xref: /openbmc/u-boot/board/spear/spear320/spear320.c (revision cd1cc31f)
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/mach-types.h>
16 #include <asm/arch/hardware.h>
17 #include <asm/arch/spr_defs.h>
18 #include <asm/arch/spr_misc.h>
19 
20 #define PLGPIO_SEL_36	0xb3000028
21 #define PLGPIO_IO_36	0xb3000038
22 
23 static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
24 
25 static void spear_phy_reset(void)
26 {
27 	writel(0x10, PLGPIO_IO_36);
28 	writel(0x10, PLGPIO_SEL_36);
29 }
30 
31 int board_init(void)
32 {
33 	spear_phy_reset();
34 	return spear_board_init(MACH_TYPE_SPEAR320);
35 }
36 
37 /*
38  * board_nand_init - Board specific NAND initialization
39  * @nand:	mtd private chip structure
40  *
41  * Called by nand_init_chip to initialize the board specific functions
42  */
43 
44 void board_nand_init()
45 {
46 	struct misc_regs *const misc_regs_p =
47 	    (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
48 	struct nand_chip *nand = &nand_chip[0];
49 
50 #if defined(CONFIG_NAND_FSMC)
51 	if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
52 	     MISC_SOCCFG30) ||
53 	    ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
54 	     MISC_SOCCFG31)) {
55 
56 		fsmc_nand_init(nand);
57 	}
58 #endif
59 
60 	return;
61 }
62 
63 int board_eth_init(bd_t *bis)
64 {
65 	int ret = 0;
66 
67 #if defined(CONFIG_ETH_DESIGNWARE)
68 	u32 interface = PHY_INTERFACE_MODE_MII;
69 	if (designware_initialize(CONFIG_SPEAR_ETHBASE, interface) >= 0)
70 		ret++;
71 #endif
72 #if defined(CONFIG_MACB)
73 	if (macb_eth_initialize(0, (void *)CONFIG_SYS_MACB0_BASE,
74 				CONFIG_MACB0_PHY) >= 0)
75 		ret++;
76 #endif
77 	return ret;
78 }
79