1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * (C) Copyright 2007-2008 4 * Stelian Pop <stelian@popies.net> 5 * Lead Tech Design <www.leadtechdesign.com> 6 */ 7 8#include <common.h> 9#include <debug_uart.h> 10#include <init.h> 11#include <net.h> 12#include <asm/global_data.h> 13#include <asm/io.h> 14#include <asm/arch/at91sam9260_matrix.h> 15#include <asm/arch/at91sam9_smc.h> 16#include <asm/arch/at91_common.h> 17#include <asm/arch/clk.h> 18#include <asm/arch/gpio.h> 19 20DECLARE_GLOBAL_DATA_PTR; 21 22/* ------------------------------------------------------------------------- */ 23/* 24 * Miscelaneous platform dependent initialisations 25 */ 26 27#ifdef CONFIG_CMD_NAND 28static void at91sam9260ek_nand_hw_init(void) 29{ 30 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; 31 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; 32 unsigned long csa; 33 34 /* Assign CS3 to NAND/SmartMedia Interface */ 35 csa = readl(&matrix->ebicsa); 36 csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA; 37 writel(csa, &matrix->ebicsa); 38 39 /* Configure SMC CS3 for NAND/SmartMedia */ 40 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | 41 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), 42 &smc->cs[3].setup); 43 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | 44 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), 45 &smc->cs[3].pulse); 46 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), 47 &smc->cs[3].cycle); 48 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | 49 AT91_SMC_MODE_EXNW_DISABLE | 50#ifdef CONFIG_SYS_NAND_DBW_16 51 AT91_SMC_MODE_DBW_16 | 52#else /* CONFIG_SYS_NAND_DBW_8 */ 53 AT91_SMC_MODE_DBW_8 | 54#endif 55 AT91_SMC_MODE_TDF_CYCLE(2), 56 &smc->cs[3].mode); 57 58 /* Configure RDY/BSY */ 59 at91_set_gpio_input(CFG_SYS_NAND_READY_PIN, 1); 60 61 /* Enable NandFlash */ 62 at91_set_gpio_output(CFG_SYS_NAND_ENABLE_PIN, 1); 63 64} 65#endif 66 67#ifdef CONFIG_DEBUG_UART_BOARD_INIT 68void board_debug_uart_init(void) 69{ 70 at91_seriald_hw_init(); 71} 72#endif 73 74#ifdef CONFIG_BOARD_EARLY_INIT_F 75int board_early_init_f(void) 76{ 77 return 0; 78} 79#endif 80 81int board_init(void) 82{ 83 /* adress of boot parameters */ 84 gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100; 85 86#ifdef CONFIG_CMD_NAND 87 at91sam9260ek_nand_hw_init(); 88#endif 89 return 0; 90} 91 92int dram_init(void) 93{ 94 gd->ram_size = get_ram_size( 95 (void *)CFG_SYS_SDRAM_BASE, 96 CFG_SYS_SDRAM_SIZE); 97 return 0; 98} 99 100#ifdef CONFIG_RESET_PHY_R 101void reset_phy(void) 102{ 103} 104#endif 105