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-rw-r--r--Makefile4
-rw-r--r--board/renesas/MigoR/lowlevel_init.S32
-rw-r--r--board/renesas/r2dplus/lowlevel_init.S44
-rw-r--r--cpu/sh2/Makefile2
-rw-r--r--cpu/sh3/Makefile2
-rw-r--r--cpu/sh3/time.c103
-rw-r--r--cpu/sh4/Makefile2
-rw-r--r--cpu/sh4/time.c98
-rw-r--r--drivers/pci/pci_sh7751.c4
-rw-r--r--drivers/serial/serial_sh.c2
-rw-r--r--include/asm-sh/cpu_sh4.h7
-rw-r--r--include/configs/ms7722se.h3
-rw-r--r--lib_sh/Makefile6
-rw-r--r--lib_sh/time.c83
-rw-r--r--lib_sh/time_sh2.c (renamed from cpu/sh2/time.c)16
15 files changed, 138 insertions, 270 deletions
diff --git a/Makefile b/Makefile
index ca91f05..7ef7df9 100644
--- a/Makefile
+++ b/Makefile
@@ -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;
}