diff options
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/clock.c | 13 | ||||
| -rw-r--r-- | board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c | 47 | ||||
| -rw-r--r-- | include/configs/mx6ul_14x14_evk.h | 19 |
3 files changed, 77 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index c94bdbd..0f1c71f 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -59,6 +59,19 @@ void setup_gpmi_io_clk(u32 cfg) cfg); setbits_le32(&imx_ccm->CCGR4, MXC_CCM_CCGR4_QSPI2_ENFC_MASK); +#elif defined(CONFIG_MX6UL) + /* + * config gpmi and bch clock to 100 MHz + * bch/gpmi select PLL2 PFD2 400M + * 100M = 400M / 4 + */ + clrbits_le32(&imx_ccm->cscmr1, + MXC_CCM_CSCMR1_BCH_CLK_SEL | + MXC_CCM_CSCMR1_GPMI_CLK_SEL); + clrsetbits_le32(&imx_ccm->cscdr1, + MXC_CCM_CSCDR1_BCH_PODF_MASK | + MXC_CCM_CSCDR1_GPMI_PODF_MASK, + cfg); #else clrbits_le32(&imx_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK); diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c index 1c4a436..826d2c9 100644 --- a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c +++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2015 Freescale Semiconductor, Inc. + * Copyright (C) 2015-2016 Freescale Semiconductor, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ @@ -54,6 +54,11 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_SPEED_HIGH | \ PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) +#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) + #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm) @@ -485,6 +490,42 @@ int board_ehci_hcd_init(int port) } #endif +#ifdef CONFIG_NAND_MXS +static iomux_v3_cfg_t const nand_pads[] = { + MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_CE1_B__RAWNAND_CE1_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DQS__RAWNAND_DQS | 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 */ + imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads)); + + setup_gpmi_io_clk((3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) | + (3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET)); + + /* enable apbh clock gating */ + setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); +} +#endif + #ifdef CONFIG_FEC_MXC /* * pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only @@ -691,6 +732,10 @@ int board_init(void) board_qspi_init(); #endif +#ifdef CONFIG_NAND_MXS + setup_gpmi_nand(); +#endif + return 0; } diff --git a/include/configs/mx6ul_14x14_evk.h b/include/configs/mx6ul_14x14_evk.h index a3cf820..2f98b02 100644 --- a/include/configs/mx6ul_14x14_evk.h +++ b/include/configs/mx6ul_14x14_evk.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2015 Freescale Semiconductor, Inc. + * Copyright (C) 2015-2016 Freescale Semiconductor, Inc. * * Configuration settings for the Freescale i.MX6UL 14x14 EVK board. * @@ -200,6 +200,23 @@ #define FSL_QSPI_FLASH_SIZE SZ_32M #endif +/* NAND stuff */ +#ifdef CONFIG_SYS_USE_NAND +#define CONFIG_CMD_NAND +#define CONFIG_CMD_NAND_TRIMFFS + +#define 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 + +/* DMA stuff, needed for GPMI/MXS NAND support */ +#define CONFIG_APBH_DMA +#define CONFIG_APBH_DMA_BURST +#define CONFIG_APBH_DMA_BURST8 +#endif + /* USB Configs */ #ifdef CONFIG_CMD_USB #define CONFIG_USB_EHCI |