This patch adds board-specific initialization for CPSW on TI AM335X based boards. Tested on BeagleBone.
CC: Tom Rini trini@ti.com Signed-off-by: Ilya Yanok ilya.yanok@cogentembedde.com --- board/ti/am335x/evm.c | 86 ++++++++++++++++++++++++++++++++++++++++++ include/configs/am335x_evm.h | 20 +++++++++- 2 files changed, 105 insertions(+), 1 deletion(-)
diff --git a/board/ti/am335x/evm.c b/board/ti/am335x/evm.c index e4aadcc..d8c007f 100644 --- a/board/ti/am335x/evm.c +++ b/board/ti/am335x/evm.c @@ -20,6 +20,8 @@ #include <asm/arch/common_def.h> #include <serial.h> #include <i2c.h> +#include <miiphy.h> +#include <cpsw.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -27,6 +29,12 @@ DECLARE_GLOBAL_DATA_PTR; #define UART_CLK_RUNNING_MASK 0x1 #define UART_SMART_IDLE_EN (0x1 << 0x3)
+/* MII mode defines */ +#define MII_MODE_ENABLE 0x0 +#define RGMII_MODE_ENABLE 0xA + +struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; + /* * I2C Address of on-board EEPROM */ @@ -110,3 +118,81 @@ int board_init(void)
return 0; } + +#ifdef CONFIG_DRIVER_TI_CPSW +static void cpsw_control(int enabled) +{ + /* VTP can be added here */ + + return; +} + +static struct cpsw_slave_data cpsw_slaves[] = { + { + .slave_reg_ofs = 0x208, + .sliver_reg_ofs = 0xd80, + .phy_id = 0, + }, + { + .slave_reg_ofs = 0x308, + .sliver_reg_ofs = 0xdc0, + .phy_id = 1, + }, +}; + +static struct cpsw_platform_data cpsw_data = { + .mdio_base = AM335X_CPSW_MDIO_BASE, + .cpsw_base = AM335X_CPSW_BASE, + .mdio_div = 0xff, + .channels = 8, + .cpdma_reg_ofs = 0x800, + .slaves = 1, + .slave_data = cpsw_slaves, + .ale_reg_ofs = 0xd00, + .ale_entries = 1024, + .host_port_reg_ofs = 0x108, + .hw_stats_reg_ofs = 0x900, + .mac_control = (1 << 5), + .control = cpsw_control, + .host_port_num = 0, + .version = CPSW_CTRL_VERSION_2, +}; + +int board_eth_init(bd_t *bis) +{ + uint8_t mac_addr[6]; + uint32_t mac_hi, mac_lo; + + if (!eth_getenv_enetaddr("ethaddr", mac_addr)) { + debug("<ethaddr> not set. Reading from E-fuse\n"); + /* try reading mac address from efuse */ + mac_lo = readl(&cdev->macid0l); + mac_hi = readl(&cdev->macid0h); + mac_addr[0] = mac_hi & 0xFF; + mac_addr[1] = (mac_hi & 0xFF00) >> 8; + mac_addr[2] = (mac_hi & 0xFF0000) >> 16; + mac_addr[3] = (mac_hi & 0xFF000000) >> 24; + mac_addr[4] = mac_lo & 0xFF; + mac_addr[5] = (mac_lo & 0xFF00) >> 8; + + if (is_valid_ether_addr(mac_addr)) + eth_setenv_enetaddr("ethaddr", mac_addr); + else + return -1; + } + + if (board_is_bone()) { + enable_mii1_pin_mux(); + writel(MII_MODE_ENABLE, &cdev->miisel); + cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = + PHY_INTERFACE_MODE_MII; + } else { + enable_rgmii1_pin_mux(); + writel(RGMII_MODE_ENABLE, &cdev->miisel); + cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = + PHY_INTERFACE_MODE_RGMII; + } + + return cpsw_register(&cpsw_data); +} +#endif diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h index d0fbc88..918cfe5 100644 --- a/include/configs/am335x_evm.h +++ b/include/configs/am335x_evm.h @@ -21,11 +21,13 @@ #undef CONFIG_GZIP #undef CONFIG_ZLIB #undef CONFIG_SYS_HUSH_PARSER -#undef CONFIG_CMD_NET
#include <asm/arch/cpu.h> #include <asm/arch/hardware.h>
+#define CONFIG_DMA_COHERENT +#define CONFIG_DMA_COHERENT_SIZE (1 << 20) + #define CONFIG_ENV_SIZE 0x400 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 * 1024)) #define CONFIG_SYS_PROMPT "U-Boot# " @@ -168,4 +170,20 @@ /* Unsupported features */ #undef CONFIG_USE_IRQ
+#define CONFIG_CMD_NET +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_PING +#define CONFIG_DRIVER_TI_CPSW +#define CONFIG_MII +#define CONFIG_BOOTP_DEFAULT +#define CONFIG_BOOTP_DNS +#define CONFIG_BOOTP_DNS2 +#define CONFIG_BOOTP_SEND_HOSTNAME +#define CONFIG_BOOTP_GATEWAY +#define CONFIG_BOOTP_SUBNETMASK +#define CONFIG_NET_RETRY_COUNT 10 +#define CONFIG_NET_MULTI +#define CONFIG_PHY_GIGE +#define CONFIG_PHYLIB + #endif /* ! __CONFIG_AM335X_EVM_H */