X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Fat91rm9200.c;h=0015da06b0f9273f75d280c7db5eafa002103aec;hb=55abb63752196de5a2e79fc4944a6af24e6414f6;hp=ff9f7a4126046863c2747b391a9321b2db6431e9;hpb=865efd828a267992db0f2a92a731c5ce23a34236;p=openocd.git diff --git a/src/jtag/drivers/at91rm9200.c b/src/jtag/drivers/at91rm9200.c index ff9f7a4126..0015da06b0 100644 --- a/src/jtag/drivers/at91rm9200.c +++ b/src/jtag/drivers/at91rm9200.c @@ -13,20 +13,18 @@ * 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. * + * along with this program. If not, see . * ***************************************************************************/ + #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include "interface.h" +#include #include "bitbang.h" #include - /* AT91RM9200 */ #define AT91C_BASE_SYS (0xfffff000) @@ -78,9 +76,8 @@ #define P30 (1 << 30) #define P31 (1 << 31) -struct device_t -{ - char* name; +struct device_t { + const char *name; int TDO_PIO; /* PIO holding TDO */ uint32_t TDO_MASK; /* TDO bitmask */ int TRST_PIO; /* PIO holding TRST */ @@ -95,59 +92,43 @@ struct device_t uint32_t SRST_MASK; /* SRST bitmask */ }; -static struct device_t devices[] = -{ +static const struct device_t devices[] = { { "rea_ecr", PIOD, P27, PIOA, NC, PIOD, P23, PIOD, P24, PIOD, P26, PIOC, P5 }, { .name = NULL }, }; /* configuration */ -static char* at91rm9200_device; +static char *at91rm9200_device; /* interface variables */ -static struct device_t* device; +static const struct device_t *device; static int dev_mem_fd; static void *sys_controller; -static uint32_t* pio_base; +static uint32_t *pio_base; /* low level command set */ -static int at91rm9200_read(void); -static void at91rm9200_write(int tck, int tms, int tdi); -static void at91rm9200_reset(int trst, int srst); +static bb_value_t at91rm9200_read(void); +static int at91rm9200_write(int tck, int tms, int tdi); +static int at91rm9200_reset(int trst, int srst); -static int at91rm9200_speed(int speed); -static int at91rm9200_register_commands(struct command_context *cmd_ctx); static int at91rm9200_init(void); static int at91rm9200_quit(void); -struct jtag_interface at91rm9200_interface = -{ - .name = "at91rm9200", - - .execute_queue = bitbang_execute_queue, - - .speed = at91rm9200_speed, - .register_commands = at91rm9200_register_commands, - .init = at91rm9200_init, - .quit = at91rm9200_quit, -}; - -static struct bitbang_interface at91rm9200_bitbang = -{ +static struct bitbang_interface at91rm9200_bitbang = { .read = at91rm9200_read, .write = at91rm9200_write, .reset = at91rm9200_reset, .blink = 0 }; -static int at91rm9200_read(void) +static bb_value_t at91rm9200_read(void) { - return (pio_base[device->TDO_PIO + PIO_PDSR] & device->TDO_MASK) != 0; + return (pio_base[device->TDO_PIO + PIO_PDSR] & device->TDO_MASK) ? BB_HIGH : BB_LOW; } -static void at91rm9200_write(int tck, int tms, int tdi) +static int at91rm9200_write(int tck, int tms, int tdi) { if (tck) pio_base[device->TCK_PIO + PIO_SODR] = device->TCK_MASK; @@ -163,10 +144,12 @@ static void at91rm9200_write(int tck, int tms, int tdi) pio_base[device->TDI_PIO + PIO_SODR] = device->TDI_MASK; else pio_base[device->TDI_PIO + PIO_CODR] = device->TDI_MASK; + + return ERROR_OK; } /* (1) assert or (0) deassert reset lines */ -static void at91rm9200_reset(int trst, int srst) +static int at91rm9200_reset(int trst, int srst) { if (trst == 0) pio_base[device->TRST_PIO + PIO_SODR] = device->TRST_MASK; @@ -177,22 +160,17 @@ static void at91rm9200_reset(int trst, int srst) pio_base[device->SRST_PIO + PIO_SODR] = device->SRST_MASK; else if (srst == 1) pio_base[device->SRST_PIO + PIO_CODR] = device->SRST_MASK; -} - -static int at91rm9200_speed(int speed) -{ return ERROR_OK; } -static int at91rm9200_handle_device_command(struct command_context *cmd_ctx, char *cmd, char **CMD_ARGV, int argc) +COMMAND_HANDLER(at91rm9200_handle_device_command) { if (CMD_ARGC == 0) - return ERROR_OK; + return ERROR_COMMAND_SYNTAX_ERROR; /* only if the device name wasn't overwritten by cmdline */ - if (at91rm9200_device == 0) - { + if (at91rm9200_device == 0) { at91rm9200_device = malloc(strlen(CMD_ARGV[0]) + sizeof(char)); strcpy(at91rm9200_device, CMD_ARGV[0]); } @@ -207,37 +185,37 @@ static const struct command_registration at91rm9200_command_handlers[] = { .mode = COMMAND_CONFIG, .help = "query armjtagew info", }, + COMMAND_REGISTRATION_DONE }; -static int at91rm9200_register_commands(struct command_context *cmd_ctx) -{ - return register_commands(cmd_ctx, NULL, at91rm9200_command_handlers); -} +struct jtag_interface at91rm9200_interface = { + .name = "at91rm9200", + .execute_queue = bitbang_execute_queue, + .commands = at91rm9200_command_handlers, + .init = at91rm9200_init, + .quit = at91rm9200_quit, +}; static int at91rm9200_init(void) { - struct device_t *cur_device; + const struct device_t *cur_device; cur_device = devices; - if (at91rm9200_device == NULL || at91rm9200_device[0] == 0) - { + if (at91rm9200_device == NULL || at91rm9200_device[0] == 0) { at91rm9200_device = "rea_ecr"; LOG_WARNING("No at91rm9200 device specified, using default 'rea_ecr'"); } - while (cur_device->name) - { - if (strcmp(cur_device->name, at91rm9200_device) == 0) - { + while (cur_device->name) { + if (strcmp(cur_device->name, at91rm9200_device) == 0) { device = cur_device; break; } cur_device++; } - if (!device) - { + if (!device) { LOG_ERROR("No matching device found for %s", at91rm9200_device); return ERROR_JTAG_INIT_FAILED; } @@ -257,7 +235,7 @@ static int at91rm9200_init(void) close(dev_mem_fd); return ERROR_JTAG_INIT_FAILED; } - pio_base = (uint32_t*)sys_controller + 0x100; + pio_base = (uint32_t *)sys_controller + 0x100; /* * Configure TDO as an input, and TDI, TCK, TMS, TRST, SRST