xref: /openbmc/u-boot/board/spear/spear320/spear320.c (revision 95de1e2f)
1 /*
2  * (C) Copyright 2009
3  * Ryan Chen, ST Micoelectronics, ryan.chen@st.com.
4  * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <miiphy.h>
11 #include <netdev.h>
12 #include <nand.h>
13 #include <asm/io.h>
14 #include <linux/mtd/fsmc_nand.h>
15 #include <asm/arch/hardware.h>
16 #include <asm/arch/spr_defs.h>
17 #include <asm/arch/spr_misc.h>
18 
19 #define PLGPIO_SEL_36	0xb3000028
20 #define PLGPIO_IO_36	0xb3000038
21 
22 static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
23 
24 static void spear_phy_reset(void)
25 {
26 	writel(0x10, PLGPIO_IO_36);
27 	writel(0x10, PLGPIO_SEL_36);
28 }
29 
30 int board_init(void)
31 {
32 	spear_phy_reset();
33 	return spear_board_init(MACH_TYPE_SPEAR320);
34 }
35 
36 /*
37  * board_nand_init - Board specific NAND initialization
38  * @nand:	mtd private chip structure
39  *
40  * Called by nand_init_chip to initialize the board specific functions
41  */
42 
43 void board_nand_init()
44 {
45 	struct misc_regs *const misc_regs_p =
46 	    (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
47 	struct nand_chip *nand = &nand_chip[0];
48 
49 #if defined(CONFIG_NAND_FSMC)
50 	if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
51 	     MISC_SOCCFG30) ||
52 	    ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
53 	     MISC_SOCCFG31)) {
54 
55 		fsmc_nand_init(nand);
56 	}
57 #endif
58 
59 	return;
60 }
61 
62 int board_eth_init(bd_t *bis)
63 {
64 	int ret = 0;
65 
66 #if defined(CONFIG_ETH_DESIGNWARE)
67 	u32 interface = PHY_INTERFACE_MODE_MII;
68 	if (designware_initialize(CONFIG_SPEAR_ETHBASE, interface) >= 0)
69 		ret++;
70 #endif
71 #if defined(CONFIG_MACB)
72 	if (macb_eth_initialize(0, (void *)CONFIG_SYS_MACB0_BASE,
73 				CONFIG_MACB0_PHY) >= 0)
74 		ret++;
75 #endif
76 	return ret;
77 }
78