[PATCH 1/4] board: Add sam9x60_curiosity support
Durai.ManickamKR at microchip.com
Durai.ManickamKR at microchip.com
Tue Mar 22 09:58:56 CET 2022
On 21/03/22 22:02, Eugen Hristev - M18282 wrote:
> On 3/21/22 12:34 PM, Durai Manickam KR wrote:
>> Add board files, Kconfig, Makefile and MAINTAINERS.
>>
>> Signed-off-by: Durai Manickam KR <durai.manickamkr at microchip.com>
>> ---
>> arch/arm/mach-at91/Kconfig | 10 ++
>> board/atmel/sam9x60_curiosity/Kconfig | 15 ++
>> board/atmel/sam9x60_curiosity/MAINTAINERS | 6 +
>> board/atmel/sam9x60_curiosity/Makefile | 7 +
>> .../sam9x60_curiosity/sam9x60_curiosity.c | 139 ++++++++++++++++++
>> include/configs/sam9x60_curiosity.h | 67 +++++++++
>> 6 files changed, 244 insertions(+)
>> create mode 100644 board/atmel/sam9x60_curiosity/Kconfig
>> create mode 100644 board/atmel/sam9x60_curiosity/MAINTAINERS
>> create mode 100644 board/atmel/sam9x60_curiosity/Makefile
>> create mode 100644 board/atmel/sam9x60_curiosity/sam9x60_curiosity.c
>> create mode 100644 include/configs/sam9x60_curiosity.h
>>
>> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
>> index 00f31045d6..7a1dbff069 100644
>> --- a/arch/arm/mach-at91/Kconfig
>> +++ b/arch/arm/mach-at91/Kconfig
>> @@ -161,6 +161,12 @@ config TARGET_SAM9X60EK
>> select BOARD_EARLY_INIT_F
>> select BOARD_LATE_INIT
>>
>> +config TARGET_SAM9X60_CURIOSITY
>> + bool "SAM9X60 CURIOSITY board"
>> + select SAM9X60
>> + select BOARD_EARLY_INIT_F
>> + select BOARD_LATE_INIT
>> +
>> config TARGET_SAMA5D2_PTC_EK
>> bool "SAMA5D2 PTC EK board"
>> select BOARD_EARLY_INIT_F
>> @@ -310,6 +316,9 @@ config AT91_EFLASH
>> Enable the driver for the embedded flash used in the Atmel
>> AT91SAM9XE devices.
>>
>> +config ATMEL_LEGACY
>> + bool "Legacy GPIO support"
>> +
>
> Hello Durai,
>
> ATMEL_LEGACY has been previously converted to Kconfig with this commit :
>
> https://source.denx.de/u-boot/custodians/u-boot-at91/-/commit/cb81640011270dae6346979ef36264a72cf3b565
>
> So please rebase your series on top of u-boot/next or u-boot-at91/next
> which is created on top of next and includes patches for the next u-boot
> merge window.
>
> Thank you !
>
Hello Eugen,
Thanks, I have sent patches on top of u-boot/next branch.
>> source "board/atmel/at91sam9260ek/Kconfig"
>> source "board/atmel/at91sam9261ek/Kconfig"
>> source "board/atmel/at91sam9263ek/Kconfig"
>> @@ -318,6 +327,7 @@ source "board/atmel/at91sam9n12ek/Kconfig"
>> source "board/atmel/at91sam9rlek/Kconfig"
>> source "board/atmel/at91sam9x5ek/Kconfig"
>> source "board/atmel/sam9x60ek/Kconfig"
>> +source "board/atmel/sam9x60_curiosity/Kconfig"
>> source "board/atmel/sama7g5ek/Kconfig"
>> source "board/atmel/sama5d2_ptc_ek/Kconfig"
>> source "board/atmel/sama5d2_xplained/Kconfig"
>> diff --git a/board/atmel/sam9x60_curiosity/Kconfig b/board/atmel/sam9x60_curiosity/Kconfig
>> new file mode 100644
>> index 0000000000..ae84e0f32c
>> --- /dev/null
>> +++ b/board/atmel/sam9x60_curiosity/Kconfig
>> @@ -0,0 +1,15 @@
>> +if TARGET_SAM9X60_CURIOSITY
>> +
>> +config SYS_BOARD
>> + default "sam9x60_curiosity"
>> +
>> +config SYS_VENDOR
>> + default "atmel"
>> +
>> +config SYS_SOC
>> + default "at91"
>> +
>> +config SYS_CONFIG_NAME
>> + default "sam9x60_curiosity"
>> +
>> +endif
>> diff --git a/board/atmel/sam9x60_curiosity/MAINTAINERS b/board/atmel/sam9x60_curiosity/MAINTAINERS
>> new file mode 100644
>> index 0000000000..84a3a9f186
>> --- /dev/null
>> +++ b/board/atmel/sam9x60_curiosity/MAINTAINERS
>> @@ -0,0 +1,6 @@
>> +SAM9X60 CURIOSITY BOARD
>> +M: Durai Manickam KR <durai.manickamkr at microchip.com>
>> +M: Eugen Hristev <eugen.hristev at microchip.com>
>> +S: Maintained
>> +F: board/atmel/sam9x60_curiosity/
>> +F: include/configs/sam9x60_curiosity.h
>> diff --git a/board/atmel/sam9x60_curiosity/Makefile b/board/atmel/sam9x60_curiosity/Makefile
>> new file mode 100644
>> index 0000000000..c4d17e66d4
>> --- /dev/null
>> +++ b/board/atmel/sam9x60_curiosity/Makefile
>> @@ -0,0 +1,7 @@
>> +# SPDX-License-Identifier: GPL-2.0+
>> +#
>> +# Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
>> +#
>> +# Author: Durai Manickam KR <durai.manickamkr at microchip.com>
>> +
>> +obj-y += sam9x60_curiosity.o
>> diff --git a/board/atmel/sam9x60_curiosity/sam9x60_curiosity.c b/board/atmel/sam9x60_curiosity/sam9x60_curiosity.c
>> new file mode 100644
>> index 0000000000..3c5470b03c
>> --- /dev/null
>> +++ b/board/atmel/sam9x60_curiosity/sam9x60_curiosity.c
>> @@ -0,0 +1,139 @@
>> +// SPDX-License-Identifier: GPL-2.0+
>> +/*
>> + * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
>> + *
>> + * Author: Durai Manickam KR <durai.manickamkr at microchip.com>
>> + */
>> +
>> +#include <common.h>
>> +#include <debug_uart.h>
>> +#include <fdtdec.h>
>> +#include <init.h>
>> +#include <asm/arch/at91_common.h>
>> +#include <asm/arch/at91_rstc.h>
>> +#include <asm/arch/at91_sfr.h>
>> +#include <asm/arch/at91sam9_smc.h>
>> +#include <asm/arch/clk.h>
>> +#include <asm/arch/gpio.h>
>> +#include <asm/global_data.h>
>> +#include <asm/io.h>
>> +#include <asm/mach-types.h>
>> +
>> +DECLARE_GLOBAL_DATA_PTR;
>> +
>> +void at91_prepare_cpu_var(void);
>> +
>> +#ifdef CONFIG_CMD_NAND
>> +static void sam9x60_curiosity_nand_hw_init(void)
>> +{
>> + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
>> + struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
>> + unsigned int csa;
>> +
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 0, 1); /* NAND OE */
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 1, 1); /* NAND WE */
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 2, 0); /* NAND ALE */
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 3, 0); /* NAND CLE */
>> + /* Enable NandFlash */
>> + at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
>> + /* Configure RDY/BSY */
>> + at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 6, 1);
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 7, 1);
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 8, 1);
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 9, 1);
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 10, 1);
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 11, 1);
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 12, 1);
>> + at91_pio3_set_a_periph(AT91_PIO_PORTD, 13, 1);
>> +
>> + at91_periph_clk_enable(ATMEL_ID_PIOD);
>> +
>> + /* Enable CS3 */
>> + csa = readl(&sfr->ebicsa);
>> + csa |= AT91_SFR_CCFG_EBI_CSA(3, 1) | AT91_SFR_CCFG_NFD0_ON_D16;
>> +
>> + /* Configure IO drive */
>> + csa &= ~AT91_SFR_CCFG_EBI_DRIVE_SAM9X60;
>> +
>> + writel(csa, &sfr->ebicsa);
>> +
>> + /* Configure SMC CS3 for NAND/SmartMedia */
>> + writel(AT91_SMC_SETUP_NWE(4), &smc->cs[3].setup);
>> +
>> + writel(AT91_SMC_PULSE_NWE(10) | AT91_SMC_PULSE_NCS_WR(20) |
>> + AT91_SMC_PULSE_NRD(10) | AT91_SMC_PULSE_NCS_RD(20),
>> + &smc->cs[3].pulse);
>> +
>> + writel(AT91_SMC_CYCLE_NWE(20) | AT91_SMC_CYCLE_NRD(20),
>> + &smc->cs[3].cycle);
>> +
>> + writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
>> +#ifdef CONFIG_SYS_NAND_DBW_16
>> + AT91_SMC_MODE_DBW_16 |
>> +#else /* CONFIG_SYS_NAND_DBW_8 */
>> + AT91_SMC_MODE_DBW_8 |
>> +#endif
>> + AT91_SMC_MODE_TDF | AT91_SMC_MODE_TDF_CYCLE(15),
>> + &smc->cs[3].mode);
>> +}
>> +#endif
>> +
>> +#ifdef CONFIG_BOARD_LATE_INIT
>> +int board_late_init(void)
>> +{
>> + at91_prepare_cpu_var();
>> +
>> + return 0;
>> +}
>> +#endif
>> +
>> +#ifdef CONFIG_DEBUG_UART_BOARD_INIT
>> +void board_debug_uart_init(void)
>> +{
>> + at91_seriald_hw_init();
>> +}
>> +#endif
>> +
>> +#ifdef CONFIG_BOARD_EARLY_INIT_F
>> +int board_early_init_f(void)
>> +{
>> +#ifdef CONFIG_DEBUG_UART
>> + debug_uart_init();
>> +#endif
>> + return 0;
>> +}
>> +#endif
>> +
>> +#define MAC24AA_MAC_OFFSET 0xfa
>> +
>> +#ifdef CONFIG_MISC_INIT_R
>> +int misc_init_r(void)
>> +{
>> +#ifdef CONFIG_I2C_EEPROM
>> + at91_set_ethaddr(MAC24AA_MAC_OFFSET);
>> +#endif
>> + return 0;
>> +}
>> +#endif
>> +
>> +int board_init(void)
>> +{
>> + /* address of boot parameters */
>> + gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
>> +
>> +#ifdef CONFIG_CMD_NAND
>> + sam9x60_curiosity_nand_hw_init();
>> +#endif
>> + return 0;
>> +}
>> +
>> +int dram_init_banksize(void)
>> +{
>> + return fdtdec_setup_memory_banksize();
>> +}
>> +
>> +int dram_init(void)
>> +{
>> + return fdtdec_setup_mem_size_base();
>> +}
>> diff --git a/include/configs/sam9x60_curiosity.h b/include/configs/sam9x60_curiosity.h
>> new file mode 100644
>> index 0000000000..4ec380ee54
>> --- /dev/null
>> +++ b/include/configs/sam9x60_curiosity.h
>> @@ -0,0 +1,67 @@
>> +/* SPDX-License-Identifier: GPL-2.0+ */
>> +/*
>> + * Configuration settings for the SAM9X60 CURIOSITY board.
>> + *
>> + * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
>> + *
>> + * Author: Durai Manickam KR <durai.manickamkr at microchip.com>
>> + */
>> +
>> +#ifndef __CONFIG_H__
>> +#define __CONFIG_H__
>> +
>> +#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
>> +#define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* 24 MHz crystal */
>> +
>> +#define CONFIG_USART_BASE ATMEL_BASE_DBGU
>> +#define CONFIG_USART_ID 0 /* ignored in arm */
>> +
>> +/*
>> + * BOOTP options
>> + */
>> +#define CONFIG_BOOTP_BOOTFILESIZE
>> +
>> +/* SDRAM */
>> +#define CONFIG_SYS_SDRAM_BASE 0x20000000
>> +#define CONFIG_SYS_SDRAM_SIZE 0x8000000 /* 128 MB */
>> +
>> +#ifdef CONFIG_SPL_BUILD
>> +#define CONFIG_SYS_INIT_SP_ADDR 0x218000
>> +#else
>> +#define CONFIG_SYS_INIT_SP_ADDR \
>> + (CONFIG_SYS_SDRAM_BASE + 16 * 1024 + CONFIG_SYS_MALLOC_F_LEN - \
>> + GENERATED_GBL_DATA_SIZE)
>> +#endif
>> +
>> +/* NAND flash */
>> +#ifdef CONFIG_CMD_NAND
>> +#define CONFIG_SYS_MAX_NAND_DEVICE 1
>> +#define CONFIG_SYS_NAND_BASE 0x40000000
>> +#define CONFIG_SYS_NAND_MASK_ALE BIT(21)
>> +#define CONFIG_SYS_NAND_MASK_CLE BIT(22)
>> +#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4
>> +#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD5
>> +#define CONFIG_SYS_NAND_ONFI_DETECTION
>> +#endif
>> +
>> +#ifndef CONFIG_BOOTCOMMAND
>> +#ifdef CONFIG_SD_BOOT
>> +/* bootstrap + u-boot + env + linux in sd card */
>> +#define CONFIG_BOOTCOMMAND "fatload mmc " CONFIG_ENV_FAT_DEVICE_AND_PART \
>> + " 0x21000000 at91-sam9x60_curiosity.dtb;" \
>> + "fatload mmc " \
>> + CONFIG_ENV_FAT_DEVICE_AND_PART \
>> + " 0x22000000 zImage;" \
>> + "bootz 0x22000000 - 0x21000000"
>> +#elif defined(CONFIG_NAND_BOOT)
>> +/* bootstrap + u-boot + env + linux in nandflash */
>> +#define CONFIG_BOOTCOMMAND "nand read " \
>> + "0x22000000 0x200000 0x600000; " \
>> + "nand read 0x21000000 0x180000 0x20000; " \
>> + "bootz 0x22000000 - 0x21000000"
>> +#else
>> +#define CONFIG_BOOTCOMMAND "Place your bootcommand here"
>> +#endif
>> +#endif
>> +
>> +#endif
>>
>
--
Regards,
Durai Manickam KR
More information about the U-Boot
mailing list