 )) ;; /* poll L2_SR for completion */ - mtdcr( l2_cache_cmd, 0x10000000 ); /* clear cache errors L2_CMD[CCP] */ + mtdcr( L2_CACHE_CMD, 0x10000000 ); /* clear cache errors L2_CMD[CCP] */ - mtdcr( l2_cache_cmd, 0x08000000 ); /* clear tag errors L2_CMD[CTE] */ + mtdcr( L2_CACHE_CMD, 0x08000000 ); /* clear tag errors L2_CMD[CTE] */ - mtdcr( l2_cache_snp0, 0 ); /* snoop registers */ - mtdcr( l2_cache_snp1, 0 ); + mtdcr( L2_CACHE_SNP0, 0 ); /* snoop registers */ + mtdcr( L2_CACHE_SNP1, 0 ); __asm__ volatile ("sync"); /* msync */ - mtdcr( l2_cache_cfg, 0xe0000000 ); /* inst and data use L2 */ + mtdcr( L2_CACHE_CFG, 0xe0000000 ); /* inst and data use L2 */ __asm__ volatile ("sync"); } @@ -294,7 +295,7 @@ static void l2cache_enable(void) /* see p258 7.4.1 Enabling L2 Cache */ ************************************************************************/ static int l2cache_status(void) { - return (mfdcr( l2_cache_cfg ) & 0x60000000) != 0; + return (mfdcr( L2_CACHE_CFG ) & 0x60000000) != 0; } diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 84d7a28..db34e84 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -72,6 +72,7 @@ #include <asm/cache.h> #include <asm/mmu.h> +#include <asm/ppc4xx-isram.h> #ifndef CONFIG_IDENT_STRING #define CONFIG_IDENT_STRING "" @@ -679,65 +680,65 @@ _start: defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_460SX) - mtdcr l2_cache_cfg,r0 /* Ensure L2 Cache is off */ + mtdcr L2_CACHE_CFG,r0 /* Ensure L2 Cache is off */ #endif lis r2,0x7fff ori r2,r2,0xffff - mfdcr r1,isram0_dpc + mfdcr r1,ISRAM0_DPC and r1,r1,r2 /* Disable parity check */ - mtdcr isram0_dpc,r1 - mfdcr r1,isram0_pmeg + mtdcr ISRAM0_DPC,r1 + mfdcr r1,ISRAM0_PMEG and r1,r1,r2 /* Disable pwr mgmt */ - mtdcr isram0_pmeg,r1 + mtdcr ISRAM0_PMEG,r1 lis r1,0x8000 /* BAS = 8000_0000 */ #if defined(CONFIG_440GX) || defined(CONFIG_440SP) ori r1,r1,0x0980 /* first 64k */ - mtdcr isram0_sb0cr,r1 + mtdcr ISRAM0_SB0CR,r1 lis r1,0x8001 ori r1,r1,0x0980 /* second 64k */ - mtdcr isram0_sb1cr,r1 + mtdcr ISRAM0_SB1CR,r1 lis r1, 0x8002 ori r1,r1, 0x0980 /* third 64k */ - mtdcr isram0_sb2cr,r1 + mtdcr ISRAM0_SB2CR,r1 lis r1, 0x8003 ori r1,r1, 0x0980 /* fourth 64k */ - mtdcr isram0_sb3cr,r1 + mtdcr ISRAM0_SB3CR,r1 #elif defined(CONFIG_440SPE) lis r1,0x0000 /* BAS = 0000_0000 */ ori r1,r1,0x0984 /* first 64k */ - mtdcr isram0_sb0cr,r1 + mtdcr ISRAM0_SB0CR,r1 lis r1,0x0001 ori r1,r1,0x0984 /* second 64k */ - mtdcr isram0_sb1cr,r1 + mtdcr ISRAM0_SB1CR,r1 lis r1, 0x0002 ori r1,r1, 0x0984 /* third 64k */ - mtdcr isram0_sb2cr,r1 + mtdcr ISRAM0_SB2CR,r1 lis r1, 0x0003 ori r1,r1, 0x0984 /* fourth 64k */ - mtdcr isram0_sb3cr,r1 + mtdcr ISRAM0_SB3CR,r1 #elif defined(CONFIG_460EX) || defined(CONFIG_460GT) lis r1,0x4000 /* BAS = 8000_0000 */ ori r1,r1,0x4580 /* 16k */ - mtdcr isram0_sb0cr,r1 + mtdcr ISRAM0_SB0CR,r1 #elif defined(CONFIG_460SX) lis r1,0x0000 /* BAS = 0000_0000 */ ori r1,r1,0x0B84 /* first 128k */ - mtdcr isram0_sb0cr,r1 + mtdcr ISRAM0_SB0CR,r1 lis r1,0x0001 ori r1,r1,0x0B84 /* second 128k */ - mtdcr isram0_sb1cr,r1 + mtdcr ISRAM0_SB1CR,r1 lis r1, 0x0002 ori r1,r1, 0x0B84 /* third 128k */ - mtdcr isram0_sb2cr,r1 + mtdcr ISRAM0_SB2CR,r1 lis r1, 0x0003 ori r1,r1, 0x0B84 /* fourth 128k */ - mtdcr isram0_sb3cr,r1 + mtdcr ISRAM0_SB3CR,r1 #elif defined(CONFIG_440GP) ori r1,r1,0x0380 /* 8k rw */ - mtdcr isram0_sb0cr,r1 - mtdcr isram0_sb1cr,r0 /* Disable bank 1 */ + mtdcr ISRAM0_SB0CR,r1 + mtdcr ISRAM0_SB1CR,r0 /* Disable bank 1 */ #endif #endif /* #if !defined(CONFIG_440EP) && !defined(CONFIG_440GR) */ diff --git a/include/asm-ppc/ppc4xx-isram.h b/include/asm-ppc/ppc4xx-isram.h new file mode 100644 index 0000000..d6d17ac --- /dev/null +++ b/include/asm-ppc/ppc4xx-isram.h @@ -0,0 +1,75 @@ + +/* + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 _PPC4xx_ISRAM_H_ +#define _PPC4xx_ISRAM_H_ + +/* + * Internal SRAM + */ +#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#define ISRAM0_DCR_BASE 0x380 +#else +#define ISRAM0_DCR_BASE 0x020 +#endif +#define ISRAM0_SB0CR (ISRAM0_DCR_BASE+0x00) /* SRAM bank config 0*/ +#define ISRAM0_SB1CR (ISRAM0_DCR_BASE+0x01) /* SRAM bank config 1*/ +#define ISRAM0_SB2CR (ISRAM0_DCR_BASE+0x02) /* SRAM bank config 2*/ +#define ISRAM0_SB3CR (ISRAM0_DCR_BASE+0x03) /* SRAM bank config 3*/ +#define ISRAM0_BEAR (ISRAM0_DCR_BASE+0x04) /* SRAM bus error addr reg */ +#define ISRAM0_BESR0 (ISRAM0_DCR_BASE+0x05) /* SRAM bus error status reg 0 */ +#define ISRAM0_BESR1 (ISRAM0_DCR_BASE+0x06) /* SRAM bus error status reg 1 */ +#define ISRAM0_PMEG (ISRAM0_DCR_BASE+0x07) /* SRAM power management */ +#define ISRAM0_CID (ISRAM0_DCR_BASE+0x08) /* SRAM bus core id reg */ +#define ISRAM0_REVID (ISRAM0_DCR_BASE+0x09) /* SRAM bus revision id reg */ +#define ISRAM0_DPC (ISRAM0_DCR_BASE+0x0a) /* SRAM data parity check reg */ + +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#define ISRAM1_DCR_BASE 0x0B0 +#define ISRAM1_SB0CR (ISRAM1_DCR_BASE+0x00) /* SRAM1 bank config 0*/ +#define ISRAM1_BEAR (ISRAM1_DCR_BASE+0x04) /* SRAM1 bus error addr reg */ +#define ISRAM1_BESR0 (ISRAM1_DCR_BASE+0x05) /* SRAM1 bus error status reg 0 */ +#define ISRAM1_BESR1 (ISRAM1_DCR_BASE+0x06) /* SRAM1 bus error status reg 1 */ +#define ISRAM1_PMEG (ISRAM1_DCR_BASE+0x07) /* SRAM1 power management */ +#define ISRAM1_CID (ISRAM1_DCR_BASE+0x08) /* SRAM1 bus core id reg */ +#define ISRAM1_REVID (ISRAM1_DCR_BASE+0x09) /* SRAM1 bus revision id reg */ +#define ISRAM1_DPC (ISRAM1_DCR_BASE+0x0a) /* SRAM1 data parity check reg */ +#endif /* CONFIG_460EX || CONFIG_460GT */ + +/* + * L2 Cache + */ +#if defined (CONFIG_440GX) || \ + defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_460SX) +#define L2_CACHE_BASE 0x030 +#define L2_CACHE_CFG (L2_CACHE_BASE+0x00) /* L2 Cache Config */ +#define L2_CACHE_CMD (L2_CACHE_BASE+0x01) /* L2 Cache Command */ +#define L2_CACHE_ADDR (L2_CACHE_BASE+0x02) /* L2 Cache Address */ +#define L2_CACHE_DATA (L2_CACHE_BASE+0x03) /* L2 Cache Data */ +#define L2_CACHE_STAT (L2_CACHE_BASE+0x04) /* L2 Cache Status */ +#define L2_CACHE_CVER (L2_CACHE_BASE+0x05) /* L2 Cache Revision ID */ +#define L2_CACHE_SNP0 (L2_CACHE_BASE+0x06) /* L2 Cache Snoop reg 0 */ +#define L2_CACHE_SNP1 (L2_CACHE_BASE+0x07) /* L2 Cache Snoop reg 1 */ +#endif /* CONFIG_440GX */ + +#endif /* _PPC4xx_ISRAM_H_ */ diff --git a/include/ppc440.h b/include/ppc440.h index 4d2157a..01f6eaf 100644 --- a/include/ppc440.h +++ b/include/ppc440.h @@ -607,45 +607,6 @@ #endif /* 440EP || 440GR || 440EPX || 440GRX */ -/*----------------------------------------------------------------------------- - | L2 Cache - +----------------------------------------------------------------------------*/ -#if defined (CONFIG_440GX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ - defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ - defined(CONFIG_460SX) -#define L2_CACHE_BASE 0x030 -#define l2_cache_cfg (L2_CACHE_BASE+0x00) /* L2 Cache Config */ -#define l2_cache_cmd (L2_CACHE_BASE+0x01) /* L2 Cache Command */ -#define l2_cache_addr (L2_CACHE_BASE+0x02) /* L2 Cache Address */ -#define l2_cache_data (L2_CACHE_BASE+0x03) /* L2 Cache Data */ -#define l2_cache_stat (L2_CACHE_BASE+0x04) /* L2 Cache Status */ -#define l2_cache_cver (L2_CACHE_BASE+0x05) /* L2 Cache Revision ID */ -#define l2_cache_snp0 (L2_CACHE_BASE+0x06) /* L2 Cache Snoop reg 0 */ -#define l2_cache_snp1 (L2_CACHE_BASE+0x07) /* L2 Cache Snoop reg 1 */ - -#endif /* CONFIG_440GX */ - -/*----------------------------------------------------------------------------- - | Internal SRAM - +----------------------------------------------------------------------------*/ -#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) -#define ISRAM0_DCR_BASE 0x380 -#else -#define ISRAM0_DCR_BASE 0x020 -#endif -#define isram0_sb0cr (ISRAM0_DCR_BASE+0x00) /* SRAM bank config 0*/ -#define isram0_sb1cr (ISRAM0_DCR_BASE+0x01) /* SRAM bank config 1*/ -#define isram0_sb2cr (ISRAM0_DCR_BASE+0x02) /* SRAM bank config 2*/ -#define isram0_sb3cr (ISRAM0_DCR_BASE+0x03) /* SRAM bank config 3*/ -#define isram0_bear (ISRAM0_DCR_BASE+0x04) /* SRAM bus error addr reg */ -#define isram0_besr0 (ISRAM0_DCR_BASE+0x05) /* SRAM bus error status reg 0 */ -#define isram0_besr1 (ISRAM0_DCR_BASE+0x06) /* SRAM bus error status reg 1 */ -#define isram0_pmeg (ISRAM0_DCR_BASE+0x07) /* SRAM power management */ -#define isram0_cid (ISRAM0_DCR_BASE+0x08) /* SRAM bus core id reg */ -#define isram0_revid (ISRAM0_DCR_BASE+0x09) /* SRAM bus revision id reg */ -#define isram0_dpc (ISRAM0_DCR_BASE+0x0a) /* SRAM data parity check reg */ - #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_460EX) || defined(CONFIG_460GT) |