ARM: ts4600: add basic board support
This commit adds basic support including:
MMC, Serial console
Signed-off-by: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/board/technologic/ts4600/ts4600.c b/board/technologic/ts4600/ts4600.c
new file mode 100644
index 0000000..70dfead
--- /dev/null
+++ b/board/technologic/ts4600/ts4600.c
@@ -0,0 +1,89 @@
+/*
+ * (C) Copyright 2016 Savoir-faire Linux Inc.
+ *
+ * Author: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
+ *
+ * Based on work from TS7680 code by:
+ * Kris Bahnsen <kris@embeddedarm.com>
+ * Mark Featherston <mark@embeddedarm.com>
+ * https://github.com/embeddedarm/u-boot/tree/master/board/technologic/ts7680
+ *
+ * Derived from MX28EVK code by
+ * Freescale Semiconductor, Inc.
+ *
+ * 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;
+
+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 clocks at 96MHz */
+ mxs_set_sspclk(MXC_SSPCLK0, 96000, 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_MMC
+static int ts4600_mmc_cd(int id)
+{
+ return 1;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+ int ret;
+
+ mxs_iomux_setup_pad(MX28_PAD_PWM3__GPIO_3_28);
+
+ /* Power-on SD */
+ gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 1);
+ udelay(1000);
+ gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0);
+
+ /* SD card */
+ ret = mxsmmc_initialize(bis, 0, NULL, ts4600_mmc_cd);
+ if(ret != 0) {
+ printf("SD controller initialized with %d\n", ret);
+ }
+
+ return ret;
+}
+#endif
+
+int checkboard(void)
+{
+ puts("Board: TS4600\n");
+
+ return 0;
+}