From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 .../board/Marvell/db-88f6820-gp/db-88f6820-gp.c    | 160 +++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 roms/u-boot/board/Marvell/db-88f6820-gp/db-88f6820-gp.c

(limited to 'roms/u-boot/board/Marvell/db-88f6820-gp/db-88f6820-gp.c')

diff --git a/roms/u-boot/board/Marvell/db-88f6820-gp/db-88f6820-gp.c b/roms/u-boot/board/Marvell/db-88f6820-gp/db-88f6820-gp.c
new file mode 100644
index 000000000..1edc1cb65
--- /dev/null
+++ b/roms/u-boot/board/Marvell/db-88f6820-gp/db-88f6820-gp.c
@@ -0,0 +1,160 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015 Stefan Roese <sr@denx.de>
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <init.h>
+#include <miiphy.h>
+#include <net.h>
+#include <netdev.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <linux/bitops.h>
+
+#include "../drivers/ddr/marvell/a38x/ddr3_init.h"
+#include <../serdes/a38x/high_speed_env_spec.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Those values and defines are taken from the Marvell U-Boot version
+ * "u-boot-2013.01-2014_T3.0"
+ */
+#define DB_GP_88F68XX_GPP_OUT_ENA_LOW					\
+	(~(BIT(1)  | BIT(4)  | BIT(6)  | BIT(7)  | BIT(8)  | BIT(9)  |	\
+	   BIT(10) | BIT(11) | BIT(19) | BIT(22) | BIT(23) | BIT(25) |	\
+	   BIT(26) | BIT(27) | BIT(29) | BIT(30) | BIT(31)))
+#define DB_GP_88F68XX_GPP_OUT_ENA_MID					\
+	(~(BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(15) |	\
+	   BIT(16) | BIT(17) | BIT(18)))
+
+#define DB_GP_88F68XX_GPP_OUT_VAL_LOW	0x0
+#define DB_GP_88F68XX_GPP_OUT_VAL_MID	0x0
+#define DB_GP_88F68XX_GPP_POL_LOW	0x0
+#define DB_GP_88F68XX_GPP_POL_MID	0x0
+
+/* IO expander on Marvell GP board includes e.g. fan enabling */
+struct marvell_io_exp {
+	u8 chip;
+	u8 addr;
+	u8 val;
+};
+
+static struct marvell_io_exp io_exp[] = {
+	{ 0x20, 6, 0x20 }, /* Configuration registers: Bit on --> Input bits */
+	{ 0x20, 7, 0xC3 }, /* Configuration registers: Bit on --> Input bits */
+	{ 0x20, 2, 0x1D }, /* Output Data, register#0 */
+	{ 0x20, 3, 0x18 }, /* Output Data, register#1 */
+	{ 0x21, 6, 0xC3 }, /* Configuration registers: Bit on --> Input bits  */
+	{ 0x21, 7, 0x31 }, /* Configuration registers: Bit on --> Input bits  */
+	{ 0x21, 2, 0x08 }, /* Output Data, register#0 */
+	{ 0x21, 3, 0xC0 }  /* Output Data, register#1 */
+};
+
+static struct serdes_map board_serdes_map[] = {
+	{PEX0, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
+	{SATA0, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
+	{SATA1, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
+	{SATA3, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
+	{SATA2, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
+	{USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0}
+};
+
+int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
+{
+	*serdes_map_array = board_serdes_map;
+	*count = ARRAY_SIZE(board_serdes_map);
+	return 0;
+}
+
+/*
+ * Define the DDR layout / topology here in the board file. This will
+ * be used by the DDR3 init code in the SPL U-Boot version to configure
+ * the DDR3 controller.
+ */
+static struct mv_ddr_topology_map board_topology_map = {
+	DEBUG_LEVEL_ERROR,
+	0x1, /* active interfaces */
+	/* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
+	{ { { {0x1, 0, 0, 0},
+	      {0x1, 0, 0, 0},
+	      {0x1, 0, 0, 0},
+	      {0x1, 0, 0, 0},
+	      {0x1, 0, 0, 0} },
+	    SPEED_BIN_DDR_1866L,	/* speed_bin */
+	    MV_DDR_DEV_WIDTH_8BIT,	/* memory_width */
+	    MV_DDR_DIE_CAP_4GBIT,	/* mem_size */
+	    MV_DDR_FREQ_800,		/* frequency */
+	    0, 0,			/* cas_wl cas_l */
+	    MV_DDR_TEMP_LOW,		/* temperature */
+	    MV_DDR_TIM_DEFAULT} },	/* timing */
+	BUS_MASK_32BIT,			/* Busses mask */
+	MV_DDR_CFG_DEFAULT,		/* ddr configuration data source */
+	NOT_COMBINED,			/* ddr twin-die combined */
+	{ {0} },			/* raw spd data */
+	{0}				/* timing parameters */
+};
+
+struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
+{
+	/* Return the board topology as defined in the board code */
+	return &board_topology_map;
+}
+
+int board_early_init_f(void)
+{
+	/* Configure MPP */
+	writel(0x11111111, MVEBU_MPP_BASE + 0x00);
+	writel(0x11111111, MVEBU_MPP_BASE + 0x04);
+	writel(0x11244011, MVEBU_MPP_BASE + 0x08);
+	writel(0x22222111, MVEBU_MPP_BASE + 0x0c);
+	writel(0x22200002, MVEBU_MPP_BASE + 0x10);
+	writel(0x30042022, MVEBU_MPP_BASE + 0x14);
+	writel(0x55550555, MVEBU_MPP_BASE + 0x18);
+	writel(0x00005550, MVEBU_MPP_BASE + 0x1c);
+
+	/* Set GPP Out value */
+	writel(DB_GP_88F68XX_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
+	writel(DB_GP_88F68XX_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
+
+	/* Set GPP Polarity */
+	writel(DB_GP_88F68XX_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
+	writel(DB_GP_88F68XX_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
+
+	/* Set GPP Out Enable */
+	writel(DB_GP_88F68XX_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
+	writel(DB_GP_88F68XX_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
+
+	return 0;
+}
+
+int board_init(void)
+{
+	int i;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+	/* Init I2C IO expanders */
+	for (i = 0; i < ARRAY_SIZE(io_exp); i++)
+		i2c_write(io_exp[i].chip, io_exp[i].addr, 1, &io_exp[i].val, 1);
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: Marvell DB-88F6820-GP\n");
+
+	return 0;
+}
+
+int board_eth_init(struct bd_info *bis)
+{
+	cpu_eth_init(bis); /* Built in controller(s) come first */
+	return pci_eth_init(bis);
+}
-- 
cgit