1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2007-2008
4 * Stelian Pop <stelian@popies.net>
5 * Lead Tech Design <www.leadtechdesign.com>
9 #include <debug_uart.h>
12 #include <asm/global_data.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>
20 DECLARE_GLOBAL_DATA_PTR;
22 /* ------------------------------------------------------------------------- */
24 * Miscelaneous platform dependent initialisations
27 #ifdef CONFIG_CMD_NAND
28 static void at91sam9260ek_nand_hw_init(void)
30 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
31 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
34 /* Assign CS3 to NAND/SmartMedia Interface */
35 csa = readl(&matrix->ebicsa);
36 csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
37 writel(csa, &matrix->ebicsa);
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),
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),
46 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
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 */
55 AT91_SMC_MODE_TDF_CYCLE(2),
58 /* Configure RDY/BSY */
59 at91_set_gpio_input(CFG_SYS_NAND_READY_PIN, 1);
61 /* Enable NandFlash */
62 at91_set_gpio_output(CFG_SYS_NAND_ENABLE_PIN, 1);
67 #ifdef CONFIG_DEBUG_UART_BOARD_INIT
68 void board_debug_uart_init(void)
70 at91_seriald_hw_init();
74 #ifdef CONFIG_BOARD_EARLY_INIT_F
75 int board_early_init_f(void)
83 /* adress of boot parameters */
84 gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;
86 #ifdef CONFIG_CMD_NAND
87 at91sam9260ek_nand_hw_init();
94 gd->ram_size = get_ram_size(
95 (void *)CFG_SYS_SDRAM_BASE,
100 #ifdef CONFIG_RESET_PHY_R