X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;ds=sidebyside;f=board%2Fatmel%2Fatngw100%2Fatngw100.c;h=dacd4278314c5b3ed0c0c10a44f0c951da621e3c;hb=d6ac3333c6974b4cb8bd1c34abd23817fb97f1af;hp=bd4b6b4ce5b8cabc90dbc5b8a635b74d70de7157;hpb=6b4439444286e0fcd01596df504e6ca897ad3e5a;p=karo-tx-uboot.git diff --git a/board/atmel/atngw100/atngw100.c b/board/atmel/atngw100/atngw100.c index bd4b6b4ce5..dacd427831 100644 --- a/board/atmel/atngw100/atngw100.c +++ b/board/atmel/atngw100/atngw100.c @@ -1,35 +1,37 @@ /* * Copyright (C) 2006 Atmel Corporation * - * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include +#include #include -#include +#include +#include +#include +#include DECLARE_GLOBAL_DATA_PTR; -static const struct sdram_info sdram = { - .phys_addr = CFG_SDRAM_BASE, +struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = { + { + .virt_pgno = CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT, + .nr_pages = CONFIG_SYS_FLASH_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT) + | MMU_VMR_CACHE_NONE, + }, { + .virt_pgno = CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT, + .nr_pages = EBI_SDRAM_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT) + | MMU_VMR_CACHE_WRBACK, + }, +}; + +static const struct sdram_config sdram_config = { + .data_bits = SDRAM_DATA_16BIT, .row_bits = 13, .col_bits = 9, .bank_bits = 2, @@ -40,34 +42,68 @@ static const struct sdram_info sdram = { .trcd = 2, .tras = 5, .txsr = 5, + /* 7.81 us */ + .refresh_period = (781 * (SDRAMC_BUS_HZ / 1000)) / 100000, }; int board_early_init_f(void) { - /* Set the SDRAM_ENABLE bit in the HEBI SFR */ - hmatrix2_writel(SFR4, 1 << 1); + /* Enable SDRAM in the EBI mux */ + hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); + + portmux_enable_ebi(16, 23, 0, PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); - gpio_enable_ebi(); - gpio_enable_usart1(); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) - gpio_enable_macb0(); - gpio_enable_macb1(); + portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH); + portmux_enable_macb1(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH); #endif #if defined(CONFIG_MMC) - gpio_enable_mmci(); + portmux_enable_mmci(0, PORTMUX_MMCI_4BIT, PORTMUX_DRIVE_LOW); +#endif +#if defined(CONFIG_ATMEL_SPI) + portmux_enable_spi0(1 << 0, PORTMUX_DRIVE_LOW); #endif return 0; } -long int initdram(int board_type) +int board_early_init_r(void) { - return sdram_init(&sdram); + gd->bd->bi_phy_id[0] = 0x01; + gd->bd->bi_phy_id[1] = 0x03; + return 0; } -void board_init_info(void) +#ifdef CONFIG_CMD_NET +int board_eth_init(bd_t *bi) { - gd->bd->bi_phy_id[0] = 0x01; - gd->bd->bi_phy_id[1] = 0x03; + macb_eth_initialize(0, (void *)ATMEL_BASE_MACB0, bi->bi_phy_id[0]); + macb_eth_initialize(1, (void *)ATMEL_BASE_MACB1, bi->bi_phy_id[1]); + return 0; +} +#endif + +/* SPI chip select control */ +#ifdef CONFIG_ATMEL_SPI +#include + +#define ATNGW100_DATAFLASH_CS_PIN GPIO_PIN_PA(3) + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus == 0 && cs == 0; +} + +void spi_cs_activate(struct spi_slave *slave) +{ + gpio_set_value(ATNGW100_DATAFLASH_CS_PIN, 0); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + gpio_set_value(ATNGW100_DATAFLASH_CS_PIN, 1); } +#endif /* CONFIG_ATMEL_SPI */