/* * (C) Copyright 2007-2008 * Stelian Pop * Lead Tech Design * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) #include #endif DECLARE_GLOBAL_DATA_PTR; /* ------------------------------------------------------------------------- */ /* * Miscelaneous platform dependent initialisations */ #ifdef CONFIG_CMD_NAND static void at91sam9rlek_nand_hw_init(void) { struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; unsigned long csa; /* Enable CS3 */ csa = readl(&matrix->ebicsa); csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA; writel(csa, &matrix->ebicsa); /* Configure SMC CS3 for NAND/SmartMedia */ writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), &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(5) | AT91_SMC_CYCLE_NRD(5), &smc->cs[3].cycle); writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | AT91_SMC_MODE_EXNW_DISABLE | #ifdef CONFIG_SYS_NAND_DBW_16 AT91_SMC_MODE_DBW_16 | #else /* CONFIG_SYS_NAND_DBW_8 */ AT91_SMC_MODE_DBW_8 | #endif AT91_SMC_MODE_TDF_CYCLE(2), &smc->cs[3].mode); writel(1 << ATMEL_ID_PIOD, &pmc->pcer); /* 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); at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */ at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */ } #endif #ifdef CONFIG_LCD vidinfo_t panel_info = { .vl_col = 240, .vl_row = 320, .vl_clk = 4965000, .vl_sync = ATMEL_LCDC_INVLINE_INVERTED | ATMEL_LCDC_INVFRAME_INVERTED, .vl_bpix = 3, .vl_tft = 1, .vl_hsync_len = 5, .vl_left_margin = 1, .vl_right_margin = 33, .vl_vsync_len = 1, .vl_upper_margin = 1, .vl_lower_margin = 0, .mmio = ATMEL_BASE_LCDC, }; 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 at91sam9rlek_lcd_hw_init(void) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; at91_set_B_periph(AT91_PIN_PC1, 0); /* LCDPWR */ at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDHSYNC */ at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDDOTCK */ at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDDEN */ at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDCC */ at91_set_B_periph(AT91_PIN_PC9, 0); /* LCDD3 */ at91_set_B_periph(AT91_PIN_PC10, 0); /* LCDD4 */ at91_set_B_periph(AT91_PIN_PC11, 0); /* LCDD5 */ at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD6 */ at91_set_B_periph(AT91_PIN_PC13, 0); /* LCDD7 */ at91_set_B_periph(AT91_PIN_PC15, 0); /* LCDD11 */ at91_set_B_periph(AT91_PIN_PC16, 0); /* LCDD12 */ at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD13 */ at91_set_B_periph(AT91_PIN_PC18, 0); /* LCDD14 */ at91_set_B_periph(AT91_PIN_PC19, 0); /* LCDD15 */ at91_set_B_periph(AT91_PIN_PC20, 0); /* LCDD18 */ at91_set_B_periph(AT91_PIN_PC21, 0); /* LCDD19 */ at91_set_B_periph(AT91_PIN_PC22, 0); /* LCDD20 */ at91_set_B_periph(AT91_PIN_PC23, 0); /* LCDD21 */ at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */ at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */ writel(1 << ATMEL_ID_LCDC, &pmc->pcer); } #ifdef CONFIG_LCD_INFO #include #include void lcd_show_board_info(void) { ulong dram_size, nand_size; int i; char temp[32]; lcd_printf ("%s\n", U_BOOT_VERSION); lcd_printf ("(C) 2008 ATMEL Corp\n"); lcd_printf ("at91support@atmel.com\n"); lcd_printf ("%s CPU at %s MHz\n", ATMEL_CPU_NAME, strmhz(temp, get_cpu_clk_rate())); 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 (" %ld MB SDRAM, %ld MB NAND\n", dram_size >> 20, nand_size >> 20 ); } #endif /* CONFIG_LCD_INFO */ #endif #ifdef CONFIG_GENERIC_ATMEL_MCI int board_mmc_init(bd_t *bis) { at91_mci_hw_init(); return atmel_mci_init((void *)ATMEL_BASE_MCI); } #endif int board_early_init_f(void) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; /* Enable clocks for all PIOs */ writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) | (1 << ATMEL_ID_PIOC) | (1 << ATMEL_ID_PIOD), &pmc->pcer); return 0; } int board_init(void) { /* arch number of AT91SAM9RLEK-Board */ gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK; /* adress of boot parameters */ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; at91_seriald_hw_init(); #ifdef CONFIG_CMD_NAND at91sam9rlek_nand_hw_init(); #endif #ifdef CONFIG_HAS_DATAFLASH at91_spi0_hw_init(1 << 0); #endif #ifdef CONFIG_LCD at91sam9rlek_lcd_hw_init(); #endif return 0; } int dram_init(void) { gd->ram_size = get_ram_size( (void *)CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_SDRAM_SIZE); return 0; }