From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/u-boot/board/atmel/atngw100/Makefile | 6 ++ qemu/roms/u-boot/board/atmel/atngw100/atngw100.c | 125 +++++++++++++++++++++++ 2 files changed, 131 insertions(+) create mode 100644 qemu/roms/u-boot/board/atmel/atngw100/Makefile create mode 100644 qemu/roms/u-boot/board/atmel/atngw100/atngw100.c (limited to 'qemu/roms/u-boot/board/atmel/atngw100') diff --git a/qemu/roms/u-boot/board/atmel/atngw100/Makefile b/qemu/roms/u-boot/board/atmel/atngw100/Makefile new file mode 100644 index 000000000..f9b93c973 --- /dev/null +++ b/qemu/roms/u-boot/board/atmel/atngw100/Makefile @@ -0,0 +1,6 @@ +# +# Copyright (C) 2005-2006 Atmel Corporation +# +# SPDX-License-Identifier: GPL-2.0+ + +obj-y := atngw100.o diff --git a/qemu/roms/u-boot/board/atmel/atngw100/atngw100.c b/qemu/roms/u-boot/board/atmel/atngw100/atngw100.c new file mode 100644 index 000000000..03d767a4a --- /dev/null +++ b/qemu/roms/u-boot/board/atmel/atngw100/atngw100.c @@ -0,0 +1,125 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = { + { + .virt_pgno = CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT, + .nr_pages = CONFIG_SYS_FLASH_SIZE >> PAGE_SHIFT, + .phys = (CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT) + | MMU_VMR_CACHE_NONE, + }, { + .virt_pgno = CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT, + .nr_pages = EBI_SDRAM_SIZE >> PAGE_SHIFT, + .phys = (CONFIG_SYS_SDRAM_BASE >> 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, + .cas = 3, + .twr = 2, + .trc = 7, + .trp = 2, + .trcd = 2, + .tras = 5, + .txsr = 5, + /* 7.81 us */ + .refresh_period = (781 * (SDRAMC_BUS_HZ / 1000)) / 100000, +}; + +int board_early_init_f(void) +{ + /* 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); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); + +#if defined(CONFIG_MACB) + portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH); + portmux_enable_macb1(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH); +#endif +#if defined(CONFIG_MMC) + 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; +} + +phys_size_t initdram(int board_type) +{ + unsigned long expected_size; + unsigned long actual_size; + void *sdram_base; + + sdram_base = uncached(EBI_SDRAM_BASE); + + expected_size = sdram_init(sdram_base, &sdram_config); + actual_size = get_ram_size(sdram_base, expected_size); + + if (expected_size != actual_size) + printf("Warning: Only %lu of %lu MiB SDRAM is working\n", + actual_size >> 20, expected_size >> 20); + + return actual_size; +} + +int board_early_init_r(void) +{ + gd->bd->bi_phy_id[0] = 0x01; + gd->bd->bi_phy_id[1] = 0x03; + return 0; +} + +#ifdef CONFIG_CMD_NET +int board_eth_init(bd_t *bi) +{ + 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 */ -- cgit 1.2.3-korg