From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Fri, 03 Jan 2014 11:04:36 +0100 Subject: [U-Boot] [PATCH 1/2] mx6: Add initial support for the Hummingboard solo In-Reply-To: <1388684557-12121-1-git-send-email-festevam@gmail.com> References: <1388684557-12121-1-git-send-email-festevam@gmail.com> Message-ID: <52C68B34.8010900@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Fabio, On 02/01/2014 18:42, Fabio Estevam wrote: > From: Fabio Estevam > > SolidRun has designed the Hummingboard board based on mx6q/dl/solo. > > Add the initial support for the mx6 solo variant. > > More information about this hardware can be found at: > http://cubox-i.com/ > > Based on the work from Jon Nettleton . > > Signed-off-by: Jon Nettleton > Signed-off-by: Fabio Estevam > --- > Hi Stefano, > > I saw that you have just sent out a pull request, but I was wondering if this > one could also go to 2014.01 in case you are happy with it. Indeed - I will push only fixes for 2014.01. However, new board could flow before release into my -next branch. > board/solidrun/hummingboard/Makefile | 9 + > board/solidrun/hummingboard/README | 35 ++++ > board/solidrun/hummingboard/hummingboard.c | 232 +++++++++++++++++++++ > board/solidrun/hummingboard/hummingboard_solo.cfg | 25 +++ > board/solidrun/mx6-microsom/800mhz_2x128mx16.cfg | 74 +++++++ > board/solidrun/mx6-microsom/clocks.cfg | 33 +++ > .../mx6-microsom/ddr-800mhz-32bit-setup.cfg | 76 +++++++ > boards.cfg | 1 + > include/configs/hummingboard.h | 230 ++++++++++++++++++++ > 9 files changed, 715 insertions(+) > create mode 100644 board/solidrun/hummingboard/Makefile > create mode 100644 board/solidrun/hummingboard/README > create mode 100644 board/solidrun/hummingboard/hummingboard.c > create mode 100644 board/solidrun/hummingboard/hummingboard_solo.cfg > create mode 100644 board/solidrun/mx6-microsom/800mhz_2x128mx16.cfg > create mode 100644 board/solidrun/mx6-microsom/clocks.cfg > create mode 100644 board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg > create mode 100644 include/configs/hummingboard.h > > diff --git a/board/solidrun/hummingboard/Makefile b/board/solidrun/hummingboard/Makefile > new file mode 100644 > index 0000000..042a2f0 > --- /dev/null > +++ b/board/solidrun/hummingboard/Makefile > @@ -0,0 +1,9 @@ > +# > +# (C) Copyright 2013 Freescale Semiconductor, Inc. > +# Copyright (C) 2013, Boundary Devices > +# Copyright (C) 2013, Jon Nettleton > +# > +# SPDX-License-Identifier: GPL-2.0+ > +# > + > +obj-y := hummingboard.o > diff --git a/board/solidrun/hummingboard/README b/board/solidrun/hummingboard/README > new file mode 100644 > index 0000000..6d5be29 > --- /dev/null > +++ b/board/solidrun/hummingboard/README > @@ -0,0 +1,35 @@ > +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://cubox-i.com I read the pages, but it is misleading. cubox-i.com reports information only about the cubox-i, and this seems another hardware. I know this is not a problem of the patch, but maybe it is better to refer only to the wiki page http://imx.solid-run.com/wiki/index.php?title=Carrier-One_Hardware (I assume that Hummingbird = Carrier-One). > + > +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 This is the generic description valid for most iMXes. We have a better and detailed description in doc/README.imximage. I think we should add a reference to doc/README.imximage. > + > +(Note - the SD card node may vary, so adjust this as needed). > + > +- 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"). ok, this is clear. Maybe it will help if we add a warning to use a 3.3V converter to access the UART's pins. It is your choice: I think that the HW description on the site should be improved most as the documentation here, but some good hints cannot disturb ;-) > + > +- Power up the board via USB cable (CON201) and U-boot messages will appear in > +the serial console. > diff --git a/board/solidrun/hummingboard/hummingboard.c b/board/solidrun/hummingboard/hummingboard.c > new file mode 100644 > index 0000000..be2baad > --- /dev/null > +++ b/board/solidrun/hummingboard/hummingboard.c > @@ -0,0 +1,232 @@ > +/* > + * Copyright (C) 2013 Freescale Semiconductor, Inc. > + * Copyright (C) 2013 SolidRun ltd. > + * Copyright (C) 2013 Jon Nettleton . > + * > + * Authors: Fabio Estevam > + Jon Nettleton > + * > + * SPDX-License-Identifier: GPL-2.0+ > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +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); On the documentation, I read that the Carrier-One HW has 2GB RAM. http://imx.solid-run.com/wiki/index.php?title=Carrier-One_Hardware#Detailed_hardware_specification Why is only 512MB supported ? Or the solo has only 512MB and in the DUAl/QUAD 2GB ? > +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)); > + > + /* > + * Reset AR8035 PHY. Since it runs 25MHz reference clock, it > + * requires two resets. Only for my knowledge: why do we require twice in case of 25 Mhz source ? Where is it described ? > + */ > + gpio_direction_output(IMX_GPIO_NR(4, 15), 0); > + udelay(1000 * 2); > + gpio_set_value(IMX_GPIO_NR(4, 15), 1); > + udelay(1000 * 2); > + gpio_set_value(IMX_GPIO_NR(4, 15), 0); > + udelay(1000 * 2); > + gpio_set_value(IMX_GPIO_NR(4, 15), 1); > + udelay(1000 * 2); > +} > + > +int board_phy_config(struct phy_device *phydev) > +{ > + if (phydev->drv->config) > + phydev->drv->config(phydev); > + > + return 0; > +} > + > +int enable_fec_anatop_clock(void) Maybe static ? > +{ > + u32 reg = 0; > + s32 timeout = 100000; > + > + struct anatop_regs __iomem *anatop = > + (struct anatop_regs __iomem *)ANATOP_BASE_ADDR; > + > + reg = readl(&anatop->pll_enet); > + reg &= 0xfffffffc; /* Set PLL to generate 25MHz */ > + writel(reg, &anatop->pll_enet); > + if ((reg & BM_ANADIG_PLL_ENET_POWERDOWN) || > + (!(reg & BM_ANADIG_PLL_ENET_LOCK))) { > + reg &= ~BM_ANADIG_PLL_ENET_POWERDOWN; > + writel(reg, &anatop->pll_enet); > + while (timeout--) { > + if (readl(&anatop->pll_enet) & BM_ANADIG_PLL_ENET_LOCK) > + break; > + } > + if (timeout < 0) > + return -ETIMEDOUT; > + } > + /* Enable FEC clock */ > + reg |= BM_ANADIG_PLL_ENET_ENABLE; > + reg &= ~BM_ANADIG_PLL_ENET_BYPASS; > + writel(reg, &anatop->pll_enet); > + > + return 0; > +} We have enable_fec_anatop_clock() (same function with same name !) in arch/arm/cpu/armv7/mx6/clock.c. The function is *identical* with the exception that the first two bits of pll_enet are cleared reg &= 0xfffffffc; /* Set PLL to generate 25MHz */ We can sure avoid duplication, adding a function parameter to the original function. It is used by now only by mx6slevk board. > + > +int board_eth_init(bd_t *bis) > +{ > + int ret; > + struct iomuxc_base_regs *const iomuxc_regs = > + (struct iomuxc_base_regs *)IOMUXC_BASE_ADDR; > + struct anatop_regs __iomem *anatop = > + (struct anatop_regs __iomem *)ANATOP_BASE_ADDR; > + s32 timeout = 100000; > + > + enable_fec_anatop_clock(); > + /* set gpr1[21] */ > + clrsetbits_le32(&iomuxc_regs->gpr[1], 0, (1 << 21)); Change these two lines using defines (defines for GPR1 are missing in imx-regs.h, please add them). > + > + while (timeout--) { I think board_eth_init() is called after relocation, and then tiemrs are available. Sure that udelay does not work here ? > + if (readl(&anatop->pll_enet) & BM_ANADIG_PLL_ENET_LOCK) > + break; > + } It is not clear to me why we need this. The setup of the clock is done by enable_fec_anatop_clock(), why do we need to check again here ? > + > + setup_iomux_enet(); > + > + ret = cpu_eth_init(bis); > + if (ret) > + printf("FEC MXC: %s:failed\n", __func__); > + > + return ret; > +} > +#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/board/solidrun/hummingboard/hummingboard_solo.cfg b/board/solidrun/hummingboard/hummingboard_solo.cfg > new file mode 100644 > index 0000000..28dd750 > --- /dev/null > +++ b/board/solidrun/hummingboard/hummingboard_solo.cfg > @@ -0,0 +1,25 @@ > +/* > + * Copyright (C) 2013 Boundary Devices > + * Copyright (C) 2013 Jon Nettleton > + * > + * 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 > +#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" > diff --git a/board/solidrun/mx6-microsom/800mhz_2x128mx16.cfg b/board/solidrun/mx6-microsom/800mhz_2x128mx16.cfg > new file mode 100644 > index 0000000..40747ab > --- /dev/null > +++ b/board/solidrun/mx6-microsom/800mhz_2x128mx16.cfg > @@ -0,0 +1,74 @@ > +/* > + * Copyright (C) 2013 Boundary Devices > + * Copyright (C) 2013 SolidRun ltd. > + * Copyright (C) 2013 Jon Nettleton > + * > + * SPDX-License-Identifier: GPL-2.0+ > + */ > + > +/* ZQ Calibrations */ > +DATA 4, MX6_MMDC_P0_MPZQHWCTRL, 0xa1390003 > +DATA 4, MX6_MMDC_P1_MPZQHWCTRL, 0xa1390003 > +/* write leveling */ > +DATA 4, MX6_MMDC_P0_MPWLDECTRL0, 0x005a0057 > +DATA 4, MX6_MMDC_P0_MPWLDECTRL1, 0x004a0052 > +/* > + * DQS gating, read delay, write delay calibration values > + * based on calibration compare of 0x00ffff00 > + */ > +DATA 4, MX6_MMDC_P0_MPDGCTRL0, 0x02480240 > +DATA 4, MX6_MMDC_P0_MPDGCTRL1, 0x02340230 > +DATA 4, MX6_MMDC_P0_MPRDDLCTL, 0x40404440 > +DATA 4, MX6_MMDC_P0_MPWRDLCTL, 0x38343034 > +/* read data bit delay */ > +DATA 4, MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333 > +DATA 4, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333 > +DATA 4, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333 > +DATA 4, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333 > +/* Complete calibration by forced measurement */ > +DATA 4, MX6_MMDC_P0_MPMUR0, 0x00000800 > +DATA 4, MX6_MMDC_P1_MPMUR0, 0x00000800 > + > +/* > + * MMDC init: > + * in DDR3, 32-bit mode, only MMDC0 is initiated: > + */ > +DATA 4, MX6_MMDC_P0_MDPDC, 0x0002002d > +DATA 4, MX6_MMDC_P0_MDOTC, 0x00333040 > + > +DATA 4, MX6_MMDC_P0_MDCFG0, 0x3f435313 > +DATA 4, MX6_MMDC_P0_MDCFG1, 0xb66e8b63 > + > +DATA 4, MX6_MMDC_P0_MDCFG2, 0x01ff00db > +DATA 4, MX6_MMDC_P0_MDMISC, 0x00011740 > +DATA 4, MX6_MMDC_P0_MDSCR, 0x00008000 > +DATA 4, MX6_MMDC_P0_MDRWD, 0x000026d2 > +DATA 4, MX6_MMDC_P0_MDOR, 0x00431023 > +/* CS0_END - 0x2fffffff, 512M */ > +DATA 4, MX6_MMDC_P0_MDASP, 0x00000017 > + > +/* MMDC0_MAARCR ADOPT optimized priorities. Dyn jump disabled */ > +DATA 4, 0x021b0400, 0x11420000 > + > +/* MMDC0_MDCTL- row-14bits; col-10bits; burst length 8;32-bit data bus */ > +DATA 4, MX6_MMDC_P0_MDCTL, 0x83190000 > + > +/* > + * Initialize 2GB DDR3 - Hynix H5TQ2G63BFR-H9C > + * MR2 > + */ > +DATA 4, MX6_MMDC_P0_MDSCR, 0x00008032 > +/* MR3 */ > +DATA 4, MX6_MMDC_P0_MDSCR, 0x00008033 > +/* MR1 */ > +DATA 4, MX6_MMDC_P0_MDSCR, 0x00008031 > +/* MR0 */ > +DATA 4, MX6_MMDC_P0_MDSCR, 0x05208030 > +/* ZQ calibration */ > +DATA 4, MX6_MMDC_P0_MDSCR, 0x04008040 > +/* final DDR setup */ > +DATA 4, MX6_MMDC_P0_MDREF, 0x00007800 > +DATA 4, MX6_MMDC_P0_MPODTCTRL, 0x00000007 > +DATA 4, MX6_MMDC_P0_MDPDC, 0x0002556d > +DATA 4, MX6_MMDC_P0_MAPSR, 0x00011006 > +DATA 4, MX6_MMDC_P0_MDSCR, 0x00000000 > diff --git a/board/solidrun/mx6-microsom/clocks.cfg b/board/solidrun/mx6-microsom/clocks.cfg > new file mode 100644 > index 0000000..1288811 > --- /dev/null > +++ b/board/solidrun/mx6-microsom/clocks.cfg > @@ -0,0 +1,33 @@ > +/* > + * Copyright (C) 2013 Boundary Devices > + * Copyright (C) 2013 SolidRun ltd. > + * Copyright (C) 2013 Jon Nettleton > + * > + * SPDX-License-Identifier: GPL-2.0+ > + */ > + > +/* set the default clock gate to save power */ > +DATA 4, CCM_CCGR0, 0x00C03F3F > +DATA 4, CCM_CCGR1, 0x0030FC03 > +DATA 4, CCM_CCGR2, 0x0FFFC000 > +DATA 4, CCM_CCGR3, 0x3FF00000 > +DATA 4, CCM_CCGR4, 0x00FFF300 > +DATA 4, CCM_CCGR5, 0x0F0000C3 > +DATA 4, CCM_CCGR6, 0x000003FF > + > +/* enable AXI cache for VDOA/VPU/IPU */ > +DATA 4, MX6_IOMUXC_GPR4, 0xF00000CF > +/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ > +DATA 4, MX6_IOMUXC_GPR6, 0x007F007F > +DATA 4, MX6_IOMUXC_GPR7, 0x007F007F > + > +/* > + * Setup CCM_CCOSR register as follows: > + * > + * cko1_en = 1 --> CKO1 enabled > + * cko1_div = 111 --> divide by 8 > + * cko1_sel = 1011 --> ahb_clk_root > + * > + * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz > + */ > +DATA 4, CCM_CCOSR, 0x000000fb > diff --git a/board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg b/board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg > new file mode 100644 > index 0000000..f92fc19 > --- /dev/null > +++ b/board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg > @@ -0,0 +1,76 @@ > +/* > + * Copyright (C) 2013 Boundary Devices > + * Copyright (C) 2013 SolidRun ltd. > + * Copyright (C) 2013 Jon Nettleton > + * > + * SPDX-License-Identifier: GPL-2.0+ > + */ > + > +/* > + * DDR3 settings > + * MX6Q ddr is limited to 1066 Mhz currently 1056 MHz(528 MHz clock), > + * memory bus width: 64 bits x16/x32/x64 > + * MX6DL ddr is limited to 800 MHz(400 MHz clock) > + * memory bus width: 64 bits x16/x32/x64 > + * MX6SOLO ddr is limited to 800 MHz(400 MHz clock) > + * memory bus width: 32 bits x16/x32 > + */ > +/* DDR IO TYPE */ > +DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000c0000 > +DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000 > +/* Clock */ > +DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00000028 > +DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00000028 > +/* Address */ > +DATA 4, MX6_IOM_DRAM_CAS, 0x00000010 > +DATA 4, MX6_IOM_DRAM_RAS, 0x00000010 > +DATA 4, MX6_IOM_GRP_ADDDS, 0x00000010 > +/* Control */ > +DATA 4, MX6_IOM_DRAM_RESET, 0x00000010 > +DATA 4, MX6_IOM_DRAM_SDCKE0, 0x00003000 > +DATA 4, MX6_IOM_DRAM_SDCKE1, 0x00003000 > +DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000 > +DATA 4, MX6_IOM_DRAM_SDODT0, 0x00000010 > +DATA 4, MX6_IOM_DRAM_SDODT1, 0x00000010 > +DATA 4, MX6_IOM_GRP_CTLDS, 0x00000010 > + > +/* > + * Data Strobe: IOMUXC_SW_PAD_CTL_GRP_DDRMODE_CTL - DDR_INPUT=0, CMOS, > + * CMOS mode saves power, but have less timing margin in case of DDR > + * timing issue on your board you can try DDR_MODE: [= 0x00020000] > + */ > +DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000 > + > +DATA 4, MX6_IOM_DRAM_SDQS0, 0x00000028 > +DATA 4, MX6_IOM_DRAM_SDQS1, 0x00000028 > +DATA 4, MX6_IOM_DRAM_SDQS2, 0x00000028 > +DATA 4, MX6_IOM_DRAM_SDQS3, 0x00000028 > +DATA 4, MX6_IOM_DRAM_SDQS4, 0x00000000 > +DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000000 > +DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000000 > +DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000000 > + > +/* > + * DATA:IOMUXC_SW_PAD_CTL_GRP_DDRMODE - DDR_INPUT=0, CMOS, > + * CMOS mode saves power, but have less timing margin in case of DDR > + * timing issue on your board you can try DDR_MODE: [= 0x00020000] > + */ > +DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000 > + > +DATA 4, MX6_IOM_GRP_B0DS, 0x00000028 > +DATA 4, MX6_IOM_GRP_B1DS, 0x00000028 > +DATA 4, MX6_IOM_GRP_B2DS, 0x00000028 > +DATA 4, MX6_IOM_GRP_B3DS, 0x00000028 > +DATA 4, MX6_IOM_GRP_B4DS, 0x00000000 > +DATA 4, MX6_IOM_GRP_B5DS, 0x00000000 > +DATA 4, MX6_IOM_GRP_B6DS, 0x00000000 > +DATA 4, MX6_IOM_GRP_B7DS, 0x00000000 > + > +DATA 4, MX6_IOM_DRAM_DQM0, 0x00000028 > +DATA 4, MX6_IOM_DRAM_DQM1, 0x00000028 > +DATA 4, MX6_IOM_DRAM_DQM2, 0x00000028 > +DATA 4, MX6_IOM_DRAM_DQM3, 0x00000028 > +DATA 4, MX6_IOM_DRAM_DQM4, 0x00000000 > +DATA 4, MX6_IOM_DRAM_DQM5, 0x00000000 > +DATA 4, MX6_IOM_DRAM_DQM6, 0x00000000 > +DATA 4, MX6_IOM_DRAM_DQM7, 0x00000000 > diff --git a/boards.cfg b/boards.cfg > index 87740de..47bf053 100644 > --- a/boards.cfg > +++ b/boards.cfg > @@ -303,6 +303,7 @@ Active arm armv7 mx6 freescale mx6sabresd > Active arm armv7 mx6 freescale mx6sabresd mx6qsabresd mx6sabresd:IMX_CONFIG=board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg,MX6Q Fabio Estevam > Active arm armv7 mx6 freescale mx6slevk mx6slevk mx6slevk:IMX_CONFIG=board/freescale/mx6slevk/imximage.cfg,MX6SL Fabio Estevam > Active arm armv7 mx6 barco titanium titanium titanium:IMX_CONFIG=board/barco/titanium/imximage.cfg Stefan Roese > +Active arm armv7 mx6 solidrun hummingboard hummingboard_solo hummingboard:IMX_CONFIG=board/solidrun/hummingboard/hummingboard_solo.cfg,MX6S,DDR_MB=512 We need also the Maintainer's address, you or Jon. > Active arm armv7 omap3 - overo omap3_overo - Steve Sakoman > Active arm armv7 omap3 - pandora omap3_pandora - Grazvydas Ignotas > Active arm armv7 omap3 8dtech eco5pk eco5pk - Raphael Assenat > diff --git a/include/configs/hummingboard.h b/include/configs/hummingboard.h > new file mode 100644 > index 0000000..3757715 > --- /dev/null > +++ b/include/configs/hummingboard.h > @@ -0,0 +1,230 @@ > +/* > + * Copyright (C) 2013 Freescale Semiconductor, Inc. > + * Copyright (C) 2013 SolidRun ltd. > + * Copyright (C) 2013 Jon Nettleton > + * > + * Configuration settings for the SolidRun Hummingboard. > + * > + * SPDX-License-Identifier: GPL-2.0+ > + */ > + > +#ifndef __CONFIG_H > +#define __CONFIG_H > + > +#include "mx6_common.h" > +#include > +#include > +#include > + > +#define CONFIG_MX6 > +#define CONFIG_DISPLAY_CPUINFO > +#define CONFIG_DISPLAY_BOARDINFO > + > + > +#define MACH_TYPE_HUMMINGBOARD 4773 > +#define CONFIG_MACH_TYPE MACH_TYPE_HUMMINGBOARD You can drop CONFIG_MACH_TYPE if it is used only here. > + > +#define CONFIG_CMDLINE_TAG > +#define CONFIG_SETUP_MEMORY_TAGS > +#define CONFIG_INITRD_TAG > +#define CONFIG_REVISION_TAG > + > +/* Size of malloc() pool */ > +#define CONFIG_SYS_MALLOC_LEN (2 * SZ_1M) > + > +#define CONFIG_BOARD_EARLY_INIT_F > +#define CONFIG_MXC_GPIO > + > +#define CONFIG_MXC_UART > +#define CONFIG_MXC_UART_BASE UART1_BASE > + > +/* allow to overwrite serial and ethaddr */ > +#define CONFIG_ENV_OVERWRITE > +#define CONFIG_CONS_INDEX 1 > +#define CONFIG_BAUDRATE 115200 > + > +/* Command definition */ > +#include > + > +#undef CONFIG_CMD_IMLS > +#undef CONFIG_CMD_I2C > + > +#define CONFIG_CMD_BMODE > +#define CONFIG_CMD_SETEXPR > +#define CONFIG_CMD_MEMTEST > +#define CONFIG_BOOTDELAY 3 > + > +#define CONFIG_SYS_MEMTEST_START 0x10000000 > +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 500 * SZ_1M) > +#define CONFIG_LOADADDR 0x12000000 > +#define CONFIG_SYS_TEXT_BASE 0x17800000 > + > +/* MMC Configuration */ > +#define CONFIG_FSL_ESDHC > +#define CONFIG_FSL_USDHC > +#define CONFIG_SYS_FSL_USDHC_NUM 1 > +#define CONFIG_SYS_FSL_ESDHC_ADDR 0 > + > +#define CONFIG_MMC > +#define CONFIG_CMD_MMC > +#define CONFIG_GENERIC_MMC > +#define CONFIG_BOUNCE_BUFFER > +#define CONFIG_CMD_EXT2 > +#define CONFIG_CMD_FAT > +#define CONFIG_DOS_PARTITION > + > +/* Ethernet Configuration */ > +#define CONFIG_FEC_MXC > +#ifdef CONFIG_FEC_MXC > +#define CONFIG_CMD_PING > +#define CONFIG_CMD_DHCP > +#define CONFIG_CMD_MII > +#define CONFIG_CMD_NET > +#define CONFIG_FEC_MXC > +#define CONFIG_MII > +#define IMX_FEC_BASE ENET_BASE_ADDR > +#define CONFIG_FEC_XCV_TYPE RGMII > +#define CONFIG_ETHPRIME "FEC" Really required ? I do not see a second ethernet. > +#define CONFIG_FEC_MXC_PHYADDR 0 > +#define CONFIG_PHYLIB > +#define CONFIG_PHY_ATHEROS > +#endif > + > +#if defined(CONFIG_MX6S) > +#define CONFIG_DEFAULT_FDT_FILE "imx6dl-hummingboard.dtb" > +#endif > + > +#define CONFIG_EXTRA_ENV_SETTINGS \ > + "script=boot.scr\0" \ > + "uimage=uImage\0" \ > + "console=ttymxc0\0" \ > + "splashpos=m,m\0" \ > + "fdt_high=0xffffffff\0" \ > + "initrd_high=0xffffffff\0" \ > + "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \ > + "fdt_addr=0x18000000\0" \ > + "boot_fdt=try\0" \ > + "ip_dyn=yes\0" \ > + "mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \ > + "mmcpart=1\0" \ > + "mmcroot=/dev/mmcblk0p2 rootwait rw\0" \ > + "update_sd_firmware_filename=u-boot.imx\0" \ > + "update_sd_firmware=" \ > + "if test ${ip_dyn} = yes; then " \ > + "setenv get_cmd dhcp; " \ > + "else " \ > + "setenv get_cmd tftp; " \ > + "fi; " \ > + "if mmc dev ${mmcdev}; then " \ > + "if ${get_cmd} ${update_sd_firmware_filename}; then " \ > + "setexpr fw_sz ${filesize} / 0x200; " \ > + "setexpr fw_sz ${fw_sz} + 1; " \ > + "mmc write ${loadaddr} 0x2 ${fw_sz}; " \ > + "fi; " \ > + "fi\0" \ > + "mmcargs=setenv bootargs console=${console},${baudrate} " \ > + "root=${mmcroot}\0" \ > + "loadbootscript=" \ > + "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ > + "bootscript=echo Running bootscript from mmc ...; " \ > + "source\0" \ > + "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\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 " \ > + "bootm ${loadaddr} - ${fdt_addr}; " \ > + "else " \ > + "if test ${boot_fdt} = try; then " \ > + "bootm; " \ > + "else " \ > + "echo WARN: Cannot load the DT; " \ > + "fi; " \ > + "fi; " \ > + "else " \ > + "bootm; " \ > + "fi;\0" \ > + "netargs=setenv bootargs console=${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} ${uimage}; " \ > + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ > + "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ > + "bootm ${loadaddr} - ${fdt_addr}; " \ > + "else " \ > + "if test ${boot_fdt} = try; then " \ > + "bootm; " \ > + "else " \ > + "echo WARN: Cannot load the DT; " \ > + "fi; " \ > + "fi; " \ > + "else " \ > + "bootm; " \ > + "fi;\0" > + > +#define CONFIG_BOOTCOMMAND \ > + "mmc dev ${mmcdev}; if mmc rescan; then " \ > + "if run loadbootscript; then " \ > + "run bootscript; " \ > + "else " \ > + "if run loaduimage; then " \ > + "run mmcboot; " \ > + "else run netboot; " \ > + "fi; " \ > + "fi; " \ > + "else run netboot; fi" > + > +/* Miscellaneous configurable options */ > +#define CONFIG_SYS_LONGHELP > +#define CONFIG_SYS_HUSH_PARSER > +#define CONFIG_AUTO_COMPLETE > +#define CONFIG_SYS_CBSIZE 1024 > + > +/* Print Buffer Size */ > +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) > +#define CONFIG_SYS_MAXARGS 16 > +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE > + > +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR > +#define CONFIG_SYS_HZ 1000 > + > +#define CONFIG_CMDLINE_EDITING > + > +/* 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 (8 * 1024) > + > +#define CONFIG_ENV_IS_IN_MMC > +#define CONFIG_ENV_OFFSET (6 * 64 * 1024) > +#define CONFIG_SYS_MMC_ENV_DEV 0 > + > +#define CONFIG_OF_LIBFDT > +#define CONFIG_CMD_BOOTZ > + > +#ifndef CONFIG_SYS_DCACHE_OFF > +#define CONFIG_CMD_CACHE > +#endif > + > +#endif /* __CONFIG_H * */ > Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================