[U-Boot,V2,15/15] imx: mx6ul_14x14_evk add basic board support

Message ID	1436602043-9644-16-git-send-email-Peng.Fan@freescale.com
State	Superseded
Delegated to:	Stefano Babic
Headers	show Return-Path: <u-boot-bounces@lists.denx.de> Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.158.2 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.158.2; helo=az84smr01.freescale.net; From: Peng Fan <Peng.Fan@freescale.com> To: <sbabic@denx.de> Date: Sat, 11 Jul 2015 16:07:23 +0800 Message-ID: <1436602043-9644-16-git-send-email-Peng.Fan@freescale.com> In-Reply-To: <1436602043-9644-1-git-send-email-Peng.Fan@freescale.com> References: <1436602043-9644-1-git-send-email-Peng.Fan@freescale.com> MIME-Version: 1.0 X-Microsoft-Exchange-Diagnostics: 1; BL2PR03MB242; 2:iKX3I2D33uMgxTSJ8e2+91luCzlIZYAWVay1zuuY57LPFmGFONxwzwj6kFCPKtw1; 3:kB5grctza8rCdHWSkbC0O4q5+7MiBVAxl7obpOTVtgR44rCdG5LjrOzzNXrRZkSk1Pcx7+TH/q/2rkwY1FUdK8PU6j4oHXkiuZP46u28zhM146K6kht5mSmd4XPq09WlbsHNQOz9Qv3w3IY+c/YrDwV9pHyjKYt5FdPTCpP9XaCdfkWzUzANMzmia7GAdP/AgU+Ma27nF6lTPCqL2XXESRpyufK0RQDfBifdyT8plLk=; 25:XiqdgqUDnZeU/4Oq35iArXrEcSKrcinMAYdmGNEAK0s971PJcsCDniWD2ReHjK0QuTMjM6qskXA0dfy2kGEfT6r2r8T63jB5eERDcLr/hgIR3w4BrDLvM+YyP68MarWn1aNkGWMTijmnHJo1mx3LdPZ8A/1wllzyS8UqnJxV9tz6USbj3dLzhGfc4fb3tbpnYbKjPUiS75fwVTLUYrmt8OaqvBpfObYxSXommPio4alLgD8LFgyQqNm+0ExKwhRo; 20:Sjwo1PvWJODcoP3n9MJqRJtw+r6m6IRQ5Ht1sjDCJg/xG/1HziVk240foOkpwIpd5bR3kOHXLyayyFAq/fqfGP8h6qyW4sUECb7tckW92OzpZKVQHPVk9hZ5ktJ7WALCR70UAvAc6YzKmHBe4iiFa549+df/S+RcYGvNM9nuYknv2EmzJvP2yt1GBtLbOP7FhMeCLa9qeok9CM6skL6/NOTb6C4y4CxciTNjf6ibyjtITJ2nmBBjPoFpHwVYBKC3ImgTmi8dZA11k6A69p9drxdfQtBRTAKWSCoITOC+o3cnTnaw8BgrB0DMhGmjiSV+gKc/Jfwfdg/12KDOLfk0QHscFW+sWmu6/eqaihsxHOo= BL2PR03MB242: X-MS-Exchange-Organization-RulesExecuted Cc: fabio.estevam@freescale.com, marex@denx.de, otavio@ossystems.com.br, u-boot@lists.denx.de Subject: [U-Boot] [PATCH V2 15/15] imx: mx6ul_14x14_evk add basic board support Precedence: list Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 9908b43..14a622e 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -575,6 +575,13 @@ config TARGET_MX6SXSABRESD select DM select DM_THERMAL +config TARGET_MX6UL_14X14_EVK + bool "Support mx6ul_14x14_evk" + select CPU_V7 + select DM + select DM_THERMAL + select SUPPORT_SPL + config TARGET_GW_VENTANA bool "Support gw_ventana" select CPU_V7 @@ -920,6 +927,7 @@ source "board/freescale/mx6qsabreauto/Kconfig" source "board/freescale/mx6sabresd/Kconfig" source "board/freescale/mx6slevk/Kconfig" source "board/freescale/mx6sxsabresd/Kconfig" +source "board/freescale/mx6ul_14x14_evk/Kconfig" source "board/freescale/vf610twr/Kconfig" source "board/gateworks/gw_ventana/Kconfig" source "board/genesi/mx51_efikamx/Kconfig" diff --git a/board/freescale/mx6ul_14x14_evk/Kconfig b/board/freescale/mx6ul_14x14_evk/Kconfig new file mode 100644 index 0000000..393aca6 --- /dev/null +++ b/board/freescale/mx6ul_14x14_evk/Kconfig @@ -0,0 +1,15 @@ +if TARGET_MX6UL_14X14_EVK + +config SYS_BOARD + default "mx6ul_14x14_evk" + +config SYS_VENDOR + default "freescale" + +config SYS_SOC + default "mx6" + +config SYS_CONFIG_NAME + default "mx6ul_14x14_evk" + +endif diff --git a/board/freescale/mx6ul_14x14_evk/MAINTAINERS b/board/freescale/mx6ul_14x14_evk/MAINTAINERS new file mode 100644 index 0000000..611feca --- /dev/null +++ b/board/freescale/mx6ul_14x14_evk/MAINTAINERS @@ -0,0 +1,6 @@ +MX6ULEVK BOARD +M: Peng Fan <Peng.Fan@freescale.com> +S: Maintained +F: board/freescale/mx6ul_14x14_evk/ +F: include/configs/mx6ul_14x14_evk.h +F: configs/mx6ul_14x14_evk_defconfig diff --git a/board/freescale/mx6ul_14x14_evk/Makefile b/board/freescale/mx6ul_14x14_evk/Makefile new file mode 100644 index 0000000..61f6778 --- /dev/null +++ b/board/freescale/mx6ul_14x14_evk/Makefile @@ -0,0 +1,6 @@ +# (C) Copyright 2015 Freescale Semiconductor, Inc. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := mx6ul_14x14_evk.o diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c new file mode 100644 index 0000000..8f712cb --- /dev/null +++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c @@ -0,0 +1,636 @@ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/clock.h> +#include <asm/arch/iomux.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/mx6ul_pins.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/boot_mode.h> +#include <asm/imx-common/mxc_i2c.h> +#include <asm/io.h> +#include <common.h> +#include <fsl_esdhc.h> +#include <i2c.h> +#include <linux/sizes.h> +#include <mmc.h> +#include <usb.h> +#include <usb/ehci-fsl.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#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) + +#define USDHC_DAT3_CD_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE) + +#define IOX_SDI IMX_GPIO_NR(5, 10) +#define IOX_STCP IMX_GPIO_NR(5, 7) +#define IOX_SHCP IMX_GPIO_NR(5, 11) +#define IOX_OE IMX_GPIO_NR(5, 18) + +static iomux_v3_cfg_t const iox_pads[] = { + /* IOX_SDI */ + MX6_PAD_BOOT_MODE0__GPIO5_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* IOX_SHCP */ + MX6_PAD_BOOT_MODE1__GPIO5_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* IOX_STCP */ + MX6_PAD_SNVS_TAMPER7__GPIO5_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* IOX_nOE */ + MX6_PAD_SNVS_TAMPER8__GPIO5_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +/* + * HDMI_nRST --> Q0 + * ENET1_nRST --> Q1 + * ENET2_nRST --> Q2 + * CAN1_2_STBY --> Q3 + * BT_nPWD --> Q4 + * CSI_RST --> Q5 + * CSI_PWDN --> Q6 + * LCD_nPWREN --> Q7 + */ +enum qn { + HDMI_NRST, + ENET1_NRST, + ENET2_NRST, + CAN1_2_STBY, + BT_NPWD, + CSI_RST, + CSI_PWDN, + LCD_NPWREN, +}; + +enum qn_func { + qn_reset, + qn_enable, + qn_disable, +}; + +enum qn_level { + qn_low = 0, + qn_high = 1, +}; + +static enum qn_level seq[3][2] = { + {0, 1}, {1, 1}, {0, 0} +}; + +static enum qn_func qn_output[8] = { + qn_reset, qn_reset, qn_reset, qn_enable, qn_disable, qn_reset, + qn_disable, qn_enable +}; + +static void iox74lv_init(void) +{ + int i; + + gpio_direction_output(IOX_OE, 0); + + for (i = 7; i >= 0; i--) { + gpio_direction_output(IOX_SHCP, 0); + gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]); + udelay(500); + gpio_direction_output(IOX_SHCP, 1); + udelay(500); + } + + gpio_direction_output(IOX_STCP, 0); + udelay(500); + /* + * shift register will be output to pins + */ + gpio_direction_output(IOX_STCP, 1); + + for (i = 7; i >= 0; i--) { + gpio_direction_output(IOX_SHCP, 0); + gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]); + udelay(500); + gpio_direction_output(IOX_SHCP, 1); + udelay(500); + } + gpio_direction_output(IOX_STCP, 0); + udelay(500); + /* + * shift register will be output to pins + */ + gpio_direction_output(IOX_STCP, 1); + + gpio_direction_output(IOX_OE, 1); +}; + +void iox74lv_set(int index) +{ + int i; + + gpio_direction_output(IOX_OE, 0); + + for (i = 7; i >= 0; i--) { + gpio_direction_output(IOX_SHCP, 0); + + if (i == index) + gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]); + else + gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]); + udelay(500); + gpio_direction_output(IOX_SHCP, 1); + udelay(500); + } + + gpio_direction_output(IOX_STCP, 0); + udelay(500); + /* + * shift register will be output to pins + */ + gpio_direction_output(IOX_STCP, 1); + + for (i = 7; i >= 0; i--) { + gpio_direction_output(IOX_SHCP, 0); + gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]); + udelay(500); + gpio_direction_output(IOX_SHCP, 1); + udelay(500); + } + + gpio_direction_output(IOX_STCP, 0); + udelay(500); + /* + * shift register will be output to pins + */ + gpio_direction_output(IOX_STCP, 1); + + gpio_direction_output(IOX_OE, 1); +}; + +#ifdef CONFIG_SYS_I2C_MXC +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +/* I2C1 for PMIC and EEPROM */ +struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_UART4_TX_DATA__I2C1_SCL | PC, + .gpio_mode = MX6_PAD_UART4_TX_DATA__GPIO1_IO28 | PC, + .gp = IMX_GPIO_NR(1, 28), + }, + .sda = { + .i2c_mode = MX6_PAD_UART4_RX_DATA__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_UART4_RX_DATA__GPIO1_IO29 | PC, + .gp = IMX_GPIO_NR(1, 29), + }, +}; +#endif + +int dram_init(void) +{ + gd->ram_size = PHYS_SDRAM_SIZE; + + return 0; +} + +static iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const usdhc1_pads[] = { + MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /* VSELECT */ + MX6_PAD_GPIO1_IO05__USDHC1_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL), + /* CD */ + MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* RST_B */ + MX6_PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +/* + * mx6ul_14x14_evk board default supports sd card. If want to use + * EMMC, need to do board rework for sd2. + * Introduce CONFIG_MX6UL_14X14_EVK_EMMC_REWORK, if sd2 reworked to support + * emmc, need to define this macro. + */ +#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK) +static iomux_v3_cfg_t const usdhc2_emmc_pads[] = { + MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /* + * RST_B + */ + MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; +#else +static iomux_v3_cfg_t const usdhc2_pads[] = { + MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +static iomux_v3_cfg_t const usdhc2_cd_pads[] = { + /* + * The evk board uses DAT3 to detect CD card plugin, + * in u-boot we mux the pin to GPIO when doing board_mmc_getcd. + */ + MX6_PAD_NAND_DATA03__GPIO4_IO05 | MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL), +}; + +static iomux_v3_cfg_t const usdhc2_dat3_pads[] = { + MX6_PAD_NAND_DATA03__USDHC2_DATA3 | + MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL), +}; +#endif + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +#ifdef CONFIG_FSL_QSPI + +#define QSPI_PAD_CTRL1 \ + (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \ + PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_60ohm) + +static iomux_v3_cfg_t const quadspi_pads[] = { + MX6_PAD_NAND_WP_B__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_NAND_READY_B__QSPI_A_DATA00 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_NAND_CE0_B__QSPI_A_DATA01 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_NAND_CE1_B__QSPI_A_DATA02 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_NAND_CLE__QSPI_A_DATA03 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), + MX6_PAD_NAND_DQS__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1), +}; + +int board_qspi_init(void) +{ + /* Set the iomux */ + imx_iomux_v3_setup_multiple_pads(quadspi_pads, + ARRAY_SIZE(quadspi_pads)); + /* Set the clock */ + enable_qspi_clk(0); + + return 0; +} +#endif + +#ifdef CONFIG_FSL_ESDHC +static struct fsl_esdhc_cfg usdhc_cfg[2] = { + {USDHC1_BASE_ADDR, 0, 4}, +#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK) + {USDHC2_BASE_ADDR, 0, 8}, +#else + {USDHC2_BASE_ADDR, 0, 4}, +#endif +}; + +#define USDHC1_CD_GPIO IMX_GPIO_NR(1, 19) +#define USDHC1_PWR_GPIO IMX_GPIO_NR(1, 9) +#define USDHC2_CD_GPIO IMX_GPIO_NR(4, 5) +#define USDHC2_PWR_GPIO IMX_GPIO_NR(4, 10) + +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: +#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK) + ret = 1; +#else + imx_iomux_v3_setup_multiple_pads(usdhc2_cd_pads, + ARRAY_SIZE(usdhc2_cd_pads)); + gpio_direction_input(USDHC2_CD_GPIO); + + /* + * Since it is the DAT3 pin, this pin is pulled to + * low voltage if no card + */ + ret = gpio_get_value(USDHC2_CD_GPIO); + + imx_iomux_v3_setup_multiple_pads(usdhc2_dat3_pads, + ARRAY_SIZE(usdhc2_dat3_pads)); +#endif + break; + } + + return ret; +} + +int board_mmc_init(bd_t *bis) +{ +#ifdef CONFIG_SPL_BUILD +#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK) + imx_iomux_v3_setup_multiple_pads(usdhc2_emmc_pads, + ARRAY_SIZE(usdhc2_emmc_pads)); +#else + imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); +#endif + gpio_direction_output(USDHC2_PWR_GPIO, 0); + udelay(500); + gpio_direction_output(USDHC2_PWR_GPIO, 1); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + return fsl_esdhc_initialize(bis, &usdhc_cfg[1]); +#else + 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: + imx_iomux_v3_setup_multiple_pads( + usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); + gpio_direction_input(USDHC1_CD_GPIO); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + + gpio_direction_output(USDHC1_PWR_GPIO, 0); + udelay(500); + gpio_direction_output(USDHC1_PWR_GPIO, 1); + break; + case 1: +#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK) + imx_iomux_v3_setup_multiple_pads( + usdhc2_emmc_pads, ARRAY_SIZE(usdhc2_emmc_pads)); +#else + imx_iomux_v3_setup_multiple_pads( + usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); +#endif + gpio_direction_output(USDHC2_PWR_GPIO, 0); + udelay(500); + gpio_direction_output(USDHC2_PWR_GPIO, 1); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + break; + default: + printf("Warning: you configured more USDHC controllers (%d) than supported by the board\n", i + 1); + return -EINVAL; + } + + ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); + if (ret) { + printf("Warning: failed to initialize mmc dev %d\n", i); + return ret; + } + } +#endif + return 0; +} +#endif + +#ifdef CONFIG_USB_EHCI_MX6 +#define USB_OTHERREGS_OFFSET 0x800 +#define UCTRL_PWR_POL (1 << 9) + +static iomux_v3_cfg_t const usb_otg_pads[] = { + MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +/* At default the 3v3 enables the MIC2026 for VBUS power */ +static void setup_usb(void) +{ + imx_iomux_v3_setup_multiple_pads(usb_otg_pads, + ARRAY_SIZE(usb_otg_pads)); +} + +int board_usb_phy_mode(int port) +{ + if (port == 1) + return USB_INIT_HOST; + else + return usb_phy_mode(port); +} + +int board_ehci_hcd_init(int port) +{ + u32 *usbnc_usb_ctrl; + + if (port > 1) + return -EINVAL; + + usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + + port * 4); + + /* Set Power polarity */ + setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); + + return 0; +} +#endif + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + imx_iomux_v3_setup_multiple_pads(iox_pads, ARRAY_SIZE(iox_pads)); + + iox74lv_init(); + +#ifdef CONFIG_SYS_I2C_MXC + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); +#endif + +#ifdef CONFIG_USB_EHCI_MX6 + setup_usb(); +#endif + +#ifdef CONFIG_FSL_QSPI + board_qspi_init(); +#endif + + return 0; +} + +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)}, + {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, + {"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +int board_late_init(void) +{ +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + + return 0; +} + +u32 get_board_rev(void) +{ + return get_cpu_rev(); +} + +int checkboard(void) +{ + puts("Board: MX6UL 14x14 EVK\n"); + + return 0; +} + +#ifdef CONFIG_SPL_BUILD +#include <libfdt.h> +#include <spl.h> +#include <asm/arch/mx6-ddr.h> + +const struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = { + .dram_dqm0 = 0x00000030, + .dram_dqm1 = 0x00000030, + .dram_ras = 0x00000030, + .dram_cas = 0x00000030, + .dram_odt0 = 0x00000030, + .dram_odt1 = 0x00000030, + .dram_sdba2 = 0x00000000, + .dram_sdclk_0 = 0x00000008, + .dram_sdqs0 = 0x00000038, + .dram_sdqs1 = 0x00000030, + .dram_reset = 0x00000030, +}; + +const struct mx6ul_iomux_grp_regs mx6_grp_ioregs = { + .grp_addds = 0x00000030, + .grp_ddrmode_ctl = 0x00020000, + .grp_b0ds = 0x00000030, + .grp_ctlds = 0x00000030, + .grp_b1ds = 0x00000030, + .grp_ddrpke = 0x00000000, + .grp_ddrmode = 0x00020000, + .grp_ddr_type = 0x000c0000, +}; + +const struct mx6_mmdc_calibration mx6_mmcd_calib = { + .p0_mpwldectrl0 = 0x00070007, + .p0_mpdgctrl0 = 0x41490145, + .p0_mprddlctl = 0x40404546, + .p0_mpwrdlctl = 0x4040524D, +}; + +static struct mx6_ddr3_cfg mem_ddr = { + .mem_speed = 800, + .density = 4, + .width = 16, + .banks = 8, + .rowaddr = 15, + .coladdr = 10, + .pagesz = 2, + .trcd = 1375, + .trcmin = 4875, + .trasmin = 3500, +}; + +static void ccgr_init(void) +{ + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + writel(0xFFFFFFFF, &ccm->CCGR0); + writel(0xFFFFFFFF, &ccm->CCGR1); + writel(0xFFFFFFFF, &ccm->CCGR2); + writel(0xFFFFFFFF, &ccm->CCGR3); + writel(0xFFFFFFFF, &ccm->CCGR4); + writel(0xFFFFFFFF, &ccm->CCGR5); + writel(0xFFFFFFFF, &ccm->CCGR6); + writel(0xFFFFFFFF, &ccm->CCGR7); +} + +static void spl_dram_init(void) +{ + struct mx6_ddr_sysinfo sysinfo = { + .dsize = 0, + .cs_density = 20, + .ncs = 1, + .cs1_mirror = 0, + .rtt_wr = 2, + .rtt_nom = 1, /* RTT_Nom = RZQ/2 */ + .walat = 1, /* Write additional latency */ + .ralat = 5, /* Read additional latency */ + .mif3_mode = 3, /* Command prediction working mode */ + .bi_on = 1, /* Bank interleaving enabled */ + .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ + .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ + }; + + mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); + mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr); +} + +void board_init_f(ulong dummy) +{ + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + ccgr_init(); + + /* iomux and setup of i2c */ + board_early_init_f(); + + /* setup GP timer */ + timer_init(); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + /* DDR initialization */ + spl_dram_init(); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + /* load/boot image from boot device */ + board_init_r(NULL, 0); +} + +void reset_cpu(ulong addr) +{ +} +#endif diff --git a/configs/mx6ul_14x14_evk_defconfig b/configs/mx6ul_14x14_evk_defconfig new file mode 100644 index 0000000..b6eefaf --- /dev/null +++ b/configs/mx6ul_14x14_evk_defconfig @@ -0,0 +1,4 @@ +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6UL" +CONFIG_ARM=y +CONFIG_TARGET_MX6UL_14X14_EVK=y +CONFIG_SPL=y diff --git a/include/configs/mx6ul_14x14_evk.h b/include/configs/mx6ul_14x14_evk.h new file mode 100644 index 0000000..436b022 --- /dev/null +++ b/include/configs/mx6ul_14x14_evk.h @@ -0,0 +1,227 @@ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * + * Configuration settings for the Freescale i.MX6UL 14x14 EVK board. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef __MX6UL_14X14_EVK_CONFIG_H +#define __MX6UL_14X14_EVK_CONFIG_H + + +#include <asm/arch/imx-regs.h> +#include <linux/sizes.h> +#include "mx6_common.h" +#include <asm/imx-common/gpio.h> + +/* SPL options */ +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_MMC_SUPPORT +#define CONFIG_SPL_FAT_SUPPORT +#include "imx6_spl.h" + +#define CONFIG_MX6 +#define CONFIG_ROM_UNIFIED_SECTIONS +#define CONFIG_SYS_GENERIC_BOARD +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (16 * SZ_1M) + +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_BOARD_LATE_INIT + +#define CONFIG_MXC_UART +#define CONFIG_MXC_UART_BASE UART1_BASE + +#define CONFIG_CMD_FUSE +#ifdef CONFIG_CMD_FUSE +#define CONFIG_MXC_OCOTP +#endif + +/* MMC Configs */ +#ifdef CONFIG_FSL_USDHC +#define CONFIG_SYS_FSL_ESDHC_ADDR USDHC2_BASE_ADDR + +/* NAND pin conflicts with usdhc2 */ +#ifdef CONFIG_NAND_MXS +#define CONFIG_SYS_FSL_USDHC_NUM 1 +#else +#define CONFIG_SYS_FSL_USDHC_NUM 2 +#endif + +#define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */ +#endif + +#undef CONFIG_BOOTM_NETBSD +#undef CONFIG_BOOTM_PLAN9 +#undef CONFIG_BOOTM_RTEMS + +#undef CONFIG_CMD_EXPORTENV +#undef CONFIG_CMD_IMPORTENV + +/* I2C configs */ +#define CONFIG_CMD_I2C +#ifdef CONFIG_CMD_I2C +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_MXC +#define CONFIG_SYS_I2C_SPEED 100000 +#endif + +#define PHYS_SDRAM_SIZE SZ_512M + +#undef CONFIG_CMD_IMLS + +#define CONFIG_SYS_MMC_IMG_LOAD_PART 1 + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "script=boot.scr\0" \ + "image=zImage\0" \ + "console=ttymxc0\0" \ + "fdt_high=0xffffffff\0" \ + "initrd_high=0xffffffff\0" \ + "fdt_file=imx6ul-14x14-evk.dtb\0" \ + "fdt_addr=0x83000000\0" \ + "boot_fdt=try\0" \ + "ip_dyn=yes\0" \ + "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \ + "mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \ + "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \ + "mmcautodetect=yes\0" \ + "mmcargs=setenv bootargs console=${console},${baudrate} " \ + "root=${mmcroot}\0" \ + "loadbootscript=" \ + "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ + "bootscript=echo Running bootscript from mmc ...; " \ + "source\0" \ + "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \ + "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ + "mmcboot=echo Booting from mmc ...; " \ + "run mmcargs; " \ + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ + "if run loadfdt; then " \ + "bootz ${loadaddr} - ${fdt_addr}; " \ + "else " \ + "if test ${boot_fdt} = try; then " \ + "bootz; " \ + "else " \ + "echo WARN: Cannot load the DT; " \ + "fi; " \ + "fi; " \ + "else " \ + "bootz; " \ + "fi;\0" \ + "netargs=setenv bootargs console=${console},${baudrate} " \ + "root=/dev/nfs " \ + "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ + "netboot=echo Booting from net ...; " \ + "run netargs; " \ + "if test ${ip_dyn} = yes; then " \ + "setenv get_cmd dhcp; " \ + "else " \ + "setenv get_cmd tftp; " \ + "fi; " \ + "${get_cmd} ${image}; " \ + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ + "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ + "bootz ${loadaddr} - ${fdt_addr}; " \ + "else " \ + "if test ${boot_fdt} = try; then " \ + "bootz; " \ + "else " \ + "echo WARN: Cannot load the DT; " \ + "fi; " \ + "fi; " \ + "else " \ + "bootz; " \ + "fi;\0" + +#define CONFIG_BOOTCOMMAND \ + "mmc dev ${mmcdev};" \ + "mmc dev ${mmcdev}; if mmc rescan; then " \ + "if run loadbootscript; then " \ + "run bootscript; " \ + "else " \ + "if run loadimage; then " \ + "run mmcboot; " \ + "else run netboot; " \ + "fi; " \ + "fi; " \ + "else run netboot; fi" + +/* Miscellaneous configurable options */ +#define CONFIG_SYS_PROMPT "=> " +/* Print Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) + +#define CONFIG_CMD_MEMTEST +#define CONFIG_SYS_MEMTEST_START 0x80000000 +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x10000000) + +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR +#define CONFIG_SYS_HZ 1000 + +#define CONFIG_CMDLINE_EDITING +#define CONFIG_STACKSIZE SZ_128K + +/* Physical Memory Map */ +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR + +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM +#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR +#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE + +#define CONFIG_SYS_INIT_SP_OFFSET \ + (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) + +/* FLASH and environment organization */ +#define CONFIG_SYS_NO_FLASH + +#define CONFIG_ENV_SIZE SZ_8K +#define CONFIG_ENV_IS_IN_MMC +#define CONFIG_ENV_OFFSET (8 * SZ_64K) +#define CONFIG_SYS_MMC_ENV_DEV 1 /* USDHC2 */ +#define CONFIG_SYS_MMC_ENV_PART 0 /* user area */ +#define CONFIG_MMCROOT "/dev/mmcblk1p2" /* USDHC2 */ + +#define CONFIG_OF_LIBFDT +#define CONFIG_CMD_BOOTZ +#define CONFIG_CMD_BMODE + +#ifndef CONFIG_SYS_DCACHE_OFF +#define CONFIG_CMD_CACHE +#endif + +#define CONFIG_FSL_QSPI +#ifdef CONFIG_FSL_QSPI +#define CONFIG_CMD_SF +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_STMICRO +#define CONFIG_SPI_FLASH_BAR +#define CONFIG_SF_DEFAULT_BUS 0 +#define CONFIG_SF_DEFAULT_CS 0 +#define CONFIG_SF_DEFAULT_SPEED 40000000 +#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 +#define FSL_QSPI_FLASH_NUM 1 +#define FSL_QSPI_FLASH_SIZE SZ_32M +#endif + +/* USB Configs */ +#define CONFIG_CMD_USB +#ifdef CONFIG_CMD_USB +#define CONFIG_USB_EHCI +#define CONFIG_USB_EHCI_MX6 +#define CONFIG_USB_STORAGE +#define CONFIG_EHCI_HCD_INIT_AFTER_RESET +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW) +#define CONFIG_MXC_USB_FLAGS 0 +#define CONFIG_USB_MAX_CONTROLLER_COUNT 2 +#endif + +#define CONFIG_IMX6_THERMAL + +#endif

[U-Boot,V2,15/15] imx: mx6ul_14x14_evk add basic board support

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Patch