diff options
author | Minkyu Kang <mk7.kang@samsung.com> | 2014-10-07 19:14:03 +0900 |
---|---|---|
committer | Minkyu Kang <mk7.kang@samsung.com> | 2014-10-07 19:14:03 +0900 |
commit | 3cc83f9d08a80fddf4c1e8e766eff8273f30814c (patch) | |
tree | 831246a1b77d26d0296a84c90684e0fee0368737 /board/compulab | |
parent | 64f41212d880f3d00c6994d973aadeec5bda1b65 (diff) | |
parent | 6dd0e7c00bfa5ce861a72b8e4a3ef9e787306125 (diff) |
Merge branch 'uboot'
Diffstat (limited to 'board/compulab')
-rw-r--r-- | board/compulab/cm_fx6/Kconfig | 23 | ||||
-rw-r--r-- | board/compulab/cm_fx6/MAINTAINERS | 6 | ||||
-rw-r--r-- | board/compulab/cm_fx6/Makefile | 12 | ||||
-rw-r--r-- | board/compulab/cm_fx6/cm_fx6.c | 483 | ||||
-rw-r--r-- | board/compulab/cm_fx6/common.c | 84 | ||||
-rw-r--r-- | board/compulab/cm_fx6/common.h | 37 | ||||
-rw-r--r-- | board/compulab/cm_fx6/imximage.cfg | 8 | ||||
-rw-r--r-- | board/compulab/cm_fx6/spl.c | 366 | ||||
-rw-r--r-- | board/compulab/common/eeprom.c | 13 |
9 files changed, 1031 insertions, 1 deletions
diff --git a/board/compulab/cm_fx6/Kconfig b/board/compulab/cm_fx6/Kconfig new file mode 100644 index 0000000000..42a84380f2 --- /dev/null +++ b/board/compulab/cm_fx6/Kconfig @@ -0,0 +1,23 @@ +if TARGET_CM_FX6 + +config SYS_CPU + string + default "armv7" + +config SYS_BOARD + string + default "cm_fx6" + +config SYS_VENDOR + string + default "compulab" + +config SYS_SOC + string + default "mx6" + +config SYS_CONFIG_NAME + string + default "cm_fx6" + +endif diff --git a/board/compulab/cm_fx6/MAINTAINERS b/board/compulab/cm_fx6/MAINTAINERS new file mode 100644 index 0000000000..5b2623a664 --- /dev/null +++ b/board/compulab/cm_fx6/MAINTAINERS @@ -0,0 +1,6 @@ +CM_FX6 BOARD +M: Nikita Kiryanov <nikita@compulab.co.il> +S: Maintained +F: board/compulab/cm_fx6/ +F: include/configs/cm_fx6.h +F: configs/cm_fx6_defconfig diff --git a/board/compulab/cm_fx6/Makefile b/board/compulab/cm_fx6/Makefile new file mode 100644 index 0000000000..3e5c9034df --- /dev/null +++ b/board/compulab/cm_fx6/Makefile @@ -0,0 +1,12 @@ +# +# (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il> +# +# Authors: Nikita Kiryanov <nikita@compulab.co.il> +# +# SPDX-License-Identifier: GPL-2.0+ +# +ifdef CONFIG_SPL_BUILD +obj-y = common.o spl.o +else +obj-y = common.o cm_fx6.o +endif diff --git a/board/compulab/cm_fx6/cm_fx6.c b/board/compulab/cm_fx6/cm_fx6.c new file mode 100644 index 0000000000..fdb8ebf9e7 --- /dev/null +++ b/board/compulab/cm_fx6/cm_fx6.c @@ -0,0 +1,483 @@ +/* + * Board functions for Compulab CM-FX6 board + * + * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ + * + * Author: Nikita Kiryanov <nikita@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <fsl_esdhc.h> +#include <miiphy.h> +#include <netdev.h> +#include <fdt_support.h> +#include <sata.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/iomux.h> +#include <asm/imx-common/mxc_i2c.h> +#include <asm/imx-common/sata.h> +#include <asm/io.h> +#include <asm/gpio.h> +#include "common.h" +#include "../common/eeprom.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_DWC_AHSATA +static int cm_fx6_issd_gpios[] = { + /* The order of the GPIOs in the array is important! */ + CM_FX6_SATA_PHY_SLP, + CM_FX6_SATA_NRSTDLY, + CM_FX6_SATA_PWREN, + CM_FX6_SATA_NSTANDBY1, + CM_FX6_SATA_NSTANDBY2, + CM_FX6_SATA_LDO_EN, +}; + +static void cm_fx6_sata_power(int on) +{ + int i; + + if (!on) { /* tell the iSSD that the power will be removed */ + gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 1); + mdelay(10); + } + + for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) { + gpio_direction_output(cm_fx6_issd_gpios[i], on); + udelay(100); + } + + if (!on) /* for compatibility lower the power loss interrupt */ + gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0); +} + +static iomux_v3_cfg_t const sata_pads[] = { + /* SATA PWR */ + IOMUX_PADS(PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_A22__GPIO2_IO16 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)), + /* SATA CTRL */ + IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D23__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static void cm_fx6_setup_issd(void) +{ + SETUP_IOMUX_PADS(sata_pads); + /* Make sure this gpio has logical 0 value */ + gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0); + udelay(100); + + cm_fx6_sata_power(0); + mdelay(250); + cm_fx6_sata_power(1); +} + +#define CM_FX6_SATA_INIT_RETRIES 10 +int sata_initialize(void) +{ + int err, i; + + cm_fx6_setup_issd(); + for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) { + err = setup_sata(); + if (err) { + printf("SATA setup failed: %d\n", err); + return err; + } + + udelay(100); + + err = __sata_initialize(); + if (!err) + break; + + /* There is no device on the SATA port */ + if (sata_port_status(0, 0) == 0) + break; + + /* There's a device, but link not established. Retry */ + } + + return err; +} +#endif + +#ifdef CONFIG_SYS_I2C_MXC +#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE | PAD_CTL_SRE_FAST) + +I2C_PADS(i2c0_pads, + PAD_EIM_D21__I2C1_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_EIM_D21__GPIO3_IO21 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(3, 21), + PAD_EIM_D28__I2C1_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(3, 28)); + +I2C_PADS(i2c1_pads, + PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_KEY_COL3__GPIO4_IO12 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(4, 12), + PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(4, 13)); + +I2C_PADS(i2c2_pads, + PAD_GPIO_3__I2C3_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(1, 3), + PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(1, 6)); + + +static void cm_fx6_setup_i2c(void) +{ + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, I2C_PADS_INFO(i2c0_pads)); + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, I2C_PADS_INFO(i2c1_pads)); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, I2C_PADS_INFO(i2c2_pads)); +} +#else +static void cm_fx6_setup_i2c(void) { } +#endif + +#ifdef CONFIG_USB_EHCI_MX6 +#define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ + PAD_CTL_HYS | PAD_CTL_SRE_SLOW) + +static int cm_fx6_usb_hub_reset(void) +{ + int err; + + err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst"); + if (err) { + printf("USB hub rst gpio request failed: %d\n", err); + return -1; + } + + SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL)); + gpio_direction_output(CM_FX6_USB_HUB_RST, 0); + udelay(10); + gpio_direction_output(CM_FX6_USB_HUB_RST, 1); + mdelay(1); + + return 0; +} + +static int cm_fx6_init_usb_otg(void) +{ + int ret; + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + ret = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr"); + if (ret) { + printf("USB OTG pwr gpio request failed: %d\n", ret); + return ret; + } + + SETUP_IOMUX_PAD(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL)); + SETUP_IOMUX_PAD(PAD_ENET_RX_ER__USB_OTG_ID | + MUX_PAD_CTRL(WEAK_PULLDOWN)); + clrbits_le32(&iomux->gpr[1], IOMUXC_GPR1_OTG_ID_MASK); + /* disable ext. charger detect, or it'll affect signal quality at dp. */ + return gpio_direction_output(SB_FX6_USB_OTG_PWR, 0); +} + +#define MX6_USBNC_BASEADDR 0x2184800 +#define USBNC_USB_H1_PWR_POL (1 << 9) +int board_ehci_hcd_init(int port) +{ + u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4); + + switch (port) { + case 0: + return cm_fx6_init_usb_otg(); + case 1: + SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | + MUX_PAD_CTRL(NO_PAD_CTRL)); + + /* Set PWR polarity to match power switch's enable polarity */ + setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL); + return cm_fx6_usb_hub_reset(); + default: + break; + } + + return 0; +} + +int board_ehci_power(int port, int on) +{ + if (port == 0) + return gpio_direction_output(SB_FX6_USB_OTG_PWR, on); + + return 0; +} +#endif + +#ifdef CONFIG_FEC_MXC +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +static int mx6_rgmii_rework(struct phy_device *phydev) +{ + unsigned short val; + + /* Ar8031 phy SmartEEE feature cause link status generates glitch, + * which cause ethernet link down/up issue, so disable SmartEEE + */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x3); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x805d); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4003); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= ~(0x1 << 8); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); + + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= 0xffe3; + val |= 0x18; + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* introduce tx clock delay */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); + val |= 0x0100; + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + mx6_rgmii_rework(phydev); + + if (phydev->drv->config) + return phydev->drv->config(phydev); + + return 0; +} + +static iomux_v3_cfg_t const enet_pads[] = { + IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_GPIO_0__CCM_CLKO1 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_GPIO_3__CCM_CLKO2 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(0x84)), + IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | + MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | + MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | + MUX_PAD_CTRL(ENET_PAD_CTRL)), +}; + +static int handle_mac_address(void) +{ + unsigned char enetaddr[6]; + int rc; + + rc = eth_getenv_enetaddr("ethaddr", enetaddr); + if (rc) + return 0; + + rc = cl_eeprom_read_mac_addr(enetaddr); + if (rc) + return rc; + + if (!is_valid_ether_addr(enetaddr)) + return -1; + + return eth_setenv_enetaddr("ethaddr", enetaddr); +} + +int board_eth_init(bd_t *bis) +{ + int res = handle_mac_address(); + if (res) + puts("No MAC address found\n"); + + SETUP_IOMUX_PADS(enet_pads); + /* phy reset */ + gpio_direction_output(CM_FX6_ENET_NRST, 0); + udelay(500); + gpio_set_value(CM_FX6_ENET_NRST, 1); + enable_enet_clk(1); + return cpu_eth_init(bis); +} +#endif + +#ifdef CONFIG_NAND_MXS +static iomux_v3_cfg_t const nand_pads[] = { + IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static void cm_fx6_setup_gpmi_nand(void) +{ + SETUP_IOMUX_PADS(nand_pads); + /* Enable clock roots */ + enable_usdhc_clk(1, 3); + enable_usdhc_clk(1, 4); + + setup_gpmi_io_clk(MXC_CCM_CS2CDR_ENFC_CLK_PODF(0xf) | + MXC_CCM_CS2CDR_ENFC_CLK_PRED(1) | + MXC_CCM_CS2CDR_ENFC_CLK_SEL(0)); +} +#else +static void cm_fx6_setup_gpmi_nand(void) {} +#endif + +#ifdef CONFIG_FSL_ESDHC +static struct fsl_esdhc_cfg usdhc_cfg[3] = { + {USDHC1_BASE_ADDR}, + {USDHC2_BASE_ADDR}, + {USDHC3_BASE_ADDR}, +}; + +static enum mxc_clock usdhc_clk[3] = { + MXC_ESDHC_CLK, + MXC_ESDHC2_CLK, + MXC_ESDHC3_CLK, +}; + +int board_mmc_init(bd_t *bis) +{ + int i; + + cm_fx6_set_usdhc_iomux(); + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { + usdhc_cfg[i].sdhc_clk = mxc_get_clock(usdhc_clk[i]); + usdhc_cfg[i].max_bus_width = 4; + fsl_esdhc_initialize(bis, &usdhc_cfg[i]); + enable_usdhc_clk(1, i); + } + + return 0; +} +#endif + +#ifdef CONFIG_OF_BOARD_SETUP +void ft_board_setup(void *blob, bd_t *bd) +{ + uint8_t enetaddr[6]; + + /* MAC addr */ + if (eth_getenv_enetaddr("ethaddr", enetaddr)) { + fdt_find_and_setprop(blob, "/fec", "local-mac-address", + enetaddr, 6, 1); + } +} +#endif + +int board_init(void) +{ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + cm_fx6_setup_gpmi_nand(); + cm_fx6_setup_i2c(); + + return 0; +} + +int checkboard(void) +{ + puts("Board: CM-FX6\n"); + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + + switch (gd->ram_size) { + case 0x10000000: /* DDR_16BIT_256MB */ + gd->bd->bi_dram[0].size = 0x10000000; + gd->bd->bi_dram[1].size = 0; + break; + case 0x20000000: /* DDR_32BIT_512MB */ + gd->bd->bi_dram[0].size = 0x20000000; + gd->bd->bi_dram[1].size = 0; + break; + case 0x40000000: + if (is_cpu_type(MXC_CPU_MX6SOLO)) { /* DDR_32BIT_1GB */ + gd->bd->bi_dram[0].size = 0x20000000; + gd->bd->bi_dram[1].size = 0x20000000; + } else { /* DDR_64BIT_1GB */ + gd->bd->bi_dram[0].size = 0x40000000; + gd->bd->bi_dram[1].size = 0; + } + break; + case 0x80000000: /* DDR_64BIT_2GB */ + gd->bd->bi_dram[0].size = 0x40000000; + gd->bd->bi_dram[1].size = 0x40000000; + break; + case 0xEFF00000: /* DDR_64BIT_4GB */ + gd->bd->bi_dram[0].size = 0x70000000; + gd->bd->bi_dram[1].size = 0x7FF00000; + break; + } +} + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + switch (gd->ram_size) { + case 0x10000000: + case 0x20000000: + case 0x40000000: + case 0x80000000: + break; + case 0xF0000000: + gd->ram_size -= 0x100000; + break; + default: + printf("ERROR: Unsupported DRAM size 0x%lx\n", gd->ram_size); + return -1; + } + + return 0; +} + +u32 get_board_rev(void) +{ + return cl_eeprom_get_board_rev(); +} + diff --git a/board/compulab/cm_fx6/common.c b/board/compulab/cm_fx6/common.c new file mode 100644 index 0000000000..1f3967995f --- /dev/null +++ b/board/compulab/cm_fx6/common.c @@ -0,0 +1,84 @@ +/* + * Code used by both U-Boot and SPL for Compulab CM-FX6 + * + * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ + * + * Author: Nikita Kiryanov <nikita@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <fsl_esdhc.h> +#include "common.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_FSL_ESDHC +#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ + PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ + PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +static iomux_v3_cfg_t const usdhc_pads[] = { + IOMUX_PADS(PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + + IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + + IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), +}; + +void cm_fx6_set_usdhc_iomux(void) +{ + SETUP_IOMUX_PADS(usdhc_pads); +} + +/* CINS bit doesn't work, so always try to access the MMC card */ +int board_mmc_getcd(struct mmc *mmc) +{ + return 1; +} +#endif + +#ifdef CONFIG_MXC_SPI +#define ECSPI_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \ + PAD_CTL_PUS_100K_DOWN | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +static iomux_v3_cfg_t const ecspi_pads[] = { + IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(ECSPI_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(ECSPI_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(ECSPI_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(ECSPI_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D19__ECSPI1_SS1 | MUX_PAD_CTRL(ECSPI_PAD_CTRL)), +}; + +void cm_fx6_set_ecspi_iomux(void) +{ + SETUP_IOMUX_PADS(ecspi_pads); +} + +int board_spi_cs_gpio(unsigned bus, unsigned cs) +{ + return (bus == 0 && cs == 0) ? (CM_FX6_ECSPI_BUS0_CS0) : -1; +} +#endif diff --git a/board/compulab/cm_fx6/common.h b/board/compulab/cm_fx6/common.h new file mode 100644 index 0000000000..76097f80af --- /dev/null +++ b/board/compulab/cm_fx6/common.h @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ + * + * Author: Nikita Kiryanov <nikita@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/mx6-pins.h> +#include <asm/arch/clock.h> + +#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 CM_FX6_ECSPI_BUS0_CS0 IMX_GPIO_NR(2, 30) +#define CM_FX6_GREEN_LED IMX_GPIO_NR(2, 31) +#define CM_FX6_ENET_NRST IMX_GPIO_NR(2, 8) +#define CM_FX6_ENET_NRST IMX_GPIO_NR(2, 8) +#define CM_FX6_USB_HUB_RST IMX_GPIO_NR(7, 8) +#define SB_FX6_USB_OTG_PWR IMX_GPIO_NR(3, 22) +#define CM_FX6_ENET_NRST IMX_GPIO_NR(2, 8) +#define CM_FX6_USB_HUB_RST IMX_GPIO_NR(7, 8) +#define SB_FX6_USB_OTG_PWR IMX_GPIO_NR(3, 22) +#define CM_FX6_SATA_PWREN IMX_GPIO_NR(1, 28) +#define CM_FX6_SATA_VDDC_CTRL IMX_GPIO_NR(1, 30) +#define CM_FX6_SATA_LDO_EN IMX_GPIO_NR(2, 16) +#define CM_FX6_SATA_NSTANDBY1 IMX_GPIO_NR(3, 20) +#define CM_FX6_SATA_PHY_SLP IMX_GPIO_NR(3, 23) +#define CM_FX6_SATA_STBY_REQ IMX_GPIO_NR(3, 29) +#define CM_FX6_SATA_NSTANDBY2 IMX_GPIO_NR(5, 2) +#define CM_FX6_SATA_NRSTDLY IMX_GPIO_NR(6, 6) +#define CM_FX6_SATA_PWLOSS_INT IMX_GPIO_NR(6, 31) + + +void cm_fx6_set_usdhc_iomux(void); +void cm_fx6_set_ecspi_iomux(void); diff --git a/board/compulab/cm_fx6/imximage.cfg b/board/compulab/cm_fx6/imximage.cfg new file mode 100644 index 0000000000..420947e9ca --- /dev/null +++ b/board/compulab/cm_fx6/imximage.cfg @@ -0,0 +1,8 @@ +/* + * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +IMAGE_VERSION 2 +BOOT_FROM sd diff --git a/board/compulab/cm_fx6/spl.c b/board/compulab/cm_fx6/spl.c new file mode 100644 index 0000000000..3948ba23ae --- /dev/null +++ b/board/compulab/cm_fx6/spl.c @@ -0,0 +1,366 @@ +/* + * SPL specific code for Compulab CM-FX6 board + * + * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ + * + * Author: Nikita Kiryanov <nikita@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spl.h> +#include <asm/io.h> +#include <asm/gpio.h> +#include <asm/arch/mx6-ddr.h> +#include <asm/arch/clock.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/crm_regs.h> +#include <asm/imx-common/iomux-v3.h> +#include <fsl_esdhc.h> +#include "common.h" + +DECLARE_GLOBAL_DATA_PTR; + +enum ddr_config { + DDR_16BIT_256MB, + DDR_32BIT_512MB, + DDR_32BIT_1GB, + DDR_64BIT_1GB, + DDR_64BIT_2GB, + DDR_64BIT_4GB, + DDR_UNKNOWN, +}; + +/* + * Below DRAM_RESET[DDR_SEL] = 0 which is incorrect according to + * Freescale QRM, but this is exactly the value used by the automatic + * calibration script and it works also in all our tests, so we leave + * it as is at this point. + */ +#define CM_FX6_DDR_IOMUX_CFG \ + .dram_sdqs0 = 0x00000038, \ + .dram_sdqs1 = 0x00000038, \ + .dram_sdqs2 = 0x00000038, \ + .dram_sdqs3 = 0x00000038, \ + .dram_sdqs4 = 0x00000038, \ + .dram_sdqs5 = 0x00000038, \ + .dram_sdqs6 = 0x00000038, \ + .dram_sdqs7 = 0x00000038, \ + .dram_dqm0 = 0x00000038, \ + .dram_dqm1 = 0x00000038, \ + .dram_dqm2 = 0x00000038, \ + .dram_dqm3 = 0x00000038, \ + .dram_dqm4 = 0x00000038, \ + .dram_dqm5 = 0x00000038, \ + .dram_dqm6 = 0x00000038, \ + .dram_dqm7 = 0x00000038, \ + .dram_cas = 0x00000038, \ + .dram_ras = 0x00000038, \ + .dram_sdclk_0 = 0x00000038, \ + .dram_sdclk_1 = 0x00000038, \ + .dram_sdcke0 = 0x00003000, \ + .dram_sdcke1 = 0x00003000, \ + .dram_reset = 0x00000038, \ + .dram_sdba2 = 0x00000000, \ + .dram_sdodt0 = 0x00000038, \ + .dram_sdodt1 = 0x00000038, + +#define CM_FX6_GPR_IOMUX_CFG \ + .grp_b0ds = 0x00000038, \ + .grp_b1ds = 0x00000038, \ + .grp_b2ds = 0x00000038, \ + .grp_b3ds = 0x00000038, \ + .grp_b4ds = 0x00000038, \ + .grp_b5ds = 0x00000038, \ + .grp_b6ds = 0x00000038, \ + .grp_b7ds = 0x00000038, \ + .grp_addds = 0x00000038, \ + .grp_ddrmode_ctl = 0x00020000, \ + .grp_ddrpke = 0x00000000, \ + .grp_ddrmode = 0x00020000, \ + .grp_ctlds = 0x00000038, \ + .grp_ddr_type = 0x000C0000, + +static struct mx6sdl_iomux_ddr_regs ddr_iomux_s = { CM_FX6_DDR_IOMUX_CFG }; +static struct mx6sdl_iomux_grp_regs grp_iomux_s = { CM_FX6_GPR_IOMUX_CFG }; +static struct mx6dq_iomux_ddr_regs ddr_iomux_q = { CM_FX6_DDR_IOMUX_CFG }; +static struct mx6dq_iomux_grp_regs grp_iomux_q = { CM_FX6_GPR_IOMUX_CFG }; + +static struct mx6_mmdc_calibration cm_fx6_calib_s = { + .p0_mpwldectrl0 = 0x005B0061, + .p0_mpwldectrl1 = 0x004F0055, + .p0_mpdgctrl0 = 0x0314030C, + .p0_mpdgctrl1 = 0x025C0268, + .p0_mprddlctl = 0x42464646, + .p0_mpwrdlctl = 0x36322C34, +}; + +static struct mx6_ddr_sysinfo cm_fx6_sysinfo_s = { + .cs1_mirror = 1, + .cs_density = 16, + .bi_on = 1, + .rtt_nom = 1, + .rtt_wr = 0, + .ralat = 5, + .walat = 1, + .mif3_mode = 3, + .rst_to_cke = 0x23, + .sde_to_rst = 0x10, +}; + +static struct mx6_ddr3_cfg cm_fx6_ddr3_cfg_s = { + .mem_speed = 800, + .density = 4, + .rowaddr = 14, + .coladdr = 10, + .pagesz = 2, + .trcd = 1800, + .trcmin = 5200, + .trasmin = 3600, + .SRT = 0, +}; + +static void spl_mx6s_dram_init(enum ddr_config dram_config, bool reset) +{ + if (reset) + ((struct mmdc_p_regs *)MX6_MMDC_P0_MDCTL)->mdmisc = 2; + + switch (dram_config) { + case DDR_16BIT_256MB: + cm_fx6_sysinfo_s.dsize = 0; + cm_fx6_sysinfo_s.ncs = 1; + break; + case DDR_32BIT_512MB: + cm_fx6_sysinfo_s.dsize = 1; + cm_fx6_sysinfo_s.ncs = 1; + break; + case DDR_32BIT_1GB: + cm_fx6_sysinfo_s.dsize = 1; + cm_fx6_sysinfo_s.ncs = 2; + break; + default: + puts("Tried to setup invalid DDR configuration\n"); + hang(); + } + + mx6_dram_cfg(&cm_fx6_sysinfo_s, &cm_fx6_calib_s, &cm_fx6_ddr3_cfg_s); + udelay(100); +} + +static struct mx6_mmdc_calibration cm_fx6_calib_q = { + .p0_mpwldectrl0 = 0x00630068, + .p0_mpwldectrl1 = 0x0068005D, + .p0_mpdgctrl0 = 0x04140428, + .p0_mpdgctrl1 = 0x037C037C, + .p0_mprddlctl = 0x3C30303A, + .p0_mpwrdlctl = 0x3A344038, + .p1_mpwldectrl0 = 0x0035004C, + .p1_mpwldectrl1 = 0x00170026, + .p1_mpdgctrl0 = 0x0374037C, + .p1_mpdgctrl1 = 0x0350032C, + .p1_mprddlctl = 0x30322A3C, + .p1_mpwrdlctl = 0x48304A3E, +}; + +static struct mx6_ddr_sysinfo cm_fx6_sysinfo_q = { + .cs_density = 16, + .cs1_mirror = 1, + .bi_on = 1, + .rtt_nom = 1, + .rtt_wr = 0, + .ralat = 5, + .walat = 1, + .mif3_mode = 3, + .rst_to_cke = 0x23, + .sde_to_rst = 0x10, +}; + +static struct mx6_ddr3_cfg cm_fx6_ddr3_cfg_q = { + .mem_speed = 1066, + .density = 4, + .rowaddr = 14, + .coladdr = 10, + .pagesz = 2, + .trcd = 1324, + .trcmin = 59500, + .trasmin = 9750, + .SRT = 0, +}; + +static void spl_mx6q_dram_init(enum ddr_config dram_config, bool reset) +{ + if (reset) + ((struct mmdc_p_regs *)MX6_MMDC_P0_MDCTL)->mdmisc = 2; + + cm_fx6_ddr3_cfg_q.rowaddr = 14; + switch (dram_config) { + case DDR_16BIT_256MB: + cm_fx6_sysinfo_q.dsize = 0; + cm_fx6_sysinfo_q.ncs = 1; + break; + case DDR_32BIT_512MB: + cm_fx6_sysinfo_q.dsize = 1; + cm_fx6_sysinfo_q.ncs = 1; + break; + case DDR_64BIT_1GB: + cm_fx6_sysinfo_q.dsize = 2; + cm_fx6_sysinfo_q.ncs = 1; + break; + case DDR_64BIT_2GB: + cm_fx6_sysinfo_q.dsize = 2; + cm_fx6_sysinfo_q.ncs = 2; + break; + case DDR_64BIT_4GB: + cm_fx6_sysinfo_q.dsize = 2; + cm_fx6_sysinfo_q.ncs = 2; + cm_fx6_ddr3_cfg_q.rowaddr = 15; + break; + default: + puts("Tried to setup invalid DDR configuration\n"); + hang(); + } + + mx6_dram_cfg(&cm_fx6_sysinfo_q, &cm_fx6_calib_q, &cm_fx6_ddr3_cfg_q); + udelay(100); +} + +static int cm_fx6_spl_dram_init(void) +{ + unsigned long bank1_size, bank2_size; + + switch (get_cpu_type()) { + case MXC_CPU_MX6SOLO: + mx6sdl_dram_iocfg(64, &ddr_iomux_s, &grp_iomux_s); + + spl_mx6s_dram_init(DDR_32BIT_1GB, false); + bank1_size = get_ram_size((long int *)PHYS_SDRAM_1, 0x80000000); + if (bank1_size == 0x40000000) + return 0; + + if (bank1_size == 0x20000000) { + spl_mx6s_dram_init(DDR_32BIT_512MB, true); + return 0; + } + + spl_mx6s_dram_init(DDR_16BIT_256MB, true); + bank1_size = get_ram_size((long int *)PHYS_SDRAM_1, 0x80000000); + if (bank1_size == 0x10000000) + return 0; + + break; + case MXC_CPU_MX6D: + case MXC_CPU_MX6Q: + mx6dq_dram_iocfg(64, &ddr_iomux_q, &grp_iomux_q); + + spl_mx6q_dram_init(DDR_64BIT_4GB, false); + bank1_size = get_ram_size((long int *)PHYS_SDRAM_1, 0x80000000); + if (bank1_size == 0x80000000) + return 0; + + if (bank1_size == 0x40000000) { + bank2_size = get_ram_size((long int *)PHYS_SDRAM_2, + 0x80000000); + if (bank2_size == 0x40000000) { + /* Don't do a full reset here */ + spl_mx6q_dram_init(DDR_64BIT_2GB, false); + } else { + spl_mx6q_dram_init(DDR_64BIT_1GB, true); + } + + return 0; + } + + spl_mx6q_dram_init(DDR_32BIT_512MB, true); + bank1_size = get_ram_size((long int *)PHYS_SDRAM_1, 0x80000000); + if (bank1_size == 0x20000000) + return 0; + + spl_mx6q_dram_init(DDR_16BIT_256MB, true); + bank1_size = get_ram_size((long int *)PHYS_SDRAM_1, 0x80000000); + if (bank1_size == 0x10000000) + return 0; + + break; + } + + return -1; +} + +static iomux_v3_cfg_t const uart4_pads[] = { + IOMUX_PADS(PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), + IOMUX_PADS(PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), +}; + +static void cm_fx6_setup_uart(void) +{ + SETUP_IOMUX_PADS(uart4_pads); + enable_uart_clk(1); +} + +#ifdef CONFIG_SPL_SPI_SUPPORT +static void cm_fx6_setup_ecspi(void) +{ + cm_fx6_set_ecspi_iomux(); + enable_cspi_clock(1, 0); +} +#else +static void cm_fx6_setup_ecspi(void) { } +#endif + +void board_init_f(ulong dummy) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + gd = &gdata; + /* + * We don't use DMA in SPL, but we do need it in U-Boot. U-Boot + * initializes DMA very early (before all board code), so the only + * opportunity we have to initialize APBHDMA clocks is in SPL. + */ + setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); + enable_usdhc_clk(1, 2); + + arch_cpu_init(); + timer_init(); + cm_fx6_setup_ecspi(); + cm_fx6_setup_uart(); + get_clocks(); + preloader_console_init(); + gpio_direction_output(CM_FX6_GREEN_LED, 1); + if (cm_fx6_spl_dram_init()) { + puts("!!!ERROR!!! DRAM detection failed!!!\n"); + hang(); + } + + memset(__bss_start, 0, __bss_end - __bss_start); + board_init_r(NULL, 0); +} + +void spl_board_init(void) +{ + u32 boot_device = spl_boot_device(); + + if (boot_device == BOOT_DEVICE_SPI) + puts("Booting from SPI flash\n"); + else if (boot_device == BOOT_DEVICE_MMC1) + puts("Booting from MMC\n"); + else + puts("Unknown boot device\n"); +} + +#ifdef CONFIG_SPL_MMC_SUPPORT +static struct fsl_esdhc_cfg usdhc_cfg = { + .esdhc_base = USDHC3_BASE_ADDR, + .max_bus_width = 4, +}; + +int board_mmc_init(bd_t *bis) +{ + cm_fx6_set_usdhc_iomux(); + + usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + + return fsl_esdhc_initialize(bis, &usdhc_cfg); +} +#endif diff --git a/board/compulab/common/eeprom.c b/board/compulab/common/eeprom.c index 20fe3e1960..85442cd103 100644 --- a/board/compulab/common/eeprom.c +++ b/board/compulab/common/eeprom.c @@ -31,8 +31,19 @@ static int cl_eeprom_layout; /* Implicitly LAYOUT_INVALID */ static int cl_eeprom_read(uint offset, uchar *buf, int len) { - return i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, offset, + int res; + unsigned int current_i2c_bus = i2c_get_bus_num(); + + res = i2c_set_bus_num(CONFIG_SYS_I2C_EEPROM_BUS); + if (res < 0) + return res; + + res = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, offset, CONFIG_SYS_I2C_EEPROM_ADDR_LEN, buf, len); + + i2c_set_bus_num(current_i2c_bus); + + return res; } static int cl_eeprom_setup_layout(void) |