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imx6: icorem6: Add NAND support

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Add NAND support for Engicam i.CoreM6 qdl board.

Boot Log:
--------

U-Boot SPL 2016.09-rc2-30755-gd3dc581-dirty (Sep 28 2016 - 23:00:43)
Trying to boot from NAND
NAND : 512 MiB

U-Boot 2016.09-rc2-30755-gd3dc581-dirty (Sep 28 2016 - 23:00:43 +0530)

CPU:   Freescale i.MX6SOLO rev1.3 at 792MHz
CPU:   Industrial temperature grade (-40C to 105C) at 55C
Reset cause: WDOG
Model: Engicam i.CoreM6 DualLite/Solo Starter Kit
DRAM:  256 MiB
NAND:  512 MiB
MMC:   FSL_SDHC: 0
In:    serial
Out:   serial
Err:   serial
Net:   FEC [PRIME]
Hit any key to stop autoboot:  0
icorem6qdl>

Cc: Scott Wood <oss@buserror.net>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Jagan Teki 2016-10-25 11:53:23 +05:30 committed by Stefano Babic
parent df10a850c5
commit 023ff2f732
3 changed files with 126 additions and 1 deletions
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63
board/engicam/icorem6/icorem6.c
View file

@ -101,6 +101,66 @@ int board_eth_init(bd_t *bis)
}
#endif
#ifdef CONFIG_NAND_MXS
#define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
#define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
PAD_CTL_SRE_FAST)
#define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)
iomux_v3_cfg_t gpmi_pads[] = {
IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0)),
IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
};
static void setup_gpmi_nand(void)
{
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
/* config gpmi nand iomux */
SETUP_IOMUX_PADS(gpmi_pads);
/* gate ENFC_CLK_ROOT clock first,before clk source switch */
clrbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
/* config gpmi and bch clock to 100 MHz */
clrsetbits_le32(&mxc_ccm->cs2cdr,
MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
/* enable ENFC_CLK_ROOT clock */
setbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
/* enable gpmi and bch clock gating */
setbits_le32(&mxc_ccm->CCGR4,
MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
/* enable apbh clock gating */
setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
}
#endif
int board_early_init_f(void)
{
SETUP_IOMUX_PADS(uart4_pads);
@ -113,6 +173,9 @@ int board_init(void)
/* Address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_NAND_MXS
setup_gpmi_nand();
#endif
return 0;
}

39
configs/imx6qdl_icore_nand_defconfig Normal file
View file

@ -0,0 +1,39 @@
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_NAND"
CONFIG_DEFAULT_FDT_FILE="imx6dl-icore.dtb"
CONFIG_DEFAULT_DEVICE_TREE="imx6dl-icore"
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_MII=y
CONFIG_CMD_PING=y
CONFIG_CMD_MEMTEST=y
CONFIG_CMD_NAND=y
CONFIG_CMD_CACHE=y
CONFIG_OF_LIBFDT=y
CONFIG_FEC_MXC=y
CONFIG_MXC_UART=y
CONFIG_NAND_MXS=y
CONFIG_NETDEVICES=y
CONFIG_IMX_THERMAL=y
# CONFIG_BLK is not set
# CONFIG_DM_MMC_OPS is not set
CONFIG_PINCTRL=y
CONFIG_PINCTRL_IMX6=y
CONFIG_SPL_LIBCOMMON_SUPPORT=y
CONFIG_SPL_LIBGENERIC_SUPPORT=y
CONFIG_SPL_SERIAL_SUPPORT=y
CONFIG_SPL_I2C_SUPPORT=y
CONFIG_SPL_GPIO_SUPPORT=y
CONFIG_SPL_WATCHDOG_SUPPORT=y
CONFIG_SPL_DMA_SUPPORT=y

25
include/configs/imx6qdl_icore.h
View file

@ -27,6 +27,10 @@
/* Environment in MMC */
# if defined(CONFIG_ENV_IS_IN_MMC)
# define CONFIG_ENV_OFFSET 0x100000
/* Environment in NAND */
# elif defined(CONFIG_ENV_IS_IN_NAND)
# define CONFIG_ENV_OFFSET 0x400000
# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
# endif
#endif
@ -111,6 +115,20 @@
# define CONFIG_SYS_FSL_ESDHC_ADDR USDHC2_BASE_ADDR
#endif
/* NAND */
#ifdef CONFIG_NAND_MXS
# define CONFIG_SYS_MAX_NAND_DEVICE 1
# define CONFIG_SYS_NAND_BASE 0x40000000
# define CONFIG_SYS_NAND_5_ADDR_CYCLE
# 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_APBH_DMA
# define CONFIG_APBH_DMA_BURST
# define CONFIG_APBH_DMA_BURST8
#endif
/* Ethernet */
#ifdef CONFIG_FEC_MXC
# define IMX_FEC_BASE ENET_BASE_ADDR
@ -125,7 +143,12 @@
/* SPL */
#ifdef CONFIG_SPL
# define CONFIG_SPL_MMC_SUPPORT
# ifdef CONFIG_NAND_MXS
# define CONFIG_SPL_NAND_SUPPORT
# else
# define CONFIG_SPL_MMC_SUPPORT
# endif
# include "imx6_spl.h"
# ifdef CONFIG_SPL_BUILD
# undef CONFIG_DM_GPIO