test: rng: Add a UT testcase for the rng command
[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 <init.h>
16 #include <net.h>
17 #include <ns16550.h>
18 #include <flash.h>
19 #include <nand.h>
20 #include <i2c.h>
21 #include <serial.h>
22 #include <twl4030.h>
23 #include <asm/global_data.h>
24 #include <asm/io.h>
25 #include <asm/arch/mmc_host_def.h>
26 #include <asm/arch/mux.h>
27 #include <asm/arch/mem.h>
28 #include <asm/arch/sys_proto.h>
29 #include <asm/gpio.h>
30 #include <asm/omap_mmc.h>
31 #include <asm/mach-types.h>
32 #include <linux/mtd/rawnand.h>
33 #include <asm/omap_musb.h>
34 #include <linux/errno.h>
35 #include <linux/usb/ch9.h>
36 #include <linux/usb/gadget.h>
37 #include <linux/usb/musb.h>
38 #include "omap3logic.h"
39 #ifdef CONFIG_USB_EHCI_HCD
40 #include <usb.h>
41 #include <asm/ehci-omap.h>
42 #endif
43
44 DECLARE_GLOBAL_DATA_PTR;
45
46 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG1      0x00011203
47 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG2      0x000A1302
48 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG3      0x000F1302
49 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG4      0x0A021303
50 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG5      0x00120F18
51 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG6      0x0A030000
52 #define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG7      0x00000C50
53
54 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG1    0x00011203
55 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG2    0x00091102
56 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG3    0x000D1102
57 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG4    0x09021103
58 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG5    0x00100D15
59 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG6    0x09030000
60 #define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG7    0x00000C50
61
62 #define CONFIG_SMC911X_BASE 0x08000000
63
64 #ifdef CONFIG_SPL_OS_BOOT
65 int spl_start_uboot(void)
66 {
67         /* break into full u-boot on 'c' */
68         return serial_tstc() && serial_getc() == 'c';
69 }
70 #endif
71
72 #if defined(CONFIG_SPL_BUILD)
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 the first bank.  This
77  * provides the timing values back to the function that configures
78  * the memory.
79  */
80 void get_board_mem_timings(struct board_sdrc_timings *timings)
81 {
82         timings->mr = MICRON_V_MR_165;
83
84         if (get_cpu_family() == CPU_OMAP36XX) {
85                 /* 200 MHz works for OMAP36/DM37 */
86                 /* 256MB DDR */
87                 timings->mcfg = MICRON_V_MCFG_200(256 << 20);
88                 timings->ctrla = MICRON_V_ACTIMA_200;
89                 timings->ctrlb = MICRON_V_ACTIMB_200;
90                 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
91         } else {
92                 /* 165 MHz works for OMAP35 */
93                 timings->mcfg = MICRON_V_MCFG_165(256 << 20);
94                 timings->ctrla = MICRON_V_ACTIMA_165;
95                 timings->ctrlb = MICRON_V_ACTIMB_165;
96                 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
97         }
98 }
99
100 #define GPMC_NAND_COMMAND_0 (OMAP34XX_GPMC_BASE + 0x7c)
101 #define GPMC_NAND_DATA_0 (OMAP34XX_GPMC_BASE + 0x84)
102 #define GPMC_NAND_ADDRESS_0 (OMAP34XX_GPMC_BASE + 0x80)
103
104 void spl_board_prepare_for_linux(void)
105 {
106         /* The Micron NAND starts locked which
107          * prohibits mounting the NAND as RW
108          * The following commands are what unlocks
109          * the NAND to become RW Falcon Mode does not
110          * have as many smarts as U-Boot, but Logic PD
111          * only makes NAND with 512MB so these hard coded
112          * values should work for all current models
113          */
114
115         writeb(0x70, GPMC_NAND_COMMAND_0);
116         writeb(-1, GPMC_NAND_DATA_0);
117         writeb(0x7a, GPMC_NAND_COMMAND_0);
118         writeb(0x00, GPMC_NAND_ADDRESS_0);
119         writeb(0x00, GPMC_NAND_ADDRESS_0);
120         writeb(0x00, GPMC_NAND_ADDRESS_0);
121         writeb(-1, GPMC_NAND_COMMAND_0);
122
123         /* Begin address 0 */
124         writeb(NAND_CMD_UNLOCK1, 0x6e00007c);
125         writeb(0x00, GPMC_NAND_ADDRESS_0);
126         writeb(0x00, GPMC_NAND_ADDRESS_0);
127         writeb(0x00, GPMC_NAND_ADDRESS_0);
128         writeb(-1, GPMC_NAND_DATA_0);
129
130         /* Ending address at the end of Flash */
131         writeb(NAND_CMD_UNLOCK2, GPMC_NAND_COMMAND_0);
132         writeb(0xc0, GPMC_NAND_ADDRESS_0);
133         writeb(0xff, GPMC_NAND_ADDRESS_0);
134         writeb(0x03, GPMC_NAND_ADDRESS_0);
135         writeb(-1, GPMC_NAND_DATA_0);
136         writeb(0x79, GPMC_NAND_COMMAND_0);
137         writeb(-1, GPMC_NAND_DATA_0);
138         writeb(-1, GPMC_NAND_DATA_0);
139 }
140 #endif
141
142 /*
143  * Routine: misc_init_r
144  * Description: Configure board specific parts
145  */
146 int misc_init_r(void)
147 {
148         twl4030_power_init();
149         twl4030_power_mmc_init(0);
150         omap_die_id_display();
151         return 0;
152 }
153
154 #if defined(CONFIG_FLASH_CFI_DRIVER)
155 static const u32 gpmc_dm37_c2nor_config[] = {
156         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG1,
157         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG2,
158         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG3,
159         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG4,
160         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG5,
161         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG6,
162         LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG7
163 };
164
165 static const u32 gpmc_omap35_c2nor_config[] = {
166         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG1,
167         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG2,
168         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG3,
169         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG4,
170         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG5,
171         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG6,
172         LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG7
173 };
174 #endif
175
176 /*
177  * Routine: board_init
178  * Description: Early hardware init.
179  */
180 int board_init(void)
181 {
182         gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
183
184         /* boot param addr */
185         gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
186 #if defined(CONFIG_FLASH_CFI_DRIVER)
187         if (get_cpu_family() == CPU_OMAP36XX) {
188                 /* Enable CS2 for NOR Flash */
189                 enable_gpmc_cs_config(gpmc_dm37_c2nor_config, &gpmc_cfg->cs[2],
190                                       0x10000000, GPMC_SIZE_64M);
191         } else {
192                 enable_gpmc_cs_config(gpmc_omap35_c2nor_config, &gpmc_cfg->cs[2],
193                                       0x10000000, GPMC_SIZE_64M);
194         }
195 #endif
196         return 0;
197 }
198
199 #ifdef CONFIG_BOARD_LATE_INIT
200
201 static void unlock_nand(void)
202 {
203         int dev = nand_curr_device;
204         struct mtd_info *mtd;
205
206         mtd = get_nand_dev_by_index(dev);
207         nand_unlock(mtd, 0, mtd->size, 0);
208 }
209
210 #ifdef CONFIG_SMC911X
211 /* GPMC CS1 settings for Logic SOM LV/Torpedo LAN92xx Ethernet chip */
212 static const u32 gpmc_lan92xx_config[] = {
213         NET_LAN92XX_GPMC_CONFIG1,
214         NET_LAN92XX_GPMC_CONFIG2,
215         NET_LAN92XX_GPMC_CONFIG3,
216         NET_LAN92XX_GPMC_CONFIG4,
217         NET_LAN92XX_GPMC_CONFIG5,
218         NET_LAN92XX_GPMC_CONFIG6,
219 };
220 #endif
221
222 int board_late_init(void)
223 {
224 #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
225         unlock_nand();
226 #endif
227
228 #ifdef CONFIG_SMC911X
229         enable_gpmc_cs_config(gpmc_lan92xx_config, &gpmc_cfg->cs[1],
230                         CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
231 #endif
232         return 0;
233 }
234 #endif
235
236 #if defined(CONFIG_MMC)
237 void board_mmc_power_init(void)
238 {
239         twl4030_power_mmc_init(0);
240 }
241 #endif