projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 2dc851e3 AT |
1 | /* |
| 2 | * (C) Copyright 2007-2008 | |
| 3 | * Stelian Pop <stelian.pop@leadtechdesign.com> | |
| 4 | * Lead Tech Design <www.leadtechdesign.com> | |
| 5 | * | |
| 6 | * Copyright (C) 2009 | |
| 7 | * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com> | |
| 8 | * | |
| 9 | * See file CREDITS for list of people who contributed to this | |
| 10 | * project. | |
| 11 | * | |
| 12 | * This program is free software; you can redistribute it and/or | |
| 13 | * modify it under the terms of the GNU General Public License as | |
| 14 | * published by the Free Software Foundation; either version 2 of | |
| 15 | * the License, or (at your option) any later version. | |
| 16 | * | |
| 17 | * This program is distributed in the hope that it will be useful, | |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 20 | * GNU General Public License for more details. | |
| 21 | * | |
| 22 | * You should have received a copy of the GNU General Public License | |
| 23 | * along with this program; if not, write to the Free Software | |
| 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 25 | * MA 02111-1307 USA | |
| 26 | */ | |
| 27 | ||
| 28 | #include <common.h> | |
| 29 | #include <asm/arch/at91sam9260.h> | |
| 30 | #include <asm/arch/at91sam9_matrix.h> | |
| 31 | #include <asm/arch/at91sam9_smc.h> | |
| 32 | #include <asm/arch/at91_common.h> | |
| 33 | #include <asm/arch/at91_pmc.h> | |
| 34 | #include <asm/arch/at91_rstc.h> | |
| 35 | #include <asm/arch/gpio.h> | |
| 36 | #include <asm/arch/io.h> | |
| 37 | #include <asm/arch/hardware.h> | |
| 38 | ||
| 39 | DECLARE_GLOBAL_DATA_PTR; | |
| 40 | ||
| 41 | /* ------------------------------------------------------------------------- */ | |
| 42 | /* | |
| 43 | * Miscelaneous platform dependent initialisations | |
| 44 | */ | |
| 45 | ||
| 46 | static void tny_a9260_nand_hw_init(void) | |
| 47 | { | |
| 48 | unsigned long csa; | |
| 49 | ||
| 50 | /* Enable CS3 */ | |
| 51 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
| 52 | at91_sys_write(AT91_MATRIX_EBICSA, | |
| 53 | csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); | |
| 54 | ||
| 55 | /* Configure SMC CS3 for NAND/SmartMedia */ | |
| 56 | at91_sys_write(AT91_SMC_SETUP(3), | |
| 57 | AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) | | |
| 58 | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); | |
| 59 | at91_sys_write(AT91_SMC_PULSE(3), | |
| 60 | AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) | | |
| 61 | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); | |
| 62 | at91_sys_write(AT91_SMC_CYCLE(3), | |
| 63 | AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); | |
| 64 | at91_sys_write(AT91_SMC_MODE(3), | |
| 65 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | | |
| 66 | AT91_SMC_EXNWMODE_DISABLE | | |
| 67 | #ifdef CONFIG_SYS_NAND_DBW_16 | |
| 68 | AT91_SMC_DBW_16 | | |
| 69 | #else /* CONFIG_SYS_NAND_DBW_8 */ | |
| 70 | AT91_SMC_DBW_8 | | |
| 71 | #endif | |
| 72 | AT91_SMC_TDF_(2)); | |
| 73 | ||
| 74 | at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC); | |
| 75 | ||
| 76 | /* Configure RDY/BSY */ | |
| 77 | at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); | |
| 78 | ||
| 79 | /* Enable NandFlash */ | |
| 80 | at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); | |
| 81 | } | |
| 82 | ||
| 83 | int board_init(void) | |
| 84 | { | |
| 85 | /* Enable Ctrlc */ | |
| 86 | console_init_f(); | |
| 87 | ||
| 88 | #if defined(CONFIG_TNY_A9260) | |
| 89 | gd->bd->bi_arch_number = MACH_TYPE_TNY_A9260; | |
| 90 | #elif defined(CONFIG_TNY_A9G20) | |
| 91 | gd->bd->bi_arch_number = MACH_TYPE_TNY_A9G20; | |
| 92 | #endif | |
| 93 | /* adress of boot parameters */ | |
| 94 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; | |
| 95 | ||
| 96 | at91_serial_hw_init(); | |
| 97 | tny_a9260_nand_hw_init(); | |
| 98 | at91_spi0_hw_init(1 << 5); | |
| 99 | return 0; | |
| 100 | } | |
| 101 | ||
| 102 | int dram_init(void) | |
| 103 | { | |
| 104 | gd->bd->bi_dram[0].start = PHYS_SDRAM; | |
| 105 | if(get_ram_size((long *) PHYS_SDRAM, PHYS_SDRAM_SIZE) != PHYS_SDRAM_SIZE) | |
| 106 | return -1; | |
| 107 | ||
| 108 | gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; | |
| 109 | return 0; | |
| 110 | } |