brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-06-09 15:26:03 +09:00
Code Issues Projects Releases Wiki Activity

imx: ventana: enable dm for MTD and NAND

Browse Source 
Enable driver model for MTD and NAND support allowing us to remove
the iomux, init, and most of the static configuration.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
This commit is contained in:
Tim Harvey 2021-03-01 14:33:36 -08:00 committed by Stefano Babic
parent 19a387f85d
commit 777f333c37
3 changed files with 4 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
board/gateworks/gw_ventana/gw_ventana.c
View File

@ -80,54 +80,6 @@ static iomux_v3_cfg_t const enet_pads[] = {
IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | DIO_PAD_CFG),
};
#ifdef CONFIG_CMD_NAND
static iomux_v3_cfg_t const nfc_pads[] = {
IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)),
};
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(nfc_pads);
/* 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 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
static void setup_iomux_enet(int gpio)
{
SETUP_IOMUX_PADS(enet_pads);
@ -639,10 +591,6 @@ int board_init(void)
setup_ventana_i2c(0);
board_type = read_eeprom(CONFIG_I2C_GSC, &ventana_info);
#ifdef CONFIG_CMD_NAND
if (gpio_cfg[board_type].nand)
setup_gpmi_nand();
#endif
#ifdef CONFIG_MXC_SPI
setup_spi();
#endif

2
configs/gwventana_nand_defconfig
View File

@ -87,8 +87,10 @@ CONFIG_SUPPORT_EMMC_RPMB=y
CONFIG_SUPPORT_EMMC_BOOT=y
CONFIG_FSL_USDHC=y
CONFIG_MTD=y
CONFIG_DM_MTD=y
CONFIG_MTD_RAW_NAND=y
CONFIG_NAND_MXS=y
CONFIG_NAND_MXS_DT=y
CONFIG_PHYLIB=y
CONFIG_E1000=y
CONFIG_MII=y

14
include/configs/gw_ventana.h
View File

@ -35,18 +35,8 @@
/* Serial */
#define CONFIG_MXC_UART_BASE UART2_BASE
#if !defined(CONFIG_SPI_FLASH) && defined(CONFIG_SPL_NAND_SUPPORT)
/* Enable NAND support */
#ifdef CONFIG_CMD_NAND
#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
/* DMA stuff, needed for GPMI/MXS NAND support */
#endif
#endif /* CONFIG_SPI_FLASH */
/* NAND */
#define CONFIG_SYS_MAX_NAND_DEVICE 1
/* I2C Configs */
#define CONFIG_SYS_I2C