board: Add support for Armada80x0 DB with 32bit DDR

Add support for Marvell Armada80x0 DB with 32bit DDR bus width.
There is no difference besides the DDR bus width, between normal
A80x0 DB and the new A80x0 DB.

Change-Id: Ib1fd4041e2e05b333c285bde95b1b5167196c715
Signed-off-by: jinghua <jinghua@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/57266
Reviewed-by: Kostya Porotchkin <kostap@marvell.com>
Tested-by: Kostya Porotchkin <kostap@marvell.com>

4 files changed, 353 insertions, 0 deletions

diff --git a/plat/marvell/a8k/a80x0_32bit_ddr/board/dram_port.c b/plat/marvell/a8k/a80x0_32bit_ddr/board/dram_port.c
new file mode 100644
index 00000000..7b9e4ab5
--- /dev/null
+++ b/plat/marvell/a8k/a80x0_32bit_ddr/board/dram_port.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2016 - 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+#include <arch_helpers.h>
+#include <a8k_i2c.h>
+#include <debug.h>
+#include <mmio.h>
+#include <mv_ddr_if.h>
+#include <plat_def.h>
+#include <plat_marvell.h>
+
+#define MVEBU_AP_MPP_CTRL0_7_REG		MVEBU_AP_MPP_REGS(0)
+#define MVEBU_AP_MPP_CTRL4_OFFS			16
+#define MVEBU_AP_MPP_CTRL5_OFFS			20
+#define MVEBU_AP_MPP_CTRL4_I2C0_SDA_ENA		0x3
+#define MVEBU_AP_MPP_CTRL5_I2C0_SCK_ENA		0x3
+
+#define MVEBU_CP_MPP_CTRL37_OFFS		20
+#define MVEBU_CP_MPP_CTRL38_OFFS		24
+#define MVEBU_CP_MPP_CTRL37_I2C0_SCK_ENA	0x2
+#define MVEBU_CP_MPP_CTRL38_I2C0_SDA_ENA	0x2
+
+#define MVEBU_MPP_CTRL_MASK			0xf
+
+/*
+ * This struct provides the DRAM training code with
+ * the appropriate board DRAM configuration
+ */
+static struct mv_ddr_topology_map board_topology_map = {
+	/* MISL board with 1CS 8Gb x4 devices of Micron 2400T */
+	DEBUG_LEVEL_ERROR,
+	0x1, /* active interfaces */
+	/* cs_mask, mirror, dqs_swap, ck_swap X subphys */
+	{ { { {0x1, 0x0, 0, 0},	/* FIXME: change the cs mask for all 64 bit */
+	      {0x1, 0x0, 0, 0},
+	      {0x1, 0x0, 0, 0},
+	      {0x1, 0x0, 0, 0},
+	      {0x1, 0x0, 0, 0},
+	      {0x1, 0x0, 0, 0},
+	      {0x1, 0x0, 0, 0},
+	      {0x1, 0x0, 0, 0},
+	      {0x1, 0x0, 0, 0} },
+	   /* TODO: double check if the speed bin is 2400T */
+	   SPEED_BIN_DDR_2400T,		/* speed_bin */
+	   MV_DDR_DEV_WIDTH_8BIT,	/* sdram device width */
+	   MV_DDR_DIE_CAP_8GBIT,	/* die capacity */
+	   MV_DDR_FREQ_SAR,		/* frequency */
+	   0, 0,			/* cas_l, cas_wl */
+	   MV_DDR_TEMP_LOW} },		/* temperature */
+	MV_DDR_32BIT_ECC_PUP8_BUS_MASK, /* subphys mask */
+	MV_DDR_CFG_DEFAULT,		/* ddr configuration data source */
+	{ {0} },			/* raw spd data */
+	{0},				/* timing parameters */
+	{					/* electrical configuration */
+		{				/* memory electrical configuration */
+			MV_DDR_RTT_NOM_PARK_RZQ_DISABLE,	/* rtt_nom */
+			{
+				MV_DDR_RTT_NOM_PARK_RZQ_DIV4,	/* rtt_park 1cs */
+				MV_DDR_RTT_NOM_PARK_RZQ_DIV1	/* rtt_park 2cs */
+			},
+			{
+				MV_DDR_RTT_WR_DYN_ODT_OFF,	/* rtt_wr 1cs */
+				MV_DDR_RTT_WR_RZQ_DIV2		/* rtt_wr 2cs */
+			},
+			MV_DDR_DIC_RZQ_DIV7	/* dic */
+		},
+		{				/* phy electrical configuration */
+			MV_DDR_OHM_30,	/* data_drv_p */
+			MV_DDR_OHM_30,	/* data_drv_n */
+			MV_DDR_OHM_30,	/* ctrl_drv_p */
+			MV_DDR_OHM_30,	/* ctrl_drv_n */
+			{
+				MV_DDR_OHM_60,	/* odt_p 1cs */
+				MV_DDR_OHM_120	/* odt_p 2cs */
+			},
+			{
+				MV_DDR_OHM_60,	/* odt_n 1cs */
+				MV_DDR_OHM_120	/* odt_n 2cs */
+			},
+		},
+		{				/* mac electrical configuration */
+			MV_DDR_ODT_CFG_NORMAL,	/* odtcfg_pattern */
+			MV_DDR_ODT_CFG_ALWAYS_ON,	/* odtcfg_write */
+			MV_DDR_ODT_CFG_NORMAL,	/* odtcfg_read */
+		},
+	}
+};
+
+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;
+}
+
+static void mpp_config(void)
+{
+	uintptr_t reg;
+	uint32_t val;
+
+	reg = MVEBU_CP_MPP_REGS(0, 4);
+	/* configure CP0 MPP 37 and 38 to i2c */
+	val = mmio_read_32(reg);
+	val &= ~((MVEBU_MPP_CTRL_MASK << MVEBU_CP_MPP_CTRL37_OFFS) |
+		(MVEBU_MPP_CTRL_MASK << MVEBU_CP_MPP_CTRL38_OFFS));
+	val |= (MVEBU_CP_MPP_CTRL37_I2C0_SCK_ENA <<
+			MVEBU_CP_MPP_CTRL37_OFFS) |
+		(MVEBU_CP_MPP_CTRL38_I2C0_SDA_ENA <<
+			MVEBU_CP_MPP_CTRL38_OFFS);
+	mmio_write_32(reg, val);
+}
+
+/*
+ * This function may modify the default DRAM parameters
+ * based on information received from SPD or bootloader
+ * configuration located on non volatile storage
+ */
+void plat_dram_update_topology(void)
+{
+	struct mv_ddr_topology_map *tm = mv_ddr_topology_map_get();
+
+	INFO("Gathering DRAM information\n");
+
+	if (tm->cfg_src == MV_DDR_CFG_SPD) {
+		/* configure MPPs to enable i2c */
+		mpp_config();
+
+		/* initialize i2c */
+		i2c_init((void *)MVEBU_CP0_I2C_BASE);
+
+		/* select SPD memory page 0 to access DRAM configuration */
+		i2c_write(I2C_SPD_P0_ADDR, 0x0, 1, tm->spd_data.all_bytes, 1);
+
+		/* read data from spd */
+		i2c_read(I2C_SPD_ADDR, 0x0, 1, tm->spd_data.all_bytes,
+			 sizeof(tm->spd_data.all_bytes));
+	}
+}
diff --git a/plat/marvell/a8k/a80x0_32bit_ddr/board/marvell_plat_config.c b/plat/marvell/a8k/a80x0_32bit_ddr/board/marvell_plat_config.c
new file mode 100644
index 00000000..a154fb0f
--- /dev/null
+++ b/plat/marvell/a8k/a80x0_32bit_ddr/board/marvell_plat_config.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (C) 2016 - 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <plat_config.h>
+/*
+ * If bootrom is currently at BLE there's no need to include the memory
+ * maps structure at this point
+ */
+#include <plat_def.h>
+#ifndef IMAGE_BLE
+
+/*****************************************************************************
+ * AMB Configuration
+ *****************************************************************************
+ */
+struct addr_map_win amb_memory_map[] = {
+	/* CP1 SPI1 CS0 Direct Mode access */
+	{0xf900,	0x1000000,	AMB_SPI1_CS0_ID},
+};
+
+int marvell_get_amb_memory_map(struct addr_map_win **win, uint32_t *size, uintptr_t base)
+{
+	*win = amb_memory_map;
+	if (*win == NULL)
+		*size = 0;
+	else
+		*size = ARRAY_SIZE(amb_memory_map);
+
+	return 0;
+}
+#endif
+
+/*****************************************************************************
+ * IO WIN Configuration
+ *****************************************************************************
+ */
+struct addr_map_win io_win_memory_map[] = {
+	/* CP1 (MCI0) internal regs */
+	{0x00000000f4000000,		0x2000000,  MCI_0_TID},
+#ifndef IMAGE_BLE
+	/* PCIe0 and SPI1_CS0 (RUNIT) on CP1*/
+	{0x00000000f9000000,		0x2000000,  MCI_0_TID},
+	/* PCIe1 on CP1*/
+	{0x00000000fb000000,		0x1000000,  MCI_0_TID},
+	/* PCIe2 on CP1*/
+	{0x00000000fc000000,		0x1000000,  MCI_0_TID},
+	/* MCI 0 indirect window */
+	{MVEBU_MCI_REG_BASE_REMAP(0),	0x100000,  MCI_0_TID},
+	/* MCI 1 indirect window */
+	{MVEBU_MCI_REG_BASE_REMAP(1),	0x100000,  MCI_1_TID},
+#endif
+};
+
+uint32_t marvell_get_io_win_gcr_target(int ap_index)
+{
+	return PIDI_TID;
+}
+
+int marvell_get_io_win_memory_map(int ap_index, struct addr_map_win **win, uint32_t *size)
+{
+	*win = io_win_memory_map;
+	if (*win == NULL)
+		*size = 0;
+	else
+		*size = ARRAY_SIZE(io_win_memory_map);
+
+	return 0;
+}
+
+#ifndef IMAGE_BLE
+/*****************************************************************************
+ * IOB Configuration
+ *****************************************************************************
+ */
+struct addr_map_win iob_memory_map_cp0[] = {
+	/* CP0 */
+	/* PEX1_X1 window */
+	{0x00000000f7000000,	0x1000000,	PEX1_TID},
+	/* PEX2_X1 window */
+	{0x00000000f8000000,	0x1000000,	PEX2_TID},
+	/* PEX0_X4 window */
+	{0x00000000f6000000,	0x1000000,	PEX0_TID}
+};
+
+struct addr_map_win iob_memory_map_cp1[] = {
+	/* CP1 */
+	/* SPI1_CS0 (RUNIT) window */
+	{0x00000000f9000000,	0x1000000,	RUNIT_TID},
+	/* PEX1_X1 window */
+	{0x00000000fb000000,	0x1000000,	PEX1_TID},
+	/* PEX2_X1 window */
+	{0x00000000fc000000,	0x1000000,	PEX2_TID},
+	/* PEX0_X4 window */
+	{0x00000000fa000000,	0x1000000,	PEX0_TID}
+};
+
+int marvell_get_iob_memory_map(struct addr_map_win **win, uint32_t *size, uintptr_t base)
+{
+	switch (base) {
+	case MVEBU_CP_REGS_BASE(0):
+		*win = iob_memory_map_cp0;
+		*size = ARRAY_SIZE(iob_memory_map_cp0);
+		return 0;
+	case MVEBU_CP_REGS_BASE(1):
+		*win = iob_memory_map_cp1;
+		*size = ARRAY_SIZE(iob_memory_map_cp1);
+		return 0;
+	default:
+		*size = 0;
+		*win = 0;
+		return 1;
+	}
+}
+#endif
+
+/*****************************************************************************
+ * CCU Configuration
+ *****************************************************************************
+ */
+struct addr_map_win ccu_memory_map[] = {
+#ifdef IMAGE_BLE
+	{0x00000000f2000000,	0x4000000,  IO_0_TID}, /* IO window */
+#else
+	{0x00000000f2000000,	0xe000000,  IO_0_TID}, /* IO window */
+#endif
+};
+
+uint32_t marvell_get_ccu_gcr_target(int ap)
+{
+	return DRAM_0_TID;
+}
+
+int marvell_get_ccu_memory_map(int ap, struct addr_map_win **win, uint32_t *size)
+{
+	*win = ccu_memory_map;
+	*size = ARRAY_SIZE(ccu_memory_map);
+
+	return 0;
+}
+
+#ifndef IMAGE_BLE
+/*****************************************************************************
+ * SoC PM configuration
+ *****************************************************************************
+ */
+/* CP GPIO should be used and the GPIOs should be within same GPIO register */
+struct power_off_method pm_cfg = {
+	.type = PMIC_GPIO,
+	.cfg.gpio.pin_count = 1,
+	.cfg.gpio.info = {{0, 35} },
+	.cfg.gpio.step_count = 7,
+	.cfg.gpio.seq = {1, 0, 1, 0, 1, 0, 1},
+	.cfg.gpio.delay_ms = 10,
+};
+
+void *plat_get_pm_cfg(void)
+{
+	/* Return the PM configurations */
+	return &pm_cfg;
+}
+
+/* In reference to #ifndef IMAGE_BLE, this part is used for BLE only. */
+#else
+/*****************************************************************************
+ * SKIP IMAGE Configuration
+ *****************************************************************************
+ */
+#if PLAT_RECOVERY_IMAGE_ENABLE
+struct skip_image skip_im = {
+	.detection_method = GPIO,
+	.info.gpio.num = 33,
+	.info.gpio.button_state = HIGH,
+	.info.test.cp_ap = CP,
+	.info.test.cp_index = 0,
+};
+
+void *plat_get_skip_image_data(void)
+{
+	/* Return the skip_image configurations */
+	return &skip_im;
+}
+#endif
+#endif
diff --git a/plat/marvell/a8k/a80x0_32bit_ddr/plat_def.h b/plat/marvell/a8k/a80x0_32bit_ddr/plat_def.h
new file mode 100644
index 00000000..7686aa20
--- /dev/null
+++ b/plat/marvell/a8k/a80x0_32bit_ddr/plat_def.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2016 - 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef __MVEBU_DEF_H__
+#define __MVEBU_DEF_H__
+
+#include <a8k_plat_def.h>
+
+#define CP_COUNT		2	/* A80x0 has both CP0 & CP1 */
+#define I2C_SPD_ADDR		0x53	/* Access SPD data */
+#define I2C_SPD_P0_ADDR		0x36	/* Select SPD data page 0 */
+
+#endif /* __MVEBU_DEF_H__ */
diff --git a/plat/marvell/a8k/a80x0_32bit_ddr/platform.mk b/plat/marvell/a8k/a80x0_32bit_ddr/platform.mk
new file mode 100644
index 00000000..4e90dbcc
--- /dev/null
+++ b/plat/marvell/a8k/a80x0_32bit_ddr/platform.mk
@@ -0,0 +1,9 @@
+#
+# Copyright (C) 2016 - 2018 Marvell International Ltd.
+#
+# SPDX-License-Identifier:     BSD-3-Clause
+# https://spdx.org/licenses
+
+include plat/marvell/a8k/common/a8k_common.mk
+
+include plat/marvell/common/marvell_common.mk