diff options
Diffstat (limited to 'board/davinci/dm355evm/dm355evm.c')
| -rw-r--r-- | board/davinci/dm355evm/dm355evm.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/board/davinci/dm355evm/dm355evm.c b/board/davinci/dm355evm/dm355evm.c deleted file mode 100644 index e5a958f7e0..0000000000 --- a/board/davinci/dm355evm/dm355evm.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - * Copyright (C) 2009 David Brownell - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <nand.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/ti-common/davinci_nand.h> -#include <asm/arch/davinci_misc.h> -#include <net.h> -#include <netdev.h> -#ifdef CONFIG_DAVINCI_MMC -#include <mmc.h> -#include <asm/arch/sdmmc_defs.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -/* - * With the DM355 EVM, u-boot is *always* a third stage loader, - * unless a JTAG debugger handles the first two stages: - * - * - 1st stage is ROM Boot Loader (RBL), which searches for a - * second stage loader in one of three places based on SW7: - * NAND (with MMC/SD fallback), MMC/SD, or UART. - * - * - 2nd stage is User Boot Loader (UBL), using at most 30KB - * of on-chip SRAM, responsible for lowlevel init, and for - * loading the third stage loader into DRAM. - * - * - 3rd stage, that's us! - */ - -int board_init(void) -{ - gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM355_EVM; - gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; - - /* We expect the UBL to have handled "lowlevel init", which - * involves setting up at least: - * - clocks - * + PLL1 (for ARM and peripherals) and PLL2 (for DDR) - * + clock divisors for those PLLs - * + LPSC_DDR module enabled - * + LPSC_TIMER0 module (still) enabled - * - EMIF - * + DDR init and timings - * + AEMIF timings (for NAND and DM9000) - * - pinmux - * - * Some of that is repeated here, mostly as a precaution. - */ - - /* AEMIF: Some "address" lines are available as GPIOs. A3..A13 - * could be too if we used A12 as a GPIO during NAND chipselect - * (and Linux did too), letting us control the LED on A7/GPIO61. - */ - REG(PINMUX2) = 0x0c08; - - /* UART0 may still be in SyncReset if we didn't boot from UART */ - davinci_enable_uart0(); - - /* EDMA may be in SyncReset too; turn it on, Linux won't (yet) */ - lpsc_on(DAVINCI_LPSC_TPCC); - lpsc_on(DAVINCI_LPSC_TPTC0); - lpsc_on(DAVINCI_LPSC_TPTC1); - - return 0; -} - -#ifdef CONFIG_DRIVER_DM9000 -int board_eth_init(bd_t *bis) -{ - return dm9000_initialize(bis); -} -#endif - -#ifdef CONFIG_NAND_DAVINCI - -static void nand_dm355evm_select_chip(struct mtd_info *mtd, int chip) -{ - struct nand_chip *this = mtd->priv; - unsigned long wbase = (unsigned long) this->IO_ADDR_W; - unsigned long rbase = (unsigned long) this->IO_ADDR_R; - - if (chip == 1) { - __set_bit(14, &wbase); - __set_bit(14, &rbase); - } else { - __clear_bit(14, &wbase); - __clear_bit(14, &rbase); - } - this->IO_ADDR_W = (void *)wbase; - this->IO_ADDR_R = (void *)rbase; -} - -int board_nand_init(struct nand_chip *nand) -{ - davinci_nand_init(nand); - nand->select_chip = nand_dm355evm_select_chip; - return 0; -} - -#endif - -#ifdef CONFIG_DAVINCI_MMC -static struct davinci_mmc mmc_sd0 = { - .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE, - .input_clk = 108000000, - .host_caps = MMC_MODE_4BIT, - .voltages = MMC_VDD_32_33 | MMC_VDD_33_34, - .version = MMC_CTLR_VERSION_1, -}; - -#ifdef CONFIG_DAVINCI_MMC_SD1 -static struct davinci_mmc mmc_sd1 = { - .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE, - .input_clk = 108000000, - .host_caps = MMC_MODE_4BIT, - .voltages = MMC_VDD_32_33 | MMC_VDD_33_34, - .version = MMC_CTLR_VERSION_1, -}; -#endif - -int board_mmc_init(bd_t *bis) -{ - int err; - - /* Add slot-0 to mmc subsystem */ - err = davinci_mmc_init(bis, &mmc_sd0); - if (err) - return err; - -#ifdef CONFIG_DAVINCI_MMC_SD1 - /* Add slot-1 to mmc subsystem */ - err = davinci_mmc_init(bis, &mmc_sd1); -#endif - - return err; -} -#endif |
