diff options
| -rw-r--r-- | arch/mips/config.mk | 20 | ||||
| -rw-r--r-- | arch/mips/cpu/mips32/config.mk | 19 | ||||
| -rw-r--r-- | arch/mips/cpu/xburst/config.mk | 5 | ||||
| -rw-r--r-- | arch/mips/cpu/xburst/cpu.c | 2 | ||||
| -rw-r--r-- | arch/mips/cpu/xburst/timer.c | 12 | ||||
| -rw-r--r-- | arch/mips/lib/Makefile | 20 | ||||
| -rw-r--r-- | arch/mips/lib/ashldi3.c | 25 | ||||
| -rw-r--r-- | arch/mips/lib/ashrdi3.c | 27 | ||||
| -rw-r--r-- | arch/mips/lib/libgcc.h | 25 | ||||
| -rw-r--r-- | arch/mips/lib/lshrdi3.c | 25 | ||||
| -rw-r--r-- | board/qi/qi_lb60/qi_lb60.c | 4 | ||||
| -rw-r--r-- | boards.cfg | 3 | ||||
| -rw-r--r-- | include/configs/qemu-mips.h | 7 | ||||
| -rw-r--r-- | include/configs/qi_lb60.h | 1 |
14 files changed, 162 insertions, 33 deletions
diff --git a/arch/mips/config.mk b/arch/mips/config.mk index 6ab8acdb1..de9140b67 100644 --- a/arch/mips/config.mk +++ b/arch/mips/config.mk @@ -23,7 +23,21 @@ CROSS_COMPILE ?= mips_4KC- -CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000 -T mips.lds +# Handle special prefix in ELDK 4.0 toolchain +ifneq (,$(findstring 4KCle,$(CROSS_COMPILE))) +ENDIANNESS := -EL +endif + +ifdef CONFIG_SYS_LITTLE_ENDIAN +ENDIANNESS := -EL +endif + +ifdef CONFIG_SYS_BIG_ENDIAN +ENDIANNESS := -EB +endif + +# Default to EB if no endianess is configured +ENDIANNESS ?= -EB PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__ @@ -47,8 +61,8 @@ PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__ # On the other hand, we want PIC in the U-Boot code to relocate it from ROM # to RAM. $28 is always used as gp. # -PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic +PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic $(ENDIANNESS) PLATFORM_CPPFLAGS += -msoft-float -PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib +PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib $(ENDIANNESS) PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections LDFLAGS_FINAL += --gc-sections diff --git a/arch/mips/cpu/mips32/config.mk b/arch/mips/cpu/mips32/config.mk index a1cd590a0..481e9844d 100644 --- a/arch/mips/cpu/mips32/config.mk +++ b/arch/mips/cpu/mips32/config.mk @@ -29,21 +29,6 @@ # MIPSFLAGS := -march=mips32r2 -# Handle special prefix in ELDK 4.0 toolchain -ifneq (,$(findstring 4KCle,$(CROSS_COMPILE))) -ENDIANNESS := -EL -endif +PLATFORM_CPPFLAGS += $(MIPSFLAGS) -ifdef CONFIG_SYS_LITTLE_ENDIAN -ENDIANNESS := -EL -endif - -ifdef CONFIG_SYS_BIG_ENDIAN -ENDIANNESS := -EB -endif - -# Default to EB if no endianess is configured -ENDIANNESS ?= -EB - -PLATFORM_CPPFLAGS += $(MIPSFLAGS) $(ENDIANNESS) -PLATFORM_LDFLAGS += $(ENDIANNESS) +CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000 -T mips.lds diff --git a/arch/mips/cpu/xburst/config.mk b/arch/mips/cpu/xburst/config.mk index bce0c1bcb..1536746c9 100644 --- a/arch/mips/cpu/xburst/config.mk +++ b/arch/mips/cpu/xburst/config.mk @@ -20,5 +20,6 @@ # MA 02111-1307 USA # -PLATFORM_CPPFLAGS += -march=mips32 -EL -PLATFORM_LDFLAGS += -EL +PLATFORM_CPPFLAGS += -march=mips32 + +CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000 -T mips.lds diff --git a/arch/mips/cpu/xburst/cpu.c b/arch/mips/cpu/xburst/cpu.c index e97634159..ddcbfaa47 100644 --- a/arch/mips/cpu/xburst/cpu.c +++ b/arch/mips/cpu/xburst/cpu.c @@ -62,7 +62,7 @@ void __attribute__((weak)) _machine_restart(void) writew(100, &wdt->tdr); /* wdt_set_data(100) */ writew(0, &wdt->tcnt); /* wdt_set_count(0); */ - writew(TCU_TSSR_WDTSC, &tcu->tscr); /* tcu_start_wdt_clock */ + writel(TCU_TSSR_WDTSC, &tcu->tscr); /* tcu_start_wdt_clock */ writeb(readb(&wdt->tcer) | WDT_TCER_TCEN, &wdt->tcer); /* wdt start */ while (1) diff --git a/arch/mips/cpu/xburst/timer.c b/arch/mips/cpu/xburst/timer.c index de6f5daa3..b6b3855ea 100644 --- a/arch/mips/cpu/xburst/timer.c +++ b/arch/mips/cpu/xburst/timer.c @@ -34,13 +34,13 @@ static struct jz4740_tcu *tcu = (struct jz4740_tcu *)JZ4740_TCU_BASE; void reset_timer_masked(void) { /* reset time */ - gd->lastinc = readw(&tcu->tcnt0); + gd->lastinc = readl(&tcu->tcnt0); gd->tbl = 0; } ulong get_timer_masked(void) { - ulong now = readw(&tcu->tcnt0); + ulong now = readl(&tcu->tcnt0); if (gd->lastinc <= now) gd->tbl += now - gd->lastinc; /* normal mode */ @@ -83,11 +83,11 @@ void udelay_masked(unsigned long usec) int timer_init(void) { - writew(TCU_TCSR_PRESCALE256 | TCU_TCSR_EXT_EN, &tcu->tcsr0); + writel(TCU_TCSR_PRESCALE256 | TCU_TCSR_EXT_EN, &tcu->tcsr0); - writew(0, &tcu->tcnt0); - writew(0, &tcu->tdhr0); - writew(TIMER_FDATA, &tcu->tdfr0); + writel(0, &tcu->tcnt0); + writel(0, &tcu->tdhr0); + writel(TIMER_FDATA, &tcu->tdfr0); /* mask irqs */ writel((1 << TIMER_CHAN) | (1 << (TIMER_CHAN + 16)), &tcu->tmsr); diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index 9244f3151..967e98a52 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile @@ -25,6 +25,13 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(ARCH).o +## Build a couple of necessary functions into a private libgcc +LIBGCC = $(obj)libgcc.o +GLSOBJS += ashldi3.o +GLSOBJS += ashrdi3.o +GLSOBJS += lshrdi3.o +LGOBJS := $(addprefix $(obj),$(GLSOBJS)) + SOBJS-y += COBJS-y += board.o @@ -37,9 +44,22 @@ endif SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) +# Always build libmips.o +TARGETS := $(LIB) + +# Build private libgcc only when asked for +ifdef USE_PRIVATE_LIBGCC +TARGETS += $(LIBGCC) +endif + +all: $(TARGETS) + $(LIB): $(obj).depend $(OBJS) $(call cmd_link_o_target, $(OBJS)) +$(LIBGCC): $(obj).depend $(LGOBJS) + $(call cmd_link_o_target, $(LGOBJS)) + ######################################################################### # defines $(obj).depend target diff --git a/arch/mips/lib/ashldi3.c b/arch/mips/lib/ashldi3.c new file mode 100644 index 000000000..9b50d866a --- /dev/null +++ b/arch/mips/lib/ashldi3.c @@ -0,0 +1,25 @@ +#include "libgcc.h" + +long long __ashldi3(long long u, word_type b) +{ + DWunion uu, w; + word_type bm; + + if (b == 0) + return u; + + uu.ll = u; + bm = 32 - b; + + if (bm <= 0) { + w.s.low = 0; + w.s.high = (unsigned int) uu.s.low << -bm; + } else { + const unsigned int carries = (unsigned int) uu.s.low >> bm; + + w.s.low = (unsigned int) uu.s.low << b; + w.s.high = ((unsigned int) uu.s.high << b) | carries; + } + + return w.ll; +} diff --git a/arch/mips/lib/ashrdi3.c b/arch/mips/lib/ashrdi3.c new file mode 100644 index 000000000..f30359b73 --- /dev/null +++ b/arch/mips/lib/ashrdi3.c @@ -0,0 +1,27 @@ +#include "libgcc.h" + +long long __ashrdi3(long long u, word_type b) +{ + DWunion uu, w; + word_type bm; + + if (b == 0) + return u; + + uu.ll = u; + bm = 32 - b; + + if (bm <= 0) { + /* w.s.high = 1..1 or 0..0 */ + w.s.high = + uu.s.high >> 31; + w.s.low = uu.s.high >> -bm; + } else { + const unsigned int carries = (unsigned int) uu.s.high << bm; + + w.s.high = uu.s.high >> b; + w.s.low = ((unsigned int) uu.s.low >> b) | carries; + } + + return w.ll; +} diff --git a/arch/mips/lib/libgcc.h b/arch/mips/lib/libgcc.h new file mode 100644 index 000000000..05909d58e --- /dev/null +++ b/arch/mips/lib/libgcc.h @@ -0,0 +1,25 @@ +#ifndef __ASM_LIBGCC_H +#define __ASM_LIBGCC_H + +#include <asm/byteorder.h> + +typedef int word_type __attribute__ ((mode (__word__))); + +#ifdef __BIG_ENDIAN +struct DWstruct { + int high, low; +}; +#elif defined(__LITTLE_ENDIAN) +struct DWstruct { + int low, high; +}; +#else +#error I feel sick. +#endif + +typedef union { + struct DWstruct s; + long long ll; +} DWunion; + +#endif /* __ASM_LIBGCC_H */ diff --git a/arch/mips/lib/lshrdi3.c b/arch/mips/lib/lshrdi3.c new file mode 100644 index 000000000..bb340accb --- /dev/null +++ b/arch/mips/lib/lshrdi3.c @@ -0,0 +1,25 @@ +#include "libgcc.h" + +long long __lshrdi3(long long u, word_type b) +{ + DWunion uu, w; + word_type bm; + + if (b == 0) + return u; + + uu.ll = u; + bm = 32 - b; + + if (bm <= 0) { + w.s.high = 0; + w.s.low = (unsigned int) uu.s.high >> -bm; + } else { + const unsigned int carries = (unsigned int) uu.s.high << bm; + + w.s.high = (unsigned int) uu.s.high >> b; + w.s.low = ((unsigned int) uu.s.low >> b) | carries; + } + + return w.ll; +} diff --git a/board/qi/qi_lb60/qi_lb60.c b/board/qi/qi_lb60/qi_lb60.c index 3583d01c7..d9752096c 100644 --- a/board/qi/qi_lb60/qi_lb60.c +++ b/board/qi/qi_lb60/qi_lb60.c @@ -69,7 +69,7 @@ static void gpio_init(void) static void cpm_init(void) { struct jz4740_cpm *cpm = (struct jz4740_cpm *)JZ4740_CPM_BASE; - uint32_t reg = readw(&cpm->clkgr); + uint32_t reg = readl(&cpm->clkgr); reg |= CPM_CLKGR_IPU | CPM_CLKGR_CIM | @@ -81,7 +81,7 @@ static void cpm_init(void) CPM_CLKGR_UDC | CPM_CLKGR_AIC1; - writew(reg, &cpm->clkgr); + writel(reg, &cpm->clkgr); } int board_early_init_f(void) diff --git a/boards.cfg b/boards.cfg index e1239045e..ea5c7a9b7 100644 --- a/boards.cfg +++ b/boards.cfg @@ -390,7 +390,8 @@ M5485FFE m68k mcf547x_8x m548xevb freescale - M5485GFE m68k mcf547x_8x m548xevb freescale - M5485EVB:SYS_BUSCLK=100000000,SYS_BOOTSZ=4,SYS_DRAMSZ=64 M5485HFE m68k mcf547x_8x m548xevb freescale - M5485EVB:SYS_BUSCLK=100000000,SYS_BOOTSZ=2,SYS_DRAMSZ=64,SYS_NOR1SZ=16,SYS_VIDEO microblaze-generic microblaze microblaze microblaze-generic xilinx -qemu_mips mips mips32 qemu-mips - - qemu-mips +qemu_mips mips mips32 qemu-mips - - qemu-mips:SYS_BIG_ENDIAN +qemu_mipsel mips mips32 qemu-mips - - qemu-mips:SYS_LITTLE_ENDIAN vct_platinum mips mips32 vct micronas - vct:VCT_PLATINUM vct_platinumavc mips mips32 vct micronas - vct:VCT_PLATINUMAVC vct_platinumavc_onenand mips mips32 vct micronas - vct:VCT_PLATINUMAVC,VCT_ONENAND diff --git a/include/configs/qemu-mips.h b/include/configs/qemu-mips.h index 306c17336..b8b970504 100644 --- a/include/configs/qemu-mips.h +++ b/include/configs/qemu-mips.h @@ -100,7 +100,12 @@ */ #define CONFIG_SYS_LONGHELP /* undef to save memory */ -#define CONFIG_SYS_PROMPT "qemu-mips # " /* Monitor Command Prompt */ +/* Monitor Command Prompt */ +#if defined(CONFIG_SYS_LITTLE_ENDIAN) +#define CONFIG_SYS_PROMPT "qemu-mipsel # " +#else +#define CONFIG_SYS_PROMPT "qemu-mips # " +#endif #define CONFIG_AUTO_COMPLETE #define CONFIG_CMDLINE_EDITING diff --git a/include/configs/qi_lb60.h b/include/configs/qi_lb60.h index a3fc465e7..4bb5bbc69 100644 --- a/include/configs/qi_lb60.h +++ b/include/configs/qi_lb60.h @@ -11,6 +11,7 @@ #define __CONFIG_QI_LB60_H #define CONFIG_MIPS32 /* MIPS32 CPU core */ +#define CONFIG_SYS_LITTLE_ENDIAN #define CONFIG_JZSOC /* Jz SoC */ #define CONFIG_JZ4740 /* Jz4740 SoC */ #define CONFIG_NAND_JZ4740 |