Commit 2399ef73 authored by Markus Hubig's avatar Markus Hubig Committed by Albert ARIBAUD
Browse files

at91: Add support for taskit AT91SAM9G20 boards.



This adds support for the AT91SAM9G20 boards by taskit GmbH.
Both boards, Stamp9G20 and PortuxG20, are integrated in one
file. PortuxG20 is basically a SBC built around the Stamp9G20.
Signed-off-by: default avatarMarkus Hubig <mhubig@imko.de>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
Signed-off-by: default avatarAndreas Bießmann <andreas.deve@googlemail.com>
parent a3dab5d1
......@@ -683,6 +683,10 @@ Vaibhav Hiremath <hvaibhav@ti.com>
am3517_evm ARM ARMV7 (AM35x SoC)
Markus Hubig <mhubig@imko.de>
STAMP9G20 ARM926EJS
Grazvydas Ignotas <notasas@gmail.com>
omap3_pandora ARM ARMV7 (OMAP3xx SoC)
......
#
# (C) Copyright 2003-2008
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# (C) Copyright 2008
# Stelian Pop <stelian@popies.net>
# Lead Tech Design <www.leadtechdesign.com>
#
# (C) Copyright 2012
# Markus Hubig <mhubig@imko.de>
# IMKO GmbH <www.imko.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 $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
COBJS-y += stamp9g20.o
COBJS-y += led.o
SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS) $(SOBJS)
$(call cmd_link_o_target, $(OBJS) $(SOBJS))
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################
/*
* Copyright (c) 2009 Wind River Systems, Inc.
* Tom Rix <Tom.Rix@windriver.com>
* (C) Copyright 2009
* Eric Benard <eric@eukrea.com>
*
* (C) Copyright 2012
* Markus Hubig <mhubig@imko.de>
* IMKO GmbH <www.imko.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/arch/gpio.h>
#include <asm/arch/at91_pmc.h>
#include <status_led.h>
static unsigned int saved_state[3] = {STATUS_LED_OFF,
STATUS_LED_OFF, STATUS_LED_OFF};
void coloured_LED_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
/* Enable the clock */
writel(ATMEL_ID_PIOC, &pmc->pcer);
at91_set_gpio_output(CONFIG_RED_LED, 1);
at91_set_gpio_output(CONFIG_GREEN_LED, 1);
at91_set_gpio_output(CONFIG_YELLOW_LED, 1);
at91_set_gpio_value(CONFIG_RED_LED, 0);
at91_set_gpio_value(CONFIG_GREEN_LED, 1);
at91_set_gpio_value(CONFIG_YELLOW_LED, 0);
}
void red_led_on(void)
{
at91_set_gpio_value(CONFIG_RED_LED, 1);
saved_state[STATUS_LED_RED] = STATUS_LED_ON;
}
void red_led_off(void)
{
at91_set_gpio_value(CONFIG_RED_LED, 0);
saved_state[STATUS_LED_RED] = STATUS_LED_OFF;
}
void green_led_on(void)
{
at91_set_gpio_value(CONFIG_GREEN_LED, 1);
saved_state[STATUS_LED_GREEN] = STATUS_LED_ON;
}
void green_led_off(void)
{
at91_set_gpio_value(CONFIG_GREEN_LED, 0);
saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF;
}
void yellow_led_on(void)
{
at91_set_gpio_value(CONFIG_YELLOW_LED, 1);
saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON;
}
void yellow_led_off(void)
{
at91_set_gpio_value(CONFIG_YELLOW_LED, 0);
saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF;
}
void __led_init(led_id_t mask, int state)
{
__led_set(mask, state);
}
void __led_toggle(led_id_t mask)
{
if (STATUS_LED_RED == mask) {
if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
red_led_off();
else
red_led_on();
} else if (STATUS_LED_GREEN == mask) {
if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN])
green_led_off();
else
green_led_on();
} else if (STATUS_LED_YELLOW == mask) {
if (STATUS_LED_ON == saved_state[STATUS_LED_YELLOW])
yellow_led_off();
else
yellow_led_on();
}
}
void __led_set(led_id_t mask, int state)
{
if (STATUS_LED_RED == mask) {
if (STATUS_LED_ON == state)
red_led_on();
else
red_led_off();
} else if (STATUS_LED_GREEN == mask) {
if (STATUS_LED_ON == state)
green_led_on();
else
green_led_off();
} else if (STATUS_LED_YELLOW == mask) {
if (STATUS_LED_ON == state)
yellow_led_on();
else
yellow_led_off();
}
}
/*
* (C) Copyright 2007-2008
* Stelian Pop <stelian@popies.net>
* Lead Tech Design <www.leadtechdesign.com>
*
* Achim Ehrlich <aehrlich@taskit.de>
* taskit GmbH <www.taskit.de>
*
* (C) Copyright 2012-
* Markus Hubig <mhubig@imko.de>
* IMKO GmbH <www.imko.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/arch/at91sam9260_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
#include <watchdog.h>
#ifdef CONFIG_MACB
# include <net.h>
# include <netdev.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
static void stamp9G20_nand_hw_init(void)
{
struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
unsigned long csa;
/* Assign CS3 to NAND/SmartMedia Interface */
csa = readl(&matrix->ebicsa);
csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
writel(csa, &matrix->ebicsa);
/* Configure SMC CS3 for NAND/SmartMedia */
writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
&smc->cs[3].setup);
writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
&smc->cs[3].pulse);
writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
&smc->cs[3].cycle);
writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
AT91_SMC_MODE_EXNW_DISABLE |
AT91_SMC_MODE_DBW_8 |
AT91_SMC_MODE_TDF_CYCLE(2),
&smc->cs[3].mode);
/* Configure RDY/BSY */
at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
/* Enable NandFlash */
at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
}
#ifdef CONFIG_MACB
static void stamp9G20_macb_hw_init(void)
{
struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA;
struct at91_rstc *rstc = (struct at91_rstc *)ATMEL_BASE_RSTC;
unsigned long erstl;
/* Enable the PHY Chip via PA26 on the Stamp 2 Adaptor */
at91_set_gpio_output(AT91_PIN_PA26, 0);
/*
* Disable pull-up on:
* RXDV (PA17) => PHY normal mode (not Test mode)
* ERX0 (PA14) => PHY ADDR0
* ERX1 (PA15) => PHY ADDR1
* ERX2 (PA25) => PHY ADDR2
* ERX3 (PA26) => PHY ADDR3
* ECRS (PA28) => PHY ADDR4 => PHYADDR = 0x0
*
* PHY has internal pull-down
*/
writel(pin_to_mask(AT91_PIN_PA14) |
pin_to_mask(AT91_PIN_PA15) |
pin_to_mask(AT91_PIN_PA17) |
pin_to_mask(AT91_PIN_PA18) |
pin_to_mask(AT91_PIN_PA28),
&pioa->pudr);
erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK;
/* Need to reset PHY -> 500ms reset */
writel(AT91_RSTC_KEY | (AT91_RSTC_MR_ERSTL(13) &
~AT91_RSTC_MR_URSTEN), &rstc->mr);
writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr);
/* Wait for end of hardware reset */
unsigned long start = get_timer(0);
unsigned long timeout = 1000; /* 1000ms */
while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL)) {
/* avoid shutdown by watchdog */
WATCHDOG_RESET();
mdelay(10);
/* timeout for not getting stuck in an endless loop */
if (get_timer(start) >= timeout) {
puts("*** ERROR: Timeout waiting for PHY reset!\n");
break;
};
};
/* Restore NRST value */
writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN,
&rstc->mr);
/* Re-enable pull-up */
writel(pin_to_mask(AT91_PIN_PA14) |
pin_to_mask(AT91_PIN_PA15) |
pin_to_mask(AT91_PIN_PA17) |
pin_to_mask(AT91_PIN_PA18) |
pin_to_mask(AT91_PIN_PA28),
&pioa->puer);
/* Initialize EMAC=MACB hardware */
at91_macb_hw_init();
}
#endif /* CONFIG_MACB */
int board_early_init_f(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
/* Enable clocks for all PIOs */
writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
(1 << ATMEL_ID_PIOC), &pmc->pcer);
return 0;
}
int board_init(void)
{
/* Adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
/* Enable the serial interface */
at91_set_gpio_output(AT91_PIN_PC9, 1);
at91_seriald_hw_init();
stamp9G20_nand_hw_init();
#ifdef CONFIG_MACB
stamp9G20_macb_hw_init();
#endif
return 0;
}
int dram_init(void)
{
gd->ram_size = get_ram_size(
(void *)CONFIG_SYS_SDRAM_BASE,
CONFIG_SYS_SDRAM_SIZE);
return 0;
}
#ifdef CONFIG_MACB
int board_eth_init(bd_t *bis)
{
return macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0x00);
}
#endif /* CONFIG_MACB */
......@@ -126,6 +126,8 @@ cpu9G20_nand_128M arm arm926ejs cpu9260 eukrea
pm9261 arm arm926ejs pm9261 ronetix at91 pm9261:AT91SAM9261
pm9263 arm arm926ejs pm9263 ronetix at91 pm9263:AT91SAM9263
pm9g45 arm arm926ejs pm9g45 ronetix at91 pm9g45:AT91SAM9G45
portuxg20 arm arm926ejs stamp9g20 taskit at91 stamp9g20:AT91SAM9G20,PORTUXG20
stamp9g20 arm arm926ejs stamp9g20 taskit at91 stamp9g20:AT91SAM9G20
cam_enc_4xx arm arm926ejs cam_enc_4xx ait davinci cam_enc_4xx
da830evm arm arm926ejs da8xxevm davinci davinci
da850_am18xxevm arm arm926ejs da8xxevm davinci davinci da850evm:DA850_AM18X_EVM,MAC_ADDR_IN_EEPROM,SYS_I2C_EEPROM_ADDR_LEN=2,SYS_I2C_EEPROM_ADDR=0x50
......
/*
* (C) Copyright 2007-2008
* Stelian Pop <stelian@popies.net>
* Lead Tech Design <www.leadtechdesign.com>
*
* (C) Copyright 2010
* Achim Ehrlich <aehrlich@taskit.de>
* taskit GmbH <www.taskit.de>
*
* (C) Copyright 2012
* Markus Hubig <mhubig@imko.de>
* IMKO GmbH <www.imko.de>
*
* Configuation settings for the stamp9g20 CPU module.
*
* 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
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* SoC must be defined first, before hardware.h is included.
* In this case SoC is defined in boards.cfg.
*/
#include <asm/hardware.h>
/*
* Warning: changing CONFIG_SYS_TEXT_BASE requires adapting the initial boot
* program. Since the linker has to swallow that define, we must use a pure
* hex number here!
*/
#define CONFIG_SYS_TEXT_BASE 0x23f00000
/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */
#define CONFIG_SYS_HZ 1000 /* 1ms resolution */
/* misc settings */
#define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */
#define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */
#define CONFIG_INITRD_TAG /* pass initrd param to kernel */
#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */
#define CONFIG_BOARD_EARLY_INIT_f /* call board_early_init_f() */
#define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */
/* setting board specific options */
#ifdef CONFIG_PORTUXG20
# define CONFIG_MACH_TYPE MACH_TYPE_PORTUXG20
# define CONFIG_MACB
#else
# define CONFIG_MACH_TYPE MACH_TYPE_STAMP9G20
#endif
/*
* SDRAM: 1 bank, 64 MB, base address 0x20000000
* Already initialized before u-boot gets started.
*/
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
#define CONFIG_SYS_SDRAM_SIZE (64 << 20)
/*
* Perform a SDRAM Memtest from the start of SDRAM
* till the beginning of the U-Boot position in RAM.
*/
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - 0x100000)
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN \
ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000)
/*
* Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
* leaving the correct space for initial global data structure above that
* address while providing maximum stack area below.
*/
#define CONFIG_SYS_INIT_SP_ADDR \
(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
/* NAND flash settings */
#define CONFIG_NAND_ATMEL
#define CONFIG_SYS_NO_FLASH
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
#define CONFIG_SYS_NAND_DBW_8
#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
/* general purpose I/O */
#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
#define CONFIG_AT91_GPIO /* enable the GPIO features */
#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
/* serial console */
#define CONFIG_ATMEL_USART
#define CONFIG_USART_BASE ATMEL_BASE_DBGU
#define CONFIG_USART_ID ATMEL_ID_SYS
#define CONFIG_BAUDRATE 115200
/* LED configuration */
#define CONFIG_STATUS_LED
#define CONFIG_BOARD_SPECIFIC_LED
/* The LED PINs */
#define CONFIG_RED_LED AT91_PIN_PC5
#define CONFIG_GREEN_LED AT91_PIN_PC4
#define CONFIG_YELLOW_LED AT91_PIN_PC10
#define STATUS_LED_RED 0
#define STATUS_LED_GREEN 1
#define STATUS_LED_YELLOW 2
/* Red LED */
#define STATUS_LED_BIT STATUS_LED_RED
#define STATUS_LED_STATE STATUS_LED_OFF
#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
/* Green LED */
#define STATUS_LED_BIT1 STATUS_LED_GREEN
#define STATUS_LED_STATE1 STATUS_LED_ON
#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
/* Yellow LED */
#define STATUS_LED_BIT2 STATUS_LED_YELLOW
#define STATUS_LED_STATE2 STATUS_LED_OFF
#define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2)
/* Boot status LED */
#define STATUS_LED_BOOT STATUS_LED_GREEN
/*
* Ethernet configuration
*
* PortuxG20 has always ethernet but for Stamp9G20 you
* can enable it here if your baseboard features ethernet.
*/
/* #define CONFIG_MACB */
#ifdef CONFIG_MACB
# define CONFIG_RMII /* use reduced MII inteface */
# define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */
/* BOOTP and DHCP options */
# define CONFIG_BOOTP_BOOTFILESIZE
# define CONFIG_BOOTP_BOOTPATH
# define CONFIG_BOOTP_GATEWAY
# define CONFIG_BOOTP_HOSTNAME
# define CONFIG_NFSBOOTCOMMAND \
"setenv autoload yes; setenv autoboot yes; " \
"setenv bootargs ${basicargs} ${mtdparts} " \
"root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \
"dhcp"
#endif /* CONFIG_MACB */
/* Enable the watchdog */
#define CONFIG_AT91SAM9_WATCHDOG
#define CONFIG_HW_WATCHDOG
/* USB configuration */
#define CONFIG_USB_ATMEL
#define CONFIG_USB_OHCI_NEW
#define CONFIG_USB_STORAGE
#define CONFIG_DOS_PARTITION
#define CONFIG_SYS_USB_OHCI_CPU_INIT
#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
/* General Boot Parameter */
#define CONFIG_BOOTDELAY 3
#define CONFIG_BOOTCOMMAND "run flashboot"
#define CONFIG_SYS_PROMPT "U-Boot> "
#define CONFIG_SYS_CBSIZE 256
#define CONFIG_SYS_MAXARGS 16
#define CONFIG_SYS_PBSIZE \
(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_LONGHELP
#define CONFIG_CMDLINE_EDITING
/*
* RAM Memory address where to put the
* Linux Kernel befor starting.
*/
#define CONFIG_SYS_LOAD_ADDR 0x22000000
/*
* The NAND Flash partitions:
* ==========================================
* 0x0000000-0x001ffff -> 128k, bootstrap
* 0x0020000-0x005ffff -> 256k, u-boot
* 0x0060000-0x007ffff -> 128k, env1
* 0x0080000-0x009ffff -> 128k, env2 (backup)
* 0x0100000-0x06fffff -> 6M, kernel
* 0x0700000-0x8000000 -> 121M, RootFS
*/
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET ((128 + 256) << 10)
#define CONFIG_ENV_OFFSET_REDUND ((128 + 256 + 128) << 10)
#define CONFIG_ENV_SIZE (128 << 10)
/*
* Predefined environment variables.
* Usefull to define some easy to use boot commands.
*/
#define CONFIG_EXTRA_ENV_SETTINGS \
\