| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Miscelaneous DaVinci functions. |
| * |
| * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, <nick.thompson@gefanuc.com> |
| * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> |
| * Copyright (C) 2008 Lyrtech <www.lyrtech.com> |
| * Copyright (C) 2004 Texas Instruments. |
| */ |
| |
| #include <common.h> |
| #include <env.h> |
| #include <i2c.h> |
| #include <init.h> |
| #include <log.h> |
| #include <net.h> |
| #include <asm/arch/hardware.h> |
| #include <asm/global_data.h> |
| #include <asm/io.h> |
| #include <asm/arch/davinci_misc.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #ifndef CONFIG_SPL_BUILD |
| int dram_init(void) |
| { |
| /* dram_init must store complete ramsize in gd->ram_size */ |
| gd->ram_size = get_ram_size( |
| (void *)CFG_SYS_SDRAM_BASE, |
| CONFIG_MAX_RAM_BANK_SIZE); |
| return 0; |
| } |
| |
| int dram_init_banksize(void) |
| { |
| gd->bd->bi_dram[0].start = CFG_SYS_SDRAM_BASE; |
| gd->bd->bi_dram[0].size = gd->ram_size; |
| |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_DRIVER_TI_EMAC |
| /* |
| * Set the mii mode as MII or RMII |
| */ |
| void davinci_emac_mii_mode_sel(int mode_sel) |
| { |
| int val; |
| |
| val = readl(&davinci_syscfg_regs->cfgchip3); |
| if (mode_sel == 0) |
| val &= ~(1 << 8); |
| else |
| val |= (1 << 8); |
| writel(val, &davinci_syscfg_regs->cfgchip3); |
| } |
| |
| /* |
| * If there is no MAC address in the environment, then it will be initialized |
| * (silently) from the value in the EEPROM. |
| */ |
| void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr) |
| { |
| uint8_t env_enetaddr[6]; |
| int ret; |
| |
| ret = eth_env_get_enetaddr_by_index("eth", 0, env_enetaddr); |
| if (!ret) { |
| /* |
| * There is no MAC address in the environment, so we |
| * initialize it from the value in the EEPROM. |
| */ |
| debug("### Setting environment from EEPROM MAC address = " |
| "\"%pM\"\n", |
| env_enetaddr); |
| ret = !eth_env_set_enetaddr("ethaddr", rom_enetaddr); |
| } |
| if (!ret) |
| printf("Failed to set mac address from EEPROM: %d\n", ret); |
| } |
| #endif /* CONFIG_DRIVER_TI_EMAC */ |
| |
| void irq_init(void) |
| { |
| /* |
| * Mask all IRQs by clearing the global enable and setting |
| * the enable clear for all the 90 interrupts. |
| */ |
| writel(0, &davinci_aintc_regs->ger); |
| |
| writel(0, &davinci_aintc_regs->hier); |
| |
| writel(0xffffffff, &davinci_aintc_regs->ecr1); |
| writel(0xffffffff, &davinci_aintc_regs->ecr2); |
| writel(0xffffffff, &davinci_aintc_regs->ecr3); |
| } |
| |
| /* |
| * Enable PSC for various peripherals. |
| */ |
| int da8xx_configure_lpsc_items(const struct lpsc_resource *item, |
| const int n_items) |
| { |
| int i; |
| |
| for (i = 0; i < n_items; i++) |
| lpsc_on(item[i].lpsc_no); |
| |
| return 0; |
| } |