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[uzed] Set up pktbufs similarly to zybo

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This commit is contained in:
Christopher Anderson
2015-04-23 12:15:20 -07:00
parent 4a038ceef6
commit 6ef986679a
2 changed files with 30 additions and 0 deletions
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28
target/uzed/target.c
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@@ -20,11 +20,16 @@
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <dev/gpio.h>
#include <target/gpioconfig.h>
#include <lib/pktbuf.h>
#include <kernel/vm.h>
#include <platform/zynq.h>
#include <platform/gem.h>
#define ZYNQ_PKTBUF_CNT 128
zynq_pll_cfg_tree_t zynq_pll_cfg = {
.arm = {
.lock_cnt = 250,
@@ -180,6 +185,29 @@ void target_early_init(void)
void target_init(void)
{
paddr_t buf_vaddr;
void *hdr_addr;
/* TODO: Move into zynq_common once the init order is sorted out with gem_init needing
* pktbufs, and app init running after target_init */
if (vmm_alloc_contiguous(vmm_get_kernel_aspace(), "pktbuf_headers",
ZYNQ_PKTBUF_CNT * sizeof(pktbuf_buf_t), (void **)&hdr_addr, 0, 0, ARCH_MMU_FLAG_CACHED) < 0) {
printf("Failed to initialize pktbuf hdr slab\n");
return;
}
for (size_t i = 0; i < ZYNQ_PKTBUF_CNT; i++) {
pktbuf_create((void *)hdr_addr, sizeof(pktbuf_t));
hdr_addr += sizeof(pktbuf_t);
}
if (vmm_alloc_contiguous(vmm_get_kernel_aspace(), "pktbuf_buffers",
ZYNQ_PKTBUF_CNT * sizeof(pktbuf_buf_t), (void **)&buf_vaddr, 0, 0, ARCH_MMU_FLAG_UNCACHED) < 0) {
printf("Failed to initialize pktbuf vm slab\n");
return;
}
pktbuf_create_bufs((void *)buf_vaddr, ZYNQ_PKTBUF_CNT * sizeof(pktbuf_buf_t));
gem_init(GEM0_BASE);
}

2
target/zybo/target.c
View File

@@ -208,6 +208,8 @@ void target_init(void)
paddr_t buf_vaddr;
void *hdr_addr;
/* TODO: Move into zynq_common once the init order is sorted out with gem_init needing
* pktbufs, and app init running after target_init */
if (vmm_alloc_contiguous(vmm_get_kernel_aspace(), "pktbuf_headers",
ZYNQ_PKTBUF_CNT * sizeof(pktbuf_buf_t), (void **)&hdr_addr, 0, 0, ARCH_MMU_FLAG_CACHED) < 0) {
printf("Failed to initialize pktbuf hdr slab\n");