diff options
Diffstat (limited to 'board/overo/overo.c')
| -rw-r--r-- | board/overo/overo.c | 144 |
1 files changed, 114 insertions, 30 deletions
diff --git a/board/overo/overo.c b/board/overo/overo.c index 13220c56dd..dfb8602baf 100644 --- a/board/overo/overo.c +++ b/board/overo/overo.c @@ -13,6 +13,8 @@ * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> +#include <dm.h> +#include <ns16550.h> #include <netdev.h> #include <twl4030.h> #include <linux/mtd/nand.h> @@ -25,12 +27,19 @@ #include <asm/mach-types.h> #include "overo.h" +#ifdef CONFIG_USB_EHCI +#include <usb.h> +#include <asm/ehci-omap.h> +#endif + DECLARE_GLOBAL_DATA_PTR; #define TWL4030_I2C_BUS 0 #define EXPANSION_EEPROM_I2C_BUS 2 #define EXPANSION_EEPROM_I2C_ADDRESS 0x51 +#define GUMSTIX_EMPTY_EEPROM 0x0 + #define GUMSTIX_SUMMIT 0x01000200 #define GUMSTIX_TOBI 0x02000200 #define GUMSTIX_TOBI_DUO 0x03000200 @@ -56,21 +65,17 @@ static struct { char fab_revision[8]; char env_var[16]; char env_setting[64]; -} expansion_config; +} expansion_config = {0x0}; -#if defined(CONFIG_CMD_NET) -static void setup_net_chip(void); -#endif +static const struct ns16550_platdata overo_serial = { + OMAP34XX_UART3, + 2, + V_NS16550_CLK +}; -/* GPMC definitions for LAN9221 chips on Tobi expansion boards */ -static const u32 gpmc_lan_config[] = { - NET_LAN9221_GPMC_CONFIG1, - NET_LAN9221_GPMC_CONFIG2, - NET_LAN9221_GPMC_CONFIG3, - NET_LAN9221_GPMC_CONFIG4, - NET_LAN9221_GPMC_CONFIG5, - NET_LAN9221_GPMC_CONFIG6, - /*CONFIG7- computed as params */ +U_BOOT_DEVICE(overo_uart) = { + "serial_omap", + &overo_serial }; /* @@ -213,6 +218,9 @@ int get_sdio2_config(void) */ unsigned int get_expansion_id(void) { + if (expansion_config.device_vendor != 0x0) + return expansion_config.device_vendor; + i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS); /* return GUMSTIX_NO_EEPROM if eeprom doesn't respond */ @@ -241,10 +249,6 @@ int misc_init_r(void) twl4030_power_init(); twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON); -#if defined(CONFIG_CMD_NET) - setup_net_chip(); -#endif - printf("Board revision: %d\n", get_board_revision()); switch (get_sdio2_config()) { @@ -266,6 +270,7 @@ int misc_init_r(void) printf("Recognized Summit expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); setenv("defaultdisplay", "dvi"); setenv("expansionname", "summit"); break; @@ -273,6 +278,7 @@ int misc_init_r(void) printf("Recognized Tobi expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); setenv("defaultdisplay", "dvi"); setenv("expansionname", "tobi"); break; @@ -280,20 +286,20 @@ int misc_init_r(void) printf("Recognized Tobi Duo expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); - /* second lan chip */ - enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4], - 0x2B000000, GPMC_SIZE_16M); + MUX_GUMSTIX(); break; case GUMSTIX_PALO35: printf("Recognized Palo35 expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); setenv("defaultdisplay", "lcd35"); break; case GUMSTIX_PALO43: printf("Recognized Palo43 expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); setenv("defaultdisplay", "lcd43"); setenv("expansionname", "palo43"); break; @@ -301,6 +307,7 @@ int misc_init_r(void) printf("Recognized Chestnut43 expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); setenv("defaultdisplay", "lcd43"); setenv("expansionname", "chestnut43"); break; @@ -308,11 +315,13 @@ int misc_init_r(void) printf("Recognized Pinto expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); break; case GUMSTIX_GALLOP43: printf("Recognized Gallop43 expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); setenv("defaultdisplay", "lcd43"); setenv("expansionname", "gallop43"); break; @@ -320,6 +329,7 @@ int misc_init_r(void) printf("Recognized Alto35 expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); MUX_ALTO35(); setenv("defaultdisplay", "lcd35"); setenv("expansionname", "alto35"); @@ -328,21 +338,25 @@ int misc_init_r(void) printf("Recognized Stagecoach expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); break; case GUMSTIX_THUMBO: printf("Recognized Thumbo expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); break; case GUMSTIX_TURTLECORE: printf("Recognized Turtlecore expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); break; case GUMSTIX_ARBOR43C: printf("Recognized Arbor43C expansion board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); MUX_ARBOR43C(); setenv("defaultdisplay", "lcd43"); break; @@ -350,16 +364,17 @@ int misc_init_r(void) printf("Recognized Ettus Research USRP-E (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); + MUX_GUMSTIX(); MUX_USRP_E(); setenv("defaultdisplay", "dvi"); break; case GUMSTIX_NO_EEPROM: - puts("No EEPROM on expansion board\n"); + case GUMSTIX_EMPTY_EEPROM: + puts("No or empty EEPROM on expansion board\n"); + MUX_GUMSTIX(); setenv("expansionname", "tobi"); break; default: - if (expansion_id == 0x0) - setenv("expansionname", "tobi"); printf("Unrecognized expansion board 0x%08x\n", expansion_id); break; } @@ -388,7 +403,18 @@ void set_muxconf_regs(void) MUX_OVERO(); } -#if defined(CONFIG_CMD_NET) +#if defined(CONFIG_CMD_NET) && !defined(CONFIG_SPL_BUILD) +/* GPMC definitions for LAN9221 chips on Tobi expansion boards */ +static const u32 gpmc_lan_config[] = { + NET_LAN9221_GPMC_CONFIG1, + NET_LAN9221_GPMC_CONFIG2, + NET_LAN9221_GPMC_CONFIG3, + NET_LAN9221_GPMC_CONFIG4, + NET_LAN9221_GPMC_CONFIG5, + NET_LAN9221_GPMC_CONFIG6, + /*CONFIG7- computed as params */ +}; + /* * Routine: setup_net_chip * Description: Setting up the configuration GPMC registers specific to the @@ -398,10 +424,6 @@ static void setup_net_chip(void) { struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE; - /* first lan chip */ - enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000, - GPMC_SIZE_16M); - /* Enable off mode for NWE in PADCONF_GPMC_NWE register */ writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe); /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */ @@ -409,7 +431,14 @@ static void setup_net_chip(void) /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */ writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00, &ctrl_base->gpmc_nadv_ale); +} +/* + * Routine: reset_net_chip + * Description: Reset the Ethernet hardware. + */ +static void reset_net_chip(void) +{ /* Make GPIO 64 as output pin and send a magic pulse through it */ if (!gpio_request(64, "")) { gpio_direction_output(64, 0); @@ -420,16 +449,42 @@ static void setup_net_chip(void) gpio_set_value(64, 1); } } -#endif int board_eth_init(bd_t *bis) { + unsigned int expansion_id; int rc = 0; + #ifdef CONFIG_SMC911X - rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); + expansion_id = get_expansion_id(); + switch (expansion_id) { + case GUMSTIX_TOBI_DUO: + /* second lan chip */ + enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4], + 0x2B000000, GPMC_SIZE_16M); + /* no break */ + case GUMSTIX_TOBI: + case GUMSTIX_CHESTNUT43: + case GUMSTIX_STAGECOACH: + case GUMSTIX_NO_EEPROM: + case GUMSTIX_EMPTY_EEPROM: + /* first lan chip */ + enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], + 0x2C000000, GPMC_SIZE_16M); + + setup_net_chip(); + reset_net_chip(); + + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); + break; + default: + break; + } #endif + return rc; } +#endif #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) int board_mmc_init(bd_t *bis) @@ -437,3 +492,32 @@ int board_mmc_init(bd_t *bis) return omap_mmc_init(0, 0, 0, -1, -1); } #endif + +#if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD) +static struct omap_usbhs_board_data usbhs_bdata = { + .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED +}; + +#define GUMSTIX_GPIO_USBH_CPEN 168 +int ehci_hcd_init(int index, enum usb_init_type init, + struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + /* Enable USB power */ + if (!gpio_request(GUMSTIX_GPIO_USBH_CPEN, "usbh_cpen")) + gpio_direction_output(GUMSTIX_GPIO_USBH_CPEN, 1); + + return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); +} + +int ehci_hcd_stop(void) +{ + /* Disable USB power */ + gpio_set_value(GUMSTIX_GPIO_USBH_CPEN, 0); + gpio_free(GUMSTIX_GPIO_USBH_CPEN); + + return omap_ehci_hcd_stop(); +} + +#endif /* CONFIG_USB_EHCI */ |
