--- /dev/null
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __AMD_PCIE_H__
+#define __AMD_PCIE_H__
+
+/* Following flags shows PCIe link speed supported in driver which are decided by chipset and ASIC */
+#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 0x00010000
+#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 0x00020000
+#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 0x00040000
+#define CAIL_PCIE_LINK_SPEED_SUPPORT_MASK 0xFFFF0000
+#define CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT 16
+
+/* Following flags shows PCIe link speed supported by ASIC H/W.*/
+#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 0x00000001
+#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 0x00000002
+#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 0x00000004
+#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_MASK 0x0000FFFF
+#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_SHIFT 0
+
+/* Following flags shows PCIe lane width switch supported in driver which are decided by chipset and ASIC */
+#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X1 0x00010000
+#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 0x00020000
+#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 0x00040000
+#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 0x00080000
+#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 0x00100000
+#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 0x00200000
+#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 0x00400000
+#define CAIL_PCIE_LINK_WIDTH_SUPPORT_SHIFT 16
+
+#endif
--- /dev/null
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __AMD_PCIE_HELPERS_H__
+#define __AMD_PCIE_HELPERS_H__
+
+#include "amd_pcie.h"
+
+static inline bool is_pcie_gen3_supported(uint32_t pcie_link_speed_cap)
+{
+ if (pcie_link_speed_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
+ return 1;
+
+ return 0;
+}
+
+static inline bool is_pcie_gen2_supported(uint32_t pcie_link_speed_cap)
+{
+ if (pcie_link_speed_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
+ return 1;
+
+ return 0;
+}
+
+/* Get the new PCIE speed given the ASIC PCIE Cap and the NewState's requested PCIE speed*/
+static inline uint16_t get_pcie_gen_support(uint32_t pcie_link_speed_cap,
+ uint16_t ns_pcie_gen)
+{
+ uint32_t asic_pcie_link_speed_cap = (pcie_link_speed_cap &
+ CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_MASK);
+ uint32_t sys_pcie_link_speed_cap = (pcie_link_speed_cap &
+ CAIL_PCIE_LINK_SPEED_SUPPORT_MASK);
+
+ switch (asic_pcie_link_speed_cap) {
+ case CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1:
+ return PP_PCIEGen1;
+
+ case CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2:
+ return PP_PCIEGen2;
+
+ case CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3:
+ return PP_PCIEGen3;
+
+ default:
+ if (is_pcie_gen3_supported(sys_pcie_link_speed_cap) &&
+ (ns_pcie_gen == PP_PCIEGen3)) {
+ return PP_PCIEGen3;
+ } else if (is_pcie_gen2_supported(sys_pcie_link_speed_cap) &&
+ ((ns_pcie_gen == PP_PCIEGen3) || (ns_pcie_gen == PP_PCIEGen2))) {
+ return PP_PCIEGen2;
+ }
+ }
+
+ return PP_PCIEGen1;
+}
+
+static inline uint16_t get_pcie_lane_support(uint32_t pcie_lane_width_cap,
+ uint16_t ns_pcie_lanes)
+{
+ int i, j;
+ uint16_t new_pcie_lanes = ns_pcie_lanes;
+ uint16_t pcie_lanes[7] = {1, 2, 4, 8, 12, 16, 32};
+
+ switch (pcie_lane_width_cap) {
+ case 0:
+ printk(KERN_ERR "No valid PCIE lane width reported");
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X1:
+ new_pcie_lanes = 1;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X2:
+ new_pcie_lanes = 2;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X4:
+ new_pcie_lanes = 4;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X8:
+ new_pcie_lanes = 8;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X12:
+ new_pcie_lanes = 12;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X16:
+ new_pcie_lanes = 16;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X32:
+ new_pcie_lanes = 32;
+ break;
+ default:
+ for (i = 0; i < 7; i++) {
+ if (ns_pcie_lanes == pcie_lanes[i]) {
+ if (pcie_lane_width_cap & (0x10000 << i)) {
+ break;
+ } else {
+ for (j = i - 1; j >= 0; j--) {
+ if (pcie_lane_width_cap & (0x10000 << j)) {
+ new_pcie_lanes = pcie_lanes[j];
+ break;
+ }
+ }
+
+ if (j < 0) {
+ for (j = i + 1; j < 7; j++) {
+ if (pcie_lane_width_cap & (0x10000 << j)) {
+ new_pcie_lanes = pcie_lanes[j];
+ break;
+ }
+ }
+ if (j > 7)
+ printk(KERN_ERR "Cannot find a valid PCIE lane width!");
+ }
+ }
+ break;
+ }
+ }
+ break;
+ }
+
+ return new_pcie_lanes;
+}
+
+#endif
#include "tonga_pptable.h"
#include "pp_debug.h"
#include "pp_acpi.h"
+#include "amd_pcie_helpers.h"
#define VOLTAGE_SCALE 4
#define SMC_RAM_END 0x40000
extern int tonga_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr);
extern int tonga_hwmgr_backend_fini(struct pp_hwmgr *hwmgr);
extern int tonga_get_mc_microcode_version (struct pp_hwmgr *hwmgr);
-extern uint16_t get_pcie_gen_support(uint32_t pcie_link_speed_cap, uint16_t ns_pcie_gen);
-extern uint16_t get_pcie_lane_support(uint32_t pcie_lane_width_cap, uint16_t ns_pcie_lanes);
#define PP_HOST_TO_SMC_UL(X) cpu_to_be32(X)
#define PP_SMC_TO_HOST_UL(X) be32_to_cpu(X)
#include "cgs_linux.h"
#include "eventmgr.h"
+#include "amd_pcie_helpers.h"
#define MC_CG_ARB_FREQ_F0 0x0a
#define MC_CG_ARB_FREQ_F1 0x0b
dpm_table->dpm_levels[index].enabled = 1;
}
-bool is_pcie_gen3_supported(uint32_t pcie_link_speed_cap)
-{
- if (pcie_link_speed_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
- return 1;
-
- return 0;
-}
-
-bool is_pcie_gen2_supported(uint32_t pcie_link_speed_cap)
-{
- if (pcie_link_speed_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
- return 1;
-
- return 0;
-}
-
-/* Get the new PCIE speed given the ASIC PCIE Cap and the NewState's requested PCIE speed*/
-uint16_t get_pcie_gen_support(uint32_t pcie_link_speed_cap, uint16_t ns_pcie_gen)
-{
- uint32_t asic_pcie_link_speed_cap = (pcie_link_speed_cap &
- CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_MASK);
- uint32_t sys_pcie_link_speed_cap = (pcie_link_speed_cap &
- CAIL_PCIE_LINK_SPEED_SUPPORT_MASK);
-
- switch (asic_pcie_link_speed_cap) {
- case CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1:
- return PP_PCIEGen1;
-
- case CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2:
- return PP_PCIEGen2;
-
- case CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3:
- return PP_PCIEGen3;
-
- default:
- if (is_pcie_gen3_supported(sys_pcie_link_speed_cap) &&
- (ns_pcie_gen == PP_PCIEGen3)) {
- return PP_PCIEGen3;
- } else if (is_pcie_gen2_supported(sys_pcie_link_speed_cap) &&
- ((ns_pcie_gen == PP_PCIEGen3) || (ns_pcie_gen == PP_PCIEGen2))) {
- return PP_PCIEGen2;
- }
- }
-
- return PP_PCIEGen1;
-}
-
-uint16_t get_pcie_lane_support(uint32_t pcie_lane_width_cap, uint16_t ns_pcie_lanes)
-{
- int i, j;
- uint16_t new_pcie_lanes = ns_pcie_lanes;
- uint16_t pcie_lanes[7] = {1, 2, 4, 8, 12, 16, 32};
-
- switch (pcie_lane_width_cap) {
- case 0:
- printk(KERN_ERR "[ powerplay ] No valid PCIE lane width reported by CAIL!");
- break;
- case CAIL_PCIE_LINK_WIDTH_SUPPORT_X1:
- new_pcie_lanes = 1;
- break;
- case CAIL_PCIE_LINK_WIDTH_SUPPORT_X2:
- new_pcie_lanes = 2;
- break;
- case CAIL_PCIE_LINK_WIDTH_SUPPORT_X4:
- new_pcie_lanes = 4;
- break;
- case CAIL_PCIE_LINK_WIDTH_SUPPORT_X8:
- new_pcie_lanes = 8;
- break;
- case CAIL_PCIE_LINK_WIDTH_SUPPORT_X12:
- new_pcie_lanes = 12;
- break;
- case CAIL_PCIE_LINK_WIDTH_SUPPORT_X16:
- new_pcie_lanes = 16;
- break;
- case CAIL_PCIE_LINK_WIDTH_SUPPORT_X32:
- new_pcie_lanes = 32;
- break;
- default:
- for (i = 0; i < 7; i++) {
- if (ns_pcie_lanes == pcie_lanes[i]) {
- if (pcie_lane_width_cap & (0x10000 << i)) {
- break;
- } else {
- for (j = i - 1; j >= 0; j--) {
- if (pcie_lane_width_cap & (0x10000 << j)) {
- new_pcie_lanes = pcie_lanes[j];
- break;
- }
- }
-
- if (j < 0) {
- for (j = i + 1; j < 7; j++) {
- if (pcie_lane_width_cap & (0x10000 << j)) {
- new_pcie_lanes = pcie_lanes[j];
- break;
- }
- }
- if (j > 7)
- printk(KERN_ERR "[ powerplay ] Cannot find a valid PCIE lane width!");
- }
- }
- break;
- }
- }
- break;
- }
-
- return new_pcie_lanes;
-}
-
static int tonga_setup_default_pcie_tables(struct pp_hwmgr *hwmgr)
{
tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
#define TONGA_UNUSED_GPIO_PIN 0x7F
-/* Following flags shows PCIe link speed supported in driver which are decided by chipset and ASIC */
-#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 0x00010000
-#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 0x00020000
-#define CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 0x00040000
-#define CAIL_PCIE_LINK_SPEED_SUPPORT_MASK 0xFFFF0000
-#define CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT 16
-
-/* Following flags shows PCIe link speed supported by ASIC H/W.*/
-#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 0x00000001
-#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 0x00000002
-#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 0x00000004
-#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_MASK 0x0000FFFF
-#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_SHIFT 0
-
-/* Following flags shows PCIe lane width switch supported in driver which are decided by chipset and ASIC */
-#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X1 0x00010000
-#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 0x00020000
-#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 0x00040000
-#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 0x00080000
-#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 0x00100000
-#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 0x00200000
-#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 0x00400000
-#define CAIL_PCIE_LINK_WIDTH_SUPPORT_SHIFT 16
-
#define PP_HOST_TO_SMC_UL(X) cpu_to_be32(X)
#define PP_SMC_TO_HOST_UL(X) be32_to_cpu(X)
projects / linux-2.6-block.git / commitdiff