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omap3: cm-t3517: add Ethernet support 

Add both EMAC and SMC911x support.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Tom Rini <trini@ti.com>
This commit is contained in:
Igor Grinberg 2014-11-03 11:32:26 +02:00 committed by Tom Rini
parent 011f5c13f8
commit a8a78c7450
3 changed files with 119 additions and 0 deletions
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89
board/compulab/cm_t3517/cm_t3517.c
View File

@ -8,6 +8,8 @@
#include <common.h>
#include <status_led.h>
#include <net.h>
#include <netdev.h>
#include <usb.h>
#include <mmc.h>
#include <linux/compiler.h>
@ -23,6 +25,7 @@
#include <asm/ehci-omap.h>
#include "../common/common.h"
#include "../common/eeprom.h"
DECLARE_GLOBAL_DATA_PTR;
@ -113,6 +116,92 @@ int board_mmc_init(bd_t *bis)
}
#endif
#ifdef CONFIG_DRIVER_TI_EMAC
#define CONTROL_EFUSE_EMAC_LSB 0x48002380
#define CONTROL_EFUSE_EMAC_MSB 0x48002384
static int am3517_get_efuse_enetaddr(u8 *enetaddr)
{
u32 lsb = __raw_readl(CONTROL_EFUSE_EMAC_LSB);
u32 msb = __raw_readl(CONTROL_EFUSE_EMAC_MSB);
enetaddr[0] = (u8)((msb >> 16) & 0xff);
enetaddr[1] = (u8)((msb >> 8) & 0xff);
enetaddr[2] = (u8)(msb & 0xff);
enetaddr[3] = (u8)((lsb >> 16) & 0xff);
enetaddr[4] = (u8)((lsb >> 8) & 0xff);
enetaddr[5] = (u8)(lsb & 0xff);
return is_valid_ether_addr(enetaddr);
}
static inline int cm_t3517_init_emac(bd_t *bis)
{
int ret = cpu_eth_init(bis);
if (ret > 0)
return ret;
printf("Failed initializing EMAC! ");
return 0;
}
#else /* !CONFIG_DRIVER_TI_EMAC */
static inline int am3517_get_efuse_enetaddr(u8 *enetaddr) { return 1; }
static inline int cm_t3517_init_emac(bd_t *bis) { return 0; }
#endif /* CONFIG_DRIVER_TI_EMAC */
/*
* Routine: handle_mac_address
* Description: prepare MAC address for on-board Ethernet.
*/
static int cm_t3517_handle_mac_address(void)
{
unsigned char enetaddr[6];
int ret;
ret = eth_getenv_enetaddr("ethaddr", enetaddr);
if (ret)
return 0;
ret = cl_eeprom_read_mac_addr(enetaddr);
if (ret) {
ret = am3517_get_efuse_enetaddr(enetaddr);
if (ret)
return ret;
}
if (!is_valid_ether_addr(enetaddr))
return -1;
return eth_setenv_enetaddr("ethaddr", enetaddr);
}
#define SB_T35_ETH_RST_GPIO 164
/*
* Routine: board_eth_init
* Description: initialize module and base-board Ethernet chips
*/
int board_eth_init(bd_t *bis)
{
int rc = 0, rc1 = 0;
rc1 = cm_t3517_handle_mac_address();
if (rc1)
printf("No MAC address found! ");
rc1 = cm_t3517_init_emac(bis);
if (rc1 > 0)
rc++;
rc1 = cl_omap3_smc911x_init(0, 4, CONFIG_SMC911X_BASE,
NULL, SB_T35_ETH_RST_GPIO);
if (rc1 > 0)
rc++;
return rc;
}
#ifdef CONFIG_USB_EHCI_OMAP
static struct omap_usbhs_board_data cm_t3517_usbhs_bdata = {
.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,

19
board/compulab/cm_t3517/mux.c
View File

@ -83,6 +83,9 @@ void set_muxconf_regs(void)
MUX_VAL(CP(GPMC_D15), (IEN | PTU | EN | M0));
MUX_VAL(CP(GPMC_NCS0), (IDIS | PTU | EN | M0));
/* SB-T35 Ethernet */
MUX_VAL(CP(GPMC_NCS4), (IEN | PTU | EN | M0));
/* SB-T35 SD/MMC WP GPIO59 */
MUX_VAL(CP(GPMC_CLK), (IEN | PTU | EN | M4)); /*GPIO_59*/
MUX_VAL(CP(GPMC_NWE), (IDIS | PTD | DIS | M0));
@ -93,12 +96,16 @@ void set_muxconf_regs(void)
MUX_VAL(CP(GPMC_NBE1), (IDIS | PTU | EN | M4)); /*GPIO_61*/
MUX_VAL(CP(GPMC_NWP), (IEN | PTD | DIS | M0));
MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0));
/* SB-T35 Ethernet IRQ GPIO65 */
MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M4)); /*GPIO_65*/
/* UART3 Console */
MUX_VAL(CP(UART3_RX_IRRX), (IEN | PTD | DIS | M0));
MUX_VAL(CP(UART3_TX_IRTX), (IDIS | PTD | DIS | M0));
/* RTC V3020 nCS GPIO163 */
MUX_VAL(CP(UART3_CTS_RCTX), (IEN | PTU | EN | M4)); /*GPIO_163*/
/* SB-T35 Ethernet nRESET GPIO164 */
MUX_VAL(CP(UART3_RTS_SD), (IDIS | PTU | EN | M4)); /*GPIO_164*/
/* SB-T35 SD/MMC CD GPIO144 */
MUX_VAL(CP(UART2_CTS), (IEN | PTU | EN | M4)); /*GPIO_144*/
@ -128,6 +135,18 @@ void set_muxconf_regs(void)
/* CM-T3517 USB HUB Reset GPIO152 */
MUX_VAL(CP(MCBSP4_CLKX), (IDIS | PTD | DIS | M4)); /*GPIO_152*/
/* RMII */
MUX_VAL(CP(RMII_MDIO_DATA), (IEN | PTU | EN | M0));
MUX_VAL(CP(RMII_MDIO_CLK), (M0));
MUX_VAL(CP(RMII_RXD0), (IEN | PTD | DIS | M0));
MUX_VAL(CP(RMII_RXD1), (IEN | PTD | DIS | M0));
MUX_VAL(CP(RMII_CRS_DV), (IEN | PTD | DIS | M0));
MUX_VAL(CP(RMII_RXER), (IEN | PTD | DIS | M0));
MUX_VAL(CP(RMII_TXD0), (IDIS | M0));
MUX_VAL(CP(RMII_TXD1), (IDIS | M0));
MUX_VAL(CP(RMII_TXEN), (IDIS | M0));
MUX_VAL(CP(RMII_50MHZ_CLK), (IEN | PTU | DIS | M0));
/* Green LED GPIO186 */
MUX_VAL(CP(SYS_CLKOUT2), (IDIS | PTU | DIS | M4)); /*GPIO_186*/

11
include/configs/cm_t3517.h
View File

@ -132,6 +132,8 @@
#define CONFIG_CMD_I2C /* I2C serial bus support */
#define CONFIG_CMD_MMC /* MMC support */
#define CONFIG_CMD_NAND /* NAND support */
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_PING
#define CONFIG_CMD_GPIO
#undef CONFIG_CMD_FLASH /* flinfo, erase, protect */
@ -267,6 +269,15 @@
#define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET
#define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET
#if defined(CONFIG_CMD_NET)
#define CONFIG_DRIVER_TI_EMAC
#define CONFIG_DRIVER_TI_EMAC_USE_RMII
#define CONFIG_MII
#define CONFIG_SMC911X
#define CONFIG_SMC911X_32_BIT
#define CONFIG_SMC911X_BASE (0x2C000000 + (16 << 20))
#endif /* CONFIG_CMD_NET */
/* additions for new relocation code, must be added to all boards */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
#define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800