[U-Boot] [PATCH] udoo: Switch to SPL support

[Stefano Babic <sbabic@denx.de>]

Hi Peter,


On 03/08/2015 12:49, vpeter4 wrote:
> Currently we need to build one U-boot image for each of the udoo
> variants: quad and dual-lite.
> 
> By switching to SPL we can support all two variants with a single binary.
> 
> Based on the SPL for wandboard.
> 
> Tested with OpenELEC (Open Embedded Linux Entertainment Center)
> on both boards.
> 
> Signed-off-by: vpeter4 <peter.vicman@gmail.com>
> Cc: Fabio Estevam <fabio.estevam@gmail.com>
> Cc: Stefano Babic <sbabic@denx.de>


Great !

I do not see issue, good job !

> ---
>  arch/arm/Kconfig                 |   1 +
>  board/udoo/1066mhz_4x256mx16.cfg |  55 --------
>  board/udoo/MAINTAINERS           |   2 +-
>  board/udoo/Makefile              |   2 +-
>  board/udoo/clocks.cfg            |  32 -----
>  board/udoo/ddr-setup.cfg         |  87 -------------
>  board/udoo/udoo.c                |  95 ++++++++------
>  board/udoo/udoo.cfg              |  29 -----
>  board/udoo/udoo_spl.c            | 271 +++++++++++++++++++++++++++++++++++++++
>  configs/udoo_defconfig           |   6 +
>  configs/udoo_quad_defconfig      |   5 -
>  include/configs/udoo.h           |  19 ++-
>  12 files changed, 351 insertions(+), 253 deletions(-)
>  delete mode 100644 board/udoo/1066mhz_4x256mx16.cfg
>  delete mode 100644 board/udoo/clocks.cfg
>  delete mode 100644 board/udoo/ddr-setup.cfg
>  delete mode 100644 board/udoo/udoo.cfg
>  create mode 100644 board/udoo/udoo_spl.c
>  create mode 100644 configs/udoo_defconfig
>  delete mode 100644 configs/udoo_quad_defconfig
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 9127ace..a485b01 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -511,6 +511,7 @@ config TARGET_VISION2
>  config TARGET_UDOO
>  	bool "Support udoo"
>  	select CPU_V7
> +	select SUPPORT_SPL
>  
>  config TARGET_WANDBOARD
>  	bool "Support wandboard"
> diff --git a/board/udoo/1066mhz_4x256mx16.cfg b/board/udoo/1066mhz_4x256mx16.cfg
> deleted file mode 100644
> index 1ac0aec..0000000
> --- a/board/udoo/1066mhz_4x256mx16.cfg
> +++ /dev/null
> @@ -1,55 +0,0 @@
> -/*
> - * Copyright (C) 2013 Boundary Devices
> - *
> - * SPDX-License-Identifier:	GPL-2.0+
> - */
> -
> -DATA 4, MX6_MMDC_P0_MDPDC, 0x00020036
> -DATA 4, MX6_MMDC_P0_MDOTC, 0x09444040
> -
> -DATA 4, MX6_MMDC_P0_MDCFG0, 0x54597955
> -DATA 4, MX6_MMDC_P0_MDCFG1, 0xFF328F64
> -DATA 4, MX6_MMDC_P0_MDCFG2, 0x01FF00DB
> -
> -DATA 4, MX6_MMDC_P0_MDMISC, 0x00001740
> -DATA 4, MX6_MMDC_P0_MDSCR,  0x00008000
> -DATA 4, MX6_MMDC_P0_MDRWD,  0x000026D2
> -
> -DATA 4, MX6_MMDC_P0_MDOR,  0x00591023
> -DATA 4, MX6_MMDC_P0_MDASP, 0x00000027
> -DATA 4, MX6_MMDC_P0_MDCTL, 0x831A0000
> -
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x04088032
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x00008033
> -
> -DATA 4, MX6_MMDC_P0_MDSCR, 	0x00048031
> -DATA 4, MX6_MMDC_P0_MDSCR,	0x09408030
> -DATA 4, MX6_MMDC_P0_MDSCR, 	0x04008040
> -DATA 4, MX6_MMDC_P0_MPZQHWCTRL, 0xA1380003
> -DATA 4, MX6_MMDC_P1_MPZQHWCTRL, 0xA1380003
> -DATA 4, MX6_MMDC_P0_MDREF, 	0x00005800
> -DATA 4, MX6_MMDC_P0_MPODTCTRL, 	0x00011117
> -DATA 4, MX6_MMDC_P1_MPODTCTRL, 	0x00011117
> -
> -DATA 4, MX6_MMDC_P0_MPDGCTRL0, 0x43510360
> -DATA 4, MX6_MMDC_P0_MPDGCTRL1, 0x0342033F
> -DATA 4, MX6_MMDC_P1_MPDGCTRL0, 0x033F033F
> -DATA 4, MX6_MMDC_P1_MPDGCTRL1, 0x03290266
> -
> -DATA 4, MX6_MMDC_P0_MPRDDLCTL, 0x4B3E4141
> -DATA 4, MX6_MMDC_P1_MPRDDLCTL, 0x47413B4A
> -DATA 4, MX6_MMDC_P0_MPWRDLCTL, 0x42404843
> -DATA 4, MX6_MMDC_P1_MPWRDLCTL, 0x4C3F4C45
> -
> -DATA 4, MX6_MMDC_P0_MPWLDECTRL0, 0x00350035
> -DATA 4, MX6_MMDC_P0_MPWLDECTRL1, 0x001F001F
> -DATA 4, MX6_MMDC_P1_MPWLDECTRL0, 0x00010001
> -DATA 4, MX6_MMDC_P1_MPWLDECTRL1, 0x00010001
> -
> -DATA 4, MX6_MMDC_P0_MPMUR0, 0x00000800
> -DATA 4, MX6_MMDC_P1_MPMUR0, 0x00000800
> -
> -DATA 4, MX6_MMDC_P0_MDPDC, 0x00025576
> -DATA 4, MX6_MMDC_P0_MAPSR, 0x00011006
> -DATA 4, MX6_MMDC_P0_MDSCR, 0x00000000
> -
> diff --git a/board/udoo/MAINTAINERS b/board/udoo/MAINTAINERS
> index ee8b61e..789e98f 100644
> --- a/board/udoo/MAINTAINERS
> +++ b/board/udoo/MAINTAINERS
> @@ -3,4 +3,4 @@ M:	Fabio Estevam <fabio.estevam@freescale.com>
>  S:	Maintained
>  F:	board/udoo/
>  F:	include/configs/udoo.h
> -F:	configs/udoo_quad_defconfig
> +F:	configs/udoo_defconfig
> diff --git a/board/udoo/Makefile b/board/udoo/Makefile
> index 80efada..1d6d9f8 100644
> --- a/board/udoo/Makefile
> +++ b/board/udoo/Makefile
> @@ -4,4 +4,4 @@
>  # SPDX-License-Identifier:	GPL-2.0+
>  #
>  
> -obj-y  := udoo.o
> +obj-y  := udoo.o udoo_spl.o
> diff --git a/board/udoo/clocks.cfg b/board/udoo/clocks.cfg
> deleted file mode 100644
> index 9cd1af1..0000000
> --- a/board/udoo/clocks.cfg
> +++ /dev/null
> @@ -1,32 +0,0 @@
> -/*
> - * Copyright (C) 2013 Boundary Devices
> - *
> - * SPDX-License-Identifier:	GPL-2.0+
> - *
> - * 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
> - */
> -
> -/* 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, 0x00FFF300
> -DATA 4, CCM_CCGR5, 0x0F0000C3
> -DATA 4, CCM_CCGR6, 0x000003FF
> -
> -/* enable AXI cache for VDOA/VPU/IPU */
> -DATA 4, MX6_IOMUXC_GPR4, 0xF00000FF
> -
> -/* 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/board/udoo/ddr-setup.cfg b/board/udoo/ddr-setup.cfg
> deleted file mode 100644
> index 78cbe17..0000000
> --- a/board/udoo/ddr-setup.cfg
> +++ /dev/null
> @@ -1,87 +0,0 @@
> -/*
> - * Copyright (C) 2013 Boundary Devices
> - *
> - * SPDX-License-Identifier:	GPL-2.0+
> - *
> - * 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
> - */
> -
> -/*
> - * DDR3 settings
> - * MX6Q    ddr is limited to 1066 Mhz	currently 1056 MHz(528 MHz clock),
> - *	   memory bus width: 64 bits	x16/x32/x64
> - * MX6DL   ddr is limited to 800 MHz(400 MHz clock)
> - *	   memory bus width: 64 bits	x16/x32/x64
> - * MX6SOLO ddr is limited to 800 MHz(400 MHz clock)
> - *	   memory bus width: 32 bits	x16/x32
> - */
> -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_DRAM_SDQS4, 0x00000030
> -DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000030
> -DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000030
> -DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000030
> -
> -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_GRP_B4DS, 0x00000030
> -DATA 4, MX6_IOM_GRP_B5DS, 0x00000030
> -DATA 4, MX6_IOM_GRP_B6DS, 0x00000030
> -DATA 4, MX6_IOM_GRP_B7DS, 0x00000030
> -DATA 4, MX6_IOM_GRP_ADDDS, 0x00000030
> -/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
> -DATA 4, MX6_IOM_GRP_CTLDS, 0x00000030
> -
> -DATA 4, MX6_IOM_DRAM_DQM0, 0x00020030
> -DATA 4, MX6_IOM_DRAM_DQM1, 0x00020030
> -DATA 4, MX6_IOM_DRAM_DQM2, 0x00020030
> -DATA 4, MX6_IOM_DRAM_DQM3, 0x00020030
> -DATA 4, MX6_IOM_DRAM_DQM4, 0x00020030
> -DATA 4, MX6_IOM_DRAM_DQM5, 0x00020030
> -DATA 4, MX6_IOM_DRAM_DQM6, 0x00020030
> -DATA 4, MX6_IOM_DRAM_DQM7, 0x00020030
> -
> -DATA 4, MX6_IOM_DRAM_CAS, 0x00020030
> -DATA 4, MX6_IOM_DRAM_RAS, 0x00020030
> -DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00020030
> -DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00020030
> -
> -DATA 4, MX6_IOM_DRAM_RESET, 0x00020030
> -DATA 4, MX6_IOM_DRAM_SDCKE0, 0x00003000
> -DATA 4, MX6_IOM_DRAM_SDCKE1, 0x00003000
> -
> -DATA 4, MX6_IOM_DRAM_SDODT0, 0x00003030
> -DATA 4, MX6_IOM_DRAM_SDODT1, 0x00003030
> -
> -/* (differential input) */
> -DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000
> -/* (differential input) */
> -DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000
> -/* disable ddr pullups */
> -DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
> -DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000
> -/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
> -DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
> -
> -/* Read data DQ Byte0-3 delay */
> -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_P1_MPRDDQBY0DL, 0x33333333
> -DATA 4, MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333
> -DATA 4, MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333
> -DATA 4, MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333
> -
> diff --git a/board/udoo/udoo.c b/board/udoo/udoo.c
> index e9236d4..a8bd90a 100644
> --- a/board/udoo/udoo.c
> +++ b/board/udoo/udoo.c
> @@ -42,28 +42,28 @@ DECLARE_GLOBAL_DATA_PTR;
>  
>  int dram_init(void)
>  {
> -	gd->ram_size = (phys_size_t)CONFIG_DDR_MB * 1024 * 1024;
> +	gd->ram_size = imx_ddr_size();
>  
>  	return 0;
>  }
>  
>  static iomux_v3_cfg_t const uart2_pads[] = {
> -	MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
> -	MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
> +	IOMUX_PADS(PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
> +	IOMUX_PADS(PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
>  };
>  
>  static iomux_v3_cfg_t const usdhc3_pads[] = {
> -	MX6_PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX6_PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +	IOMUX_PADS(PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
> +	IOMUX_PADS(PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
> +	IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
> +	IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
> +	IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
> +	IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
>  };
>  
>  static iomux_v3_cfg_t const wdog_pads[] = {
> -	MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
> -	MX6_PAD_EIM_D19__GPIO3_IO19,
> +	IOMUX_PADS(PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL)),
> +	IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19),
>  };
>  
>  int mx6_rgmii_rework(struct phy_device *phydev)
> @@ -96,43 +96,43 @@ int mx6_rgmii_rework(struct phy_device *phydev)
>  }
>  
>  static iomux_v3_cfg_t const enet_pads1[] = {
> -	MX6_PAD_ENET_MDIO__ENET_MDIO		| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_ENET_MDC__ENET_MDC		| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_TXC__RGMII_TXC	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_TD0__RGMII_TD0	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_TD1__RGMII_TD1	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_TD2__RGMII_TD2	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_TD3__RGMII_TD3	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_ENET_REF_CLK__ENET_TX_CLK	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_RXC__RGMII_RXC	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> +	IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO		| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_ENET_MDC__ENET_MDC		| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
>  	/* RGMII reset */
> -	MX6_PAD_EIM_D23__GPIO3_IO23		| MUX_PAD_CTRL(NO_PAD_CTRL),
> +	IOMUX_PADS(PAD_EIM_D23__GPIO3_IO23		| MUX_PAD_CTRL(NO_PAD_CTRL)),
>  	/* Ethernet power supply */
> -	MX6_PAD_EIM_EB3__GPIO2_IO31		| MUX_PAD_CTRL(NO_PAD_CTRL),
> +	IOMUX_PADS(PAD_EIM_EB3__GPIO2_IO31		| MUX_PAD_CTRL(NO_PAD_CTRL)),
>  	/* pin 32 - 1 - (MODE0) all */
> -	MX6_PAD_RGMII_RD0__GPIO6_IO25		| MUX_PAD_CTRL(NO_PAD_CTRL),
> +	IOMUX_PADS(PAD_RGMII_RD0__GPIO6_IO25		| MUX_PAD_CTRL(NO_PAD_CTRL)),
>  	/* pin 31 - 1 - (MODE1) all */
> -	MX6_PAD_RGMII_RD1__GPIO6_IO27		| MUX_PAD_CTRL(NO_PAD_CTRL),
> +	IOMUX_PADS(PAD_RGMII_RD1__GPIO6_IO27		| MUX_PAD_CTRL(NO_PAD_CTRL)),
>  	/* pin 28 - 1 - (MODE2) all */
> -	MX6_PAD_RGMII_RD2__GPIO6_IO28		| MUX_PAD_CTRL(NO_PAD_CTRL),
> +	IOMUX_PADS(PAD_RGMII_RD2__GPIO6_IO28		| MUX_PAD_CTRL(NO_PAD_CTRL)),
>  	/* pin 27 - 1 - (MODE3) all */
> -	MX6_PAD_RGMII_RD3__GPIO6_IO29		| MUX_PAD_CTRL(NO_PAD_CTRL),
> +	IOMUX_PADS(PAD_RGMII_RD3__GPIO6_IO29		| MUX_PAD_CTRL(NO_PAD_CTRL)),
>  	/* pin 33 - 1 - (CLK125_EN) 125Mhz clockout enabled */
> -	MX6_PAD_RGMII_RX_CTL__GPIO6_IO24	| MUX_PAD_CTRL(NO_PAD_CTRL),
> +	IOMUX_PADS(PAD_RGMII_RX_CTL__GPIO6_IO24	| MUX_PAD_CTRL(NO_PAD_CTRL)),
>  };
>  
>  static iomux_v3_cfg_t const enet_pads2[] = {
> -	MX6_PAD_RGMII_RD0__RGMII_RD0	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_RD1__RGMII_RD1	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_RD2__RGMII_RD2	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_RD3__RGMII_RD3	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> -	MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL),
> +	IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
> +	IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL)),
>  };
>  
>  static void setup_iomux_enet(void)
>  {
> -	imx_iomux_v3_setup_multiple_pads(enet_pads1, ARRAY_SIZE(enet_pads1));
> +	SETUP_IOMUX_PADS(enet_pads1);
>  	udelay(20);
>  	gpio_direction_output(IMX_GPIO_NR(2, 31), 1); /* Power supply on */
>  
> @@ -156,17 +156,17 @@ static void setup_iomux_enet(void)
>  	gpio_free(IMX_GPIO_NR(6, 28));
>  	gpio_free(IMX_GPIO_NR(6, 29));
>  
> -	imx_iomux_v3_setup_multiple_pads(enet_pads2, ARRAY_SIZE(enet_pads2));
> +	SETUP_IOMUX_PADS(enet_pads2);
>  }
>  
>  static void setup_iomux_uart(void)
>  {
> -	imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
> +	SETUP_IOMUX_PADS(uart2_pads);
>  }
>  
>  static void setup_iomux_wdog(void)
>  {
> -	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
> +	SETUP_IOMUX_PADS(wdog_pads);
>  	gpio_direction_output(WDT_TRG, 0);
>  	gpio_direction_output(WDT_EN, 1);
>  	gpio_direction_input(WDT_TRG);
> @@ -212,7 +212,7 @@ int board_eth_init(bd_t *bis)
>  
>  int board_mmc_init(bd_t *bis)
>  {
> -	imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
> +	SETUP_IOMUX_PADS(usdhc3_pads);
>  	usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
>  	usdhc_cfg.max_bus_width = 4;
>  
> @@ -242,14 +242,29 @@ int board_init(void)
>  	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
>  
>  #ifdef CONFIG_CMD_SATA
> -	setup_sata();
> +	if (is_cpu_type(MXC_CPU_MX6Q))
> +		setup_sata();
> +#endif
> +	return 0;
> +}
> +
> +int board_late_init(void)
> +{
> +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
> +	if (is_cpu_type(MXC_CPU_MX6Q))
> +		setenv("board_rev", "MX6Q");
> +	else
> +		setenv("board_rev", "MX6DL");
>  #endif
>  	return 0;
>  }
>  
>  int checkboard(void)
>  {
> -	puts("Board: Udoo\n");
> +	if (is_cpu_type(MXC_CPU_MX6Q))
> +		puts("Board: Udoo Quad\n");
> +	else
> +		puts("Board: Udoo DualLite\n");
>  
>  	return 0;
>  }
> diff --git a/board/udoo/udoo.cfg b/board/udoo/udoo.cfg
> deleted file mode 100644
> index 8d7ff25..0000000
> --- a/board/udoo/udoo.cfg
> +++ /dev/null
> @@ -1,29 +0,0 @@
> -/*
> - * Copyright (C) 2013 Boundary Devices
> - *
> - * SPDX-License-Identifier:	GPL-2.0+
> - *
> - * 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
> - */
> -
> -/* image version */
> -IMAGE_VERSION 2
> -
> -/*
> - * Boot Device : one of
> - * spi, sd (the board has no nand neither onenand)
> - */
> -BOOT_FROM      sd
> -
> -#define __ASSEMBLY__
> -#include <config.h>
> -#include "asm/arch/mx6-ddr.h"
> -#include "asm/arch/iomux.h"
> -#include "asm/arch/crm_regs.h"
> -
> -#include "ddr-setup.cfg"
> -#include "1066mhz_4x256mx16.cfg"
> -#include "clocks.cfg"
> diff --git a/board/udoo/udoo_spl.c b/board/udoo/udoo_spl.c
> new file mode 100644
> index 0000000..a1154ed
> --- /dev/null
> +++ b/board/udoo/udoo_spl.c
> @@ -0,0 +1,271 @@
> +/*
> + * Copyright (C) 2015 Udoo
> + * Author: Tungyi Lin <tungyilin1127@gmail.com>
> + *         Richard Hu <hakahu@gmail.com>
> + * Based on board/wandboard/spl.c
> + * SPDX-License-Identifier:     GPL-2.0+
> + */
> +
> +#include <asm/arch/clock.h>
> +#include <asm/arch/imx-regs.h>
> +#include <asm/arch/iomux.h>
> +#include <asm/arch/mx6-pins.h>
> +#include <asm/errno.h>
> +#include <asm/gpio.h>
> +#include <asm/imx-common/iomux-v3.h>
> +#include <asm/imx-common/video.h>
> +#include <mmc.h>
> +#include <fsl_esdhc.h>
> +#include <asm/arch/crm_regs.h>
> +#include <asm/io.h>
> +#include <asm/arch/sys_proto.h>
> +#include <spl.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#if defined(CONFIG_SPL_BUILD)
> +#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_sdclk_0 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdclk_1 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_cas = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_ras = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_reset = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdcke0 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdcke1 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdba2 = 0x00000000,
> +	.dram_sdodt0 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdodt1 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdqs0 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdqs1 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdqs2 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdqs3 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdqs4 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdqs5 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdqs6 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_sdqs7 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_dqm0 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_dqm1 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_dqm2 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_dqm3 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_dqm4 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_dqm5 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_dqm6 = IMX6DQ_DRIVE_STRENGTH,
> +	.dram_dqm7 = IMX6DQ_DRIVE_STRENGTH,
> +};
> +
> +/* configure MX6Q/DUAL mmdc GRP io registers */
> +static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = {
> +	.grp_ddr_type = 0x000c0000,
> +	.grp_ddrmode_ctl = 0x00020000,
> +	.grp_ddrpke = 0x00000000,
> +	.grp_addds = IMX6DQ_DRIVE_STRENGTH,
> +	.grp_ctlds = IMX6DQ_DRIVE_STRENGTH,
> +	.grp_ddrmode = 0x00020000,
> +	.grp_b0ds = IMX6DQ_DRIVE_STRENGTH,
> +	.grp_b1ds = IMX6DQ_DRIVE_STRENGTH,
> +	.grp_b2ds = IMX6DQ_DRIVE_STRENGTH,
> +	.grp_b3ds = IMX6DQ_DRIVE_STRENGTH,
> +	.grp_b4ds = IMX6DQ_DRIVE_STRENGTH,
> +	.grp_b5ds = IMX6DQ_DRIVE_STRENGTH,
> +	.grp_b6ds = IMX6DQ_DRIVE_STRENGTH,
> +	.grp_b7ds = IMX6DQ_DRIVE_STRENGTH,
> +};
> +
> +/* configure MX6SOLO/DUALLITE mmdc DDR io registers */
> +struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = {
> +	.dram_sdclk_0 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdclk_1 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_cas = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_ras = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_reset = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdcke0 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdcke1 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdba2 = 0x00000000,
> +	.dram_sdodt0 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdodt1 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdqs0 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdqs1 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdqs2 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdqs3 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdqs4 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdqs5 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdqs6 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_sdqs7 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_dqm0 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_dqm1 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_dqm2 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_dqm3 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_dqm4 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_dqm5 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_dqm6 = IMX6SDL_DRIVE_STRENGTH,
> +	.dram_dqm7 = IMX6SDL_DRIVE_STRENGTH,
> +};
> +
> +/* 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 = IMX6SDL_DRIVE_STRENGTH,
> +	.grp_ctlds = IMX6SDL_DRIVE_STRENGTH,
> +	.grp_ddrmode = 0x00020000,
> +	.grp_b0ds = IMX6SDL_DRIVE_STRENGTH,
> +	.grp_b1ds = IMX6SDL_DRIVE_STRENGTH,
> +	.grp_b2ds = IMX6SDL_DRIVE_STRENGTH,
> +	.grp_b3ds = IMX6SDL_DRIVE_STRENGTH,
> +	.grp_b4ds = IMX6SDL_DRIVE_STRENGTH,
> +	.grp_b5ds = IMX6SDL_DRIVE_STRENGTH,
> +	.grp_b6ds = IMX6SDL_DRIVE_STRENGTH,
> +	.grp_b7ds = IMX6SDL_DRIVE_STRENGTH,
> +};
> +
> +/* MT41K128M16JT-125 */
> +static struct mx6_ddr3_cfg mt41k128m16jt_125 = {
> +	/* quad = 1066, duallite = 800 */
> +	.mem_speed = 1066,
> +	.density = 2,
> +	.width = 16,
> +	.banks = 8,
> +	.rowaddr = 14,
> +	.coladdr = 10,
> +	.pagesz = 2,
> +	.trcd = 1375,
> +	.trcmin = 4875,
> +	.trasmin = 3500,
> +	.SRT = 0,
> +};
> +
> +static struct mx6_mmdc_calibration mx6q_1g_mmdc_calib = {
> +	.p0_mpwldectrl0 = 0x00350035,
> +	.p0_mpwldectrl1 = 0x001F001F,
> +	.p1_mpwldectrl0 = 0x00010001,
> +	.p1_mpwldectrl1 = 0x00010001,
> +	.p0_mpdgctrl0 = 0x43510360,
> +	.p0_mpdgctrl1 = 0x0342033F,
> +	.p1_mpdgctrl0 = 0x033F033F,
> +	.p1_mpdgctrl1 = 0x03290266,
> +	.p0_mprddlctl = 0x4B3E4141,
> +	.p1_mprddlctl = 0x47413B4A,
> +	.p0_mpwrdlctl = 0x42404843,
> +	.p1_mpwrdlctl = 0x4C3F4C45,
> +};
> +
> +static struct mx6_mmdc_calibration mx6dl_1g_mmdc_calib = {
> +	.p0_mpwldectrl0 = 0x002F0038,
> +	.p0_mpwldectrl1 = 0x001F001F,
> +	.p1_mpwldectrl0 = 0x001F001F,
> +	.p1_mpwldectrl1 = 0x001F001F,
> +	.p0_mpdgctrl0 = 0x425C0251,
> +	.p0_mpdgctrl1 = 0x021B021E,
> +	.p1_mpdgctrl0 = 0x021B021E,
> +	.p1_mpdgctrl1 = 0x01730200,
> +	.p0_mprddlctl = 0x45474C45,
> +	.p1_mprddlctl = 0x44464744,
> +	.p0_mpwrdlctl = 0x3F3F3336,
> +	.p1_mpwrdlctl = 0x32383630,
> +};
> +
> +/* DDR 64bit 1GB */
> +static struct mx6_ddr_sysinfo mem_qdl = {
> +	.dsize = 2,
> +	.cs1_mirror = 0,
> +	/* config for full 4GB range so that get_mem_size() works */
> +	.cs_density = 32,
> +	.ncs = 1,
> +	.bi_on = 1,
> +	/* quad = 2, duallite = 1 */
> +	.rtt_nom = 2,
> +	/* quad = 2, duallite = 1 */
> +	.rtt_wr = 2,
> +	.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;
> +
> +	/* set the default clock gate to save power */
> +	writel(0x00C03F3F, &ccm->CCGR0);
> +	writel(0x0030FC03, &ccm->CCGR1);
> +	writel(0x0FFFC000, &ccm->CCGR2);
> +	writel(0x3FF00000, &ccm->CCGR3);
> +	writel(0x00FFF300, &ccm->CCGR4);
> +	writel(0x0F0000C3, &ccm->CCGR5);
> +	writel(0x000003FF, &ccm->CCGR6);
> +}
> +
> +static void gpr_init(void)
> +{
> +	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
> +
> +	/* enable AXI cache for VDOA/VPU/IPU */
> +	writel(0xF00000FF, &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_MX6DL)) {
> +		mt41k128m16jt_125.mem_speed = 800;
> +		mem_qdl.rtt_nom = 1;
> +		mem_qdl.rtt_wr = 1;
> +
> +		mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
> +		mx6_dram_cfg(&mem_qdl, &mx6dl_1g_mmdc_calib, &mt41k128m16jt_125);
> +	} else if (is_cpu_type(MXC_CPU_MX6Q)) {
> +		mt41k128m16jt_125.mem_speed = 1066;
> +		mem_qdl.rtt_nom = 2;
> +		mem_qdl.rtt_wr = 2;
> +
> +		mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs);
> +		mx6_dram_cfg(&mem_qdl, &mx6q_1g_mmdc_calib, &mt41k128m16jt_125);
> +	}
> +
> +	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/udoo_defconfig b/configs/udoo_defconfig
> new file mode 100644
> index 0000000..9fe30d3
> --- /dev/null
> +++ b/configs/udoo_defconfig
> @@ -0,0 +1,6 @@
> +CONFIG_SPL=y
> +CONFIG_ARM=y
> +CONFIG_DM=y
> +CONFIG_DM_THERMAL=y
> +CONFIG_TARGET_UDOO=y
> +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6QDL"
> diff --git a/configs/udoo_quad_defconfig b/configs/udoo_quad_defconfig
> deleted file mode 100644
> index 42c21c6..0000000
> --- a/configs/udoo_quad_defconfig
> +++ /dev/null
> @@ -1,5 +0,0 @@
> -CONFIG_ARM=y
> -CONFIG_TARGET_UDOO=y
> -CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/udoo/udoo.cfg,MX6Q,DDR_MB=1024"
> -# CONFIG_CMD_IMLS is not set
> -# CONFIG_CMD_FLASH is not set
> diff --git a/include/configs/udoo.h b/include/configs/udoo.h
> index 910bf01..f93b67a 100644
> --- a/include/configs/udoo.h
> +++ b/include/configs/udoo.h
> @@ -11,6 +11,10 @@
>  
>  #include "mx6_common.h"
>  
> +#define CONFIG_SPL_MMC_SUPPORT
> +#define CONFIG_SPL_FAT_SUPPORT
> +#include "imx6_spl.h"
> +
>  #define MACH_TYPE_UDOO		4800
>  #define CONFIG_MACH_TYPE	MACH_TYPE_UDOO
>  
> @@ -18,6 +22,7 @@
>  #define CONFIG_SYS_MALLOC_LEN		(2 * SZ_1M)
>  
>  #define CONFIG_BOARD_EARLY_INIT_F
> +#define CONFIG_BOARD_LATE_INIT
>  
>  #define CONFIG_MXC_UART
>  #define CONFIG_MXC_UART_BASE		UART2_BASE
> @@ -58,7 +63,7 @@
>  /* MMC Configuration */
>  #define CONFIG_SYS_FSL_ESDHC_ADDR	0
>  
> -#define CONFIG_DEFAULT_FDT_FILE		"imx6q-udoo.dtb"
> +#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
>  
>  #define CONFIG_EXTRA_ENV_SETTINGS \
>  	"script=boot.scr\0" \
> @@ -67,7 +72,7 @@
>  	"splashpos=m,m\0" \
>  	"fdt_high=0xffffffff\0" \
>  	"initrd_high=0xffffffff\0" \
> -	"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
> +	"fdt_file=undefined\0" \
>  	"fdt_addr=0x18000000\0" \
>  	"boot_fdt=try\0" \
>  	"ip_dyn=yes\0" \
> @@ -134,9 +139,17 @@
>  			"fi; " \
>  		"else " \
>  			"bootz; " \
> -		"fi;\0"
> +		"fi;\0" \
> +		"findfdt=" \
> +			"if test $board_rev = MX6Q ; then " \
> +				"setenv fdt_file imx6q-udoo.dtb; fi; " \
> +			"if test $board_rev = MX6DL ; then " \
> +				"setenv fdt_file imx6dl-udoo.dtb; fi; " \
> +			"if test $fdt_file = undefined; then " \
> +				"echo WARNING: Could not determine dtb to use; fi; \0"
>  
>  #define CONFIG_BOOTCOMMAND \
> +	   "run findfdt; " \
>  	   "mmc dev ${mmcdev}; if mmc rescan; then " \
>  		   "if run loadbootscript; then " \
>  			   "run bootscript; " \
> 

Acked-by: Stefano Babic <sbabic@denx.de>

Best regards,
Stefano Babic

-- 
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HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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