diff options
Diffstat (limited to 'board/ppcag/bg0900/bg0900.c')
-rw-r--r-- | board/ppcag/bg0900/bg0900.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/board/ppcag/bg0900/bg0900.c b/board/ppcag/bg0900/bg0900.c new file mode 100644 index 0000000000..06612fa34d --- /dev/null +++ b/board/ppcag/bg0900/bg0900.c @@ -0,0 +1,86 @@ +/* + * PPC-AG BG0900 board + * + * Copyright (C) 2013 Marek Vasut <marex@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux-mx28.h> +#include <asm/arch/clock.h> +#include <asm/arch/sys_proto.h> +#include <linux/mii.h> +#include <miiphy.h> +#include <netdev.h> +#include <errno.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Functions + */ +int board_early_init_f(void) +{ + /* IO0 clock at 480MHz */ + mxs_set_ioclk(MXC_IOCLK0, 480000); + /* IO1 clock at 480MHz */ + mxs_set_ioclk(MXC_IOCLK1, 480000); + + /* SSP2 clock at 160MHz */ + mxs_set_sspclk(MXC_SSPCLK2, 160000, 0); + + return 0; +} + +int dram_init(void) +{ + return mxs_dram_init(); +} + +int board_init(void) +{ + /* Adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +#ifdef CONFIG_CMD_NET +int board_eth_init(bd_t *bis) +{ + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct eth_device *dev; + int ret; + + ret = cpu_eth_init(bis); + + /* BG0900 uses ENET_CLK PAD to drive FEC clock */ + writel(CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN, + &clkctrl_regs->hw_clkctrl_enet); + + /* Reset FEC PHYs */ + gpio_direction_output(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 0); + udelay(200); + gpio_set_value(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 1); + + ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE); + if (ret) { + puts("FEC MXS: Unable to init FEC0\n"); + return ret; + } + + dev = eth_get_dev_by_name("FEC0"); + if (!dev) { + puts("FEC MXS: Unable to get FEC0 device entry\n"); + return -EINVAL; + } + + return ret; +} + +#endif |