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arm: mx6: add support for Compulab cm-fx6 CoM

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Add initial support for Compulab CM-FX6 CoM.
Support includes MMC, SPI flash, and SPL with dynamic DRAM detection.

Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@ti.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
This commit is contained in:
Nikita Kiryanov 2014-09-07 18:59:29 +03:00 • committed by Stefano Babic
parent ea818ae748
commit e32028a70b
11 changed files with 819 additions and 0 deletions
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4
arch/arm/Kconfig
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@ -424,6 +424,9 @@ config OMAP54XX
config RMOBILE
bool "Renesas ARM SoCs"
config TARGET_CM_FX6
bool "Support cm_fx6"
config TARGET_S5P_GONI
bool "Support s5p_goni"
@ -579,6 +582,7 @@ source "board/cirrus/edb93xx/Kconfig"
source "board/cm4008/Kconfig"
source "board/cm41xx/Kconfig"
source "board/compulab/cm_t335/Kconfig"
source "board/compulab/cm_fx6/Kconfig"
source "board/congatec/cgtqmx6eval/Kconfig"
source "board/creative/xfi3/Kconfig"
source "board/davedenx/qong/Kconfig"

23
board/compulab/cm_fx6/Kconfig Normal file
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@ -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

6
board/compulab/cm_fx6/MAINTAINERS Normal file
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@ -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

12
board/compulab/cm_fx6/Makefile Normal file
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@ -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

111
board/compulab/cm_fx6/cm_fx6.c Normal file
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@ -0,0 +1,111 @@
/*
* 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 <asm/arch/sys_proto.h>
#include "common.h"
DECLARE_GLOBAL_DATA_PTR;
#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
int board_init(void)
{
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
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;
}

84
board/compulab/cm_fx6/common.c Normal file
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@ -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

20
board/compulab/cm_fx6/common.h Normal file
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@ -0,0 +1,20 @@
/*
* 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)
void cm_fx6_set_usdhc_iomux(void);
void cm_fx6_set_ecspi_iomux(void);

8
board/compulab/cm_fx6/imximage.cfg Normal file
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@ -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

355
board/compulab/cm_fx6/spl.c Normal file
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@ -0,0 +1,355 @@
/*
* 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/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)
{
gd = &gdata;
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

4
configs/cm_fx6_defconfig Normal file
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@ -0,0 +1,4 @@
CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/compulab/cm_fx6/imximage.cfg,MX6QDL,SPL"
+S:CONFIG_ARM=y
+S:CONFIG_TARGET_CM_FX6=y

192
include/configs/cm_fx6.h Normal file
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@ -0,0 +1,192 @@
/*
* Config file 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+
*/
#ifndef __CONFIG_CM_FX6_H
#define __CONFIG_CM_FX6_H
#include <asm/arch/imx-regs.h>
#include <config_distro_defaults.h>
#include "mx6_common.h"
/* Machine config */
#define CONFIG_MX6
#define CONFIG_SYS_LITTLE_ENDIAN
#define CONFIG_MACH_TYPE 4273
#define CONFIG_SYS_HZ 1000
/* Display information on boot */
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DISPLAY_BOARDINFO
#define CONFIG_TIMESTAMP
/* CMD */
#include <config_cmd_default.h>
#define CONFIG_CMD_GREPENV
#undef CONFIG_CMD_FLASH
#undef CONFIG_CMD_LOADB
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_XIMG
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_IMLS
#undef CONFIG_CMD_NET
#undef CONFIG_CMD_NFS
/* MMC */
#define CONFIG_MMC
#define CONFIG_CMD_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_FSL_ESDHC
#define CONFIG_FSL_USDHC
#define CONFIG_SYS_FSL_USDHC_NUM 3
#define CONFIG_SYS_FSL_ESDHC_ADDR USDHC2_BASE_ADDR
/* RAM */
#define PHYS_SDRAM_1 MMDC0_ARB_BASE_ADDR
#define PHYS_SDRAM_2 MMDC1_ARB_BASE_ADDR
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
#define CONFIG_NR_DRAM_BANKS 2
#define CONFIG_SYS_MEMTEST_START 0x10000000
#define CONFIG_SYS_MEMTEST_END 0x10010000
#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)
/* Serial console */
#define CONFIG_MXC_UART
#define CONFIG_MXC_UART_BASE UART4_BASE
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
/* Shell */
#define CONFIG_SYS_PROMPT "CM-FX6 # "
#define CONFIG_SYS_CBSIZE 1024
#define CONFIG_SYS_MAXARGS 16
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16)
/* SPI flash */
#define CONFIG_SYS_NO_FLASH
#define CONFIG_CMD_SF
#define CONFIG_SF_DEFAULT_BUS 0
#define CONFIG_SF_DEFAULT_CS 0
#define CONFIG_SF_DEFAULT_SPEED 25000000
#define CONFIG_SF_DEFAULT_MODE (SPI_MODE_0)
/* Environment */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_ENV_IS_IN_SPI_FLASH
#define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
#define CONFIG_ENV_SPI_MODE CONFIG_SF_DEFAULT_MODE
#define CONFIG_ENV_SPI_BUS CONFIG_SF_DEFAULT_BUS
#define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
#define CONFIG_ENV_SECT_SIZE (64 * 1024)
#define CONFIG_ENV_SIZE (8 * 1024)
#define CONFIG_ENV_OFFSET (768 * 1024)
#define CONFIG_EXTRA_ENV_SETTINGS \
"kernel=uImage-cm-fx6\0" \
"autoload=no\0" \
"loadaddr=0x10800000\0" \
"fdtaddr=0x11000000\0" \
"console=ttymxc3,115200\0" \
"ethprime=FEC0\0" \
"bootscr=boot.scr\0" \
"bootm_low=18000000\0" \
"video_hdmi=mxcfb0:dev=hdmi,1920x1080M-32@50,if=RGB32\0" \
"video_dvi=mxcfb0:dev=dvi,1280x800M-32@50,if=RGB32\0" \
"fdtfile=cm-fx6.dtb\0" \
"doboot=bootm ${loadaddr}\0" \
"loadfdt=false\0" \
"setboottypez=setenv kernel zImage-cm-fx6;" \
"setenv doboot bootz ${loadaddr} - ${fdtaddr};" \
"setenv loadfdt true;\0" \
"setboottypem=setenv kernel uImage-cm-fx6;" \
"setenv doboot bootm ${loadaddr};" \
"setenv loadfdt false;\0"\
"run_eboot=echo Starting EBOOT ...; "\
"mmc dev ${mmcdev} && " \
"mmc rescan && mmc read 10042000 a 400 && go 10042000\0" \
"mmcdev=2\0" \
"mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
"loadmmcbootscript=load mmc ${mmcdev} ${loadaddr} ${bootscr}\0" \
"mmcbootscript=echo Running bootscript from mmc ...; "\
"source ${loadaddr}\0" \
"mmcargs=setenv bootargs console=${console} " \
"root=${mmcroot} " \
"${video}\0" \
"mmcloadkernel=load mmc ${mmcdev} ${loadaddr} ${kernel}\0" \
"mmcloadfdt=load mmc ${mmcdev} ${fdtaddr} ${fdtfile}\0" \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"run doboot\0" \
"boot=mmc dev ${mmcdev}; " \
"if mmc rescan; then " \
"if run loadmmcbootscript; then " \
"run mmcbootscript;" \
"else " \
"if run mmcloadkernel; then " \
"if ${loadfdt}; then " \
"run mmcloadfdt;" \
"fi;" \
"run mmcboot;" \
"fi;" \
"fi;" \
"fi;\0"
#define CONFIG_BOOTCOMMAND \
"run setboottypem; run boot"
/* SPI */
#define CONFIG_SPI
#define CONFIG_MXC_SPI
#define CONFIG_SPI_FLASH
#define CONFIG_SPI_FLASH_ATMEL
#define CONFIG_SPI_FLASH_EON
#define CONFIG_SPI_FLASH_GIGADEVICE
#define CONFIG_SPI_FLASH_MACRONIX
#define CONFIG_SPI_FLASH_SPANSION
#define CONFIG_SPI_FLASH_STMICRO
#define CONFIG_SPI_FLASH_SST
#define CONFIG_SPI_FLASH_WINBOND
/* GPIO */
#define CONFIG_MXC_GPIO
/* Boot */
#define CONFIG_ZERO_BOOTDELAY_CHECK
#define CONFIG_LOADADDR 0x10800000
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
#define CONFIG_SYS_BOOTMAPSZ (8 << 20)
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
/* misc */
#define CONFIG_SYS_GENERIC_BOARD
#define CONFIG_STACKSIZE (128 * 1024)
#define CONFIG_SYS_MALLOC_LEN (2 * 1024 * 1024)
#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 800 /* 400 KB */
/* SPL */
#include "imx6_spl.h"
#define CONFIG_SPL_BOARD_INIT
#define CONFIG_SPL_MMC_SUPPORT
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x80 /* offset 64 kb */
#define CONFIG_SYS_MONITOR_LEN (CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS / 2 * 1024)
#define CONFIG_SPL_SPI_SUPPORT
#define CONFIG_SPL_SPI_FLASH_SUPPORT
#define CONFIG_SYS_SPI_U_BOOT_OFFS (64 * 1024)
#define CONFIG_SPL_SPI_LOAD
#endif /* __CONFIG_CM_FX6_H */