Merge tag 'u-boot-imx-20191105' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx
[platform/kernel/u-boot.git] / board / logicpd / omap3som / omap3logic.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2011
4  * Logic Product Development <www.logicpd.com>
5  *
6  * Author :
7  *      Peter Barada <peter.barada@logicpd.com>
8  *
9  * Derived from Beagle Board and 3430 SDP code by
10  *      Richard Woodruff <r-woodruff2@ti.com>
11  *      Syed Mohammed Khasim <khasim@ti.com>
12  */
13 #include <common.h>
14 #include <dm.h>
15 #include <ns16550.h>
16 #include <netdev.h>
17 #include <flash.h>
18 #include <nand.h>
19 #include <i2c.h>
20 #include <twl4030.h>
21 #include <asm/io.h>
22 #include <asm/arch/mmc_host_def.h>
23 #include <asm/arch/mux.h>
24 #include <asm/arch/mem.h>
25 #include <asm/arch/sys_proto.h>
26 #include <asm/gpio.h>
27 #include <asm/omap_mmc.h>
28 #include <asm/mach-types.h>
29 #include <linux/mtd/rawnand.h>
30 #include <asm/omap_musb.h>
31 #include <linux/errno.h>
32 #include <linux/usb/ch9.h>
33 #include <linux/usb/gadget.h>
34 #include <linux/usb/musb.h>
35 #include "omap3logic.h"
36 #ifdef CONFIG_USB_EHCI_HCD
37 #include <usb.h>
38 #include <asm/ehci-omap.h>
39 #endif
40
41 DECLARE_GLOBAL_DATA_PTR;
42
43 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG1      0x00011203
44 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG2      0x000A1302
45 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG3      0x000F1302
46 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG4      0x0A021303
47 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG5      0x00120F18
48 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG6      0x0A030000
49 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG7      0x00000C50
50
51 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG1    0x00011203
52 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG2    0x00091102
53 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG3    0x000D1102
54 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG4    0x09021103
55 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG5    0x00100D15
56 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG6    0x09030000
57 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG7    0x00000C50
58
59 #ifdef CONFIG_SPL_OS_BOOT
60 int spl_start_uboot(void)
61 {
62         /* break into full u-boot on 'c' */
63         return serial_tstc() && serial_getc() == 'c';
64 }
65 #endif
66
67 #if defined(CONFIG_SPL_BUILD)
68 /*
69  * Routine: get_board_mem_timings
70  * Description: If we use SPL then there is no x-loader nor config header
71  * so we have to setup the DDR timings ourself on the first bank.  This
72  * provides the timing values back to the function that configures
73  * the memory.
74  */
75 void get_board_mem_timings(struct board_sdrc_timings *timings)
76 {
77         timings->mr = MICRON_V_MR_165;
78
79         if (get_cpu_family() == CPU_OMAP36XX) {
80                 /* 200 MHz works for OMAP36/DM37 */
81                 /* 256MB DDR */
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                 /* 165 MHz works for OMAP35 */
88                 timings->mcfg = MICRON_V_MCFG_165(256 << 20);
89                 timings->ctrla = MICRON_V_ACTIMA_165;
90                 timings->ctrlb = MICRON_V_ACTIMB_165;
91                 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
92         }
93 }
94
95 #define GPMC_NAND_COMMAND_0 (OMAP34XX_GPMC_BASE + 0x7c)
96 #define GPMC_NAND_DATA_0 (OMAP34XX_GPMC_BASE + 0x84)
97 #define GPMC_NAND_ADDRESS_0 (OMAP34XX_GPMC_BASE + 0x80)
98
99 void spl_board_prepare_for_linux(void)
100 {
101         /* The Micron NAND starts locked which
102          * prohibits mounting the NAND as RW
103          * The following commands are what unlocks
104          * the NAND to become RW Falcon Mode does not
105          * have as many smarts as U-Boot, but Logic PD
106          * only makes NAND with 512MB so these hard coded
107          * values should work for all current models
108          */
109
110         writeb(0x70, GPMC_NAND_COMMAND_0);
111         writeb(-1, GPMC_NAND_DATA_0);
112         writeb(0x7a, GPMC_NAND_COMMAND_0);
113         writeb(0x00, GPMC_NAND_ADDRESS_0);
114         writeb(0x00, GPMC_NAND_ADDRESS_0);
115         writeb(0x00, GPMC_NAND_ADDRESS_0);
116         writeb(-1, GPMC_NAND_COMMAND_0);
117
118         /* Begin address 0 */
119         writeb(NAND_CMD_UNLOCK1, 0x6e00007c);
120         writeb(0x00, GPMC_NAND_ADDRESS_0);
121         writeb(0x00, GPMC_NAND_ADDRESS_0);
122         writeb(0x00, GPMC_NAND_ADDRESS_0);
123         writeb(-1, GPMC_NAND_DATA_0);
124
125         /* Ending address at the end of Flash */
126         writeb(NAND_CMD_UNLOCK2, GPMC_NAND_COMMAND_0);
127         writeb(0xc0, GPMC_NAND_ADDRESS_0);
128         writeb(0xff, GPMC_NAND_ADDRESS_0);
129         writeb(0x03, GPMC_NAND_ADDRESS_0);
130         writeb(-1, GPMC_NAND_DATA_0);
131         writeb(0x79, GPMC_NAND_COMMAND_0);
132         writeb(-1, GPMC_NAND_DATA_0);
133         writeb(-1, GPMC_NAND_DATA_0);
134 }
135 #endif
136
137 /*
138  * Routine: misc_init_r
139  * Description: Configure board specific parts
140  */
141 int misc_init_r(void)
142 {
143         twl4030_power_init();
144         twl4030_power_mmc_init(0);
145         omap_die_id_display();
146         return 0;
147 }
148
149 #if defined(CONFIG_FLASH_CFI_DRIVER)
150 static const u32 gpmc_dm37_c2nor_config[] = {
151         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG1,
152         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG2,
153         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG3,
154         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG4,
155         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG5,
156         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG6,
157         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG7
158 };
159
160 static const u32 gpmc_omap35_c2nor_config[] = {
161         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG1,
162         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG2,
163         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG3,
164         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG4,
165         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG5,
166         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG6,
167         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG7
168 };
169 #endif
170
171 /*
172  * Routine: board_init
173  * Description: Early hardware init.
174  */
175 int board_init(void)
176 {
177         gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
178
179         /* boot param addr */
180         gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
181 #if defined(CONFIG_FLASH_CFI_DRIVER)
182         if (get_cpu_family() == CPU_OMAP36XX) {
183                 /* Enable CS2 for NOR Flash */
184                 enable_gpmc_cs_config(gpmc_dm37_c2nor_config, &gpmc_cfg->cs[2],
185                                       0x10000000, GPMC_SIZE_64M);
186         } else {
187                 enable_gpmc_cs_config(gpmc_omap35_c2nor_config, &gpmc_cfg->cs[2],
188                                       0x10000000, GPMC_SIZE_64M);
189         }
190 #endif
191         return 0;
192 }
193
194 #ifdef CONFIG_BOARD_LATE_INIT
195
196 static void unlock_nand(void)
197 {
198         int dev = nand_curr_device;
199         struct mtd_info *mtd;
200
201         mtd = get_nand_dev_by_index(dev);
202         nand_unlock(mtd, 0, mtd->size, 0);
203 }
204
205 int board_late_init(void)
206 {
207 #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
208         unlock_nand();
209 #endif
210         return 0;
211 }
212 #endif
213
214 #if defined(CONFIG_MMC)
215 void board_mmc_power_init(void)
216 {
217         twl4030_power_mmc_init(0);
218 }
219 #endif
220
221 #ifdef CONFIG_SMC911X
222 /* GPMC CS1 settings for Logic SOM LV/Torpedo LAN92xx Ethernet chip */
223 static const u32 gpmc_lan92xx_config[] = {
224         NET_LAN92XX_GPMC_CONFIG1,
225         NET_LAN92XX_GPMC_CONFIG2,
226         NET_LAN92XX_GPMC_CONFIG3,
227         NET_LAN92XX_GPMC_CONFIG4,
228         NET_LAN92XX_GPMC_CONFIG5,
229         NET_LAN92XX_GPMC_CONFIG6,
230 };
231
232 int board_eth_init(bd_t *bis)
233 {
234         enable_gpmc_cs_config(gpmc_lan92xx_config, &gpmc_cfg->cs[1],
235                         CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
236
237         return smc911x_initialize(0, CONFIG_SMC911X_BASE);
238 }
239 #endif