On 06/07/2018 03:58, Adam Ford wrote:
> Since the vast majority of i.MX6 boards are migrating to SPL,
> this patch converts im6q_logic to SPL and enables the SDP for
> loading SPL and u-boot.img over USB. The Falcon mode only
> supports NAND flash as of now due to limited space/RAM, but
> all i.MX6D/Q SOM's from Logic PD have internal NAND from which
> to boot.
>
> Signed-off-by: Adam Ford <aford...@gmail.com>
>
> diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
> index 521fad74b5..524631b32c 100644
> --- a/arch/arm/mach-imx/mx6/Kconfig
> +++ b/arch/arm/mach-imx/mx6/Kconfig
> @@ -198,6 +198,8 @@ config TARGET_MX6CUBOXI
>
> config TARGET_MX6LOGICPD
> bool "Logic PD i.MX6 SOM"
> + select MX6Q
> + select SUPPORT_SPL
> select BOARD_EARLY_INIT_F
> select BOARD_LATE_INIT
> select DM
> @@ -206,7 +208,6 @@ config TARGET_MX6LOGICPD
> select DM_I2C
> select DM_MMC
> select DM_PMIC
> - select DM_REGULATOR
> select OF_CONTROL
>
> config TARGET_MX6MEMCAL
> diff --git a/board/logicpd/imx6/imx6logic.c b/board/logicpd/imx6/imx6logic.c
> index 84405635a5..ce1c8a5d6b 100644
> --- a/board/logicpd/imx6/imx6logic.c
> +++ b/board/logicpd/imx6/imx6logic.c
> @@ -182,3 +182,144 @@ int board_late_init(void)
>
> return 0;
> }
> +
> +#ifdef CONFIG_SPL_BUILD
> +#include <asm/arch/mx6-ddr.h>
> +#include <asm/arch/mx6q-ddr.h>
> +#include <spl.h>
> +#include <linux/libfdt.h>
> +
> +#ifdef CONFIG_SPL_OS_BOOT
> +int spl_start_uboot(void)
> +{
> + /* break into full u-boot on 'c' */
> + if (serial_tstc() && serial_getc() == 'c')
> + return 1;
> +
> + return 0;
> +}
> +#endif
> +
> +static void ccgr_init(void)
> +{
> + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
> +
> + writel(0x00C03F3F, &ccm->CCGR0);
> + writel(0x0030FC03, &ccm->CCGR1);
> + writel(0x0FFFC000, &ccm->CCGR2);
> + writel(0x3FF00000, &ccm->CCGR3);
> + writel(0xFFFFF300, &ccm->CCGR4);
> + writel(0x0F0000F3, &ccm->CCGR5);
> + writel(0x00000FFF, &ccm->CCGR6);
> +}
> +
> +static int mx6q_dcd_table[] = {
> + MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
> + MX6_IOM_GRP_DDRPKE, 0x00000000,
> + MX6_IOM_DRAM_SDCLK_0, 0x00000030,
> + MX6_IOM_DRAM_SDCLK_1, 0x00000030,
> + MX6_IOM_DRAM_CAS, 0x00000030,
> + MX6_IOM_DRAM_RAS, 0x00000030,
> + MX6_IOM_GRP_ADDDS, 0x00000030,
> + MX6_IOM_DRAM_RESET, 0x00000030,
> + MX6_IOM_DRAM_SDBA2, 0x00000000,
> + MX6_IOM_DRAM_SDODT0, 0x00000030,
> + MX6_IOM_DRAM_SDODT1, 0x00000030,
> + MX6_IOM_GRP_CTLDS, 0x00000030,
> + MX6_IOM_DDRMODE_CTL, 0x00020000,
> + MX6_IOM_DRAM_SDQS0, 0x00000030,
> + MX6_IOM_DRAM_SDQS1, 0x00000030,
> + MX6_IOM_DRAM_SDQS2, 0x00000030,
> + MX6_IOM_DRAM_SDQS3, 0x00000030,
> + MX6_IOM_GRP_DDRMODE, 0x00020000,
> + MX6_IOM_GRP_B0DS, 0x00000030,
> + MX6_IOM_GRP_B1DS, 0x00000030,
> + MX6_IOM_GRP_B2DS, 0x00000030,
> + MX6_IOM_GRP_B3DS, 0x00000030,
> + MX6_IOM_DRAM_DQM0, 0x00000030,
> + MX6_IOM_DRAM_DQM1, 0x00000030,
> + MX6_IOM_DRAM_DQM2, 0x00000030,
> + MX6_IOM_DRAM_DQM3, 0x00000030,
> + MX6_MMDC_P0_MDSCR, 0x00008000,
> + MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
> + MX6_MMDC_P0_MPWLDECTRL0, 0x002D003A,
> + MX6_MMDC_P0_MPWLDECTRL1, 0x0038002B,
> + MX6_MMDC_P0_MPDGCTRL0, 0x03340338,
> + MX6_MMDC_P0_MPDGCTRL1, 0x0334032C,
> + MX6_MMDC_P0_MPRDDLCTL, 0x4036383C,
> + MX6_MMDC_P0_MPWRDLCTL, 0x2E384038,
> + MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
> + MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
> + MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
> + MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
> + MX6_MMDC_P0_MPMUR0, 0x00000800,
> + MX6_MMDC_P0_MDPDC, 0x00020036,
> + MX6_MMDC_P0_MDOTC, 0x09444040,
> + MX6_MMDC_P0_MDCFG0, 0xB8BE7955,
> + MX6_MMDC_P0_MDCFG1, 0xFF328F64,
> + MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
> + MX6_MMDC_P0_MDMISC, 0x00011740,
> + MX6_MMDC_P0_MDSCR, 0x00008000,
> + MX6_MMDC_P0_MDRWD, 0x000026D2,
> + MX6_MMDC_P0_MDOR, 0x00BE1023,
> + MX6_MMDC_P0_MDASP, 0x00000047,
> + MX6_MMDC_P0_MDCTL, 0x85190000,
> + MX6_MMDC_P0_MDSCR, 0x00888032,
> + MX6_MMDC_P0_MDSCR, 0x00008033,
> + MX6_MMDC_P0_MDSCR, 0x00008031,
> + MX6_MMDC_P0_MDSCR, 0x19408030,
> + MX6_MMDC_P0_MDSCR, 0x04008040,
> + MX6_MMDC_P0_MDREF, 0x00007800,
> + MX6_MMDC_P0_MPODTCTRL, 0x00000007,
> + MX6_MMDC_P0_MDPDC, 0x00025576,
> + MX6_MMDC_P0_MAPSR, 0x00011006,
> + MX6_MMDC_P0_MDSCR, 0x00000000,
> + /* enable AXI cache for VDOA/VPU/IPU */
> +
> + MX6_IOMUXC_GPR4, 0xF00000CF,
> + /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
> + MX6_IOMUXC_GPR6, 0x007F007F,
> + MX6_IOMUXC_GPR7, 0x007F007F,
> +};
> +
> +static void ddr_init(int *table, int size)
> +{
> + int i;
> +
> + for (i = 0; i < size / 2 ; i++)
> + writel(table[2 * i + 1], table[2 * i]);
> +}
> +
> +static void spl_dram_init(void)
> +{
> + if (is_mx6dq())
> + ddr_init(mx6q_dcd_table, ARRAY_SIZE(mx6q_dcd_table));
> +}
> +
> +void board_init_f(ulong dummy)
> +{
> + /* DDR initialization */
> + spl_dram_init();
> +
> + /* setup AIPS and disable watchdog */
> + arch_cpu_init();
> +
> + ccgr_init();
> + gpr_init();
> +
> + /* iomux and setup of uart and NAND pins */
> + board_early_init_f();
> +
> + /* setup GP timer */
> + timer_init();
> +
> + /* UART clocks enabled and gd valid - init serial console */
> + preloader_console_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/board/logicpd/imx6/mx6q_2x_MT41K512M16HA.cfg
> b/board/logicpd/imx6/mx6q_2x_MT41K512M16HA.cfg
> deleted file mode 100644
> index 6d7e29d627..0000000000
> --- a/board/logicpd/imx6/mx6q_2x_MT41K512M16HA.cfg
> +++ /dev/null
> @@ -1,111 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0+ */
> -/*
> - * Copyright (C) 2017 Logic PD, Inc.
> - * Adam Ford <aford...@gmail.com>
> - *
> - * Refer doc/README.imximage for more details about how-to configure
> - * and create imximage boot image
> - *
> - * The syntax is taken as close as possible with the kwbimage
> - */
> -
> -#include <asm/mach-imx/imximage.cfg>
> -
> -/* image version */
> -IMAGE_VERSION 2
> -
> -BOOT_OFFSET FLASH_OFFSET_STANDARD
> -
> -/*
> - * Device Configuration Data (DCD)
> - *
> - * Each entry must have the format:
> - * Addr-type Address Value
> - *
> - * where:
> - * Addr-type register length (1,2 or 4 bytes)
> - * Address absolute address of the register
> - * value value to be stored in the register
> - */
> -
> -#define __ASSEMBLY__
> -#include <config.h>
> -#include "asm/arch-mx6/mx6-ddr.h"
> -#include "asm/arch-mx6/iomux.h"
> -#include "asm/arch-mx6/crm_regs.h"
> -
> -DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
> -DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
> -DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00000030
> -DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00000030
> -DATA 4, MX6_IOM_DRAM_CAS, 0x00000030
> -DATA 4, MX6_IOM_DRAM_RAS, 0x00000030
> -DATA 4, MX6_IOM_GRP_ADDDS, 0x00000030
> -DATA 4, MX6_IOM_DRAM_RESET, 0x00000030
> -DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000
> -DATA 4, MX6_IOM_DRAM_SDODT0, 0x00000030
> -DATA 4, MX6_IOM_DRAM_SDODT1, 0x00000030
> -DATA 4, MX6_IOM_GRP_CTLDS, 0x00000030
> -DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000
> -DATA 4, MX6_IOM_DRAM_SDQS0, 0x00000030
> -DATA 4, MX6_IOM_DRAM_SDQS1, 0x00000030
> -DATA 4, MX6_IOM_DRAM_SDQS2, 0x00000030
> -DATA 4, MX6_IOM_DRAM_SDQS3, 0x00000030
> -DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000
> -DATA 4, MX6_IOM_GRP_B0DS, 0x00000030
> -DATA 4, MX6_IOM_GRP_B1DS, 0x00000030
> -DATA 4, MX6_IOM_GRP_B2DS, 0x00000030
> -DATA 4, MX6_IOM_GRP_B3DS, 0x00000030
> -DATA 4, MX6_IOM_DRAM_DQM0, 0x00000030
> -DATA 4, MX6_IOM_DRAM_DQM1, 0x00000030
> -DATA 4, MX6_IOM_DRAM_DQM2, 0x00000030
> -DATA 4, MX6_IOM_DRAM_DQM3, 0x00000030
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x00008000
> -DATA 4, MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003
> -DATA 4, MX6_MMDC_P0_MPWLDECTRL0, 0x002D003A
> -DATA 4, MX6_MMDC_P0_MPWLDECTRL1, 0x0038002B
> -DATA 4, MX6_MMDC_P0_MPDGCTRL0, 0x03340338
> -DATA 4, MX6_MMDC_P0_MPDGCTRL1, 0x0334032C
> -DATA 4, MX6_MMDC_P0_MPRDDLCTL, 0x4036383C
> -DATA 4, MX6_MMDC_P0_MPWRDLCTL, 0x2E384038
> -DATA 4, MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333
> -DATA 4, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333
> -DATA 4, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333
> -DATA 4, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333
> -DATA 4, MX6_MMDC_P0_MPMUR0, 0x00000800
> -DATA 4, MX6_MMDC_P0_MDPDC, 0x00020036
> -DATA 4, MX6_MMDC_P0_MDOTC, 0x09444040
> -DATA 4, MX6_MMDC_P0_MDCFG0, 0xB8BE7955
> -DATA 4, MX6_MMDC_P0_MDCFG1, 0xFF328F64
> -DATA 4, MX6_MMDC_P0_MDCFG2, 0x01FF00DB
> -DATA 4, MX6_MMDC_P0_MDMISC, 0x00011740
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x00008000
> -DATA 4, MX6_MMDC_P0_MDRWD, 0x000026D2
> -DATA 4, MX6_MMDC_P0_MDOR, 0x00BE1023
> -DATA 4, MX6_MMDC_P0_MDASP, 0x00000047
> -DATA 4, MX6_MMDC_P0_MDCTL, 0x85190000
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x00888032
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x00008033
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x00008031
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x19408030
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x04008040
> -DATA 4, MX6_MMDC_P0_MDREF, 0x00007800
> -DATA 4, MX6_MMDC_P0_MPODTCTRL, 0x00000007
> -DATA 4, MX6_MMDC_P0_MDPDC, 0x00025576
> -DATA 4, MX6_MMDC_P0_MAPSR, 0x00011006
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x00000000
> -
> -/* set the default clock gate to save power */
> -DATA 4, CCM_CCGR0, 0x00C03F3F
> -DATA 4, CCM_CCGR1, 0x0030FC03
> -DATA 4, CCM_CCGR2, 0x0FFFC000
> -DATA 4, CCM_CCGR3, 0x3FF00000
> -DATA 4, CCM_CCGR4, 0xFFFFF300
> -DATA 4, CCM_CCGR5, 0x0F0000F3
> -DATA 4, CCM_CCGR6, 0x00000FFF
> -
> -/* enable AXI cache for VDOA/VPU/IPU */
> -DATA 4 MX6_IOMUXC_GPR4 0xF00000CF
> -/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
> -DATA 4 MX6_IOMUXC_GPR6 0x007F007F
> -DATA 4 MX6_IOMUXC_GPR7 0x007F007F
> diff --git a/configs/imx6q_logic_defconfig b/configs/imx6q_logic_defconfig
> index f0974bfa15..7d921cde05 100644
> --- a/configs/imx6q_logic_defconfig
> +++ b/configs/imx6q_logic_defconfig
> @@ -1,39 +1,74 @@
> CONFIG_ARM=y
> CONFIG_ARCH_MX6=y
> CONFIG_SYS_TEXT_BASE=0x17800000
> +CONFIG_SPL_GPIO_SUPPORT=y
> +CONFIG_SPL_LIBCOMMON_SUPPORT=y
> +CONFIG_SPL_LIBGENERIC_SUPPORT=y
> +CONFIG_SYS_MALLOC_F_LEN=0x2000
> CONFIG_TARGET_MX6LOGICPD=y
> +CONFIG_SPL_SERIAL_SUPPORT=y
> +CONFIG_SPL_SYS_MALLOC_F_LEN=0x400
> +CONFIG_SPL=y
> CONFIG_DEFAULT_DEVICE_TREE="imx6q-logicpd"
> CONFIG_DISTRO_DEFAULTS=y
> -CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/logicpd/imx6/mx6q_2x_MT41K512M16HA.cfg,MX6Q"
> +CONFIG_TPL_SYS_MALLOC_F_LEN=0x400
> +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg"
> CONFIG_BOOTDELAY=3
> # CONFIG_USE_BOOTCOMMAND is not set
> CONFIG_SYS_CONSOLE_IS_IN_ENV=y
> CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE=y
> +# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> +CONFIG_SPL_SEPARATE_BSS=y
> +CONFIG_SPL_DMA_SUPPORT=y
> +CONFIG_SPL_I2C_SUPPORT=y
> +CONFIG_SPL_NAND_SUPPORT=y
> +CONFIG_SPL_OS_BOOT=y
> +CONFIG_SPL_USB_HOST_SUPPORT=y
> +CONFIG_SPL_USB_GADGET_SUPPORT=y
> +CONFIG_SPL_USB_SDP_SUPPORT=y
> +CONFIG_SPL_WATCHDOG_SUPPORT=y
> CONFIG_SYS_PROMPT="i.MX6 Logic # "
> +CONFIG_CMD_SPL=y
> +CONFIG_CMD_SPL_WRITE_SIZE=0x20000
> CONFIG_CMD_MEMTEST=y
> # CONFIG_CMD_FLASH is not set
> CONFIG_CMD_GPIO=y
> CONFIG_CMD_I2C=y
> CONFIG_CMD_MMC=y
> CONFIG_CMD_NAND_TRIMFFS=y
> +CONFIG_CMD_USB=y
> +CONFIG_CMD_USB_SDP=y
> +CONFIG_CMD_USB_MASS_STORAGE=y
> CONFIG_CMD_CACHE=y
> +# CONFIG_CMD_LED is not set
> CONFIG_CMD_PMIC=y
> -CONFIG_CMD_REGULATOR=y
> CONFIG_CMD_EXT4_WRITE=y
> -CONFIG_CMD_MTDPARTS=y
> CONFIG_MTDIDS_DEFAULT="nand0=gpmi-nand"
> -CONFIG_MTDPARTS_DEFAULT="mtdparts=gpmi-nand:4m(uboot),1m(env),16m(kernel),1m(dtb),-(fs)"
> +CONFIG_MTDPARTS_DEFAULT="mtdparts=gpmi-nand:2m(spl),2m(uboot),1m(env),16m(kernel),1m(dtb),-(fs)"
> +CONFIG_CMD_UBI=y
> +CONFIG_SPL_OF_CONTROL=y
> CONFIG_ENV_IS_IN_NAND=y
> CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
> +CONFIG_SPL_DM=y
> +CONFIG_PCF8575_GPIO=y
> CONFIG_SYS_I2C_MXC=y
> +CONFIG_LED=y
> +CONFIG_LED_GPIO=y
> CONFIG_FSL_ESDHC=y
> CONFIG_NAND=y
> CONFIG_NAND_MXS=y
> CONFIG_PHYLIB=y
> -CONFIG_PHY_SMSC=y
> +CONFIG_PHY_ATHEROS=y
> CONFIG_FEC_MXC=y
> CONFIG_PINCTRL=y
> +CONFIG_SPL_PINCTRL=y
> CONFIG_PINCTRL_IMX6=y
> CONFIG_DM_PMIC_PFUZE100=y
> -CONFIG_DM_REGULATOR_PFUZE100=y
> CONFIG_MXC_UART=y
> +CONFIG_USB=y
> +CONFIG_USB_GADGET=y
> +CONFIG_USB_GADGET_MANUFACTURER="FSL"
> +CONFIG_USB_GADGET_VENDOR_NUM=0x0525
> +CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
> +CONFIG_CI_UDC=y
> +CONFIG_USB_GADGET_DOWNLOAD=y
> diff --git a/include/configs/imx6_logic.h b/include/configs/imx6_logic.h
> index 0226510b2e..40eb84cbbd 100644
> --- a/include/configs/imx6_logic.h
> +++ b/include/configs/imx6_logic.h
> @@ -11,6 +11,10 @@
> #define CONFIG_MXC_UART_BASE UART1_BASE
> #define CONSOLE_DEV "ttymxc0"
>
> +#ifdef CONFIG_SPL
> +#include "imx6_spl.h"
> +#endif
> +
> #include "mx6_common.h"
>
> /* Size of malloc() pool */
> @@ -132,7 +136,7 @@
> (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
>
> /* Environment organization */
> -#define CONFIG_ENV_SIZE (8 * 1024)
> +#define CONFIG_ENV_SIZE (1024 * 1024)
> #define CONFIG_ENV_OFFSET 0x400000
> #define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
>
> @@ -143,7 +147,7 @@
> #define CONFIG_SYS_NAND_ONFI_DETECTION
> #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
> #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x200000
> -
> +#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00500000
> /* MTD device */
> # define CONFIG_MTD_DEVICE
> # define CONFIG_MTD_PARTITIONS
> @@ -153,4 +157,22 @@
> /* EEPROM contains serial no, MAC addr and other Logic PD info */
> #define CONFIG_I2C_EEPROM
>
> +/* USB Configs */
> +#ifdef CONFIG_CMD_USB
> +#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
> +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
> +#define CONFIG_MXC_USB_FLAGS 0
> +#define CONFIG_USB_MAX_CONTROLLER_COUNT 1 /* Enabled USB controller
> number */
> +#endif
> +
> +/* Falcon Mode */
> +#define CONFIG_SPL_FS_LOAD_ARGS_NAME "args"
> +#define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage"
> +#define CONFIG_SYS_SPL_ARGS_ADDR 0x15000000
> +
> +/* Falcon Mode - MMC support: args@1MB kernel@2MB */
> +#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x800 /* 1MB */
> +#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS (CONFIG_CMD_SPL_WRITE_SIZE /
> 512)
> +#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x1000 /* 2MB */
> +
> #endif /* __IMX6LOGIC_CONFIG_H */
>
Applied to u-boot-imx, thanks !
Best regards,
Stefano Babic
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