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/*
* (C) Copyright 2007 Markus Kappeler <markus.kappeler@objectxp.com>
*
* Adapted for U-Boot 1.2 by Piotr Kruszynski <ppk@semihalf.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <i2c.h>
#include <usb.h>
#ifdef CONFIG_CMD_BSP
static int do_usb_test(char * const argv[])
{
int i;
static int usb_stor_curr_dev = -1; /* current device */
printf("Starting USB Test\n"
"Please insert USB Memmory Stick\n\n"
"Please press any key to start\n\n");
getc();
usb_stop();
printf("(Re)start USB...\n");
i = usb_init();
#ifdef CONFIG_USB_STORAGE
/* try to recognize storage devices immediately */
if (i >= 0)
usb_stor_curr_dev = usb_stor_scan(1);
#endif /* CONFIG_USB_STORAGE */
if (usb_stor_curr_dev >= 0)
printf("Found USB Storage Dev continue with Test...\n");
else {
printf("No USB Storage Device detected.. Stop Test\n");
return 1;
}
usb_stor_info();
printf("stopping USB..\n");
usb_stop();
return 0;
}
static int do_led_test(char * const argv[])
{
int i = 0;
struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
printf("Starting LED Test\n"
"Please set Switch S500 all off\n\n"
"Please press any key to start\n\n");
getc();
/* configure timer 2-3 for simple GPIO output High */
gpt->gpt2.emsr |= 0x00000034;
gpt->gpt3.emsr |= 0x00000034;
(*(vu_long *)MPC5XXX_WU_GPIO_ENABLE) |= 0x80000000;
(*(vu_long *)MPC5XXX_WU_GPIO_DIR) |= 0x80000000;
printf("Please press any key to stop\n\n");
while (!tstc()) {
if (i == 1) {
(*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) |= 0x80000000;
gpt->gpt2.emsr &= ~0x00000010;
gpt->gpt3.emsr &= ~0x00000010;
} else if (i == 2) {
(*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) &= ~0x80000000;
gpt->gpt2.emsr &= ~0x00000010;
gpt->gpt3.emsr |= 0x00000010;
} else if (i >= 3) {
(*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) &= ~0x80000000;
gpt->gpt3.emsr &= ~0x00000010;
gpt->gpt2.emsr |= 0x00000010;
i = 0;
}
i++;
udelay(200000);
}
getc();
(*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) |= 0x80000000;
gpt->gpt2.emsr |= 0x00000010;
gpt->gpt3.emsr |= 0x00000010;
return 0;
}
static int do_rs232_test(char * const argv[])
{
int error_status = 0;
struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
struct mpc5xxx_psc *psc1 = (struct mpc5xxx_psc *)MPC5XXX_PSC1;
/* Configure PSC 2-3-6 as GPIO */
gpio->port_config &= 0xFF0FF80F;
switch (simple_strtoul(argv[2], NULL, 10)) {
case 1:
/* check RTS <-> CTS loop */
/* set rts to 0 */
printf("Uart 1 test: RX TX tested by using U-Boot\n"
"Please connect RTS with CTS on Uart1 plug\n\n"
"Press any key to start\n\n");
getc();
psc1->op1 |= 0x01;
/* wait some time before requesting status */
udelay(10);
/* check status at cts */
if ((psc1->ip & 0x01) != 0) {
error_status = 3;
printf("%s: failure at rs232_1, cts status is %d "
"(should be 0)\n",
__FUNCTION__, (psc1->ip & 0x01));
}
/* set rts to 1 */
psc1->op0 |= 0x01;
/* wait some time before requesting status */
udelay(10);
/* check status at cts */
if ((psc1->ip & 0x01) != 1) {
error_status = 3;
printf("%s: failure at rs232_1, cts status is %d "
"(should be 1)\n",
__FUNCTION__, (psc1->ip & 0x01));
}
break;
case 2:
/* set PSC2_0, PSC2_2 as output and PSC2_1, PSC2_3 as input */
printf("Uart 2 test: Please use RS232 Loopback plug on UART2\n"
"\nPress any key to start\n\n");
getc();
gpio->simple_gpioe &= ~(0x000000F0);
gpio->simple_gpioe |= 0x000000F0;
gpio->simple_ddr &= ~(0x000000F0);
gpio->simple_ddr |= 0x00000050;
/* check TXD <-> RXD loop */
/* set TXD to 1 */
gpio->simple_dvo |= (1 << 4);
/* wait some time before requesting status */
udelay(10);
if ((gpio->simple_ival & 0x00000020) != 0x00000020) {
error_status = 2;
printf("%s: failure at rs232_2, rxd status is %d "
"(should be 1)\n", __FUNCTION__,
(gpio->simple_ival & 0x00000020) >> 5);
}
/* set TXD to 0 */
gpio->simple_dvo &= ~(1 << 4);
/* wait some time before requesting status */
udelay(10);
if ((gpio->simple_ival & 0x00000020) != 0x00000000) {
error_status = 2;
printf("%s: failure at rs232_2, rxd status is %d "
"(should be 0)\n", __FUNCTION__,
(gpio->simple_ival & 0x00000020) >> 5);
}
/* check RTS <-> CTS loop */
/* set RTS to 1 */
gpio->simple_dvo |= (1 << 6);
/* wait some time before requesting status */
udelay(10);
if ((gpio->simple_ival & 0x00000080) != 0x00000080) {
error_status = 3;
printf("%s: failure at rs232_2, cts status is %d "
"(should be 1)\n", __FUNCTION__,
(gpio->simple_ival & 0x00000080) >> 7);
}
/* set RTS to 0 */
gpio->simple_dvo &= ~(1 << 6);
/* wait some time before requesting status */
udelay(10);
if ((gpio->simple_ival & 0x00000080) != 0x00000000) {
error_status = 3;
printf("%s: failure at rs232_2, cts status is %d "
"(should be 0)\n", __FUNCTION__,
(gpio->simple_ival & 0x00000080) >> 7);
}
break;
case 3:
/* set PSC3_0, PSC3_2 as output and PSC3_1, PSC3_3 as input */
printf("Uart 3 test: Please use RS232 Loopback plug on UART2\n"
"\nPress any key to start\n\n");
getc();
gpio->simple_gpioe &= ~(0x00000F00);
gpio->simple_gpioe |= 0x00000F00;
gpio->simple_ddr &= ~(0x00000F00);
gpio->simple_ddr |= 0x00000500;
/* check TXD <-> RXD loop */
/* set TXD to 1 */
gpio->simple_dvo |= (1 << 8);
/* wait some time before requesting status */
udelay(10);
if ((gpio->simple_ival & 0x00000200) != 0x00000200) {
error_status = 2;
printf("%s: failure at rs232_3, rxd status is %d "
"(should be 1)\n", __FUNCTION__,
(gpio->simple_ival & 0x00000200) >> 9);
}
/* set TXD to 0 */
gpio->simple_dvo &= ~(1 << 8);
/* wait some time before requesting status */
udelay(10);
if ((gpio->simple_ival & 0x00000200) != 0x00000000) {
error_status = 2;
printf("%s: failure at rs232_3, rxd status is %d "
"(should be 0)\n", __FUNCTION__,
(gpio->simple_ival & 0x00000200) >> 9);
}
/* check RTS <-> CTS loop */
/* set RTS to 1 */
gpio->simple_dvo |= (1 << 10);
/* wait some time before requesting status */
udelay(10);
if ((gpio->simple_ival & 0x00000800) != 0x00000800) {
error_status = 3;
printf("%s: failure at rs232_3, cts status is %d "
"(should be 1)\n", __FUNCTION__,
(gpio->simple_ival & 0x00000800) >> 11);
}
/* set RTS to 0 */
gpio->simple_dvo &= ~(1 << 10);
/* wait some time before requesting status */
udelay(10);
if ((gpio->simple_ival & 0x00000800) != 0x00000000) {
error_status = 3;
printf("%s: failure at rs232_3, cts status is %d "
"(should be 0)\n", __FUNCTION__,
(gpio->simple_ival & 0x00000800) >> 11);
}
break;
case 4:
/* set PSC6_2, PSC6_3 as output and PSC6_0, PSC6_1 as input */
printf("Uart 4 test: Please use RS232 Loopback plug on UART2\n"
"\nPress any key to start\n\n");
getc();
gpio->simple_gpioe &= ~(0xF0000000);
gpio->simple_gpioe |= 0x30000000;
gpio->simple_ddr &= ~(0xf0000000);
gpio->simple_ddr |= 0x30000000;
(*(vu_long *)MPC5XXX_WU_GPIO_ENABLE) |= 0x30000000;
(*(vu_long *)MPC5XXX_WU_GPIO_DIR) &= ~(0x30000000);
/* check TXD <-> RXD loop */
/* set TXD to 1 */
gpio->simple_dvo |= (1 << 28);
/* wait some time before requesting status */
udelay(10);
if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x10000000) !=
0x10000000) {
error_status = 2;
printf("%s: failure at rs232_4, rxd status is %lu "
"(should be 1)\n", __FUNCTION__,
((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
0x10000000) >> 28);
}
/* set TXD to 0 */
gpio->simple_dvo &= ~(1 << 28);
/* wait some time before requesting status */
udelay(10);
if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x10000000) !=
0x00000000) {
error_status = 2;
printf("%s: failure at rs232_4, rxd status is %lu "
"(should be 0)\n", __FUNCTION__,
((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
0x10000000) >> 28);
}
/* check RTS <-> CTS loop */
/* set RTS to 1 */
gpio->simple_dvo |= (1 << 29);
/* wait some time before requesting status */
udelay(10);
if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x20000000) !=
0x20000000) {
error_status = 3;
printf("%s: failure at rs232_4, cts status is %lu "
"(should be 1)\n", __FUNCTION__,
((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
0x20000000) >> 29);
}
/* set RTS to 0 */
gpio->simple_dvo &= ~(1 << 29);
/* wait some time before requesting status */
udelay(10);
if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x20000000) !=
0x00000000) {
error_status = 3;
printf("%s: failure at rs232_4, cts status is %lu "
"(should be 0)\n", __FUNCTION__,
((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
0x20000000) >> 29);
}
break;
default:
printf("%s: invalid rs232 number %s\n", __FUNCTION__, argv[2]);
error_status = 1;
break;
}
gpio->port_config |= (CONFIG_SYS_GPS_PORT_CONFIG & 0xFF0FF80F);
return error_status;
}
static int cmd_fkt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int rcode = -1;
switch (argc) {
case 2:
if (strncmp(argv[1], "led", 3) == 0)
rcode = do_led_test(argv);
else if (strncmp(argv[1], "usb", 3) == 0)
rcode = do_usb_test(argv);
break;
case 3:
if (strncmp(argv[1], "rs232", 3) == 0)
rcode = do_rs232_test(argv);
break;
}
switch (rcode) {
case -1:
printf("Usage:\n"
"fkt { i2c | led | usb }\n"
"fkt rs232 number\n");
rcode = 1;
break;
case 0:
printf("Test passed\n");
break;
default:
printf("Test failed with code: %d\n", rcode);
}
return rcode;
}
U_BOOT_CMD(
fkt, 4, 1, cmd_fkt,
"Function test routines",
"i2c\n"
" - Test I2C communication\n"
"fkt led\n"
" - Test LEDs\n"
"fkt rs232 number\n"
" - Test RS232 (loopback plug(s) for RS232 required)\n"
"fkt usb\n"
" - Test USB communication"
);
#endif /* CONFIG_CMD_BSP */
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