summaryrefslogtreecommitdiff
path: root/board/seeed/npi_imx6ull/npi_imx6ull.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/seeed/npi_imx6ull/npi_imx6ull.c')
-rw-r--r--board/seeed/npi_imx6ull/npi_imx6ull.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/board/seeed/npi_imx6ull/npi_imx6ull.c b/board/seeed/npi_imx6ull/npi_imx6ull.c
new file mode 100644
index 0000000000..eb9ee555c8
--- /dev/null
+++ b/board/seeed/npi_imx6ull/npi_imx6ull.c
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2021 Linumiz
+ * Author: Navin Sankar Velliangiri <navin@linumiz.com>
+ */
+
+#include <init.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <fsl_esdhc_imx.h>
+#include <linux/bitops.h>
+#include <miiphy.h>
+#include <net.h>
+#include <netdev.h>
+#include <usb.h>
+#include <usb/ehci-ci.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+ gd->ram_size = imx_ddr_size();
+
+ return 0;
+}
+
+#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
+ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | \
+ PAD_CTL_HYS)
+
+static iomux_v3_cfg_t const uart1_pads[] = {
+ MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+ MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+ imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+}
+
+int board_early_init_f(void)
+{
+ setup_iomux_uart();
+
+ return 0;
+}
+
+#ifdef CONFIG_FEC_MXC
+
+static int setup_fec(int fec_id)
+{
+ struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+ int ret;
+
+ if (fec_id == 0) {
+ /*
+ * Use 50MHz anatop loopback REF_CLK1 for ENET1,
+ * clear gpr1[13], set gpr1[17].
+ */
+ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
+ IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
+ } else {
+ /*
+ * Use 50MHz anatop loopbak REF_CLK2 for ENET2,
+ * clear gpr1[14], set gpr1[18].
+ */
+ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
+ IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
+ }
+
+ ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
+ if (ret)
+ return ret;
+
+ enable_enet_clk(1);
+
+ return 0;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
+
+ if (phydev->drv->config)
+ phydev->drv->config(phydev);
+
+ return 0;
+}
+#endif
+
+int board_init(void)
+{
+ /* Address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+#ifdef CONFIG_FEC_MXC
+ setup_fec(CONFIG_FEC_ENET_DEV);
+#endif
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ printf("Board: Seeed NPi i.MX6ULL Dev Board\n");
+
+ return 0;
+}