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sh: Update core code of SuperH.

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Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Nobuhiro Iwamatsu 2007-09-23 02:12:30 +09:00
parent b8685affe6
commit b02bad1286
16 changed files with 960 additions and 266 deletions
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2
cpu/sh4/Makefile
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@ -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
OBJS = cpu.o interrupts.o watchdog.o time.o cache.o
all: .depend $(START) $(LIB)

108
cpu/sh4/cache.c Normal file
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@ -0,0 +1,108 @@
/*
* (C) Copyright 2007
* Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* 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 <command.h>
#include <asm/processor.h>
#include <asm/io.h>
/*
* Jump to P2 area.
* When handling TLB or caches, we need to do it from P2 area.
*/
#define jump_to_P2() \
do { \
unsigned long __dummy; \
__asm__ __volatile__( \
"mov.l 1f, %0\n\t" \
"or %1, %0\n\t" \
"jmp @%0\n\t" \
" nop\n\t" \
".balign 4\n" \
"1: .long 2f\n" \
"2:" \
: "=&r" (__dummy) \
: "r" (0x20000000)); \
} while (0)
/*
* Back to P1 area.
*/
#define back_to_P1() \
do { \
unsigned long __dummy; \
__asm__ __volatile__( \
"nop;nop;nop;nop;nop;nop;nop\n\t" \
"mov.l 1f, %0\n\t" \
"jmp @%0\n\t" \
" nop\n\t" \
".balign 4\n" \
"1: .long 2f\n" \
"2:" \
: "=&r" (__dummy)); \
} while (0)
#define CACHE_VALID 1
#define CACHE_UPDATED 2
static inline void cache_wback_all(void)
{
unsigned long addr, data, i, j;
jump_to_P2();
for (i = 0; i < CACHE_OC_NUM_ENTRIES; i++){
for (j = 0; j < CACHE_OC_NUM_WAYS; j++) {
addr = CACHE_OC_ADDRESS_ARRAY | (j << CACHE_OC_WAY_SHIFT)
| (i << CACHE_OC_ENTRY_SHIFT);
data = inl(addr);
if (data & CACHE_UPDATED) {
data &= ~CACHE_UPDATED;
outl(data, addr);
}
}
}
back_to_P1();
}
#define CACHE_ENABLE 0
#define CACHE_DISABLE 1
int cache_control(unsigned int cmd)
{
unsigned long ccr;
jump_to_P2();
ccr = inl(CCR);
if (ccr & CCR_CACHE_ENABLE)
cache_wback_all();
if (cmd == CACHE_DISABLE)
outl(CCR_CACHE_STOP, CCR);
else
outl(CCR_CACHE_INIT, CCR);
back_to_P1();
return 0;
}

24
cpu/sh4/cpu.c
View File

@ -23,6 +23,7 @@
#include <common.h>
#include <command.h>
#include <asm/processor.h>
int checkcpu(void)
{
@ -48,20 +49,35 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
return 0;
}
void flush_cache (unsigned long addr, unsigned long size){}
void flush_cache (unsigned long addr, unsigned long size)
{
}
void icache_enable (void)
{
cache_control(0);
}
void icache_disable (void)
{
cache_control(1);
}
int icache_status (void)
{
return 0;
}
void dcache_enable (void)
{
}
void dcache_disable (void)
{
}
int dcache_status (void)
{
return 0;
}

34
cpu/sh4/time.c
View File

@ -1,4 +1,7 @@
/*
* (C) Copyright 2007
* Nobobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* (C) Copyright 2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
@ -31,7 +34,15 @@ static void tmu_timer_start (unsigned int timer)
if (timer > 2)
return;
*((volatile unsigned char *) TSTR0) |= (1 << timer);
*((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)
@ -39,7 +50,8 @@ int timer_init (void)
/* Divide clock by 4 */
*(volatile u16 *)TCR0 = 0;
tmu_timer_start (0);
tmu_timer_stop(0);
tmu_timer_start(0);
return 0;
}
@ -51,15 +63,12 @@ int timer_init (void)
*/
unsigned long long get_ticks (void)
{
return (0 - *((volatile unsigned int *) TCNT0));
return (0 - *((volatile u32 *) TCNT0));
}
unsigned long get_timer (unsigned long base)
{
unsigned long n =
*((volatile unsigned int *)TCNT0) ;
return ((int)n - base ) < 0 ? ( TMU_MAX_COUNTER - ( base -n )):(n - base );
return ((0 - *((volatile u32 *) TCNT0)) - base);
}
void set_timer (unsigned long t)
@ -69,19 +78,15 @@ void set_timer (unsigned long 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 = 0;
if (usec > 1000000)
end = ((usec/100000) * CFG_HZ) / 10;
else if (usec > 1000)
end = ((usec/100) * CFG_HZ) / 10000;
else
end = (usec * CFG_HZ) / 1000000;
unsigned int end = start + (usec * ((CFG_HZ + 500000) / 1000000));
while (get_timer (0) < end)
continue;
@ -91,4 +96,3 @@ unsigned long get_tbclk (void)
{
return CFG_HZ;
}

6
cpu/sh4/watchdog.c
View File

@ -32,11 +32,13 @@ static void cnt_write (unsigned char value){
while (csr_read() & (1 << 5)) {
/* delay */
}
*((volatile unsigned short *)(WDT_BASE + 0x00)) = ((unsigned short) value) | 0x5A00;
*((volatile unsigned short *)(WDT_BASE + 0x00))
= ((unsigned short) value) | 0x5A00;
}
static void csr_write (unsigned char value){
*((volatile unsigned short *)(WDT_BASE + 0x04)) = ((unsigned short) value) | 0xA500;
*((volatile unsigned short *)(WDT_BASE + 0x04))
= ((unsigned short) value) | 0xA500;
}

173
include/asm-sh/bitops.h
View File

@ -1,13 +1,166 @@
#ifndef __ASM_SH_BITOPS_H_
#define __ASM_SH_BITOPS_H_
#ifndef __ASM_SH_BITOPS_H
#define __ASM_SH_BITOPS_H
extern void set_bit(int nr, volatile void * a);
extern void clear_bit(int nr, volatile void * a);
extern int test_and_clear_bit(int nr, volatile void * a);
extern void change_bit(unsigned long nr, volatile void *addr);
extern int test_and_set_bit(int nr, volatile void * a);
extern int test_and_change_bit(int nr, volatile void * addr);
extern int test_bit(int nr, volatile void * a);
extern int ffs(int i);
#ifdef __KERNEL__
//#include <asm/system.h>
#include <asm/irqflags.h>
/* For __swab32 */
#include <asm/byteorder.h>
static inline void set_bit(int nr, volatile void * addr)
{
int mask;
volatile unsigned int *a = addr;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
local_irq_save(flags);
*a |= mask;
local_irq_restore(flags);
}
/*
* clear_bit() doesn't provide any barrier for the compiler.
*/
#define smp_mb__before_clear_bit() barrier()
#define smp_mb__after_clear_bit() barrier()
static inline void clear_bit(int nr, volatile void * addr)
{
int mask;
volatile unsigned int *a = addr;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
local_irq_save(flags);
*a &= ~mask;
local_irq_restore(flags);
}
static inline void change_bit(int nr, volatile void * addr)
{
int mask;
volatile unsigned int *a = addr;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
local_irq_save(flags);
*a ^= mask;
local_irq_restore(flags);
}
static inline int test_and_set_bit(int nr, volatile void * addr)
{
int mask, retval;
volatile unsigned int *a = addr;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
local_irq_save(flags);
retval = (mask & *a) != 0;
*a |= mask;
local_irq_restore(flags);
return retval;
}
static inline int test_and_clear_bit(int nr, volatile void * addr)
{
int mask, retval;
volatile unsigned int *a = addr;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
local_irq_save(flags);
retval = (mask & *a) != 0;
*a &= ~mask;
local_irq_restore(flags);
return retval;
}
static inline int test_and_change_bit(int nr, volatile void * addr)
{
int mask, retval;
volatile unsigned int *a = addr;
unsigned long flags;
a += nr >> 5;
mask = 1 << (nr & 0x1f);
local_irq_save(flags);
retval = (mask & *a) != 0;
*a ^= mask;
local_irq_restore(flags);
return retval;
}
//#include <asm-generic/bitops/non-atomic.h>
static inline unsigned long ffz(unsigned long word)
{
unsigned long result;
__asm__("1:\n\t"
"shlr %1\n\t"
"bt/s 1b\n\t"
" add #1, %0"
: "=r" (result), "=r" (word)
: "0" (~0L), "1" (word)
: "t");
return result;
}
/**
* ffs - find first bit in word.
* @word: The word to search
*
* Undefined if no bit exists, so code should check against 0 first.
*/
static inline int ffs(int x)
{
int r = 1;
if (!x)
return 0;
if (!(x & 0xffff)) {
x >>= 16;
r += 16;
}
if (!(x & 0xff)) {
x >>= 8;
r += 8;
}
if (!(x & 0xf)) {
x >>= 4;
r += 4;
}
if (!(x & 3)) {
x >>= 2;
r += 2;
}
if (!(x & 1)) {
x >>= 1;
r += 1;
}
return r;
}
#if 0
#include <asm-generic/bitops/find.h>
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ext2-non-atomic.h>
#include <asm-generic/bitops/ext2-atomic.h>
#include <asm-generic/bitops/minix.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/fls64.h>
#endif
#endif /* __KERNEL__ */
#endif /* __ASM_SH_BITOPS_H */

44
include/asm-sh/cpu_sh4.h
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@ -1,10 +1,48 @@
/*
* (C) Copyright 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* 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
*/
#ifndef _ASM_CPU_SH4_H_
#define _ASM_CPU_SH4_H_
/* cache control */
#define CCR_CACHE_STOP 0x00000808
#define CCR_CACHE_ENABLE 0x00000101
#define CCR_CACHE_ICI 0x00000800
#define CACHE_OC_ADDRESS_ARRAY 0xf4000000
#define CACHE_OC_WAY_SHIFT 14
#define CACHE_OC_NUM_ENTRIES 512
#define CACHE_OC_ENTRY_SHIFT 5
//#define CACHE_OC_NUM_WAYS 1
#if defined (CONFIG_CPU_SH7750)
#include <asm/cpu_sh7750.h>
#elif defined (CONFIG_CPU_SH7780)
#include <asm/cpu_sh7780.h>
//#ifdef CONFIG_CPU_TYPE_R
//#define CCR_CACHE_INIT 0x8000090d /* EMODE,ICI,ICE(16k),OCI,P1-wb,OCE(32k) */
//#else
//#define CCR_CACHE_INIT 0x0000090b
//#endif
#elif defined (CONFIG_CPU_SH7722)
#include <asm/cpu_sh7722.h>
//#define CCR_CACHE_INIT 0x0000090d
#else
#error "Unknown SH4 variant"
#endif
#endif
#endif /* _ASM_CPU_SH4_H_ */

281
include/asm-sh/cpu_sh7750.h
View File

@ -1,13 +1,44 @@
/*
* (C) Copyright 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* SH7750/SH7750S/SH7750R/SH7751/SH7751R
* Internal I/O register
*
* 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
*/
#ifndef _ASM_CPU_SH7750_H_
#define _ASM_CPU_SH7750_H_
#define PTEH 0xFF000000
#define PTEL 0xFF000004
#define TTB 0xFF000008
#define TEA 0xFF00000C
#define MMUCR 0xFF000010
#define BASRA 0xFF000014
#define BASRB 0xFF000018
#ifdef CONFIG_CPU_TYPE_R
#define CACHE_OC_NUM_WAYS 2
#define CCR_CACHE_INIT 0x8000090d /* EMODE,ICI,ICE(16k),OCI,P1-wb,OCE(32k) */
#else
#define CACHE_OC_NUM_WAYS 1
#define CCR_CACHE_INIT 0x0000090b
#endif
/* OCN */
#define PTEH 0xFF000000
#define PTEL 0xFF000004
#define TTB 0xFF000008
#define TEA 0xFF00000C
#define MMUCR 0xFF000010
#define BASRA 0xFF000014
#define BASRB 0xFF000018
#define CCR 0xFF00001C
#define TRA 0xFF000020
#define EXPEVT 0xFF000024
@ -15,6 +46,8 @@
#define PTEA 0xFF000034
#define QACR0 0xFF000038
#define QACR1 0xFF00003C
/* UBC */
#define BARA 0xFF200000
#define BAMRA 0xFF200004
#define BBRA 0xFF200008
@ -25,121 +58,139 @@
#define BDMRB 0xFF20001C
#define BRCR 0xFF200020
/* BSC */
#define BCR1 0xFF800000
#define BCR2 0xFF800004
#define BCR3 0xFF800050
#define BCR4 0xFE0A00F0
#define WCR1 0xFF800008
#define WCR2 0xFF80000C
#define WCR3 0xFF800010
#define MCR 0xFF800014
#define PCR 0xFF800018
#define RTCSR 0xFF80001C
#define RTCNT 0xFF800020
#define RTCOR 0xFF800024
#define RFCR 0xFF800028
#define PCTRA 0xFF80002C
#define PDTRA 0xFF800030
#define PCTRB 0xFF800040
#define PDTRB 0xFF800044
#define GPIOIC 0xFF800048
#define SAR0 0xFFA00000
#define DAR0 0xFFA00004
#define DMATCR0 0xFFA00008
#define CHCR0 0xFFA0000C
#define SAR1 0xFFA00010
#define DAR1 0xFFA00014
#define DMATCR1 0xFFA00018
#define CHCR1 0xFFA0001C
#define SAR2 0xFFA00020
#define DAR2 0xFFA00024
#define DMATCR2 0xFFA00028
#define CHCR2 0xFFA0002C
#define SAR3 0xFFA00030
#define DAR3 0xFFA00034
#define DMATCR3 0xFFA00038
#define CHCR3 0xFFA0003C
#define DMAOR 0xFFA00040
#define SAR4 0xFFA00050
#define DAR4 0xFFA00054
#define DMATCR4 0xFFA00058
#define BCR2 0xFF800004
#define BCR3 0xFF800050
#define BCR4 0xFE0A00F0
#define WCR1 0xFF800008
#define WCR2 0xFF80000C
#define WCR3 0xFF800010
#define MCR 0xFF800014
#define PCR 0xFF800018
#define RTCSR 0xFF80001C
#define RTCNT 0xFF800020
#define RTCOR 0xFF800024
#define RFCR 0xFF800028
#define PCTRA 0xFF80002C
#define PDTRA 0xFF800030
#define PCTRB 0xFF800040
#define PDTRB 0xFF800044
#define GPIOIC 0xFF800048
#define FRQCR 0xFFC00000
#define STBCR 0xFFC00004
#define WTCNT 0xFFC00008
#define WTCSR 0xFFC0000C
#define STBCR2 0xFFC00010
#define R64CNT 0xFFC80000
#define RSECCNT 0xFFC80004
#define RMINCNT 0xFFC80008
#define RHRCNT 0xFFC8000C
#define RWKCNT 0xFFC80010
#define RDAYCNT 0xFFC80014
#define RMONCNT 0xFFC80018
#define RYRCNT 0xFFC8001C
#define RSECAR 0xFFC80020
#define RMINAR 0xFFC80024
#define RHRAR 0xFFC80028
#define RWKAR 0xFFC8002C
#define RDAYAR 0xFFC80030
#define RMONAR 0xFFC80034
#define RCR1 0xFFC80038
#define RCR2 0xFFC8003C
#define RCR3 0xFFC80050
#define RYRAR 0xFFC80054
#define ICR 0xFFD00000
#define IPRA 0xFFD00004
#define IPRB 0xFFD00008
#define IPRC 0xFFD0000C
#define IPRD 0xFFD00010
#define INTPRI 0xFE080000
#define INTREQ 0xFE080020
#define INTMSK 0xFE080040
#define INTMSKCL 0xFE080060
/* DMAC */
#define SAR0 0xFFA00000
#define DAR0 0xFFA00004
#define DMATCR0 0xFFA00008
#define CHCR0 0xFFA0000C
#define SAR1 0xFFA00010
#define DAR1 0xFFA00014
#define DMATCR1 0xFFA00018
#define CHCR1 0xFFA0001C
#define SAR2 0xFFA00020
#define DAR2 0xFFA00024
#define DMATCR2 0xFFA00028
#define CHCR2 0xFFA0002C
#define SAR3 0xFFA00030
#define DAR3 0xFFA00034
#define DMATCR3 0xFFA00038
#define CHCR3 0xFFA0003C
#define DMAOR 0xFFA00040
#define SAR4 0xFFA00050
#define DAR4 0xFFA00054
#define DMATCR4 0xFFA00058
/* CPG */
#define FRQCR 0xFFC00000
#define STBCR 0xFFC00004
#define WTCNT 0xFFC00008
#define WTCSR 0xFFC0000C
#define STBCR2 0xFFC00010
/* RTC */
#define R64CNT 0xFFC80000
#define RSECCNT 0xFFC80004
#define RMINCNT 0xFFC80008
#define RHRCNT 0xFFC8000C
#define RWKCNT 0xFFC80010
#define RDAYCNT 0xFFC80014
#define RMONCNT 0xFFC80018
#define RYRCNT 0xFFC8001C
#define RSECAR 0xFFC80020
#define RMINAR 0xFFC80024
#define RHRAR 0xFFC80028
#define RWKAR 0xFFC8002C
#define RDAYAR 0xFFC80030
#define RMONAR 0xFFC80034
#define RCR1 0xFFC80038
#define RCR2 0xFFC8003C
#define RCR3 0xFFC80050
#define RYRAR 0xFFC80054
/* ICR */
#define ICR 0xFFD00000
#define IPRA 0xFFD00004
#define IPRB 0xFFD00008
#define IPRC 0xFFD0000C
#define IPRD 0xFFD00010
#define INTPRI 0xFE080000
#define INTREQ 0xFE080020
#define INTMSK 0xFE080040
#define INTMSKCL 0xFE080060
/* CPG */
#define CLKSTP 0xFE0A0000
#define CLKSTPCLR 0xFE0A0008
#define TSTR2 0xFE100004
#define TCOR3 0xFE100008
#define TCNT3 0xFE10000C
#define TCR3 0xFE100010
#define TCOR4 0xFE100014
#define TCNT4 0xFE100018
#define TCR4 0xFE10001C
#define TOCR 0xFFD80000
#define TSTR0 0xFFD80004
#define TCOR0 0xFFD80008
#define TCNT0 0xFFD8000C
#define TCR0 0xFFD80010
#define TCOR1 0xFFD80014
#define TCNT1 0xFFD80018
#define TCR1 0xFFD8001C
#define TCOR2 0xFFD80020
#define TCNT2 0xFFD80024
#define TCR2 0xFFD80028
/* TMU */
#define TSTR2 0xFE100004
#define TCOR3 0xFE100008
#define TCNT3 0xFE10000C
#define TCR3 0xFE100010
#define TCOR4 0xFE100014
#define TCNT4 0xFE100018
#define TCR4 0xFE10001C
#define TOCR 0xFFD80000
#define TSTR0 0xFFD80004
#define TCOR0 0xFFD80008
#define TCNT0 0xFFD8000C
#define TCR0 0xFFD80010
#define TCOR1 0xFFD80014
#define TCNT1 0xFFD80018
#define TCR1 0xFFD8001C
#define TCOR2 0xFFD80020
#define TCNT2 0xFFD80024
#define TCR2 0xFFD80028
#define TCPR2 0xFFD8002C
#define SCSMR1 0xFFE00000
#define SCBRR1 0xFFE00004
#define SCSCR1 0xFFE00008
#define SCTDR1 0xFFE0000C
#define SCSSR1 0xFFE00010
#define SCRDR1 0xFFE00014
#define SCSCMR1 0xFFE00018
#define SCSPTR1 0xFFE0001C
#define TSTR TSTR0
/* SCI */
#define SCSMR1 0xFFE00000
#define SCBRR1 0xFFE00004
#define SCSCR1 0xFFE00008
#define SCTDR1 0xFFE0000C
#define SCSSR1 0xFFE00010
#define SCRDR1 0xFFE00014
#define SCSCMR1 0xFFE00018
#define SCSPTR1 0xFFE0001C
#define SCF0_BASE SCSMR1
/* SCIF */
#define SCSMR2 0xFFE80000
#define SCBRR2 0xFFE80004
#define SCSCR2 0xFFE80008
#define SCFTDR2 0xFFE8000C
#define SCFSR2 0xFFE80010
#define SCFRDR2 0xFFE80014
#define SCFCR2 0xFFE80018
#define SCFDR2 0xFFE8001C
#define SCSPTR2 0xFFE80020
#define SCLSR2 0xFFE80024
#define SCBRR2 0xFFE80004
#define SCSCR2 0xFFE80008
#define SCFTDR2 0xFFE8000C
#define SCFSR2 0xFFE80010
#define SCFRDR2 0xFFE80014
#define SCFCR2 0xFFE80018
#define SCFDR2 0xFFE8001C
#define SCSPTR2 0xFFE80020
#define SCLSR2 0xFFE80024
#define SCIF1_BASE SCSMR2
#define SDIR 0xFFF00000
#define SDDR 0xFFF00008
#define SDINT 0xFFF00014
/* H-UDI */
#define SDIR 0xFFF00000
#define SDDR 0xFFF00008
#define SDINT 0xFFF00014
#endif /* _ASM_CPU_SH7750_H_ */

156
include/asm-sh/errno.h Normal file
View File

@ -0,0 +1,156 @@
/*
* U-boot - errno.h Error number defines
*
* Copyright (c) 2005-2007 Analog Devices Inc.
*
* 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., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifndef _BLACKFIN_ERRNO_H
#define _BLACKFIN_ERRNO_H
#define EPERM 1 /* Operation not permitted */
#define ENOENT 2 /* No such file or directory */
#define ESRCH 3 /* No such process */
#define EINTR 4 /* Interrupted system call */
#define EIO 5 /* I/O error */
#define ENXIO 6 /* No such device or address */
#define E2BIG 7 /* Arg list too long */
#define ENOEXEC 8 /* Exec format error */
#define EBADF 9 /* Bad file number */
#define ECHILD 10 /* No child processes */
#define EAGAIN 11 /* Try again */
#define ENOMEM 12 /* Out of memory */
#define EACCES 13 /* Permission denied */
#define EFAULT 14 /* Bad address */
#define ENOTBLK 15 /* Block device required */
#define EBUSY 16 /* Device or resource busy */
#define EEXIST 17 /* File exists */
#define EXDEV 18 /* Cross-device link */
#define ENODEV 19 /* No such device */
#define ENOTDIR 20 /* Not a directory */
#define EISDIR 21 /* Is a directory */
#define EINVAL 22 /* Invalid argument */
#define ENFILE 23 /* File table overflow */
#define EMFILE 24 /* Too many open files */
#define ENOTTY 25 /* Not a typewriter */
#define ETXTBSY 26 /* Text file busy */
#define EFBIG 27 /* File too large */
#define ENOSPC 28 /* No space left on device */
#define ESPIPE 29 /* Illegal seek */
#define EROFS 30 /* Read-only file system */
#define EMLINK 31 /* Too many links */
#define EPIPE 32 /* Broken pipe */
#define EDOM 33 /* Math argument out of domain of func */
#define ERANGE 34 /* Math result not representable */
#define EDEADLK 35 /* Resource deadlock would occur */
#define ENAMETOOLONG 36 /* File name too long */
#define ENOLCK 37 /* No record locks available */
#define ENOSYS 38 /* Function not implemented */
#define ENOTEMPTY 39 /* Directory not empty */
#define ELOOP 40 /* Too many symbolic links encountered */
#define EWOULDBLOCK EAGAIN /* Operation would block */
#define ENOMSG 42 /* No message of desired type */
#define EIDRM 43 /* Identifier removed */
#define ECHRNG 44 /* Channel number out of range */
#define EL2NSYNC 45 /* Level 2 not synchronized */
#define EL3HLT 46 /* Level 3 halted */
#define EL3RST 47 /* Level 3 reset */
#define ELNRNG 48 /* Link number out of range */
#define EUNATCH 49 /* Protocol driver not attached */
#define ENOCSI 50 /* No CSI structure available */
#define EL2HLT 51 /* Level 2 halted */
#define EBADE 52 /* Invalid exchange */
#define EBADR 53 /* Invalid request descriptor */
#define EXFULL 54 /* Exchange full */
#define ENOANO 55 /* No anode */
#define EBADRQC 56 /* Invalid request code */
#define EBADSLT 57 /* Invalid slot */
#define EDEADLOCK EDEADLK
#define EBFONT 59 /* Bad font file format */
#define ENOSTR 60 /* Device not a stream */
#define ENODATA 61 /* No data available */
#define ETIME 62 /* Timer expired */
#define ENOSR 63 /* Out of streams resources */
#define ENONET 64 /* Machine is not on the network */
#define ENOPKG 65 /* Package not installed */
#define EREMOTE 66 /* Object is remote */
#define ENOLINK 67 /* Link has been severed */
#define EADV 68 /* Advertise error */
#define ESRMNT 69 /* Srmount error */
#define ECOMM 70 /* Communication error on send */
#define EPROTO 71 /* Protocol error */
#define EMULTIHOP 72 /* Multihop attempted */
#define EDOTDOT 73 /* RFS specific error */
#define EBADMSG 74 /* Not a data message */
#define EOVERFLOW 75 /* Value too large for defined data type */
#define ENOTUNIQ 76 /* Name not unique on network */
#define EBADFD 77 /* File descriptor in bad state */
#define EREMCHG 78 /* Remote address changed */
#define ELIBACC 79 /* Can not access a needed shared library */
#define ELIBBAD 80 /* Accessing a corrupted shared library */
#define ELIBSCN 81 /* .lib section in a.out corrupted */
#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
#define ELIBEXEC 83 /* Cannot exec a shared library directly */
#define EILSEQ 84 /* Illegal byte sequence */
#define ERESTART 85 /* Interrupted system call should be restarted */
#define ESTRPIPE 86 /* Streams pipe error */
#define EUSERS 87 /* Too many users */
#define ENOTSOCK 88 /* Socket operation on non-socket */
#define EDESTADDRREQ 89 /* Destination address required */
#define EMSGSIZE 90 /* Message too long */
#define EPROTOTYPE 91 /* Protocol wrong type for socket */
#define ENOPROTOOPT 92 /* Protocol not available */
#define EPROTONOSUPPORT 93 /* Protocol not supported */
#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
#define EPFNOSUPPORT 96 /* Protocol family not supported */
#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
#define EADDRINUSE 98 /* Address already in use */
#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
#define ENETDOWN 100 /* Network is down */
#define ENETUNREACH 101 /* Network is unreachable */
#define ENETRESET 102 /* Network dropped connection because of reset */
#define ECONNABORTED 103 /* Software caused connection abort */
#define ECONNRESET 104 /* Connection reset by peer */
#define ENOBUFS 105 /* No buffer space available */
#define EISCONN 106 /* Transport endpoint is already connected */
#define ENOTCONN 107 /* Transport endpoint is not connected */
#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
#define ETOOMANYREFS 109 /* Too many references: cannot splice */
#define ETIMEDOUT 110 /* Connection timed out */
#define ECONNREFUSED 111 /* Connection refused */
#define EHOSTDOWN 112 /* Host is down */
#define EHOSTUNREACH 113 /* No route to host */
#define EALREADY 114 /* Operation already in progress */
#define EINPROGRESS 115 /* Operation now in progress */
#define ESTALE 116 /* Stale NFS file handle */
#define EUCLEAN 117 /* Structure needs cleaning */
#define ENOTNAM 118 /* Not a XENIX named type file */
#define ENAVAIL 119 /* No XENIX semaphores available */
#define EISNAM 120 /* Is a named type file */
#define EREMOTEIO 121 /* Remote I/O error */
#define EDQUOT 122 /* Quota exceeded */
#define ENOMEDIUM 123 /* No medium found */
#define EMEDIUMTYPE 124 /* Wrong medium type */
#endif

97
include/asm-sh/io.h
View File

@ -91,23 +91,21 @@ extern void __raw_readsl(unsigned int addr, void *data, int longlen);
*
* The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space.
*/
#ifdef __io
#define outb(v,p) __raw_writeb(v,__io(p))
#define outw(v,p) __raw_writew(cpu_to_le16(v),__io(p))
#define outl(v,p) __raw_writel(cpu_to_le32(v),__io(p))
#define outb(v,p) __raw_writeb(v, p)
#define outw(v,p) __raw_writew(cpu_to_le16(v),p)
#define outl(v,p) __raw_writel(cpu_to_le32(v),p)
#define inb(p) ({ unsigned int __v = __raw_readb(__io(p)); __v; })
#define inw(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(__io(p))); __v; })
#define inl(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(__io(p))); __v; })
#define inb(p) ({ unsigned int __v = __raw_readb(p); __v; })
#define inw(p) ({ unsigned int __v = __le16_to_cpu(__raw_readw(p)); __v; })
#define inl(p) ({ unsigned int __v = __le32_to_cpu(__raw_readl(p)); __v; })
#define outsb(p,d,l) __raw_writesb(__io(p),d,l)
#define outsw(p,d,l) __raw_writesw(__io(p),d,l)
#define outsl(p,d,l) __raw_writesl(__io(p),d,l)
#define outsb(p,d,l) __raw_writesb(p,d,l)
#define outsw(p,d,l) __raw_writesw(p,d,l)
#define outsl(p,d,l) __raw_writesl(p,d,l)
#define insb(p,d,l) __raw_readsb(__io(p),d,l)
#define insw(p,d,l) __raw_readsw(__io(p),d,l)
#define insl(p,d,l) __raw_readsl(__io(p),d,l)
#endif
#define insb(p,d,l) __raw_readsb(p,d,l)
#define insw(p,d,l) __raw_readsw(p,d,l)
#define insl(p,d,l) __raw_readsl(p,d,l)
#define outb_p(val,port) outb((val),(port))
#define outw_p(val,port) outw((val),(port))
@ -174,8 +172,6 @@ extern void _memcpy_fromio(void *, unsigned long, size_t);
extern void _memcpy_toio(unsigned long, const void *, size_t);
extern void _memset_io(unsigned long, int, size_t);
extern void __readwrite_bug(const char *fn);
/*
* If this architecture has PCI memory IO, then define the read/write
* macros. These should only be used with the cookie passed from
@ -217,76 +213,19 @@ out:
#elif !defined(readb)
#define readb(addr) (__readwrite_bug("readb"),0)
#define readw(addr) (__readwrite_bug("readw"),0)
#define readl(addr) (__readwrite_bug("readl"),0)
#define writeb(v,addr) __readwrite_bug("writeb")
#define writew(v,addr) __readwrite_bug("writew")
#define writel(v,addr) __readwrite_bug("writel")
#define eth_io_copy_and_sum(a,b,c,d) __readwrite_bug("eth_io_copy_and_sum")
#define readb(addr) __raw_readb(addr)
#define readw(addr) __raw_readw(addr)
#define readl(addr) __raw_readl(addr)
#define writeb(v,addr) __raw_writeb(v, addr)
#define writew(v,addr) __raw_writew(v, addr)
#define writel(v,addr) __raw_writel(v, addr)
#define check_signature(io,sig,len) (0)
#endif /* __mem_pci */
/*
* If this architecture has ISA IO, then define the isa_read/isa_write
* macros.
*/
#ifdef __mem_isa
#define isa_readb(addr) __raw_readb(__mem_isa(addr))
#define isa_readw(addr) __raw_readw(__mem_isa(addr))
#define isa_readl(addr) __raw_readl(__mem_isa(addr))
#define isa_writeb(val,addr) __raw_writeb(val,__mem_isa(addr))
#define isa_writew(val,addr) __raw_writew(val,__mem_isa(addr))
#define isa_writel(val,addr) __raw_writel(val,__mem_isa(addr))
#define isa_memset_io(a,b,c) _memset_io(__mem_isa(a),(b),(c))
#define isa_memcpy_fromio(a,b,c) _memcpy_fromio((a),__mem_isa(b),(c))
#define isa_memcpy_toio(a,b,c) _memcpy_toio(__mem_isa((a)),(b),(c))
#define isa_eth_io_copy_and_sum(a,b,c,d) \
eth_copy_and_sum((a),__mem_isa(b),(c),(d))
static inline int
isa_check_signature(unsigned long io_addr, const unsigned char *signature,
int length)
{
int retval = 0;
do {
if (isa_readb(io_addr) != *signature)
goto out;
io_addr++;
signature++;
length--;
} while (length);
retval = 1;
out:
return retval;
}
#else /* __mem_isa */
#define isa_readb(addr) (__readwrite_bug("isa_readb"),0)
#define isa_readw(addr) (__readwrite_bug("isa_readw"),0)
#define isa_readl(addr) (__readwrite_bug("isa_readl"),0)
#define isa_writeb(val,addr) __readwrite_bug("isa_writeb")
#define isa_writew(val,addr) __readwrite_bug("isa_writew")
#define isa_writel(val,addr) __readwrite_bug("isa_writel")
#define isa_memset_io(a,b,c) __readwrite_bug("isa_memset_io")
#define isa_memcpy_fromio(a,b,c) __readwrite_bug("isa_memcpy_fromio")
#define isa_memcpy_toio(a,b,c) __readwrite_bug("isa_memcpy_toio")
#define isa_eth_io_copy_and_sum(a,b,c,d) \
__readwrite_bug("isa_eth_io_copy_and_sum")
#define isa_check_signature(io,sig,len) (0)
static inline void sync(void)
{
}
#endif /* __mem_isa */
#endif /* __KERNEL__ */
#endif /* __ASM_SH_IO_H */

126
include/asm-sh/irqflags.h Normal file
View File

@ -0,0 +1,126 @@
#ifndef __ASM_SH_IRQFLAGS_H
#define __ASM_SH_IRQFLAGS_H
static inline void raw_local_irq_enable(void)
{
unsigned long __dummy0, __dummy1;
__asm__ __volatile__ (
"stc sr, %0\n\t"
"and %1, %0\n\t"
#ifdef CONFIG_CPU_HAS_SR_RB
"stc r6_bank, %1\n\t"
"or %1, %0\n\t"
#endif
"ldc %0, sr\n\t"
: "=&r" (__dummy0), "=r" (__dummy1)
: "1" (~0x000000f0)
: "memory"
);
}
static inline void raw_local_irq_disable(void)
{
unsigned long flags;
__asm__ __volatile__ (
"stc sr, %0\n\t"
"or #0xf0, %0\n\t"
"ldc %0, sr\n\t"
: "=&z" (flags)
: /* no inputs */
: "memory"
);
}
static inline void set_bl_bit(void)
{
unsigned long __dummy0, __dummy1;
__asm__ __volatile__ (
"stc sr, %0\n\t"
"or %2, %0\n\t"
"and %3, %0\n\t"
"ldc %0, sr\n\t"
: "=&r" (__dummy0), "=r" (__dummy1)
: "r" (0x10000000), "r" (0xffffff0f)
: "memory"
);
}
static inline void clear_bl_bit(void)
{
unsigned long __dummy0, __dummy1;
__asm__ __volatile__ (
"stc sr, %0\n\t"
"and %2, %0\n\t"
"ldc %0, sr\n\t"
: "=&r" (__dummy0), "=r" (__dummy1)
: "1" (~0x10000000)
: "memory"
);
}
static inline unsigned long __raw_local_save_flags(void)
{
unsigned long flags;
__asm__ __volatile__ (
"stc sr, %0\n\t"
"and #0xf0, %0\n\t"
: "=&z" (flags)
: /* no inputs */
: "memory"
);
return flags;
}
#define raw_local_save_flags(flags) \
do { (flags) = __raw_local_save_flags(); } while (0)
static inline int raw_irqs_disabled_flags(unsigned long flags)
{
return (flags != 0);
}
static inline int raw_irqs_disabled(void)
{
unsigned long flags = __raw_local_save_flags();
return raw_irqs_disabled_flags(flags);
}
static inline unsigned long __raw_local_irq_save(void)
{
unsigned long flags, __dummy;
__asm__ __volatile__ (
"stc sr, %1\n\t"
"mov %1, %0\n\t"
"or #0xf0, %0\n\t"
"ldc %0, sr\n\t"
"mov %1, %0\n\t"
"and #0xf0, %0\n\t"
: "=&z" (flags), "=&r" (__dummy)
: /* no inputs */
: "memory"
);
return flags;
}
#define raw_local_irq_save(flags) \
do { (flags) = __raw_local_irq_save(); } while (0)
#define local_irq_save raw_local_irq_save
static inline void raw_local_irq_restore(unsigned long flags)
{
if ((flags & 0xf0) != 0xf0)
raw_local_irq_enable();
}
#define local_irq_restore raw_local_irq_restore
#endif /* __ASM_SH_IRQFLAGS_H */

30
include/asm-sh/string.h
View File

@ -8,6 +8,8 @@
* from linux kernel code.
*/
#ifdef __KERNEL__ /* only set these up for kernel code */
#define __HAVE_ARCH_STRCPY
static inline char *strcpy(char *__dest, const char *__src)
{
@ -129,4 +131,32 @@ extern size_t strlen(const char *);
/* arch/sh/lib/strcasecmp.c */
extern int strcasecmp(const char *, const char *);
#else /* KERNEL */
/*
* let user libraries deal with these,
* IMHO the kernel has no place defining these functions for user apps
*/
#define __HAVE_ARCH_STRCPY 1
#define __HAVE_ARCH_STRNCPY 1
#define __HAVE_ARCH_STRCAT 1
#define __HAVE_ARCH_STRNCAT 1
#define __HAVE_ARCH_STRCMP 1
#define __HAVE_ARCH_STRNCMP 1
#define __HAVE_ARCH_STRNICMP 1
#define __HAVE_ARCH_STRCHR 1
#define __HAVE_ARCH_STRRCHR 1
#define __HAVE_ARCH_STRSTR 1
#define __HAVE_ARCH_STRLEN 1
#define __HAVE_ARCH_STRNLEN 1
#define __HAVE_ARCH_MEMSET 1
#define __HAVE_ARCH_MEMCPY 1
#define __HAVE_ARCH_MEMMOVE 1
#define __HAVE_ARCH_MEMSCAN 1
#define __HAVE_ARCH_MEMCMP 1
#define __HAVE_ARCH_MEMCHR 1
#define __HAVE_ARCH_STRTOK 1
#endif /* KERNEL */
#endif /* __ASM_SH_STRING_H */

119
lib_sh/board.c
View File

@ -65,6 +65,61 @@ void *sbrk (ptrdiff_t increment)
return (void *) old;
}
static int sh_flash_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
gd->bd->bi_flashsize = flash_init();
printf("FLASH: %dMB\n", gd->bd->bi_flashsize / (1024*1024));
return 0;
}
#if defined(CONFIG_CMD_NAND)
void nand_init (void);
static int sh_nand_init(void)
{
printf("NAND: ");
nand_init(); /* go init the NAND */
return 0;
}
#endif /* CONFIG_CMD_NAND */
#if defined(CONFIG_CMD_IDE)
#include <ide.h>
static int sh_marubun_init(void)
{
puts ("IDE: ");
ide_init();
return 0;
}
#endif /* (CONFIG_CMD_IDE) */
static int sh_mem_env_init(void)
{
mem_malloc_init();
malloc_bin_reloc();
env_relocate();
jumptable_init();
return 0;
}
static int sh_net_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
char *s, *e;
int i;
gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
s = getenv("ethaddr");
for (i = 0; i < 6; ++i) {
gd->bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0;
if (s) s = (*e) ? e + 1 : e;
}
return 0;
}
typedef int (init_fnc_t) (void);
init_fnc_t *init_sequence[] =
@ -74,12 +129,27 @@ init_fnc_t *init_sequence[] =
interrupt_init, /* set up exceptions */
env_init, /* event init */
serial_init, /* SCIF init */
watchdog_init,
watchdog_init, /* watchdog init */
console_init_f,
display_options,
checkcpu,
checkboard,
checkboard, /* Check support board */
dram_init, /* SDRAM init */
timer_init, /* SuperH Timer (TCNT0 only) init */
sh_flash_init, /* Flash memory(NOR) init*/
sh_mem_env_init,
#if defined(CONFIG_CMD_NAND)
sh_nand_init, /* Flash memory (NAND) init */
#endif
devices_init,
console_init_r,
interrupt_init,
#ifdef BOARD_LATE_INIT
board_late_init,
#endif
#if defined(CONFIG_CMD_NET)
sh_net_init, /* SH specific eth init */
#endif
NULL /* Terminate this list */
};
@ -89,14 +159,14 @@ void sh_generic_init (void)
bd_t *bd;
init_fnc_t **init_fnc_ptr;
char *s, *e;
char *s;
int i;
memset (gd, 0, CFG_GBL_DATA_SIZE);
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
gd->bd = (bd_t *) (gd + 1); /* At end of global data */
gd->bd = (bd_t *) (gd + 1); /* At end of global data */
gd->baudrate = CONFIG_BAUDRATE;
gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
@ -111,53 +181,30 @@ void sh_generic_init (void)
#endif
bd->bi_baudrate = CONFIG_BAUDRATE;
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr , i++) {
if ((*init_fnc_ptr) () != 0) {
hang();
}
}
timer_init();
/* flash_init need timer_init().(TMU) */
bd->bi_flashsize = flash_init();
printf("FLASH: %dMB\n", bd->bi_flashsize / (1024*1024));
mem_malloc_init();
malloc_bin_reloc();
env_relocate();
#if (CONFIG_COMMANDS & CFG_CMD_NET)
bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
s = getenv ("ethaddr");
for (i = 0; i < 6; ++i) {
bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
if (s) s = (*e) ? e + 1 : e;
}
#endif
devices_init();
jumptable_init();
console_init_r();
interrupt_init();
#ifdef BOARD_LATE_INIT
board_late_init ();
#endif
#if (CONFIG_COMMANDS & CFG_CMD_NET)
#if defined(CONFIG_NET_MULTI)
#if defined(CONFIG_CMD_NET)
puts ("Net: ");
#endif
eth_initialize(gd->bd);
#endif
if ((s = getenv ("bootfile")) != NULL) {
copy_filename (BootFile, s, sizeof (BootFile));
}
#endif /* CONFIG_CMD_NET */
while (1) {
main_loop();
}
}
/***********************************************************************/
void hang (void)
{
puts ("Board ERROR \n");
puts ("Board ERROR\n");
for (;;);
}

1
lib_sh/sh_linux.c
View File

@ -69,6 +69,7 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
/* Setup parameters */
memset(PARAM, 0, 0x1000); /* Clear zero page */
strcpy(COMMAND_LINE, bootargs);
kernel();
}

1
lib_sh/time.c
View File

@ -73,4 +73,3 @@ unsigned long get_tbclk (void)
{
return CFG_HZ;
}

24
sh_config.mk Normal file
View File

@ -0,0 +1,24 @@
#
# (C) Copyright 2000-2002
# 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
#
PLATFORM_CPPFLAGS += -DCONFIG_SH -D__SH__