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Diffstat (limited to 'board/esd/otc570/otc570.c')
| -rw-r--r-- | board/esd/otc570/otc570.c | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/board/esd/otc570/otc570.c b/board/esd/otc570/otc570.c new file mode 100644 index 0000000000..056df37ce7 --- /dev/null +++ b/board/esd/otc570/otc570.c @@ -0,0 +1,365 @@ +/* + * (C) Copyright 2010 + * Daniel Gorsulowski <daniel.gorsulowski@esd.eu> + * esd electronic system design gmbh <www.esd.eu> + * + * (C) Copyright 2007-2008 + * Stelian Pop <stelian.pop@leadtechdesign.com> + * Lead Tech Design <www.leadtechdesign.com> + * + * 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 <common.h> +#include <asm/arch/at91sam9263.h> +#include <asm/arch/at91sam9_matrix.h> +#include <asm/arch/at91sam9_smc.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/clk.h> +#include <asm/arch/gpio.h> +#include <asm/arch/hardware.h> +#include <asm/arch/io.h> +#include <atmel_lcdc.h> +#include <lcd.h> +#include <netdev.h> +#ifdef CONFIG_LCD_INFO +#include <nand.h> +#include <version.h> +#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; +} |