xref: /openbmc/u-boot/board/isee/igep00x0/igep00x0.c (revision c0982871)
1 /*
2  * (C) Copyright 2010
3  * ISEE 2007 SL, <www.iseebcn.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 #include <common.h>
8 #include <status_led.h>
9 #include <dm.h>
10 #include <ns16550.h>
11 #include <twl4030.h>
12 #include <netdev.h>
13 #include <asm/gpio.h>
14 #include <asm/io.h>
15 #include <asm/arch/mem.h>
16 #include <asm/arch/mmc_host_def.h>
17 #include <asm/arch/mux.h>
18 #include <asm/arch/sys_proto.h>
19 #include <asm/mach-types.h>
20 #include "igep00x0.h"
21 
22 DECLARE_GLOBAL_DATA_PTR;
23 
24 #if defined(CONFIG_CMD_NET)
25 /* GPMC definitions for LAN9221 chips */
26 static const u32 gpmc_lan_config[] = {
27 	NET_LAN9221_GPMC_CONFIG1,
28 	NET_LAN9221_GPMC_CONFIG2,
29 	NET_LAN9221_GPMC_CONFIG3,
30 	NET_LAN9221_GPMC_CONFIG4,
31 	NET_LAN9221_GPMC_CONFIG5,
32 	NET_LAN9221_GPMC_CONFIG6,
33 };
34 #endif
35 
36 static const struct ns16550_platdata igep_serial = {
37 	OMAP34XX_UART3,
38 	2,
39 	V_NS16550_CLK
40 };
41 
42 U_BOOT_DEVICE(igep_uart) = {
43 	"ns16550_serial",
44 	&igep_serial
45 };
46 
47 /*
48  * Routine: board_init
49  * Description: Early hardware init.
50  */
51 int board_init(void)
52 {
53 	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
54 	/* boot param addr */
55 	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
56 
57 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
58 	status_led_set(STATUS_LED_BOOT, STATUS_LED_ON);
59 #endif
60 
61 	return 0;
62 }
63 
64 #ifdef CONFIG_SPL_BUILD
65 /*
66  * Routine: omap_rev_string
67  * Description: For SPL builds output board rev
68  */
69 void omap_rev_string(void)
70 {
71 }
72 
73 /*
74  * Routine: get_board_mem_timings
75  * Description: If we use SPL then there is no x-loader nor config header
76  * so we have to setup the DDR timings ourself on both banks.
77  */
78 void get_board_mem_timings(struct board_sdrc_timings *timings)
79 {
80 	timings->mr = MICRON_V_MR_165;
81 #ifdef CONFIG_BOOT_NAND
82 	timings->mcfg = MICRON_V_MCFG_200(256 << 20);
83 	timings->ctrla = MICRON_V_ACTIMA_200;
84 	timings->ctrlb = MICRON_V_ACTIMB_200;
85 	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
86 #else
87 	if (get_cpu_family() == CPU_OMAP34XX) {
88 		timings->mcfg = NUMONYX_V_MCFG_165(256 << 20);
89 		timings->ctrla = NUMONYX_V_ACTIMA_165;
90 		timings->ctrlb = NUMONYX_V_ACTIMB_165;
91 		timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
92 
93 	} else {
94 		timings->mcfg = NUMONYX_V_MCFG_200(256 << 20);
95 		timings->ctrla = NUMONYX_V_ACTIMA_200;
96 		timings->ctrlb = NUMONYX_V_ACTIMB_200;
97 		timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
98 	}
99 #endif
100 }
101 #endif
102 
103 #if defined(CONFIG_CMD_NET)
104 /*
105  * Routine: setup_net_chip
106  * Description: Setting up the configuration GPMC registers specific to the
107  *		Ethernet hardware.
108  */
109 static void setup_net_chip(void)
110 {
111 	struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
112 
113 	enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000,
114 			GPMC_SIZE_16M);
115 
116 	/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
117 	writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
118 	/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
119 	writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
120 	/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
121 	writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
122 		&ctrl_base->gpmc_nadv_ale);
123 
124 	/* Make GPIO 64 as output pin and send a magic pulse through it */
125 	if (!gpio_request(64, "")) {
126 		gpio_direction_output(64, 0);
127 		gpio_set_value(64, 1);
128 		udelay(1);
129 		gpio_set_value(64, 0);
130 		udelay(1);
131 		gpio_set_value(64, 1);
132 	}
133 }
134 #else
135 static inline void setup_net_chip(void) {}
136 #endif
137 
138 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
139 int board_mmc_init(bd_t *bis)
140 {
141 	return omap_mmc_init(0, 0, 0, -1, -1);
142 }
143 #endif
144 
145 #if defined(CONFIG_GENERIC_MMC)
146 void board_mmc_power_init(void)
147 {
148 	twl4030_power_mmc_init(0);
149 }
150 #endif
151 
152 void set_fdt(void)
153 {
154 	switch (gd->bd->bi_arch_number) {
155 	case MACH_TYPE_IGEP0020:
156 		setenv("fdtfile", "omap3-igep0020.dtb");
157 		break;
158 	case MACH_TYPE_IGEP0030:
159 		setenv("fdtfile", "omap3-igep0030.dtb");
160 		break;
161 	}
162 }
163 
164 /*
165  * Routine: misc_init_r
166  * Description: Configure board specific parts
167  */
168 int misc_init_r(void)
169 {
170 	twl4030_power_init();
171 
172 	setup_net_chip();
173 
174 	omap_die_id_display();
175 
176 	set_fdt();
177 
178 	return 0;
179 }
180 
181 /*
182  * Routine: set_muxconf_regs
183  * Description: Setting up the configuration Mux registers specific to the
184  *		hardware. Many pins need to be moved from protect to primary
185  *		mode.
186  */
187 void set_muxconf_regs(void)
188 {
189 	MUX_DEFAULT();
190 
191 #if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0020)
192 	MUX_IGEP0020();
193 #endif
194 
195 #if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0030)
196 	MUX_IGEP0030();
197 #endif
198 }
199 
200 #if defined(CONFIG_CMD_NET)
201 int board_eth_init(bd_t *bis)
202 {
203 	int rc = 0;
204 #ifdef CONFIG_SMC911X
205 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
206 #endif
207 	return rc;
208 }
209 #endif
210