diff options
| -rw-r--r-- | Makefile | 4 | ||||
| -rw-r--r-- | board/renesas/MigoR/lowlevel_init.S | 32 | ||||
| -rw-r--r-- | board/renesas/r2dplus/lowlevel_init.S | 44 | ||||
| -rw-r--r-- | cpu/sh2/Makefile | 2 | ||||
| -rw-r--r-- | cpu/sh3/Makefile | 2 | ||||
| -rw-r--r-- | cpu/sh3/time.c | 103 | ||||
| -rw-r--r-- | cpu/sh4/Makefile | 2 | ||||
| -rw-r--r-- | cpu/sh4/time.c | 98 | ||||
| -rw-r--r-- | drivers/pci/pci_sh7751.c | 4 | ||||
| -rw-r--r-- | drivers/serial/serial_sh.c | 2 | ||||
| -rw-r--r-- | include/asm-sh/cpu_sh4.h | 7 | ||||
| -rw-r--r-- | include/configs/ms7722se.h | 3 | ||||
| -rw-r--r-- | lib_sh/Makefile | 6 | ||||
| -rw-r--r-- | lib_sh/time.c | 83 | ||||
| -rw-r--r-- | lib_sh/time_sh2.c (renamed from cpu/sh2/time.c) | 16 |
15 files changed, 138 insertions, 270 deletions
@@ -3205,7 +3205,7 @@ mimc200_config : unconfig rsk7203_config: unconfig @ >include/config.h @echo "#define CONFIG_RSK7203 1" >> include/config.h - @./mkconfig -a $(@:_config=) sh sh2 rsk7203 renesas + @$(MKCONFIG) -a $(@:_config=) sh sh2 rsk7203 renesas ######################################################################### ## sh3 (Renesas SuperH) @@ -3228,7 +3228,7 @@ ms7720se_config: unconfig MigoR_config : unconfig @mkdir -p $(obj)include @echo "#define CONFIG_MIGO_R 1" > $(obj)include/config.h - @./mkconfig -a $(@:_config=) sh sh4 MigoR renesas + @$(MKCONFIG) -a $(@:_config=) sh sh4 MigoR renesas ms7750se_config: unconfig @mkdir -p $(obj)include diff --git a/board/renesas/MigoR/lowlevel_init.S b/board/renesas/MigoR/lowlevel_init.S index e48f7b3..4c1900e 100644 --- a/board/renesas/MigoR/lowlevel_init.S +++ b/board/renesas/MigoR/lowlevel_init.S @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007 + * Copyright (C) 2007-2008 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> * * Copyright (C) 2007 @@ -211,25 +211,25 @@ PFC_PULCR_D: .long 0x6000 PFC_DRVCR_D: .long 0x0464 FRQCR_D: .long 0x07033639 PLLCR_D: .long 0x00005000 -DLLFRQ_D: .long 0x000004F6 ! 20080115 +DLLFRQ_D: .long 0x000004F6 CMNCR_A: .long CMNCR -CMNCR_D: .long 0x0000001B ! 20080115 -CS0BCR_A: .long CS0BCR ! Flash bank 1 +CMNCR_D: .long 0x0000001B +CS0BCR_A: .long CS0BCR CS0BCR_D: .long 0x24920400 -CS4BCR_A: .long CS4BCR ! -CS4BCR_D: .long 0x10003400 ! 20080115 -CS5ABCR_A: .long CS5ABCR ! +CS4BCR_A: .long CS4BCR +CS4BCR_D: .long 0x00003400 +CS5ABCR_A: .long CS5ABCR CS5ABCR_D: .long 0x24920400 -CS5BBCR_A: .long CS5BBCR ! +CS5BBCR_A: .long CS5BBCR CS5BBCR_D: .long 0x24920400 -CS6ABCR_A: .long CS6ABCR ! +CS6ABCR_A: .long CS6ABCR CS6ABCR_D: .long 0x24920400 CS0WCR_A: .long CS0WCR CS0WCR_D: .long 0x00000380 CS4WCR_A: .long CS4WCR -CS4WCR_D: .long 0x00100A81 ! 20080115 +CS4WCR_D: .long 0x00110080 CS5AWCR_A: .long CS5AWCR CS5AWCR_D: .long 0x00000300 CS5BWCR_A: .long CS5BWCR @@ -238,20 +238,20 @@ CS6AWCR_A: .long CS6AWCR CS6AWCR_D: .long 0x00000300 SDCR_A: .long SBSC_SDCR -SDCR_D: .long 0x80160809 ! 20080115 +SDCR_D: .long 0x80160809 SDWCR_A: .long SBSC_SDWCR -SDWCR_D: .long 0x0014450C ! 20080115 +SDWCR_D: .long 0x0014450C SDPCR_A: .long SBSC_SDPCR SDPCR_D: .long 0x00000087 RTCOR_A: .long SBSC_RTCOR RTCNT_A: .long SBSC_RTCNT RTCNT_D: .long 0xA55A0012 -RTCOR_D: .long 0xA55A001C ! 20080115 +RTCOR_D: .long 0xA55A001C RTCSR_A: .long SBSC_RTCSR RFCR_A: .long SBSC_RFCR RFCR_D: .long 0xA55A0221 -RTCSR_D: .long 0xA55A009a ! 20080115 -SDMR3_A: .long 0xFE581180 ! 20080115 +RTCSR_D: .long 0xA55A009a +SDMR3_A: .long 0xFE581180 SR_MASK_D: .long 0xEFFFFF0F @@ -260,5 +260,5 @@ SR_MASK_D: .long 0xEFFFFF0F SBSCR_D: .word 0x0044 PSCR_D: .word 0x0000 RWTCSR_D_1: .word 0xA507 -RWTCSR_D_2: .word 0xA504 ! 20080115 +RWTCSR_D_2: .word 0xA504 RWTCNT_D: .word 0x5A00 diff --git a/board/renesas/r2dplus/lowlevel_init.S b/board/renesas/r2dplus/lowlevel_init.S index 5755de8..28d2b37 100644 --- a/board/renesas/r2dplus/lowlevel_init.S +++ b/board/renesas/r2dplus/lowlevel_init.S @@ -11,7 +11,7 @@ .global lowlevel_init .text - .align 2 + .align 2 lowlevel_init: @@ -21,7 +21,7 @@ lowlevel_init: mov.l MMUCR_A,r1 mov.l MMUCR_D,r0 - mov.w r0,@r1 + mov.l r0,@r1 mov.l BCR1_A,r1 mov.l BCR1_D,r0 @@ -118,34 +118,34 @@ CCR_D_E: .long 0x8000090B FRQCR_A: .long FRQCR /* FRQCR Address */ FRQCR_D: .long 0x00000e0a /* 03/07/15 modify */ -BCR1_A: .long BCR1 /* BCR1 Address */ -BCR1_D: .long 0x00180008 -BCR2_A: .long BCR2 /* BCR2 Address */ -BCR2_D: .long 0xabe8 -BCR3_A: .long BCR3 /* BCR3 Address */ -BCR3_D: .long 0x0000 -BCR4_A: .long BCR4 /* BCR4 Address */ -BCR4_D: .long 0x00000010 -WCR1_A: .long WCR1 /* WCR1 Address */ -WCR1_D: .long 0x33343333 -WCR2_A: .long WCR2 /* WCR2 Address */ -WCR2_D: .long 0xcff86fbf -WCR3_A: .long WCR3 /* WCR3 Address */ -WCR3_D: .long 0x07777707 +BCR1_A: .long BCR1 /* BCR1 Address */ +BCR1_D: .long 0x00180008 +BCR2_A: .long BCR2 /* BCR2 Address */ +BCR2_D: .long 0xabe8 +BCR3_A: .long BCR3 /* BCR3 Address */ +BCR3_D: .long 0x0000 +BCR4_A: .long BCR4 /* BCR4 Address */ +BCR4_D: .long 0x00000010 +WCR1_A: .long WCR1 /* WCR1 Address */ +WCR1_D: .long 0x33343333 +WCR2_A: .long WCR2 /* WCR2 Address */ +WCR2_D: .long 0xcff86fbf +WCR3_A: .long WCR3 /* WCR3 Address */ +WCR3_D: .long 0x07777707 LED_A: .long 0x04000036 /* LED Address */ RTCNT_A: .long RTCNT /* RTCNT Address */ RTCNT_D: .long 0xA500 /* RTCNT Write Code A5h Data 00h */ RTCOR_A: .long RTCOR /* RTCOR Address */ -RTCOR_D: .long 0xA534 /* RTCOR Write Code */ +RTCOR_D: .long 0xA534 /* RTCOR Write Code */ RTCSR_A: .long RTCSR /* RTCSR Address */ RTCSR_D: .long 0xA510 /* RTCSR Write Code */ -SDMR3_A: .long 0xFF9400CC /* SDMR3 Address */ +SDMR3_A: .long 0xFF9400CC /* SDMR3 Address */ SDMR3_D: .long 0x55 MCR_A: .long MCR /* MCR Address */ -MCR_D1: .long 0x081901F4 /* MRSET:'0' */ -MCR_D2: .long 0x481901F4 /* MRSET:'1' */ -RFCR_A: .long RFCR /* RFCR Address */ -RFCR_D: .long 0xA400 /* RFCR Write Code A4h Data 00h */ +MCR_D1: .long 0x081901F4 /* MRSET:'0' */ +MCR_D2: .long 0x481901F4 /* MRSET:'1' */ +RFCR_A: .long RFCR /* RFCR Address */ +RFCR_D: .long 0xA400 /* RFCR Write Code A4h Data 00h */ PCR_A: .long PCR /* PCR Address */ PCR_D: .long 0x0000 MMUCR_A: .long MMUCR /* MMUCCR Address */ diff --git a/cpu/sh2/Makefile b/cpu/sh2/Makefile index 50f6720..e33ba0f 100644 --- a/cpu/sh2/Makefile +++ b/cpu/sh2/Makefile @@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a START = start.o -OBJS = cpu.o interrupts.o watchdog.o time.o # cache.o +OBJS = cpu.o interrupts.o watchdog.o all: .depend $(START) $(LIB) diff --git a/cpu/sh3/Makefile b/cpu/sh3/Makefile index 587413d..35e8f51 100644 --- a/cpu/sh3/Makefile +++ b/cpu/sh3/Makefile @@ -32,7 +32,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a SOBJS = start.o -COBJS = cpu.o interrupts.o watchdog.o time.o cache.o +COBJS = cpu.o interrupts.o watchdog.o cache.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/cpu/sh3/time.c b/cpu/sh3/time.c deleted file mode 100644 index aab3659..0000000 --- a/cpu/sh3/time.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * (C) Copyright 2007 - * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> - * - * (C) Copyright 2007 - * Nobobuhiro Iwamatsu <iwamatsu@nigauri.org> - * - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/processor.h> -#include <asm/io.h> - -#define TMU_MAX_COUNTER (~0UL) - -static void tmu_timer_start(unsigned int timer) -{ - if (timer > 2) - return; - - outb(inb(TSTR) | (1 << timer), TSTR); -} - -static void tmu_timer_stop(unsigned int timer) -{ - u8 val = inb(TSTR); - - if (timer > 2) - return; - outb(val & ~(1 << timer), TSTR); -} - -int timer_init(void) -{ - /* Divide clock by 4 */ - outw(0, TCR0); - - tmu_timer_stop(0); - tmu_timer_start(0); - return 0; -} - -/* - In theory we should return a true 64bit value (ie something that doesn't - overflow). However, we don't. Therefore if TMU runs at fastest rate of - 6.75 MHz this value will wrap after u-boot has been running for approx - 10 minutes. -*/ -unsigned long long get_ticks(void) -{ - return (0 - inl(TCNT0)); -} - -unsigned long get_timer(unsigned long base) -{ - return ((0 - inl(TCNT0)) - base); -} - -void set_timer(unsigned long t) -{ - outl(0 - t, TCNT0); -} - -void reset_timer(void) -{ - tmu_timer_stop(0); - set_timer(0); - tmu_timer_start(0); -} - -void udelay(unsigned long usec) -{ - unsigned int start = get_timer(0); - unsigned int end = start + (usec * ((CONFIG_SYS_HZ + 500000) / 1000000)); - - while (get_timer(0) < end) - continue; -} - -unsigned long get_tbclk(void) -{ - return CONFIG_SYS_HZ; -} diff --git a/cpu/sh4/Makefile b/cpu/sh4/Makefile index d3c5eef..3c96a49 100644 --- a/cpu/sh4/Makefile +++ b/cpu/sh4/Makefile @@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a SOBJS = start.o -COBJS = cpu.o interrupts.o watchdog.o time.o cache.o +COBJS = cpu.o interrupts.o watchdog.o cache.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/cpu/sh4/time.c b/cpu/sh4/time.c deleted file mode 100644 index 77e0ae2..0000000 --- a/cpu/sh4/time.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * (C) Copyright 2007 - * Nobobuhiro Iwamatsu <iwamatsu@nigauri.org> - * - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/processor.h> - -#define TMU_MAX_COUNTER (~0UL) - -static void tmu_timer_start (unsigned int timer) -{ - if (timer > 2) - return; - - *((volatile unsigned char *) TSTR) |= (1 << timer); -} - -static void tmu_timer_stop (unsigned int timer) -{ - u8 val = *((volatile u8 *)TSTR); - if (timer > 2) - return; - *((volatile unsigned char *)TSTR) = val &~(1 << timer); -} - -int timer_init (void) -{ - /* Divide clock by 4 */ - *(volatile u16 *)TCR0 = 0; - - tmu_timer_stop(0); - tmu_timer_start(0); - return 0; -} - -/* - In theory we should return a true 64bit value (ie something that doesn't - overflow). However, we don't. Therefore if TMU runs at fastest rate of - 6.75 MHz this value will wrap after u-boot has been running for approx - 10 minutes. -*/ -unsigned long long get_ticks (void) -{ - return (0 - *((volatile u32 *) TCNT0)); -} - -unsigned long get_timer (unsigned long base) -{ - return ((0 - *((volatile u32 *) TCNT0)) - base); -} - -void set_timer (unsigned long t) -{ - *((volatile unsigned int *) TCNT0) = (0 - t); -} - -void reset_timer (void) -{ - tmu_timer_stop(0); - set_timer (0); - tmu_timer_start(0); -} - -void udelay (unsigned long usec) -{ - unsigned int start = get_timer (0); - unsigned int end = start + (usec * ((CONFIG_SYS_HZ + 500000) / 1000000)); - - while (get_timer (0) < end) - continue; -} - -unsigned long get_tbclk (void) -{ - return CONFIG_SYS_HZ; -} diff --git a/drivers/pci/pci_sh7751.c b/drivers/pci/pci_sh7751.c index e3a0ea0..df6d76f 100644 --- a/drivers/pci/pci_sh7751.c +++ b/drivers/pci/pci_sh7751.c @@ -187,8 +187,8 @@ int pci_sh7751_init(struct pci_controller *hose) /* Copy BSC registers into PCI BSC */ p4_out(inl(SH7751_BCR1), SH7751_PCIBCR1); - p4_out(inl(SH7751_BCR2), SH7751_PCIBCR2); - p4_out(inl(SH7751_BCR3), SH7751_PCIBCR3); + p4_out(inw(SH7751_BCR2), SH7751_PCIBCR2); + p4_out(inw(SH7751_BCR3), SH7751_PCIBCR3); p4_out(inl(SH7751_WCR1), SH7751_PCIWCR1); p4_out(inl(SH7751_WCR2), SH7751_PCIWCR2); p4_out(inl(SH7751_WCR3), SH7751_PCIWCR3); diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index f30532b..1d76a19 100644 --- a/drivers/serial/serial_sh.c +++ b/drivers/serial/serial_sh.c @@ -94,7 +94,7 @@ # define LSR_ORER 1 # define FIFOLEVEL_MASK 0x1F #elif defined(CONFIG_CPU_SH7720) -# define SCLSR (vu_short *)(SCIF_BASE + 0x24) +# define SCLSR SCFSR # define LSR_ORER 0x0200 # define FIFOLEVEL_MASK 0x1F #elif defined(CONFIG_CPU_SH7710) || \ diff --git a/include/asm-sh/cpu_sh4.h b/include/asm-sh/cpu_sh4.h index b6cc6cf..d2dbfcd 100644 --- a/include/asm-sh/cpu_sh4.h +++ b/include/asm-sh/cpu_sh4.h @@ -26,8 +26,15 @@ #define CCR_CACHE_ICI 0x00000800 #define CACHE_OC_ADDRESS_ARRAY 0xf4000000 + +#if defined (CONFIG_CPU_SH7750) || \ + defined(CONFIG_CPU_SH7751) #define CACHE_OC_WAY_SHIFT 14 #define CACHE_OC_NUM_ENTRIES 512 +#else +#define CACHE_OC_WAY_SHIFT 13 +#define CACHE_OC_NUM_ENTRIES 256 +#endif #define CACHE_OC_ENTRY_SHIFT 5 #if defined (CONFIG_CPU_SH7750) || \ diff --git a/include/configs/ms7722se.h b/include/configs/ms7722se.h index 9997c9b..5202004 100644 --- a/include/configs/ms7722se.h +++ b/include/configs/ms7722se.h @@ -31,10 +31,13 @@ #define CONFIG_MS7722SE 1 #define CONFIG_CMD_FLASH +#define CONFIG_CMD_JFFS2 #define CONFIG_CMD_NET +#define CONFIG_CMD_NFS #define CONFIG_CMD_PING #define CONFIG_CMD_DFL #define CONFIG_CMD_SDRAM +#define CONFIG_CMD_MEMORY #define CONFIG_CMD_ENV #define CONFIG_BAUDRATE 115200 diff --git a/lib_sh/Makefile b/lib_sh/Makefile index 4034381..f7c6479 100644 --- a/lib_sh/Makefile +++ b/lib_sh/Makefile @@ -26,7 +26,11 @@ SOBJS-y += COBJS-y += board.o COBJS-y += bootm.o -# COBJS-y += time.o +ifeq ($(CONFIG_SH2),y) +COBJS-y += time_sh2.o +else +COBJS-y += time.o +endif SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) diff --git a/lib_sh/time.c b/lib_sh/time.c index e637e95..2bd7715 100644 --- a/lib_sh/time.c +++ b/lib_sh/time.c @@ -1,6 +1,9 @@ /* - * Copyright (c) 2007 - * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * (C) Copyright 2007-2008 + * Nobobuhiro Iwamatsu <iwamatsu@nigauri.org> + * + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. @@ -23,50 +26,96 @@ #include <common.h> #include <asm/processor.h> +#include <asm/io.h> + +#define TMU_MAX_COUNTER (~0UL) +static int clk_adj = 1; static void tmu_timer_start (unsigned int timer) { if (timer > 2) return; + writeb(readb(TSTR) | (1 << timer), TSTR); +} - *((volatile unsigned char *) TSTR0) |= (1 << timer); +static void tmu_timer_stop (unsigned int timer) +{ + if (timer > 2) + return; + writeb(readb(TSTR) & ~(1 << timer), TSTR); } int timer_init (void) { - *(volatile u16 *)TCR0 = 0; + /* Divide clock by TMU_CLK_DIVIDER */ + u16 bit = 0; + switch( TMU_CLK_DIVIDER ){ + case 4: + bit = 0; + break; + case 16: + bit = 1; + break; + case 64: bit = 2; + break; + case 256: + bit = 3; + break; + case 1024: + bit = 4; + break; + default: + bit = 0; + break; + } + writew(readw(TCR0) | bit, TCR0); + + /* Clock adjustment calc */ + clk_adj = (int)(1.0/((1.0/CONFIG_SYS_HZ)*1000000)); + if (clk_adj < 1) + clk_adj = 1; + + tmu_timer_stop(0); + tmu_timer_start(0); - tmu_timer_start (0); return 0; } unsigned long long get_ticks (void) { - return (0 - *((volatile unsigned int *) TCNT0)); + return 0 - readl(TCNT0); } -unsigned long get_timer (unsigned long base) +static unsigned long get_usec (void) { - return ((0 - *((volatile unsigned int *) TCNT0)) - base); + return (0 - readl(TCNT0)); } -void set_timer (unsigned long t) +void udelay (unsigned long usec) { - *((volatile unsigned int *) TCNT0) = (0 - t); + unsigned int start = get_usec(); + unsigned int end = start + (usec * clk_adj); + + while (get_usec() < end) + continue; } -void reset_timer (void) +unsigned long get_timer (unsigned long base) { - set_timer (0); + /* return msec */ + return ((get_usec()/clk_adj)/1000) - base; } -void udelay (unsigned long usec) +void set_timer (unsigned long t) { - unsigned int start = get_timer (0); - unsigned int end = start + (usec * ((CONFIG_SYS_HZ + 500000) / 1000000)); + writel((0 - t), TCNT0); +} - while (get_timer (0) < end) - continue; +void reset_timer (void) +{ + tmu_timer_stop(0); + set_timer (0); + tmu_timer_start(0); } unsigned long get_tbclk (void) diff --git a/cpu/sh2/time.c b/lib_sh/time_sh2.c index fcbb921..4f893c8 100644 --- a/cpu/sh2/time.c +++ b/lib_sh/time_sh2.c @@ -65,8 +65,8 @@ unsigned long long get_ticks(void) return cmt0_timer; } -static vu_long cmcnt; -ulong get_timer(ulong base) +static vu_long cmcnt = 0; +static unsigned long get_usec (void) { ulong data = readw(CMCNT_0); @@ -81,7 +81,13 @@ ulong get_timer(ulong base) cmt0_timer += cmcnt; cmcnt = data; - return cmt0_timer - base; + return cmt0_timer; +} + +/* return msec */ +ulong get_timer(ulong base) +{ + return (get_usec()/1000) - base; } void set_timer(ulong t) @@ -99,9 +105,9 @@ void reset_timer(void) void udelay(unsigned long usec) { - unsigned int start = get_timer(0); + unsigned long end = get_usec() + usec; - while (get_timer((ulong) start) < (usec * (CONFIG_SYS_HZ / 1000000))) + while (get_usec() < end) continue; } |