Add support for TB5200 board
The TB5200 ("Tinybox") is a small baseboard for the TQM5200 module
integrated in a little aluminium case.
Patch by Martin Krause, 8 Jun 2006
Some code cleanup
diff --git a/board/gth2/config.mk b/board/gth2/config.mk
index 6d21ba1..2bc1338 100644
--- a/board/gth2/config.mk
+++ b/board/gth2/config.mk
@@ -39,4 +39,3 @@
endif
endif
endif
-
diff --git a/board/gth2/ee_access.c b/board/gth2/ee_access.c
index e293139..d4798c4 100644
--- a/board/gth2/ee_access.c
+++ b/board/gth2/ee_access.c
@@ -8,7 +8,7 @@
For documentaion, see data sheet for DS2438, 2438.pdf
By Thomas.Lange@corelatus.com 001025
-
+
Copyright (C) 2000-2005 Corelatus AB */
/* This program is free software; you can redistribute it and/or
@@ -105,7 +105,7 @@
/* Compute a new checksum with new byte, using previous checksum as input
See DS app note 17, understanding and using cyclic redundancy checks...
Also see DS2438, page 11 */
- return( crc_lookup[Old_crc ^ New_value ]);
+ return( crc_lookup[Old_crc ^ New_value ]);
}
int ee_crc_ok( u8 *Buffer, int Len, u8 Crc ){
@@ -119,16 +119,16 @@
Curr_byte++;
}
E_DEBUG("Calculated CRC = 0x%x, read = 0x%x\n", Curr_crc, Crc);
-
+
if(Curr_crc == Crc){
- /* Good */
+ /* Good */
return(TRUE);
}
printk(KERN_ERR"EE checksum error, Calculated CRC = 0x%x, read = 0x%x\n", Curr_crc, Crc);
return(FALSE);
}
-static void
+static void
set_idle(void){
/* Send idle and keep start time
Continous 1 is idle */
@@ -136,7 +136,7 @@
}
-static int
+static int
do_cpu_reset(void){
/* Release reset and verify that chip responds with presence pulse */
int Retries=0;
@@ -146,10 +146,10 @@
/* Send reset */
WRITE_PORT(0);
udelay(RESET_LOW_TIME);
-
+
/* Release reset */
WRITE_PORT(1);
-
+
/* Wait for EEPROM to drive output */
udelay(PRESENCE_TIMEOUT);
if(!READ_PORT){
@@ -166,17 +166,17 @@
}
printk(KERN_ERR"eeprom did not respond when releasing reset\n");
-
+
/* Make sure chip releases pin */
udelay(PRESENCE_LOW_TIME);
/* Set to idle again */
set_idle();
-
+
return(-EIO);
}
-static u8
+static u8
read_cpu_byte(void){
/* Read a single byte from EEPROM
Read LSb first */
@@ -186,36 +186,36 @@
u32 Flags;
E_DEBUG("Reading byte\n");
-
+
for(i=0;i<8;i++){
/* Small delay between pulses */
udelay(1);
-#ifdef __KERNEL__
- /* Disable irq */
+#ifdef __KERNEL__
+ /* Disable irq */
save_flags(Flags);
cli();
-#endif
+#endif
/* Pull down pin short time to start read
See page 26 in data sheet */
-
+
WRITE_PORT(0);
udelay(READ_LOW);
WRITE_PORT(1);
-
+
/* Wait for chip to drive pin */
udelay(READ_TIMEOUT);
-
+
Value = READ_PORT;
if(Value)
Value=1;
#ifdef __KERNEL__
- /* Enable irq */
+ /* Enable irq */
restore_flags(Flags);
#endif
-
+
/* Wait for chip to release pin */
udelay(TOTAL_READ_LOW-READ_TIMEOUT);
@@ -230,30 +230,30 @@
return(Result);
}
-static void
+static void
write_cpu_byte(u8 Byte){
/* Write a single byte to EEPROM
Write LSb first */
int i;
int Value;
u32 Flags;
-
+
E_DEBUG("Writing byte 0x%x\n",Byte);
-
+
for(i=0;i<8;i++){
/* Small delay between pulses */
udelay(1);
Value = Byte&1;
-
+
#ifdef __KERNEL__
- /* Disable irq */
+ /* Disable irq */
save_flags(Flags);
cli();
-#endif
+#endif
/* Pull down pin short time for a 1, long time for a 0
See page 26 in data sheet */
-
+
WRITE_PORT(0);
if(Value){
/* Write a 1 */
@@ -267,54 +267,54 @@
WRITE_PORT(1);
#ifdef __KERNEL__
- /* Enable irq */
+ /* Enable irq */
restore_flags(Flags);
#endif
if(Value)
/* Wait for chip to read the 1 */
udelay(TOTAL_WRITE_LOW-WRITE_1_LOW);
-
+
/* E_DEBUG("Wrote %d\n",Value); */
Byte>>=1;
}
}
int ee_do_cpu_command( u8 *Tx, int Tx_len, u8 *Rx, int Rx_len, int Send_skip ){
- /* Execute this command string, including
+ /* Execute this command string, including
giving reset and setting to idle after command
- if Rx_len is set, we read out data from EEPROM */
+ if Rx_len is set, we read out data from EEPROM */
int i;
E_DEBUG("Command, Tx_len %d, Rx_len %d\n", Tx_len, Rx_len );
-
+
if(do_cpu_reset()){
/* Failed! */
return(-EIO);
}
if(Send_skip)
- /* Always send SKIP_ROM first to tell chip we are sending a command,
+ /* Always send SKIP_ROM first to tell chip we are sending a command,
except when we read out rom data for chip */
write_cpu_byte(SKIP_ROM);
-
+
/* Always have Tx data */
for(i=0;i<Tx_len;i++){
write_cpu_byte(Tx[i]);
}
-
+
if(Rx_len){
for(i=0;i<Rx_len;i++){
Rx[i]=read_cpu_byte();
}
}
-
+
set_idle();
E_DEBUG("Command done\n");
return(0);
-}
+}
int ee_init_cpu_data(void){
int i;
@@ -323,7 +323,7 @@
/* Leave it floting since altera is driving the same pin */
set_idle();
- /* Copy all User EEPROM data to scratchpad */
+ /* Copy all User EEPROM data to scratchpad */
for(i=0;i<USER_PAGES;i++){
Tx[0]=RECALL_MEMORY;
Tx[1]=EE_USER_PAGE_0+i;
@@ -332,16 +332,16 @@
/* Make sure chip doesnt store measurements in NVRAM */
Tx[0]=WRITE_SCRATCHPAD;
- Tx[1]=0; /* Page */
+ Tx[1]=0; /* Page */
Tx[2]=9;
if(ee_do_cpu_command(Tx,3,NULL,0,TRUE)) return(-EIO);
Tx[0]=COPY_SCRATCHPAD;
if(ee_do_cpu_command(Tx,2,NULL,0,TRUE)) return(-EIO);
-
+
for(i=0;i<10;i++){
udelay(1000);
}
-
+
return(0);
}
diff --git a/board/gth2/ee_access.h b/board/gth2/ee_access.h
index c21730e..926199d 100644
--- a/board/gth2/ee_access.h
+++ b/board/gth2/ee_access.h
@@ -21,7 +21,7 @@
#define EE_BUSY 0x40000000
#define EE_ERROR 0x20000000
-/* Commands */
+/* Commands */
#define EE_CMD_NOP 0
#define EE_CMD_INIT_RES 1
#define EE_CMD_WR_BYTE 2
diff --git a/board/gth2/ee_dev.h b/board/gth2/ee_dev.h
index acc3418..89ef2f8 100644
--- a/board/gth2/ee_dev.h
+++ b/board/gth2/ee_dev.h
@@ -21,7 +21,7 @@
#ifndef INCeedevh
#define INCeedevh
-#define E_DEBUG(fmt,args...) if( Debug ) printk(KERN_DEBUG"EE: " fmt, ##args)
+#define E_DEBUG(fmt,args...) if( Debug ) printk(KERN_DEBUG"EE: " fmt, ##args)
/* MIPS */
#define WRITE_PORT(Value) write_gpio_data(Value)
diff --git a/board/gth2/gth2.c b/board/gth2/gth2.c
index 77fc5b4..ffeaf58 100644
--- a/board/gth2/gth2.c
+++ b/board/gth2/gth2.c
@@ -61,13 +61,13 @@
u32 *serial_log_offsetp = (u32*)SERIAL_LOG_BUFFER;
/* Copy buffer from last run */
- memcpy(serial_log_buffer + 4096,
- serial_log_buffer,
+ memcpy(serial_log_buffer + 4096,
+ serial_log_buffer,
4096);
memset(serial_log_buffer, 0, 4096);
- *serial_log_offsetp = 4;
+ *serial_log_offsetp = 4;
}
@@ -118,7 +118,7 @@
udelay(1);
*sys_outputclr = GPIO_LEDCLK;
udelay(1);
-
+
value<<=1;
}
/* Data is enable output */
@@ -228,7 +228,7 @@
printf ("Invalid boot count %u, setting 1\n", Count);
Count = 1;
}
-
+
printf ("Boot attempt %d\n", Count);
data = (System << 8) | Count;
@@ -241,9 +241,9 @@
}
static int random_system(void){
- /* EEPROM read failed. Just try to choose one
+ /* EEPROM read failed. Just try to choose one
system release and hope it works */
-
+
/* FIXME */
return(SYSTEM_BOOT);
}
@@ -320,8 +320,8 @@
data = *addr;
system = data >> 8;
count = data & 0xFF;
- if ((system != SYSTEM_BOOT) &
- (system != SYSTEM2_BOOT) &
+ if ((system != SYSTEM_BOOT) &
+ (system != SYSTEM2_BOOT) &
(system != FAILSAFE_BOOT)) {
printf ("*** Wrong system %d\n", system);
system = FAILSAFE_BOOT;
diff --git a/board/gth2/lowlevel_init.S b/board/gth2/lowlevel_init.S
index 62e3657..983ff70 100644
--- a/board/gth2/lowlevel_init.S
+++ b/board/gth2/lowlevel_init.S
@@ -197,11 +197,11 @@
/* RCE2 CP Altera */
li t0, MEM_STCFG2
- li t1, 0x00000280 /* BE, EW */
+ li t1, 0x00000280 /* BE, EW */
sw t1, 0(t0)
li t0, MEM_STTIME2
- li t1, 0x0303000c
+ li t1, 0x0303000c
sw t1, 0(t0)
li t0, MEM_STADDR2
@@ -210,11 +210,11 @@
/* RCE3 DP Altera */
li t0, MEM_STCFG3
- li t1, 0x00000280 /* BE, EW */
+ li t1, 0x00000280 /* BE, EW */
sw t1, 0(t0)
li t0, MEM_STTIME3
- li t1, 0x0303000c
+ li t1, 0x0303000c
sw t1, 0(t0)
li t0, MEM_STADDR3
@@ -428,14 +428,14 @@
li t0, 0x80000000
li t1, 0xFFF000 /* 64 MB */
mt1: lw t2, 0(t0)
- bne t0, t2, memhang
+ bne t0, t2, memhang
add t1, -1
add t0, 4
bne t1, zero, mt1
nop
nop
.globl clearmem
-clearmem:
+clearmem:
/* Clear memory */
li t0, 0x80000000
li t1, 0xFFF000 /* 64 MB */
@@ -445,10 +445,10 @@
bne t1, zero, mtc
nop
nop
-memtestend:
+memtestend:
j ra
nop
-
-memhang:
+
+memhang:
b memhang
nop