[U-Boot] [PATCH v2 05/17] arm: imx: Add Engicam i.CoreM6 QDL Starter Kit initial support

Jagan Teki jagannadh.teki at gmail.com
Mon Sep 19 09:42:42 CEST 2016


On Mon, Sep 19, 2016 at 11:36 AM, Peng Fan <van.freenix at gmail.com> wrote:
> Hi Jagan,
> On Sat, Sep 17, 2016 at 02:18:37AM +0530, Jagan Teki wrote:
>>Boot Log for i.CoreM6 DualLite/Solo Starter Kit:
>>-----------------------------------------------
>>
>>U-Boot SPL 2016.09-rc2-30739-gd1fa290 (Sep 17 2016 - 00:37:46)
>>Trying to boot from MMC1
>>
>>U-Boot 2016.09-rc2-30739-gd1fa290 (Sep 17 2016 - 00:37:46 +0530)
>>
>>CPU:   Freescale i.MX6SOLO rev1.3 at 792MHz
>>CPU:   Industrial temperature grade (-40C to 105C) at 31C
>>Reset cause: POR
>>DRAM:  256 MiB
>>MMC:   FSL_SDHC: 0
>>*** Warning - bad CRC, using default environment
>>
>>In:    serial
>>Out:   serial
>>Err:   serial
>>Net:   CPU Net Initialization Failed
>>No ethernet found.
>>Hit any key to stop autoboot:  0
>>switch to partitions #0, OK
>>mmc0 is current device
>>switch to partitions #0, OK
>>mmc0 is current device
>>reading boot.scr
>>** Unable to read file boot.scr **
>>reading zImage
>>6741808 bytes read in 341 ms (18.9 MiB/s)
>>Booting from mmc ...
>>reading imx6dl-icore.dtb
>>30600 bytes read in 19 ms (1.5 MiB/s)
>>   Booting using the fdt blob at 0x18000000
>>   Using Device Tree in place at 18000000, end 1800a787
>>
>>Starting kernel ...
>>
>>[    0.000000] Booting Linux on physical CPU 0x0
>>
>>Boot Log for i.CoreM6 Quad/Dual Starter Kit:
>>--------------------------------------------
>>
>>U-Boot SPL 2016.09-rc2-30739-gd1fa290 (Sep 17 2016 - 00:37:46)
>>Trying to boot from MMC1
>>
>>U-Boot 2016.09-rc2-30739-gd1fa290 (Sep 17 2016 - 00:37:46 +0530)
>>
>>CPU:   Freescale i.MX6Q rev1.2 at 792MHz
>>CPU:   Industrial temperature grade (-40C to 105C) at 28C
>>Reset cause: POR
>>DRAM:  512 MiB
>>MMC:   FSL_SDHC: 0
>>*** Warning - bad CRC, using default environment
>>
>>In:    serial
>>Out:   serial
>>Err:   serial
>>Net:   CPU Net Initialization Failed
>>No ethernet found.
>>Hit any key to stop autoboot:  0
>>icorem6qdl>
>>
>>Cc: Peng Fan <peng.fan at nxp.com>
>>Cc: Stefano Babic <sbabic at denx.de>
>>Cc: Fabio Estevam <fabio.estevam at nxp.com>
>>Cc: Matteo Lisi <matteo.lisi at engicam.com>
>>Cc: Michael Trimarchi <michael at amarulasolutions.com>
>>Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
>>---
>> arch/arm/cpu/armv7/mx6/Kconfig    |   8 +
>> board/engicam/icorem6/Kconfig     |  12 ++
>> board/engicam/icorem6/MAINTAINERS |   6 +
>> board/engicam/icorem6/Makefile    |   6 +
>> board/engicam/icorem6/README      |  31 +++
>> board/engicam/icorem6/icorem6.c   | 400 ++++++++++++++++++++++++++++++++++++++
>> configs/imx6qdl_icore_defconfig   |  27 +++
>> include/configs/imx6qdl_icore.h   | 115 +++++++++++
>> 8 files changed, 605 insertions(+)
>> create mode 100644 board/engicam/icorem6/Kconfig
>> create mode 100644 board/engicam/icorem6/MAINTAINERS
>> create mode 100644 board/engicam/icorem6/Makefile
>> create mode 100644 board/engicam/icorem6/README
>> create mode 100644 board/engicam/icorem6/icorem6.c
>> create mode 100644 configs/imx6qdl_icore_defconfig
>> create mode 100644 include/configs/imx6qdl_icore.h
>>
>>diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
>>index d851b26..5d549bd 100644
>>--- a/arch/arm/cpu/armv7/mx6/Kconfig
>>+++ b/arch/arm/cpu/armv7/mx6/Kconfig
>>@@ -95,6 +95,13 @@ config TARGET_MX6CUBOXI
>> config TARGET_MX6QARM2
>>       bool "mx6qarm2"
>>
>>+config TARGET_MX6Q_ICORE
>>+      bool "Support Engicam i.Core"
>>+      select MX6QDL
>>+      select DM
>>+      select DM_THERMAL
>>+      select SUPPORT_SPL
>>+
>> config TARGET_MX6QSABREAUTO
>>       bool "mx6qsabreauto"
>>       select DM
>>@@ -225,6 +232,7 @@ source "board/compulab/cm_fx6/Kconfig"
>> source "board/congatec/cgtqmx6eval/Kconfig"
>> source "board/el/el6x/Kconfig"
>> source "board/embest/mx6boards/Kconfig"
>>+source "board/engicam/icorem6/Kconfig"
>> source "board/freescale/mx6qarm2/Kconfig"
>> source "board/freescale/mx6qsabreauto/Kconfig"
>> source "board/freescale/mx6sabresd/Kconfig"
>>diff --git a/board/engicam/icorem6/Kconfig b/board/engicam/icorem6/Kconfig
>>new file mode 100644
>>index 0000000..6d62f0e
>>--- /dev/null
>>+++ b/board/engicam/icorem6/Kconfig
>>@@ -0,0 +1,12 @@
>>+if TARGET_MX6Q_ICORE
>>+
>>+config SYS_BOARD
>>+      default "icorem6"
>>+
>>+config SYS_VENDOR
>>+      default "engicam"
>>+
>>+config SYS_CONFIG_NAME
>>+      default "imx6qdl_icore"
>>+
>>+endif
>>diff --git a/board/engicam/icorem6/MAINTAINERS b/board/engicam/icorem6/MAINTAINERS
>>new file mode 100644
>>index 0000000..3e06c6b
>>--- /dev/null
>>+++ b/board/engicam/icorem6/MAINTAINERS
>>@@ -0,0 +1,6 @@
>>+ICOREM6QDL BOARD
>>+M:    Jagan Teki <jagan at amarulasolutions.com>
>>+S:    Maintained
>>+F:    board/engicam/icorem6
>>+F:    include/configs/icorem6qdl.h
>>+F:    configs/icorem6qdl_defconfig
>>diff --git a/board/engicam/icorem6/Makefile b/board/engicam/icorem6/Makefile
>>new file mode 100644
>>index 0000000..9ec9ecd
>>--- /dev/null
>>+++ b/board/engicam/icorem6/Makefile
>>@@ -0,0 +1,6 @@
>>+# Copyright (C) 2016 Amarula Solutions B.V.
>>+#
>>+# SPDX-License-Identifier:    GPL-2.0+
>>+#
>>+
>>+obj-y  := icorem6.o
>>diff --git a/board/engicam/icorem6/README b/board/engicam/icorem6/README
>>new file mode 100644
>>index 0000000..e493d9c
>>--- /dev/null
>>+++ b/board/engicam/icorem6/README
>>@@ -0,0 +1,31 @@
>>+How to use U-Boot on Engicam i.CoreM6 DualLite/Solo and Quad/Dual Starter Kit:
>>+-----------------------------------------------------------------------------
>>+
>>+- Build U-Boot for Engicam i.CoreM6 QDL:
>>+
>>+$ make mrproper
>>+$ make icorem6qdl_defconfig
>>+$ make
>>+
>>+This will generate the SPL image called SPL and the u-boot.img.
>>+
>>+- Flash the SPL image into the micro SD card:
>>+
>>+sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync
>>+
>>+- Flash the u-boot.img image into the micro SD card:
>>+
>>+sudo dd if=u-boot.img of=/dev/mmcblk0 bs=1k seek=69; sync
>>+
>>+- Jumper settings:
>>+
>>+MMC Boot: JM3 Closed
>>+
>>+- Connect the Serial cable between the Starter Kit and the PC for the console.
>>+(J28 is the Linux Serial console connector)
>>+
>>+- Insert the micro SD card in the board, power it up and U-Boot messages should
>>+come up.
>>+
>>+- Note: For loading Linux on Quad/Dual modules set the dtb as
>>+  icorem6qdl> setenv fdt_file imx6q-icore.dtb
>>diff --git a/board/engicam/icorem6/icorem6.c b/board/engicam/icorem6/icorem6.c
>>new file mode 100644
>>index 0000000..b0595ef
>>--- /dev/null
>>+++ b/board/engicam/icorem6/icorem6.c
>>@@ -0,0 +1,400 @@
>>+/*
>>+ * Copyright (C) 2016 Amarula Solutions B.V.
>>+ * Copyright (C) 2016 Engicam S.r.l.
>>+ * Author: Jagan Teki <jagan at amarulasolutions.com>
>>+ *
>>+ * SPDX-License-Identifier:   GPL-2.0+
>>+ */
>>+
>>+#include <common.h>
>>+#include <fsl_esdhc.h>
>>+#include <mmc.h>
>>+
>>+#include <asm/io.h>
>>+#include <asm/gpio.h>
>>+#include <linux/sizes.h>
>>+
>>+#include <asm/arch/clock.h>
>>+#include <asm/arch/iomux.h>
>>+#include <asm/arch/mx6-pins.h>
>>+#include <asm/arch/sys_proto.h>
>>+#include <asm/imx-common/iomux-v3.h>
>>+
>>+DECLARE_GLOBAL_DATA_PTR;
>>+
>>+#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |           \
>>+      PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
>>+      PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
>>+
>>+#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |             \
>>+      PAD_CTL_PUS_22K_UP  | PAD_CTL_SPEED_LOW |               \
>>+      PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
>>+
>>+static iomux_v3_cfg_t const uart4_pads[] = {
>>+      IOMUX_PADS(PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
>>+      IOMUX_PADS(PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
>>+};
>>+
>>+static iomux_v3_cfg_t const usdhc1_pads[] = {
>>+      IOMUX_PADS(PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
>>+      IOMUX_PADS(PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
>>+      IOMUX_PADS(PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
>>+      IOMUX_PADS(PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
>>+      IOMUX_PADS(PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
>>+      IOMUX_PADS(PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
>>+      IOMUX_PADS(PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL)),/* CD */
>>+};
>>+
>>+#ifdef CONFIG_FSL_ESDHC
>>+#define USDHC1_CD_GPIO        IMX_GPIO_NR(1, 1)
>>+
>>+struct fsl_esdhc_cfg usdhc_cfg[1] = {
>>+      {USDHC1_BASE_ADDR, 0, 4},
>>+};
>>+
>>+int board_mmc_getcd(struct mmc *mmc)
>>+{
>>+      struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
>>+      int ret = 0;
>>+
>>+      switch (cfg->esdhc_base) {
>>+      case USDHC1_BASE_ADDR:
>>+              ret = !gpio_get_value(USDHC1_CD_GPIO);
>>+              break;
>>+      }
>>+
>>+      return ret;
>>+}
>>+
>>+int board_mmc_init(bd_t *bis)
>>+{
>>+      int i, ret;
>>+
>>+      /*
>>+      * According to the board_mmc_init() the following map is done:
>>+      * (U-boot device node)    (Physical Port)
>>+      * mmc0                          USDHC1
>>+      */
>>+      for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
>>+              switch (i) {
>>+              case 0:
>>+                      SETUP_IOMUX_PADS(usdhc1_pads);
>>+                      gpio_direction_input(USDHC1_CD_GPIO);
>>+                      usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
>>+                      break;
>>+              default:
>>+                      printf("Warning - USDHC%d controller not supporting\n",
>>+                             i + 1);
>>+                      return 0;
>>+              }
>>+
>>+              ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
>>+              if (ret) {
>>+                      printf("Warning: failed to initialize mmc dev %d\n", i);
>>+                      return ret;
>>+              }
>>+      }
>>+
>>+      return 0;
>>+}
>>+#endif
>>+
>>+int board_early_init_f(void)
>>+{
>>+      SETUP_IOMUX_PADS(uart4_pads);
>>+
>>+      return 0;
>>+}
>>+
>>+int board_init(void)
>>+{
>>+      /* Address of boot parameters */
>>+      gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
>>+
>>+      return 0;
>>+}
>>+
>>+int dram_init(void)
>>+{
>>+      gd->ram_size = imx_ddr_size();
>>+
>>+      return 0;
>>+}
>>+
>>+#ifdef CONFIG_SPL_BUILD
>>+#include <libfdt.h>
>>+#include <spl.h>
>>+
>>+#include <asm/arch/crm_regs.h>
>>+#include <asm/arch/mx6-ddr.h>
>>+
>>+/*
>>+ * Driving strength:
>>+ *   0x30 == 40 Ohm
>>+ *   0x28 == 48 Ohm
>>+ */
>>+
>>+#define IMX6DQ_DRIVE_STRENGTH         0x30
>>+#define IMX6SDL_DRIVE_STRENGTH                0x28
>>+
>>+/* configure MX6Q/DUAL mmdc DDR io registers */
>>+static struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = {
>>+      .dram_sdqs0 = 0x28,
>>+      .dram_sdqs1 = 0x28,
>>+      .dram_sdqs2 = 0x28,
>>+      .dram_sdqs3 = 0x28,
>>+      .dram_sdqs4 = 0x28,
>>+      .dram_sdqs5 = 0x28,
>>+      .dram_sdqs6 = 0x28,
>>+      .dram_sdqs7 = 0x28,
>>+      .dram_dqm0 = 0x28,
>>+      .dram_dqm1 = 0x28,
>>+      .dram_dqm2 = 0x28,
>>+      .dram_dqm3 = 0x28,
>>+      .dram_dqm4 = 0x28,
>>+      .dram_dqm5 = 0x28,
>>+      .dram_dqm6 = 0x28,
>>+      .dram_dqm7 = 0x28,
>>+      .dram_cas = 0x30,
>>+      .dram_ras = 0x30,
>>+      .dram_sdclk_0 = 0x30,
>>+      .dram_sdclk_1 = 0x30,
>>+      .dram_reset = 0x30,
>>+      .dram_sdcke0 = 0x3000,
>>+      .dram_sdcke1 = 0x3000,
>>+      .dram_sdba2 = 0x00000000,
>>+      .dram_sdodt0 = 0x30,
>>+      .dram_sdodt1 = 0x30,
>>+};
>>+
>>+/* configure MX6Q/DUAL mmdc GRP io registers */
>>+static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = {
>>+      .grp_b0ds = 0x30,
>>+      .grp_b1ds = 0x30,
>>+      .grp_b2ds = 0x30,
>>+      .grp_b3ds = 0x30,
>>+      .grp_b4ds = 0x30,
>>+      .grp_b5ds = 0x30,
>>+      .grp_b6ds = 0x30,
>>+      .grp_b7ds = 0x30,
>>+      .grp_addds = 0x30,
>>+      .grp_ddrmode_ctl = 0x00020000,
>>+      .grp_ddrpke = 0x00000000,
>>+      .grp_ddrmode = 0x00020000,
>>+      .grp_ctlds = 0x30,
>>+      .grp_ddr_type = 0x000c0000,
>>+};
>>+
>>+/* configure MX6SOLO/DUALLITE mmdc DDR io registers */
>>+struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = {
>>+      .dram_sdclk_0 = 0x30,
>>+      .dram_sdclk_1 = 0x30,
>>+      .dram_cas = 0x30,
>>+      .dram_ras = 0x30,
>>+      .dram_reset = 0x30,
>>+      .dram_sdcke0 = 0x30,
>>+      .dram_sdcke1 = 0x30,
>>+      .dram_sdba2 = 0x00000000,
>>+      .dram_sdodt0 = 0x30,
>>+      .dram_sdodt1 = 0x30,
>>+      .dram_sdqs0 = 0x28,
>>+      .dram_sdqs1 = 0x28,
>>+      .dram_sdqs2 = 0x28,
>>+      .dram_sdqs3 = 0x28,
>>+      .dram_sdqs4 = 0x28,
>>+      .dram_sdqs5 = 0x28,
>>+      .dram_sdqs6 = 0x28,
>>+      .dram_sdqs7 = 0x28,
>>+      .dram_dqm0 = 0x28,
>>+      .dram_dqm1 = 0x28,
>>+      .dram_dqm2 = 0x28,
>>+      .dram_dqm3 = 0x28,
>>+      .dram_dqm4 = 0x28,
>>+      .dram_dqm5 = 0x28,
>>+      .dram_dqm6 = 0x28,
>>+      .dram_dqm7 = 0x28,
>>+};
>>+
>>+/* configure MX6SOLO/DUALLITE mmdc GRP io registers */
>>+struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = {
>>+      .grp_ddr_type = 0x000c0000,
>>+      .grp_ddrmode_ctl = 0x00020000,
>>+      .grp_ddrpke = 0x00000000,
>>+      .grp_addds = 0x30,
>>+      .grp_ctlds = 0x30,
>>+      .grp_ddrmode = 0x00020000,
>>+      .grp_b0ds = 0x28,
>>+      .grp_b1ds = 0x28,
>>+      .grp_b2ds = 0x28,
>>+      .grp_b3ds = 0x28,
>>+      .grp_b4ds = 0x28,
>>+      .grp_b5ds = 0x28,
>>+      .grp_b6ds = 0x28,
>>+      .grp_b7ds = 0x28,
>>+};
>>+
>>+/* mt41j256 */
>>+static struct mx6_ddr3_cfg mt41j256 = {
>>+      .mem_speed = 1066,
>>+      .density = 2,
>>+      .width = 16,
>>+      .banks = 8,
>>+      .rowaddr = 13,
>>+      .coladdr = 10,
>>+      .pagesz = 2,
>>+      .trcd = 1375,
>>+      .trcmin = 4875,
>>+      .trasmin = 3500,
>>+      .SRT = 0,
>>+};
>>+
>>+static struct mx6_mmdc_calibration mx6dq_mmdc_calib = {
>>+      .p0_mpwldectrl0 = 0x000E0009,
>>+      .p0_mpwldectrl1 = 0x0018000E,
>>+      .p1_mpwldectrl0 = 0x00000007,
>>+      .p1_mpwldectrl1 = 0x00000000,
>>+      .p0_mpdgctrl0 = 0x43280334,
>>+      .p0_mpdgctrl1 = 0x031C0314,
>>+      .p1_mpdgctrl0 = 0x4318031C,
>>+      .p1_mpdgctrl1 = 0x030C0258,
>>+      .p0_mprddlctl = 0x3E343A40,
>>+      .p1_mprddlctl = 0x383C3844,
>>+      .p0_mpwrdlctl = 0x40404440,
>>+      .p1_mpwrdlctl = 0x4C3E4446,
>>+};
>>+
>>+/* DDR 64bit */
>>+static struct mx6_ddr_sysinfo mem_q = {
>>+      .ddr_type       = DDR_TYPE_DDR3,
>>+      .dsize          = 2,
>>+      .cs1_mirror     = 0,
>>+      /* config for full 4GB range so that get_mem_size() works */
>>+      .cs_density     = 32,
>>+      .ncs            = 1,
>>+      .bi_on          = 1,
>>+      .rtt_nom        = 2,
>>+      .rtt_wr         = 2,
>>+      .ralat          = 5,
>>+      .walat          = 0,
>>+      .mif3_mode      = 3,
>>+      .rst_to_cke     = 0x23,
>>+      .sde_to_rst     = 0x10,
>>+};
>>+
>>+static struct mx6_mmdc_calibration mx6dl_mmdc_calib = {
>>+      .p0_mpwldectrl0 = 0x001F0024,
>>+      .p0_mpwldectrl1 = 0x00110018,
>>+      .p1_mpwldectrl0 = 0x001F0024,
>>+      .p1_mpwldectrl1 = 0x00110018,
>>+      .p0_mpdgctrl0 = 0x4230022C,
>>+      .p0_mpdgctrl1 = 0x02180220,
>>+      .p1_mpdgctrl0 = 0x42440248,
>>+      .p1_mpdgctrl1 = 0x02300238,
>>+      .p0_mprddlctl = 0x44444A48,
>>+      .p1_mprddlctl = 0x46484A42,
>>+      .p0_mpwrdlctl = 0x38383234,
>>+      .p1_mpwrdlctl = 0x3C34362E,
>>+};
>>+
>>+/* DDR 64bit 1GB */
>>+static struct mx6_ddr_sysinfo mem_dl = {
>>+      .dsize          = 2,
>>+      .cs1_mirror     = 0,
>>+      /* config for full 4GB range so that get_mem_size() works */
>>+      .cs_density     = 32,
>>+      .ncs            = 1,
>>+      .bi_on          = 1,
>>+      .rtt_nom        = 1,
>>+      .rtt_wr         = 1,
>>+      .ralat          = 5,
>>+      .walat          = 0,
>>+      .mif3_mode      = 3,
>>+      .rst_to_cke     = 0x23,
>>+      .sde_to_rst     = 0x10,
>>+};
>>+
>>+/* DDR 32bit 512MB */
>>+static struct mx6_ddr_sysinfo mem_s = {
>>+      .dsize          = 1,
>>+      .cs1_mirror     = 0,
>>+      /* config for full 4GB range so that get_mem_size() works */
>>+      .cs_density     = 32,
>>+      .ncs            = 1,
>>+      .bi_on          = 1,
>>+      .rtt_nom        = 1,
>>+      .rtt_wr         = 1,
>>+      .ralat          = 5,
>>+      .walat          = 0,
>>+      .mif3_mode      = 3,
>>+      .rst_to_cke     = 0x23,
>>+      .sde_to_rst     = 0x10,
>>+};
>>+
>>+static void ccgr_init(void)
>>+{
>>+      struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
>>+
>>+      writel(0x00003F3F, &ccm->CCGR0);
>>+      writel(0x0030FC00, &ccm->CCGR1);
>>+      writel(0x000FC000, &ccm->CCGR2);
>>+      writel(0x3F300000, &ccm->CCGR3);
>>+      writel(0xFF00F300, &ccm->CCGR4);
>>+      writel(0x0F0000C3, &ccm->CCGR5);
>>+      writel(0x000003CC, &ccm->CCGR6);
>>+}
>>+
>>+static void gpr_init(void)
>>+{
>>+      struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
>>+
>>+      /* enable AXI cache for VDOA/VPU/IPU */
>>+      writel(0xF00000CF, &iomux->gpr[4]);
>>+      /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
>>+      writel(0x007F007F, &iomux->gpr[6]);
>>+      writel(0x007F007F, &iomux->gpr[7]);
>>+}
>>+
>>+static void spl_dram_init(void)
>>+{
>>+      if (is_cpu_type(MXC_CPU_MX6SOLO)) {
>>+              mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
>>+              mx6_dram_cfg(&mem_s, &mx6dl_mmdc_calib, &mt41j256);
>>+      } else if (is_cpu_type(MXC_CPU_MX6DL)) {
>>+              mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
>>+              mx6_dram_cfg(&mem_dl, &mx6dl_mmdc_calib, &mt41j256);
>
> Different ddr configuration for solo and duallite?

Yes, since we have differ width and sysinfo

>
>>+      } else if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D)) {
>>+              mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs);
>>+              mx6_dram_cfg(&mem_q, &mx6dq_mmdc_calib, &mt41j256);
>
> We have simplier macros such as is_mx6dq(), but no is_mx6solo() or is_mx6dl()
> You could use simpler macros.

Yeah, will add the simple macro's

>
>>+      }
>>+
>>+      udelay(100);
>>+}
>>+
>>+void board_init_f(ulong dummy)
>>+{
>>+      ccgr_init();
>>+
>>+      /* setup AIPS and disable watchdog */
>>+      arch_cpu_init();
>>+
>>+      gpr_init();
>>+
>>+      /* iomux */
>>+      board_early_init_f();
>>+
>>+      /* setup GP timer */
>>+      timer_init();
>>+
>>+      /* UART clocks enabled and gd valid - init serial console */
>>+      preloader_console_init();
>>+
>>+      /* DDR initialization */
>>+      spl_dram_init();
>>+
>>+      /* Clear the BSS. */
>>+      memset(__bss_start, 0, __bss_end - __bss_start);
>>+
>>+      /* load/boot image from boot device */
>>+      board_init_r(NULL, 0);
>>+}
>>+#endif
>>diff --git a/configs/imx6qdl_icore_defconfig b/configs/imx6qdl_icore_defconfig
>>new file mode 100644
>>index 0000000..a658f4b
>>--- /dev/null
>>+++ b/configs/imx6qdl_icore_defconfig
>>@@ -0,0 +1,27 @@
>>+CONFIG_ARM=y
>>+CONFIG_ARCH_MX6=y
>>+CONFIG_TARGET_MX6Q_ICORE=y
>>+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,ENV_IS_IN_MMC"
>>+CONFIG_DEFAULT_FDT_FILE="imx6dl-icore.dtb"
>>+CONFIG_SYS_PROMPT="icorem6qdl> "
>>+CONFIG_SPL=y
>>+CONFIG_BOOTDELAY=3
>>+CONFIG_BOARD_EARLY_INIT_F=y
>>+CONFIG_DISPLAY_CPUINFO=y
>>+CONFIG_HUSH_PARSER=y
>>+CONFIG_AUTO_COMPLETE=y
>>+CONFIG_SYS_MAXARGS=32
>>+# CONFIG_CMD_IMLS is not set
>>+CONFIG_CMD_BOOTZ=y
>>+CONFIG_CMD_GPIO=y
>>+CONFIG_CMD_MEMTEST=y
>>+CONFIG_CMD_MMC=y
>>+CONFIG_CMD_CACHE=y
>>+CONFIG_CMD_EXT2=y
>>+CONFIG_CMD_EXT4=y
>>+CONFIG_CMD_EXT4_WRITE=y
>>+CONFIG_CMD_FAT=y
>>+CONFIG_CMD_FS_GENERIC=y
>>+CONFIG_OF_LIBFDT=y
>>+CONFIG_MXC_UART=y
>>+CONFIG_IMX_THERMAL=y
>>diff --git a/include/configs/imx6qdl_icore.h b/include/configs/imx6qdl_icore.h
>>new file mode 100644
>>index 0000000..e12e772
>>--- /dev/null
>>+++ b/include/configs/imx6qdl_icore.h
>>@@ -0,0 +1,115 @@
>>+/*
>>+ * Copyright (C) 2016 Amarula Solutions B.V.
>>+ * Copyright (C) 2016 Engicam S.r.l.
>>+ *
>>+ * Configuration settings for the Engicam i.CoreM6 QDL Starter Kits.
>>+ *
>>+ * SPDX-License-Identifier:   GPL-2.0+
>>+ */
>>+
>>+#ifndef __IMX6QLD_ICORE_CONFIG_H
>>+#define __IMX6QLD_ICORE_CONFIG_H
>>+
>>+#include <linux/sizes.h>
>>+#include "mx6_common.h"
>>+
>>+#define CONFIG_SYS_NO_FLASH
>>+#define CONFIG_MXC_UART_BASE          UART4_BASE
>>+
>>+/* MMC */
>>+#define CONFIG_SYS_MMC_IMG_LOAD_PART  1
>>+#define CONFIG_SYS_FSL_USDHC_NUM        1
>>+#define CONFIG_SYS_FSL_ESDHC_ADDR     USDHC2_BASE_ADDR
>>+
>>+#if defined(CONFIG_ENV_IS_IN_MMC)
>>+#define CONFIG_ENV_OFFSET               (16 * 64 * 1024)
>>+#define CONFIG_SYS_MMC_ENV_DEV          0
>>+#define CONFIG_SYS_MMC_ENV_PART         0
>>+#define CONFIG_MMCROOT                        "/dev/mmcblk0p2"
>>+#endif
>>+
>>+#define CONFIG_ENV_SIZE                       SZ_8K
>>+#define CONFIG_EXTRA_ENV_SETTINGS \
>>+      "script=boot.scr\0" \
>>+      "image=zImage\0" \
>>+      "console=ttymxc3\0" \
>>+      "fdt_high=0xffffffff\0" \
>>+      "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
>>+      "fdt_addr=0x18000000\0" \
>>+      "boot_fdt=try\0" \
>>+      "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
>>+      "mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
>>+      "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
>>+      "mmcautodetect=yes\0" \
>>+      "mmcargs=setenv bootargs console=${console},${baudrate} " \
>>+              "root=${mmcroot}\0" \
>>+      "loadbootscript=" \
>>+              "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
>>+      "bootscript=echo Running bootscript from mmc ...; " \
>>+              "source\0" \
>>+      "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
>>+      "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
>>+      "mmcboot=echo Booting from mmc ...; " \
>>+              "run mmcargs; " \
>>+              "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
>>+                      "if run loadfdt; then " \
>>+                              "bootz ${loadaddr} - ${fdt_addr}; " \
>>+                      "else " \
>>+                              "if test ${boot_fdt} = try; then " \
>>+                                      "bootz; " \
>>+                              "else " \
>>+                                      "echo WARN: Cannot load the DT; " \
>>+                              "fi; " \
>>+                      "fi; " \
>>+              "else " \
>>+                      "bootz; " \
>>+              "fi\0"
>>+
>>+#define CONFIG_BOOTCOMMAND \
>>+         "mmc dev ${mmcdev};" \
>>+         "mmc dev ${mmcdev}; if mmc rescan; then " \
>>+                 "if run loadbootscript; then " \
>>+                         "run bootscript; " \
>>+                 "else " \
>>+                      "if run loadimage; then " \
>>+                              "run mmcboot; " \
>>+                      "fi; " \
>>+                 "fi; " \
>>+         "fi"
>>+
>>+/* Miscellaneous configurable options */
>>+#define CONFIG_SYS_MEMTEST_START      0x80000000
>>+#define CONFIG_SYS_MEMTEST_END                (CONFIG_SYS_MEMTEST_START + 0x8000000)
>>+
>>+#define CONFIG_SYS_LOAD_ADDR          CONFIG_LOADADDR
>>+#define CONFIG_SYS_HZ                 1000
>>+
>>+/* Size of malloc() pool */
>>+#define CONFIG_SYS_MALLOC_LEN         (16 * SZ_1M)
>>+#define CONFIG_STACKSIZE              SZ_128K
>>+
>>+/* Physical Memory Map */
>>+#define CONFIG_NR_DRAM_BANKS          1
>>+#define PHYS_SDRAM                    MMDC0_ARB_BASE_ADDR
>>+
>>+#define CONFIG_SYS_SDRAM_BASE         PHYS_SDRAM
>>+#define CONFIG_SYS_INIT_RAM_ADDR      IRAM_BASE_ADDR
>>+#define CONFIG_SYS_INIT_RAM_SIZE      IRAM_SIZE
>>+
>>+#define CONFIG_SYS_INIT_SP_OFFSET     (CONFIG_SYS_INIT_RAM_SIZE - \
>>+                                      GENERATED_GBL_DATA_SIZE)
>>+#define CONFIG_SYS_INIT_SP_ADDR               (CONFIG_SYS_INIT_RAM_ADDR + \
>>+                                      CONFIG_SYS_INIT_SP_OFFSET)
>>+
>>+/* SPL */
>>+#ifdef CONFIG_SPL
>>+#define CONFIG_SPL_LIBCOMMON_SUPPORT
>>+#ifdef CONFIG_SYS_BOOT_NAND
>>+#define CONFIG_SPL_NAND_SUPPORT
>>+#else
>>+#define CONFIG_SPL_MMC_SUPPORT
>>+#endif
>>+#include "imx6_spl.h"
>>+#endif
>>+
>>+#endif /* __IMX6QLD_ICORE_CONFIG_H */
>
> If the upper ddr configuration is intended for solo and duallite, then
>
> Acked-by: Peng Fan <peng.fan at nxp.com>

thanks!
-- 
Jagan Teki
Free Software Engineer | www.openedev.com
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.


More information about the U-Boot mailing list