Commit deb53483 authored by Stefano Babic's avatar Stefano Babic Committed by Albert ARIBAUD
Browse files

MX35: add support for flea3 board



The flea3 board is a custom board by CarMediaLab used
in automotive.
Network (FEC), NOR, NAND and SPI are supported.
Signed-off-by: default avatarStefano Babic <sbabic@denx.de>
parent 1cf820f1
......@@ -560,6 +560,7 @@ Albert ARIBAUD <albert.u.boot@aribaud.net>
Stefano Babic <sbabic@denx.de>
ea20 davinci
flea3 i.MX35
mx35pdk i.MX35
mx51evk i.MX51
polaris xscale/pxa
......
#
# Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
#
# (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
COBJS := flea3.o
SOBJS := lowlevel_init.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS) $(SOBJS)
$(call cmd_link_o_target, $(OBJS) $(SOBJS))
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################
/*
* Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
*
* (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
*
* Copyright (C) 2011, Stefano Babic <sbabic@denx.de>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/io.h>
#include <asm/errno.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/mx35_pins.h>
#include <asm/arch/iomux.h>
#include <i2c.h>
#include <linux/types.h>
#include <asm/gpio.h>
#include <asm/arch/sys_proto.h>
#include <netdev.h>
#ifndef CONFIG_BOARD_EARLY_INIT_F
#error "CONFIG_BOARD_EARLY_INIT_F must be set for this board"
#endif
#define CCM_CCMR_CONFIG 0x003F4208
#define ESDCTL_DDR2_CONFIG 0x007FFC3F
#define ESDCTL_0x92220000 0x92220000
#define ESDCTL_0xA2220000 0xA2220000
#define ESDCTL_0xB2220000 0xB2220000
#define ESDCTL_0x82228080 0x82228080
#define ESDCTL_DDR2_EMR2 0x04000000
#define ESDCTL_DDR2_EMR3 0x06000000
#define ESDCTL_PRECHARGE 0x00000400
#define ESDCTL_DDR2_EN_DLL 0x02000400
#define ESDCTL_DDR2_RESET_DLL 0x00000333
#define ESDCTL_DDR2_MR 0x00000233
#define ESDCTL_DDR2_OCD_DEFAULT 0x02000780
#define ESDCTL_DELAY_LINE5 0x00F49F00
static inline void dram_wait(unsigned int count)
{
volatile unsigned int wait = count;
while (wait--)
;
}
DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1,
PHYS_SDRAM_1_SIZE);
return 0;
}
static void board_setup_sdram_bank(u32 start_address)
{
struct esdc_regs *esdc = (struct esdc_regs *)ESDCTL_BASE_ADDR;
u32 *cfg_reg, *ctl_reg;
u32 val;
switch (start_address) {
case CSD0_BASE_ADDR:
cfg_reg = &esdc->esdcfg0;
ctl_reg = &esdc->esdctl0;
break;
case CSD1_BASE_ADDR:
cfg_reg = &esdc->esdcfg1;
ctl_reg = &esdc->esdctl1;
break;
default:
return;
}
/* Initialize MISC register for DDR2 */
val = ESDC_MISC_RST | ESDC_MISC_MDDR_EN | ESDC_MISC_MDDR_DL_RST |
ESDC_MISC_DDR_EN | ESDC_MISC_DDR2_EN;
writel(val, &esdc->esdmisc);
val &= ~(ESDC_MISC_RST | ESDC_MISC_MDDR_DL_RST);
writel(val, &esdc->esdmisc);
/*
* according to DDR2 specs, wait a while before
* the PRECHARGE_ALL command
*/
dram_wait(0x20000);
/* Load DDR2 config and timing */
writel(ESDCTL_DDR2_CONFIG, cfg_reg);
/* Precharge ALL */
writel(ESDCTL_0x92220000,
ctl_reg);
writel(0xda, start_address + ESDCTL_PRECHARGE);
/* Load mode */
writel(ESDCTL_0xB2220000,
ctl_reg);
writeb(0xda, start_address + ESDCTL_DDR2_EMR2); /* EMRS2 */
writeb(0xda, start_address + ESDCTL_DDR2_EMR3); /* EMRS3 */
writeb(0xda, start_address + ESDCTL_DDR2_EN_DLL); /* Enable DLL */
writeb(0xda, start_address + ESDCTL_DDR2_RESET_DLL); /* Reset DLL */
/* Precharge ALL */
writel(ESDCTL_0x92220000,
ctl_reg);
writel(0xda, start_address + ESDCTL_PRECHARGE);
/* Set mode auto refresh : at least two refresh are required */
writel(ESDCTL_0xA2220000,
ctl_reg);
writel(0xda, start_address);
writel(0xda, start_address);
writel(ESDCTL_0xB2220000,
ctl_reg);
writeb(0xda, start_address + ESDCTL_DDR2_MR);
writeb(0xda, start_address + ESDCTL_DDR2_OCD_DEFAULT);
/* OCD mode exit */
writeb(0xda, start_address + ESDCTL_DDR2_EN_DLL); /* Enable DLL */
/* Set normal mode */
writel(ESDCTL_0x82228080,
ctl_reg);
dram_wait(0x20000);
/* Do not set delay lines, only for MDDR */
}
static void board_setup_sdram(void)
{
struct esdc_regs *esdc = (struct esdc_regs *)ESDCTL_BASE_ADDR;
/* Initialize with default values both CSD0/1 */
writel(0x2000, &esdc->esdctl0);
writel(0x2000, &esdc->esdctl1);
board_setup_sdram_bank(CSD1_BASE_ADDR);
}
static void setup_iomux_uart3(void)
{
mxc_request_iomux(MX35_PIN_RTS2_UART3_RXD_MUX, MUX_CONFIG_ALT7);
mxc_request_iomux(MX35_PIN_CTS2_UART3_TXD_MUX, MUX_CONFIG_ALT7);
}
static void setup_iomux_i2c(void)
{
int pad;
mxc_request_iomux(MX35_PIN_I2C1_CLK, MUX_CONFIG_SION);
mxc_request_iomux(MX35_PIN_I2C1_DAT, MUX_CONFIG_SION);
pad = (PAD_CTL_HYS_SCHMITZ | PAD_CTL_PKE_ENABLE \
| PAD_CTL_PUE_PUD | PAD_CTL_ODE_OpenDrain);
mxc_iomux_set_pad(MX35_PIN_I2C1_CLK, pad);
mxc_iomux_set_pad(MX35_PIN_I2C1_DAT, pad);
mxc_request_iomux(MX35_PIN_TX3_RX2, MUX_CONFIG_ALT1);
mxc_request_iomux(MX35_PIN_TX2_RX3, MUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX35_PIN_TX3_RX2, pad);
mxc_iomux_set_pad(MX35_PIN_TX2_RX3, pad);
}
static void setup_iomux_spi(void)
{
mxc_request_iomux(MX35_PIN_CSPI1_MOSI, MUX_CONFIG_SION);
mxc_request_iomux(MX35_PIN_CSPI1_MISO, MUX_CONFIG_SION);
mxc_request_iomux(MX35_PIN_CSPI1_SS0, MUX_CONFIG_SION);
mxc_request_iomux(MX35_PIN_CSPI1_SS1, MUX_CONFIG_SION);
mxc_request_iomux(MX35_PIN_CSPI1_SCLK, MUX_CONFIG_SION);
}
static void setup_iomux_fec(void)
{
/* setup pins for FEC */
mxc_request_iomux(MX35_PIN_FEC_TX_CLK, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_RX_CLK, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_RX_DV, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_COL, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_RDATA0, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_TDATA0, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_TX_EN, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_MDC, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_MDIO, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_TX_ERR, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_RX_ERR, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_CRS, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_RDATA1, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_TDATA1, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_RDATA2, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_TDATA2, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_RDATA3, MUX_CONFIG_FUNC);
mxc_request_iomux(MX35_PIN_FEC_TDATA3, MUX_CONFIG_FUNC);
}
int board_early_init_f(void)
{
struct ccm_regs *ccm =
(struct ccm_regs *)IMX_CCM_BASE;
/* setup GPIO3_1 to set HighVCore signal */
mxc_request_iomux(MX35_PIN_ATA_DATA1, MUX_CONFIG_ALT5);
gpio_direction_output(65, 1);
/* initialize PLL and clock configuration */
writel(CCM_CCMR_CONFIG, &ccm->ccmr);
writel(CCM_MPLL_532_HZ, &ccm->mpctl);
writel(CCM_PPLL_300_HZ, &ccm->ppctl);
/* Set the core to run at 532 Mhz */
writel(0x00001000, &ccm->pdr0);
/* Set-up RAM */
board_setup_sdram();
/* enable clocks */
writel(readl(&ccm->cgr0) |
MXC_CCM_CGR0_EMI_MASK |
MXC_CCM_CGR0_EDI0_MASK |
MXC_CCM_CGR0_EPIT1_MASK,
&ccm->cgr0);
writel(readl(&ccm->cgr1) |
MXC_CCM_CGR1_FEC_MASK |
MXC_CCM_CGR1_GPIO1_MASK |
MXC_CCM_CGR1_GPIO2_MASK |
MXC_CCM_CGR1_GPIO3_MASK |
MXC_CCM_CGR1_I2C1_MASK |
MXC_CCM_CGR1_I2C2_MASK |
MXC_CCM_CGR1_I2C3_MASK,
&ccm->cgr1);
/* Set-up NAND */
__raw_writel(readl(&ccm->rcsr) | MXC_CCM_RCSR_NFC_FMS, &ccm->rcsr);
/* Set pinmux for the required peripherals */
setup_iomux_uart3();
setup_iomux_i2c();
setup_iomux_fec();
setup_iomux_spi();
return 0;
}
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
return 0;
}
u32 get_board_rev(void)
{
int rev = 0;
return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
}
/*
* Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
*
* (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
*
* Copyright (C) 2011, Stefano Babic <sbabic@denx.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <asm-offsets.h>
#include <asm/arch/imx-regs.h>
#include <generated/asm-offsets.h>
/*
* Configuration for the flea3 board.
* These defines are used by the included macros and must
* be defined first
*/
#define AIPS_MPR_CONFIG 0x77777777
#define AIPS_OPACR_CONFIG 0x00000000
/* MPR - priority is M4 > M2 > M3 > M5 > M0 > M1 */
#define MAX_MPR_CONFIG 0x00302154
/* SGPCR - always park on last master */
#define MAX_SGPCR_CONFIG 0x00000010
/* MGPCR - restore default values */
#define MAX_MGPCR_CONFIG 0x00000000
/*
* M3IF Control Register (M3IFCTL)
* MRRP[0] = L2CC0 not on priority list (0 << 0) = 0x00000000
* MRRP[1] = L2CC1 not on priority list (0 << 0) = 0x00000000
* MRRP[2] = MBX not on priority list (0 << 0) = 0x00000000
* MRRP[3] = MAX1 not on priority list (0 << 0) = 0x00000000
* MRRP[4] = SDMA not on priority list (0 << 0) = 0x00000000
* MRRP[5] = MPEG4 not on priority list (0 << 0) = 0x00000000
* MRRP[6] = IPU1 on priority list (1 << 6) = 0x00000040
* MRRP[7] = IPU2 not on priority list (0 << 0) = 0x00000000
* ------------
* 0x00000040
*/
#define M3IF_CONFIG 0x00000040
#define CCM_PDR0_CONFIG 0x00801000
/*
* includes MX35 utility macros
*/
#include <asm/arch/lowlevel_macro.S>
.globl lowlevel_init
lowlevel_init:
core_init
init_aips
init_max
init_m3if
mov pc, lr
......@@ -42,6 +42,7 @@ imx31_litekit arm arm1136 - logicpd
imx31_phycore arm arm1136 - - mx31
imx31_phycore_eet arm arm1136 imx31_phycore - mx31 imx31_phycore:IMX31_PHYCORE_EET
mx31pdk arm arm1136 - freescale mx31 mx31pdk:NAND_U_BOOT
flea3 arm arm1136 - CarMediaLab mx35
mx35pdk arm arm1136 - freescale mx35
omap2420h4 arm arm1136 - ti omap24xx
tnetv107x_evm arm arm1176 tnetv107xevm ti tnetv107x
......
/*
* (C) Copyright 2011, Stefano Babic <sbabic@denx.de>
*
* (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
*
* Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
*
* Configuration for the flea3 board.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#include <asm/arch/imx-regs.h>
/* High Level Configuration Options */
#define CONFIG_ARM1136 /* This is an arm1136 CPU core */
#define CONFIG_MX35
#define CONFIG_MX35_HCLK_FREQ 24000000
#define CONFIG_SYS_DCACHE_OFF
#define CONFIG_DISPLAY_CPUINFO
/* Only in case the value is not present in mach-types.h */
#ifndef MACH_TYPE_FLEA3
#define MACH_TYPE_FLEA3 3668
#endif
#define CONFIG_MACH_TYPE MACH_TYPE_FLEA3
/* Set TEXT at the beginning of the NOR flash */
#define CONFIG_SYS_TEXT_BASE 0xA0000000
#define CONFIG_SYS_64BIT_VSPRINTF
/* This is required to setup the ESDC controller */
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
#define CONFIG_REVISION_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
/*
* Size of malloc() pool
*/
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 1024 * 1024)
/*
* Hardware drivers
*/
#define CONFIG_HARD_I2C
#define CONFIG_I2C_MXC
#define CONFIG_SYS_I2C_MX35_PORT3
#define CONFIG_SYS_I2C_SPEED 100000
#define CONFIG_SYS_I2C_SLAVE 0xfe
#define CONFIG_MXC_SPI
#define CONFIG_MXC_GPIO
/*
* UART (console)
*/
#define CONFIG_MXC_UART
#define CONFIG_SYS_MX35_UART3
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_CONS_INDEX 1
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
/*
* Command definition
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_PING
#define CONFIG_CMD_DHCP
#define CONFIG_BOOTP_SUBNETMASK
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_DNS
#define CONFIG_CMD_NAND
#define CONFIG_CMD_I2C
#define CONFIG_CMD_SPI
#define CONFIG_CMD_MII
#define CONFIG_CMD_NET
#define CONFIG_NET_RETRY_COUNT 100
#define CONFIG_BOOTDELAY 3
#define CONFIG_LOADADDR 0x90800000 /* loadaddr env var */
/*
* Ethernet on SOC (FEC)
*/
#define CONFIG_NET_MULTI
#define CONFIG_FEC_MXC
#define IMX_FEC_BASE FEC_BASE_ADDR
#define CONFIG_PHYLIB
#define CONFIG_PHY_MICREL
#define CONFIG_FEC_MXC_PHYADDR 0x1
#define CONFIG_MII
#define CONFIG_DISCOVER_PHY
#define CONFIG_ARP_TIMEOUT 200UL
/*
* Miscellaneous configurable options
*/
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#define CONFIG_SYS_PROMPT "flea3 U-Boot > "
#define CONFIG_CMDLINE_EDITING
#define CONFIG_SYS_HUSH_PARSER /* Use the HUSH parser */
#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
#define CONFIG_AUTO_COMPLETE
#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
/* Print Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
#define CONFIG_SYS_MEMTEST_START 0 /* memtest works on */
#define CONFIG_SYS_MEMTEST_END 0x10000
#undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, in Hz */
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_SYS_HZ 1000
/*
* Stack sizes
*
* The stack sizes are set up in start.S using the settings below
*/
#define CONFIG_STACKSIZE (128 * 1024) /* regular stack */
/*
* Physical Memory Map
*/
#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM_1 CSD1_BASE_ADDR
#define PHYS_SDRAM_1_SIZE (128 * 1024 * 1024)
#define CONFIG_SYS_SDRAM_BASE CSD1_BASE_ADDR
#define CONFIG_SYS_INIT_RAM_ADDR (IRAM_BASE_ADDR + 0x10000)
#define CONFIG_SYS_INIT_RAM_SIZE (IRAM_SIZE / 2)
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - \
GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
CONFIG_SYS_GBL_DATA_OFFSET)
/*
* MTD Command for mtdparts
*/
#define CONFIG_CMD_MTDPARTS
#define CONFIG_MTD_DEVICE
#define CONFIG_FLASH_CFI_MTD
#define CONFIG_MTD_PARTITIONS
#define MTDIDS_DEFAULT "nand0=mxc_nand,nor0=physmap-flash.0"
#define MTDPARTS_DEFAULT "mtdparts=mxc_nand:196m(root1)," \
"196m(root2),-(user);" \
"physmap-flash.0:512k(u-boot),64k(env1)," \
"64k(env2),3776k(kernel1),3776k(kernel2)"
/*
* FLASH and environment organization
*/
#define CONFIG_SYS_FLASH_BASE CS0_BASE_ADDR
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CONFIG_SYS_MAX_FLASH_SECT 512 /* max number of sectors on one chip */
/* Monitor at beginning of flash */