board: gateworks: imx8mm: Add Gateworks Venice board support

Add initial support for Gateworks Venice product family based on the
i.MX 8M Mini SoC

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

1 files changed, 133 insertions, 0 deletions

diff --git a/board/gateworks/venice/imx8mm_venice.c b/board/gateworks/venice/imx8mm_venice.c
new file mode 100644
index 0000000000..1d51b6ea9b
--- /dev/null
+++ b/board/gateworks/venice/imx8mm_venice.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 Gateworks Corporation
+ */
+
+#include <common.h>
+#include <init.h>
+#include <led.h>
+#include <linux/delay.h>
+#include <miiphy.h>
+#include <netdev.h>
+
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+
+#include "gsc.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_phys_sdram_size(phys_size_t *size)
+{
+	int ddr_size = readl(M4_BOOTROM_BASE_ADDR);
+
+	if (ddr_size == 0x4) {
+		*size = 0x100000000;
+	} else if (ddr_size == 0x3) {
+		*size = 0xc0000000;
+	} else if (ddr_size == 0x2) {
+		*size = 0x80000000;
+	} else if (ddr_size == 0x1) {
+		*size = 0x40000000;
+	} else {
+		printf("Unknown DDR type!!!\n");
+		*size = 0x40000000;
+	}
+
+	return 0;
+}
+
+int board_fit_config_name_match(const char *name)
+{
+	int i  = 0;
+	const char *dtb;
+	char buf[32];
+
+	do {
+		dtb = gsc_get_dtb_name(i++, buf, sizeof(buf));
+		if (!strcmp(dtb, name))
+			return 0;
+	} while (dtb);
+
+	return -1;
+}
+
+#if (IS_ENABLED(CONFIG_FEC_MXC))
+static int setup_fec(void)
+{
+	struct iomuxc_gpr_base_regs *gpr =
+		(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
+
+	/* Use 125M anatop REF_CLK1 for ENET1, not from external */
+	clrsetbits_le32(&gpr->gpr[1], 0x2000, 0);
+
+	return 0;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+	unsigned short val;
+
+	switch (phydev->phy_id) {
+	case 0x2000a231: /* TI DP83867 GbE PHY */
+		puts("DP83867 ");
+		/* LED configuration */
+		val = 0;
+		val |= 0x5 << 4; /* LED1(Amber;Speed)   : 1000BT link */
+		val |= 0xb << 8; /* LED2(Green;Link/Act): blink for TX/RX act */
+		phy_write(phydev, MDIO_DEVAD_NONE, 24, val);
+		break;
+	}
+
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+
+	return 0;
+}
+#endif // IS_ENABLED(CONFIG_FEC_MXC)
+
+int board_init(void)
+{
+	gsc_init(1);
+
+	if (IS_ENABLED(CONFIG_FEC_MXC))
+		setup_fec();
+
+	gsc_hwmon();
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+	const char *ethmac;
+	char env[32];
+	int ret, i;
+	u8 enetaddr[6];
+
+	led_default_state();
+
+	/* Set mac addrs */
+	i = 0;
+	do {
+		if (i)
+			sprintf(env, "eth%daddr", i);
+		else
+			sprintf(env, "ethaddr");
+		ethmac = env_get(env);
+		if (!ethmac) {
+			ret = gsc_getmac(i, enetaddr);
+			if (!ret)
+				eth_env_set_enetaddr(env, enetaddr);
+		}
+		i++;
+	} while (!ret);
+
+	return 0;
+}
+
+int board_mmc_get_env_dev(int devno)
+{
+	return devno;
+}