diff options
Diffstat (limited to 'roms/u-boot/board/spear/x600/x600.c')
-rw-r--r-- | roms/u-boot/board/spear/x600/x600.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/roms/u-boot/board/spear/x600/x600.c b/roms/u-boot/board/spear/x600/x600.c new file mode 100644 index 00000000..b8edfcd0 --- /dev/null +++ b/roms/u-boot/board/spear/x600/x600.c @@ -0,0 +1,109 @@ +/* + * (C) Copyright 2009 + * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. + * + * Copyright (C) 2012 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <nand.h> +#include <netdev.h> +#include <phy.h> +#include <rtc.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/spr_defs.h> +#include <asm/arch/spr_misc.h> +#include <linux/mtd/fsmc_nand.h> +#include "fpga.h" + +static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE]; + +int board_init(void) +{ + /* + * X600 is equipped with an M41T82 RTC. This RTC has the + * HT bit (Halt Update), which needs to be cleared upon + * power-up. Otherwise the RTC is halted. + */ + rtc_reset(); + + return spear_board_init(MACH_TYPE_SPEAR600); +} + +int board_late_init(void) +{ + /* + * Monitor and env protection on by default + */ + flash_protect(FLAG_PROTECT_SET, + CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE + + CONFIG_SYS_SPL_LEN + CONFIG_SYS_MONITOR_LEN + + 2 * CONFIG_ENV_SECT_SIZE - 1, + &flash_info[0]); + + /* Init FPGA subsystem */ + x600_init_fpga(); + + return 0; +} + +/* + * board_nand_init - Board specific NAND initialization + * @nand: mtd private chip structure + * + * Called by nand_init_chip to initialize the board specific functions + */ + +void board_nand_init(void) +{ + struct misc_regs *const misc_regs_p = + (struct misc_regs *)CONFIG_SPEAR_MISCBASE; + struct nand_chip *nand = &nand_chip[0]; + + if (!(readl(&misc_regs_p->auto_cfg_reg) & MISC_NANDDIS)) + fsmc_nand_init(nand); +} + +int board_phy_config(struct phy_device *phydev) +{ + /* Extended PHY control 1, select GMII */ + phy_write(phydev, MDIO_DEVAD_NONE, 23, 0x0020); + + /* Software reset necessary after GMII mode selction */ + phy_reset(phydev); + + /* Enable extended page register access */ + phy_write(phydev, MDIO_DEVAD_NONE, 31, 0x0001); + + /* 17e: Enhanced LED behavior, needs to be written twice */ + phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x09ff); + phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x09ff); + + /* 16e: Enhanced LED method select */ + phy_write(phydev, MDIO_DEVAD_NONE, 16, 0xe0ea); + + /* Disable extended page register access */ + phy_write(phydev, MDIO_DEVAD_NONE, 31, 0x0000); + + /* Enable clock output pin */ + phy_write(phydev, MDIO_DEVAD_NONE, 18, 0x0049); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int ret = 0; + + if (designware_initialize(CONFIG_SPEAR_ETHBASE, + PHY_INTERFACE_MODE_GMII) >= 0) + ret++; + + return ret; +} |