arm: mvebu: add DB-88F6820-AMC board
This board is a plug in card for Marvell's switch system development
kits. Form-factor aside it is similar to the DB-88F6820-GP with the
following differences.
- TCLK is 200MHz
- SPI1 is used
- No SATA
- No MMC
- NAND flash
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/Marvell/db-88f6820-amc/db-88f6820-amc.c b/board/Marvell/db-88f6820-amc/db-88f6820-amc.c
new file mode 100644
index 0000000..cade99c
--- /dev/null
+++ b/board/Marvell/db-88f6820-amc/db-88f6820-amc.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2015 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+#include "../drivers/ddr/marvell/a38x/ddr3_a38x_topology.h"
+#include <../serdes/a38x/high_speed_env_spec.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#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-2013.01-2016_T1.0.eng_drop_v10"
+ */
+#define DB_AMC_88F68XX_GPP_OUT_ENA_LOW \
+ (~(BIT(29)))
+#define DB_AMC_88F68XX_GPP_OUT_ENA_MID \
+ (~(BIT(12) | BIT(17) | BIT(18) | BIT(20) | BIT(21)))
+#define DB_AMC_88F68XX_GPP_OUT_VAL_LOW (BIT(29))
+#define DB_AMC_88F68XX_GPP_OUT_VAL_MID 0x0
+#define DB_AMC_88F68XX_GPP_OUT_VAL_HIGH 0x0
+#define DB_AMC_88F68XX_GPP_POL_LOW 0x0
+#define DB_AMC_88F68XX_GPP_POL_MID 0x0
+
+static struct serdes_map board_serdes_map[] = {
+ {PEX0, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
+ {DEFAULT_SERDES, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
+ {DEFAULT_SERDES, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
+ {DEFAULT_SERDES, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
+ {SGMII1, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
+ {SGMII2, SERDES_SPEED_1_25_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 hws_topology_map board_topology_map = {
+ 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 */
+ BUS_WIDTH_8, /* memory_width */
+ MEM_4G, /* mem_size */
+ DDR_FREQ_800, /* frequency */
+ 0, 0, /* cas_l cas_wl */
+ HWS_TEMP_LOW} }, /* temperature */
+ 5, /* Num Of Bus Per Interface*/
+ BUS_MASK_32BIT /* Busses mask */
+};
+
+struct hws_topology_map *ddr3_get_topology_map(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(0x55066011, MVEBU_MPP_BASE + 0x08);
+ writel(0x05055550, MVEBU_MPP_BASE + 0x0c);
+ writel(0x05055555, MVEBU_MPP_BASE + 0x10);
+ writel(0x01106565, MVEBU_MPP_BASE + 0x14);
+ writel(0x40000000, MVEBU_MPP_BASE + 0x18);
+ writel(0x00004444, MVEBU_MPP_BASE + 0x1c);
+
+ /* Set GPP Out value */
+ writel(DB_AMC_88F68XX_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
+ writel(DB_AMC_88F68XX_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
+
+ /* Set GPP Polarity */
+ writel(DB_AMC_88F68XX_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
+ writel(DB_AMC_88F68XX_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
+
+ /* Set GPP Out Enable */
+ writel(DB_AMC_88F68XX_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
+ writel(DB_AMC_88F68XX_GPP_OUT_ENA_MID, MVEBU_GPIO1_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-88F6820-AMC\n");
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ cpu_eth_init(bis); /* Built in controller(s) come first */
+ return pci_eth_init(bis);
+}