u-boot/board/technexion/pico-imx6ul/pico-imx6ul.c

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/*
* Copyright (C) 2015 Technexion Ltd.
*
* Author: Richard Hu <richard.hu@technexion.com>
*
* 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/mx6-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
imx: reorganize IMX code as other SOCs Change is consistent with other SOCs and it is in preparation for adding SOMs. SOC's related files are moved from cpu/ to mach-imx/<SOC>. This change is also coherent with the structure in kernel. Signed-off-by: Stefano Babic <sbabic@denx.de> CC: Fabio Estevam <fabio.estevam@nxp.com> CC: Akshay Bhat <akshaybhat@timesys.com> CC: Ken Lin <Ken.Lin@advantech.com.tw> CC: Marek Vasut <marek.vasut@gmail.com> CC: Heiko Schocher <hs@denx.de> CC: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com> CC: Christian Gmeiner <christian.gmeiner@gmail.com> CC: Stefan Roese <sr@denx.de> CC: Patrick Bruenn <p.bruenn@beckhoff.com> CC: Troy Kisky <troy.kisky@boundarydevices.com> CC: Nikita Kiryanov <nikita@compulab.co.il> CC: Otavio Salvador <otavio@ossystems.com.br> CC: "Eric Bénard" <eric@eukrea.com> CC: Jagan Teki <jagan@amarulasolutions.com> CC: Ye Li <ye.li@nxp.com> CC: Peng Fan <peng.fan@nxp.com> CC: Adrian Alonso <adrian.alonso@nxp.com> CC: Alison Wang <b18965@freescale.com> CC: Tim Harvey <tharvey@gateworks.com> CC: Martin Donnelly <martin.donnelly@ge.com> CC: Marcin Niestroj <m.niestroj@grinn-global.com> CC: Lukasz Majewski <lukma@denx.de> CC: Adam Ford <aford173@gmail.com> CC: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr> CC: Boris Brezillon <boris.brezillon@free-electrons.com> CC: Soeren Moch <smoch@web.de> CC: Richard Hu <richard.hu@technexion.com> CC: Wig Cheng <wig.cheng@technexion.com> CC: Vanessa Maegima <vanessa.maegima@nxp.com> CC: Max Krummenacher <max.krummenacher@toradex.com> CC: Stefan Agner <stefan.agner@toradex.com> CC: Markus Niebel <Markus.Niebel@tq-group.com> CC: Breno Lima <breno.lima@nxp.com> CC: Francesco Montefoschi <francesco.montefoschi@udoo.org> CC: Jaehoon Chung <jh80.chung@samsung.com> CC: Scott Wood <oss@buserror.net> CC: Joe Hershberger <joe.hershberger@ni.com> CC: Anatolij Gustschin <agust@denx.de> CC: Simon Glass <sjg@chromium.org> CC: "Andrew F. Davis" <afd@ti.com> CC: "Łukasz Majewski" <l.majewski@samsung.com> CC: Patrice Chotard <patrice.chotard@st.com> CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> CC: Hans de Goede <hdegoede@redhat.com> CC: Masahiro Yamada <yamada.masahiro@socionext.com> CC: Stephen Warren <swarren@nvidia.com> CC: Andre Przywara <andre.przywara@arm.com> CC: "Álvaro Fernández Rojas" <noltari@gmail.com> CC: York Sun <york.sun@nxp.com> CC: Xiaoliang Yang <xiaoliang.yang@nxp.com> CC: Chen-Yu Tsai <wens@csie.org> CC: George McCollister <george.mccollister@gmail.com> CC: Sven Ebenfeld <sven.ebenfeld@gmail.com> CC: Filip Brozovic <fbrozovic@gmail.com> CC: Petr Kulhavy <brain@jikos.cz> CC: Eric Nelson <eric@nelint.com> CC: Bai Ping <ping.bai@nxp.com> CC: Anson Huang <Anson.Huang@nxp.com> CC: Sanchayan Maity <maitysanchayan@gmail.com> CC: Lokesh Vutla <lokeshvutla@ti.com> CC: Patrick Delaunay <patrick.delaunay@st.com> CC: Gary Bisson <gary.bisson@boundarydevices.com> CC: Alexander Graf <agraf@suse.de> CC: u-boot@lists.denx.de Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2017-06-29 08:16:06 +00:00
#include <asm/mach-imx/iomux-v3.h>
#include <asm/mach-imx/mxc_i2c.h>
#include <asm/io.h>
#include <common.h>
#include <miiphy.h>
#include <netdev.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include <linux/sizes.h>
#include <usb.h>
#include <power/pmic.h>
#include <power/pfuze3000_pmic.h>
#include "../../freescale/common/pfuze.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 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 OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE)
#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
PAD_CTL_SPEED_HIGH | \
PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
#define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
#define RMII_PHY_RESET IMX_GPIO_NR(1, 28)
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C2 for PMIC */
struct i2c_pads_info i2c_pad_info1 = {
.scl = {
.i2c_mode = MX6_PAD_GPIO1_IO02__I2C1_SCL | PC,
.gpio_mode = MX6_PAD_GPIO1_IO02__GPIO1_IO02 | PC,
.gp = IMX_GPIO_NR(1, 2),
},
.sda = {
.i2c_mode = MX6_PAD_GPIO1_IO03__I2C1_SDA | PC,
.gpio_mode = MX6_PAD_GPIO1_IO03__GPIO1_IO03 | PC,
.gp = IMX_GPIO_NR(1, 3),
},
};
#endif
static iomux_v3_cfg_t const fec_pads[] = {
MX6_PAD_ENET1_TX_EN__ENET2_MDC | MUX_PAD_CTRL(MDIO_PAD_CTRL),
MX6_PAD_ENET1_TX_DATA1__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_UART4_TX_DATA__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static void setup_iomux_fec(void)
{
imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
}
int board_eth_init(bd_t *bis)
{
setup_iomux_fec();
gpio_direction_output(RMII_PHY_RESET, 0);
/*
* According to KSZ8081MNX-RNB manual:
* For warm reset, the reset (RST#) pin should be asserted low for a
* minimum of 500μs. The strap-in pin values are read and updated
* at the de-assertion of reset.
*/
udelay(500);
gpio_direction_output(RMII_PHY_RESET, 1);
/*
* According to KSZ8081MNX-RNB manual:
* After the de-assertion of reset, wait a minimum of 100μs before
* starting programming on the MIIM (MDC/MDIO) interface.
*/
udelay(100);
return fecmxc_initialize(bis);
}
static int setup_fec(void)
{
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
int ret;
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
ret = enable_fec_anatop_clock(1, ENET_50MHZ);
if (ret)
return ret;
enable_enet_clk(1);
return 0;
}
int board_phy_config(struct phy_device *phydev)
{
phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
return 0;
}
static iomux_v3_cfg_t const uart6_pads[] = {
MX6_PAD_CSI_MCLK__UART6_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_CSI_PIXCLK__UART6_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),
MX6_PAD_NAND_READY_B__USDHC1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_CE0_B__USDHC1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_CE1_B__USDHC1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NAND_CLE__USDHC1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
#define USB_OTHERREGS_OFFSET 0x800
#define UCTRL_PWR_POL (1 << 9)
static iomux_v3_cfg_t const usb_otg_pad[] = {
MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart6_pads, ARRAY_SIZE(uart6_pads));
}
static void setup_usb(void)
{
imx_iomux_v3_setup_multiple_pads(usb_otg_pad, ARRAY_SIZE(usb_otg_pad));
}
static struct fsl_esdhc_cfg usdhc_cfg[1] = {
{USDHC1_BASE_ADDR},
};
int board_mmc_getcd(struct mmc *mmc)
{
return 1;
}
int board_mmc_init(bd_t *bis)
{
imx_iomux_v3_setup_multiple_pads(usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
}
int board_early_init_f(void)
{
setup_iomux_uart();
return 0;
}
#ifdef CONFIG_POWER
#define I2C_PMIC 0
static struct pmic *pfuze;
int power_init_board(void)
{
int ret;
unsigned int reg, rev_id;
ret = power_pfuze3000_init(I2C_PMIC);
if (ret)
return ret;
pfuze = pmic_get("PFUZE3000");
ret = pmic_probe(pfuze);
if (ret)
return ret;
pmic_reg_read(pfuze, PFUZE3000_DEVICEID, &reg);
pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);
/* disable Low Power Mode during standby mode */
pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, 0x1);
/* SW1B step ramp up time from 2us to 4us/25mV */
pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, 0x40);
/* SW1B mode to APS/PFM */
pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, 0xc);
/* SW1B standby voltage set to 0.975V */
pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, 0xb);
return 0;
}
#endif
int board_usb_phy_mode(int port)
{
if (port == 1)
return USB_INIT_HOST;
else
return USB_INIT_DEVICE;
}
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;
}
int board_init(void)
{
/* Address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_SYS_I2C_MXC
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
#endif
setup_fec();
setup_usb();
return 0;
}
int checkboard(void)
{
puts("Board: PICO-IMX6UL-EMMC\n");
return 0;
}