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zy1000: add support for Linux host 

used /dev/mem and mmem() to memory map JTAG registers
into user space and used new configure options to exclude
eCos specific code.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Øyvind Harboe 2010-09-07 20:27:45 +02:00
parent 549d974814
commit 61780558e1
2 changed files with 45 additions and 6 deletions
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13
src/jtag/zy1000/jtag_minidriver.h
View File

@ -21,12 +21,19 @@
#define TEST_MANUAL() 0
#define VERBOSE(a)
#if BUILD_ECOSBOARD
#if BUILD_ZY1000_MASTER
#if BUILD_ECOSBOARD
#include <cyg/hal/hal_io.h> // low level i/o
#include <cyg/hal/hal_intr.h> // low level i/o
#define ZY1000_PEEK(a, b) HAL_READ_UINT32(a, b)
#define ZY1000_POKE(a, b) HAL_WRITE_UINT32(a, b)
#else
#define ZY1000_PEEK(a, b) do {b = *( ( volatile uint32_t *)(a) );} while (0)
#define ZY1000_POKE(a, b) do {*( ( volatile uint32_t *)(a) ) = b;} while (0)
extern volatile void *zy1000_jtag_master;
#define ZY1000_JTAG_BASE ((unsigned long)zy1000_jtag_master)
#endif
#else
@ -41,7 +48,7 @@ extern uint32_t zy1000_tcpin(uint32_t address);
#if BUILD_ECOSBOARD
#if BUILD_ZY1000_MASTER
// FIFO empty?
static __inline__ void waitIdle(void)
{
@ -228,7 +235,7 @@ static __inline__ void interface_jtag_add_dr_out(struct jtag_tap *target_tap,
}
}
#if BUILD_ECOSBOARD
#if BUILD_ZY1000_MASTER
#define interface_jtag_add_callback(callback, in) callback(in)
#define interface_jtag_add_callback4(callback, in, data1, data2, data3) jtag_set_error(callback(in, data1, data2, data3))
#else

38
src/jtag/zy1000/zy1000.c
View File

@ -321,7 +321,7 @@ COMMAND_HANDLER(handle_power_command)
return ERROR_OK;
}
#if !BUILD_ECOSBOARD
#if !BUILD_ZY1000_MASTER
static char *tcp_server = "notspecified";
static int jim_zy1000_server(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
@ -1002,6 +1002,7 @@ static const struct command_registration zy1000_commands[] = {
"With no arguments, prints status.",
.usage = "('on'|'off)",
},
#if BUILD_ZY1000_MASTER
#if BUILD_ECOSBOARD
{
.name = "zy1000_version",
@ -1010,6 +1011,7 @@ static const struct command_registration zy1000_commands[] = {
.help = "Print version info for zy1000.",
.usage = "['openocd'|'zy1000'|'date'|'time'|'pcb'|'fpga']",
},
#endif
#else
{
.name = "zy1000_server",
@ -1038,6 +1040,7 @@ static const struct command_registration zy1000_commands[] = {
};
#if !BUILD_ZY1000_MASTER || BUILD_ECOSBOARD
static int tcp_ip = -1;
/* Write large packets if we can */
@ -1106,6 +1109,7 @@ static bool readLong(uint32_t *out_data)
*out_data = data;
return true;
}
#endif
enum ZY1000_CMD
{
@ -1116,7 +1120,7 @@ enum ZY1000_CMD
};
#if !BUILD_ECOSBOARD
#if !BUILD_ZY1000_MASTER
#include <sys/socket.h> /* for socket(), connect(), send(), and recv() */
#include <arpa/inet.h> /* for sockaddr_in and inet_addr() */
@ -1566,20 +1570,48 @@ static void watchdog_server(cyg_addrword_t data)
}
#endif
#endif
#if BUILD_ZY1000_MASTER
int interface_jtag_add_sleep(uint32_t us)
{
jtag_sleep(us);
return ERROR_OK;
}
#endif
#if BUILD_ZY1000_MASTER && !BUILD_ECOSBOARD
volatile void *zy1000_jtag_master;
#include <sys/mman.h>
#endif
int zy1000_init(void)
{
#if BUILD_ECOSBOARD
LOG_USER("%s", ZYLIN_OPENOCD_VERSION);
#else
int fd;
if((fd = open("/dev/mem", O_RDWR | O_SYNC)) == -1)
{
LOG_ERROR("No access to /dev/mem");
return ERROR_FAIL;
}
#ifndef REGISTERS_BASE
#define REGISTERS_BASE 0x9002000
#define REGISTERS_SPAN 128
#endif
zy1000_jtag_master = mmap(0, REGISTERS_SPAN, PROT_READ | PROT_WRITE, MAP_SHARED, fd, REGISTERS_BASE);
if(zy1000_jtag_master == (void *) -1)
{
close(fd);
LOG_ERROR("No access to /dev/mem");
return ERROR_FAIL;
}
#endif
ZY1000_POKE(ZY1000_JTAG_BASE + 0x10, 0x30); // Turn on LED1 & LED2