| Stefan Roese | 995b72d | 2012-05-30 22:59:08 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2009 |
| 3 | * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. |
| 4 | * |
| 5 | * Copyright (C) 2012 Stefan Roese <sr@denx.de> |
| 6 | * |
| Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 7 | * SPDX-License-Identifier: GPL-2.0+ |
| Stefan Roese | 995b72d | 2012-05-30 22:59:08 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #include <common.h> |
| 11 | #include <nand.h> |
| 12 | #include <netdev.h> |
| 13 | #include <phy.h> |
| 14 | #include <rtc.h> |
| 15 | #include <asm/io.h> |
| 16 | #include <asm/arch/hardware.h> |
| 17 | #include <asm/arch/spr_defs.h> |
| 18 | #include <asm/arch/spr_misc.h> |
| 19 | #include <linux/mtd/fsmc_nand.h> |
| 20 | #include "fpga.h" |
| 21 | |
| 22 | static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE]; |
| 23 | |
| 24 | int board_init(void) |
| 25 | { |
| 26 | /* |
| 27 | * X600 is equipped with an M41T82 RTC. This RTC has the |
| 28 | * HT bit (Halt Update), which needs to be cleared upon |
| 29 | * power-up. Otherwise the RTC is halted. |
| 30 | */ |
| 31 | rtc_reset(); |
| 32 | |
| 33 | return spear_board_init(MACH_TYPE_SPEAR600); |
| 34 | } |
| 35 | |
| 36 | int board_late_init(void) |
| 37 | { |
| 38 | /* |
| 39 | * Monitor and env protection on by default |
| 40 | */ |
| 41 | flash_protect(FLAG_PROTECT_SET, |
| 42 | CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE + |
| 43 | CONFIG_SYS_SPL_LEN + CONFIG_SYS_MONITOR_LEN + |
| 44 | 2 * CONFIG_ENV_SECT_SIZE - 1, |
| 45 | &flash_info[0]); |
| 46 | |
| 47 | /* Init FPGA subsystem */ |
| 48 | x600_init_fpga(); |
| 49 | |
| 50 | return 0; |
| 51 | } |
| 52 | |
| 53 | /* |
| 54 | * board_nand_init - Board specific NAND initialization |
| 55 | * @nand: mtd private chip structure |
| 56 | * |
| 57 | * Called by nand_init_chip to initialize the board specific functions |
| 58 | */ |
| 59 | |
| 60 | void board_nand_init(void) |
| 61 | { |
| 62 | struct misc_regs *const misc_regs_p = |
| 63 | (struct misc_regs *)CONFIG_SPEAR_MISCBASE; |
| 64 | struct nand_chip *nand = &nand_chip[0]; |
| 65 | |
| 66 | if (!(readl(&misc_regs_p->auto_cfg_reg) & MISC_NANDDIS)) |
| 67 | fsmc_nand_init(nand); |
| 68 | } |
| 69 | |
| 70 | int designware_board_phy_init(struct eth_device *dev, int phy_addr, |
| 71 | int (*mii_write)(struct eth_device *, u8, u8, u16), |
| 72 | int dw_reset_phy(struct eth_device *)) |
| 73 | { |
| 74 | /* Extended PHY control 1, select GMII */ |
| 75 | mii_write(dev, phy_addr, 23, 0x0020); |
| 76 | |
| 77 | /* Software reset necessary after GMII mode selction */ |
| 78 | dw_reset_phy(dev); |
| 79 | |
| 80 | /* Enable extended page register access */ |
| 81 | mii_write(dev, phy_addr, 31, 0x0001); |
| 82 | |
| 83 | /* 17e: Enhanced LED behavior, needs to be written twice */ |
| 84 | mii_write(dev, phy_addr, 17, 0x09ff); |
| 85 | mii_write(dev, phy_addr, 17, 0x09ff); |
| 86 | |
| 87 | /* 16e: Enhanced LED method select */ |
| 88 | mii_write(dev, phy_addr, 16, 0xe0ea); |
| 89 | |
| 90 | /* Disable extended page register access */ |
| 91 | mii_write(dev, phy_addr, 31, 0x0000); |
| 92 | |
| 93 | /* Enable clock output pin */ |
| 94 | mii_write(dev, phy_addr, 18, 0x0049); |
| 95 | |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | int board_eth_init(bd_t *bis) |
| 100 | { |
| 101 | int ret = 0; |
| 102 | |
| 103 | if (designware_initialize(0, CONFIG_SPEAR_ETHBASE, CONFIG_PHY_ADDR, |
| 104 | PHY_INTERFACE_MODE_GMII) >= 0) |
| 105 | ret++; |
| 106 | |
| 107 | return ret; |
| 108 | } |