void main(void)
{
// enable pinmux clamp inputs
clamp_tristate_inputs();
// enable JTAG at the earliest stage
enable_jtag();
clock_early_uart();
// Serial out, tristate off.
pinmux_set_config(PINMUX_KB_ROW9_INDEX, PINMUX_KB_ROW9_FUNC_UA3);
// Serial in, tristate_on.
pinmux_set_config(PINMUX_KB_ROW10_INDEX, PINMUX_KB_ROW10_FUNC_UA3 |
PINMUX_PULL_UP |
PINMUX_INPUT_ENABLE);
// Mux some pins away from uart A.
pinmux_set_config(PINMUX_UART2_CTS_N_INDEX,
PINMUX_UART2_CTS_N_FUNC_UB3 |
PINMUX_INPUT_ENABLE);
pinmux_set_config(PINMUX_UART2_RTS_N_INDEX,
PINMUX_UART2_RTS_N_FUNC_UB3);
if (CONFIG_BOOTBLOCK_CONSOLE) {
console_init();
exception_init();
}
clock_init();
bootblock_mainboard_init();
pinmux_set_config(PINMUX_CORE_PWR_REQ_INDEX,
PINMUX_CORE_PWR_REQ_FUNC_PWRON);
pinmux_set_config(PINMUX_CPU_PWR_REQ_INDEX,
PINMUX_CPU_PWR_REQ_FUNC_CPU);
pinmux_set_config(PINMUX_PWR_INT_N_INDEX,
PINMUX_PWR_INT_N_FUNC_PMICINTR |
PINMUX_INPUT_ENABLE);
run_romstage();
}
void main(void)
{
// enable JTAG at the earliest stage
enable_jtag();
clock_early_uart();
/* Configure mselect clock. */
clock_configure_source(mselect, PLLP, 102000);
/* Enable AVP cache, timer, APB dma, and mselect blocks. */
clock_enable_clear_reset(CLK_L_CACHE2 | CLK_L_TMR,
CLK_H_APBDMA,
0, CLK_V_MSELECT, 0, 0);
/* Find ODMDATA in IRAM and save it to scratch reg */
save_odmdata();
bootblock_mainboard_early_init();
if (CONFIG_BOOTBLOCK_CONSOLE) {
console_init();
exception_init();
printk(BIOS_INFO, "T132: Bootblock here\n");
}
clock_init();
printk(BIOS_INFO, "T132 bootblock: Clock init done\n");
pmc_print_rst_status();
bootblock_mainboard_init();
printk(BIOS_INFO, "T132 bootblock: Mainboard bootblock init done\n");
run_romstage();
}
int digilent::close()
{
enable_jtag(0);
#ifdef WIN32
if (handle_in != INVALID_HANDLE_VALUE)
CloseHandle(handle_in);
if (handle_out != INVALID_HANDLE_VALUE)
CloseHandle(handle_out);
handle_in = INVALID_HANDLE_VALUE;
handle_out = INVALID_HANDLE_VALUE;
#else
if (handle == NULL)
return -1;
usb_close(handle);
//usb_reset(handle);
handle = NULL;
#endif
return 0;
}
int digilent::open()
{
#ifdef WIN32
int rc = -1;
char device_name[MAX_PATH];
char name[MAX_PATH];
if (handle_in != INVALID_HANDLE_VALUE ||
handle_out != INVALID_HANDLE_VALUE)
// Already open
return -1;
// Find digilent USB device name
if (find_digilent_device_name(device_name) < 0)
goto cleanup;
sprintf(name, "\\\\.\\%s\\PIPE00", device_name);
handle_in = CreateFile(
name,
GENERIC_WRITE | GENERIC_READ,
FILE_SHARE_WRITE | FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0,
NULL);
sprintf(name, "\\\\.\\%s\\PIPE01", device_name);
handle_out = CreateFile(
name,
GENERIC_WRITE | GENERIC_READ,
FILE_SHARE_WRITE | FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0,
NULL);
if (handle_in == INVALID_HANDLE_VALUE ||
handle_out == INVALID_HANDLE_VALUE)
goto cleanup;
#else
int rc = -1;
struct usb_device* dev;
if (handle)
// Already open
return -1;
dev = find_digilent_device();
if (dev == NULL)
goto cleanup;
handle = usb_open(dev);
if (handle == NULL)
goto cleanup;
if (usb_set_configuration(handle, 1) < 0)
goto cleanup;
if (usb_claim_interface(handle, 0) < 0)
goto cleanup;
#endif
if (enable_jtag(1))
goto cleanup;
reset_tap_state();
rc = 0;
cleanup:
if (rc)
{
close();
msgf(STR_UNABLE_TO_OPEN_DIGILENT_USB);
}
return rc;
}
