video: dcu: Add DCU support for Vybrid SoC
authorStefan Agner <stefan.agner@toradex.com>
Tue, 21 Apr 2015 13:25:52 +0000 (15:25 +0200)
committerStefan Agner <stefan.agner@toradex.com>
Tue, 21 Apr 2015 14:44:11 +0000 (16:44 +0200)
The Vybrid SoC family has the same display controller unit (DCU)
like the LS1021A SoC. This patch adds platform data, pinmux defines
and clock control to enable the driver for Vybrid based  boards too.

arch/arm/include/asm/arch-vf610/crm_regs.h
arch/arm/include/asm/arch-vf610/imx-regs.h
arch/arm/include/asm/arch-vf610/iomux-vf610.h
arch/arm/include/asm/imx-common/iomux-v3.h
board/toradex/colibri_vf/Makefile
board/toradex/colibri_vf/colibri_vf.c
board/toradex/colibri_vf/dcu.c [new file with mode: 0644]
drivers/video/fsl_dcu_fb.c
include/configs/colibri_vf.h

index 851c3b911e613b06f915d3c7006669df0da0fd3e..320b6b0939833b6192e436ef1b8c97d7d8df21a0 100644 (file)
@@ -9,6 +9,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/types.h>
+
 /* Clock Controller Module (CCM) */
 struct ccm_reg {
        u32 ccr;
@@ -154,6 +156,8 @@ struct anadig_reg {
 #define CCM_CACRR_ARM_CLK_DIV_MASK             0x7
 #define CCM_CACRR_ARM_CLK_DIV(v)               ((v) & 0x7)
 
+#define CCM_CSCMR1_DCU1_CLK_SEL                        (1 << 29)
+#define CCM_CSCMR1_DCU0_CLK_SEL                        (1 << 28)
 #define CCM_CSCMR1_QSPI0_CLK_SEL_OFFSET                22
 #define CCM_CSCMR1_QSPI0_CLK_SEL_MASK          (0x3 << 22)
 #define CCM_CSCMR1_QSPI0_CLK_SEL(v)            (((v) & 0x3) << 22)
@@ -178,6 +182,12 @@ struct anadig_reg {
 #define CCM_CSCDR2_ESDHC1_CLK_DIV_MASK         (0xf << 20)
 #define CCM_CSCDR2_ESDHC1_CLK_DIV(v)           (((v) & 0xf) << 20)
 
+#define CCM_CSCDR3_DCU1_EN                     (1 << 23)
+#define CCM_CSCDR3_DCU1_DIV_MASK               (0x7 << 20)
+#define CCM_CSCDR3_DCU1_DIV(v)                 (((v) & 0x7) << 20)
+#define CCM_CSCDR3_DCU0_EN                     (1 << 19)
+#define CCM_CSCDR3_DCU0_DIV_MASK               (0x7 << 16)
+#define CCM_CSCDR3_DCU0_DIV(v)                 (((v) & 0x7) << 16)
 #define CCM_CSCDR3_NFC_PRE_DIV_OFFSET          13
 #define CCM_CSCDR3_NFC_PRE_DIV_MASK            (0x7 << 13)
 #define CCM_CSCDR3_NFC_PRE_DIV(v)              (((v) & 0x7) << 13)
@@ -195,6 +205,7 @@ struct anadig_reg {
 #define CCM_CCGR0_UART1_CTRL_MASK              (0x3 << 16)
 #define CCM_CCGR1_USBC0_CTRL_MASK       (0x3 << 8)
 #define CCM_CCGR1_PIT_CTRL_MASK                        (0x3 << 14)
+#define CCM_CCGR1_TCON0_CTRL_MASK              (0x3 << 26)
 #define CCM_CCGR1_WDOGA5_CTRL_MASK             (0x3 << 28)
 #define CCM_CCGR2_QSPI0_CTRL_MASK              (0x3 << 8)
 #define CCM_CCGR2_IOMUXC_CTRL_MASK             (0x3 << 16)
@@ -205,6 +216,7 @@ struct anadig_reg {
 #define CCM_CCGR2_PORTE_CTRL_MASK              (0x3 << 26)
 #define CCM_CCGR3_ANADIG_CTRL_MASK             0x3
 #define CCM_CCGR3_SCSC_CTRL_MASK        (0x3 << 4)
+#define CCM_CCGR3_DCU0_CTRL_MASK        (0x3 << 16)
 #define CCM_CCGR4_WKUP_CTRL_MASK               (0x3 << 20)
 #define CCM_CCGR4_CCM_CTRL_MASK                        (0x3 << 22)
 #define CCM_CCGR4_GPC_CTRL_MASK                        (0x3 << 24)
index a7d765af359d168a22f7c62cb38890c4a848b980..512bc1fdb53b0df05bb8b1ce0e21edb56052753f 100644 (file)
@@ -69,6 +69,7 @@
 #define USB_PHY0_BASE_ADDR  (AIPS0_BASE_ADDR + 0x00050800)
 #define USB_PHY1_BASE_ADDR  (AIPS0_BASE_ADDR + 0x00050C00)
 #define SCSC_BASE_ADDR         (AIPS0_BASE_ADDR + 0x00052000)
+#define DCU0_BASE_ADDR         (AIPS0_BASE_ADDR + 0x00058000)
 #define ASRC_BASE_ADDR         (AIPS0_BASE_ADDR + 0x00060000)
 #define SPDIF_BASE_ADDR                (AIPS0_BASE_ADDR + 0x00061000)
 #define ESAI_BASE_ADDR         (AIPS0_BASE_ADDR + 0x00062000)
@@ -90,6 +91,7 @@
 #define USBC1_BASE_ADDR     (AIPS1_BASE_ADDR + 0x00034000)
 #define ENET_BASE_ADDR         (AIPS1_BASE_ADDR + 0x00050000)
 #define ENET1_BASE_ADDR                (AIPS1_BASE_ADDR + 0x00051000)
+#define DCU1_BASE_ADDR         (AIPS1_BASE_ADDR + 0x00058000)
 #define NFC_BASE_ADDR          (AIPS1_BASE_ADDR + 0x00060000)
 
 #define QSPI0_AMBA_BASE                0x20000000
index 9226e69fec1e9629efc448342054978f35be079d..6d0f817f12f171be30b3f86a0bca6728099c0c28 100644 (file)
@@ -32,6 +32,9 @@
 #define VF610_QSPI_PAD_CTRL    (PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_150ohm | \
                                PAD_CTL_PUS_22K_UP | PAD_CTL_OBE_IBE_ENABLE)
 
+#define VF610_DCU_PAD_CTRL     (PAD_CTL_SPEED_MED | PAD_CTL_SRE | \
+                               PAD_CTL_DSE_37ohm | PAD_CTL_OBE_ENABLE)
+
 enum {
        VF610_PAD_PTA6__RMII0_CLKIN             = IOMUX_PAD(0x0000, 0x0000, 2, __NA_, 0, VF610_ENET_PAD_CTRL),
        VF610_PAD_PTA6__RMII0_CLKOUT            = IOMUX_PAD(0x0000, 0x0000, 1, __NA_, 0, VF610_ENET_PAD_CTRL),
@@ -103,6 +106,34 @@ enum {
        VF610_PAD_PTC27__NF_ALE                 = IOMUX_PAD(0x0190, 0x0190, 6, __NA_, 0, VF610_NFC_CN_PAD_CTRL),
 
        VF610_PAD_PTC28__NF_CLE                 = IOMUX_PAD(0x0194, 0x0194, 6, __NA_, 0, VF610_NFC_CN_PAD_CTRL),
+       VF610_PAD_PTE0__DCU0_HSYNC              = IOMUX_PAD(0x01a4, 0x01a4, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE1__DCU0_VSYNC              = IOMUX_PAD(0x01a8, 0x01a8, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE2__DCU0_PCLK               = IOMUX_PAD(0x01ac, 0x01ac, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE4__DCU0_DE                 = IOMUX_PAD(0x01b4, 0x01b4, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE5__DCU0_R0                 = IOMUX_PAD(0x01b8, 0x01b8, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE6__DCU0_R1                 = IOMUX_PAD(0x01bc, 0x01bc, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE7__DCU0_R2                 = IOMUX_PAD(0x01c0, 0x01c0, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE8__DCU0_R3                 = IOMUX_PAD(0x01c4, 0x01c4, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE9__DCU0_R4                 = IOMUX_PAD(0x01c8, 0x01c8, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE10__DCU0_R5                = IOMUX_PAD(0x01cc, 0x01cc, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE11__DCU0_R6                = IOMUX_PAD(0x01d0, 0x01d0, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE12__DCU0_R7                = IOMUX_PAD(0x01d4, 0x01d4, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE13__DCU0_G0                = IOMUX_PAD(0x01d8, 0x01d8, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE14__DCU0_G1                = IOMUX_PAD(0x01dc, 0x01dc, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE15__DCU0_G2                = IOMUX_PAD(0x01e0, 0x01e0, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE16__DCU0_G3                = IOMUX_PAD(0x01e4, 0x01e4, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE17__DCU0_G4                = IOMUX_PAD(0x01e8, 0x01e8, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE18__DCU0_G5                = IOMUX_PAD(0x01ec, 0x01ec, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE19__DCU0_G6                = IOMUX_PAD(0x01f0, 0x01f0, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE20__DCU0_G7                = IOMUX_PAD(0x01f4, 0x01f4, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE21__DCU0_B0                = IOMUX_PAD(0x01f8, 0x01f8, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE22__DCU0_B1                = IOMUX_PAD(0x01fc, 0x01fc, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE23__DCU0_B2                = IOMUX_PAD(0x0200, 0x0200, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE24__DCU0_B3                = IOMUX_PAD(0x0204, 0x0204, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE25__DCU0_B4                = IOMUX_PAD(0x0208, 0x0208, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE26__DCU0_B5                = IOMUX_PAD(0x020c, 0x020c, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE27__DCU0_B6                = IOMUX_PAD(0x0210, 0x0210, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
+       VF610_PAD_PTE28__DCU0_B7                = IOMUX_PAD(0x0214, 0x0214, 1, __NA_, 0, VF610_DCU_PAD_CTRL),
 
        VF610_PAD_DDR_RESETB                    = IOMUX_PAD(0x021c, 0x021c, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
        VF610_PAD_DDR_A15__DDR_A_15             = IOMUX_PAD(0x0220, 0x0220, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
index e0a49be4ff79de66abdb22e420a94b354a83e89f..5f161bb5f1976d5a7a177b078d18ee79575f8b98 100644 (file)
@@ -128,7 +128,10 @@ typedef u64 iomux_v3_cfg_t;
 #define PAD_CTL_SRE            (1 << 11)
 
 #define PAD_CTL_DSE_150ohm     (1 << 6)
+#define PAD_CTL_DSE_75ohm      (2 << 6)
 #define PAD_CTL_DSE_50ohm      (3 << 6)
+#define PAD_CTL_DSE_37ohm      (4 << 6)
+#define PAD_CTL_DSE_30ohm      (5 << 6)
 #define PAD_CTL_DSE_25ohm      (6 << 6)
 #define PAD_CTL_DSE_20ohm      (7 << 6)
 
index c7e5134ba1e5a6695d66c1947b6b5177c0189470..b5233b040edebc9966a3d44b2c1ad521e5b6924b 100644 (file)
@@ -5,3 +5,4 @@
 #
 
 obj-y  := colibri_vf.o
+obj-$(CONFIG_FSL_DCU_FB) += dcu.o
index 5158346f18a1108fec6aa1c245c66f778e8aee59..d9cc5fae5e86d102340494da9eda5b0059c59160 100644 (file)
@@ -149,6 +149,49 @@ static void setup_iomux_nfc(void)
 }
 #endif
 
+#ifdef CONFIG_FSL_DCU_FB
+static void setup_iomux_fsl_dcu(void)
+{
+       static const iomux_v3_cfg_t dcu0_pads[] = {
+               VF610_PAD_PTE0__DCU0_HSYNC,
+               VF610_PAD_PTE1__DCU0_VSYNC,
+               VF610_PAD_PTE2__DCU0_PCLK,
+               VF610_PAD_PTE4__DCU0_DE,
+               VF610_PAD_PTE5__DCU0_R0,
+               VF610_PAD_PTE6__DCU0_R1,
+               VF610_PAD_PTE7__DCU0_R2,
+               VF610_PAD_PTE8__DCU0_R3,
+               VF610_PAD_PTE9__DCU0_R4,
+               VF610_PAD_PTE10__DCU0_R5,
+               VF610_PAD_PTE11__DCU0_R6,
+               VF610_PAD_PTE12__DCU0_R7,
+               VF610_PAD_PTE13__DCU0_G0,
+               VF610_PAD_PTE14__DCU0_G1,
+               VF610_PAD_PTE15__DCU0_G2,
+               VF610_PAD_PTE16__DCU0_G3,
+               VF610_PAD_PTE17__DCU0_G4,
+               VF610_PAD_PTE18__DCU0_G5,
+               VF610_PAD_PTE19__DCU0_G6,
+               VF610_PAD_PTE20__DCU0_G7,
+               VF610_PAD_PTE21__DCU0_B0,
+               VF610_PAD_PTE22__DCU0_B1,
+               VF610_PAD_PTE23__DCU0_B2,
+               VF610_PAD_PTE24__DCU0_B3,
+               VF610_PAD_PTE25__DCU0_B4,
+               VF610_PAD_PTE26__DCU0_B5,
+               VF610_PAD_PTE27__DCU0_B6,
+               VF610_PAD_PTE28__DCU0_B7,
+       };
+
+       imx_iomux_v3_setup_multiple_pads(dcu0_pads, ARRAY_SIZE(dcu0_pads));
+}
+
+static void setup_tcon(void)
+{
+       setbits_le32(TCON0_BASE_ADDR, (1 << 29));
+}
+#endif
+
 #ifdef CONFIG_FSL_ESDHC
 struct fsl_esdhc_cfg esdhc_cfg[1] = {
        {ESDHC1_BASE_ADDR},
@@ -280,6 +323,17 @@ static void clock_init(void)
                        CCM_CSCDR3_NFC_PRE_DIV(5));
        clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK,
                        CCM_CSCMR2_RMII_CLK_SEL(2));
+
+#ifdef CONFIG_FSL_DCU_FB
+       setbits_le32(&ccm->ccgr1, CCM_CCGR1_TCON0_CTRL_MASK);
+
+       setbits_le32(&ccm->ccgr3, CCM_CCGR3_DCU0_CTRL_MASK);
+
+       clrbits_le32(&ccm->cscmr1, CCM_CSCMR1_DCU0_CLK_SEL);
+       clrsetbits_le32(&ccm->cscdr3,
+                       CCM_CSCDR3_DCU0_DIV_MASK | CCM_CSCDR3_DCU0_EN,
+                       CCM_CSCDR3_DCU0_DIV(0) | CCM_CSCDR3_DCU0_EN);
+#endif
 }
 
 static void mscm_init(void)
@@ -310,6 +364,10 @@ int board_early_init_f(void)
 #ifdef CONFIG_NAND_VF610_NFC
        setup_iomux_nfc();
 #endif
+#ifdef CONFIG_FSL_DCU_FB
+       setup_tcon();
+       setup_iomux_fsl_dcu();
+#endif
 
        return 0;
 }
diff --git a/board/toradex/colibri_vf/dcu.c b/board/toradex/colibri_vf/dcu.c
new file mode 100644 (file)
index 0000000..861b95c
--- /dev/null
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2015 Toradex AG
+ *
+ * FSL DCU platform driver
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <asm/arch/crm_regs.h>
+#include <common.h>
+#include <fsl_dcu_fb.h>
+#include "div64.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+unsigned int dcu_set_pixel_clock(unsigned int pixclock)
+{
+       unsigned long long div;
+
+       div = (unsigned long long)(PLL1_PFD2_FREQ / 1000);
+       do_div(div, pixclock);
+
+       return div;
+}
+
+int platform_dcu_init(unsigned int xres, unsigned int yres,
+                     const char *port,
+                     struct fb_videomode *dcu_fb_videomode)
+{
+       fsl_dcu_init(xres, yres, 32);
+
+       return 0;
+}
index d4cd38277669cf7495022ca51b87806c83e06093..badd7f504a795fa2e80ce1e346e96a810d5f72b4 100644 (file)
@@ -40,7 +40,7 @@
 #define DCU_VSYN_PARA_BP(x)            ((x) << 22)
 #define DCU_VSYN_PARA_PW(x)            ((x) << 11)
 #define DCU_VSYN_PARA_FP(x)            (x)
-#define DCU_SYN_POL_INV_PXCK_FALL      (0 << 6)
+#define DCU_SYN_POL_INV_PXCK_FALL      (1 << 6)
 #define DCU_SYN_POL_NEG_REMAIN         (0 << 5)
 #define DCU_SYN_POL_INV_VS_LOW         (1 << 1)
 #define DCU_SYN_POL_INV_HS_LOW         (1)
@@ -101,7 +101,7 @@ static struct fb_videomode fsl_dcu_mode_480_272 = {
 /*
  * This setting is used for Siliconimage SiI9022A HDMI
  */
-static struct fb_videomode fsl_dcu_mode_640_480 = {
+static struct fb_videomode fsl_dcu_cea_mode_640_480 = {
        .name           = "640x480-60",
        .refresh        = 60,
        .xres           = 640,
@@ -117,6 +117,22 @@ static struct fb_videomode fsl_dcu_mode_640_480 = {
        .vmode          = FB_VMODE_NONINTERLACED,
 };
 
+static struct fb_videomode fsl_dcu_mode_640_480 = {
+       .name           = "640x480-60",
+       .refresh        = 60,
+       .xres           = 640,
+       .yres           = 480,
+       .pixclock       = 25175,
+       .left_margin    = 40,
+       .right_margin   = 24,
+       .upper_margin   = 32,
+       .lower_margin   = 11,
+       .hsync_len      = 96,
+       .vsync_len      = 2,
+       .sync           = 0,
+       .vmode          = FB_VMODE_NONINTERLACED,
+};
+
 /*
  * DCU register map
  */
@@ -175,7 +191,7 @@ static void reset_total_layers(void)
        struct dcu_reg *regs = (struct dcu_reg *)CONFIG_SYS_DCU_ADDR;
        int i;
 
-       for (i = 0; i < DCU_LAYER_MAX_NUM; i++) {
+       for (i = 0; i < DCU_TOTAL_LAYER_NUM; i++) {
                dcu_write32(&regs->ctrldescl[i][0], 0);
                dcu_write32(&regs->ctrldescl[i][1], 0);
                dcu_write32(&regs->ctrldescl[i][2], 0);
@@ -185,8 +201,10 @@ static void reset_total_layers(void)
                dcu_write32(&regs->ctrldescl[i][6], 0);
                dcu_write32(&regs->ctrldescl[i][7], 0);
                dcu_write32(&regs->ctrldescl[i][8], 0);
+#ifdef CONFIG_LS102XA
                dcu_write32(&regs->ctrldescl[i][9], 0);
                dcu_write32(&regs->ctrldescl[i][10], 0);
+#endif
        }
 
        dcu_write32(&regs->update_mode, DCU_UPDATE_MODE_READREG);
@@ -327,7 +345,11 @@ void *video_hw_init(void)
                fsl_dcu_mode_db = &fsl_dcu_mode_480_272;
                break;
        case RESOLUTION(640, 480):
-               fsl_dcu_mode_db = &fsl_dcu_mode_640_480;
+               if (!strncmp(options, "monitor=hdmi", 12))
+                       fsl_dcu_mode_db = &fsl_dcu_cea_mode_640_480;
+               else
+                       fsl_dcu_mode_db = &fsl_dcu_mode_640_480;
+
                break;
        default:
                printf("unsupported resolution %ux%u\n",
index 982a4e5391bd62da9662733dc5c21e8284d0cc6e..007f09ebe34080899c9f8e3c01847ebcb2689d83 100644 (file)
 #define CONFIG_MXC_OCOTP
 #endif
 
+#define CONFIG_FSL_DCU_FB
+
+#ifdef CONFIG_FSL_DCU_FB
+#define CONFIG_VIDEO
+#define CONFIG_CMD_BMP
+#define CONFIG_CFB_CONSOLE
+#define CONFIG_VGA_AS_SINGLE_DEVICE
+#define CONFIG_SPLASH_SCREEN_ALIGN
+#define CONFIG_VIDEO_LOGO
+#define CONFIG_VIDEO_BMP_LOGO
+
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#define CONFIG_CONSOLE_MUX
+
+#define CONFIG_SYS_FSL_DCU_LE
+#define CONFIG_SYS_DCU_ADDR            DCU0_BASE_ADDR
+#define DCU_TOTAL_LAYER_NUM            64
+#define DCU_LAYER_MAX_NUM              6
+#endif
+
 /* Size of malloc() pool */
-#define CONFIG_SYS_MALLOC_LEN          (CONFIG_ENV_SIZE + 2 * 1024 * 1024)
+#define CONFIG_SYS_MALLOC_LEN          (CONFIG_ENV_SIZE + 4 * 1024 * 1024)
 
 #define CONFIG_BOARD_EARLY_INIT_F