[U-Boot] [PATCH 2/2] board: atmel: add SAMA5D2 PTC Engineering board
Wenyou Yang
wenyou.yang at atmel.com
Fri Feb 26 10:20:26 CET 2016
The board supports following features:
- Boot media support: NAND Flash/SPI Flash
- Support ethernet
- Support USB mass storage
Signed-off-by: Wenyou Yang <wenyou.yang at atmel.com>
---
arch/arm/mach-at91/Kconfig | 6 +
board/atmel/sama5d2_ptc/Kconfig | 15 ++
board/atmel/sama5d2_ptc/MAINTAINERS | 7 +
board/atmel/sama5d2_ptc/Makefile | 8 +
board/atmel/sama5d2_ptc/sama5d2_ptc.c | 285 +++++++++++++++++++++++++++++++
configs/sama5d2_ptc_nandflash_defconfig | 12 ++
configs/sama5d2_ptc_spiflash_defconfig | 12 ++
include/configs/sama5d2_ptc.h | 155 +++++++++++++++++
8 files changed, 500 insertions(+)
create mode 100644 board/atmel/sama5d2_ptc/Kconfig
create mode 100644 board/atmel/sama5d2_ptc/MAINTAINERS
create mode 100644 board/atmel/sama5d2_ptc/Makefile
create mode 100644 board/atmel/sama5d2_ptc/sama5d2_ptc.c
create mode 100644 configs/sama5d2_ptc_nandflash_defconfig
create mode 100644 configs/sama5d2_ptc_spiflash_defconfig
create mode 100644 include/configs/sama5d2_ptc.h
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 9ce775e..73a9c74 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -71,6 +71,11 @@ config TARGET_AT91SAM9X5EK
select CPU_ARM926EJS
select SUPPORT_SPL
+config TARGET_SAMA5D2_PTC
+ bool "SAMA5D2 PTC board"
+ select CPU_V7
+ select SUPPORT_SPL
+
config TARGET_SAMA5D2_XPLAINED
bool "SAMA5D2 Xplained board"
select CPU_V7
@@ -138,6 +143,7 @@ source "board/atmel/at91sam9m10g45ek/Kconfig"
source "board/atmel/at91sam9n12ek/Kconfig"
source "board/atmel/at91sam9rlek/Kconfig"
source "board/atmel/at91sam9x5ek/Kconfig"
+source "board/atmel/sama5d2_ptc/Kconfig"
source "board/atmel/sama5d2_xplained/Kconfig"
source "board/atmel/sama5d3_xplained/Kconfig"
source "board/atmel/sama5d3xek/Kconfig"
diff --git a/board/atmel/sama5d2_ptc/Kconfig b/board/atmel/sama5d2_ptc/Kconfig
new file mode 100644
index 0000000..d2661c6
--- /dev/null
+++ b/board/atmel/sama5d2_ptc/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_SAMA5D2_PTC
+
+config SYS_BOARD
+ default "sama5d2_ptc"
+
+config SYS_VENDOR
+ default "atmel"
+
+config SYS_SOC
+ default "at91"
+
+config SYS_CONFIG_NAME
+ default "sama5d2_ptc"
+
+endif
diff --git a/board/atmel/sama5d2_ptc/MAINTAINERS b/board/atmel/sama5d2_ptc/MAINTAINERS
new file mode 100644
index 0000000..7ab03d6
--- /dev/null
+++ b/board/atmel/sama5d2_ptc/MAINTAINERS
@@ -0,0 +1,7 @@
+SAMA5D2 PTC Engineering BOARD
+M: Wenyou Yang <wenyou.yang at atmel.com>
+S: Maintained
+F: board/atmel/sama5d2_ptc/
+F: include/configs/sama5d2_ptc.h
+F: configs/sama5d2_ptc_spiflash_defconfig
+F: configs/sama5d2_ptc_nandflash_defconfig
diff --git a/board/atmel/sama5d2_ptc/Makefile b/board/atmel/sama5d2_ptc/Makefile
new file mode 100644
index 0000000..1fe0392
--- /dev/null
+++ b/board/atmel/sama5d2_ptc/Makefile
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2016 Atmel
+# Wenyou Yang <wenyou.yang at atmel.com>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += sama5d2_ptc.o
diff --git a/board/atmel/sama5d2_ptc/sama5d2_ptc.c b/board/atmel/sama5d2_ptc/sama5d2_ptc.c
new file mode 100644
index 0000000..9e6544b
--- /dev/null
+++ b/board/atmel/sama5d2_ptc/sama5d2_ptc.c
@@ -0,0 +1,285 @@
+/*
+ * Copyright (C) 2016 Atmel
+ * Wenyou.Yang <wenyou.yang at atmel.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <atmel_hlcdc.h>
+#include <lcd.h>
+#include <mmc.h>
+#include <net.h>
+#include <netdev.h>
+#include <spi.h>
+#include <version.h>
+#include <asm/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/atmel_pio4.h>
+#include <asm/arch/atmel_mpddrc.h>
+#include <asm/arch/atmel_usba_udc.h>
+#include <asm/arch/atmel_sdhci.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/sama5_sfr.h>
+#include <asm/arch/sama5d2.h>
+#include <asm/arch/sama5d3_smc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+ return bus == 0 && cs == 0;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+ atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 0);
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+ atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 1);
+}
+
+static void board_spi0_hw_init(void)
+{
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 14, 0);
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 15, 0);
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 16, 0);
+
+ atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 1);
+
+ at91_periph_clk_enable(ATMEL_ID_SPI0);
+}
+
+static void board_nand_hw_init(void)
+{
+ struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+ struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
+
+ at91_periph_clk_enable(ATMEL_ID_HSMC);
+
+ writel(AT91_SFR_EBICFG_DRIVE0_HIGH |
+ AT91_SFR_EBICFG_PULL0_NONE |
+ AT91_SFR_EBICFG_DRIVE1_HIGH |
+ AT91_SFR_EBICFG_PULL1_NONE, &sfr->ebicfg);
+
+ /* Configure SMC CS3 for NAND */
+ writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
+ AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
+ &smc->cs[3].setup);
+ writel(AT91_SMC_PULSE_NWE(2) | AT91_SMC_PULSE_NCS_WR(3) |
+ AT91_SMC_PULSE_NRD(2) | 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_TIMINGS_TCLR(2) | AT91_SMC_TIMINGS_TADL(7) |
+ AT91_SMC_TIMINGS_TAR(2) | AT91_SMC_TIMINGS_TRR(3) |
+ AT91_SMC_TIMINGS_TWB(7) | AT91_SMC_TIMINGS_RBNSEL(3) |
+ AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings);
+ 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);
+
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 0, 0); /* D0 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 1, 0); /* D1 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 2, 0); /* D2 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 3, 0); /* D3 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 4, 0); /* D4 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 5, 0); /* D5 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 6, 0); /* D6 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 7, 0); /* D7 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 12, 0); /* RE */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 8, 0); /* WE */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 9, 1); /* NCS */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 21, 1); /* RDY */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 10, 1); /* ALE */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTA, 11, 1); /* CLE */
+}
+
+static void board_usb_hw_init(void)
+{
+ atmel_pio4_set_pio_output(AT91_PIO_PORTA, 28, 1);
+}
+
+static void board_gmac_hw_init(void)
+{
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 14, 0); /* GTXCK */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 15, 0); /* GTXEN */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 16, 0); /* GRXDV */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 17, 0); /* GRXER */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 18, 0); /* GRX0 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 19, 0); /* GRX1 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 20, 0); /* GTX0 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 21, 0); /* GTX1 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 22, 0); /* GMDC */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 23, 0); /* GMDIO */
+
+ at91_periph_clk_enable(ATMEL_ID_GMAC);
+}
+
+static void board_uart0_hw_init(void)
+{
+ atmel_pio4_set_c_periph(AT91_PIO_PORTB, 26, 1); /* URXD0 */
+ atmel_pio4_set_c_periph(AT91_PIO_PORTB, 27, 0); /* UTXD0 */
+
+ at91_periph_clk_enable(CONFIG_USART_ID);
+}
+
+int board_early_init_f(void)
+{
+ at91_periph_clk_enable(ATMEL_ID_PIOA);
+ at91_periph_clk_enable(ATMEL_ID_PIOB);
+ at91_periph_clk_enable(ATMEL_ID_PIOC);
+ at91_periph_clk_enable(ATMEL_ID_PIOD);
+
+ board_uart0_hw_init();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_ATMEL_SPI
+ board_spi0_hw_init();
+#endif
+#ifdef CONFIG_NAND_ATMEL
+ board_nand_hw_init();
+#endif
+#ifdef CONFIG_MACB
+ board_gmac_hw_init();
+#endif
+#ifdef CONFIG_CMD_USB
+ board_usb_hw_init();
+#endif
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+ at91_udp_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_GMAC, 0x00);
+ if (rc)
+ printf("GMAC register failed\n");
+#endif
+
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+ usba_udc_probe(&pdata);
+#ifdef CONFIG_USB_ETH_RNDIS
+ usb_eth_initialize(bis);
+#endif
+#endif
+
+ return rc;
+}
+
+/* SPL */
+#ifdef CONFIG_SPL_BUILD
+void spl_board_init(void)
+{
+#ifdef CONFIG_SYS_USE_SERIALFLASH
+ board_spi0_hw_init();
+#endif
+
+#ifdef CONFIG_SYS_USE_NANDFLASH
+ board_nand_hw_init();
+#endif
+}
+
+static void ddrc_conf(struct atmel_mpddrc_config *ddrc)
+{
+ ddrc->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR3_SDRAM);
+
+ ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
+ ATMEL_MPDDRC_CR_NR_ROW_14 |
+ ATMEL_MPDDRC_CR_CAS_DDR_CAS5 |
+ ATMEL_MPDDRC_CR_DIC_DS |
+ ATMEL_MPDDRC_CR_DIS_DLL |
+ ATMEL_MPDDRC_CR_NB_8BANKS |
+ ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
+ ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
+
+ ddrc->rtr = 0x511;
+
+ ddrc->tpr0 = ((6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET) |
+ (3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET) |
+ (4 << ATMEL_MPDDRC_TPR0_TWR_OFFSET) |
+ (9 << ATMEL_MPDDRC_TPR0_TRC_OFFSET) |
+ (3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET) |
+ (4 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET) |
+ (4 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET) |
+ (4 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET));
+
+ ddrc->tpr1 = ((27 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET) |
+ (29 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET) |
+ (0 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET) |
+ (3 << ATMEL_MPDDRC_TPR1_TXP_OFFSET));
+
+ ddrc->tpr2 = ((0 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET) |
+ (0 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET) |
+ (0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET) |
+ (4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET) |
+ (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET));
+}
+
+void mem_init(void)
+{
+ struct atmel_mpddr *mpddrc = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC;
+ struct atmel_mpddrc_config ddrc_config;
+ u32 reg;
+
+ ddrc_conf(&ddrc_config);
+
+ at91_periph_clk_enable(ATMEL_ID_MPDDRC);
+ at91_system_clk_enable(AT91_PMC_DDR);
+
+ reg = readl(&mpddrc->io_calibr);
+ reg &= ~ATMEL_MPDDRC_IO_CALIBR_RDIV;
+ reg |= ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55;
+ reg &= ~ATMEL_MPDDRC_IO_CALIBR_TZQIO;
+ reg |= ATMEL_MPDDRC_IO_CALIBR_TZQIO_(100);
+ writel(reg, &mpddrc->io_calibr);
+
+ writel(ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_TWO_CYCLE,
+ &mpddrc->rd_data_path);
+
+ ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config);
+
+ writel(0x3, &mpddrc->cal_mr4);
+ writel(64, &mpddrc->tim_cal);
+}
+
+void at91_pmc_init(void)
+{
+ at91_plla_init(AT91_PMC_PLLAR_29 |
+ AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
+ AT91_PMC_PLLXR_MUL(82) |
+ AT91_PMC_PLLXR_DIV(1));
+
+ at91_pllicpr_init(0);
+
+ at91_mck_init(AT91_PMC_MCKR_H32MXDIV |
+ AT91_PMC_MCKR_PLLADIV_2 |
+ AT91_PMC_MCKR_MDIV_3 |
+ AT91_PMC_MCKR_CSS_PLLA);
+}
+#endif
diff --git a/configs/sama5d2_ptc_nandflash_defconfig b/configs/sama5d2_ptc_nandflash_defconfig
new file mode 100644
index 0000000..7425184
--- /dev/null
+++ b/configs/sama5d2_ptc_nandflash_defconfig
@@ -0,0 +1,12 @@
+CONFIG_ARM=y
+CONFIG_ARCH_AT91=y
+CONFIG_TARGET_SAMA5D2_PTC=y
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2,SYS_USE_NANDFLASH"
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_SF=y
+# CONFIG_CMD_FPGA is not set
+CONFIG_SPI_FLASH=y
diff --git a/configs/sama5d2_ptc_spiflash_defconfig b/configs/sama5d2_ptc_spiflash_defconfig
new file mode 100644
index 0000000..27fc394
--- /dev/null
+++ b/configs/sama5d2_ptc_spiflash_defconfig
@@ -0,0 +1,12 @@
+CONFIG_ARM=y
+CONFIG_ARCH_AT91=y
+CONFIG_TARGET_SAMA5D2_PTC=y
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2,SYS_USE_SERIALFLASH"
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_SF=y
+# CONFIG_CMD_FPGA is not set
+CONFIG_SPI_FLASH=y
diff --git a/include/configs/sama5d2_ptc.h b/include/configs/sama5d2_ptc.h
new file mode 100644
index 0000000..d91d75e
--- /dev/null
+++ b/include/configs/sama5d2_ptc.h
@@ -0,0 +1,155 @@
+/*
+ * Configuration settings for the SAMA5D2 PTC Engineering board.
+ *
+ * Copyright (C) 2016 Atmel
+ * Wenyou Yang <wenyou.yang at atmel.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* No NOR flash, this definition should put before common header */
+#define CONFIG_SYS_NO_FLASH
+
+#include "at91-sama5_common.h"
+
+/* serial console */
+#define CONFIG_ATMEL_USART
+#define CONFIG_USART_BASE ATMEL_BASE_UART0
+#define CONFIG_USART_ID ATMEL_ID_UART0
+
+#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_DDRCS
+#define CONFIG_SYS_SDRAM_SIZE 0x20000000
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_INIT_SP_ADDR 0x210000
+#else
+#define CONFIG_SYS_INIT_SP_ADDR \
+ (CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)
+#endif
+
+#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
+
+#undef CONFIG_AT91_GPIO
+#define CONFIG_ATMEL_PIO4
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS 1
+
+/* SerialFlash */
+#ifdef CONFIG_CMD_SF
+#define CONFIG_ATMEL_SPI
+#define CONFIG_SPI_FLASH_ATMEL
+#define CONFIG_SF_DEFAULT_BUS 0
+#define CONFIG_SF_DEFAULT_CS 0
+#define CONFIG_SF_DEFAULT_SPEED 30000000
+#endif
+
+/* NAND flash */
+#define CONFIG_CMD_NAND
+
+#ifdef CONFIG_CMD_NAND
+#define CONFIG_NAND_ATMEL
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
+/* our ALE is AD21 */
+#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
+/* our CLE is AD22 */
+#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+/* PMECC & PMERRLOC */
+#define CONFIG_ATMEL_NAND_HWECC
+#define CONFIG_ATMEL_NAND_HW_PMECC
+#define CONFIG_CMD_NAND_TRIMFFS
+#endif
+
+/* USB */
+#define CONFIG_CMD_USB
+
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_ATMEL
+#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
+#define CONFIG_USB_STORAGE
+#endif
+
+/* USB device */
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_ATMEL_USBA
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETH_RNDIS
+#define CONFIG_USBNET_MANUFACTURER "Atmel SAMA5D2_PTC"
+
+#if defined(CONFIG_CMD_USB)
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif
+
+/* Ethernet Hardware */
+#define CONFIG_MACB
+#define CONFIG_RMII
+#define CONFIG_NET_RETRY_COUNT 20
+#define CONFIG_MACB_SEARCH_PHY
+
+#ifdef CONFIG_SYS_USE_NANDFLASH
+#undef CONFIG_ENV_OFFSET
+#undef CONFIG_ENV_OFFSET_REDUND
+#undef CONFIG_BOOTCOMMAND
+/* u-boot env in nand flash */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET 0x200000
+#define CONFIG_ENV_OFFSET_REDUND 0x400000
+#define CONFIG_BOOTCOMMAND "nand read 0x21000000 0xb80000 0x80000;" \
+ "nand read 0x22000000 0x600000 0x600000;" \
+ "bootz 0x22000000 - 0x21000000"
+#endif
+
+#undef CONFIG_BOOTARGS
+#define CONFIG_BOOTARGS \
+ "console=ttyS0,57600 earlyprintk " \
+ "mtdparts=atmel_nand:6M(bootstrap)ro, 6M(kernel)ro,-(rootfs) " \
+ "rootfstype=ubifs ubi.mtd=2 root=ubi0:rootfs"
+
+/* SPL */
+#define CONFIG_SPL_FRAMEWORK
+#define CONFIG_SPL_TEXT_BASE 0x200000
+#define CONFIG_SPL_MAX_SIZE 0x10000
+#define CONFIG_SPL_BSS_START_ADDR 0x20000000
+#define CONFIG_SPL_BSS_MAX_SIZE 0x80000
+#define CONFIG_SYS_SPL_MALLOC_START 0x20080000
+#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
+
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+#define CONFIG_SPL_GPIO_SUPPORT
+#define CONFIG_SPL_SERIAL_SUPPORT
+
+#define CONFIG_SPL_BOARD_INIT
+#define CONFIG_SYS_MONITOR_LEN (512 << 10)
+
+#ifdef CONFIG_SYS_USE_SERIALFLASH
+#define CONFIG_SPL_SPI_SUPPORT
+#define CONFIG_SPL_SPI_FLASH_SUPPORT
+#define CONFIG_SPL_SPI_LOAD
+#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8000
+
+#elif CONFIG_SYS_USE_NANDFLASH
+#define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SPL_NAND_DRIVERS
+#define CONFIG_SPL_NAND_BASE
+#define CONFIG_PMECC_CAP 8
+#define CONFIG_PMECC_SECTOR_SIZE 512
+#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_PAGE_SIZE 0x1000
+#define CONFIG_SYS_NAND_PAGE_COUNT 64
+#define CONFIG_SYS_NAND_OOBSIZE 224
+#define CONFIG_SYS_NAND_BLOCK_SIZE 0x40000
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0
+#define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER
+#endif
+
+#endif
--
1.7.9.5
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