1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2004-2011
4 * Texas Instruments, <www.ti.com>
9 * Derived from Beagle Board and 3430 SDP code by
21 #include <asm/arch/mem.h>
22 #include <asm/arch/mux.h>
23 #include <asm/arch/sys_proto.h>
24 #include <asm/arch/mmc_host_def.h>
28 #include <asm/mach-types.h>
29 #include <asm/omap_musb.h>
30 #include <linux/mtd/rawnand.h>
31 #include <linux/usb/ch9.h>
32 #include <linux/usb/gadget.h>
33 #include <linux/usb/musb.h>
36 #define OMAP3EVM_GPIO_ETH_RST_GEN1 64
37 #define OMAP3EVM_GPIO_ETH_RST_GEN2 7
39 DECLARE_GLOBAL_DATA_PTR;
41 static u32 omap3_evm_version;
43 u32 get_omap3_evm_rev(void)
45 return omap3_evm_version;
48 static void omap3_evm_get_revision(void)
50 #if defined(CONFIG_CMD_NET)
52 * Board revision can be ascertained only by identifying
53 * the Ethernet chipset.
57 /* Ethernet PHY ID is stored at ID_REV register */
58 smsc_id = readl(CONFIG_SMC911X_BASE + 0x50) & 0xFFFF0000;
59 printf("Read back SMSC id 0x%x\n", smsc_id);
62 /* SMSC9115 chipset */
64 omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
66 /* SMSC 9220 chipset */
69 omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
71 #else /* !CONFIG_CMD_NET */
72 #if defined(CONFIG_STATIC_BOARD_REV)
73 /* Look for static defintion of the board revision */
74 omap3_evm_version = CONFIG_STATIC_BOARD_REV;
76 /* Fallback to the default above */
77 omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
78 #endif /* CONFIG_STATIC_BOARD_REV */
79 #endif /* CONFIG_CMD_NET */
82 #if defined(CONFIG_USB_MUSB_GADGET) || defined(CONFIG_USB_MUSB_HOST)
83 /* MUSB port on OMAP3EVM Rev >= E requires extvbus programming. */
84 u8 omap3_evm_need_extvbus(void)
88 if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
93 #endif /* CONFIG_USB_MUSB_{GADGET,HOST} */
97 * Description: Early hardware init.
101 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
102 /* board id for Linux */
103 gd->bd->bi_arch_number = MACH_TYPE_OMAP3EVM;
104 /* boot param addr */
105 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
110 #if defined(CONFIG_SPL_OS_BOOT)
111 int spl_start_uboot(void)
113 /* break into full u-boot on 'c' */
114 if (serial_tstc() && serial_getc() == 'c')
119 #endif /* CONFIG_SPL_OS_BOOT */
121 #if defined(CONFIG_SPL_BUILD)
123 * Routine: get_board_mem_timings
124 * Description: If we use SPL then there is no x-loader nor config header
125 * so we have to setup the DDR timings ourself on the first bank. This
126 * provides the timing values back to the function that configures
129 void get_board_mem_timings(struct board_sdrc_timings *timings)
134 * We need to identify what PoP memory is on the board so that
135 * we know what timings to use. To map the ID values please see
138 identify_nand_chip(&pop_mfr, &pop_id);
140 if (pop_mfr == NAND_MFR_HYNIX && pop_id == 0xbc) {
142 timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
143 timings->ctrla = HYNIX_V_ACTIMA_200;
144 timings->ctrlb = HYNIX_V_ACTIMB_200;
147 timings->mcfg = MICRON_V_MCFG_165(128 << 20);
148 timings->ctrla = MICRON_V_ACTIMA_165;
149 timings->ctrlb = MICRON_V_ACTIMB_165;
151 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
152 timings->mr = MICRON_V_MR_165;
154 #endif /* CONFIG_SPL_BUILD */
156 #if defined(CONFIG_USB_MUSB_OMAP2PLUS)
157 static struct musb_hdrc_config musb_config = {
164 static struct omap_musb_board_data musb_board_data = {
165 .interface_type = MUSB_INTERFACE_ULPI,
168 static struct musb_hdrc_platform_data musb_plat = {
169 #if defined(CONFIG_USB_MUSB_HOST)
171 #elif defined(CONFIG_USB_MUSB_GADGET)
172 .mode = MUSB_PERIPHERAL,
174 #error "Please define either CONFIG_USB_MUSB_HOST or CONFIG_USB_MUSB_GADGET"
175 #endif /* CONFIG_USB_MUSB_{GADGET,HOST} */
176 .config = &musb_config,
178 .platform_ops = &omap2430_ops,
179 .board_data = &musb_board_data,
181 #endif /* CONFIG_USB_MUSB_OMAP2PLUS */
184 * Routine: misc_init_r
185 * Description: Init ethernet (done here so udelay works)
187 int misc_init_r(void)
189 twl4030_power_init();
191 #ifdef CONFIG_SYS_I2C_OMAP24XX
192 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
195 #if defined(CONFIG_CMD_NET)
198 omap3_evm_get_revision();
200 #if defined(CONFIG_CMD_NET)
203 omap_die_id_display();
205 #if defined(CONFIG_USB_MUSB_OMAP2PLUS)
206 musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE);
209 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)
210 omap_die_id_usbethaddr();
216 * Routine: set_muxconf_regs
217 * Description: Setting up the configuration Mux registers specific to the
218 * hardware. Many pins need to be moved from protect to primary
221 void set_muxconf_regs(void)
226 #if defined(CONFIG_CMD_NET)
228 * Routine: setup_net_chip
229 * Description: Setting up the configuration GPMC registers specific to the
232 static void setup_net_chip(void)
234 struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
236 /* Configure GPMC registers */
237 writel(NET_GPMC_CONFIG1, &gpmc_cfg->cs[5].config1);
238 writel(NET_GPMC_CONFIG2, &gpmc_cfg->cs[5].config2);
239 writel(NET_GPMC_CONFIG3, &gpmc_cfg->cs[5].config3);
240 writel(NET_GPMC_CONFIG4, &gpmc_cfg->cs[5].config4);
241 writel(NET_GPMC_CONFIG5, &gpmc_cfg->cs[5].config5);
242 writel(NET_GPMC_CONFIG6, &gpmc_cfg->cs[5].config6);
243 writel(NET_GPMC_CONFIG7, &gpmc_cfg->cs[5].config7);
245 /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
246 writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
247 /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
248 writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
249 /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
250 writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
251 &ctrl_base->gpmc_nadv_ale);
255 * Reset the ethernet chip.
257 static void reset_net_chip(void)
262 if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1) {
263 rst_gpio = OMAP3EVM_GPIO_ETH_RST_GEN1;
265 rst_gpio = OMAP3EVM_GPIO_ETH_RST_GEN2;
268 ret = gpio_request(rst_gpio, "");
270 printf("Unable to get GPIO %d\n", rst_gpio);
274 /* Configure as output */
275 gpio_direction_output(rst_gpio, 0);
277 /* Send a pulse on the GPIO pin */
278 gpio_set_value(rst_gpio, 1);
280 gpio_set_value(rst_gpio, 0);
282 gpio_set_value(rst_gpio, 1);
285 int board_eth_init(bd_t *bis)
287 #if defined(CONFIG_SMC911X)
288 env_set("ethaddr", NULL);
289 return smc911x_initialize(0, CONFIG_SMC911X_BASE);
294 #endif /* CONFIG_CMD_NET */
296 #if defined(CONFIG_MMC)
297 int board_mmc_init(bd_t *bis)
299 return omap_mmc_init(0, 0, 0, -1, -1);
302 void board_mmc_power_init(void)
304 twl4030_power_mmc_init(0);
306 #endif /* CONFIG_MMC */
308 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET) && !defined(CONFIG_CMD_NET)
309 int board_eth_init(bd_t *bis)
311 return usb_eth_initialize(bis);
313 #endif /* CONFIG_USB_ETHER */