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arm, at91: add Siemens board taurus and axm

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enable support for the siemens AT91SAM9G20 based boards taurus
and axm.

Signed-off-by: Roger Meier <r.meier@siemens.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
master
Heiko Schocher 11 years ago committed by Andreas Bießmann
parent bcf9fe37f5
commit 0f8bc283a3
4 changed files with 340 additions and 0 deletions
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  1. 18
      board/siemens/taurus/Makefile
  2. 160
      board/siemens/taurus/taurus.c
  3. 2
      boards.cfg
  4. 160
      include/configs/taurus.h

18
board/siemens/taurus/Makefile
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#
# Makefile for Siemens TAURUS (AT91SAM9G20) based board
# (C) Copyright 2013 Siemens AG
#
# Based on:
# U-Boot file: board/atmel/at91sam9260ek/Makefile
#
# (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>
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y += taurus.o

160
board/siemens/taurus/taurus.c
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/*
* Board functions for Siemens TAURUS (AT91SAM9G20) based boards
* (C) Copyright Siemens AG
*
* Based on:
* U-Boot file: board/atmel/at91sam9260ek/at91sam9260ek.c
*
* (C) Copyright 2007-2008
* Stelian Pop <stelian@popies.net>
* Lead Tech Design <www.leadtechdesign.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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 <asm/arch/at91sam9_sdramc.h>
#include <atmel_mci.h>
#include <net.h>
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_CMD_NAND
static void taurus_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(2) | AT91_SMC_SETUP_NCS_WR(0) |
AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
&smc->cs[3].setup);
writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(3) |
AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(3),
&smc->cs[3].pulse);
writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(7),
&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(3),
&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);
}
#endif
#ifdef CONFIG_MACB
static void taurus_macb_hw_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
/* Enable EMAC clock */
writel(1 << ATMEL_ID_EMAC0, &pmc->pcer);
/*
* 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
*/
at91_set_pio_pullup(AT91_PIO_PORTA, 14, 0);
at91_set_pio_pullup(AT91_PIO_PORTA, 15, 0);
at91_set_pio_pullup(AT91_PIO_PORTA, 17, 0);
at91_set_pio_pullup(AT91_PIO_PORTA, 25, 0);
at91_set_pio_pullup(AT91_PIO_PORTA, 26, 0);
at91_set_pio_pullup(AT91_PIO_PORTA, 28, 0);
at91_phy_reset();
at91_set_gpio_input(AT91_PIN_PA25, 1); /* ERST tri-state */
/* Re-enable pull-up */
at91_set_pio_pullup(AT91_PIO_PORTA, 14, 1);
at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1);
at91_set_pio_pullup(AT91_PIO_PORTA, 17, 1);
at91_set_pio_pullup(AT91_PIO_PORTA, 25, 1);
at91_set_pio_pullup(AT91_PIO_PORTA, 26, 1);
at91_set_pio_pullup(AT91_PIO_PORTA, 28, 1);
/* Initialize EMAC=MACB hardware */
at91_macb_hw_init();
}
#endif
#ifdef CONFIG_GENERIC_ATMEL_MCI
int board_mmc_init(bd_t *bd)
{
at91_mci_hw_init();
return atmel_mci_init((void *)ATMEL_BASE_MCI);
}
#endif
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;
at91_seriald_hw_init();
#ifdef CONFIG_CMD_NAND
taurus_nand_hw_init();
#endif
#ifdef CONFIG_MACB
taurus_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;
}
int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_MACB
rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0x00);
#endif
return rc;
}

2
boards.cfg
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@ -139,6 +139,8 @@ Active arm arm926ejs at91 ronetix pm9263
Active arm arm926ejs at91 ronetix pm9g45 pm9g45 pm9g45:AT91SAM9G45 Ilko Iliev <iliev@ronetix.at>
Active arm arm926ejs at91 taskit stamp9g20 portuxg20 stamp9g20:AT91SAM9G20,PORTUXG20 Markus Hubig <mhubig@imko.de>
Active arm arm926ejs at91 taskit stamp9g20 stamp9g20 stamp9g20:AT91SAM9G20 Markus Hubig <mhubig@imko.de>
Active arm arm926ejs at91 siemens taurus axm taurus:AT91SAM9G20,MACH_TYPE=2068,BOARD_AXM Heiko Schocher <hs@denx.de>
Active arm arm926ejs at91 siemens taurus taurus taurus:AT91SAM9G20,MACH_TYPE=2067,BOARD_TAURUS Heiko Schocher <hs@denx.de>
Active arm arm926ejs davinci ait cam_enc_4xx cam_enc_4xx cam_enc_4xx Heiko Schocher <hs@denx.de>
Active arm arm926ejs davinci Barix ipam390 ipam390 - Heiko Schocher <hs@denx.de>
Active arm arm926ejs davinci davinci da8xxevm da830evm - Nick Thompson <nick.thompson@gefanuc.com>

160
include/configs/taurus.h
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/*
* Common board functions for Siemens TAURUS (AT91SAM9G20) based boards
* (C) Copyright 2013 Siemens AG
*
* Based on:
* U-Boot file: include/configs/at91sam9260ek.h
*
* (C) Copyright 2007-2008
* Stelian Pop <stelian@popies.net>
* Lead Tech Design <www.leadtechdesign.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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>
#define MACH_TYPE_TAURUS 2067
#define MACH_TYPE_AXM 2068
/*
* 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 /* main clock xtal */
#define CONFIG_SYS_HZ 1000
/* Misc CPU related */
#define CONFIG_ARCH_CPU_INIT
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_SKIP_LOWLEVEL_INIT
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_CMD_BOOTZ
#define CONFIG_OF_LIBFDT
/* general purpose I/O */
#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
#define CONFIG_AT91_GPIO
#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
#define CONFIG_BOOTDELAY 3
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#undef CONFIG_CMD_BDI
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_IMI
#undef CONFIG_CMD_IMLS
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_SOURCE
#define CONFIG_CMD_PING
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_NAND
/*
* SDRAM: 1 bank, min 32, max 128 MB
* 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 (128 * 1024 * 1024)
/*
* 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 */
#ifdef CONFIG_CMD_NAND
#define CONFIG_NAND_ATMEL
#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
#endif
/* NOR flash - no real flash on this board */
#define CONFIG_SYS_NO_FLASH 1
/* Ethernet */
#define CONFIG_MACB
#define CONFIG_RMII
#define CONFIG_AT91_WANTS_COMMON_PHY
/* USB */
#if defined(CONFIG_BOARD_TAURUS)
#define CONFIG_USB_ATMEL
#define CONFIG_USB_OHCI_NEW
#define CONFIG_SYS_USB_OHCI_CPU_INIT
#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
#define CONFIG_USB_STORAGE
#endif
/* load address */
#define CONFIG_SYS_LOAD_ADDR 0x22000000
/* bootstrap in spi flash , u-boot + env + linux in nandflash */
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET 0x100000
#define CONFIG_ENV_OFFSET_REDUND 0x180000
#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
#define CONFIG_BOOTARGS \
"console=ttyS0,115200 earlyprintk " \
"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
"256k(env),256k(env_redundant),256k(spare)," \
"512k(dtb),6M(kernel)ro,-(rootfs) " \
"root=/dev/mtdblock7 rw rootfstype=jffs2"
#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
#define CONFIG_AUTO_COMPLETE
/*
* Size of malloc() pool
*/
#define CONFIG_SYS_MALLOC_LEN \
ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
#endif
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