Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / freescale / mx28evk / mx28evk.c

diff --git a/qemu/roms/u-boot/board/freescale/mx28evk/mx28evk.c b/qemu/roms/u-boot/board/freescale/mx28evk/mx28evk.c
new file mode 100644 (file)
index 0000000..5005fe2
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/mx28evk/mx28evk.c
@@ -0,0 +1,148 @@
+/*
+ * Freescale MX28EVK board
+ *
+ * (C) Copyright 2011 Freescale Semiconductor, Inc.
+ *
+ * Author: Fabio Estevam <fabio.estevam@freescale.com>
+ *
+ * Based on m28evk.c:
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * 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);
+
+       /* SSP0 clock at 96MHz */
+       mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
+       /* SSP2 clock at 160MHz */
+       mxs_set_sspclk(MXC_SSPCLK2, 160000, 0);
+
+#ifdef CONFIG_CMD_USB
+       mxs_iomux_setup_pad(MX28_PAD_SSP2_SS1__USB1_OVERCURRENT);
+       mxs_iomux_setup_pad(MX28_PAD_AUART2_RX__GPIO_3_8 |
+                       MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL);
+       gpio_direction_output(MX28_PAD_AUART2_RX__GPIO_3_8, 1);
+#endif
+
+       /* Power on LCD */
+       gpio_direction_output(MX28_PAD_LCD_RESET__GPIO_3_30, 1);
+
+       /* Set contrast to maximum */
+       gpio_direction_output(MX28_PAD_PWM2__GPIO_3_18, 1);
+
+       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_MMC
+static int mx28evk_mmc_wp(int id)
+{
+       if (id != 0) {
+               printf("MXS MMC: Invalid card selected (card id = %d)\n", id);
+               return 1;
+       }
+
+       return gpio_get_value(MX28_PAD_SSP1_SCK__GPIO_2_12);
+}
+
+int board_mmc_init(bd_t *bis)
+{
+       /* Configure WP as input */
+       gpio_direction_input(MX28_PAD_SSP1_SCK__GPIO_2_12);
+
+       /* Configure MMC0 Power Enable */
+       gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0);
+
+       return mxsmmc_initialize(bis, 0, mx28evk_mmc_wp, NULL);
+}
+#endif
+
+#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);
+       if (ret)
+               return ret;
+
+       /* MX28EVK 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);
+
+       /* Power-on FECs */
+       gpio_direction_output(MX28_PAD_SSP1_DATA3__GPIO_2_15, 0);
+
+       /* 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;
+       }
+
+       ret = fecmxc_initialize_multi(bis, 1, 3, MXS_ENET1_BASE);
+       if (ret) {
+               puts("FEC MXS: Unable to init FEC1\n");
+               return ret;
+       }
+
+       dev = eth_get_dev_by_name("FEC0");
+       if (!dev) {
+               puts("FEC MXS: Unable to get FEC0 device entry\n");
+               return -EINVAL;
+       }
+
+       dev = eth_get_dev_by_name("FEC1");
+       if (!dev) {
+               puts("FEC MXS: Unable to get FEC1 device entry\n");
+               return -EINVAL;
+       }
+
+       return ret;
+}
+
+#endif