diff options
Diffstat (limited to 'qemu/roms/u-boot/board/solidrun/hummingboard')
4 files changed, 257 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/solidrun/hummingboard/Makefile b/qemu/roms/u-boot/board/solidrun/hummingboard/Makefile new file mode 100644 index 000000000..042a2f076 --- /dev/null +++ b/qemu/roms/u-boot/board/solidrun/hummingboard/Makefile @@ -0,0 +1,9 @@ +# +# (C) Copyright 2013 Freescale Semiconductor, Inc. +# Copyright (C) 2013, Boundary Devices <info@boundarydevices.com> +# Copyright (C) 2013, Jon Nettleton <jon.nettleton@gmail.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := hummingboard.o diff --git a/qemu/roms/u-boot/board/solidrun/hummingboard/README b/qemu/roms/u-boot/board/solidrun/hummingboard/README new file mode 100644 index 000000000..cfd62d40b --- /dev/null +++ b/qemu/roms/u-boot/board/solidrun/hummingboard/README @@ -0,0 +1,40 @@ +U-Boot for SolidRun Hummingboard +-------------------------------- + +This file contains information for the port of U-Boot to the Hummingboard. + +For more details about Hummingboard, please refer to: +http://imx.solid-run.com/wiki/index.php?title=Carrier-One_Hardware + +(Carrier-One was the previous name of Hummingboard). + +Building U-boot for Hummingboard +-------------------------------- + +To build U-Boot for the Hummingboard Solo version: + +$ make hummingboard_solo_config +$ make + +Flashing U-boot into the SD card +-------------------------------- + +- After the 'make' command completes, the generated 'u-boot.imx' binary must be +flashed into the SD card: + +$ sudo dd if=u-boot.imx of=/dev/mmcblk0 bs=1k seek=1; sync + +(Note - the SD card node may vary, so adjust this as needed). + +Also, a more detailed explanation on how to format the SD card is available +at doc/README.imximage. + +- Insert the micro SD card into the slot located in the bottom of the board + +- Connect a 3.3V USB to serial converter cable to the host PC. The MX6 UART +signals are available in the 26 pin connector as shown at: +http://imx.solid-run.com/wiki/index.php?title=Carrier-One_Hardware +(Check for "26 pin header layout"). + +- Power up the board via USB cable (CON201) and U-boot messages will appear in +the serial console. diff --git a/qemu/roms/u-boot/board/solidrun/hummingboard/hummingboard.c b/qemu/roms/u-boot/board/solidrun/hummingboard/hummingboard.c new file mode 100644 index 000000000..2e2fb2a5b --- /dev/null +++ b/qemu/roms/u-boot/board/solidrun/hummingboard/hummingboard.c @@ -0,0 +1,183 @@ +/* + * Copyright (C) 2013 Freescale Semiconductor, Inc. + * Copyright (C) 2013 SolidRun ltd. + * Copyright (C) 2013 Jon Nettleton <jon.nettleton@gmail.com>. + * + * Authors: Fabio Estevam <fabio.estevam@freescale.com> + Jon Nettleton <jon.nettleton@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/errno.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/io.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <miiphy.h> +#include <netdev.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (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_PUS_47K_UP | \ + PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ + PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define USDHC_PAD_CLK_CTRL (PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | \ + PAD_CTL_HYS) + +#define USDHC_PAD_GPIO_CTRL (PAD_CTL_PUS_22K_UP | \ + PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \ + PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define ENET_PAD_CTRL_PD (PAD_CTL_PUS_100K_DOWN | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define ENET_PAD_CTRL_CLK ((PAD_CTL_PUS_100K_UP & ~PAD_CTL_PKE) | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define ETH_PHY_RESET IMX_GPIO_NR(4, 15) + +int dram_init(void) +{ + gd->ram_size = ((phys_size_t)CONFIG_DDR_MB * 1024 * 1024); + + return 0; +} + +static iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +static iomux_v3_cfg_t const usdhc2_pads[] = { + MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL), + MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_GPIO_4__SD2_CD_B | MUX_PAD_CTRL(USDHC_PAD_GPIO_CTRL), +}; + +#ifdef CONFIG_FSL_ESDHC +static struct fsl_esdhc_cfg usdhc_cfg[1] = { + { USDHC2_BASE_ADDR }, +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + return 1; /* SD card is the boot medium, so always present */ +} + +int board_mmc_init(bd_t *bis) +{ + imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +} +#endif + +#ifdef CONFIG_FEC_MXC +static iomux_v3_cfg_t const enet_pads[] = { + MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + /* AR8035 reset */ + MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD), + /* AR8035 interrupt */ + MX6_PAD_DI0_PIN2__GPIO4_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* GPIO16 -> AR8035 25MHz */ + MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), + /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */ + MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL_CLK), + MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD), + MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD), + MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL_PD), +}; + +static void setup_iomux_enet(void) +{ + imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); + + gpio_direction_output(ETH_PHY_RESET, 0); + mdelay(2); + gpio_set_value(ETH_PHY_RESET, 1); +} + +int board_phy_config(struct phy_device *phydev) +{ + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + struct iomuxc_base_regs *const iomuxc_regs = + (struct iomuxc_base_regs *)IOMUXC_BASE_ADDR; + + int ret = enable_fec_anatop_clock(ENET_25MHz); + if (ret) + return ret; + + /* set gpr1[ENET_CLK_SEL] */ + setbits_le32(&iomuxc_regs->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK); + + setup_iomux_enet(); + + return cpu_eth_init(bis); +} +#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; + + return 0; +} + +int checkboard(void) +{ + puts("Board: Hummingboard\n"); + + return 0; +} diff --git a/qemu/roms/u-boot/board/solidrun/hummingboard/solo.cfg b/qemu/roms/u-boot/board/solidrun/hummingboard/solo.cfg new file mode 100644 index 000000000..28dd75065 --- /dev/null +++ b/qemu/roms/u-boot/board/solidrun/hummingboard/solo.cfg @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2013 Boundary Devices + * Copyright (C) 2013 Jon Nettleton <jon.nettleton@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* image version */ +IMAGE_VERSION 2 + +/* + * Boot Device : one of + * spi, sd (the board has no nand neither onenand) + */ +BOOT_FROM sd + +#define __ASSEMBLY__ +#include <config.h> +#include "asm/arch/mx6-ddr.h" +#include "asm/arch/iomux.h" +#include "asm/arch/crm_regs.h" + +#include "../mx6-microsom/ddr-800mhz-32bit-setup.cfg" +#include "../mx6-microsom/800mhz_2x128mx16.cfg" +#include "../mx6-microsom/clocks.cfg" |