/* * (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 #include DECLARE_GLOBAL_DATA_PTR; /* ------------------------------------------------------------------------- */ /* * Miscelaneous platform dependent initialisations */ #ifdef CONFIG_CMD_NAND void at91sam9m10g45ek_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_EBI_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(4) | AT91_SMC_PULSE_NCS_WR(3) | AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2), &smc->cs[3].pulse); writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4), &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(3), &smc->cs[3].mode); writel(1 << ATMEL_ID_PIOC, &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); } #endif #if defined(CONFIG_SPL_BUILD) #include #include void at91_spl_board_init(void) { /* * On the at91sam9m10g45ek board, the chip wm9711 stays in the * test mode, so it needs do some action to exit test mode. */ at91_periph_clk_enable(ATMEL_ID_PIODE); at91_set_gpio_output(AT91_PIN_PD7, 0); at91_set_gpio_output(AT91_PIN_PD8, 0); at91_set_pio_pullup(AT91_PIO_PORTD, 7, 1); at91_set_pio_pullup(AT91_PIO_PORTD, 8, 1); #ifdef CONFIG_SYS_USE_MMC at91_mci_hw_init(); #elif CONFIG_SYS_USE_NANDFLASH at91sam9m10g45ek_nand_hw_init(); #endif } #include static void ddr2_conf(struct atmel_mpddr *ddr2) { ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM); ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 | ATMEL_MPDDRC_CR_NR_ROW_14 | ATMEL_MPDDRC_CR_DQMS_SHARED | ATMEL_MPDDRC_CR_CAS_DDR_CAS3); ddr2->rtr = 0x24b; ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |/* 6*7.5 = 45 ns */ 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |/* 2*7.5 = 15 ns */ 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | /* 2*7.5 = 15 ns */ 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | /* 8*7.5 = 60 ns */ 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | /* 2*7.5 = 15 ns */ 1 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | /* 1*7.5= 7.5 ns*/ 1 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | /* 1 clk cycle */ 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); /* 2 clk cycles */ ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | /* 2*7.5 = 15 ns */ 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET | 16 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | 14 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET); ddr2->tpr2 = (1 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | 0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET | 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET); } void mem_init(void) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; struct at91_matrix *mat = (struct at91_matrix *)ATMEL_BASE_MATRIX; struct atmel_mpddr ddr2; unsigned long csa; ddr2_conf(&ddr2); /* enable DDR2 clock */ writel(0x4, &pmc->scer); /* Chip select 1 is for DDR2/SDRAM */ csa = readl(&mat->ebicsa); csa |= AT91_MATRIX_EBI_CS1A_SDRAMC; csa &= ~AT91_MATRIX_EBI_VDDIOMSEL_3_3V; writel(csa, &mat->ebicsa); /* DDRAM2 Controller initialize */ ddr2_init(ATMEL_BASE_CS6, &ddr2); } #endif #ifdef CONFIG_CMD_USB static void at91sam9m10g45ek_usb_hw_init(void) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; writel(1 << ATMEL_ID_PIODE, &pmc->pcer); at91_set_gpio_output(AT91_PIN_PD1, 0); at91_set_gpio_output(AT91_PIN_PD3, 0); } #endif #ifdef CONFIG_MACB static void at91sam9m10g45ek_macb_hw_init(void) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA; /* Enable clock */ writel(1 << ATMEL_ID_EMAC, &pmc->pcer); /* * Disable pull-up on: * RXDV (PA15) => PHY normal mode (not Test mode) * ERX0 (PA12) => PHY ADDR0 * ERX1 (PA13) => PHY ADDR1 => PHYADDR = 0x0 * * PHY has internal pull-down */ writel(pin_to_mask(AT91_PIN_PA15) | pin_to_mask(AT91_PIN_PA12) | pin_to_mask(AT91_PIN_PA13), &pioa->pudr); at91_phy_reset(); /* Re-enable pull-up */ writel(pin_to_mask(AT91_PIN_PA15) | pin_to_mask(AT91_PIN_PA12) | pin_to_mask(AT91_PIN_PA13), &pioa->puer); /* And the pins. */ at91_macb_hw_init(); } #endif #ifdef CONFIG_LCD vidinfo_t panel_info = { .vl_col = 480, .vl_row = 272, .vl_clk = 9000000, .vl_sync = ATMEL_LCDC_INVLINE_NORMAL | ATMEL_LCDC_INVFRAME_NORMAL, .vl_bpix = 3, .vl_tft = 1, .vl_hsync_len = 45, .vl_left_margin = 1, .vl_right_margin = 1, .vl_vsync_len = 1, .vl_upper_margin = 40, .vl_lower_margin = 1, .mmio = ATMEL_BASE_LCDC, }; void lcd_enable(void) { at91_set_A_periph(AT91_PIN_PE6, 1); /* power up */ } void lcd_disable(void) { at91_set_A_periph(AT91_PIN_PE6, 0); /* power down */ } static void at91sam9m10g45ek_lcd_hw_init(void) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; at91_set_A_periph(AT91_PIN_PE0, 0); /* LCDDPWR */ at91_set_A_periph(AT91_PIN_PE2, 0); /* LCDCC */ at91_set_A_periph(AT91_PIN_PE3, 0); /* LCDVSYNC */ at91_set_A_periph(AT91_PIN_PE4, 0); /* LCDHSYNC */ at91_set_A_periph(AT91_PIN_PE5, 0); /* LCDDOTCK */ at91_set_A_periph(AT91_PIN_PE7, 0); /* LCDD0 */ at91_set_A_periph(AT91_PIN_PE8, 0); /* LCDD1 */ at91_set_A_periph(AT91_PIN_PE9, 0); /* LCDD2 */ at91_set_A_periph(AT91_PIN_PE10, 0); /* LCDD3 */ at91_set_A_periph(AT91_PIN_PE11, 0); /* LCDD4 */ at91_set_A_periph(AT91_PIN_PE12, 0); /* LCDD5 */ at91_set_A_periph(AT91_PIN_PE13, 0); /* LCDD6 */ at91_set_A_periph(AT91_PIN_PE14, 0); /* LCDD7 */ at91_set_A_periph(AT91_PIN_PE15, 0); /* LCDD8 */ at91_set_A_periph(AT91_PIN_PE16, 0); /* LCDD9 */ at91_set_A_periph(AT91_PIN_PE17, 0); /* LCDD10 */ at91_set_A_periph(AT91_PIN_PE18, 0); /* LCDD11 */ at91_set_A_periph(AT91_PIN_PE19, 0); /* LCDD12 */ at91_set_B_periph(AT91_PIN_PE20, 0); /* LCDD13 */ at91_set_A_periph(AT91_PIN_PE21, 0); /* LCDD14 */ at91_set_A_periph(AT91_PIN_PE22, 0); /* LCDD15 */ at91_set_A_periph(AT91_PIN_PE23, 0); /* LCDD16 */ at91_set_A_periph(AT91_PIN_PE24, 0); /* LCDD17 */ at91_set_A_periph(AT91_PIN_PE25, 0); /* LCDD18 */ at91_set_A_periph(AT91_PIN_PE26, 0); /* LCDD19 */ at91_set_A_periph(AT91_PIN_PE27, 0); /* LCDD20 */ at91_set_B_periph(AT91_PIN_PE28, 0); /* LCDD21 */ at91_set_A_periph(AT91_PIN_PE29, 0); /* LCDD22 */ at91_set_A_periph(AT91_PIN_PE30, 0); /* LCDD23 */ writel(1 << ATMEL_ID_LCDC, &pmc->pcer); gd->fb_base = CONFIG_AT91SAM9G45_LCD_BASE; } #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_MCI0); } #endif int board_early_init_f(void) { at91_seriald_hw_init(); return 0; } int board_init(void) { /* arch number of AT91SAM9M10G45EK-Board */ #ifdef CONFIG_AT91SAM9M10G45EK gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9M10G45EK; #elif defined CONFIG_AT91SAM9G45EKES gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G45EKES; #endif /* adress of boot parameters */ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; #ifdef CONFIG_CMD_NAND at91sam9m10g45ek_nand_hw_init(); #endif #ifdef CONFIG_CMD_USB at91sam9m10g45ek_usb_hw_init(); #endif #ifdef CONFIG_HAS_DATAFLASH at91_spi0_hw_init(1 << 0); #endif #ifdef CONFIG_ATMEL_SPI at91_spi0_hw_init(1 << 4); #endif #ifdef CONFIG_MACB at91sam9m10g45ek_macb_hw_init(); #endif #ifdef CONFIG_LCD at91sam9m10g45ek_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; } #ifdef CONFIG_RESET_PHY_R void reset_phy(void) { } #endif 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; } /* SPI chip select control */ #ifdef CONFIG_ATMEL_SPI #include int spi_cs_is_valid(unsigned int bus, unsigned int cs) { return bus == 0 && cs < 2; } void spi_cs_activate(struct spi_slave *slave) { switch(slave->cs) { case 1: at91_set_gpio_output(AT91_PIN_PB18, 0); break; case 0: default: at91_set_gpio_output(AT91_PIN_PB3, 0); break; } } void spi_cs_deactivate(struct spi_slave *slave) { switch(slave->cs) { case 1: at91_set_gpio_output(AT91_PIN_PB18, 1); break; case 0: default: at91_set_gpio_output(AT91_PIN_PB3, 1); break; } } #endif /* CONFIG_ATMEL_SPI */