xref: /openbmc/u-boot/board/isee/igep00x0/igep00x0.c (revision b1e6c4c3)
1 /*
2  * (C) Copyright 2010
3  * ISEE 2007 SL, <www.iseebcn.com>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 #include <common.h>
24 #include <twl4030.h>
25 #include <netdev.h>
26 #include <asm/gpio.h>
27 #include <asm/omap_gpmc.h>
28 #include <asm/io.h>
29 #include <asm/arch/mem.h>
30 #include <asm/arch/mmc_host_def.h>
31 #include <asm/arch/mux.h>
32 #include <asm/arch/sys_proto.h>
33 #include <asm/mach-types.h>
34 #include "igep00x0.h"
35 
36 DECLARE_GLOBAL_DATA_PTR;
37 
38 #if defined(CONFIG_CMD_NET)
39 /* GPMC definitions for LAN9221 chips */
40 static const u32 gpmc_lan_config[] = {
41 	NET_LAN9221_GPMC_CONFIG1,
42 	NET_LAN9221_GPMC_CONFIG2,
43 	NET_LAN9221_GPMC_CONFIG3,
44 	NET_LAN9221_GPMC_CONFIG4,
45 	NET_LAN9221_GPMC_CONFIG5,
46 	NET_LAN9221_GPMC_CONFIG6,
47 };
48 #endif
49 
50 /*
51  * Routine: board_init
52  * Description: Early hardware init.
53  */
54 int board_init(void)
55 {
56 	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
57 	/* boot param addr */
58 	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
59 
60 	return 0;
61 }
62 
63 #if defined(CONFIG_SHOW_BOOT_PROGRESS) && !defined(CONFIG_SPL_BUILD)
64 void show_boot_progress(int val)
65 {
66 	if (val < 0) {
67 		/* something went wrong */
68 		return;
69 	}
70 
71 	if (!gpio_request(IGEP00X0_GPIO_LED, ""))
72 		gpio_direction_output(IGEP00X0_GPIO_LED, 1);
73 }
74 #endif
75 
76 #ifdef CONFIG_SPL_BUILD
77 /*
78  * Routine: omap_rev_string
79  * Description: For SPL builds output board rev
80  */
81 void omap_rev_string(void)
82 {
83 }
84 
85 /*
86  * Routine: get_board_mem_timings
87  * Description: If we use SPL then there is no x-loader nor config header
88  * so we have to setup the DDR timings ourself on both banks.
89  */
90 void get_board_mem_timings(struct board_sdrc_timings *timings)
91 {
92 	timings->mr = MICRON_V_MR_165;
93 #ifdef CONFIG_BOOT_NAND
94 	timings->mcfg = MICRON_V_MCFG_200(256 << 20);
95 	timings->ctrla = MICRON_V_ACTIMA_200;
96 	timings->ctrlb = MICRON_V_ACTIMB_200;
97 	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
98 #else
99 	if (get_cpu_family() == CPU_OMAP34XX) {
100 		timings->mcfg = NUMONYX_V_MCFG_165(256 << 20);
101 		timings->ctrla = NUMONYX_V_ACTIMA_165;
102 		timings->ctrlb = NUMONYX_V_ACTIMB_165;
103 		timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
104 
105 	} else {
106 		timings->mcfg = NUMONYX_V_MCFG_200(256 << 20);
107 		timings->ctrla = NUMONYX_V_ACTIMA_200;
108 		timings->ctrlb = NUMONYX_V_ACTIMB_200;
109 		timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
110 	}
111 #endif
112 }
113 #endif
114 
115 #if defined(CONFIG_CMD_NET)
116 /*
117  * Routine: setup_net_chip
118  * Description: Setting up the configuration GPMC registers specific to the
119  *		Ethernet hardware.
120  */
121 static void setup_net_chip(void)
122 {
123 	struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
124 
125 	enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000,
126 			GPMC_SIZE_16M);
127 
128 	/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
129 	writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
130 	/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
131 	writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
132 	/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
133 	writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
134 		&ctrl_base->gpmc_nadv_ale);
135 
136 	/* Make GPIO 64 as output pin and send a magic pulse through it */
137 	if (!gpio_request(64, "")) {
138 		gpio_direction_output(64, 0);
139 		gpio_set_value(64, 1);
140 		udelay(1);
141 		gpio_set_value(64, 0);
142 		udelay(1);
143 		gpio_set_value(64, 1);
144 	}
145 }
146 #else
147 static inline void setup_net_chip(void) {}
148 #endif
149 
150 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
151 int board_mmc_init(bd_t *bis)
152 {
153 	return omap_mmc_init(0, 0, 0, -1, -1);
154 }
155 #endif
156 
157 /*
158  * Routine: misc_init_r
159  * Description: Configure board specific parts
160  */
161 int misc_init_r(void)
162 {
163 	twl4030_power_init();
164 
165 	setup_net_chip();
166 
167 	dieid_num_r();
168 
169 	return 0;
170 }
171 
172 /*
173  * Routine: set_muxconf_regs
174  * Description: Setting up the configuration Mux registers specific to the
175  *		hardware. Many pins need to be moved from protect to primary
176  *		mode.
177  */
178 void set_muxconf_regs(void)
179 {
180 	MUX_DEFAULT();
181 
182 #if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0020)
183 	MUX_IGEP0020();
184 #endif
185 
186 #if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0030)
187 	MUX_IGEP0030();
188 #endif
189 }
190 
191 #if defined(CONFIG_CMD_NET)
192 int board_eth_init(bd_t *bis)
193 {
194 	int rc = 0;
195 #ifdef CONFIG_SMC911X
196 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
197 #endif
198 	return rc;
199 }
200 #endif
201