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tinyriscv-openocd
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git-svn-id: svn://svn.berlios.de/openocd/trunk@1184 b42882b7-edfa-0310-969c-e2dbd0fdcd60
__archive__
oharboe 2008-11-26 13:31:26 +00:00
parent 6d49edef7d
commit 7765c63649
2 changed files with 81 additions and 70 deletions
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103
src/ecosboard.c
View File

@ -543,10 +543,10 @@ static void setPower(bool power)
savePower = power;
if (power)
{
HAL_WRITE_UINT32(0x08000014, 0x8);
HAL_WRITE_UINT32(ZY1000_JTAG_BASE+0x14, 0x8);
} else
{
HAL_WRITE_UINT32(0x08000010, 0x8);
HAL_WRITE_UINT32(ZY1000_JTAG_BASE+0x10, 0x8);
}
}
@ -1413,7 +1413,6 @@ static char uart_stack[4096];
static char forwardBuffer[1024]; // NB! must be smaller than a TCP/IP packet!!!!!
static char backwardBuffer[1024];
static cyg_io_handle_t serial_handle;
void setNoDelay(int session, int flag)
{
@ -1686,6 +1685,16 @@ int handle_uart_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
//get existing serial configuration
len = sizeof(cyg_serial_info_t);
int err;
cyg_io_handle_t serial_handle;
err = cyg_io_lookup("/dev/ser0", &serial_handle);
if (err != ENOERR)
{
LOG_ERROR("/dev/ser0 not found\n");
return ERROR_FAIL;
}
err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_OUTPUT_DRAIN, &buf, &len);
err = cyg_io_get_config(serial_handle, CYG_IO_GET_CONFIG_SERIAL_INFO, &buf, &len);
if (err != ENOERR)
@ -1748,6 +1757,8 @@ int main(int argc, char *argv[])
ramblockdevice=(cyg_uint8 *)malloc(ramblockdevice_size);
memset(ramblockdevice, 0xff, ramblockdevice_size);
#ifdef CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION
setHandler(CYGNUM_HAL_VECTOR_UNDEF_INSTRUCTION);
setHandler(CYGNUM_HAL_VECTOR_ABORT_PREFETCH);
@ -1755,12 +1766,6 @@ int main(int argc, char *argv[])
#endif
int err;
err = cyg_io_lookup("/dev/ser0", &serial_handle);
if (err != ENOERR)
{
diag_printf("/dev/ser0 not found\n");
reboot();
}
setPower(true); // on by default
@ -1811,48 +1816,54 @@ int main(int argc, char *argv[])
err = mount("/dev/flash1", "/config", "jffs2");
if (err < 0)
{
diag_printf("unable to mount jffs\n");
reboot();
}
/* are we using a ram disk instead of a flash disk? This is used
* for ZY1000 live demo...
*
* copy over flash disk to ram block device
*/
if (boolParam("ramdisk"))
{
diag_printf("Unmounting /config from flash and using ram instead\n");
err=umount("/config");
if (err < 0)
diag_printf("unable to mount jffs2, falling back to ram disk..\n");
err = mount("", "/config", "ramfs");
if (err<0)
{
diag_printf("unable to unmount jffs\n");
diag_printf("unable to mount /config as ramdisk.\n");
reboot();
}
err = mount("/dev/flash1", "/config2", "jffs2");
if (err < 0)
{
diag_printf("unable to mount jffs\n");
reboot();
}
err = mount("/dev/ram", "/config", "jffs2");
if (err < 0)
{
diag_printf("unable to mount ram block device\n");
reboot();
}
// copydir("/config2", "/config");
copyfile("/config2/ip", "/config/ip");
copydir("/config2/settings", "/config/settings");
umount("/config2");
} else
{
/* we're not going to use a ram block disk */
free(ramblockdevice);
/* are we using a ram disk instead of a flash disk? This is used
* for ZY1000 live demo...
*
* copy over flash disk to ram block device
*/
if (boolParam("ramdisk"))
{
diag_printf("Unmounting /config from flash and using ram instead\n");
err=umount("/config");
if (err < 0)
{
diag_printf("unable to unmount jffs\n");
reboot();
}
err = mount("/dev/flash1", "/config2", "jffs2");
if (err < 0)
{
diag_printf("unable to mount jffs\n");
reboot();
}
err = mount("/dev/ram", "/config", "jffs2");
if (err < 0)
{
diag_printf("unable to mount ram block device\n");
reboot();
}
// copydir("/config2", "/config");
copyfile("/config2/ip", "/config/ip");
copydir("/config2/settings", "/config/settings");
umount("/config2");
} else
{
/* we're not going to use a ram block disk */
free(ramblockdevice);
}
}

48
src/jtag/zy1000.c
View File

@ -81,8 +81,8 @@ static bool readPowerDropout()
{
cyg_uint32 state;
// sample and clear power dropout
HAL_WRITE_UINT32(0x08000010, 0x80);
HAL_READ_UINT32(0x08000010, state);
HAL_WRITE_UINT32(ZY1000_JTAG_BASE+0x10, 0x80);
HAL_READ_UINT32(ZY1000_JTAG_BASE+0x10, state);
bool powerDropout;
powerDropout = (state & 0x80) != 0;
return powerDropout;
@ -93,8 +93,8 @@ static bool readSRST()
{
cyg_uint32 state;
// sample and clear SRST sensing
HAL_WRITE_UINT32(0x08000010, 0x00000040);
HAL_READ_UINT32(0x08000010, state);
HAL_WRITE_UINT32(ZY1000_JTAG_BASE+0x10, 0x00000040);
HAL_READ_UINT32(ZY1000_JTAG_BASE+0x10, state);
bool srstAsserted;
srstAsserted = (state & 0x40) != 0;
return srstAsserted;
@ -153,35 +153,35 @@ void zy1000_reset(int trst, int srst)
LOG_DEBUG("zy1000 trst=%d, srst=%d", trst, srst);
if(!srst)
{
ZY1000_POKE(0x08000014, 0x00000001);
ZY1000_POKE(ZY1000_JTAG_BASE+0x14, 0x00000001);
}
else
{
/* Danger!!! if clk!=0 when in
* idle in TAP_RTI, reset halt on str912 will fail.
*/
ZY1000_POKE(0x08000010, 0x00000001);
ZY1000_POKE(ZY1000_JTAG_BASE+0x10, 0x00000001);
}
if(!trst)
{
ZY1000_POKE(0x08000014, 0x00000002);
ZY1000_POKE(ZY1000_JTAG_BASE+0x14, 0x00000002);
}
else
{
/* assert reset */
ZY1000_POKE(0x08000010, 0x00000002);
ZY1000_POKE(ZY1000_JTAG_BASE+0x10, 0x00000002);
}
if (trst||(srst&&(jtag_reset_config & RESET_SRST_PULLS_TRST)))
{
waitIdle();
/* we're now in the TLR state until trst is deasserted */
ZY1000_POKE(0x08000020, TAP_TLR);
ZY1000_POKE(ZY1000_JTAG_BASE+0x20, TAP_TLR);
} else
{
/* We'll get RCLK failure when we assert TRST, so clear any false positives here */
ZY1000_POKE(0x08000014, 0x400);
ZY1000_POKE(ZY1000_JTAG_BASE+0x14, 0x400);
}
/* wait for srst to float back up */
@ -216,7 +216,7 @@ int zy1000_speed(int speed)
{
/*0 means RCLK*/
speed = 0;
ZY1000_POKE(0x08000010, 0x100);
ZY1000_POKE(ZY1000_JTAG_BASE+0x10, 0x100);
LOG_DEBUG("jtag_speed using RCLK");
}
else
@ -228,8 +228,8 @@ int zy1000_speed(int speed)
}
LOG_USER("jtag_speed %d => JTAG clk=%f", speed, 64.0/(float)speed);
ZY1000_POKE(0x08000014, 0x100);
ZY1000_POKE(0x0800001c, speed&~1);
ZY1000_POKE(ZY1000_JTAG_BASE+0x14, 0x100);
ZY1000_POKE(ZY1000_JTAG_BASE+0x1c, speed&~1);
}
return ERROR_OK;
}
@ -242,7 +242,7 @@ int zy1000_register_commands(struct command_context_s *cmd_ctx)
int zy1000_init(void)
{
ZY1000_POKE(0x08000010, 0x30); // Turn on LED1 & LED2
ZY1000_POKE(ZY1000_JTAG_BASE+0x10, 0x30); // Turn on LED1 & LED2
/* deassert resets. Important to avoid infinite loop waiting for SRST to deassert */
zy1000_reset(0, 0);
@ -324,9 +324,9 @@ int interface_jtag_execute_queue(void)
cyg_uint32 empty;
waitIdle();
ZY1000_PEEK(0x08000010, empty);
ZY1000_PEEK(ZY1000_JTAG_BASE+0x10, empty);
/* clear JTAG error register */
ZY1000_POKE(0x08000014, 0x400);
ZY1000_POKE(ZY1000_JTAG_BASE+0x14, 0x400);
if ((empty&0x400)!=0)
{
@ -347,7 +347,7 @@ static cyg_uint32 getShiftValue()
{
cyg_uint32 value;
waitIdle();
ZY1000_PEEK(0x0800000c, value);
ZY1000_PEEK(ZY1000_JTAG_BASE+0xc, value);
VERBOSE(LOG_INFO("getShiftValue %08x", value));
return value;
}
@ -356,7 +356,7 @@ static cyg_uint32 getShiftValueFlip()
{
cyg_uint32 value;
waitIdle();
ZY1000_PEEK(0x08000018, value);
ZY1000_PEEK(ZY1000_JTAG_BASE+0x18, value);
VERBOSE(LOG_INFO("getShiftValue %08x (flipped)", value));
return value;
}
@ -369,8 +369,8 @@ static void shiftValueInnerFlip(const enum tap_state state, const enum tap_state
cyg_uint32 a,b;
a=state;
b=endState;
ZY1000_POKE(0x0800000c, value);
ZY1000_POKE(0x08000008, (1<<15)|(repeat<<8)|(a<<4)|b);
ZY1000_POKE(ZY1000_JTAG_BASE+0xc, value);
ZY1000_POKE(ZY1000_JTAG_BASE+0x8, (1<<15)|(repeat<<8)|(a<<4)|b);
VERBOSE(getShiftValueFlip());
}
#endif
@ -680,10 +680,10 @@ int interface_jtag_add_runtest(int num_cycles, enum tap_state state)
{
tms = (tms_scan >> i) & 1;
waitIdle();
ZY1000_POKE(0x08000028, tms);
ZY1000_POKE(ZY1000_JTAG_BASE+0x28, tms);
}
waitIdle();
ZY1000_POKE(0x08000020, state);
ZY1000_POKE(ZY1000_JTAG_BASE+0x20, state);
#endif
@ -725,7 +725,7 @@ int interface_jtag_add_pathmove(int num_states, enum tap_state *path)
}
waitIdle();
ZY1000_POKE(0x08000028, tms);
ZY1000_POKE(ZY1000_JTAG_BASE+0x28, tms);
cur_state = path[state_count];
state_count++;
@ -733,7 +733,7 @@ int interface_jtag_add_pathmove(int num_states, enum tap_state *path)
}
waitIdle();
ZY1000_POKE(0x08000020, cur_state);
ZY1000_POKE(ZY1000_JTAG_BASE+0x20, cur_state);
return ERROR_OK;
}