From dd580801aadb13f8ef5dcc5e56691ef5cd92a5a7 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Wed, 22 Oct 2014 12:13:18 +0200 Subject: 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 Tested-by: Luka Perkov --- board/Marvell/db-mv784mp-gp/db-mv784mp-gp.c | 120 ++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 board/Marvell/db-mv784mp-gp/db-mv784mp-gp.c (limited to 'board/Marvell/db-mv784mp-gp/db-mv784mp-gp.c') 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 0000000..b3dae89 --- /dev/null +++ b/board/Marvell/db-mv784mp-gp/db-mv784mp-gp.c @@ -0,0 +1,120 @@ +/* + * Copyright (C) 2014 Stefan Roese + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include + +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 |= 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 &= ~(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 */ -- cgit v1.1