cpu/amd/family_10h-family_15h: Set up link XCS token counts on Family 15h
Change-Id: I4cf6549234041c395a18a89332d95f20a596fc3e Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-on: http://review.coreboot.org/12033 Tested-by: build bot (Jenkins) Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This commit is contained in:
Timothy Pearson
Stefan Reinauer
parent
99f80422f6
commit
71b8f01b62
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@ -1054,6 +1054,12 @@ static void cpuSetAMDPCI(u8 node)
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uint32_t dword;
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uint64_t revision;
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/* FIXME
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* This should be configurable
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*/
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uint8_t sockets = 2;
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uint8_t sockets_populated = 2;
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printk(BIOS_DEBUG, "cpuSetAMDPCI %02d", node);
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revision = mctGetLogicalCPUID(node);
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@ -1160,6 +1166,15 @@ static void cpuSetAMDPCI(u8 node)
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uint8_t compute_unit_count = 0;
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uint8_t compute_unit_buffer_count;
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uint32_t f3xe8;
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uint8_t dual_node = 0;
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f3xe8 = pci_read_config32(NODE_PCI(0, 3), 0xe8);
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/* Check for dual node capability */
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if (f3xe8 & 0x20000000)
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dual_node = 1;
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/* Determine the number of active compute units on this node */
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f5x80 = pci_read_config32(NODE_PCI(node, 5), 0x80);
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cu_enabled = f5x80 & 0xf;
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@ -1185,6 +1200,295 @@ static void cpuSetAMDPCI(u8 node)
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dword &= ~(0x1f << 4); /* L3FreeListCBC = compute_unit_buffer_count */
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dword |= (compute_unit_buffer_count << 4);
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pci_write_config32(NODE_PCI(node, 3), 0x1a0, dword);
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/* Set up the Link to XCS Token Counts */
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uint8_t isoc_rsp_tok_1;
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uint8_t isoc_preq_tok_1;
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uint8_t isoc_req_tok_1;
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uint8_t probe_tok_1;
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uint8_t rsp_tok_1;
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uint8_t preq_tok_1;
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uint8_t req_tok_1;
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uint8_t isoc_rsp_tok_0;
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uint8_t isoc_preq_tok_0;
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uint8_t isoc_req_tok_0;
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uint8_t free_tokens;
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uint8_t probe_tok_0;
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uint8_t rsp_tok_0;
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uint8_t preq_tok_0;
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uint8_t req_tok_0;
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uint8_t link;
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uint8_t ganged;
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uint8_t iolink;
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uint8_t probe_filter_enabled = !!dual_node;
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for (link = 0; link < 4; link++) {
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if (AMD_CpuFindCapability(node, link, &offset)) {
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ganged = !!(pci_read_config32(NODE_PCI(node, 0), (link << 2) + 0x170) & 0x1);
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iolink = (AMD_checkLinkType(node, link, offset) & HTPHY_LINKTYPE_NONCOHERENT);
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/* Set defaults */
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 0;
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probe_tok_1 = !ganged;
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rsp_tok_1 = !ganged;
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preq_tok_1 = !ganged;
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req_tok_1 = !ganged;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 0;
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free_tokens = 0;
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probe_tok_0 = ((ganged)?2:1);
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rsp_tok_0 = ((ganged)?2:1);
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preq_tok_0 = ((ganged)?2:1);
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req_tok_0 = ((ganged)?2:1);
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if (!iolink && ganged) {
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if (!dual_node) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 0;
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probe_tok_1 = 0;
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rsp_tok_1 = 0;
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preq_tok_1 = 0;
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req_tok_1 = 0;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 3;
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probe_tok_0 = 2;
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rsp_tok_0 = 2;
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preq_tok_0 = 2;
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req_tok_0 = 2;
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} else {
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if ((sockets == 1)
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|| ((sockets == 2) && (sockets_populated == 1))) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 0;
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probe_tok_1 = 0;
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rsp_tok_1 = 0;
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preq_tok_1 = 0;
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req_tok_1 = 0;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 0;
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probe_tok_0 = 2;
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rsp_tok_0 = 2;
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preq_tok_0 = 2;
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req_tok_0 = 2;
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} else if (((sockets == 2) && (sockets_populated == 2))
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|| ((sockets == 4) && (sockets_populated == 2))) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 0;
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probe_tok_1 = 0;
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rsp_tok_1 = 0;
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preq_tok_1 = 0;
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req_tok_1 = 0;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 0;
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probe_tok_0 = 1;
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rsp_tok_0 = 2;
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preq_tok_0 = 2;
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req_tok_0 = 2;
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} else if ((sockets == 4) && (sockets_populated == 4)) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 0;
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probe_tok_1 = 0;
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rsp_tok_1 = 0;
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preq_tok_1 = 0;
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req_tok_1 = 0;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 0;
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probe_tok_0 = 2;
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rsp_tok_0 = 1;
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preq_tok_0 = 1;
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req_tok_0 = 2;
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}
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}
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} else if (!iolink && !ganged) {
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if ((sockets == 1)
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|| ((sockets == 2) && (sockets_populated == 1))) {
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if (probe_filter_enabled) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 0;
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probe_tok_1 = 1;
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rsp_tok_1 = 1;
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preq_tok_1 = 1;
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req_tok_1 = 1;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 0;
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probe_tok_0 = 1;
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rsp_tok_0 = 2;
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preq_tok_0 = 1;
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req_tok_0 = 1;
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} else {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 0;
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probe_tok_1 = 1;
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rsp_tok_1 = 1;
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preq_tok_1 = 1;
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req_tok_1 = 1;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 0;
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probe_tok_0 = 1;
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rsp_tok_0 = 1;
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preq_tok_0 = 1;
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req_tok_0 = 1;
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}
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} else if ((sockets == 2) && (sockets_populated == 2)) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 1;
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probe_tok_1 = 1;
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rsp_tok_1 = 1;
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preq_tok_1 = 1;
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req_tok_1 = 1;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 2;
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probe_tok_0 = 1;
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rsp_tok_0 = 1;
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preq_tok_0 = 1;
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req_tok_0 = 1;
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} else if ((sockets == 4) && (sockets_populated == 2)) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 1;
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probe_tok_1 = 1;
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rsp_tok_1 = 1;
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preq_tok_1 = 1;
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req_tok_1 = 1;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 4;
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probe_tok_0 = 1;
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rsp_tok_0 = 1;
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preq_tok_0 = 1;
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req_tok_0 = 1;
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} else if ((sockets == 4) && (sockets_populated == 4)) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 1;
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probe_tok_1 = 1;
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rsp_tok_1 = 1;
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preq_tok_1 = 1;
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req_tok_1 = 1;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 0;
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probe_tok_0 = 1;
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rsp_tok_0 = 1;
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preq_tok_0 = 1;
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req_tok_0 = 1;
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}
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} else if (iolink && ganged) {
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if (!dual_node) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 0;
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probe_tok_1 = 0;
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rsp_tok_1 = 0;
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preq_tok_1 = 0;
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req_tok_1 = 0;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 3;
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probe_tok_0 = 0;
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rsp_tok_0 = 2;
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preq_tok_0 = 2;
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req_tok_0 = 2;
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} else if ((sockets == 1)
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|| (sockets == 2)
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|| ((sockets == 4) && (sockets_populated == 2))) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 0;
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probe_tok_1 = 0;
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rsp_tok_1 = 0;
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preq_tok_1 = 0;
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req_tok_1 = 0;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 1;
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free_tokens = 0;
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probe_tok_0 = 0;
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rsp_tok_0 = 2;
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preq_tok_0 = 2;
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req_tok_0 = 2;
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} else if ((sockets == 4) && (sockets_populated == 4)) {
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isoc_rsp_tok_1 = 0;
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isoc_preq_tok_1 = 0;
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isoc_req_tok_1 = 0;
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probe_tok_1 = 0;
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rsp_tok_1 = 0;
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preq_tok_1 = 0;
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req_tok_1 = 0;
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isoc_rsp_tok_0 = 0;
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isoc_preq_tok_0 = 0;
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isoc_req_tok_0 = 2;
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free_tokens = 0;
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probe_tok_0 = 2;
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rsp_tok_0 = 2;
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preq_tok_0 = 2;
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req_tok_0 = 2;
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}
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}
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dword = pci_read_config32(NODE_PCI(node, 3), (link << 2) + 0x148);
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dword &= ~(0x3 << 30); /* FreeTok[3:2] = free_tokens[3:2] */
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dword |= (((free_tokens >> 2) & 0x3) << 30);
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dword &= ~(0x1 << 28); /* IsocRspTok1 = isoc_rsp_tok_1 */
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dword |= (((isoc_rsp_tok_1) & 0x1) << 28);
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dword &= ~(0x1 << 26); /* IsocPreqTok1 = isoc_preq_tok_1 */
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dword |= (((isoc_preq_tok_1) & 0x1) << 26);
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dword &= ~(0x1 << 24); /* IsocReqTok1 = isoc_req_tok_1 */
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dword |= (((isoc_req_tok_1) & 0x1) << 24);
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dword &= ~(0x3 << 22); /* ProbeTok1 = probe_tok_1 */
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dword |= (((probe_tok_1) & 0x3) << 22);
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dword &= ~(0x3 << 20); /* RspTok1 = rsp_tok_1 */
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dword |= (((rsp_tok_1) & 0x3) << 20);
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dword &= ~(0x3 << 18); /* PReqTok1 = preq_tok_1 */
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dword |= (((preq_tok_1) & 0x3) << 18);
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dword &= ~(0x3 << 16); /* ReqTok1 = req_tok_1 */
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dword |= (((req_tok_1) & 0x3) << 16);
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dword &= ~(0x3 << 14); /* FreeTok[1:0] = free_tokens[1:0] */
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dword |= (((free_tokens) & 0x3) << 14);
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dword &= ~(0x3 << 12); /* IsocRspTok0 = isoc_rsp_tok_0 */
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dword |= (((isoc_rsp_tok_0) & 0x3) << 12);
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dword &= ~(0x3 << 10); /* IsocPreqTok0 = isoc_preq_tok_0 */
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dword |= (((isoc_preq_tok_0) & 0x3) << 10);
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dword &= ~(0x3 << 8); /* IsocReqTok0 = isoc_req_tok_0 */
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dword |= (((isoc_req_tok_0) & 0x3) << 8);
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dword &= ~(0x3 << 6); /* ProbeTok0 = probe_tok_0 */
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dword |= (((probe_tok_0) & 0x3) << 6);
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dword &= ~(0x3 << 4); /* RspTok0 = rsp_tok_0 */
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dword |= (((rsp_tok_0) & 0x3) << 4);
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dword &= ~(0x3 << 2); /* PReqTok0 = preq_tok_0 */
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dword |= (((preq_tok_0) & 0x3) << 2);
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dword &= ~(0x3 << 0); /* ReqTok0 = req_tok_0 */
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dword |= (((req_tok_0) & 0x3) << 0);
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pci_write_config32(NODE_PCI(node, 3), (link << 2) + 0x148, dword);
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}
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}
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}
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printk(BIOS_DEBUG, " done\n");
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