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
--- - changes for v2: - add comments from bo shen - use gpio api - remove unneccessary comment - use at91_wait_for_reset() - remove unneccessary code in board file - Coding Style cleanup (tabs and unneccessary 1 after config define removed) - add commit message - add comments from Andreas Bießmann andreas.devel@googlemail.com: - detect sdram size on startup without read dram setting - get rid of MACH_TYPE definition in config file - changes for v3: - add comments from Andreas Bießmann: - remove empty line - move at91_seriald_hw_init to early_init - include <net.h> unconditionally - rebased against current commit 2cee0408e5c6f5dbdfa89fb40168ba2ead3f61a6 - rebased based on the spl patches from Bo Shen, see: http://lists.denx.de/pipermail/u-boot/2013-November/166272.html - add CONFIG_AT91_WANTS_COMMON_PHY --- board/siemens/taurus/Makefile | 18 +++++ board/siemens/taurus/taurus.c | 160 ++++++++++++++++++++++++++++++++++++++++++ boards.cfg | 2 + include/configs/taurus.h | 160 ++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 340 insertions(+) create mode 100644 board/siemens/taurus/Makefile create mode 100644 board/siemens/taurus/taurus.c create mode 100644 include/configs/taurus.h
diff --git a/board/siemens/taurus/Makefile b/board/siemens/taurus/Makefile new file mode 100644 index 0000000..a26fb92 --- /dev/null +++ b/board/siemens/taurus/Makefile @@ -0,0 +1,18 @@ +# +# 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 diff --git a/board/siemens/taurus/taurus.c b/board/siemens/taurus/taurus.c new file mode 100644 index 0000000..673b302 --- /dev/null +++ b/board/siemens/taurus/taurus.c @@ -0,0 +1,160 @@ +/* + * 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; +} diff --git a/boards.cfg b/boards.cfg index e742746..202457a 100644 --- a/boards.cfg +++ b/boards.cfg @@ -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 diff --git a/include/configs/taurus.h b/include/configs/taurus.h new file mode 100644 index 0000000..c980023 --- /dev/null +++ b/include/configs/taurus.h @@ -0,0 +1,160 @@ +/* + * 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