void platform_init(void)
{
uart_init();
/* detect any virtio devices */
const uint virtio_irqs[] = { VIRTIO0_INT, VIRTIO1_INT, VIRTIO2_INT, VIRTIO3_INT };
virtio_mmio_detect((void *)VIRTIO_BASE, 4, virtio_irqs);
#if WITH_LIB_MINIP
if (virtio_net_found() > 0) {
uint8_t mac_addr[6];
virtio_net_get_mac_addr(mac_addr);
TRACEF("found virtio networking interface\n");
/* start minip */
minip_set_macaddr(mac_addr);
__UNUSED uint32_t ip_addr = IPV4(192, 168, 0, 99);
__UNUSED uint32_t ip_mask = IPV4(255, 255, 255, 0);
__UNUSED uint32_t ip_gateway = IPV4_NONE;
//minip_init(virtio_net_send_minip_pkt, NULL, ip_addr, ip_mask, ip_gateway);
minip_init_dhcp(virtio_net_send_minip_pkt, NULL);
virtio_net_start();
}
#endif
}
void platform_init(void)
{
uart_init();
/* detect any virtio devices */
uint virtio_irqs[NUM_VIRTIO_TRANSPORTS];
for (int i = 0; i < NUM_VIRTIO_TRANSPORTS; i++) {
virtio_irqs[i] = VIRTIO0_INT + i;
}
virtio_mmio_detect((void *)VIRTIO_BASE, NUM_VIRTIO_TRANSPORTS, virtio_irqs);
#if WITH_LIB_MINIP
if (virtio_net_found() > 0) {
uint8_t mac_addr[6];
virtio_net_get_mac_addr(mac_addr);
TRACEF("found virtio networking interface\n");
/* start minip */
minip_set_macaddr(mac_addr);
__UNUSED uint32_t ip_addr = IPV4(192, 168, 0, 99);
__UNUSED uint32_t ip_mask = IPV4(255, 255, 255, 0);
__UNUSED uint32_t ip_gateway = IPV4_NONE;
//minip_init(virtio_net_send_minip_pkt, NULL, ip_addr, ip_mask, ip_gateway);
minip_init_dhcp(virtio_net_send_minip_pkt, NULL);
virtio_net_start();
}
#endif
}
static void zybo_common_target_init(uint level)
{
status_t err;
/* zybo has a spiflash on qspi */
spiflash_detect();
bdev_t *spi = bio_open("spi0");
if (spi) {
/* find or create a partition table at the start of flash */
if (ptable_scan(spi, 0) < 0) {
ptable_create_default(spi, 0);
}
struct ptable_entry entry = { 0 };
/* find and recover sysparams */
if (ptable_find("sysparam", &entry) < 0) {
/* didn't find sysparam partition, create it */
ptable_add("sysparam", 0x1000, 0x1000, 0);
ptable_find("sysparam", &entry);
}
if (entry.length > 0) {
sysparam_scan(spi, entry.offset, entry.length);
#if SYSPARAM_ALLOW_WRITE
/* for testing purposes, put at least one sysparam value in */
if (sysparam_add("dummy", "value", sizeof("value")) >= 0) {
sysparam_write();
}
#endif
sysparam_dump(true);
}
/* create bootloader partition if it does not exist */
ptable_add("bootloader", 0x20000, 0x40000, 0);
printf("flash partition table:\n");
ptable_dump();
}
/* recover boot arguments */
const char *cmdline = bootargs_get_command_line();
if (cmdline) {
printf("command line: '%s'\n", cmdline);
}
/* see if we came from a bootimage */
uintptr_t bootimage_phys;
size_t bootimage_size;
if (bootargs_get_bootimage_pointer(&bootimage_phys, &bootimage_size) >= 0) {
printf("our bootimage is at phys 0x%lx, size %zx\n", bootimage_phys, bootimage_size);
void *ptr = paddr_to_kvaddr(bootimage_phys);
if (ptr) {
bootimage_t *bi;
if (bootimage_open(ptr, bootimage_size, &bi) >= 0) {
/* we have a valid bootimage, find the fpga section */
const void *fpga_ptr;
size_t fpga_len;
if (bootimage_get_file_section(bi, TYPE_FPGA_IMAGE, &fpga_ptr, &fpga_len) >= 0) {
/* we have a fpga image */
/* lookup the physical address of the bitfile */
paddr_t pa = kvaddr_to_paddr((void *)fpga_ptr);
if (pa != 0) {
/* program the fpga with it*/
printf("loading fpga image at %p (phys 0x%lx), len %zx\n", fpga_ptr, pa, fpga_len);
zynq_reset_fpga();
err = zynq_program_fpga(pa, fpga_len);
if (err < 0) {
printf("error %d loading fpga\n", err);
}
printf("fpga image loaded\n");
}
}
}
}
}
#if WITH_LIB_MINIP
/* pull some network stack related params out of the sysparam block */
uint8_t mac_addr[6];
uint32_t ip_addr = IPV4_NONE;
uint32_t ip_mask = IPV4_NONE;
uint32_t ip_gateway = IPV4_NONE;
if (sysparam_read("net0.mac_addr", mac_addr, sizeof(mac_addr)) < (ssize_t)sizeof(mac_addr)) {
/* couldn't find eth address, make up a random one */
for (size_t i = 0; i < sizeof(mac_addr); i++) {
mac_addr[i] = rand() & 0xff;
}
/* unicast and locally administered */
mac_addr[0] &= ~(1<<0);
mac_addr[0] |= (1<<1);
}
uint8_t use_dhcp = 0;
sysparam_read("net0.use_dhcp", &use_dhcp, sizeof(use_dhcp));
sysparam_read("net0.ip_addr", &ip_addr, sizeof(ip_addr));
sysparam_read("net0.ip_mask", &ip_mask, sizeof(ip_mask));
sysparam_read("net0.ip_gateway", &ip_gateway, sizeof(ip_gateway));
minip_set_macaddr(mac_addr);
gem_set_macaddr(mac_addr);
if (!use_dhcp && ip_addr != IPV4_NONE) {
minip_init(gem_send_raw_pkt, NULL, ip_addr, ip_mask, ip_gateway);
} else {
/* Configure IP stack and hook to the driver */
minip_init_dhcp(gem_send_raw_pkt, NULL);
}
gem_set_callback(minip_rx_driver_callback);
#endif
}