--- /dev/null
+/*
+ * Copyright 2013 Red Hat 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.
+ *
+ * Authors: Ben Skeggs
+ * Roy Spliet <rspliet@eclipso.eu>
+ */
+
+#include "ramfuc.h"
+#include "nv50.h"
+
+#include <core/device.h>
+#include <core/option.h>
+#include <subdev/bios.h>
+#include <subdev/bios/M0205.h>
+#include <subdev/bios/rammap.h>
+#include <subdev/bios/timing.h>
+#include <subdev/clk/gt215.h>
+#include <subdev/gpio.h>
+
+/* XXX: Remove when memx gains GPIO support */
+extern int nv50_gpio_location(int line, u32 *reg, u32 *shift);
+
+struct gt215_ramfuc {
+ struct ramfuc base;
+ struct ramfuc_reg r_0x001610;
+ struct ramfuc_reg r_0x001700;
+ struct ramfuc_reg r_0x002504;
+ struct ramfuc_reg r_0x004000;
+ struct ramfuc_reg r_0x004004;
+ struct ramfuc_reg r_0x004018;
+ struct ramfuc_reg r_0x004128;
+ struct ramfuc_reg r_0x004168;
+ struct ramfuc_reg r_0x100080;
+ struct ramfuc_reg r_0x100200;
+ struct ramfuc_reg r_0x100210;
+ struct ramfuc_reg r_0x100220[9];
+ struct ramfuc_reg r_0x100264;
+ struct ramfuc_reg r_0x1002d0;
+ struct ramfuc_reg r_0x1002d4;
+ struct ramfuc_reg r_0x1002dc;
+ struct ramfuc_reg r_0x10053c;
+ struct ramfuc_reg r_0x1005a0;
+ struct ramfuc_reg r_0x1005a4;
+ struct ramfuc_reg r_0x100700;
+ struct ramfuc_reg r_0x100714;
+ struct ramfuc_reg r_0x100718;
+ struct ramfuc_reg r_0x10071c;
+ struct ramfuc_reg r_0x100720;
+ struct ramfuc_reg r_0x100760;
+ struct ramfuc_reg r_0x1007a0;
+ struct ramfuc_reg r_0x1007e0;
+ struct ramfuc_reg r_0x100da0;
+ struct ramfuc_reg r_0x10f804;
+ struct ramfuc_reg r_0x1110e0;
+ struct ramfuc_reg r_0x111100;
+ struct ramfuc_reg r_0x111104;
+ struct ramfuc_reg r_0x1111e0;
+ struct ramfuc_reg r_0x111400;
+ struct ramfuc_reg r_0x611200;
+ struct ramfuc_reg r_mr[4];
+ struct ramfuc_reg r_gpioFBVREF;
+};
+
+struct gt215_ltrain {
+ enum {
+ NVA3_TRAIN_UNKNOWN,
+ NVA3_TRAIN_UNSUPPORTED,
+ NVA3_TRAIN_ONCE,
+ NVA3_TRAIN_EXEC,
+ NVA3_TRAIN_DONE
+ } state;
+ u32 r_100720;
+ u32 r_1111e0;
+ u32 r_111400;
+ struct nvkm_mem *mem;
+};
+
+struct gt215_ram {
+ struct nvkm_ram base;
+ struct gt215_ramfuc fuc;
+ struct gt215_ltrain ltrain;
+};
+
+void
+gt215_link_train_calc(u32 *vals, struct gt215_ltrain *train)
+{
+ int i, lo, hi;
+ u8 median[8], bins[4] = {0, 0, 0, 0}, bin = 0, qty = 0;
+
+ for (i = 0; i < 8; i++) {
+ for (lo = 0; lo < 0x40; lo++) {
+ if (!(vals[lo] & 0x80000000))
+ continue;
+ if (vals[lo] & (0x101 << i))
+ break;
+ }
+
+ if (lo == 0x40)
+ return;
+
+ for (hi = lo + 1; hi < 0x40; hi++) {
+ if (!(vals[lo] & 0x80000000))
+ continue;
+ if (!(vals[hi] & (0x101 << i))) {
+ hi--;
+ break;
+ }
+ }
+
+ median[i] = ((hi - lo) >> 1) + lo;
+ bins[(median[i] & 0xf0) >> 4]++;
+ median[i] += 0x30;
+ }
+
+ /* Find the best value for 0x1111e0 */
+ for (i = 0; i < 4; i++) {
+ if (bins[i] > qty) {
+ bin = i + 3;
+ qty = bins[i];
+ }
+ }
+
+ train->r_100720 = 0;
+ for (i = 0; i < 8; i++) {
+ median[i] = max(median[i], (u8) (bin << 4));
+ median[i] = min(median[i], (u8) ((bin << 4) | 0xf));
+
+ train->r_100720 |= ((median[i] & 0x0f) << (i << 2));
+ }
+
+ train->r_1111e0 = 0x02000000 | (bin * 0x101);
+ train->r_111400 = 0x0;
+}
+
+/*
+ * Link training for (at least) DDR3
+ */
+int
+gt215_link_train(struct nvkm_fb *pfb)
+{
+ struct nvkm_bios *bios = nvkm_bios(pfb);
+ struct gt215_ram *ram = (void *)pfb->ram;
+ struct nvkm_clk *clk = nvkm_clk(pfb);
+ struct gt215_ltrain *train = &ram->ltrain;
+ struct nvkm_device *device = nv_device(pfb);
+ struct gt215_ramfuc *fuc = &ram->fuc;
+ u32 *result, r1700;
+ int ret, i;
+ struct nvbios_M0205T M0205T = { 0 };
+ u8 ver, hdr, cnt, len, snr, ssz;
+ unsigned int clk_current;
+ unsigned long flags;
+ unsigned long *f = &flags;
+
+ if (nvkm_boolopt(device->cfgopt, "NvMemExec", true) != true)
+ return -ENOSYS;
+
+ /* XXX: Multiple partitions? */
+ result = kmalloc(64 * sizeof(u32), GFP_KERNEL);
+ if (!result)
+ return -ENOMEM;
+
+ train->state = NVA3_TRAIN_EXEC;
+
+ /* Clock speeds for training and back */
+ nvbios_M0205Tp(bios, &ver, &hdr, &cnt, &len, &snr, &ssz, &M0205T);
+ if (M0205T.freq == 0)
+ return -ENOENT;
+
+ clk_current = clk->read(clk, nv_clk_src_mem);
+
+ ret = gt215_clk_pre(clk, f);
+ if (ret)
+ goto out;
+
+ /* First: clock up/down */
+ ret = ram->base.calc(pfb, (u32) M0205T.freq * 1000);
+ if (ret)
+ goto out;
+
+ /* Do this *after* calc, eliminates write in script */
+ nv_wr32(pfb, 0x111400, 0x00000000);
+ /* XXX: Magic writes that improve train reliability? */
+ nv_mask(pfb, 0x100674, 0x0000ffff, 0x00000000);
+ nv_mask(pfb, 0x1005e4, 0x0000ffff, 0x00000000);
+ nv_mask(pfb, 0x100b0c, 0x000000ff, 0x00000000);
+ nv_wr32(pfb, 0x100c04, 0x00000400);
+
+ /* Now the training script */
+ r1700 = ram_rd32(fuc, 0x001700);
+
+ ram_mask(fuc, 0x100200, 0x00000800, 0x00000000);
+ ram_wr32(fuc, 0x611200, 0x3300);
+ ram_wait_vblank(fuc);
+ ram_wait(fuc, 0x611200, 0x00000003, 0x00000000, 500000);
+ ram_mask(fuc, 0x001610, 0x00000083, 0x00000003);
+ ram_mask(fuc, 0x100080, 0x00000020, 0x00000000);
+ ram_mask(fuc, 0x10f804, 0x80000000, 0x00000000);
+ ram_wr32(fuc, 0x001700, 0x00000000);
+
+ ram_train(fuc);
+
+ /* Reset */
+ ram_mask(fuc, 0x10f804, 0x80000000, 0x80000000);
+ ram_wr32(fuc, 0x10053c, 0x0);
+ ram_wr32(fuc, 0x100720, train->r_100720);
+ ram_wr32(fuc, 0x1111e0, train->r_1111e0);
+ ram_wr32(fuc, 0x111400, train->r_111400);
+ ram_nuke(fuc, 0x100080);
+ ram_mask(fuc, 0x100080, 0x00000020, 0x00000020);
+ ram_nsec(fuc, 1000);
+
+ ram_wr32(fuc, 0x001700, r1700);
+ ram_mask(fuc, 0x001610, 0x00000083, 0x00000080);
+ ram_wr32(fuc, 0x611200, 0x3330);
+ ram_mask(fuc, 0x100200, 0x00000800, 0x00000800);
+
+ ram_exec(fuc, true);
+
+ ram->base.calc(pfb, clk_current);
+ ram_exec(fuc, true);
+
+ /* Post-processing, avoids flicker */
+ nv_mask(pfb, 0x616308, 0x10, 0x10);
+ nv_mask(pfb, 0x616b08, 0x10, 0x10);
+
+ gt215_clk_post(clk, f);
+
+ ram_train_result(pfb, result, 64);
+ for (i = 0; i < 64; i++)
+ nv_debug(pfb, "Train: %08x", result[i]);
+ gt215_link_train_calc(result, train);
+
+ nv_debug(pfb, "Train: %08x %08x %08x", train->r_100720,
+ train->r_1111e0, train->r_111400);
+
+ kfree(result);
+
+ train->state = NVA3_TRAIN_DONE;
+
+ return ret;
+
+out:
+ if(ret == -EBUSY)
+ f = NULL;
+
+ train->state = NVA3_TRAIN_UNSUPPORTED;
+
+ gt215_clk_post(clk, f);
+ return ret;
+}
+
+int
+gt215_link_train_init(struct nvkm_fb *pfb)
+{
+ static const u32 pattern[16] = {
+ 0xaaaaaaaa, 0xcccccccc, 0xdddddddd, 0xeeeeeeee,
+ 0x00000000, 0x11111111, 0x44444444, 0xdddddddd,
+ 0x33333333, 0x55555555, 0x77777777, 0x66666666,
+ 0x99999999, 0x88888888, 0xeeeeeeee, 0xbbbbbbbb,
+ };
+ struct nvkm_bios *bios = nvkm_bios(pfb);
+ struct gt215_ram *ram = (void *)pfb->ram;
+ struct gt215_ltrain *train = &ram->ltrain;
+ struct nvkm_mem *mem;
+ struct nvbios_M0205E M0205E;
+ u8 ver, hdr, cnt, len;
+ u32 r001700;
+ int ret, i = 0;
+
+ train->state = NVA3_TRAIN_UNSUPPORTED;
+
+ /* We support type "5"
+ * XXX: training pattern table appears to be unused for this routine */
+ if (!nvbios_M0205Ep(bios, i, &ver, &hdr, &cnt, &len, &M0205E))
+ return -ENOENT;
+
+ if (M0205E.type != 5)
+ return 0;
+
+ train->state = NVA3_TRAIN_ONCE;
+
+ ret = pfb->ram->get(pfb, 0x8000, 0x10000, 0, 0x800, &ram->ltrain.mem);
+ if (ret)
+ return ret;
+
+ mem = ram->ltrain.mem;
+
+ nv_wr32(pfb, 0x100538, 0x10000000 | (mem->offset >> 16));
+ nv_wr32(pfb, 0x1005a8, 0x0000ffff);
+ nv_mask(pfb, 0x10f800, 0x00000001, 0x00000001);
+
+ for (i = 0; i < 0x30; i++) {
+ nv_wr32(pfb, 0x10f8c0, (i << 8) | i);
+ nv_wr32(pfb, 0x10f900, pattern[i % 16]);
+ }
+
+ for (i = 0; i < 0x30; i++) {
+ nv_wr32(pfb, 0x10f8e0, (i << 8) | i);
+ nv_wr32(pfb, 0x10f920, pattern[i % 16]);
+ }
+
+ /* And upload the pattern */
+ r001700 = nv_rd32(pfb, 0x1700);
+ nv_wr32(pfb, 0x1700, mem->offset >> 16);
+ for (i = 0; i < 16; i++)
+ nv_wr32(pfb, 0x700000 + (i << 2), pattern[i]);
+ for (i = 0; i < 16; i++)
+ nv_wr32(pfb, 0x700100 + (i << 2), pattern[i]);
+ nv_wr32(pfb, 0x1700, r001700);
+
+ train->r_100720 = nv_rd32(pfb, 0x100720);
+ train->r_1111e0 = nv_rd32(pfb, 0x1111e0);
+ train->r_111400 = nv_rd32(pfb, 0x111400);
+ return 0;
+}
+
+void
+gt215_link_train_fini(struct nvkm_fb *pfb)
+{
+ struct gt215_ram *ram = (void *)pfb->ram;
+
+ if (ram->ltrain.mem)
+ pfb->ram->put(pfb, &ram->ltrain.mem);
+}
+
+/*
+ * RAM reclocking
+ */
+#define T(t) cfg->timing_10_##t
+static int
+gt215_ram_timing_calc(struct nvkm_fb *pfb, u32 *timing)
+{
+ struct gt215_ram *ram = (void *)pfb->ram;
+ struct nvbios_ramcfg *cfg = &ram->base.target.bios;
+ int tUNK_base, tUNK_40_0, prevCL;
+ u32 cur2, cur3, cur7, cur8;
+
+ cur2 = nv_rd32(pfb, 0x100228);
+ cur3 = nv_rd32(pfb, 0x10022c);
+ cur7 = nv_rd32(pfb, 0x10023c);
+ cur8 = nv_rd32(pfb, 0x100240);
+
+
+ switch ((!T(CWL)) * ram->base.type) {
+ case NV_MEM_TYPE_DDR2:
+ T(CWL) = T(CL) - 1;
+ break;
+ case NV_MEM_TYPE_GDDR3:
+ T(CWL) = ((cur2 & 0xff000000) >> 24) + 1;
+ break;
+ }
+
+ prevCL = (cur3 & 0x000000ff) + 1;
+ tUNK_base = ((cur7 & 0x00ff0000) >> 16) - prevCL;
+
+ timing[0] = (T(RP) << 24 | T(RAS) << 16 | T(RFC) << 8 | T(RC));
+ timing[1] = (T(WR) + 1 + T(CWL)) << 24 |
+ max_t(u8,T(18), 1) << 16 |
+ (T(WTR) + 1 + T(CWL)) << 8 |
+ (5 + T(CL) - T(CWL));
+ timing[2] = (T(CWL) - 1) << 24 |
+ (T(RRD) << 16) |
+ (T(RCDWR) << 8) |
+ T(RCDRD);
+ timing[3] = (cur3 & 0x00ff0000) |
+ (0x30 + T(CL)) << 24 |
+ (0xb + T(CL)) << 8 |
+ (T(CL) - 1);
+ timing[4] = T(20) << 24 |
+ T(21) << 16 |
+ T(13) << 8 |
+ T(13);
+ timing[5] = T(RFC) << 24 |
+ max_t(u8,T(RCDRD), T(RCDWR)) << 16 |
+ max_t(u8, (T(CWL) + 6), (T(CL) + 2)) << 8 |
+ T(RP);
+ timing[6] = (0x5a + T(CL)) << 16 |
+ max_t(u8, 1, (6 - T(CL) + T(CWL))) << 8 |
+ (0x50 + T(CL) - T(CWL));
+ timing[7] = (cur7 & 0xff000000) |
+ ((tUNK_base + T(CL)) << 16) |
+ 0x202;
+ timing[8] = cur8 & 0xffffff00;
+
+ switch (ram->base.type) {
+ case NV_MEM_TYPE_DDR2:
+ case NV_MEM_TYPE_GDDR3:
+ tUNK_40_0 = prevCL - (cur8 & 0xff);
+ if (tUNK_40_0 > 0)
+ timing[8] |= T(CL);
+ break;
+ default:
+ break;
+ }
+
+ nv_debug(pfb, "Entry: 220: %08x %08x %08x %08x\n",
+ timing[0], timing[1], timing[2], timing[3]);
+ nv_debug(pfb, " 230: %08x %08x %08x %08x\n",
+ timing[4], timing[5], timing[6], timing[7]);
+ nv_debug(pfb, " 240: %08x\n", timing[8]);
+ return 0;
+}
+#undef T
+
+static void
+nvkm_sddr2_dll_reset(struct gt215_ramfuc *fuc)
+{
+ ram_mask(fuc, mr[0], 0x100, 0x100);
+ ram_nsec(fuc, 1000);
+ ram_mask(fuc, mr[0], 0x100, 0x000);
+ ram_nsec(fuc, 1000);
+}
+
+static void
+nvkm_sddr3_dll_disable(struct gt215_ramfuc *fuc, u32 *mr)
+{
+ u32 mr1_old = ram_rd32(fuc, mr[1]);
+
+ if (!(mr1_old & 0x1)) {
+ ram_wr32(fuc, 0x1002d4, 0x00000001);
+ ram_wr32(fuc, mr[1], mr[1]);
+ ram_nsec(fuc, 1000);
+ }
+}
+
+static void
+nvkm_gddr3_dll_disable(struct gt215_ramfuc *fuc, u32 *mr)
+{
+ u32 mr1_old = ram_rd32(fuc, mr[1]);
+
+ if (!(mr1_old & 0x40)) {
+ ram_wr32(fuc, mr[1], mr[1]);
+ ram_nsec(fuc, 1000);
+ }
+}
+
+static void
+gt215_ram_lock_pll(struct gt215_ramfuc *fuc, struct gt215_clk_info *mclk)
+{
+ ram_wr32(fuc, 0x004004, mclk->pll);
+ ram_mask(fuc, 0x004000, 0x00000001, 0x00000001);
+ ram_mask(fuc, 0x004000, 0x00000010, 0x00000000);
+ ram_wait(fuc, 0x004000, 0x00020000, 0x00020000, 64000);
+ ram_mask(fuc, 0x004000, 0x00000010, 0x00000010);
+}
+
+static void
+gt215_ram_fbvref(struct gt215_ramfuc *fuc, u32 val)
+{
+ struct nvkm_gpio *gpio = nvkm_gpio(fuc->base.pfb);
+ struct dcb_gpio_func func;
+ u32 reg, sh, gpio_val;
+ int ret;
+
+ if (gpio->get(gpio, 0, 0x2e, DCB_GPIO_UNUSED) != val) {
+ ret = gpio->find(gpio, 0, 0x2e, DCB_GPIO_UNUSED, &func);
+ if (ret)
+ return;
+
+ nv50_gpio_location(func.line, ®, &sh);
+ gpio_val = ram_rd32(fuc, gpioFBVREF);
+ if (gpio_val & (8 << sh))
+ val = !val;
+
+ ram_mask(fuc, gpioFBVREF, (0x3 << sh), ((val | 0x2) << sh));
+ ram_nsec(fuc, 20000);
+ }
+}
+
+static int
+gt215_ram_calc(struct nvkm_fb *pfb, u32 freq)
+{
+ struct nvkm_bios *bios = nvkm_bios(pfb);
+ struct gt215_ram *ram = (void *)pfb->ram;
+ struct gt215_ramfuc *fuc = &ram->fuc;
+ struct gt215_ltrain *train = &ram->ltrain;
+ struct gt215_clk_info mclk;
+ struct nvkm_ram_data *next;
+ u8 ver, hdr, cnt, len, strap;
+ u32 data;
+ u32 r004018, r100760, r100da0, r111100, ctrl;
+ u32 unk714, unk718, unk71c;
+ int ret, i;
+ u32 timing[9];
+ bool pll2pll;
+
+ next = &ram->base.target;
+ next->freq = freq;
+ ram->base.next = next;
+
+ if (ram->ltrain.state == NVA3_TRAIN_ONCE)
+ gt215_link_train(pfb);
+
+ /* lookup memory config data relevant to the target frequency */
+ i = 0;
+ data = nvbios_rammapEm(bios, freq / 1000, &ver, &hdr, &cnt, &len,
+ &next->bios);
+ if (!data || ver != 0x10 || hdr < 0x05) {
+ nv_error(pfb, "invalid/missing rammap entry\n");
+ return -EINVAL;
+ }
+
+ /* locate specific data set for the attached memory */
+ strap = nvbios_ramcfg_index(nv_subdev(pfb));
+ if (strap >= cnt) {
+ nv_error(pfb, "invalid ramcfg strap\n");
+ return -EINVAL;
+ }
+
+ data = nvbios_rammapSp(bios, data, ver, hdr, cnt, len, strap,
+ &ver, &hdr, &next->bios);
+ if (!data || ver != 0x10 || hdr < 0x09) {
+ nv_error(pfb, "invalid/missing ramcfg entry\n");
+ return -EINVAL;
+ }
+
+ /* lookup memory timings, if bios says they're present */
+ if (next->bios.ramcfg_timing != 0xff) {
+ data = nvbios_timingEp(bios, next->bios.ramcfg_timing,
+ &ver, &hdr, &cnt, &len,
+ &next->bios);
+ if (!data || ver != 0x10 || hdr < 0x17) {
+ nv_error(pfb, "invalid/missing timing entry\n");
+ return -EINVAL;
+ }
+ }
+
+ ret = gt215_pll_info(nvkm_clk(pfb), 0x12, 0x4000, freq, &mclk);
+ if (ret < 0) {
+ nv_error(pfb, "failed mclk calculation\n");
+ return ret;
+ }
+
+ gt215_ram_timing_calc(pfb, timing);
+
+ ret = ram_init(fuc, pfb);
+ if (ret)
+ return ret;
+
+ /* Determine ram-specific MR values */
+ ram->base.mr[0] = ram_rd32(fuc, mr[0]);
+ ram->base.mr[1] = ram_rd32(fuc, mr[1]);
+ ram->base.mr[2] = ram_rd32(fuc, mr[2]);
+
+ switch (ram->base.type) {
+ case NV_MEM_TYPE_DDR2:
+ ret = nvkm_sddr2_calc(&ram->base);
+ break;
+ case NV_MEM_TYPE_DDR3:
+ ret = nvkm_sddr3_calc(&ram->base);
+ break;
+ case NV_MEM_TYPE_GDDR3:
+ ret = nvkm_gddr3_calc(&ram->base);
+ break;
+ default:
+ ret = -ENOSYS;
+ break;
+ }
+
+ if (ret)
+ return ret;
+
+ /* XXX: where the fuck does 750MHz come from? */
+ if (freq <= 750000) {
+ r004018 = 0x10000000;
+ r100760 = 0x22222222;
+ r100da0 = 0x00000010;
+ } else {
+ r004018 = 0x00000000;
+ r100760 = 0x00000000;
+ r100da0 = 0x00000000;
+ }
+
+ if (!next->bios.ramcfg_10_DLLoff)
+ r004018 |= 0x00004000;
+
+ /* pll2pll requires to switch to a safe clock first */
+ ctrl = ram_rd32(fuc, 0x004000);
+ pll2pll = (!(ctrl & 0x00000008)) && mclk.pll;
+
+ /* Pre, NVIDIA does this outside the script */
+ if (next->bios.ramcfg_10_02_10) {
+ ram_mask(fuc, 0x111104, 0x00000600, 0x00000000);
+ } else {
+ ram_mask(fuc, 0x111100, 0x40000000, 0x40000000);
+ ram_mask(fuc, 0x111104, 0x00000180, 0x00000000);
+ }
+ /* Always disable this bit during reclock */
+ ram_mask(fuc, 0x100200, 0x00000800, 0x00000000);
+
+ /* If switching from non-pll to pll, lock before disabling FB */
+ if (mclk.pll && !pll2pll) {
+ ram_mask(fuc, 0x004128, 0x003f3141, mclk.clk | 0x00000101);
+ gt215_ram_lock_pll(fuc, &mclk);
+ }
+
+ /* Start with disabling some CRTCs and PFIFO? */
+ ram_wait_vblank(fuc);
+ ram_wr32(fuc, 0x611200, 0x3300);
+ ram_mask(fuc, 0x002504, 0x1, 0x1);
+ ram_nsec(fuc, 10000);
+ ram_wait(fuc, 0x002504, 0x10, 0x10, 20000); /* XXX: or longer? */
+ ram_block(fuc);
+ ram_nsec(fuc, 2000);
+
+ if (!next->bios.ramcfg_10_02_10) {
+ if (ram->base.type == NV_MEM_TYPE_GDDR3)
+ ram_mask(fuc, 0x111100, 0x04020000, 0x00020000);
+ else
+ ram_mask(fuc, 0x111100, 0x04020000, 0x04020000);
+ }
+
+ /* If we're disabling the DLL, do it now */
+ switch (next->bios.ramcfg_10_DLLoff * ram->base.type) {
+ case NV_MEM_TYPE_DDR3:
+ nvkm_sddr3_dll_disable(fuc, ram->base.mr);
+ break;
+ case NV_MEM_TYPE_GDDR3:
+ nvkm_gddr3_dll_disable(fuc, ram->base.mr);
+ break;
+ }
+
+ if (fuc->r_gpioFBVREF.addr && next->bios.timing_10_ODT)
+ gt215_ram_fbvref(fuc, 0);
+
+ /* Brace RAM for impact */
+ ram_wr32(fuc, 0x1002d4, 0x00000001);
+ ram_wr32(fuc, 0x1002d0, 0x00000001);
+ ram_wr32(fuc, 0x1002d0, 0x00000001);
+ ram_wr32(fuc, 0x100210, 0x00000000);
+ ram_wr32(fuc, 0x1002dc, 0x00000001);
+ ram_nsec(fuc, 2000);
+
+ if (nv_device(pfb)->chipset == 0xa3 && freq <= 500000)
+ ram_mask(fuc, 0x100700, 0x00000006, 0x00000006);
+
+ /* Fiddle with clocks */
+ /* There's 4 scenario's
+ * pll->pll: first switch to a 324MHz clock, set up new PLL, switch
+ * clk->pll: Set up new PLL, switch
+ * pll->clk: Set up clock, switch
+ * clk->clk: Overwrite ctrl and other bits, switch */
+
+ /* Switch to regular clock - 324MHz */
+ if (pll2pll) {
+ ram_mask(fuc, 0x004000, 0x00000004, 0x00000004);
+ ram_mask(fuc, 0x004168, 0x003f3141, 0x00083101);
+ ram_mask(fuc, 0x004000, 0x00000008, 0x00000008);
+ ram_mask(fuc, 0x1110e0, 0x00088000, 0x00088000);
+ ram_wr32(fuc, 0x004018, 0x00001000);
+ gt215_ram_lock_pll(fuc, &mclk);
+ }
+
+ if (mclk.pll) {
+ ram_mask(fuc, 0x004000, 0x00000105, 0x00000105);
+ ram_wr32(fuc, 0x004018, 0x00001000 | r004018);
+ ram_wr32(fuc, 0x100da0, r100da0);
+ } else {
+ ram_mask(fuc, 0x004168, 0x003f3141, mclk.clk | 0x00000101);
+ ram_mask(fuc, 0x004000, 0x00000108, 0x00000008);
+ ram_mask(fuc, 0x1110e0, 0x00088000, 0x00088000);
+ ram_wr32(fuc, 0x004018, 0x00009000 | r004018);
+ ram_wr32(fuc, 0x100da0, r100da0);
+ }
+ ram_nsec(fuc, 20000);
+
+ if (next->bios.rammap_10_04_08) {
+ ram_wr32(fuc, 0x1005a0, next->bios.ramcfg_10_06 << 16 |
+ next->bios.ramcfg_10_05 << 8 |
+ next->bios.ramcfg_10_05);
+ ram_wr32(fuc, 0x1005a4, next->bios.ramcfg_10_08 << 8 |
+ next->bios.ramcfg_10_07);
+ ram_wr32(fuc, 0x10f804, next->bios.ramcfg_10_09_f0 << 20 |
+ next->bios.ramcfg_10_03_0f << 16 |
+ next->bios.ramcfg_10_09_0f |
+ 0x80000000);
+ ram_mask(fuc, 0x10053c, 0x00001000, 0x00000000);
+ } else {
+ if (train->state == NVA3_TRAIN_DONE) {
+ ram_wr32(fuc, 0x100080, 0x1020);
+ ram_mask(fuc, 0x111400, 0xffffffff, train->r_111400);
+ ram_mask(fuc, 0x1111e0, 0xffffffff, train->r_1111e0);
+ ram_mask(fuc, 0x100720, 0xffffffff, train->r_100720);
+ }
+ ram_mask(fuc, 0x10053c, 0x00001000, 0x00001000);
+ ram_mask(fuc, 0x10f804, 0x80000000, 0x00000000);
+ ram_mask(fuc, 0x100760, 0x22222222, r100760);
+ ram_mask(fuc, 0x1007a0, 0x22222222, r100760);
+ ram_mask(fuc, 0x1007e0, 0x22222222, r100760);
+ }
+
+ if (nv_device(pfb)->chipset == 0xa3 && freq > 500000) {
+ ram_mask(fuc, 0x100700, 0x00000006, 0x00000000);
+ }
+
+ /* Final switch */
+ if (mclk.pll) {
+ ram_mask(fuc, 0x1110e0, 0x00088000, 0x00011000);
+ ram_mask(fuc, 0x004000, 0x00000008, 0x00000000);
+ }
+
+ ram_wr32(fuc, 0x1002dc, 0x00000000);
+ ram_wr32(fuc, 0x1002d4, 0x00000001);
+ ram_wr32(fuc, 0x100210, 0x80000000);
+ ram_nsec(fuc, 2000);
+
+ /* Set RAM MR parameters and timings */
+ for (i = 2; i >= 0; i--) {
+ if (ram_rd32(fuc, mr[i]) != ram->base.mr[i]) {
+ ram_wr32(fuc, mr[i], ram->base.mr[i]);
+ ram_nsec(fuc, 1000);
+ }
+ }
+
+ ram_wr32(fuc, 0x100220[3], timing[3]);
+ ram_wr32(fuc, 0x100220[1], timing[1]);
+ ram_wr32(fuc, 0x100220[6], timing[6]);
+ ram_wr32(fuc, 0x100220[7], timing[7]);
+ ram_wr32(fuc, 0x100220[2], timing[2]);
+ ram_wr32(fuc, 0x100220[4], timing[4]);
+ ram_wr32(fuc, 0x100220[5], timing[5]);
+ ram_wr32(fuc, 0x100220[0], timing[0]);
+ ram_wr32(fuc, 0x100220[8], timing[8]);
+
+ /* Misc */
+ ram_mask(fuc, 0x100200, 0x00001000, !next->bios.ramcfg_10_02_08 << 12);
+
+ /* XXX: A lot of "chipset"/"ram type" specific stuff...? */
+ unk714 = ram_rd32(fuc, 0x100714) & ~0xf0000130;
+ unk718 = ram_rd32(fuc, 0x100718) & ~0x00000100;
+ unk71c = ram_rd32(fuc, 0x10071c) & ~0x00000100;
+ r111100 = ram_rd32(fuc, 0x111100) & ~0x3a800000;
+
+ if (next->bios.ramcfg_10_02_04) {
+ switch (ram->base.type) {
+ case NV_MEM_TYPE_DDR3:
+ if (nv_device(pfb)->chipset != 0xa8)
+ r111100 |= 0x00000004;
+ /* no break */
+ case NV_MEM_TYPE_DDR2:
+ r111100 |= 0x08000000;
+ break;
+ default:
+ break;
+ }
+ } else {
+ switch (ram->base.type) {
+ case NV_MEM_TYPE_DDR2:
+ r111100 |= 0x1a800000;
+ unk714 |= 0x00000010;
+ break;
+ case NV_MEM_TYPE_DDR3:
+ if (nv_device(pfb)->chipset == 0xa8) {
+ r111100 |= 0x08000000;
+ } else {
+ r111100 &= ~0x00000004;
+ r111100 |= 0x12800000;
+ }
+ unk714 |= 0x00000010;
+ break;
+ case NV_MEM_TYPE_GDDR3:
+ r111100 |= 0x30000000;
+ unk714 |= 0x00000020;
+ break;
+ default:
+ break;
+ }
+ }
+
+ unk714 |= (next->bios.ramcfg_10_04_01) << 8;
+
+ if (next->bios.ramcfg_10_02_20)
+ unk714 |= 0xf0000000;
+ if (next->bios.ramcfg_10_02_02)
+ unk718 |= 0x00000100;
+ if (next->bios.ramcfg_10_02_01)
+ unk71c |= 0x00000100;
+ if (next->bios.timing_10_24 != 0xff) {
+ unk718 &= ~0xf0000000;
+ unk718 |= next->bios.timing_10_24 << 28;
+ }
+ if (next->bios.ramcfg_10_02_10)
+ r111100 &= ~0x04020000;
+
+ ram_mask(fuc, 0x100714, 0xffffffff, unk714);
+ ram_mask(fuc, 0x10071c, 0xffffffff, unk71c);
+ ram_mask(fuc, 0x100718, 0xffffffff, unk718);
+ ram_mask(fuc, 0x111100, 0xffffffff, r111100);
+
+ if (fuc->r_gpioFBVREF.addr && !next->bios.timing_10_ODT)
+ gt215_ram_fbvref(fuc, 1);
+
+ /* Reset DLL */
+ if (!next->bios.ramcfg_10_DLLoff)
+ nvkm_sddr2_dll_reset(fuc);
+
+ if (ram->base.type == NV_MEM_TYPE_GDDR3) {
+ ram_nsec(fuc, 31000);
+ } else {
+ ram_nsec(fuc, 14000);
+ }
+
+ if (ram->base.type == NV_MEM_TYPE_DDR3) {
+ ram_wr32(fuc, 0x100264, 0x1);
+ ram_nsec(fuc, 2000);
+ }
+
+ ram_nuke(fuc, 0x100700);
+ ram_mask(fuc, 0x100700, 0x01000000, 0x01000000);
+ ram_mask(fuc, 0x100700, 0x01000000, 0x00000000);
+
+ /* Re-enable FB */
+ ram_unblock(fuc);
+ ram_wr32(fuc, 0x611200, 0x3330);
+
+ /* Post fiddlings */
+ if (next->bios.rammap_10_04_02)
+ ram_mask(fuc, 0x100200, 0x00000800, 0x00000800);
+ if (next->bios.ramcfg_10_02_10) {
+ ram_mask(fuc, 0x111104, 0x00000180, 0x00000180);
+ ram_mask(fuc, 0x111100, 0x40000000, 0x00000000);
+ } else {
+ ram_mask(fuc, 0x111104, 0x00000600, 0x00000600);
+ }
+
+ if (mclk.pll) {
+ ram_mask(fuc, 0x004168, 0x00000001, 0x00000000);
+ ram_mask(fuc, 0x004168, 0x00000100, 0x00000000);
+ } else {
+ ram_mask(fuc, 0x004000, 0x00000001, 0x00000000);
+ ram_mask(fuc, 0x004128, 0x00000001, 0x00000000);
+ ram_mask(fuc, 0x004128, 0x00000100, 0x00000000);
+ }
+
+ return 0;
+}
+
+static int
+gt215_ram_prog(struct nvkm_fb *pfb)
+{
+ struct nvkm_device *device = nv_device(pfb);
+ struct gt215_ram *ram = (void *)pfb->ram;
+ struct gt215_ramfuc *fuc = &ram->fuc;
+ bool exec = nvkm_boolopt(device->cfgopt, "NvMemExec", true);
+
+ if (exec) {
+ nv_mask(pfb, 0x001534, 0x2, 0x2);
+
+ ram_exec(fuc, true);
+
+ /* Post-processing, avoids flicker */
+ nv_mask(pfb, 0x002504, 0x1, 0x0);
+ nv_mask(pfb, 0x001534, 0x2, 0x0);
+
+ nv_mask(pfb, 0x616308, 0x10, 0x10);
+ nv_mask(pfb, 0x616b08, 0x10, 0x10);
+ } else {
+ ram_exec(fuc, false);
+ }
+ return 0;
+}
+
+static void
+gt215_ram_tidy(struct nvkm_fb *pfb)
+{
+ struct gt215_ram *ram = (void *)pfb->ram;
+ struct gt215_ramfuc *fuc = &ram->fuc;
+ ram_exec(fuc, false);
+}
+
+static int
+gt215_ram_init(struct nvkm_object *object)
+{
+ struct nvkm_fb *pfb = (void *)object->parent;
+ struct gt215_ram *ram = (void *)object;
+ int ret;
+
+ ret = nvkm_ram_init(&ram->base);
+ if (ret)
+ return ret;
+
+ gt215_link_train_init(pfb);
+ return 0;
+}
+
+static int
+gt215_ram_fini(struct nvkm_object *object, bool suspend)
+{
+ struct nvkm_fb *pfb = (void *)object->parent;
+
+ if (!suspend)
+ gt215_link_train_fini(pfb);
+
+ return 0;
+}
+
+static int
+gt215_ram_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 datasize,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_fb *pfb = nvkm_fb(parent);
+ struct nvkm_gpio *gpio = nvkm_gpio(pfb);
+ struct dcb_gpio_func func;
+ struct gt215_ram *ram;
+ int ret, i;
+ u32 reg, shift;
+
+ ret = nv50_ram_create(parent, engine, oclass, &ram);
+ *pobject = nv_object(ram);
+ if (ret)
+ return ret;
+
+ switch (ram->base.type) {
+ case NV_MEM_TYPE_DDR2:
+ case NV_MEM_TYPE_DDR3:
+ case NV_MEM_TYPE_GDDR3:
+ ram->base.calc = gt215_ram_calc;
+ ram->base.prog = gt215_ram_prog;
+ ram->base.tidy = gt215_ram_tidy;
+ break;
+ default:
+ nv_warn(ram, "reclocking of this ram type unsupported\n");
+ return 0;
+ }
+
+ ram->fuc.r_0x001610 = ramfuc_reg(0x001610);
+ ram->fuc.r_0x001700 = ramfuc_reg(0x001700);
+ ram->fuc.r_0x002504 = ramfuc_reg(0x002504);
+ ram->fuc.r_0x004000 = ramfuc_reg(0x004000);
+ ram->fuc.r_0x004004 = ramfuc_reg(0x004004);
+ ram->fuc.r_0x004018 = ramfuc_reg(0x004018);
+ ram->fuc.r_0x004128 = ramfuc_reg(0x004128);
+ ram->fuc.r_0x004168 = ramfuc_reg(0x004168);
+ ram->fuc.r_0x100080 = ramfuc_reg(0x100080);
+ ram->fuc.r_0x100200 = ramfuc_reg(0x100200);
+ ram->fuc.r_0x100210 = ramfuc_reg(0x100210);
+ for (i = 0; i < 9; i++)
+ ram->fuc.r_0x100220[i] = ramfuc_reg(0x100220 + (i * 4));
+ ram->fuc.r_0x100264 = ramfuc_reg(0x100264);
+ ram->fuc.r_0x1002d0 = ramfuc_reg(0x1002d0);
+ ram->fuc.r_0x1002d4 = ramfuc_reg(0x1002d4);
+ ram->fuc.r_0x1002dc = ramfuc_reg(0x1002dc);
+ ram->fuc.r_0x10053c = ramfuc_reg(0x10053c);
+ ram->fuc.r_0x1005a0 = ramfuc_reg(0x1005a0);
+ ram->fuc.r_0x1005a4 = ramfuc_reg(0x1005a4);
+ ram->fuc.r_0x100700 = ramfuc_reg(0x100700);
+ ram->fuc.r_0x100714 = ramfuc_reg(0x100714);
+ ram->fuc.r_0x100718 = ramfuc_reg(0x100718);
+ ram->fuc.r_0x10071c = ramfuc_reg(0x10071c);
+ ram->fuc.r_0x100720 = ramfuc_reg(0x100720);
+ ram->fuc.r_0x100760 = ramfuc_stride(0x100760, 4, ram->base.part_mask);
+ ram->fuc.r_0x1007a0 = ramfuc_stride(0x1007a0, 4, ram->base.part_mask);
+ ram->fuc.r_0x1007e0 = ramfuc_stride(0x1007e0, 4, ram->base.part_mask);
+ ram->fuc.r_0x100da0 = ramfuc_stride(0x100da0, 4, ram->base.part_mask);
+ ram->fuc.r_0x10f804 = ramfuc_reg(0x10f804);
+ ram->fuc.r_0x1110e0 = ramfuc_stride(0x1110e0, 4, ram->base.part_mask);
+ ram->fuc.r_0x111100 = ramfuc_reg(0x111100);
+ ram->fuc.r_0x111104 = ramfuc_reg(0x111104);
+ ram->fuc.r_0x1111e0 = ramfuc_reg(0x1111e0);
+ ram->fuc.r_0x111400 = ramfuc_reg(0x111400);
+ ram->fuc.r_0x611200 = ramfuc_reg(0x611200);
+
+ if (ram->base.ranks > 1) {
+ ram->fuc.r_mr[0] = ramfuc_reg2(0x1002c0, 0x1002c8);
+ ram->fuc.r_mr[1] = ramfuc_reg2(0x1002c4, 0x1002cc);
+ ram->fuc.r_mr[2] = ramfuc_reg2(0x1002e0, 0x1002e8);
+ ram->fuc.r_mr[3] = ramfuc_reg2(0x1002e4, 0x1002ec);
+ } else {
+ ram->fuc.r_mr[0] = ramfuc_reg(0x1002c0);
+ ram->fuc.r_mr[1] = ramfuc_reg(0x1002c4);
+ ram->fuc.r_mr[2] = ramfuc_reg(0x1002e0);
+ ram->fuc.r_mr[3] = ramfuc_reg(0x1002e4);
+ }
+
+ ret = gpio->find(gpio, 0, 0x2e, DCB_GPIO_UNUSED, &func);
+ if (ret == 0) {
+ nv50_gpio_location(func.line, ®, &shift);
+ ram->fuc.r_gpioFBVREF = ramfuc_reg(reg);
+ }
+
+ return 0;
+}
+
+struct nvkm_oclass
+gt215_ram_oclass = {
+ .ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = gt215_ram_ctor,
+ .dtor = _nvkm_ram_dtor,
+ .init = gt215_ram_init,
+ .fini = gt215_ram_fini,
+ },
+};
Code Review / kvmfornfv.git / blobdiff