[PATCH 1/4] board: Add sam9x60_curiosity support
Durai Manickam KR
durai.manickamkr at microchip.com
Tue Mar 22 09:51:40 CET 2022
Add board files, Kconfig, Makefile and MAINTAINERS.
Signed-off-by: Durai Manickam KR <durai.manickamkr at microchip.com>
---
arch/arm/mach-at91/Kconfig | 7 +
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, 241 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 fc193b935e..8b3356edcb 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
@@ -326,6 +332,7 @@ 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
--
2.25.1
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