xref: /openbmc/u-boot/board/isee/igep00x0/igep00x0.c (revision ee7bb5be)
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 	.base = OMAP34XX_UART3,
38 	.reg_shift = 2,
39 	.clock = 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 static void reset_net_chip(int gpio)
106 {
107 	if (!gpio_request(gpio, "eth nrst")) {
108 		gpio_direction_output(gpio, 1);
109 		udelay(1);
110 		gpio_set_value(gpio, 0);
111 		udelay(40);
112 		gpio_set_value(gpio, 1);
113 		mdelay(10);
114 	}
115 }
116 
117 /*
118  * Routine: setup_net_chip
119  * Description: Setting up the configuration GPMC registers specific to the
120  *		Ethernet hardware.
121  */
122 static void setup_net_chip(void)
123 {
124 	struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
125 
126 	enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
127 			CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
128 
129 	/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
130 	writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
131 	/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
132 	writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
133 	/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
134 	writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
135 		&ctrl_base->gpmc_nadv_ale);
136 
137 	reset_net_chip(64);
138 }
139 #else
140 static inline void setup_net_chip(void) {}
141 #endif
142 
143 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
144 int board_mmc_init(bd_t *bis)
145 {
146 	return omap_mmc_init(0, 0, 0, -1, -1);
147 }
148 #endif
149 
150 #if defined(CONFIG_GENERIC_MMC)
151 void board_mmc_power_init(void)
152 {
153 	twl4030_power_mmc_init(0);
154 }
155 #endif
156 
157 void set_fdt(void)
158 {
159 	switch (gd->bd->bi_arch_number) {
160 	case MACH_TYPE_IGEP0020:
161 		setenv("fdtfile", "omap3-igep0020.dtb");
162 		break;
163 	case MACH_TYPE_IGEP0030:
164 		setenv("fdtfile", "omap3-igep0030.dtb");
165 		break;
166 	}
167 }
168 
169 /*
170  * Routine: misc_init_r
171  * Description: Configure board specific parts
172  */
173 int misc_init_r(void)
174 {
175 	twl4030_power_init();
176 
177 	setup_net_chip();
178 
179 	omap_die_id_display();
180 
181 	set_fdt();
182 
183 	return 0;
184 }
185 
186 /*
187  * Routine: set_muxconf_regs
188  * Description: Setting up the configuration Mux registers specific to the
189  *		hardware. Many pins need to be moved from protect to primary
190  *		mode.
191  */
192 void set_muxconf_regs(void)
193 {
194 	MUX_DEFAULT();
195 
196 #if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0020)
197 	MUX_IGEP0020();
198 #endif
199 
200 #if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0030)
201 	MUX_IGEP0030();
202 #endif
203 }
204 
205 #if defined(CONFIG_CMD_NET)
206 int board_eth_init(bd_t *bis)
207 {
208 #ifdef CONFIG_SMC911X
209 	return smc911x_initialize(0, CONFIG_SMC911X_BASE);
210 #else
211 	return 0;
212 #endif
213 }
214 #endif
215