diff options
-rw-r--r-- | board/cds/common/ft_board.c | 23 | ||||
-rw-r--r-- | board/dbau1x00/u-boot.lds | 14 | ||||
-rw-r--r-- | board/gth2/u-boot.lds | 14 | ||||
-rw-r--r-- | board/incaip/u-boot.lds | 14 | ||||
-rw-r--r-- | board/pb1x00/u-boot.lds | 14 | ||||
-rw-r--r-- | board/purple/u-boot.lds | 14 | ||||
-rw-r--r-- | board/tb0229/u-boot.lds | 14 | ||||
-rw-r--r-- | cpu/mips/config.mk | 2 | ||||
-rw-r--r-- | cpu/mips/start.S | 19 | ||||
-rw-r--r-- | cpu/mpc85xx/cpu.c | 7 | ||||
-rw-r--r-- | cpu/mpc85xx/start.S | 24 | ||||
-rw-r--r-- | drivers/tsec.c | 1 | ||||
-rw-r--r-- | examples/mips.lds | 14 | ||||
-rw-r--r-- | include/asm-mips/addrspace.h | 2 | ||||
-rw-r--r-- | include/configs/MPC8266ADS.h | 2 | ||||
-rw-r--r-- | include/configs/MPC8541CDS.h | 1 | ||||
-rw-r--r-- | include/configs/MPC8548CDS.h | 1 | ||||
-rw-r--r-- | include/configs/MPC8555CDS.h | 1 | ||||
-rw-r--r-- | include/configs/MPC8568MDS.h | 2 | ||||
-rw-r--r-- | mips_config.mk | 25 |
20 files changed, 129 insertions, 79 deletions
diff --git a/board/cds/common/ft_board.c b/board/cds/common/ft_board.c index 9d97905..3eda100 100644 --- a/board/cds/common/ft_board.c +++ b/board/cds/common/ft_board.c @@ -37,17 +37,24 @@ static void cds_pci_fixup(void *blob) map = ft_get_prop(blob, "/" OF_SOC "/pci@8000/interrupt-map", &len); - len /= sizeof(u32); + if (!map) + map = ft_get_prop(blob, "/" OF_PCI "/interrupt-map", &len); - slot = get_pci_slot(); + if (map) { + len /= sizeof(u32); - for (i=0;i<len;i+=7) { - /* We rotate the interrupt pins so that the mapping - * changes depending on the slot the carrier card is in. - */ - map[3] = ((map[3] + slot - 2) % 4) + 1; + slot = get_pci_slot(); - map+=7; + for (i=0;i<len;i+=7) { + /* We rotate the interrupt pins so that the mapping + * changes depending on the slot the carrier card is in. + */ + map[3] = ((map[3] + slot - 2) % 4) + 1; + + map+=7; + } + } else { + printf("*** Warning - No PCI node found\n"); } } #endif diff --git a/board/dbau1x00/u-boot.lds b/board/dbau1x00/u-boot.lds index 10c9917..9639b81 100644 --- a/board/dbau1x00/u-boot.lds +++ b/board/dbau1x00/u-boot.lds @@ -43,14 +43,14 @@ SECTIONS . = ALIGN(4); .data : { *(.data) } - . = ALIGN(4); - .sdata : { *(.sdata) } - - _gp = ALIGN(16); + . = .; + _gp = ALIGN(16) + 0x7ff0; - __got_start = .; - .got : { *(.got) } - __got_end = .; + .got : { + __got_start = .; + *(.got) + __got_end = .; + } .sdata : { *(.sdata) } diff --git a/board/gth2/u-boot.lds b/board/gth2/u-boot.lds index 8ba0b6d..90432cb 100644 --- a/board/gth2/u-boot.lds +++ b/board/gth2/u-boot.lds @@ -43,14 +43,14 @@ SECTIONS . = ALIGN(4); .data : { *(.data) } - . = ALIGN(4); - .sdata : { *(.sdata) } + . = .; + _gp = ALIGN(16) + 0x7ff0; - _gp = ALIGN(16); - - __got_start = .; - .got : { *(.got) } - __got_end = .; + .got : { + __got_start = .; + *(.got) + __got_end = .; + } .sdata : { *(.sdata) } diff --git a/board/incaip/u-boot.lds b/board/incaip/u-boot.lds index 10c9917..9639b81 100644 --- a/board/incaip/u-boot.lds +++ b/board/incaip/u-boot.lds @@ -43,14 +43,14 @@ SECTIONS . = ALIGN(4); .data : { *(.data) } - . = ALIGN(4); - .sdata : { *(.sdata) } - - _gp = ALIGN(16); + . = .; + _gp = ALIGN(16) + 0x7ff0; - __got_start = .; - .got : { *(.got) } - __got_end = .; + .got : { + __got_start = .; + *(.got) + __got_end = .; + } .sdata : { *(.sdata) } diff --git a/board/pb1x00/u-boot.lds b/board/pb1x00/u-boot.lds index a2d19a8..363d974 100644 --- a/board/pb1x00/u-boot.lds +++ b/board/pb1x00/u-boot.lds @@ -43,14 +43,14 @@ SECTIONS . = ALIGN(4); .data : { *(.data) } - . = ALIGN(4); - .sdata : { *(.sdata) } + . = .; + _gp = ALIGN(16) + 0x7ff0; - _gp = ALIGN(16); - - __got_start = .; - .got : { *(.got) } - __got_end = .; + .got : { + __got_start = .; + *(.got) + __got_end = .; + } .sdata : { *(.sdata) } diff --git a/board/purple/u-boot.lds b/board/purple/u-boot.lds index 1bdac1f..e7ec012 100644 --- a/board/purple/u-boot.lds +++ b/board/purple/u-boot.lds @@ -53,14 +53,14 @@ SECTIONS . = ALIGN(4); .data : { *(.data) } - . = ALIGN(4); - .sdata : { *(.sdata) } - - _gp = ALIGN(16); + . = .; + _gp = ALIGN(16) + 0x7ff0; - __got_start = .; - .got : { *(.got) } - __got_end = .; + .got : { + __got_start = .; + *(.got) + __got_end = .; + } .sdata : { *(.sdata) } diff --git a/board/tb0229/u-boot.lds b/board/tb0229/u-boot.lds index 30a2bc5..b2fa9f2 100644 --- a/board/tb0229/u-boot.lds +++ b/board/tb0229/u-boot.lds @@ -43,14 +43,14 @@ SECTIONS . = ALIGN(4); .data : { *(.data) } - . = ALIGN(4); - .sdata : { *(.sdata) } - - _gp = ALIGN(16); + . = .; + _gp = ALIGN(16) + 0x7ff0; - __got_start = .; - .got : { *(.got) } - __got_end = .; + .got : { + __got_start = .; + *(.got) + __got_end = .; + } .sdata : { *(.sdata) } diff --git a/cpu/mips/config.mk b/cpu/mips/config.mk index b29986e..487c4eb 100644 --- a/cpu/mips/config.mk +++ b/cpu/mips/config.mk @@ -35,6 +35,6 @@ else ENDIANNESS = -EB endif -MIPSFLAGS += $(ENDIANNESS) -mabicalls +MIPSFLAGS += $(ENDIANNESS) PLATFORM_CPPFLAGS += $(MIPSFLAGS) diff --git a/cpu/mips/start.S b/cpu/mips/start.S index e91e213..074d01d 100644 --- a/cpu/mips/start.S +++ b/cpu/mips/start.S @@ -234,11 +234,11 @@ reset: li t0, CONF_CM_UNCACHED mtc0 t0, CP0_CONFIG - /* Initialize GOT pointer. + /* Initialize $gp. */ bal 1f nop - .word _GLOBAL_OFFSET_TABLE_ + .word _gp 1: move gp, ra lw t1, 0(ra) @@ -306,9 +306,9 @@ relocate_code: move t1, a2 /* - * Fix GOT pointer: + * Fix $gp: * - * New GOT-PTR = (old GOT-PTR - CFG_MONITOR_BASE) + Destination Address + * New $gp = (Old $gp - CFG_MONITOR_BASE) + Destination Address */ move t6, gp sub gp, CFG_MONITOR_BASE @@ -341,15 +341,22 @@ relocate_code: j t0 nop + .gpword _GLOBAL_OFFSET_TABLE_ /* _GLOBAL_OFFSET_TABLE_ - _gp */ .word uboot_end_data .word uboot_end .word num_got_entries in_ram: - /* Now we want to update GOT. + /* + * Now we want to update GOT. + * + * GOT[0] is reserved. GOT[1] is also reserved for the dynamic object + * generated by GNU ld. Skip these reserved entries from relocation. */ lw t3, -4(t0) /* t3 <-- num_got_entries */ - addi t4, gp, 8 /* Skipping first two entries. */ + lw t4, -16(t0) /* t4 <-- (_GLOBAL_OFFSET_TABLE_ - _gp) */ + add t4, t4, gp /* t4 now holds _GLOBAL_OFFSET_TABLE_ */ + addi t4, t4, 8 /* Skipping first two entries. */ li t2, 2 1: lw t1, 0(t4) diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index 08e0468..bbc5444 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -163,7 +163,12 @@ int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) * Initiate hard reset in debug control register DBCR0 * Make sure MSR[DE] = 1 */ - unsigned long val; + unsigned long val, msr; + + msr = mfmsr (); + msr |= MSR_DE; + mtmsr (msr); + val = mfspr(DBCR0); val |= 0x70000000; mtspr(DBCR0,val); diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S index 2c98c2a..ada6ea5 100644 --- a/cpu/mpc85xx/start.S +++ b/cpu/mpc85xx/start.S @@ -218,6 +218,8 @@ _start_e500: bdnz 0b /* Clear and set up some registers. */ + li r0,0 + mtmsr r0 li r0,0x0000 lis r1,0xffff mtspr DEC,r0 /* prevent dec exceptions */ @@ -266,18 +268,17 @@ _start_e500: */ lis r3,CFG_INIT_RAM_ADDR@h ori r3,r3,CFG_INIT_RAM_ADDR@l - li r2,512 /* 512*32=16K */ + li r2,(CFG_DCACHE_SIZE / (2 * CFG_CACHELINE_SIZE)) mtctr r2 li r0,0 1: dcbz r0,r3 dcbtls 0,r0,r3 - addi r3,r3,32 + addi r3,r3,CFG_CACHELINE_SIZE bdnz 1b /* Jump out the last 4K page and continue to 'normal' start */ #ifdef CFG_RAMBOOT - bl 3f b _start_cont #else /* Calculate absolute address in FLASH and jump there */ @@ -286,15 +287,9 @@ _start_e500: ori r3,r3,CFG_MONITOR_BASE@l addi r3,r3,_start_cont - _start + _START_OFFSET mtlr r3 + blr #endif -3: li r0,0 - mtspr SRR1,r0 /* Keep things disabled for now */ - mflr r1 - mtspr SRR0,r1 - rfi - isync - .text .globl _start _start: @@ -701,6 +696,7 @@ in8: .globl out8 out8: stb r4,0x0000(r3) + sync blr /*------------------------------------------------------------------------------- */ @@ -710,6 +706,7 @@ out8: .globl out16 out16: sth r4,0x0000(r3) + sync blr /*------------------------------------------------------------------------------- */ @@ -719,6 +716,7 @@ out16: .globl out16r out16r: sthbrx r4,r0,r3 + sync blr /*------------------------------------------------------------------------------- */ @@ -728,6 +726,7 @@ out16r: .globl out32 out32: stw r4,0x0000(r3) + sync blr /*------------------------------------------------------------------------------- */ @@ -737,6 +736,7 @@ out32: .globl out32r out32r: stwbrx r4,r0,r3 + sync blr /*------------------------------------------------------------------------------- */ @@ -1061,11 +1061,11 @@ 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 r4,512 + li r4,(CFG_DCACHE_SIZE / (2 * CFG_CACHELINE_SIZE)) mtctr r4 1: icbi r0,r3 dcbi r0,r3 - addi r3,r3,32 + addi r3,r3,CFG_CACHELINE_SIZE bdnz 1b sync /* Wait for all icbi to complete on bus */ isync diff --git a/drivers/tsec.c b/drivers/tsec.c index 4ff3339..7ba8f0c 100644 --- a/drivers/tsec.c +++ b/drivers/tsec.c @@ -803,6 +803,7 @@ static void startup_tsec(struct eth_device *dev) /* Tell the DMA it is clear to go */ regs->dmactrl |= DMACTRL_INIT_SETTINGS; regs->tstat = TSTAT_CLEAR_THALT; + regs->rstat = RSTAT_CLEAR_RHALT; regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS); } diff --git a/examples/mips.lds b/examples/mips.lds index 9d9849b..a770728 100644 --- a/examples/mips.lds +++ b/examples/mips.lds @@ -39,14 +39,14 @@ SECTIONS . = ALIGN(4); .data : { *(.data) } - . = ALIGN(4); - .sdata : { *(.sdata) } + . = .; + _gp = ALIGN(16) + 0x7ff0; - _gp = ALIGN(16); - - __got_start = .; - .got : { *(.got) } - __got_end = .; + .got : { + __got_start = .; + *(.got) + __got_end = .; + } .sdata : { *(.sdata) } diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h index b8214b1..0e6abd7 100644 --- a/include/asm-mips/addrspace.h +++ b/include/asm-mips/addrspace.h @@ -49,7 +49,7 @@ cannot access physical memory directly from core */ #define UNCACHED_SDRAM(a) (((unsigned long)(a)) | 0x20000000) #else /* !CONFIG_AU1X00 */ -#define UNCACHED_SDRAM(a) PHYSADDR(a) +#define UNCACHED_SDRAM(a) KSEG1ADDR(a) #endif /* CONFIG_AU1X00 */ #endif /* __ASSEMBLY__ */ /* diff --git a/include/configs/MPC8266ADS.h b/include/configs/MPC8266ADS.h index 14b041e..d392b98 100644 --- a/include/configs/MPC8266ADS.h +++ b/include/configs/MPC8266ADS.h @@ -168,6 +168,7 @@ #undef CONFIG_CMD_MFSL #undef CONFIG_CMD_MMC #undef CONFIG_CMD_NAND +#undef CONFIG_CMD_ONENAND #undef CONFIG_CMD_PCMCIA #undef CONFIG_CMD_REISER #undef CONFIG_CMD_SCSI @@ -177,6 +178,7 @@ #undef CONFIG_CMD_UNIVERSE #undef CONFIG_CMD_USB #undef CONFIG_CMD_XIMG +#undef CONFIG_CMD_AT91_SPIMUX /* Define a command string that is automatically executed when no character * is read on the console interface withing "Boot Delay" after reset. diff --git a/include/configs/MPC8541CDS.h b/include/configs/MPC8541CDS.h index 4e061bd..8dda665 100644 --- a/include/configs/MPC8541CDS.h +++ b/include/configs/MPC8541CDS.h @@ -316,6 +316,7 @@ extern unsigned long get_clock_freq(void); #define OF_SOC "soc8541@e0000000" #define OF_TBCLK (bd->bi_busfreq / 8) #define OF_STDOUT_PATH "/soc8541@e0000000/serial@4600" +#define OF_PCI "pci@e0008000" /* * I2C diff --git a/include/configs/MPC8548CDS.h b/include/configs/MPC8548CDS.h index 6083715..4edc7fd 100644 --- a/include/configs/MPC8548CDS.h +++ b/include/configs/MPC8548CDS.h @@ -340,6 +340,7 @@ extern unsigned long get_clock_freq(void); #define OF_SOC "soc8548@e0000000" #define OF_TBCLK (bd->bi_busfreq / 8) #define OF_STDOUT_PATH "/soc8548@e0000000/serial@4600" +#define OF_PCI "pci@e0008000" /* * I2C diff --git a/include/configs/MPC8555CDS.h b/include/configs/MPC8555CDS.h index 1d1b7c9..c414bf0 100644 --- a/include/configs/MPC8555CDS.h +++ b/include/configs/MPC8555CDS.h @@ -316,6 +316,7 @@ extern unsigned long get_clock_freq(void); #define OF_SOC "soc8555@e0000000" #define OF_TBCLK (bd->bi_busfreq / 8) #define OF_STDOUT_PATH "/soc8555@e0000000/serial@4600" +#define OF_PCI "pci@e0008000" /* * I2C diff --git a/include/configs/MPC8568MDS.h b/include/configs/MPC8568MDS.h index ba744e9..548e158 100644 --- a/include/configs/MPC8568MDS.h +++ b/include/configs/MPC8568MDS.h @@ -297,7 +297,7 @@ extern unsigned long get_clock_freq(void); #define OF_SOC "soc8568@e0000000" #define OF_QE "qe@e0080000" #define OF_TBCLK (bd->bi_busfreq / 8) -#define OF_STDOUT_PATH "/soc8568@e0000000/serial@4600" +#define OF_STDOUT_PATH "/soc8568@e0000000/serial@4500" /* * I2C diff --git a/mips_config.mk b/mips_config.mk index d8aa5fa..67fb67d 100644 --- a/mips_config.mk +++ b/mips_config.mk @@ -22,3 +22,28 @@ # PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__ + +# +# From Linux arch/mips/Makefile +# +# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel +# code since it only slows down the whole thing. At some point we might make +# use of global pointer optimizations but their use of $28 conflicts with +# the current pointer optimization. +# +# The DECStation requires an ECOFF kernel for remote booting, other MIPS +# machines may also. Since BFD is incredibly buggy with respect to +# crossformat linking we rely on the elf2ecoff tool for format conversion. +# +# cflags-y += -G 0 -mno-abicalls -fno-pic -pipe +# cflags-y += -msoft-float +# LDFLAGS_vmlinux += -G 0 -static -n -nostdlib +# MODFLAGS += -mlong-calls +# + +# +# Meanwhile, U-Boot rely on PIC. We add proper switches explicitly. +# +PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic -pipe +PLATFORM_CPPFLAGS += -msoft-float +PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib |