/* * (C) Copyright 2010 * Daniel Gorsulowski * esd electronic system design gmbh * * (C) Copyright 2007-2008 * Stelian Pop * Lead Tech Design * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_LCD_INFO #include #include #endif DECLARE_GLOBAL_DATA_PTR; /* * Miscelaneous platform dependent initialisations */ static int hw_rev = -1; /* hardware revision */ int get_hw_rev(void) { if (hw_rev >= 0) return hw_rev; hw_rev = at91_get_gpio_value(AT91_PIN_PB19); hw_rev |= at91_get_gpio_value(AT91_PIN_PB20) << 1; hw_rev |= at91_get_gpio_value(AT91_PIN_PB21) << 2; hw_rev |= at91_get_gpio_value(AT91_PIN_PB22) << 3; if (hw_rev == 15) hw_rev = 0; return hw_rev; } #ifdef CONFIG_CMD_NAND static void otc570_nand_hw_init(void) { unsigned long csa; /* Enable CS3 */ csa = at91_sys_read(AT91_MATRIX_EBI0CSA); at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA); /* Configure SMC CS3 for NAND/SmartMedia */ at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8 | AT91_SMC_TDF_(2)); /* Configure RDY/BSY */ at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); /* Enable NandFlash */ at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); } #endif /* CONFIG_CMD_NAND */ #ifdef CONFIG_MACB static void otc570_macb_hw_init(void) { /* Enable clock */ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC); at91_macb_hw_init(); } #endif /* * Static memory controller initialization to enable Beckhoff ET1100 EtherCAT * controller debugging * The ET1100 is located at physical address 0x70000000 * Its process memory is located at physical address 0x70001000 */ static void otc570_ethercat_hw_init(void) { /* Configure SMC EBI1_CS0 for EtherCAT */ at91_sys_write(AT91_SMC1_SETUP(0), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); at91_sys_write(AT91_SMC1_PULSE(0), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(9) | AT91_SMC_NRDPULSE_(5) | AT91_SMC_NCS_RDPULSE_(9)); at91_sys_write(AT91_SMC1_CYCLE(0), AT91_SMC_NWECYCLE_(10) | AT91_SMC_NRDCYCLE_(6)); /* * Configure behavior at external wait signal, byte-select mode, 16 bit * data bus width, none data float wait states and TDF optimization */ at91_sys_write(AT91_SMC1_MODE(0), AT91_SMC_READMODE | AT91_SMC_EXNWMODE_READY | AT91_SMC_BAT_SELECT | AT91_SMC_DBW_16 | AT91_SMC_TDF_(0) | AT91_SMC_TDFMODE); /* Configure RDY/BSY */ at91_set_B_periph(AT91_PIN_PE20, 0); /* EBI1_NWAIT */ } #ifdef CONFIG_LCD /* Number of columns and rows, pixel clock in Hz and hsync/vsync polarity */ vidinfo_t panel_info = { .vl_col = 640, .vl_row = 480, .vl_clk = 25175000, .vl_sync = ATMEL_LCDC_INVLINE_INVERTED | ATMEL_LCDC_INVFRAME_INVERTED, .vl_bpix = 3, /* Bits per pixel, 0 = 1bit, 3 = 8bit */ .vl_tft = 1, /* 0 = passive, 1 = TFT */ .vl_vsync_len = 1, /* Length of vertical sync in NOL */ .vl_upper_margin = 35, /* Idle lines at the frame start */ .vl_lower_margin = 5, /* Idle lines at the end of the frame */ .vl_hsync_len = 5, /* Width of the LCDHSYNC pulse */ .vl_left_margin = 112, /* Idle cycles at the line beginning */ .vl_right_margin = 1, /* Idle cycles at the end of the line */ .mmio = AT91SAM9263_LCDC_BASE, }; void lcd_enable(void) { at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */ } void lcd_disable(void) { at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */ } static void otc570_lcd_hw_init(void) { at91_set_A_periph(AT91_PIN_PC0, 0); /* LCDVSYNC */ at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */ at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */ at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */ at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */ at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */ at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */ at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */ at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */ at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */ at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */ at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */ at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */ at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */ at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD13 */ at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */ at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */ at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */ at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */ at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */ at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD21 */ at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */ at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */ at91_set_gpio_output(AT91_PIN_PA30, 1); /* PCI */ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_LCDC); gd->fb_base = CONFIG_OTC570_LCD_BASE; } #ifdef CONFIG_LCD_INFO void lcd_show_board_info(void) { ulong dram_size, nand_size; int i; char temp[32]; dram_size = 0; for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) dram_size += gd->bd->bi_dram[i].size; nand_size = 0; for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) nand_size += nand_info[i].size; lcd_printf("\n%s\n", U_BOOT_VERSION); lcd_printf("%s CPU at %s MHz\n", AT91_CPU_NAME, strmhz(temp, get_cpu_clk_rate())); lcd_printf(" %ld MB SDRAM, %ld MB NAND\n", dram_size >> 20, nand_size >> 20 ); lcd_printf(" Board : esd ARM9 HMI Panel - OTC570\n"); lcd_printf(" Hardware-revision: 1.%d\n", get_hw_rev()); lcd_printf(" Mach-type : %lu\n", gd->bd->bi_arch_number); } #endif /* CONFIG_LCD_INFO */ #endif /* CONFIG_LCD */ int dram_init(void) { gd->bd->bi_dram[0].start = PHYS_SDRAM; gd->bd->bi_dram[0].size = get_ram_size((long *) PHYS_SDRAM, (1 << 27)); return 0; } int board_eth_init(bd_t *bis) { int rc = 0; #ifdef CONFIG_MACB rc = macb_eth_initialize(0, (void *)AT91SAM9263_BASE_EMAC, 0x00); #endif return rc; } int checkboard(void) { char str[32]; puts("Board: esd ARM9 HMI Panel - OTC570"); if (getenv_r("serial#", str, sizeof(str)) > 0) { puts(", serial# "); puts(str); } printf("\nHardware-revision: 1.%d\n", get_hw_rev()); printf("Mach-type: %lu\n", gd->bd->bi_arch_number); return 0; } #ifdef CONFIG_SERIAL_TAG void get_board_serial(struct tag_serialnr *serialnr) { char *str; char *serial = getenv("serial#"); if (serial) { str = strchr(serial, '_'); if (str && (strlen(str) >= 4)) { serialnr->high = (*(str + 1) << 8) | *(str + 2); serialnr->low = simple_strtoul(str + 3, NULL, 16); } } else { serialnr->high = 0; serialnr->low = 0; } } #endif #ifdef CONFIG_REVISION_TAG u32 get_board_rev(void) { return hw_rev | 0x100; } #endif #ifdef CONFIG_MISC_INIT_R int misc_init_r(void) { char str[64]; at91_set_gpio_output(AT91_PIN_PA29, 1); at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */ at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US0); /* Set USART_MODE = 1 (RS485) */ at91_sys_write((0xFFF8C004 - AT91_BASE_SYS), 1); printf("USART0: "); if (getenv_r("usart0", str, sizeof(str)) == -1) { printf("No entry - assuming 1-wire\n"); /* CTS pin, works as mode select pin (0 = 1-wire; 1 = RS485) */ at91_set_gpio_output(AT91_PIN_PA29, 0); } else { if (strcmp(str, "1-wire") == 0) { printf("%s\n", str); at91_set_gpio_output(AT91_PIN_PA29, 0); } else if (strcmp(str, "rs485") == 0) { printf("%s\n", str); at91_set_gpio_output(AT91_PIN_PA29, 1); } else { printf("Wrong entry - assuming 1-wire "); printf("(valid values are '1-wire' or 'rs485')\n"); at91_set_gpio_output(AT91_PIN_PA29, 0); } } printf("Display memory address: 0x%08lX\n", gd->fb_base); return 0; } #endif /* CONFIG_MISC_INIT_R */ int board_init(void) { /* Peripheral Clock Enable Register */ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOA | 1 << AT91SAM9263_ID_PIOB | 1 << AT91SAM9263_ID_PIOCDE | 1 << AT91SAM9263_ID_TWI | 1 << AT91SAM9263_ID_SPI0 | 1 << AT91SAM9263_ID_LCDC | 1 << AT91SAM9263_ID_UHP); /* arch number of OTC570-Board */ gd->bd->bi_arch_number = MACH_TYPE_OTC570; /* adress of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; at91_serial_hw_init(); #ifdef CONFIG_CMD_NAND otc570_nand_hw_init(); #endif otc570_ethercat_hw_init(); #ifdef CONFIG_HAS_DATAFLASH at91_spi0_hw_init(1 << 0); #endif #ifdef CONFIG_MACB otc570_macb_hw_init(); #endif #ifdef CONFIG_AT91_CAN at91_can_hw_init(); #endif #ifdef CONFIG_USB_OHCI_NEW at91_uhp_hw_init(); #endif #ifdef CONFIG_LCD otc570_lcd_hw_init(); #endif return 0; }