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-rw-r--r--board/cds/common/ft_board.c23
-rw-r--r--board/dbau1x00/u-boot.lds14
-rw-r--r--board/gth2/u-boot.lds14
-rw-r--r--board/incaip/u-boot.lds14
-rw-r--r--board/pb1x00/u-boot.lds14
-rw-r--r--board/purple/u-boot.lds14
-rw-r--r--board/tb0229/u-boot.lds14
-rw-r--r--cpu/mips/config.mk2
-rw-r--r--cpu/mips/start.S19
-rw-r--r--cpu/mpc85xx/cpu.c7
-rw-r--r--cpu/mpc85xx/start.S24
-rw-r--r--drivers/tsec.c1
-rw-r--r--examples/mips.lds14
-rw-r--r--include/asm-mips/addrspace.h2
-rw-r--r--include/configs/MPC8541CDS.h1
-rw-r--r--include/configs/MPC8548CDS.h1
-rw-r--r--include/configs/MPC8555CDS.h1
-rw-r--r--include/configs/MPC8568MDS.h2
-rw-r--r--mips_config.mk25
19 files changed, 127 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/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
generated by cgit v1.1 at 2024-12-17 18:47:33 +0000