[PATCH v4 03/11] drm/hisilicon: Add crtc driver for ADE
Archit Taneja
architt at codeaurora.org
Mon Feb 8 02:59:01 PST 2016
On 02/06/2016 08:54 AM, Xinliang Liu wrote:
> Add crtc funcs and helper funcs for ADE.
>
> v4: None.
> v3:
> - Make ade as the master driver.
> - Use port to connect with encoder.
> - A few cleanup.
> v2:
> - Remove abtraction layer.
>
> Signed-off-by: Xinliang Liu <xinliang.liu at linaro.org>
> ---
> drivers/gpu/drm/hisilicon/kirin/Makefile | 3 +-
> drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h | 280 +++++++++++++++
> drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 458 ++++++++++++++++++++++++
> drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c | 15 +
> drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h | 8 +
> 5 files changed, 763 insertions(+), 1 deletion(-)
> create mode 100644 drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h
> create mode 100644 drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
>
> diff --git a/drivers/gpu/drm/hisilicon/kirin/Makefile b/drivers/gpu/drm/hisilicon/kirin/Makefile
> index cb346de47d48..2a61ab006ddb 100644
> --- a/drivers/gpu/drm/hisilicon/kirin/Makefile
> +++ b/drivers/gpu/drm/hisilicon/kirin/Makefile
> @@ -1,3 +1,4 @@
> -kirin-drm-y := kirin_drm_drv.o
> +kirin-drm-y := kirin_drm_drv.o \
> + kirin_drm_ade.o
>
> obj-$(CONFIG_DRM_HISI_KIRIN) += kirin-drm.o
> diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h b/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h
> new file mode 100644
> index 000000000000..78020747abfe
> --- /dev/null
> +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h
> @@ -0,0 +1,280 @@
> +/*
> + * Copyright (c) 2016 Linaro Limited.
> + * Copyright (c) 2014-2016 Hisilicon Limited.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + *
> + */
> +
> +#ifndef __KIRIN_ADE_REG_H__
> +#define __KIRIN_ADE_REG_H__
> +
> +/*
> + * ADE Registers
> + */
> +#define MASK(x) (BIT(x) - 1)
> +
> +#define ADE_CTRL 0x0004
> +#define FRM_END_START_OFST 0
> +#define FRM_END_START_MASK MASK(2)
> +#define ADE_CTRL1 0x008C
> +#define AUTO_CLK_GATE_EN_OFST 0
> +#define AUTO_CLK_GATE_EN BIT(0)
> +#define ADE_ROT_SRC_CFG 0x0010
> +#define ADE_DISP_SRC_CFG 0x0018
> +#define ADE_WDMA2_SRC_CFG 0x001C
> +#define ADE_SEC_OVLY_SRC_CFG 0x0020
> +#define ADE_WDMA3_SRC_CFG 0x0024
> +#define ADE_OVLY1_TRANS_CFG 0x002C
> +#define ADE_EN 0x0100
> +#define ADE_DISABLE 0
> +#define ADE_ENABLE 1
> +#define INTR_MASK_CPU(x) (0x0C10 + (x) * 0x4)
> +#define ADE_FRM_DISGARD_CTRL 0x00A4
> +/* reset and reload regs */
> +#define ADE_SOFT_RST_SEL(x) (0x0078 + (x) * 0x4)
> +#define ADE_RELOAD_DIS(x) (0x00AC + (x) * 0x4)
> +#define RDMA_OFST 0
> +#define CLIP_OFST 15
> +#define SCL_OFST 21
> +#define CTRAN_OFST 24
> +#define OVLY_OFST 37 /* 32+5 */
> +/* channel regs */
> +#define RD_CH_PE(x) (0x1000 + (x) * 0x80)
> +#define RD_CH_CTRL(x) (0x1004 + (x) * 0x80)
> +#define RD_CH_ADDR(x) (0x1008 + (x) * 0x80)
> +#define RD_CH_SIZE(x) (0x100C + (x) * 0x80)
> +#define RD_CH_STRIDE(x) (0x1010 + (x) * 0x80)
> +#define RD_CH_SPACE(x) (0x1014 + (x) * 0x80)
> +#define RD_CH_PARTIAL_SIZE(x) (0x1018 + (x) * 0x80)
> +#define RD_CH_PARTIAL_SPACE(x) (0x101C + (x) * 0x80)
> +#define RD_CH_EN(x) (0x1020 + (x) * 0x80)
> +#define RD_CH_STATUS(x) (0x1024 + (x) * 0x80)
> +#define RD_CH_DISP_CTRL 0x1404
> +#define RD_CH_DISP_ADDR 0x1408
> +#define RD_CH_DISP_SIZE 0x140C
> +#define RD_CH_DISP_STRIDE 0x1410
> +#define RD_CH_DISP_SPACE 0x1414
> +#define RD_CH_DISP_EN 0x142C
> +/* clip regs */
> +#define ADE_CLIP_DISABLE(x) (0x6800 + (x) * 0x100)
> +#define ADE_CLIP_SIZE0(x) (0x6804 + (x) * 0x100)
> +#define ADE_CLIP_SIZE1(x) (0x6808 + (x) * 0x100)
> +#define ADE_CLIP_SIZE2(x) (0x680C + (x) * 0x100)
> +#define ADE_CLIP_CFG_OK(x) (0x6810 + (x) * 0x100)
> +/* scale regs */
> +#define ADE_SCL1_MUX_CFG 0x000C
> +#define ADE_SCL2_SRC_CFG 0x0014
> +#define ADE_SCL3_MUX_CFG 0x0008
> +#define ADE_SCL_CTRL(x) (0x3000 + (x) * 0x800)
> +#define ADE_SCL_HSP(x) (0x3004 + (x) * 0x800)
> +#define ADE_SCL_UV_HSP(x) (0x3008 + (x) * 0x800)
> +#define ADE_SCL_VSP(x) (0x300C + (x) * 0x800)
> +#define ADE_SCL_UV_VSP(x) (0x3010 + (x) * 0x800)
> +#define ADE_SCL_ORES(x) (0x3014 + (x) * 0x800)
> +#define ADE_SCL_IRES(x) (0x3018 + (x) * 0x800)
> +#define ADE_SCL_START(x) (0x301C + (x) * 0x800)
> +#define ADE_SCL_ERR(x) (0x3020 + (x) * 0x800)
> +#define ADE_SCL_PIX_OFST(x) (0x3024 + (x) * 0x800)
> +#define ADE_SCL_UV_PIX_OFST(x) (0x3028 + (x) * 0x800)
> +#define ADE_SCL_COEF_CLR(x) (0x3030 + (x) * 0x800)
> +#define ADE_SCL_HCOEF(x, m, n) (0x3100 + (x) * 0x800 + \
> + 12 * (m) + 4 * (n))
> +#define ADE_SCL_VCOEF(x, i, j) (0x340C + (x) * 0x800 + \
> + 12 * (i) + 4 * (j))
> +/* ctran regs */
> +#define ADE_CTRAN5_TRANS_CFG 0x0040
> +#define ADE_CTRAN_DIS(x) (0x5004 + (x) * 0x100)
> +#define CTRAN_BYPASS_ON 1
> +#define CTRAN_BYPASS_OFF 0
> +#define ADE_CTRAN_MODE_CHOOSE(x) (0x5008 + (x) * 0x100)
> +#define ADE_CTRAN_STAT(x) (0x500C + (x) * 0x100)
> +#define ADE_CTRAN_CHDC0(x) (0x5010 + (x) * 0x100)
> +#define ADE_CTRAN_CHDC1(x) (0x5014 + (x) * 0x100)
> +#define ADE_CTRAN_CHDC2(x) (0x5018 + (x) * 0x100)
> +#define ADE_CTRAN_CHDC3(x) (0x501C + (x) * 0x100)
> +#define ADE_CTRAN_CHDC4(x) (0x5020 + (x) * 0x100)
> +#define ADE_CTRAN_CHDC5(x) (0x5024 + (x) * 0x100)
> +#define ADE_CTRAN_CSC0(x) (0x5028 + (x) * 0x100)
> +#define ADE_CTRAN_CSC1(x) (0x502C + (x) * 0x100)
> +#define ADE_CTRAN_CSC2(x) (0x5030 + (x) * 0x100)
> +#define ADE_CTRAN_CSC3(x) (0x5034 + (x) * 0x100)
> +#define ADE_CTRAN_CSC4(x) (0x5038 + (x) * 0x100)
> +#define ADE_CTRAN_IMAGE_SIZE(x) (0x503C + (x) * 0x100)
> +#define ADE_CTRAN_CFG_OK(x) (0x5040 + (x) * 0x100)
> +/* overlay regs */
> +#define ADE_OVLY_ALPHA_ST 0x2000
> +#define ADE_OVLY_CH_XY0(x) (0x2004 + (x) * 4)
> +#define ADE_OVLY_CH_XY1(x) (0x2024 + (x) * 4)
> +#define ADE_OVLY_CH_CTL(x) (0x204C + (x) * 4)
> +#define ADE_OVLY_OUTPUT_SIZE(x) (0x2070 + (x) * 8)
> +#define OUTPUT_XSIZE_OFST 16
> +#define ADE_OVLY_BASE_COLOR(x) (0x2074 + (x) * 8)
> +#define ADE_OVLYX_CTL(x) (0x209C + (x) * 4)
> +#define ADE_OVLY_CTL 0x0098
> +#define CH_OVLY_SEL_OFST(x) ((x) * 4)
> +#define CH_OVLY_SEL_MASK MASK(2)
> +#define CH_OVLY_SEL_VAL(x) ((x) + 1)
> +#define CH_ALP_MODE_OFST 0
> +#define CH_ALP_SEL_OFST 2
> +#define CH_UNDER_ALP_SEL_OFST 4
> +#define CH_EN_OFST 6
> +#define CH_ALP_GBL_OFST 15
> +#define CH_SEL_OFST 28
> +
> +/*
> + * LDI Registers
> + */
> +#define LDI_HRZ_CTRL0 0x7400
> +#define HBP_OFST 20
> +#define LDI_HRZ_CTRL1 0x7404
> +#define LDI_VRT_CTRL0 0x7408
> +#define VBP_OFST 20
> +#define LDI_VRT_CTRL1 0x740C
> +#define LDI_PLR_CTRL 0x7410
> +#define FLAG_NVSYNC BIT(0)
> +#define FLAG_NHSYNC BIT(1)
> +#define FLAG_NPIXCLK BIT(2)
> +#define FLAG_NDE BIT(3)
> +#define LDI_DSP_SIZE 0x7414
> +#define VSIZE_OFST 20
> +#define LDI_INT_EN 0x741C
> +#define FRAME_END_INT_EN_OFST 1
> +#define LDI_CTRL 0x7420
> +#define BPP_OFST 3
> +#define DATA_GATE_EN BIT(2)
> +#define LDI_EN BIT(0)
> +#define LDI_ORG_INT 0x7424
> +#define LDI_MSK_INT 0x7428
> +#define LDI_INT_CLR 0x742C
> +#define LDI_WORK_MODE 0x7430
> +#define LDI_DE_SPACE_LOW 0x7438
> +#define LDI_MCU_INTS 0x7450
> +#define LDI_MCU_INTE 0x7454
> +#define LDI_MCU_INTC 0x7458
> +#define LDI_HDMI_DSI_GT 0x7434
> +
> +/*
> + * media regs
> + */
> +#define SC_MEDIA_RSTDIS 0x0530
> +#define SC_MEDIA_RSTEN 0x052C
> +#define NOC_ADE0_QOSGENERATOR_MODE 0x010C
> +#define NOC_ADE0_QOSGENERATOR_EXTCONTROL 0x0118
> +#define NOC_ADE1_QOSGENERATOR_MODE 0x020C
> +#define NOC_ADE1_QOSGENERATOR_EXTCONTROL 0x0218
> +
> +/*
> + * ADE regs relevant enums
> + */
> +enum frame_end_start {
> + /* regs take effective in every vsync */
> + REG_EFFECTIVE_IN_VSYNC = 0,
> + /* regs take effective in fist ade en and every frame end */
> + REG_EFFECTIVE_IN_ADEEN_FRMEND,
> + /* regs take effective in ade en immediately */
> + REG_EFFECTIVE_IN_ADEEN,
> + /* regs take effective in first vsync and every frame end */
> + REG_EFFECTIVE_IN_VSYNC_FRMEND
> +};
> +
> +enum ade_fb_format {
> + ADE_RGB_565 = 0,
> + ADE_BGR_565,
> + ADE_XRGB_8888,
> + ADE_XBGR_8888,
> + ADE_ARGB_8888,
> + ADE_ABGR_8888,
> + ADE_RGBA_8888,
> + ADE_BGRA_8888,
> + ADE_RGB_888,
> + ADE_BGR_888 = 9,
> + ADE_FORMAT_NOT_SUPPORT = 800
> +};
> +
> +enum ade_channel {
> + ADE_CH1 = 0, /* channel 1 for primary plane */
> + ADE_CH_NUM
> +};
> +
> +enum ade_scale {
> + ADE_SCL1 = 0,
> + ADE_SCL2,
> + ADE_SCL3,
> + ADE_SCL_NUM
> +};
> +
> +enum ade_ctran {
> + ADE_CTRAN1 = 0,
> + ADE_CTRAN2,
> + ADE_CTRAN3,
> + ADE_CTRAN4,
> + ADE_CTRAN5,
> + ADE_CTRAN6,
> + ADE_CTRAN_NUM
> +};
> +
> +enum ade_overlay {
> + ADE_OVLY1 = 0,
> + ADE_OVLY2,
> + ADE_OVLY3,
> + ADE_OVLY_NUM
> +};
> +
> +enum ade_alpha_mode {
> + ADE_ALP_GLOBAL = 0,
> + ADE_ALP_PIXEL,
> + ADE_ALP_PIXEL_AND_GLB
> +};
> +
> +enum ade_alpha_blending_mode {
> + ADE_ALP_MUL_COEFF_0 = 0, /* alpha */
> + ADE_ALP_MUL_COEFF_1, /* 1-alpha */
> + ADE_ALP_MUL_COEFF_2, /* 0 */
> + ADE_ALP_MUL_COEFF_3 /* 1 */
> +};
> +
> +/*
> + * LDI regs relevant enums
> + */
> +enum dsi_pclk_en {
> + DSI_PCLK_ON = 0,
> + DSI_PCLK_OFF
> +};
> +
> +enum ldi_output_format {
> + LDI_OUT_RGB_565 = 0,
> + LDI_OUT_RGB_666,
> + LDI_OUT_RGB_888
> +};
> +
> +enum ldi_work_mode {
> + TEST_MODE = 0,
> + NORMAL_MODE
> +};
> +
> +enum ldi_input_source {
> + DISP_SRC_NONE = 0,
> + DISP_SRC_OVLY2,
> + DISP_SRC_DISP,
> + DISP_SRC_ROT,
> + DISP_SRC_SCL2
> +};
> +
> +/*
> + * Register Write/Read Helper functions
> + */
> +static inline void ade_update_bits(void __iomem *addr, u32 bit_start,
> + u32 mask, u32 val)
> +{
> + u32 tmp, orig;
> +
> + orig = readl(addr);
> + tmp = orig & ~(mask << bit_start);
> + tmp |= (val & mask) << bit_start;
> + writel(tmp, addr);
> +}
> +
> +#endif
> diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> new file mode 100644
> index 000000000000..b45149616716
> --- /dev/null
> +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> @@ -0,0 +1,458 @@
> +/*
> + * Hisilicon Hi6220 SoC ADE(Advanced Display Engine)'s crtc&plane driver
> + *
> + * Copyright (c) 2016 Linaro Limited.
> + * Copyright (c) 2014-2016 Hisilicon Limited.
> + *
> + * Author:
> + * Xinliang Liu <z.liuxinliang at hisilicon.com>
> + * Xinliang Liu <xinliang.liu at linaro.org>
> + * Xinwei Kong <kong.kongxinwei at hisilicon.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + *
> + */
> +
> +#include <linux/bitops.h>
> +#include <linux/clk.h>
> +#include <video/display_timing.h>
> +
> +#include <drm/drmP.h>
> +#include <drm/drm_crtc.h>
> +#include <drm/drm_crtc_helper.h>
> +#include <drm/drm_atomic.h>
> +#include <drm/drm_atomic_helper.h>
> +
> +#include "kirin_drm_drv.h"
> +#include "kirin_ade_reg.h"
> +
> +#define to_ade_crtc(crtc) \
> + container_of(crtc, struct ade_crtc, base)
> +
> +struct ade_hw_ctx {
> + void __iomem *base;
> + void __iomem *media_base;
> + void __iomem *media_noc_base;
> + int irq;
> + struct clk *ade_core_clk;
> + struct clk *media_noc_clk;
> + struct clk *ade_pix_clk;
> + bool power_on;
> +};
> +
> +struct ade_crtc {
> + struct drm_crtc base;
> + struct ade_hw_ctx *ctx;
> + bool enable;
> + u32 out_format;
> +};
> +
> +struct ade_data {
> + struct ade_crtc acrtc;
> + struct ade_hw_ctx ctx;
> +};
> +
> +static void ade_update_reload_bit(void __iomem *base, u32 bit_num, u32 val)
> +{
> + u32 bit_ofst, reg_num;
> +
> + bit_ofst = bit_num % 32;
> + reg_num = bit_num / 32;
> +
> + ade_update_bits(base + ADE_RELOAD_DIS(reg_num), bit_ofst,
> + MASK(1), !!val);
> +}
> +
> +static u32 ade_read_reload_bit(void __iomem *base, u32 bit_num)
> +{
> + u32 tmp, bit_ofst, reg_num;
> +
> + bit_ofst = bit_num % 32;
> + reg_num = bit_num / 32;
> +
> + tmp = readl(base + ADE_RELOAD_DIS(reg_num));
> + return !!(BIT(bit_ofst) & tmp);
> +}
> +
> +static void ade_init(struct ade_hw_ctx *ctx)
> +{
> + void __iomem *base = ctx->base;
> +
> + /* enable clk gate */
> + ade_update_bits(base + ADE_CTRL1, AUTO_CLK_GATE_EN_OFST,
> + AUTO_CLK_GATE_EN, ADE_ENABLE);
> + /* clear overlay */
> + writel(0, base + ADE_OVLY1_TRANS_CFG);
> + writel(0, base + ADE_OVLY_CTL);
> + writel(0, base + ADE_OVLYX_CTL(ADE_OVLY2));
> + /* clear reset and reload regs */
> + writel(MASK(32), base + ADE_SOFT_RST_SEL(0));
> + writel(MASK(32), base + ADE_SOFT_RST_SEL(1));
> + writel(MASK(32), base + ADE_RELOAD_DIS(0));
> + writel(MASK(32), base + ADE_RELOAD_DIS(1));
> + /* for video mode, that ade registers
> + * became effective at frame end
> + */
> + ade_update_bits(base + ADE_CTRL, FRM_END_START_OFST,
> + FRM_END_START_MASK, REG_EFFECTIVE_IN_ADEEN_FRMEND);
> +}
> +
> +static void ade_ldi_set_mode(struct ade_crtc *acrtc,
> + struct drm_display_mode *mode,
> + struct drm_display_mode *adj_mode)
> +{
> + struct ade_hw_ctx *ctx = acrtc->ctx;
> + void __iomem *base = ctx->base;
> + u32 width = mode->hdisplay;
> + u32 height = mode->vdisplay;
> + u32 hfp, hbp, hsw, vfp, vbp, vsw;
> + u32 plr_flags;
> + int ret;
> +
> + plr_flags = (mode->flags & DRM_MODE_FLAG_NVSYNC) ? FLAG_NVSYNC : 0;
> + plr_flags |= (mode->flags & DRM_MODE_FLAG_NHSYNC) ? FLAG_NHSYNC : 0;
> + hfp = mode->hsync_start - mode->hdisplay;
> + hbp = mode->htotal - mode->hsync_end;
> + hsw = mode->hsync_end - mode->hsync_start;
> + vfp = mode->vsync_start - mode->vdisplay;
> + vbp = mode->vtotal - mode->vsync_end;
> + vsw = mode->vsync_end - mode->vsync_start;
> + if (vsw > 15) {
> + DRM_DEBUG_DRIVER("vsw exceeded 15\n");
> + vsw = 15;
> + }
> +
> + writel((hbp << HBP_OFST) | hfp, base + LDI_HRZ_CTRL0);
> + /* the configured value is actual value - 1 */
> + writel(hsw - 1, base + LDI_HRZ_CTRL1);
> + writel((vbp << VBP_OFST) | vfp, base + LDI_VRT_CTRL0);
> + /* the configured value is actual value - 1 */
> + writel(vsw - 1, base + LDI_VRT_CTRL1);
> + /* the configured value is actual value - 1 */
> + writel(((height - 1) << VSIZE_OFST) | (width - 1),
> + base + LDI_DSP_SIZE);
> + writel(plr_flags, base + LDI_PLR_CTRL);
> +
> + /* Success should be guaranteed in mode_valid call back,
> + * so failer shouldn't happen here
> + */
> + ret = clk_set_rate(ctx->ade_pix_clk, mode->clock * 1000);
> + if (ret)
> + DRM_ERROR("failed to set pixel clk %dHz (%d)\n",
> + mode->clock * 1000, ret);
> + adj_mode->clock = clk_get_rate(ctx->ade_pix_clk) / 1000;
> +
> + /* ctran6 setting */
> + writel(CTRAN_BYPASS_ON, base + ADE_CTRAN_DIS(ADE_CTRAN6));
> + /* the configured value is actual value - 1 */
> + writel(width * height - 1, base + ADE_CTRAN_IMAGE_SIZE(ADE_CTRAN6));
> + ade_update_reload_bit(base, CTRAN_OFST + ADE_CTRAN6, 0);
> +
> + DRM_DEBUG_DRIVER("set mode: %dx%d\n", width, height);
> +}
> +
> +static int ade_power_up(struct ade_hw_ctx *ctx)
> +{
> + void __iomem *media_base = ctx->media_base;
> + int ret;
> +
> + ret = clk_prepare_enable(ctx->media_noc_clk);
> + if (ret) {
> + DRM_ERROR("failed to enable media_noc_clk (%d)\n", ret);
> + return ret;
> + }
> +
> + writel(0x20, media_base + SC_MEDIA_RSTDIS);
If this and the write in ade_power_down are to reset the
ADE block, they should ideally belong to clock/reset subsystem
and not touched by the driver.
> +
> + ret = clk_prepare_enable(ctx->ade_core_clk);
> + if (ret) {
> + DRM_ERROR("failed to enable ade_core_clk (%d)\n", ret);
> + return ret;
> + }
> +
> + ade_init(ctx);
> + ctx->power_on = true;
> + return 0;
> +}
> +
> +static void ade_power_down(struct ade_hw_ctx *ctx)
> +{
> + void __iomem *base = ctx->base;
> + void __iomem *media_base = ctx->media_base;
> +
> + writel(ADE_DISABLE, base + LDI_CTRL);
> + /* dsi pixel off */
> + writel(DSI_PCLK_OFF, base + LDI_HDMI_DSI_GT);
> +
> + clk_disable_unprepare(ctx->ade_core_clk);
> + writel(0x20, media_base + SC_MEDIA_RSTEN);
> + clk_disable_unprepare(ctx->media_noc_clk);
> + ctx->power_on = false;
> +}
> +
> +static void ade_set_medianoc_qos(struct ade_crtc *acrtc)
> +{
> + struct ade_hw_ctx *ctx = acrtc->ctx;
> + void __iomem *base = ctx->media_noc_base;
> + void __iomem *reg;
> + u32 val;
> +
> + reg = base + NOC_ADE0_QOSGENERATOR_MODE;
> + val = (readl(reg) & 0xfffffffc) | 0x2;
> + writel(val, reg);
> +
> + reg = base + NOC_ADE0_QOSGENERATOR_EXTCONTROL;
> + val = readl(reg) | 0x1;
> + writel(val, reg);
> +
> + reg = base + NOC_ADE1_QOSGENERATOR_MODE;
> + val = (readl(reg) & 0xfffffffc) | 0x2;
> + writel(val, reg);
> +
> + reg = base + NOC_ADE1_QOSGENERATOR_EXTCONTROL;
> + val = readl(reg) | 0x1;
> + writel(val, reg);
We could at least try to pass these via syscon, since we
don't have a framework to configure NoC QoS stuff.
Thanks,
Archit
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