diff options
Diffstat (limited to 'board/engicam/isiotmx6ul/isiotmx6ul.c')
| -rw-r--r-- | board/engicam/isiotmx6ul/isiotmx6ul.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/board/engicam/isiotmx6ul/isiotmx6ul.c b/board/engicam/isiotmx6ul/isiotmx6ul.c deleted file mode 100644 index fbf17242f8..0000000000 --- a/board/engicam/isiotmx6ul/isiotmx6ul.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * Copyright (C) 2016 Amarula Solutions B.V. - * Copyright (C) 2016 Engicam S.r.l. - * Author: Jagan Teki <jagan@amarulasolutions.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mmc.h> - -#include <asm/io.h> -#include <asm/gpio.h> -#include <linux/sizes.h> - -#include <asm/arch/clock.h> -#include <asm/arch/crm_regs.h> -#include <asm/arch/iomux.h> -#include <asm/arch/mx6-pins.h> -#include <asm/arch/sys_proto.h> -#include <asm/mach-imx/iomux-v3.h> - -#include "../common/board.h" - -DECLARE_GLOBAL_DATA_PTR; - -#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) - -static iomux_v3_cfg_t const nand_pads[] = { - IOMUX_PADS(PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), - IOMUX_PADS(PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2)), -}; - -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(nand_pads); - - clrbits_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_MASK); - - /* - * config gpmi and bch clock to 100 MHz - * bch/gpmi select PLL2 PFD2 400M - * 100M = 400M / 4 - */ - clrbits_le32(&mxc_ccm->cscmr1, - MXC_CCM_CSCMR1_BCH_CLK_SEL | - MXC_CCM_CSCMR1_GPMI_CLK_SEL); - clrsetbits_le32(&mxc_ccm->cscdr1, - MXC_CCM_CSCDR1_BCH_PODF_MASK | - MXC_CCM_CSCDR1_GPMI_PODF_MASK, - (3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) | - (3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET)); - - /* 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_MASK); - - /* enable apbh clock gating */ - setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); -} -#endif /* CONFIG_NAND_MXS */ - -#ifdef CONFIG_ENV_IS_IN_MMC -int board_mmc_get_env_dev(int devno) -{ - /* dev 0 for SD/eSD, dev 1 for MMC/eMMC */ - return (devno == 0) ? 0 : 1; -} -#endif - -void setenv_fdt_file(void) -{ - if (is_mx6ul()) { -#ifdef CONFIG_ENV_IS_IN_MMC - env_set("fdt_file", "imx6ul-isiot-emmc.dtb"); -#else - env_set("fdt_file", "imx6ul-isiot-nand.dtb"); -#endif - } -} - -#ifdef CONFIG_SPL_BUILD -#include <spl.h> - -/* MMC board initialization is needed till adding DM support in SPL */ -#if defined(CONFIG_FSL_ESDHC) && !defined(CONFIG_DM_MMC) -#include <mmc.h> -#include <fsl_esdhc.h> - -#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ - PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \ - PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) - -static iomux_v3_cfg_t const usdhc1_pads[] = { - IOMUX_PADS(PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - - /* VSELECT */ - IOMUX_PADS(PAD_GPIO1_IO05__USDHC1_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - /* CD */ - IOMUX_PADS(PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL)), - /* RST_B */ - IOMUX_PADS(PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL)), -}; - -static iomux_v3_cfg_t const usdhc2_pads[] = { - IOMUX_PADS(PAD_NAND_ALE__USDHC2_RESET_B | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), - IOMUX_PADS(PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), -}; - -#define USDHC1_CD_GPIO IMX_GPIO_NR(1, 19) -#define USDHC2_CD_GPIO IMX_GPIO_NR(4, 5) - -struct fsl_esdhc_cfg usdhc_cfg[2] = { - {USDHC1_BASE_ADDR, 0, 4}, - {USDHC2_BASE_ADDR, 0, 8}, -}; - -int board_mmc_getcd(struct mmc *mmc) -{ - struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; - int ret = 0; - - switch (cfg->esdhc_base) { - case USDHC1_BASE_ADDR: - ret = !gpio_get_value(USDHC1_CD_GPIO); - break; - case USDHC2_BASE_ADDR: - ret = !gpio_get_value(USDHC2_CD_GPIO); - break; - } - - return ret; -} - -int board_mmc_init(bd_t *bis) -{ - int i, ret; - - /* - * According to the board_mmc_init() the following map is done: - * (U-boot device node) (Physical Port) - * mmc0 USDHC1 - * mmc1 USDHC2 - */ - for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { - switch (i) { - case 0: - SETUP_IOMUX_PADS(usdhc1_pads); - gpio_direction_input(USDHC1_CD_GPIO); - usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); - break; - case 1: - SETUP_IOMUX_PADS(usdhc2_pads); - gpio_direction_input(USDHC2_CD_GPIO); - usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); - break; - default: - printf("Warning - USDHC%d controller not supporting\n", - i + 1); - return 0; - } - - ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); - if (ret) { - printf("Warning: failed to initialize mmc dev %d\n", i); - return ret; - } - } - - return 0; -} - -#ifdef CONFIG_ENV_IS_IN_MMC -void board_boot_order(u32 *spl_boot_list) -{ - u32 bmode = imx6_src_get_boot_mode(); - u8 boot_dev = BOOT_DEVICE_MMC1; - - switch ((bmode & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) { - case IMX6_BMODE_SD: - case IMX6_BMODE_ESD: - /* SD/eSD - BOOT_DEVICE_MMC1 */ - break; - case IMX6_BMODE_MMC: - case IMX6_BMODE_EMMC: - /* MMC/eMMC */ - boot_dev = BOOT_DEVICE_MMC2; - break; - default: - /* Default - BOOT_DEVICE_MMC1 */ - printf("Wrong board boot order\n"); - break; - } - - spl_boot_list[0] = boot_dev; -} -#endif -#endif /* CONFIG_FSL_ESDHC */ -#endif /* CONFIG_SPL_BUILD */ |