642 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			642 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 2013 Red Hat Inc.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 * OTHER DEALINGS IN THE SOFTWARE.
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 *
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 * Authors: Ben Skeggs
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 */
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#define nv50_ram(p) container_of((p), struct nv50_ram, base)
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#include "ram.h"
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#include "ramseq.h"
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#include "nv50.h"
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#include <core/option.h>
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#include <subdev/bios.h>
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#include <subdev/bios/perf.h>
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#include <subdev/bios/pll.h>
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#include <subdev/bios/rammap.h>
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#include <subdev/bios/timing.h>
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#include <subdev/clk/pll.h>
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#include <subdev/gpio.h>
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struct nv50_ramseq {
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	struct hwsq base;
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	struct hwsq_reg r_0x002504;
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	struct hwsq_reg r_0x004008;
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	struct hwsq_reg r_0x00400c;
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	struct hwsq_reg r_0x00c040;
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	struct hwsq_reg r_0x100200;
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	struct hwsq_reg r_0x100210;
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	struct hwsq_reg r_0x10021c;
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	struct hwsq_reg r_0x1002d0;
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	struct hwsq_reg r_0x1002d4;
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	struct hwsq_reg r_0x1002dc;
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	struct hwsq_reg r_0x10053c;
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	struct hwsq_reg r_0x1005a0;
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	struct hwsq_reg r_0x1005a4;
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	struct hwsq_reg r_0x100710;
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	struct hwsq_reg r_0x100714;
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	struct hwsq_reg r_0x100718;
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	struct hwsq_reg r_0x10071c;
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	struct hwsq_reg r_0x100da0;
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	struct hwsq_reg r_0x100e20;
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	struct hwsq_reg r_0x100e24;
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	struct hwsq_reg r_0x611200;
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	struct hwsq_reg r_timing[9];
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	struct hwsq_reg r_mr[4];
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	struct hwsq_reg r_gpio[4];
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};
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struct nv50_ram {
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	struct nvkm_ram base;
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	struct nv50_ramseq hwsq;
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};
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#define T(t) cfg->timing_10_##t
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static int
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nv50_ram_timing_calc(struct nv50_ram *ram, u32 *timing)
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{
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	struct nvbios_ramcfg *cfg = &ram->base.target.bios;
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	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
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	struct nvkm_device *device = subdev->device;
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	u32 cur2, cur4, cur7, cur8;
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	u8 unkt3b;
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	cur2 = nvkm_rd32(device, 0x100228);
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	cur4 = nvkm_rd32(device, 0x100230);
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	cur7 = nvkm_rd32(device, 0x10023c);
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	cur8 = nvkm_rd32(device, 0x100240);
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	switch ((!T(CWL)) * ram->base.type) {
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	case NVKM_RAM_TYPE_DDR2:
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		T(CWL) = T(CL) - 1;
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		break;
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	case NVKM_RAM_TYPE_GDDR3:
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		T(CWL) = ((cur2 & 0xff000000) >> 24) + 1;
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		break;
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	}
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	/* XXX: N=1 is not proper statistics */
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	if (device->chipset == 0xa0) {
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		unkt3b = 0x19 + ram->base.next->bios.rammap_00_16_40;
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		timing[6] = (0x2d + T(CL) - T(CWL) +
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				ram->base.next->bios.rammap_00_16_40) << 16 |
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			    T(CWL) << 8 |
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			    (0x2f + T(CL) - T(CWL));
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	} else {
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		unkt3b = 0x16;
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		timing[6] = (0x2b + T(CL) - T(CWL)) << 16 |
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			    max_t(s8, T(CWL) - 2, 1) << 8 |
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			    (0x2e + T(CL) - T(CWL));
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	}
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	timing[0] = (T(RP) << 24 | T(RAS) << 16 | T(RFC) << 8 | T(RC));
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	timing[1] = (T(WR) + 1 + T(CWL)) << 24 |
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		    max_t(u8, T(18), 1) << 16 |
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		    (T(WTR) + 1 + T(CWL)) << 8 |
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		    (3 + T(CL) - T(CWL));
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	timing[2] = (T(CWL) - 1) << 24 |
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		    (T(RRD) << 16) |
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		    (T(RCDWR) << 8) |
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		    T(RCDRD);
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	timing[3] = (unkt3b - 2 + T(CL)) << 24 |
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		    unkt3b << 16 |
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		    (T(CL) - 1) << 8 |
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		    (T(CL) - 1);
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	timing[4] = (cur4 & 0xffff0000) |
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		    T(13) << 8 |
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		    T(13);
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	timing[5] = T(RFC) << 24 |
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		    max_t(u8, T(RCDRD), T(RCDWR)) << 16 |
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		    T(RP);
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	/* Timing 6 is already done above */
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	timing[7] = (cur7 & 0xff00ffff) | (T(CL) - 1) << 16;
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	timing[8] = (cur8 & 0xffffff00);
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	/* XXX: P.version == 1 only has DDR2 and GDDR3? */
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	if (ram->base.type == NVKM_RAM_TYPE_DDR2) {
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		timing[5] |= (T(CL) + 3) << 8;
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		timing[8] |= (T(CL) - 4);
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	} else
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	if (ram->base.type == NVKM_RAM_TYPE_GDDR3) {
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		timing[5] |= (T(CL) + 2) << 8;
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		timing[8] |= (T(CL) - 2);
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	}
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	nvkm_debug(subdev, " 220: %08x %08x %08x %08x\n",
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		   timing[0], timing[1], timing[2], timing[3]);
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	nvkm_debug(subdev, " 230: %08x %08x %08x %08x\n",
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		   timing[4], timing[5], timing[6], timing[7]);
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	nvkm_debug(subdev, " 240: %08x\n", timing[8]);
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	return 0;
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}
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static int
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nv50_ram_timing_read(struct nv50_ram *ram, u32 *timing)
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{
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	unsigned int i;
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	struct nvbios_ramcfg *cfg = &ram->base.target.bios;
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	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
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	struct nvkm_device *device = subdev->device;
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	for (i = 0; i <= 8; i++)
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		timing[i] = nvkm_rd32(device, 0x100220 + (i * 4));
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	/* Derive the bare minimum for the MR calculation to succeed */
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	cfg->timing_ver = 0x10;
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	T(CL) = (timing[3] & 0xff) + 1;
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	switch (ram->base.type) {
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	case NVKM_RAM_TYPE_DDR2:
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		T(CWL) = T(CL) - 1;
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		break;
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	case NVKM_RAM_TYPE_GDDR3:
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		T(CWL) = ((timing[2] & 0xff000000) >> 24) + 1;
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		break;
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	default:
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		return -ENOSYS;
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	}
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	T(WR) = ((timing[1] >> 24) & 0xff) - 1 - T(CWL);
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	return 0;
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}
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#undef T
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static void
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nvkm_sddr2_dll_reset(struct nv50_ramseq *hwsq)
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{
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	ram_mask(hwsq, mr[0], 0x100, 0x100);
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	ram_mask(hwsq, mr[0], 0x100, 0x000);
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	ram_nsec(hwsq, 24000);
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}
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static void
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nv50_ram_gpio(struct nv50_ramseq *hwsq, u8 tag, u32 val)
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{
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	struct nvkm_gpio *gpio = hwsq->base.subdev->device->gpio;
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	struct dcb_gpio_func func;
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	u32 reg, sh, gpio_val;
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	int ret;
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	if (nvkm_gpio_get(gpio, 0, tag, DCB_GPIO_UNUSED) != val) {
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		ret = nvkm_gpio_find(gpio, 0, tag, DCB_GPIO_UNUSED, &func);
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		if (ret)
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			return;
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		reg = func.line >> 3;
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		sh = (func.line & 0x7) << 2;
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		gpio_val = ram_rd32(hwsq, gpio[reg]);
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		if (gpio_val & (8 << sh))
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			val = !val;
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		if (!(func.log[1] & 1))
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			val = !val;
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		ram_mask(hwsq, gpio[reg], (0x3 << sh), ((val | 0x2) << sh));
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		ram_nsec(hwsq, 20000);
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	}
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}
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static int
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nv50_ram_calc(struct nvkm_ram *base, u32 freq)
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{
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	struct nv50_ram *ram = nv50_ram(base);
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	struct nv50_ramseq *hwsq = &ram->hwsq;
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	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
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	struct nvkm_bios *bios = subdev->device->bios;
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	struct nvbios_perfE perfE;
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	struct nvbios_pll mpll;
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	struct nvkm_ram_data *next;
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	u8  ver, hdr, cnt, len, strap, size;
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	u32 data;
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	u32 r100da0, r004008, unk710, unk714, unk718, unk71c;
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	int N1, M1, N2, M2, P;
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	int ret, i;
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	u32 timing[9];
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	next = &ram->base.target;
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	next->freq = freq;
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	ram->base.next = next;
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	/* lookup closest matching performance table entry for frequency */
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	i = 0;
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	do {
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		data = nvbios_perfEp(bios, i++, &ver, &hdr, &cnt,
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				     &size, &perfE);
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		if (!data || (ver < 0x25 || ver >= 0x40) ||
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		    (size < 2)) {
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			nvkm_error(subdev, "invalid/missing perftab entry\n");
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			return -EINVAL;
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		}
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	} while (perfE.memory < freq);
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	nvbios_rammapEp_from_perf(bios, data, hdr, &next->bios);
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	/* locate specific data set for the attached memory */
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	strap = nvbios_ramcfg_index(subdev);
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	if (strap >= cnt) {
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		nvkm_error(subdev, "invalid ramcfg strap\n");
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		return -EINVAL;
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	}
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	data = nvbios_rammapSp_from_perf(bios, data + hdr, size, strap,
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			&next->bios);
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	if (!data) {
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		nvkm_error(subdev, "invalid/missing rammap entry ");
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		return -EINVAL;
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	}
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	/* lookup memory timings, if bios says they're present */
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	if (next->bios.ramcfg_timing != 0xff) {
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		data = nvbios_timingEp(bios, next->bios.ramcfg_timing,
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					&ver, &hdr, &cnt, &len, &next->bios);
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		if (!data || ver != 0x10 || hdr < 0x12) {
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			nvkm_error(subdev, "invalid/missing timing entry "
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				 "%02x %04x %02x %02x\n",
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				 strap, data, ver, hdr);
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			return -EINVAL;
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		}
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		nv50_ram_timing_calc(ram, timing);
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	} else {
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		nv50_ram_timing_read(ram, timing);
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	}
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	ret = ram_init(hwsq, subdev);
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	if (ret)
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		return ret;
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	/* Determine ram-specific MR values */
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	ram->base.mr[0] = ram_rd32(hwsq, mr[0]);
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	ram->base.mr[1] = ram_rd32(hwsq, mr[1]);
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	ram->base.mr[2] = ram_rd32(hwsq, mr[2]);
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	switch (ram->base.type) {
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	case NVKM_RAM_TYPE_GDDR3:
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		ret = nvkm_gddr3_calc(&ram->base);
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		break;
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	default:
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		ret = -ENOSYS;
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		break;
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	}
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	if (ret) {
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		nvkm_error(subdev, "Could not calculate MR\n");
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		return ret;
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	}
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	if (subdev->device->chipset <= 0x96 && !next->bios.ramcfg_00_03_02)
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		ram_mask(hwsq, 0x100710, 0x00000200, 0x00000000);
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	/* Always disable this bit during reclock */
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	ram_mask(hwsq, 0x100200, 0x00000800, 0x00000000);
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	ram_wait_vblank(hwsq);
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	ram_wr32(hwsq, 0x611200, 0x00003300);
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	ram_wr32(hwsq, 0x002504, 0x00000001); /* block fifo */
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	ram_nsec(hwsq, 8000);
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	ram_setf(hwsq, 0x10, 0x00); /* disable fb */
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	ram_wait(hwsq, 0x00, 0x01); /* wait for fb disabled */
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	ram_nsec(hwsq, 2000);
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	if (next->bios.timing_10_ODT)
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		nv50_ram_gpio(hwsq, 0x2e, 1);
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	ram_wr32(hwsq, 0x1002d4, 0x00000001); /* precharge */
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	ram_wr32(hwsq, 0x1002d0, 0x00000001); /* refresh */
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	ram_wr32(hwsq, 0x1002d0, 0x00000001); /* refresh */
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	ram_wr32(hwsq, 0x100210, 0x00000000); /* disable auto-refresh */
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	ram_wr32(hwsq, 0x1002dc, 0x00000001); /* enable self-refresh */
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	ret = nvbios_pll_parse(bios, 0x004008, &mpll);
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	mpll.vco2.max_freq = 0;
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	if (ret >= 0) {
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		ret = nv04_pll_calc(subdev, &mpll, freq,
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				    &N1, &M1, &N2, &M2, &P);
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		if (ret <= 0)
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			ret = -EINVAL;
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	}
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	if (ret < 0)
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		return ret;
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	/* XXX: 750MHz seems rather arbitrary */
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	if (freq <= 750000) {
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		r100da0 = 0x00000010;
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		r004008 = 0x90000000;
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	} else {
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		r100da0 = 0x00000000;
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		r004008 = 0x80000000;
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	}
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	r004008 |= (mpll.bias_p << 19) | (P << 22) | (P << 16);
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	ram_mask(hwsq, 0x00c040, 0xc000c000, 0x0000c000);
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	/* XXX: Is rammap_00_16_40 the DLL bit we've seen in GT215? Why does
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	 * it have a different rammap bit from DLLoff? */
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	ram_mask(hwsq, 0x004008, 0x00004200, 0x00000200 |
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			next->bios.rammap_00_16_40 << 14);
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	ram_mask(hwsq, 0x00400c, 0x0000ffff, (N1 << 8) | M1);
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	ram_mask(hwsq, 0x004008, 0x91ff0000, r004008);
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	/* XXX: GDDR3 only? */
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	if (subdev->device->chipset >= 0x92)
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		ram_wr32(hwsq, 0x100da0, r100da0);
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	nv50_ram_gpio(hwsq, 0x18, !next->bios.ramcfg_FBVDDQ);
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	ram_nsec(hwsq, 64000); /*XXX*/
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	ram_nsec(hwsq, 32000); /*XXX*/
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	ram_mask(hwsq, 0x004008, 0x00002200, 0x00002000);
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	ram_wr32(hwsq, 0x1002dc, 0x00000000); /* disable self-refresh */
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	ram_wr32(hwsq, 0x1002d4, 0x00000001); /* disable self-refresh */
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	ram_wr32(hwsq, 0x100210, 0x80000000); /* enable auto-refresh */
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	ram_nsec(hwsq, 12000);
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	switch (ram->base.type) {
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	case NVKM_RAM_TYPE_DDR2:
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		ram_nuke(hwsq, mr[0]); /* force update */
 | 
						|
		ram_mask(hwsq, mr[0], 0x000, 0x000);
 | 
						|
		break;
 | 
						|
	case NVKM_RAM_TYPE_GDDR3:
 | 
						|
		ram_nuke(hwsq, mr[1]); /* force update */
 | 
						|
		ram_wr32(hwsq, mr[1], ram->base.mr[1]);
 | 
						|
		ram_nuke(hwsq, mr[0]); /* force update */
 | 
						|
		ram_wr32(hwsq, mr[0], ram->base.mr[0]);
 | 
						|
		break;
 | 
						|
	default:
 | 
						|
		break;
 | 
						|
	}
 | 
						|
 | 
						|
	ram_mask(hwsq, timing[3], 0xffffffff, timing[3]);
 | 
						|
	ram_mask(hwsq, timing[1], 0xffffffff, timing[1]);
 | 
						|
	ram_mask(hwsq, timing[6], 0xffffffff, timing[6]);
 | 
						|
	ram_mask(hwsq, timing[7], 0xffffffff, timing[7]);
 | 
						|
	ram_mask(hwsq, timing[8], 0xffffffff, timing[8]);
 | 
						|
	ram_mask(hwsq, timing[0], 0xffffffff, timing[0]);
 | 
						|
	ram_mask(hwsq, timing[2], 0xffffffff, timing[2]);
 | 
						|
	ram_mask(hwsq, timing[4], 0xffffffff, timing[4]);
 | 
						|
	ram_mask(hwsq, timing[5], 0xffffffff, timing[5]);
 | 
						|
 | 
						|
	if (!next->bios.ramcfg_00_03_02)
 | 
						|
		ram_mask(hwsq, 0x10021c, 0x00010000, 0x00000000);
 | 
						|
	ram_mask(hwsq, 0x100200, 0x00001000, !next->bios.ramcfg_00_04_02 << 12);
 | 
						|
 | 
						|
	/* XXX: A lot of this could be "chipset"/"ram type" specific stuff */
 | 
						|
	unk710  = ram_rd32(hwsq, 0x100710) & ~0x00000100;
 | 
						|
	unk714  = ram_rd32(hwsq, 0x100714) & ~0xf0000020;
 | 
						|
	unk718  = ram_rd32(hwsq, 0x100718) & ~0x00000100;
 | 
						|
	unk71c  = ram_rd32(hwsq, 0x10071c) & ~0x00000100;
 | 
						|
	if (subdev->device->chipset <= 0x96) {
 | 
						|
		unk710 &= ~0x0000006e;
 | 
						|
		unk714 &= ~0x00000100;
 | 
						|
 | 
						|
		if (!next->bios.ramcfg_00_03_08)
 | 
						|
			unk710 |= 0x00000060;
 | 
						|
		if (!next->bios.ramcfg_FBVDDQ)
 | 
						|
			unk714 |= 0x00000100;
 | 
						|
		if ( next->bios.ramcfg_00_04_04)
 | 
						|
			unk710 |= 0x0000000e;
 | 
						|
	} else {
 | 
						|
		unk710 &= ~0x00000001;
 | 
						|
 | 
						|
		if (!next->bios.ramcfg_00_03_08)
 | 
						|
			unk710 |= 0x00000001;
 | 
						|
	}
 | 
						|
 | 
						|
	if ( next->bios.ramcfg_00_03_01)
 | 
						|
		unk71c |= 0x00000100;
 | 
						|
	if ( next->bios.ramcfg_00_03_02)
 | 
						|
		unk710 |= 0x00000100;
 | 
						|
	if (!next->bios.ramcfg_00_03_08)
 | 
						|
		unk714 |= 0x00000020;
 | 
						|
	if ( next->bios.ramcfg_00_04_04)
 | 
						|
		unk714 |= 0x70000000;
 | 
						|
	if ( next->bios.ramcfg_00_04_20)
 | 
						|
		unk718 |= 0x00000100;
 | 
						|
 | 
						|
	ram_mask(hwsq, 0x100714, 0xffffffff, unk714);
 | 
						|
	ram_mask(hwsq, 0x10071c, 0xffffffff, unk71c);
 | 
						|
	ram_mask(hwsq, 0x100718, 0xffffffff, unk718);
 | 
						|
	ram_mask(hwsq, 0x100710, 0xffffffff, unk710);
 | 
						|
 | 
						|
	/* XXX: G94 does not even test these regs in trace. Harmless we do it,
 | 
						|
	 * but why is it omitted? */
 | 
						|
	if (next->bios.rammap_00_16_20) {
 | 
						|
		ram_wr32(hwsq, 0x1005a0, next->bios.ramcfg_00_07 << 16 |
 | 
						|
					 next->bios.ramcfg_00_06 << 8 |
 | 
						|
					 next->bios.ramcfg_00_05);
 | 
						|
		ram_wr32(hwsq, 0x1005a4, next->bios.ramcfg_00_09 << 8 |
 | 
						|
					 next->bios.ramcfg_00_08);
 | 
						|
		ram_mask(hwsq, 0x10053c, 0x00001000, 0x00000000);
 | 
						|
	} else {
 | 
						|
		ram_mask(hwsq, 0x10053c, 0x00001000, 0x00001000);
 | 
						|
	}
 | 
						|
	ram_mask(hwsq, mr[1], 0xffffffff, ram->base.mr[1]);
 | 
						|
 | 
						|
	if (!next->bios.timing_10_ODT)
 | 
						|
		nv50_ram_gpio(hwsq, 0x2e, 0);
 | 
						|
 | 
						|
	/* Reset DLL */
 | 
						|
	if (!next->bios.ramcfg_DLLoff)
 | 
						|
		nvkm_sddr2_dll_reset(hwsq);
 | 
						|
 | 
						|
	ram_setf(hwsq, 0x10, 0x01); /* enable fb */
 | 
						|
	ram_wait(hwsq, 0x00, 0x00); /* wait for fb enabled */
 | 
						|
	ram_wr32(hwsq, 0x611200, 0x00003330);
 | 
						|
	ram_wr32(hwsq, 0x002504, 0x00000000); /* un-block fifo */
 | 
						|
 | 
						|
	if (next->bios.rammap_00_17_02)
 | 
						|
		ram_mask(hwsq, 0x100200, 0x00000800, 0x00000800);
 | 
						|
	if (!next->bios.rammap_00_16_40)
 | 
						|
		ram_mask(hwsq, 0x004008, 0x00004000, 0x00000000);
 | 
						|
	if (next->bios.ramcfg_00_03_02)
 | 
						|
		ram_mask(hwsq, 0x10021c, 0x00010000, 0x00010000);
 | 
						|
	if (subdev->device->chipset <= 0x96 && next->bios.ramcfg_00_03_02)
 | 
						|
		ram_mask(hwsq, 0x100710, 0x00000200, 0x00000200);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static int
 | 
						|
nv50_ram_prog(struct nvkm_ram *base)
 | 
						|
{
 | 
						|
	struct nv50_ram *ram = nv50_ram(base);
 | 
						|
	struct nvkm_device *device = ram->base.fb->subdev.device;
 | 
						|
	ram_exec(&ram->hwsq, nvkm_boolopt(device->cfgopt, "NvMemExec", true));
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
nv50_ram_tidy(struct nvkm_ram *base)
 | 
						|
{
 | 
						|
	struct nv50_ram *ram = nv50_ram(base);
 | 
						|
	ram_exec(&ram->hwsq, false);
 | 
						|
}
 | 
						|
 | 
						|
static const struct nvkm_ram_func
 | 
						|
nv50_ram_func = {
 | 
						|
	.calc = nv50_ram_calc,
 | 
						|
	.prog = nv50_ram_prog,
 | 
						|
	.tidy = nv50_ram_tidy,
 | 
						|
};
 | 
						|
 | 
						|
static u32
 | 
						|
nv50_fb_vram_rblock(struct nvkm_ram *ram)
 | 
						|
{
 | 
						|
	struct nvkm_subdev *subdev = &ram->fb->subdev;
 | 
						|
	struct nvkm_device *device = subdev->device;
 | 
						|
	int colbits, rowbitsa, rowbitsb, banks;
 | 
						|
	u64 rowsize, predicted;
 | 
						|
	u32 r0, r4, rt, rblock_size;
 | 
						|
 | 
						|
	r0 = nvkm_rd32(device, 0x100200);
 | 
						|
	r4 = nvkm_rd32(device, 0x100204);
 | 
						|
	rt = nvkm_rd32(device, 0x100250);
 | 
						|
	nvkm_debug(subdev, "memcfg %08x %08x %08x %08x\n",
 | 
						|
		   r0, r4, rt, nvkm_rd32(device, 0x001540));
 | 
						|
 | 
						|
	colbits  =  (r4 & 0x0000f000) >> 12;
 | 
						|
	rowbitsa = ((r4 & 0x000f0000) >> 16) + 8;
 | 
						|
	rowbitsb = ((r4 & 0x00f00000) >> 20) + 8;
 | 
						|
	banks    = 1 << (((r4 & 0x03000000) >> 24) + 2);
 | 
						|
 | 
						|
	rowsize = ram->parts * banks * (1 << colbits) * 8;
 | 
						|
	predicted = rowsize << rowbitsa;
 | 
						|
	if (r0 & 0x00000004)
 | 
						|
		predicted += rowsize << rowbitsb;
 | 
						|
 | 
						|
	if (predicted != ram->size) {
 | 
						|
		nvkm_warn(subdev, "memory controller reports %d MiB VRAM\n",
 | 
						|
			  (u32)(ram->size >> 20));
 | 
						|
	}
 | 
						|
 | 
						|
	rblock_size = rowsize;
 | 
						|
	if (rt & 1)
 | 
						|
		rblock_size *= 3;
 | 
						|
 | 
						|
	nvkm_debug(subdev, "rblock %d bytes\n", rblock_size);
 | 
						|
	return rblock_size;
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
nv50_ram_ctor(const struct nvkm_ram_func *func,
 | 
						|
	      struct nvkm_fb *fb, struct nvkm_ram *ram)
 | 
						|
{
 | 
						|
	struct nvkm_device *device = fb->subdev.device;
 | 
						|
	struct nvkm_bios *bios = device->bios;
 | 
						|
	const u32 rsvd_head = ( 256 * 1024); /* vga memory */
 | 
						|
	const u32 rsvd_tail = (1024 * 1024); /* vbios etc */
 | 
						|
	u64 size = nvkm_rd32(device, 0x10020c);
 | 
						|
	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 | 
						|
	int ret;
 | 
						|
 | 
						|
	switch (nvkm_rd32(device, 0x100714) & 0x00000007) {
 | 
						|
	case 0: type = NVKM_RAM_TYPE_DDR1; break;
 | 
						|
	case 1:
 | 
						|
		if (nvkm_fb_bios_memtype(bios) == NVKM_RAM_TYPE_DDR3)
 | 
						|
			type = NVKM_RAM_TYPE_DDR3;
 | 
						|
		else
 | 
						|
			type = NVKM_RAM_TYPE_DDR2;
 | 
						|
		break;
 | 
						|
	case 2: type = NVKM_RAM_TYPE_GDDR3; break;
 | 
						|
	case 3: type = NVKM_RAM_TYPE_GDDR4; break;
 | 
						|
	case 4: type = NVKM_RAM_TYPE_GDDR5; break;
 | 
						|
	default:
 | 
						|
		break;
 | 
						|
	}
 | 
						|
 | 
						|
	size = (size & 0x000000ff) << 32 | (size & 0xffffff00);
 | 
						|
 | 
						|
	ret = nvkm_ram_ctor(func, fb, type, size, ram);
 | 
						|
	if (ret)
 | 
						|
		return ret;
 | 
						|
 | 
						|
	ram->part_mask = (nvkm_rd32(device, 0x001540) & 0x00ff0000) >> 16;
 | 
						|
	ram->parts = hweight8(ram->part_mask);
 | 
						|
	ram->ranks = (nvkm_rd32(device, 0x100200) & 0x4) ? 2 : 1;
 | 
						|
	nvkm_mm_fini(&ram->vram);
 | 
						|
 | 
						|
	return nvkm_mm_init(&ram->vram, NVKM_RAM_MM_NORMAL,
 | 
						|
			    rsvd_head >> NVKM_RAM_MM_SHIFT,
 | 
						|
			    (size - rsvd_head - rsvd_tail) >> NVKM_RAM_MM_SHIFT,
 | 
						|
			    nv50_fb_vram_rblock(ram) >> NVKM_RAM_MM_SHIFT);
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
nv50_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 | 
						|
{
 | 
						|
	struct nv50_ram *ram;
 | 
						|
	int ret, i;
 | 
						|
 | 
						|
	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
 | 
						|
		return -ENOMEM;
 | 
						|
	*pram = &ram->base;
 | 
						|
 | 
						|
	ret = nv50_ram_ctor(&nv50_ram_func, fb, &ram->base);
 | 
						|
	if (ret)
 | 
						|
		return ret;
 | 
						|
 | 
						|
	ram->hwsq.r_0x002504 = hwsq_reg(0x002504);
 | 
						|
	ram->hwsq.r_0x00c040 = hwsq_reg(0x00c040);
 | 
						|
	ram->hwsq.r_0x004008 = hwsq_reg(0x004008);
 | 
						|
	ram->hwsq.r_0x00400c = hwsq_reg(0x00400c);
 | 
						|
	ram->hwsq.r_0x100200 = hwsq_reg(0x100200);
 | 
						|
	ram->hwsq.r_0x100210 = hwsq_reg(0x100210);
 | 
						|
	ram->hwsq.r_0x10021c = hwsq_reg(0x10021c);
 | 
						|
	ram->hwsq.r_0x1002d0 = hwsq_reg(0x1002d0);
 | 
						|
	ram->hwsq.r_0x1002d4 = hwsq_reg(0x1002d4);
 | 
						|
	ram->hwsq.r_0x1002dc = hwsq_reg(0x1002dc);
 | 
						|
	ram->hwsq.r_0x10053c = hwsq_reg(0x10053c);
 | 
						|
	ram->hwsq.r_0x1005a0 = hwsq_reg(0x1005a0);
 | 
						|
	ram->hwsq.r_0x1005a4 = hwsq_reg(0x1005a4);
 | 
						|
	ram->hwsq.r_0x100710 = hwsq_reg(0x100710);
 | 
						|
	ram->hwsq.r_0x100714 = hwsq_reg(0x100714);
 | 
						|
	ram->hwsq.r_0x100718 = hwsq_reg(0x100718);
 | 
						|
	ram->hwsq.r_0x10071c = hwsq_reg(0x10071c);
 | 
						|
	ram->hwsq.r_0x100da0 = hwsq_stride(0x100da0, 4, ram->base.part_mask);
 | 
						|
	ram->hwsq.r_0x100e20 = hwsq_reg(0x100e20);
 | 
						|
	ram->hwsq.r_0x100e24 = hwsq_reg(0x100e24);
 | 
						|
	ram->hwsq.r_0x611200 = hwsq_reg(0x611200);
 | 
						|
 | 
						|
	for (i = 0; i < 9; i++)
 | 
						|
		ram->hwsq.r_timing[i] = hwsq_reg(0x100220 + (i * 0x04));
 | 
						|
 | 
						|
	if (ram->base.ranks > 1) {
 | 
						|
		ram->hwsq.r_mr[0] = hwsq_reg2(0x1002c0, 0x1002c8);
 | 
						|
		ram->hwsq.r_mr[1] = hwsq_reg2(0x1002c4, 0x1002cc);
 | 
						|
		ram->hwsq.r_mr[2] = hwsq_reg2(0x1002e0, 0x1002e8);
 | 
						|
		ram->hwsq.r_mr[3] = hwsq_reg2(0x1002e4, 0x1002ec);
 | 
						|
	} else {
 | 
						|
		ram->hwsq.r_mr[0] = hwsq_reg(0x1002c0);
 | 
						|
		ram->hwsq.r_mr[1] = hwsq_reg(0x1002c4);
 | 
						|
		ram->hwsq.r_mr[2] = hwsq_reg(0x1002e0);
 | 
						|
		ram->hwsq.r_mr[3] = hwsq_reg(0x1002e4);
 | 
						|
	}
 | 
						|
 | 
						|
	ram->hwsq.r_gpio[0] = hwsq_reg(0x00e104);
 | 
						|
	ram->hwsq.r_gpio[1] = hwsq_reg(0x00e108);
 | 
						|
	ram->hwsq.r_gpio[2] = hwsq_reg(0x00e120);
 | 
						|
	ram->hwsq.r_gpio[3] = hwsq_reg(0x00e124);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 |