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Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx

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This commit is contained in:
Wolfgang Denk 2010-03-30 22:22:47 +02:00
commit f3dfbb6816
11 changed files with 118 additions and 22 deletions
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2
board/freescale/mpc8610hpcd/mpc8610hpcd.c
View file

@ -127,6 +127,8 @@ initdram(int board_type)
dram_size = fixed_sdram();
#endif
setup_ddr_bat(dram_size);
puts(" DDR: ");
return dram_size;
}

2
board/freescale/mpc8641hpcn/mpc8641hpcn.c
View file

@ -74,6 +74,8 @@ initdram(int board_type)
dram_size = fixed_sdram();
#endif
setup_ddr_bat(dram_size);
puts(" DDR: ");
return dram_size;
}

38
cpu/mpc85xx/release.S
View file

@ -70,18 +70,40 @@ __secondary_start_page:
mttbu r3
/* Enable/invalidate the I-Cache */
mfspr r0,SPRN_L1CSR1
ori r0,r0,(L1CSR1_ICFI|L1CSR1_ICE)
mtspr SPRN_L1CSR1,r0
lis r2,(L1CSR1_ICFI|L1CSR1_ICLFR)@h
ori r2,r2,(L1CSR1_ICFI|L1CSR1_ICLFR)@l
mtspr SPRN_L1CSR1,r2
1:
mfspr r3,SPRN_L1CSR1
and. r1,r3,r2
bne 1b
lis r3,(L1CSR1_CPE|L1CSR1_ICE)@h
ori r3,r3,(L1CSR1_CPE|L1CSR1_ICE)@l
mtspr SPRN_L1CSR1,r3
isync
2:
mfspr r3,SPRN_L1CSR1
andi. r1,r3,L1CSR1_ICE@l
beq 2b
/* Enable/invalidate the D-Cache */
mfspr r0,SPRN_L1CSR0
ori r0,r0,(L1CSR0_DCFI|L1CSR0_DCE)
msync
isync
mtspr SPRN_L1CSR0,r0
lis r2,(L1CSR0_DCFI|L1CSR0_DCLFR)@h
ori r2,r2,(L1CSR0_DCFI|L1CSR0_DCLFR)@l
mtspr SPRN_L1CSR0,r2
1:
mfspr r3,SPRN_L1CSR0
and. r1,r3,r2
bne 1b
lis r3,(L1CSR0_CPE|L1CSR0_DCE)@h
ori r3,r3,(L1CSR0_CPE|L1CSR0_DCE)@l
mtspr SPRN_L1CSR0,r3
isync
2:
mfspr r3,SPRN_L1CSR0
andi. r1,r3,L1CSR0_DCE@l
beq 2b
#define toreset(x) (x - __secondary_start_page + 0xfffff000)

38
cpu/mpc85xx/start.S
View file

@ -108,13 +108,41 @@ _start_e500:
mtspr L1CSR2,r2
#endif
lis r2,L1CSR0_CPE@H /* enable parity */
ori r2,r2,L1CSR0_DCE
mtspr L1CSR0,r2 /* enable L1 Dcache */
/* Enable/invalidate the I-Cache */
lis r2,(L1CSR1_ICFI|L1CSR1_ICLFR)@h
ori r2,r2,(L1CSR1_ICFI|L1CSR1_ICLFR)@l
mtspr SPRN_L1CSR1,r2
1:
mfspr r3,SPRN_L1CSR1
and. r1,r3,r2
bne 1b
lis r3,(L1CSR1_CPE|L1CSR1_ICE)@h
ori r3,r3,(L1CSR1_CPE|L1CSR1_ICE)@l
mtspr SPRN_L1CSR1,r3
isync
mtspr L1CSR1,r2 /* enable L1 Icache */
2:
mfspr r3,SPRN_L1CSR1
andi. r1,r3,L1CSR1_ICE@l
beq 2b
/* Enable/invalidate the D-Cache */
lis r2,(L1CSR0_DCFI|L1CSR0_DCLFR)@h
ori r2,r2,(L1CSR0_DCFI|L1CSR0_DCLFR)@l
mtspr SPRN_L1CSR0,r2
1:
mfspr r3,SPRN_L1CSR0
and. r1,r3,r2
bne 1b
lis r3,(L1CSR0_CPE|L1CSR0_DCE)@h
ori r3,r3,(L1CSR0_CPE|L1CSR0_DCE)@l
mtspr SPRN_L1CSR0,r3
isync
msync
2:
mfspr r3,SPRN_L1CSR0
andi. r1,r3,L1CSR0_DCE@l
beq 2b
/* Setup interrupt vectors */
lis r1,TEXT_BASE@h

36
cpu/mpc86xx/cpu.c
View file

@ -1,5 +1,5 @@
/*
* Copyright 2006,2009 Freescale Semiconductor, Inc.
* Copyright 2006,2009-2010 Freescale Semiconductor, Inc.
* Jeff Brown
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
*
@ -197,3 +197,37 @@ void mpc86xx_reginfo(void)
printf("\tBR7\t0x%08X\tOR7\t0x%08X \n", in_be32(&lbc->br7), in_be32(&lbc->or7));
}
/*
* Set the DDR BATs to reflect the actual size of DDR.
*
* dram_size is the actual size of DDR, in bytes
*
* Note: we assume that CONFIG_MAX_MEM_MAPPED is 2G or smaller as we only
* are using a single BAT to cover DDR.
*
* If this is not true, (e.g. CONFIG_MAX_MEM_MAPPED is 2GB but HID0_XBSEN
* is not defined) then we might have a situation where U-Boot will attempt
* to relocated itself outside of the region mapped by DBAT0.
* This will cause a machine check.
*
* Currently we are limited to power of two sized DDR since we only use a
* single bat. If a non-power of two size is used that is less than
* CONFIG_MAX_MEM_MAPPED u-boot will crash.
*
*/
void setup_ddr_bat(phys_addr_t dram_size)
{
unsigned long batu, bl;
bl = TO_BATU_BL(min(dram_size, CONFIG_MAX_MEM_MAPPED));
if (BATU_SIZE(bl) != dram_size) {
u64 sz = (u64)dram_size - BATU_SIZE(bl);
print_size(sz, " left unmapped\n");
}
batu = bl | BATU_VS | BATU_VP;
write_bat(DBAT0, batu, CONFIG_SYS_DBAT0L);
write_bat(IBAT0, batu, CONFIG_SYS_IBAT0L);
}

4
cpu/mpc86xx/cpu_init.c
View file

@ -138,8 +138,12 @@ int cpu_init_r(void)
/* Set up BAT registers */
void setup_bats(void)
{
#if defined(CONFIG_SYS_DBAT0U) && defined(CONFIG_SYS_DBAT0L)
write_bat(DBAT0, CONFIG_SYS_DBAT0U, CONFIG_SYS_DBAT0L);
#endif
#if defined(CONFIG_SYS_IBAT0U) && defined(CONFIG_SYS_IBAT0L)
write_bat(IBAT0, CONFIG_SYS_IBAT0U, CONFIG_SYS_IBAT0L);
#endif
write_bat(DBAT1, CONFIG_SYS_DBAT1U, CONFIG_SYS_DBAT1L);
write_bat(IBAT1, CONFIG_SYS_IBAT1U, CONFIG_SYS_IBAT1L);
write_bat(DBAT2, CONFIG_SYS_DBAT2U, CONFIG_SYS_DBAT2L);

6
include/asm-ppc/mmu.h
View file

@ -213,7 +213,11 @@ extern void print_bats(void);
#define BATL_PADDR(x) ((phys_addr_t)((x & 0xfffe0000) \
| ((x & 0x0e00ULL) << 24) \
| ((x & 0x04ULL) << 30)))
#define BATU_SIZE(x) (1UL << (fls((x & BATU_BL_MAX) >> 2) + 17))
#define BATU_SIZE(x) (1ULL << (fls((x & BATU_BL_MAX) >> 2) + 17))
/* bytes into BATU_BL */
#define TO_BATU_BL(x) \
(u32)((((1ull << __ilog2_u64((u64)x)) / (128 * 1024)) - 1) * 4)
/* Used to set up SDR1 register */
#define HASH_TABLE_SIZE_64K 0x00010000

2
include/asm-ppc/processor.h
View file

@ -485,10 +485,12 @@
#define SPRN_L2CFG0 0x207 /* L2 Cache Configuration Register 0 */
#define SPRN_L1CSR0 0x3f2 /* L1 Data Cache Control and Status Register 0 */
#define L1CSR0_CPE 0x00010000 /* Data Cache Parity Enable */
#define L1CSR0_DCLFR 0x00000100 /* D-Cache Lock Flash Reset */
#define L1CSR0_DCFI 0x00000002 /* Data Cache Flash Invalidate */
#define L1CSR0_DCE 0x00000001 /* Data Cache Enable */
#define SPRN_L1CSR1 0x3f3 /* L1 Instruction Cache Control and Status Register 1 */
#define L1CSR1_CPE 0x00010000 /* Instruction Cache Parity Enable */
#define L1CSR1_ICLFR 0x00000100 /* I-Cache Lock Flash Reset */
#define L1CSR1_ICFI 0x00000002 /* Instruction Cache Flash Invalidate */
#define L1CSR1_ICE 0x00000001 /* Instruction Cache Enable */
#define SPRN_L1CSR2 0x25e /* L1 Data Cache Control and Status Register 2 */

6
include/configs/MPC8610HPCD.h
View file

@ -341,10 +341,8 @@
* BAT0 2G Cacheable, non-guarded
* 0x0000_0000 2G DDR
*/
#define CONFIG_SYS_DBAT0L (BATL_PP_RW | BATL_MEMCOHERENCE)
#define CONFIG_SYS_DBAT0U (BATU_BL_2G | BATU_VS | BATU_VP)
#define CONFIG_SYS_IBAT0L (BATL_PP_RW | BATL_MEMCOHERENCE )
#define CONFIG_SYS_IBAT0U CONFIG_SYS_DBAT0U
#define CONFIG_SYS_DBAT0L (BATL_PP_RW)
#define CONFIG_SYS_IBAT0L (BATL_PP_RW)
/*
* BAT1 1G Cache-inhibited, guarded

4
include/configs/MPC8641HPCN.h
View file

@ -482,9 +482,7 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
* BAT0 DDR
*/
#define CONFIG_SYS_DBAT0L (BATL_PP_RW | BATL_MEMCOHERENCE)
#define CONFIG_SYS_DBAT0U (BATU_BL_2G | BATU_VS | BATU_VP)
#define CONFIG_SYS_IBAT0L (BATL_PP_RW | BATL_MEMCOHERENCE )
#define CONFIG_SYS_IBAT0U CONFIG_SYS_DBAT0U
#define CONFIG_SYS_IBAT0L (BATL_PP_RW | BATL_MEMCOHERENCE)
/*
* BAT1 LBC (PIXIS/CF)

2
include/mpc86xx.h
View file

@ -83,5 +83,7 @@ static __inline__ unsigned long get_l2cr (void)
return l2cr_val;
}
void setup_ddr_bat(phys_addr_t dram_size);
#endif /* _ASMLANGUAGE */
#endif /* __MPC86xx_H__ */