1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889 |
- /*
- * Copyright (C) 2005-2006 Atmel Corporation
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #include <common.h>
- #include <asm/io.h>
- #include <asm/sdram.h>
- #include <asm/arch/clk.h>
- #include <asm/arch/hmatrix.h>
- #include <asm/arch/mmu.h>
- #include <asm/arch/portmux.h>
- #include <netdev.h>
- DECLARE_GLOBAL_DATA_PTR;
- 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_32BIT,
- #ifdef CONFIG_ATSTK1000_16MB_SDRAM
- /* MT48LC4M32B2P-6 (16 MB) on mod'ed motherboard */
- .row_bits = 12,
- #else
- /* MT48LC2M32B2P-5 (8 MB) on motherboard */
- .row_bits = 11,
- #endif
- .col_bits = 8,
- .bank_bits = 2,
- .cas = 3,
- .twr = 2,
- .trc = 7,
- .trp = 2,
- .trcd = 2,
- .tras = 5,
- .txsr = 5,
- /* 15.6 us */
- .refresh_period = (156 * (SDRAMC_BUS_HZ / 1000)) / 10000,
- };
- 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(sdram_config.data_bits, 23, 0, PORTMUX_DRIVE_HIGH);
- sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
- portmux_enable_usart1(PORTMUX_DRIVE_MIN);
- #if defined(CONFIG_MACB)
- portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW);
- portmux_enable_macb1(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW);
- #endif
- #if defined(CONFIG_MMC)
- portmux_enable_mmci(0, PORTMUX_MMCI_4BIT, PORTMUX_DRIVE_LOW);
- #endif
- return 0;
- }
- int board_early_init_r(void)
- {
- gd->bd->bi_phy_id[0] = 0x10;
- gd->bd->bi_phy_id[1] = 0x11;
- 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
|