diff options
Diffstat (limited to 'qemu/roms/u-boot/board/esd/otc570/otc570.c')
-rw-r--r-- | qemu/roms/u-boot/board/esd/otc570/otc570.c | 372 |
1 files changed, 372 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/esd/otc570/otc570.c b/qemu/roms/u-boot/board/esd/otc570/otc570.c new file mode 100644 index 000000000..4751d0a9e --- /dev/null +++ b/qemu/roms/u-boot/board/esd/otc570/otc570.c @@ -0,0 +1,372 @@ +/* + * (C) Copyright 2010-2011 + * Daniel Gorsulowski <daniel.gorsulowski@esd.eu> + * esd electronic system design gmbh <www.esd.eu> + * + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/gpio.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/at91_matrix.h> +#include <asm/arch/at91_pio.h> +#include <asm/arch/clk.h> +#include <netdev.h> +#ifdef CONFIG_LCD +# include <atmel_lcdc.h> +# include <lcd.h> +# ifdef CONFIG_LCD_INFO +# include <nand.h> +# include <version.h> +# endif +#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_pio_value(AT91_PIO_PORTB, 19); + hw_rev |= at91_get_pio_value(AT91_PIO_PORTB, 20) << 1; + hw_rev |= at91_get_pio_value(AT91_PIO_PORTB, 21) << 2; + hw_rev |= at91_get_pio_value(AT91_PIO_PORTB, 22) << 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; + at91_smc_t *smc = (at91_smc_t *) ATMEL_BASE_SMC0; + at91_matrix_t *matrix = (at91_matrix_t *) ATMEL_BASE_MATRIX; + + /* Enable CS3 */ + csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A; + writel(csa, &matrix->csa[0]); + + /* Configure SMC CS3 for NAND/SmartMedia */ + writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) | + AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(2), + &smc->cs[3].setup); + + writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | + AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3), + &smc->cs[3].pulse); + + writel(AT91_SMC_CYCLE_NWE(6) | AT91_SMC_CYCLE_NRD(6), + &smc->cs[3].cycle); + writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | + AT91_SMC_MODE_EXNW_DISABLE | + AT91_SMC_MODE_DBW_8 | + AT91_SMC_MODE_TDF_CYCLE(12), + &smc->cs[3].mode); + + /* Configure RDY/BSY */ + gpio_direction_input(CONFIG_SYS_NAND_READY_PIN); + + /* Enable NandFlash */ + gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); +} +#endif /* CONFIG_CMD_NAND */ + +#ifdef CONFIG_MACB +static void otc570_macb_hw_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + /* Enable clock */ + writel(1 << ATMEL_ID_EMAC, &pmc->pcer); + 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) +{ + at91_smc_t *smc1 = (at91_smc_t *) ATMEL_BASE_SMC1; + + /* Configure SMC EBI1_CS0 for EtherCAT */ + writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) | + AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(0), + &smc1->cs[0].setup); + writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(9) | + AT91_SMC_PULSE_NRD(5) | AT91_SMC_PULSE_NCS_RD(9), + &smc1->cs[0].pulse); + writel(AT91_SMC_CYCLE_NWE(10) | AT91_SMC_CYCLE_NRD(6), + &smc1->cs[0].cycle); + /* + * Configure behavior at external wait signal, byte-select mode, 16 bit + * data bus width, none data float wait states and TDF optimization + */ + writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_EXNW_READY | + AT91_SMC_MODE_DBW_16 | AT91_SMC_MODE_TDF_CYCLE(0) | + AT91_SMC_MODE_TDF, &smc1->cs[0].mode); + + /* Configure RDY/BSY */ + at91_set_b_periph(AT91_PIO_PORTE, 20, 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 = LCD_BPP,/* 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 = ATMEL_BASE_LCDC, +}; + +void lcd_enable(void) +{ + at91_set_pio_value(AT91_PIO_PORTA, 30, 0); /* power up */ +} + +void lcd_disable(void) +{ + at91_set_pio_value(AT91_PIO_PORTA, 30, 1); /* power down */ +} + +static void otc570_lcd_hw_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDVSYNC */ + at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDHSYNC */ + at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDDOTCK */ + at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDDEN */ + at91_set_b_periph(AT91_PIO_PORTB, 9, 0); /* LCDCC */ + at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD2 */ + at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD3 */ + at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD4 */ + at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD5 */ + at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD6 */ + at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD7 */ + at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD10 */ + at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD11 */ + at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD12 */ + at91_set_b_periph(AT91_PIO_PORTC, 12, 0); /* LCDD13 */ + at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD14 */ + at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD15 */ + at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD18 */ + at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD19 */ + at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDD20 */ + at91_set_b_periph(AT91_PIO_PORTC, 17, 0); /* LCDD21 */ + at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDD22 */ + at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDD23 */ + at91_set_pio_output(AT91_PIO_PORTA, 30, 1); /* PCI */ + + writel(1 << ATMEL_ID_LCDC, &pmc->pcer); +} + +#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("CPU at %s MHz\n", 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->ram_size = get_ram_size( + (void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_MACB + rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00); +#endif + return rc; +} + +int checkboard(void) +{ + char str[32]; + + puts("Board : esd ARM9 HMI Panel - OTC570"); + if (getenv_f("serial#", str, sizeof(str)) > 0) { + puts(", serial# "); + puts(str); + } + printf("\n"); + printf("Hardware-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_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + at91_set_pio_output(AT91_PIO_PORTA, 29, 1); + at91_set_a_periph(AT91_PIO_PORTA, 26, 1); /* TXD0 */ + at91_set_a_periph(AT91_PIO_PORTA, 27, 0); /* RXD0 */ + writel(1 << ATMEL_ID_USART0, &pmc->pcer); + /* Set USART_MODE = 1 (RS485) */ + writel(1, 0xFFF8C004); + + printf("USART0: "); + + if (getenv_f("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_pio_output(AT91_PIO_PORTA, 29, 0); + } else { + if (strcmp(str, "1-wire") == 0) { + printf("%s\n", str); + at91_set_pio_output(AT91_PIO_PORTA, 29, 0); + } else if (strcmp(str, "rs485") == 0) { + printf("%s\n", str); + at91_set_pio_output(AT91_PIO_PORTA, 29, 1); + } else { + printf("Wrong entry - assuming 1-wire "); + printf("(valid values are '1-wire' or 'rs485')\n"); + at91_set_pio_output(AT91_PIO_PORTA, 29, 0); + } + } +#ifdef CONFIG_LCD + printf("Display memory address: 0x%08lX\n", gd->fb_base); +#endif + + return 0; +} +#endif /* CONFIG_MISC_INIT_R */ + +int board_early_init_f(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + /* enable all clocks */ + writel((1 << ATMEL_ID_PIOA) | + (1 << ATMEL_ID_PIOB) | + (1 << ATMEL_ID_PIOCDE) | + (1 << ATMEL_ID_TWI) | + (1 << ATMEL_ID_SPI0) | +#ifdef CONFIG_LCD + (1 << ATMEL_ID_LCDC) | +#endif + (1 << ATMEL_ID_UHP), + &pmc->pcer); + + at91_seriald_hw_init(); + + /* arch number of OTC570-Board */ + gd->bd->bi_arch_number = MACH_TYPE_OTC570; + + return 0; +} + +int board_init(void) +{ + /* initialize ET1100 Controller */ + otc570_ethercat_hw_init(); + + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + +#ifdef CONFIG_CMD_NAND + otc570_nand_hw_init(); +#endif +#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; +} |