1 // SPDX-License-Identifier: GPL-2.0+
4 * Logic Product Development <www.logicpd.com>
7 * Peter Barada <peter.barada@logicpd.com>
9 * Derived from Beagle Board and 3430 SDP code by
10 * Richard Woodruff <r-woodruff2@ti.com>
11 * Syed Mohammed Khasim <khasim@ti.com>
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>
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
38 #include <asm/ehci-omap.h>
41 DECLARE_GLOBAL_DATA_PTR;
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
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
59 #ifdef CONFIG_SPL_OS_BOOT
60 int spl_start_uboot(void)
62 /* break into full u-boot on 'c' */
63 return serial_tstc() && serial_getc() == 'c';
67 #if defined(CONFIG_SPL_BUILD)
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
75 void get_board_mem_timings(struct board_sdrc_timings *timings)
77 timings->mr = MICRON_V_MR_165;
79 if (get_cpu_family() == CPU_OMAP36XX) {
80 /* 200 MHz works for OMAP36/DM37 */
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;
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;
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)
99 void spl_board_prepare_for_linux(void)
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
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);
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);
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);
138 * Routine: misc_init_r
139 * Description: Configure board specific parts
141 int misc_init_r(void)
143 twl4030_power_init();
144 twl4030_power_mmc_init(0);
145 omap_die_id_display();
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
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
172 * Routine: board_init
173 * Description: Early hardware init.
177 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
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);
187 enable_gpmc_cs_config(gpmc_omap35_c2nor_config, &gpmc_cfg->cs[2],
188 0x10000000, GPMC_SIZE_64M);
194 #ifdef CONFIG_BOARD_LATE_INIT
196 static void unlock_nand(void)
198 int dev = nand_curr_device;
199 struct mtd_info *mtd;
201 mtd = get_nand_dev_by_index(dev);
202 nand_unlock(mtd, 0, mtd->size, 0);
205 int board_late_init(void)
207 #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
214 #if defined(CONFIG_MMC)
215 void board_mmc_power_init(void)
217 twl4030_power_mmc_init(0);
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,
232 int board_eth_init(bd_t *bis)
234 enable_gpmc_cs_config(gpmc_lan92xx_config, &gpmc_cfg->cs[1],
235 CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
237 return smc911x_initialize(0, CONFIG_SMC911X_BASE);