diff options
Diffstat (limited to 'board/karo/tk71/tk71.c')
| -rw-r--r-- | board/karo/tk71/tk71.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/board/karo/tk71/tk71.c b/board/karo/tk71/tk71.c new file mode 100644 index 0000000000..96410d77d6 --- /dev/null +++ b/board/karo/tk71/tk71.c @@ -0,0 +1,166 @@ +/* + * Copyright (C) 2012 Marek Vasut <marex@denx.de> + * on behalf of DENX Software Engineering GmbH + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <common.h> +#include <miiphy.h> +#include <asm/arch/cpu.h> +#include <asm/arch/kirkwood.h> +#include <asm/arch/mpp.h> +#include <asm/io.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define TK71_OE_LOW (~0) +#define TK71_OE_HIGH (~0) +#define TK71_OE_VAL_LOW (0) +#define TK71_OE_VAL_HIGH (0) + +int board_early_init_f(void) +{ + /* + * default gpio configuration + * There are maximum 64 gpios controlled through 2 sets of registers + * the below configuration configures mainly initial LED status + */ + kw_config_gpio(TK71_OE_VAL_LOW, + TK71_OE_VAL_HIGH, + TK71_OE_LOW, TK71_OE_HIGH); + + /* Multi-Purpose Pins Functionality configuration */ + u32 kwmpp_config[] = { + MPP0_NF_IO2, + MPP1_NF_IO3, + MPP2_NF_IO4, + MPP3_NF_IO5, + MPP4_NF_IO6, + MPP5_NF_IO7, + MPP6_SYSRST_OUTn, + MPP7_GPO, + MPP8_TW_SDA, + MPP9_TW_SCK, + MPP10_UART0_TXD, + MPP11_UART0_RXD, + MPP12_SD_CLK, + MPP13_SD_CMD, + MPP14_SD_D0, + MPP15_SD_D1, + MPP16_SD_D2, + MPP17_SD_D3, + MPP18_NF_IO0, + MPP19_NF_IO1, + MPP20_GE1_0, + MPP21_GE1_1, + MPP22_GE1_2, + MPP23_GE1_3, + MPP24_GE1_4, + MPP25_GE1_5, + MPP26_GE1_6, + MPP27_GE1_7, + MPP28_GPIO, + MPP29_GPIO, + MPP30_GE1_10, + MPP31_GE1_11, + MPP32_GE1_12, + MPP33_GE1_13, + MPP34_GPIO, + MPP35_GPIO, + MPP36_GPIO, + MPP37_GPIO, + MPP38_GPIO, + MPP39_GPIO, + MPP40_GPIO, + MPP41_GPIO, + MPP42_GPIO, + MPP43_GPIO, + MPP44_GPIO, + MPP45_GPIO, + MPP46_GPIO, + MPP47_GPIO, + MPP48_GPIO, + MPP49_GPIO, + 0 + }; + kirkwood_mpp_conf(kwmpp_config, NULL); + + return 0; +} + +int board_init(void) +{ + /* + * arch number of board + */ + gd->bd->bi_arch_number = CONFIG_MACH_TYPE; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; + + return 0; +} + +#ifdef CONFIG_CMD_NET + +#define MV88E1116_MAC_CTRL2_REG 21 +#define MV88E1116_PGADR_REG 22 +#define MV88E1116_RGMII_TXTM_CTRL (1 << 4) +#define MV88E1116_RGMII_RXTM_CTRL (1 << 5) + +static void mv_phy_88e1118_init(char *name) +{ + u16 reg; + u16 devadr; + + if (miiphy_set_current_dev(name)) + return; + + /* command to read PHY dev address */ + if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) { + printf("Err..%s could not read PHY dev address\n", + __func__); + return; + } + + /* + * Enable RGMII delay on Tx and Rx for CPU port + * Ref: sec 4.7.2 of chip datasheet + */ + miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2); + miiphy_read(name, devadr, MV88E1116_MAC_CTRL2_REG, ®); + reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL); + miiphy_write(name, devadr, MV88E1116_MAC_CTRL2_REG, reg); + miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0); + + /* reset the phy */ + miiphy_reset(name, devadr); + + printf("88E1118 Initialized on %s\n", name); +} + +/* Configure and enable Switch and PHY */ +void reset_phy(void) +{ + /* configure and initialize PHY */ + mv_phy_88e1118_init("egiga0"); + +} +#endif |
