Mihai Sain | 82923a0 | 2023-07-24 14:35:10 +0300 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries |
| 4 | * |
| 5 | * Author: Mihai Sain <mihai.sain@microchip.com> |
| 6 | * |
| 7 | */ |
| 8 | |
Tom Rini | abb9a04 | 2024-05-18 20:20:43 -0600 | [diff] [blame] | 9 | #include <common.h> |
Mihai Sain | 82923a0 | 2023-07-24 14:35:10 +0300 | [diff] [blame] | 10 | #include <debug_uart.h> |
| 11 | #include <init.h> |
| 12 | #include <asm/global_data.h> |
| 13 | #include <asm/io.h> |
| 14 | #include <asm/arch/at91_common.h> |
| 15 | #include <asm/arch/atmel_pio4.h> |
| 16 | #include <asm/arch/atmel_sdhci.h> |
| 17 | #include <asm/arch/clk.h> |
| 18 | #include <asm/arch/gpio.h> |
| 19 | #include <asm/arch/sama5d2.h> |
| 20 | |
| 21 | extern void at91_pda_detect(void); |
| 22 | |
| 23 | DECLARE_GLOBAL_DATA_PTR; |
| 24 | |
| 25 | static void rgb_leds_init(void) |
| 26 | { |
| 27 | atmel_pio4_set_pio_output(AT91_PIO_PORTA, 7, 0); /* LED RED */ |
| 28 | atmel_pio4_set_pio_output(AT91_PIO_PORTA, 8, 0); /* LED GREEN */ |
| 29 | atmel_pio4_set_pio_output(AT91_PIO_PORTA, 9, 1); /* LED BLUE */ |
| 30 | } |
| 31 | |
| 32 | static void board_usb_hw_init(void) |
| 33 | { |
| 34 | atmel_pio4_set_pio_output(AT91_PIO_PORTA, 6, 1); |
| 35 | } |
| 36 | |
| 37 | int board_late_init(void) |
| 38 | { |
| 39 | at91_video_show_board_info(); |
| 40 | |
| 41 | at91_pda_detect(); |
| 42 | |
| 43 | return 0; |
| 44 | } |
| 45 | |
| 46 | static void board_uart0_hw_init(void) |
| 47 | { |
| 48 | atmel_pio4_set_c_periph(AT91_PIO_PORTB, 26, ATMEL_PIO_PUEN_MASK); /* URXD0 */ |
| 49 | atmel_pio4_set_c_periph(AT91_PIO_PORTB, 27, 0); /* UTXD0 */ |
| 50 | |
| 51 | at91_periph_clk_enable(ATMEL_ID_UART0); |
| 52 | } |
| 53 | |
| 54 | void board_debug_uart_init(void) |
| 55 | { |
| 56 | board_uart0_hw_init(); |
| 57 | } |
| 58 | |
| 59 | int board_early_init_f(void) |
| 60 | { |
| 61 | debug_uart_init(); |
| 62 | |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | int board_init(void) |
| 67 | { |
| 68 | /* address of boot parameters */ |
| 69 | gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100; |
| 70 | |
| 71 | rgb_leds_init(); |
| 72 | |
| 73 | board_usb_hw_init(); |
| 74 | |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | int dram_init_banksize(void) |
| 79 | { |
| 80 | return fdtdec_setup_memory_banksize(); |
| 81 | } |
| 82 | |
| 83 | int dram_init(void) |
| 84 | { |
| 85 | return fdtdec_setup_mem_size_base(); |
| 86 | } |