3 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
5 * Copyright (C) 2012 Stefan Roese <sr@denx.de>
7 * SPDX-License-Identifier: GPL-2.0+
17 #include <asm/arch/hardware.h>
18 #include <asm/arch/spr_defs.h>
19 #include <asm/arch/spr_misc.h>
20 #include <linux/mtd/fsmc_nand.h>
23 static struct nand_chip nand_chip
[CONFIG_SYS_MAX_NAND_DEVICE
];
28 * X600 is equipped with an M41T82 RTC. This RTC has the
29 * HT bit (Halt Update), which needs to be cleared upon
30 * power-up. Otherwise the RTC is halted.
34 return spear_board_init(MACH_TYPE_SPEAR600
);
37 int board_late_init(void)
40 * Monitor and env protection on by default
42 flash_protect(FLAG_PROTECT_SET
,
43 CONFIG_SYS_FLASH_BASE
, CONFIG_SYS_FLASH_BASE
+
44 CONFIG_SYS_SPL_LEN
+ CONFIG_SYS_MONITOR_LEN
+
45 2 * CONFIG_ENV_SECT_SIZE
- 1,
48 /* Init FPGA subsystem */
55 * board_nand_init - Board specific NAND initialization
56 * @nand: mtd private chip structure
58 * Called by nand_init_chip to initialize the board specific functions
61 void board_nand_init(void)
63 struct misc_regs
*const misc_regs_p
=
64 (struct misc_regs
*)CONFIG_SPEAR_MISCBASE
;
65 struct nand_chip
*nand
= &nand_chip
[0];
67 if (!(readl(&misc_regs_p
->auto_cfg_reg
) & MISC_NANDDIS
))
71 int board_phy_config(struct phy_device
*phydev
)
73 unsigned short id1
, id2
;
75 /* check whether KSZ9031 or AR8035 has to be configured */
76 id1
= phy_read(phydev
, MDIO_DEVAD_NONE
, 2);
77 id2
= phy_read(phydev
, MDIO_DEVAD_NONE
, 3);
79 if ((id1
== 0x22) && ((id2
& 0xFFF0) == 0x1620)) {
80 /* PHY configuration for Micrel KSZ9031 */
81 printf("PHY KSZ9031 detected - ");
83 phy_write(phydev
, MDIO_DEVAD_NONE
, MII_CTRL1000
, 0x1c00);
85 /* control data pad skew - devaddr = 0x02, register = 0x04 */
86 ksz9031_phy_extended_write(phydev
, 0x02,
87 MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW
,
88 MII_KSZ9031_MOD_DATA_NO_POST_INC
,
90 /* rx data pad skew - devaddr = 0x02, register = 0x05 */
91 ksz9031_phy_extended_write(phydev
, 0x02,
92 MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW
,
93 MII_KSZ9031_MOD_DATA_NO_POST_INC
,
95 /* tx data pad skew - devaddr = 0x02, register = 0x05 */
96 ksz9031_phy_extended_write(phydev
, 0x02,
97 MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW
,
98 MII_KSZ9031_MOD_DATA_NO_POST_INC
,
100 /* gtx and rx clock pad skew - devaddr = 0x02, reg = 0x08 */
101 ksz9031_phy_extended_write(phydev
, 0x02,
102 MII_KSZ9031_EXT_RGMII_CLOCK_SKEW
,
103 MII_KSZ9031_MOD_DATA_NO_POST_INC
,
106 /* PHY configuration for Vitesse VSC8641 */
107 printf("PHY VSC8641 detected - ");
109 /* Extended PHY control 1, select GMII */
110 phy_write(phydev
, MDIO_DEVAD_NONE
, 23, 0x0020);
112 /* Software reset necessary after GMII mode selction */
115 /* Enable extended page register access */
116 phy_write(phydev
, MDIO_DEVAD_NONE
, 31, 0x0001);
118 /* 17e: Enhanced LED behavior, needs to be written twice */
119 phy_write(phydev
, MDIO_DEVAD_NONE
, 17, 0x09ff);
120 phy_write(phydev
, MDIO_DEVAD_NONE
, 17, 0x09ff);
122 /* 16e: Enhanced LED method select */
123 phy_write(phydev
, MDIO_DEVAD_NONE
, 16, 0xe0ea);
125 /* Disable extended page register access */
126 phy_write(phydev
, MDIO_DEVAD_NONE
, 31, 0x0000);
128 /* Enable clock output pin */
129 phy_write(phydev
, MDIO_DEVAD_NONE
, 18, 0x0049);
132 if (phydev
->drv
->config
)
133 phydev
->drv
->config(phydev
);
138 int board_eth_init(bd_t
*bis
)
142 if (designware_initialize(CONFIG_SPEAR_ETHBASE
,
143 PHY_INTERFACE_MODE_GMII
) >= 0)