diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S index b769ef8a76a4ffa3ee281a6f264c9c7fc449144e..b489d2ff0ca2b33cefbd461995740f8952f096b0 100644 --- a/cpu/mpc85xx/start.S +++ b/cpu/mpc85xx/start.S @@ -268,7 +268,10 @@ _start_e500: */ lis r3,CFG_INIT_RAM_ADDR@h ori r3,r3,CFG_INIT_RAM_ADDR@l - li r2,(CFG_DCACHE_SIZE / (2 * CFG_CACHELINE_SIZE)) + mfspr r2, L1CFG0 + andi. r2, r2, 0x1ff + /* cache size * 1024 / (2 * L1 line size) */ + slwi r2, r2, (10 - 1 - L1_CACHE_SHIFT) mtctr r2 li r0,0 1: @@ -1061,7 +1064,9 @@ unlock_ram_in_cache: /* invalidate the INIT_RAM section */ lis r3,(CFG_INIT_RAM_ADDR & ~31)@h ori r3,r3,(CFG_INIT_RAM_ADDR & ~31)@l - li r4,(CFG_DCACHE_SIZE / (2 * CFG_CACHELINE_SIZE)) + mfspr r4,L1CFG0 + andi. r4,r4,0x1ff + slwi r4,r4,(10 - 1 - L1_CACHE_SHIFT) mtctr r4 1: icbi r0,r3 dcbi r0,r3 diff --git a/include/asm-ppc/cache.h b/include/asm-ppc/cache.h index e29bfc2a7b41adec84b90ec81c1ea5ec7eebac00..9d9b9717ddedbb1910b0a5ea8d09bef807e4d71c 100644 --- a/include/asm-ppc/cache.h +++ b/include/asm-ppc/cache.h @@ -8,15 +8,13 @@ #include <asm/processor.h> /* bytes per L1 cache line */ -#if !(defined(CONFIG_8xx) || defined(CONFIG_IOP480)) -#if defined(CONFIG_PPC64BRIDGE) +#if defined(CONFIG_8xx) || defined(CONFIG_IOP480) +#define L1_CACHE_SHIFT 4 +#elif defined(CONFIG_PPC64BRIDGE) #define L1_CACHE_SHIFT 7 #else #define L1_CACHE_SHIFT 5 -#endif /* PPC64 */ -#else -#define L1_CACHE_SHIFT 4 -#endif /* !(8xx || IOP480) */ +#endif #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h index 9fbbdf8c56ad0e9229281ab963cca721a1e58dd4..86c5df2dbaadafcabfe539b9b35cb7f256814a01 100644 --- a/include/asm-ppc/processor.h +++ b/include/asm-ppc/processor.h @@ -424,6 +424,8 @@ #define SPRN_IVOR15 0x19f /* Interrupt Vector Offset Register 15 */ /* e500 definitions */ +#define SPRN_L1CFG0 0x203 /* L1 Cache Configuration Register 0 */ +#define SPRN_L1CFG1 0x204 /* L1 Cache Configuration Register 1 */ #define SPRN_L1CSR0 0x3f2 /* L1 Data Cache Control and Status Register 0 */ #define L1CSR0_CPE 0x00010000 /* Data Cache Parity Enable */ #define L1CSR0_DCFI 0x00000002 /* Data Cache Flash Invalidate */ @@ -621,6 +623,8 @@ #define MCSRR1 SPRN_MCSRR1 #define L1CSR0 SPRN_L1CSR0 #define L1CSR1 SPRN_L1CSR1 +#define L1CFG0 SPRN_L1CFG0 +#define L1CFG1 SPRN_L1CFG1 #define MCSR SPRN_MCSR #define MMUCSR0 SPRN_MMUCSR0 #define BUCSR SPRN_BUCSR diff --git a/include/configs/MPC8540ADS.h b/include/configs/MPC8540ADS.h index 35e1d6306663c4ca58d1d659839e763d180120bd..afce7fb78fe605b3ca5b5de88dc218b575e0dcdb 100644 --- a/include/configs/MPC8540ADS.h +++ b/include/configs/MPC8540ADS.h @@ -460,13 +460,6 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ -#endif - /* * Internal Definitions * diff --git a/include/configs/MPC8540EVAL.h b/include/configs/MPC8540EVAL.h index e376c11656b61878072e21a6a54dd089039553b0..2868dcb8ad6484482d1065ef129a4de102c7cb3a 100644 --- a/include/configs/MPC8540EVAL.h +++ b/include/configs/MPC8540EVAL.h @@ -319,13 +319,6 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ -#endif - /* * Internal Definitions * diff --git a/include/configs/MPC8541CDS.h b/include/configs/MPC8541CDS.h index d2e7237895e29acbd2850e0cc45b7dd91c54ba33..c83382f0df63468eedef2184c6b8fed5ed76dace 100644 --- a/include/configs/MPC8541CDS.h +++ b/include/configs/MPC8541CDS.h @@ -450,13 +450,6 @@ extern unsigned long get_clock_freq(void); */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ -#endif - /* * Internal Definitions * diff --git a/include/configs/MPC8544DS.h b/include/configs/MPC8544DS.h index 545a76cc62154c1050dcd70db70bbcb3b24f936d..5a96db5ab2517193b6adbcf696e0a50d6f32cfb2 100644 --- a/include/configs/MPC8544DS.h +++ b/include/configs/MPC8544DS.h @@ -444,13 +444,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy); */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ -#endif - /* * Internal Definitions * diff --git a/include/configs/MPC8548CDS.h b/include/configs/MPC8548CDS.h index 3f382e59a6b5053d11778e91b193dd6094d058ab..90beb252138583542f37716bcc7b89981a395c05 100644 --- a/include/configs/MPC8548CDS.h +++ b/include/configs/MPC8548CDS.h @@ -512,13 +512,6 @@ extern unsigned long get_clock_freq(void); */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ -#endif - /* * Internal Definitions * diff --git a/include/configs/MPC8555CDS.h b/include/configs/MPC8555CDS.h index 90ef3d6b6738e2844f5e065e531e376f2458e438..76d673cd0d65cc1ba2c6867841fcf1ae894f1e60 100644 --- a/include/configs/MPC8555CDS.h +++ b/include/configs/MPC8555CDS.h @@ -450,13 +450,6 @@ extern unsigned long get_clock_freq(void); */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ -#endif - /* * Internal Definitions * diff --git a/include/configs/MPC8560ADS.h b/include/configs/MPC8560ADS.h index d4e0de0d32b433363fc3e32f104a9adf9494eef7..5f105552f40b87d05137f64fa5f887fbc510dc3f 100644 --- a/include/configs/MPC8560ADS.h +++ b/include/configs/MPC8560ADS.h @@ -490,13 +490,6 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ -#endif - /* * Internal Definitions * diff --git a/include/configs/MPC8568MDS.h b/include/configs/MPC8568MDS.h index 59f490e8566d73b8b0b293f91cafa3d517c471c6..2b089d90d6869d03457e8c01116cedc7689ff73e 100644 --- a/include/configs/MPC8568MDS.h +++ b/include/configs/MPC8568MDS.h @@ -480,13 +480,6 @@ extern unsigned long get_clock_freq(void); */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ -#endif - /* * Internal Definitions * diff --git a/include/configs/MPC8641HPCN.h b/include/configs/MPC8641HPCN.h index 575bbae431f114ef26403e001556ad8baaface30..7f485c68f6c8e40feb907cffc0d909d7479a6159 100644 --- a/include/configs/MPC8641HPCN.h +++ b/include/configs/MPC8641HPCN.h @@ -573,13 +573,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy); */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) - #define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ -#endif - /* * Internal Definitions * diff --git a/include/configs/PM854.h b/include/configs/PM854.h index a6a1e738a806e6074c9aad6601b65e20796b6a05..f0d0399a9d08a6d6b41c64c0233edaf2c24575b2 100644 --- a/include/configs/PM854.h +++ b/include/configs/PM854.h @@ -366,13 +366,6 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ -#endif - /* * Internal Definitions * diff --git a/include/configs/PM856.h b/include/configs/PM856.h index 9a17e3d7333523cd01ce0d4cb3c0acac8b9024e8..ae2645c079c897e55eb4430bbd7a2c781bc860d2 100644 --- a/include/configs/PM856.h +++ b/include/configs/PM856.h @@ -365,13 +365,6 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux*/ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value*/ -#endif - /* * Internal Definitions * diff --git a/include/configs/SBC8540.h b/include/configs/SBC8540.h index f2c3699ab744a48fda1f5ea0c87e645fb79c4dfc..3ca85b8a9fe90264efe728f9d62b35be2462a07a 100644 --- a/include/configs/SBC8540.h +++ b/include/configs/SBC8540.h @@ -395,13 +395,6 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) - #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ -#endif - /* * Internal Definitions * diff --git a/include/configs/TQM85xx.h b/include/configs/TQM85xx.h index 6dbd3924bdd45c0061b3a0b9011a2ef4b9eadec3..f3b1a53fe9c4342754f2733c39e6065fe39cecc6 100644 --- a/include/configs/TQM85xx.h +++ b/include/configs/TQM85xx.h @@ -417,13 +417,6 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /*log base 2 of the above value */ -#endif - /* * Internal Definitions * diff --git a/include/configs/sbc8560.h b/include/configs/sbc8560.h index defc428819b4a6c98af2b439df6f6bde70c1fdcf..b71ba785be8daf1251542a9ea5a25190dceb5fda 100644 --- a/include/configs/sbc8560.h +++ b/include/configs/sbc8560.h @@ -377,13 +377,6 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) - #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ -#endif - /* * Internal Definitions * diff --git a/include/configs/stxgp3.h b/include/configs/stxgp3.h index c5ae0cde361480b2ee2cc830732c88db70a88c4e..3baa32c8d6e057c8708612899c7e74fe29870c2e 100644 --- a/include/configs/stxgp3.h +++ b/include/configs/stxgp3.h @@ -357,13 +357,6 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ -#endif - /* * Internal Definitions * diff --git a/include/configs/stxssa.h b/include/configs/stxssa.h index c6e79532096335fd41ed7e5cd63ac50b063beaa7..9457bce0aea1ae5fc8d50c918003cf6ac7dd9080 100644 --- a/include/configs/stxssa.h +++ b/include/configs/stxssa.h @@ -391,13 +391,6 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ -/* Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 -#define CFG_CACHELINE_SIZE 32 -#if defined(CONFIG_CMD_KGDB) -#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ -#endif - /* * Internal Definitions *