From 7e43357e93c2aff021f9d41b4bd4f666ec0402a7 Mon Sep 17 00:00:00 2001 From: Ye Li Date: Fri, 24 Feb 2017 14:23:12 +0800 Subject: MLK-14259-3 mx6ulevk: Add support for NAND Add NAND pinmux settings, clock setting and related configurations. Default not enabled, need hardware rework. Signed-off-by: Ye Li --- board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c | 47 ++++++++++++++++++++++- 1 file changed, 46 insertions(+), 1 deletion(-) (limited to 'board/freescale') 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; } -- cgit v1.1