arm: armada-xp: Add basic support for the Marvell DB-MV784MP-GP board

This patch adds basic support for the Marvell DB-MV784MP-GP evaulation
board. This is the first board that uses the recently created
Armada XP 78460 SoC support.

Signed-off-by: Stefan Roese <sr@denx.de>
Tested-by: Luka Perkov <luka@openwrt.org>

1 files changed, 120 insertions, 0 deletions

diff --git a/board/Marvell/db-mv784mp-gp/db-mv784mp-gp.c b/board/Marvell/db-mv784mp-gp/db-mv784mp-gp.c
new file mode 100644
index 0000000000..b3dae8910d
--- /dev/null
+++ b/board/Marvell/db-mv784mp-gp/db-mv784mp-gp.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2014 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define BIT(nr)				(1UL << (nr))
+
+#define ETH_PHY_CTRL_REG		0
+#define ETH_PHY_CTRL_POWER_DOWN_BIT	11
+#define ETH_PHY_CTRL_POWER_DOWN_MASK	(1 << ETH_PHY_CTRL_POWER_DOWN_BIT)
+
+/*
+ * Those values and defines are taken from the Marvell U-Boot version
+ * "u-boot-2011.12-2014_T1.0" for the board rd78460gp aka
+ * "RD-AXP-GP rev 1.0".
+ *
+ * GPPs
+ * MPP#		NAME			IN/OUT
+ * ----------------------------------------------
+ * 21		SW_Reset_		OUT
+ * 25		Phy_Int#		IN
+ * 28		SDI_WP			IN
+ * 29		SDI_Status		IN
+ * 54-61	On GPP Connector	?
+ * 62		Switch Interrupt	IN
+ * 63-65	Reserved from SW Board	?
+ * 66		SW_BRD connected	IN
+ */
+#define RD_78460_GP_GPP_OUT_ENA_LOW	(~(BIT(21) | BIT(20)))
+#define RD_78460_GP_GPP_OUT_ENA_MID	(~(BIT(26) | BIT(27)))
+#define RD_78460_GP_GPP_OUT_ENA_HIGH	(~(0x0))
+
+#define RD_78460_GP_GPP_OUT_VAL_LOW	(BIT(21) | BIT(20))
+#define RD_78460_GP_GPP_OUT_VAL_MID	(BIT(26) | BIT(27))
+#define RD_78460_GP_GPP_OUT_VAL_HIGH	0x0
+
+int board_early_init_f(void)
+{
+	/* Configure MPP */
+	writel(0x00000000, MVEBU_MPP_BASE + 0x00);
+	writel(0x00000000, MVEBU_MPP_BASE + 0x04);
+	writel(0x33000000, MVEBU_MPP_BASE + 0x08);
+	writel(0x11000000, MVEBU_MPP_BASE + 0x0c);
+	writel(0x11111111, MVEBU_MPP_BASE + 0x10);
+	writel(0x00221100, MVEBU_MPP_BASE + 0x14);
+	writel(0x00000003, MVEBU_MPP_BASE + 0x18);
+	writel(0x00000000, MVEBU_MPP_BASE + 0x1c);
+	writel(0x00000000, MVEBU_MPP_BASE + 0x20);
+
+	/* Configure GPIO */
+	writel(RD_78460_GP_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
+	writel(RD_78460_GP_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
+	writel(RD_78460_GP_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
+	writel(RD_78460_GP_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
+	writel(RD_78460_GP_GPP_OUT_VAL_HIGH, MVEBU_GPIO2_BASE + 0x00);
+	writel(RD_78460_GP_GPP_OUT_ENA_HIGH, MVEBU_GPIO2_BASE + 0x04);
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: Marvell DB-MV784MP-GP\n");
+
+	return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+/* Configure and enable MV88E1545 PHY */
+void reset_phy(void)
+{
+	u16 devadr = CONFIG_PHY_BASE_ADDR;
+	char *name = "neta0";
+	u16 reg;
+
+	if (miiphy_set_current_dev(name))
+		return;
+
+	/* Enable QSGMII AN */
+	/* Set page to 4 */
+	miiphy_write(name, devadr, 0x16, 4);
+	/* Enable AN */
+	miiphy_write(name, devadr, 0x0, 0x1140);
+	/* Set page to 0 */
+	miiphy_write(name, devadr, 0x16, 0);
+
+	/* Phy C_ANEG */
+	miiphy_read(name, devadr, 0x4, &reg);
+	reg |= 0x1E0;
+	miiphy_write(name, devadr, 0x4, reg);
+
+	/* Soft-Reset */
+	miiphy_write(name, devadr, 22, 0x0000);
+	miiphy_write(name, devadr, 0, 0x9140);
+
+	/* Power up the phy */
+	miiphy_read(name, devadr, ETH_PHY_CTRL_REG, &reg);
+	reg &= ~(ETH_PHY_CTRL_POWER_DOWN_MASK);
+	miiphy_write(name, devadr, ETH_PHY_CTRL_REG, reg);
+
+	printf("88E1545 Initialized on %s\n", name);
+}
+#endif /* CONFIG_RESET_PHY_R */