arm, at91: add Siemens board taurus and axm
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>
This commit is contained in:
Heiko Schocher
Andreas Bießmann
parent
bcf9fe37f5
commit
0f8bc283a3
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#
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# Makefile for Siemens TAURUS (AT91SAM9G20) based board
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# (C) Copyright 2013 Siemens AG
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#
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# Based on:
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# U-Boot file: board/atmel/at91sam9260ek/Makefile
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#
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# (C) Copyright 2003-2008
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# (C) Copyright 2008
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# Stelian Pop <stelian@popies.net>
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# Lead Tech Design <www.leadtechdesign.com>
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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obj-y += taurus.o
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/*
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* Board functions for Siemens TAURUS (AT91SAM9G20) based boards
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* (C) Copyright Siemens AG
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*
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* Based on:
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* U-Boot file: board/atmel/at91sam9260ek/at91sam9260ek.c
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*
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* (C) Copyright 2007-2008
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* Stelian Pop <stelian@popies.net>
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* Lead Tech Design <www.leadtechdesign.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/at91sam9260_matrix.h>
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#include <asm/arch/at91sam9_smc.h>
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#include <asm/arch/at91_common.h>
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#include <asm/arch/at91_pmc.h>
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#include <asm/arch/at91_rstc.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/at91sam9_sdramc.h>
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#include <atmel_mci.h>
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#include <net.h>
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#include <netdev.h>
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DECLARE_GLOBAL_DATA_PTR;
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#ifdef CONFIG_CMD_NAND
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static void taurus_nand_hw_init(void)
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{
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struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
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struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
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unsigned long csa;
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/* Assign CS3 to NAND/SmartMedia Interface */
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csa = readl(&matrix->ebicsa);
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csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
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writel(csa, &matrix->ebicsa);
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/* Configure SMC CS3 for NAND/SmartMedia */
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writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
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AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
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&smc->cs[3].setup);
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writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(3) |
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AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(3),
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&smc->cs[3].pulse);
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writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(7),
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&smc->cs[3].cycle);
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writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
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AT91_SMC_MODE_EXNW_DISABLE |
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AT91_SMC_MODE_DBW_8 |
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AT91_SMC_MODE_TDF_CYCLE(3),
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&smc->cs[3].mode);
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/* Configure RDY/BSY */
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at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
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/* Enable NandFlash */
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at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
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}
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#endif
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#ifdef CONFIG_MACB
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static void taurus_macb_hw_init(void)
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{
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struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
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/* Enable EMAC clock */
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writel(1 << ATMEL_ID_EMAC0, &pmc->pcer);
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/*
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* Disable pull-up on:
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* RXDV (PA17) => PHY normal mode (not Test mode)
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* ERX0 (PA14) => PHY ADDR0
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* ERX1 (PA15) => PHY ADDR1
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* ERX2 (PA25) => PHY ADDR2
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* ERX3 (PA26) => PHY ADDR3
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* ECRS (PA28) => PHY ADDR4 => PHYADDR = 0x0
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*
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* PHY has internal pull-down
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*/
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at91_set_pio_pullup(AT91_PIO_PORTA, 14, 0);
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at91_set_pio_pullup(AT91_PIO_PORTA, 15, 0);
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at91_set_pio_pullup(AT91_PIO_PORTA, 17, 0);
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at91_set_pio_pullup(AT91_PIO_PORTA, 25, 0);
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at91_set_pio_pullup(AT91_PIO_PORTA, 26, 0);
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at91_set_pio_pullup(AT91_PIO_PORTA, 28, 0);
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at91_phy_reset();
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at91_set_gpio_input(AT91_PIN_PA25, 1); /* ERST tri-state */
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/* Re-enable pull-up */
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at91_set_pio_pullup(AT91_PIO_PORTA, 14, 1);
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at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1);
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at91_set_pio_pullup(AT91_PIO_PORTA, 17, 1);
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at91_set_pio_pullup(AT91_PIO_PORTA, 25, 1);
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at91_set_pio_pullup(AT91_PIO_PORTA, 26, 1);
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at91_set_pio_pullup(AT91_PIO_PORTA, 28, 1);
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/* Initialize EMAC=MACB hardware */
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at91_macb_hw_init();
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}
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#endif
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#ifdef CONFIG_GENERIC_ATMEL_MCI
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int board_mmc_init(bd_t *bd)
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{
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at91_mci_hw_init();
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return atmel_mci_init((void *)ATMEL_BASE_MCI);
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}
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#endif
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int board_early_init_f(void)
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{
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struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
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/* Enable clocks for all PIOs */
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writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
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(1 << ATMEL_ID_PIOC),
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&pmc->pcer);
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return 0;
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}
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int board_init(void)
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{
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/* adress of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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at91_seriald_hw_init();
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#ifdef CONFIG_CMD_NAND
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taurus_nand_hw_init();
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#endif
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#ifdef CONFIG_MACB
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taurus_macb_hw_init();
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#endif
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return 0;
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}
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int dram_init(void)
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{
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gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
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CONFIG_SYS_SDRAM_SIZE);
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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int rc = 0;
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#ifdef CONFIG_MACB
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rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0x00);
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#endif
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return rc;
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}
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@ -139,6 +139,8 @@ Active arm arm926ejs at91 ronetix pm9263
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Active arm arm926ejs at91 ronetix pm9g45 pm9g45 pm9g45:AT91SAM9G45 Ilko Iliev <iliev@ronetix.at>
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Active arm arm926ejs at91 taskit stamp9g20 portuxg20 stamp9g20:AT91SAM9G20,PORTUXG20 Markus Hubig <mhubig@imko.de>
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Active arm arm926ejs at91 taskit stamp9g20 stamp9g20 stamp9g20:AT91SAM9G20 Markus Hubig <mhubig@imko.de>
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Active arm arm926ejs at91 siemens taurus axm taurus:AT91SAM9G20,MACH_TYPE=2068,BOARD_AXM Heiko Schocher <hs@denx.de>
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Active arm arm926ejs at91 siemens taurus taurus taurus:AT91SAM9G20,MACH_TYPE=2067,BOARD_TAURUS Heiko Schocher <hs@denx.de>
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Active arm arm926ejs davinci ait cam_enc_4xx cam_enc_4xx cam_enc_4xx Heiko Schocher <hs@denx.de>
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Active arm arm926ejs davinci Barix ipam390 ipam390 - Heiko Schocher <hs@denx.de>
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Active arm arm926ejs davinci davinci da8xxevm da830evm - Nick Thompson <nick.thompson@gefanuc.com>
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@ -0,0 +1,160 @@
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/*
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* Common board functions for Siemens TAURUS (AT91SAM9G20) based boards
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* (C) Copyright 2013 Siemens AG
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*
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* Based on:
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* U-Boot file: include/configs/at91sam9260ek.h
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*
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* (C) Copyright 2007-2008
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* Stelian Pop <stelian@popies.net>
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* Lead Tech Design <www.leadtechdesign.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/*
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* SoC must be defined first, before hardware.h is included.
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* In this case SoC is defined in boards.cfg.
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*/
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#include <asm/hardware.h>
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#define MACH_TYPE_TAURUS 2067
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#define MACH_TYPE_AXM 2068
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/*
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* Warning: changing CONFIG_SYS_TEXT_BASE requires
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* adapting the initial boot program.
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* Since the linker has to swallow that define, we must use a pure
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* hex number here!
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*/
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#define CONFIG_SYS_TEXT_BASE 0x23f00000
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/* ARM asynchronous clock */
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#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
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#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
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#define CONFIG_SYS_HZ 1000
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/* Misc CPU related */
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#define CONFIG_ARCH_CPU_INIT
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#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_INITRD_TAG
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#define CONFIG_SKIP_LOWLEVEL_INIT
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#define CONFIG_BOARD_EARLY_INIT_F
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#define CONFIG_DISPLAY_CPUINFO
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#define CONFIG_CMD_BOOTZ
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#define CONFIG_OF_LIBFDT
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/* general purpose I/O */
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#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
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#define CONFIG_AT91_GPIO
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#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
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/* serial console */
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#define CONFIG_ATMEL_USART
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#define CONFIG_USART_BASE ATMEL_BASE_DBGU
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#define CONFIG_USART_ID ATMEL_ID_SYS
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_BOOTDELAY 3
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/*
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* Command line configuration.
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*/
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#include <config_cmd_default.h>
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#undef CONFIG_CMD_BDI
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#undef CONFIG_CMD_FPGA
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#undef CONFIG_CMD_IMI
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#undef CONFIG_CMD_IMLS
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#undef CONFIG_CMD_LOADS
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#undef CONFIG_CMD_SOURCE
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#define CONFIG_CMD_PING
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#define CONFIG_CMD_DHCP
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#define CONFIG_CMD_NAND
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/*
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* SDRAM: 1 bank, min 32, max 128 MB
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* Initialized before u-boot gets started.
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*/
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#define CONFIG_NR_DRAM_BANKS 1
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#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
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#define CONFIG_SYS_SDRAM_SIZE (128 * 1024 * 1024)
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/*
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* Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
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* leaving the correct space for initial global data structure above
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* that address while providing maximum stack area below.
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*/
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# define CONFIG_SYS_INIT_SP_ADDR \
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(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
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/* NAND flash */
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#ifdef CONFIG_CMD_NAND
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#define CONFIG_NAND_ATMEL
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#define CONFIG_SYS_MAX_NAND_DEVICE 1
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#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
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#define CONFIG_SYS_NAND_DBW_8
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#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
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#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
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#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
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#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
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#endif
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/* NOR flash - no real flash on this board */
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#define CONFIG_SYS_NO_FLASH 1
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/* Ethernet */
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#define CONFIG_MACB
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#define CONFIG_RMII
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#define CONFIG_AT91_WANTS_COMMON_PHY
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/* USB */
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#if defined(CONFIG_BOARD_TAURUS)
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#define CONFIG_USB_ATMEL
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#define CONFIG_USB_OHCI_NEW
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#define CONFIG_SYS_USB_OHCI_CPU_INIT
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#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
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#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
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#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
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#define CONFIG_USB_STORAGE
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#endif
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/* load address */
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#define CONFIG_SYS_LOAD_ADDR 0x22000000
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/* bootstrap in spi flash , u-boot + env + linux in nandflash */
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#define CONFIG_ENV_IS_IN_NAND
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#define CONFIG_ENV_OFFSET 0x100000
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#define CONFIG_ENV_OFFSET_REDUND 0x180000
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#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
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#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
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#define CONFIG_BOOTARGS \
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"console=ttyS0,115200 earlyprintk " \
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"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
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"256k(env),256k(env_redundant),256k(spare)," \
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"512k(dtb),6M(kernel)ro,-(rootfs) " \
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"root=/dev/mtdblock7 rw rootfstype=jffs2"
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#define CONFIG_SYS_PROMPT "U-Boot> "
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#define CONFIG_SYS_CBSIZE 256
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#define CONFIG_SYS_MAXARGS 16
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#define CONFIG_SYS_PBSIZE \
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(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_CMDLINE_EDITING
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#define CONFIG_AUTO_COMPLETE
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/*
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* Size of malloc() pool
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*/
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#define CONFIG_SYS_MALLOC_LEN \
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ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
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#endif
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