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-rw-r--r--board/overo/overo.c137
1 files changed, 104 insertions, 33 deletions
diff --git a/board/overo/overo.c b/board/overo/overo.c
index 7506820..dfb8602 100644
--- a/board/overo/overo.c
+++ b/board/overo/overo.c
@@ -27,12 +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
@@ -58,22 +65,7 @@ static struct {
char fab_revision[8];
char env_var[16];
char env_setting[64];
-} expansion_config;
-
-#if defined(CONFIG_CMD_NET)
-static void setup_net_chip(void);
-#endif
-
-/* 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 */
-};
+} expansion_config = {0x0};
static const struct ns16550_platdata overo_serial = {
OMAP34XX_UART3,
@@ -226,6 +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 */
@@ -254,10 +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()) {
@@ -279,6 +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;
@@ -286,6 +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;
@@ -293,20 +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;
@@ -314,6 +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;
@@ -321,11 +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;
@@ -333,6 +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");
@@ -341,21 +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;
@@ -363,16 +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;
}
@@ -401,7 +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
@@ -411,10 +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 */
@@ -422,7 +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);
@@ -433,16 +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)
@@ -450,3 +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 */
generated by cgit v1.1 at 2024-11-30 01:40:57 +0000