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Simple VME FMC Carrier SVEC
Commit 6f616715 authored by Tomasz Wlostowski's avatar Tomasz Wlostowski
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software/vme-flasher: more reliable check for old version of the bootloader

parent ea79f9a6
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software/vme-flasher/svec-flasher.c
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......@@ -114,6 +114,21 @@ void enter_bootloader()
}
}
/* Tests the presence of the SPI master in the bootloader to check if we are running
version > 1 (v1 does not have the version ID register) */
int spi_test_presence()
{
csr_writel( SXLDR_FAR_XFER | SXLDR_FAR_DATA_W(0xff),
SXLDR_REG_FAR);
usleep(100000);
uint32_t far = csr_readl(SXLDR_REG_FAR);
/* transaction is not complete after so much time? no SPI... */
return (far & SXLDR_FAR_READY);
}
void spi_cs(int cs)
{
csr_writel(cs ? SXLDR_FAR_CS : 0, SXLDR_REG_FAR);
......@@ -291,12 +306,22 @@ int main(int argc, char *argv[])
init_vme(slot);
enter_bootloader();
if (!spi_test_presence())
{
fprintf(stderr,
"SPI Master core not responding. You are probably be running an old version of the bootloader that doesn't support flash programming via VME.\n");
exit(-1);
}
if (flash_read_id() != ID_M25P128) {
fprintf(stderr,
"Flash memory ID invalid. You are probably be running an old version of the bootloader that doesn't support flash programming via VME.\n");
exit(-1);
}
int version = SXLDR_CSR_VERSION_R(csr_readl( SXLDR_REG_CSR ));
printf("Bootloader version: %d\n", version);
flash_program(BOOTLOADER_SDB_BASE, sdb_header, sizeof(sdb_header));
flash_program(BOOTLOADER_BITSTREAM_BASE, buf, size);
......
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