--- /dev/null
+/*
+ * (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>
+ * (C) Copyright 2014
+ * Heiko Schocher <hs@denx.de>
+ * DENX Software Engineering GmbH
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/at91sam9_sdramc.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_spi.h>
+#include <spi.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 smartweb_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_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 smartweb_macb_hw_init(void)
+{
+ struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA;
+
+ /* 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_PA25) |
+ pin_to_mask(AT91_PIN_PA26) |
+ pin_to_mask(AT91_PIN_PA28),
+ &pioa->pudr);
+
+ at91_phy_reset();
+
+ /* 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_PA25) |
+ pin_to_mask(AT91_PIN_PA26) |
+ 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)
+{
+ /* enable this here, as we have SPL without serial support */
+ at91_seriald_hw_init();
+ return 0;
+}
+
+int board_init(void)
+{
+ /* Adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+ smartweb_nand_hw_init();
+#ifdef CONFIG_MACB
+ smartweb_macb_hw_init();
+#endif
+ /* power LED red */
+ at91_set_gpio_output(AT91_PIN_PC6, 0);
+ at91_set_gpio_output(AT91_PIN_PC7, 1);
+ /* alarm LED off */
+ at91_set_gpio_output(AT91_PIN_PC8, 0);
+ at91_set_gpio_output(AT91_PIN_PC9, 0);
+ /* prog LED red */
+ at91_set_gpio_output(AT91_PIN_PC10, 0);
+ at91_set_gpio_output(AT91_PIN_PC11, 1);
+
+ 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 */
+
+#if defined(CONFIG_SPL_BUILD)
+#include <spl.h>
+#include <nand.h>
+#include <spi_flash.h>
+
+void matrix_init(void)
+{
+ struct at91_matrix *mat = (struct at91_matrix *)ATMEL_BASE_MATRIX;
+
+ writel((readl(&mat->scfg[3]) & (~AT91_MATRIX_SLOT_CYCLE))
+ | AT91_MATRIX_SLOT_CYCLE_(0x40),
+ &mat->scfg[3]);
+}
+
+void spl_board_init(void)
+{
+ at91_set_gpio_output(AT91_PIN_PC6, 1);
+ at91_set_gpio_output(AT91_PIN_PC7, 1);
+ /* alarm LED orange */
+ at91_set_gpio_output(AT91_PIN_PC8, 1);
+ at91_set_gpio_output(AT91_PIN_PC9, 1);
+ /* prog LED red */
+ at91_set_gpio_output(AT91_PIN_PC10, 0);
+ at91_set_gpio_output(AT91_PIN_PC11, 1);
+
+ smartweb_nand_hw_init();
+ at91_set_gpio_input(AT91_PIN_PA28, 1);
+ at91_set_gpio_input(AT91_PIN_PA29, 1);
+
+ /* check if both button are pressed */
+ if (at91_get_gpio_value(AT91_PIN_PA28) == 0 &&
+ at91_get_gpio_value(AT91_PIN_PA29) == 0) {
+ debug("Recovery button pressed\n");
+ nand_init();
+ spl_nand_erase_one(0, 0);
+ }
+}
+
+#define SDRAM_BASE_CONF (AT91_SDRAMC_NC_9 | AT91_SDRAMC_NR_13 \
+ | AT91_SDRAMC_CAS_2 \
+ | AT91_SDRAMC_NB_4 | AT91_SDRAMC_DBW_32 \
+ | AT91_SDRAMC_TWR_VAL(2) | AT91_SDRAMC_TRC_VAL(7) \
+ | AT91_SDRAMC_TRP_VAL(2) | AT91_SDRAMC_TRCD_VAL(2) \
+ | AT91_SDRAMC_TRAS_VAL(5) | AT91_SDRAMC_TXSR_VAL(8))
+
+void mem_init(void)
+{
+ struct at91_matrix *ma = (struct at91_matrix *)ATMEL_BASE_MATRIX;
+ struct at91_port *port = (struct at91_port *)ATMEL_BASE_PIOC;
+ struct sdramc_reg setting;
+
+ setting.cr = SDRAM_BASE_CONF;
+ setting.mdr = AT91_SDRAMC_MD_SDRAM;
+ setting.tr = (CONFIG_SYS_MASTER_CLOCK * 7) / 1000000;
+
+ /*
+ * I write here directly in this register, because this
+ * approach is smaller than calling at91_set_a_periph() in a
+ * for loop. This saved me 96 bytes.
+ */
+ writel(0xffff0000, &port->pdr);
+
+ writel(readl(&ma->ebicsa) | AT91_MATRIX_CS1A_SDRAMC, &ma->ebicsa);
+ sdramc_initialize(ATMEL_BASE_CS1, &setting);
+}
+#endif
--- /dev/null
+/*
+ * (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>
+ *
+ * (C) Copyright 2014
+ * Heiko Schocher <hs@denx.de>
+ * DENX Software Engineering GmbH
+ *
+ * Configuation settings for the smartweb.
+ *
+ * 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>
+
+/*
+ * 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 0x23000000
+
+/* ARM asynchronous clock */
+#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
+#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */
+
+/* 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 */
+# define CONFIG_MACH_TYPE MACH_TYPE_SMARTWEB
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_AUTO_COMPLETE
+
+/* The LED PINs */
+#define CONFIG_RED_LED AT91_PIN_PA9
+#define CONFIG_GREEN_LED AT91_PIN_PA6
+
+/*
+ * 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)
+
+/* 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
+
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_MTD_DEVICE
+#define MTDIDS_NAME_STR "atmel_nand"
+#define MTDIDS_DEFAULT "nand0=" MTDIDS_NAME_STR
+#define MTDPARTS_DEFAULT "mtdparts=" MTDIDS_NAME_STR ":" \
+ "128k(Bootstrap)," \
+ "896k(U-Boot)," \
+ "512k(ENV0)," \
+ "512k(ENV1)," \
+ "4M(Linux)," \
+ "-(Root-FS)"
+
+/* 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
+
+/*
+ * Ethernet configuration
+ *
+ */
+#define CONFIG_MACB
+#define CONFIG_RMII /* use reduced MII inteface */
+#define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */
+#define CONFIG_AT91_WANTS_COMMON_PHY
+
+/* 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"
+
+/* Enable the watchdog */
+#define CONFIG_AT91SAM9_WATCHDOG
+#if !defined(CONFIG_SPL_BUILD)
+#define CONFIG_HW_WATCHDOG
+#endif
+#define CONFIG_AT91_HW_WDT_TIMEOUT 15
+
+#if !defined(CONFIG_SPL_BUILD)
+/* USB configuration */
+#define CONFIG_USB_ATMEL
+#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
+#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
+#endif
+
+/* General Boot Parameter */
+#define CONFIG_BOOTDELAY 3
+#define CONFIG_BOOTCOMMAND "run flashboot"
+#define CONFIG_SYS_PROMPT "U-Boot> "
+#define CONFIG_SYS_CBSIZE 512
+#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:
+ */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET (0x100000)
+#define CONFIG_ENV_OFFSET_REDUND (0x180000)
+#define CONFIG_ENV_RANGE (0x80000)
+#define CONFIG_ENV_SIZE (0x20000)
+
+/*
+ * Predefined environment variables.
+ * Usefull to define some easy to use boot commands.
+ */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ \
+ "basicargs=console=ttyS0,115200\0" \
+ \
+ "mtdparts="MTDPARTS_DEFAULT"\0"
+
+/* Command line & features configuration */
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_IMI
+#undef CONFIG_CMD_IMLS
+#undef CONFIG_CMD_LOADS
+
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_USB
+#define CONFIG_CMD_FAT
+
+#ifdef CONFIG_MACB
+# define CONFIG_CMD_PING
+# define CONFIG_CMD_DHCP
+#else
+# undef CONFIG_CMD_BOOTD
+# undef CONFIG_CMD_NET
+# undef CONFIG_CMD_NFS
+#endif /* CONFIG_MACB */
+
+#if !defined(CONFIG_SPL_BUILD)
+/* Enable Device-Tree (FDT) support */
+#define CONFIG_OF_LIBFDT
+#define CONFIG_CMD_FDT
+#define CONFIG_FIT
+#endif
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_INIT_SP_ADDR 0x301000
+#define CONFIG_SPL_STACK_R
+#define CONFIG_SPL_STACK_R_ADDR CONFIG_SYS_TEXT_BASE
+#else
+/*
+ * 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)
+#endif
+
+
+/* Defines for SPL */
+#define CONFIG_SPL_FRAMEWORK
+#define CONFIG_SPL_TEXT_BASE 0x0
+#define CONFIG_SPL_MAX_SIZE (4 * 1024)
+
+#define CONFIG_SPL_BSS_START_ADDR CONFIG_SYS_SDRAM_BASE
+#define CONFIG_SPL_BSS_MAX_SIZE (16 * 1024)
+#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
+ CONFIG_SPL_BSS_MAX_SIZE)
+#define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
+#define CONFIG_SPL_LDSCRIPT arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
+
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+
+#define CONFIG_SPL_BOARD_INIT
+#define CONFIG_SPL_GPIO_SUPPORT
+#define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14)
+#define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SYS_USE_NANDFLASH 1
+#define CONFIG_SPL_NAND_DRIVERS
+#define CONFIG_SPL_NAND_BASE
+#define CONFIG_SPL_NAND_ECC
+#define CONFIG_SPL_NAND_RAW_ONLY
+#define CONFIG_SPL_NAND_SOFTECC
+#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000
+#define CONFIG_SYS_NAND_U_BOOT_SIZE 0x80000
+#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+
+#define CONFIG_SYS_NAND_SIZE (256*1024*1024)
+#define CONFIG_SYS_NAND_PAGE_SIZE 2048
+#define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
+#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
+ CONFIG_SYS_NAND_PAGE_SIZE)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
+#define CONFIG_SYS_NAND_ECCSIZE 256
+#define CONFIG_SYS_NAND_ECCBYTES 3
+#define CONFIG_SYS_NAND_OOBSIZE 64
+#define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \
+ 48, 49, 50, 51, 52, 53, 54, 55, \
+ 56, 57, 58, 59, 60, 61, 62, 63, }
+
+#define CONFIG_SPL_ATMEL_SIZE
+#define CONFIG_SYS_MASTER_CLOCK (198656000/2)
+#define AT91_PLL_LOCK_TIMEOUT 1000000
+#define CONFIG_SYS_AT91_PLLA 0x2060bf09
+#define CONFIG_SYS_MCKR 0x100
+#define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR)
+#define CONFIG_SYS_AT91_PLLB 0x10483f0e
+
+#if defined(CONFIG_SPL_BUILD)
+#define CONFIG_SYS_THUMB_BUILD
+#define CONFIG_SYS_ICACHE_OFF
+#define CONFIG_SYS_DCACHE_OFF
+#undef CONFIG_SPL_OS_BOOT /* Not supported by existing map */
+#endif
+#endif /* __CONFIG_H */
projects / u-boot / commitdiff