arm: kirkwood: Pogoplug-V4 : Add board implementation files

Add board header, defconfig, and implementation files for Pogoplug V4.

Signed-off-by: Tony Dinh <mibodhi@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>

4 files changed, 312 insertions, 0 deletions

diff --git a/board/cloudengines/pogo_v4/MAINTAINERS b/board/cloudengines/pogo_v4/MAINTAINERS
new file mode 100644
index 0000000000..35fd7858b7
--- /dev/null
+++ b/board/cloudengines/pogo_v4/MAINTAINERS
@@ -0,0 +1,6 @@
+POGO_V4 BOARD
+M:	Tony Dinh <mibodhi@gmail.com>
+S:	Maintained
+F:	board/cloudengines/pogo_v4/
+F:	include/configs/pogo_v4.h
+F:	configs/pogo_v4_defconfig
diff --git a/board/cloudengines/pogo_v4/Makefile b/board/cloudengines/pogo_v4/Makefile
new file mode 100644
index 0000000000..511bf5ff7e
--- /dev/null
+++ b/board/cloudengines/pogo_v4/Makefile
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2014-2021 Tony Dinh <mibodhi@gmail.com>
+#
+# Based on
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+#
+
+obj-y	:= pogo_v4.o
diff --git a/board/cloudengines/pogo_v4/kwbimage.cfg b/board/cloudengines/pogo_v4/kwbimage.cfg
new file mode 100644
index 0000000000..f6294fe313
--- /dev/null
+++ b/board/cloudengines/pogo_v4/kwbimage.cfg
@@ -0,0 +1,148 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2012
+# David Purdy <david.c.purdy@gmail.com>
+#
+# Based on Kirkwood support:
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Prafulla Wadaskar <prafulla <at> marvell.com>
+
+# Boot Media configurations   (DONE)
+BOOT_FROM	nand
+NAND_ECC_MODE	default
+NAND_PAGE_SIZE	0x0800
+
+# SOC registers configuration using bootrom header extension
+# Maximum KWBIMAGE_MAX_CONFIG configurations allowed
+
+# Configure RGMII-0 interface pad voltage to 1.8V (SHOULD BE SAME)
+DATA 0xffd100e0 0x1b1b1b9b
+
+#Dram initalization for SINGLE x16 CL=3 @ 200MHz   (need CL=3 @ 200MHz?)
+DATA 0xffd01400 0x43000618	# DDR Configuration register
+# bit13-0:  0x200 (200 DDR2 clks refresh rate)
+# bit23-14: zero
+# bit24: 1= enable exit self refresh mode on DDR access
+# bit25: 1 required
+# bit29-26: zero
+# bit31-30: 01
+
+DATA 0xffd01404 0x34143000	# DDR Controller Control Low
+# bit 4:    0=addr/cmd in smame cycle
+# bit 5:    0=clk is driven during self refresh, we don't care for APX
+# bit 6:    0=use recommended falling edge of clk for addr/cmd
+# bit14:    0=input buffer always powered up
+# bit18:    1=cpu lock transaction enabled
+# bit23-20: 3=recommended value for CL=3 and STARTBURST_DEL disabled bit31=0
+# bit27-24: 6= CL+3, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
+# bit30-28: 3 required
+# bit31:    0=no additional STARTBURST delay
+
+DATA 0xffd01408 0x11012227	# DDR Timing (Low) (active cycles value +1)
+# bit3-0:   TRAS lsbs
+# bit7-4:   TRCD
+# bit11- 8: TRP
+# bit15-12: TWR
+# bit19-16: TWTR
+# bit20:    TRAS msb
+# bit23-21: 0x0
+# bit27-24: TRRD
+# bit31-28: TRTP
+
+DATA 0xffd0140c 0x00000819	#  DDR Timing (High)
+# bit6-0:   TRFC
+# bit8-7:   TR2R
+# bit10-9:  TR2W
+# bit12-11: TW2W
+# bit31-13: zero required
+
+DATA 0xffd01410 0x00000001	#  DDR Address Control  (changed to Dockstar vals)
+# bit1-0:   00, Cs0width=x16
+# bit3-2:   10, Cs0size=512Mb
+# bit5-4:   00, Cs2width=nonexistent
+# bit7-6:   00, Cs1size =nonexistent
+# bit9-8:   00, Cs2width=nonexistent
+# bit11-10: 00, Cs2size =nonexistent
+# bit13-12: 00, Cs3width=nonexistent
+# bit15-14: 00, Cs3size =nonexistent
+# bit16:    0,  Cs0AddrSel
+# bit17:    0,  Cs1AddrSel
+# bit18:    0,  Cs2AddrSel
+# bit19:    0,  Cs3AddrSel
+# bit31-20: 0 required
+
+DATA 0xffd01414 0x00000000	#  DDR Open Pages Control
+# bit0:    0,  OpenPage enabled
+# bit31-1: 0 required
+
+DATA 0xffd01418 0x00000000	#  DDR Operation
+# bit3-0:   0x0, DDR cmd
+# bit31-4:  0 required
+
+DATA 0xffd0141c 0x00000632	#  DDR Mode
+# bit2-0:   2, BurstLen=2 required
+# bit3:     0, BurstType=0 required
+# bit6-4:   4, CL=5				(<===== change to CL=3 ?)
+# bit7:     0, TestMode=0 normal
+# bit8:     0, DLL reset=0 normal
+# bit11-9:  6, auto-precharge write recovery ????????????
+# bit12:    0, PD must be zero
+# bit31-13: 0 required
+
+DATA 0xffd01420 0x00000040	#  DDR Extended Mode
+# bit0:    0,  DDR DLL enabled
+# bit1:    0,  DDR drive strenght normal
+# bit2:    0,  DDR ODT control lsd (disabled)
+# bit5-3:  000, required
+# bit6:    1,  DDR ODT control msb, (disabled)
+# bit9-7:  000, required
+# bit10:   0,  differential DQS enabled
+# bit11:   0, required
+# bit12:   0, DDR output buffer enabled
+# bit31-13: 0 required
+
+DATA 0xffd01424 0x0000F07F	#  DDR Controller Control High
+# bit2-0:  111, required
+# bit3  :  1  , MBUS Burst Chop disabled
+# bit6-4:  111, required
+# bit7  :  0
+# bit8  :  0  , no sample stage
+# bit9  :  0  , no half clock cycle addition to dataout
+# bit10 :  0  , 1/4 clock cycle skew enabled for addr/ctl signals
+# bit11 :  0  , 1/4 clock cycle skew disabled for write mesh
+# bit15-12: 1111 required
+# bit31-16: 0    required
+
+DATA 0xffd01428 0x00085520	# DDR2 ODT Read Timing (default values)
+DATA 0xffd0147c 0x00008552	# DDR2 ODT Write Timing (default values)
+
+DATA 0xFFD01500 0x00000000	# CS[0]n Base address to 0x0
+DATA 0xFFD01504 0x07FFFFF1	# CS[0]n Size
+# bit0:    1,  Window enabled
+# bit1:    0,  Write Protect disabled
+# bit3-2:  00, CS0 hit selected
+# bit23-4: ones, required
+# bit31-24: 0x07, Size (i.e. 128MB)
+
+DATA 0xFFD0150C 0x00000000	# CS[1]n Size, window disabled
+DATA 0xFFD01514 0x00000000	# CS[2]n Size, window disabled
+DATA 0xFFD0151C 0x00000000	# CS[3]n Size, window disabled
+
+DATA 0xffd01494 0x00030000	#  DDR ODT Control (Low)		 (DONE)
+# bit3-0:  2, ODT0Rd, MODT[0] asserted during read from DRAM CS1
+# bit7-4:  1, ODT0Rd, MODT[0] asserted during read from DRAM CS0
+# bit19-16:2, ODT0Wr, MODT[0] asserted during write to DRAM CS1
+# bit23-20:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
+
+DATA 0xffd01498 0x00000000	#  DDR ODT Control (High)  (DONE)
+# bit1-0:  00, ODT0 controlled by ODT Control (low) register above
+# bit3-2:  01, ODT1 active NEVER!
+# bit31-4: zero, required
+
+DATA 0xffd0149c 0x0000e803	# CPU ODT Control	 (DONE)
+DATA 0xffd01480 0x00000001	# DDR Initialization Control	 (DONE)
+#bit0=1, enable DDR init upon this register write
+
+# End of Header extension
+DATA 0x0 0x0
diff --git a/board/cloudengines/pogo_v4/pogo_v4.c b/board/cloudengines/pogo_v4/pogo_v4.c
new file mode 100644
index 0000000000..61ce0d59c7
--- /dev/null
+++ b/board/cloudengines/pogo_v4/pogo_v4.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2014-2022 Tony Dinh <mibodhi@gmail.com>
+ *
+ * Based on
+ * Copyright (C) 2012 David Purdy <david.c.purdy@gmail.com>
+ *
+ * Based on Kirkwood support:
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <asm/arch/mpp.h>
+#include <asm/io.h>
+#include <asm/arch/gpio.h>
+#include <asm/mach-types.h>
+#include <bootstage.h>
+#include <command.h>
+#include <init.h>
+#include <linux/bitops.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* GPIO configuration */
+#define POGO_V4_OE_LOW				(~(0))
+#define POGO_V4_OE_HIGH				(~(0))
+#define POGO_V4_OE_VAL_LOW			BIT(29)
+#define POGO_V4_OE_VAL_HIGH			0
+
+/* button */
+#define BTN_EJECT				29
+
+int board_early_init_f(void)
+{
+	/*
+	 * default gpio configuration
+	 * There are maximum 64 gpios controlled through 2 sets of registers
+	 * the  below configuration configures mainly initial LED status
+	 */
+	mvebu_config_gpio(POGO_V4_OE_VAL_LOW,
+			  POGO_V4_OE_VAL_HIGH,
+			  POGO_V4_OE_LOW, POGO_V4_OE_HIGH);
+
+	/* Multi-Purpose Pins Functionality configuration */
+	u32 kwmpp_config[] = {
+		MPP0_NF_IO2,
+		MPP1_NF_IO3,
+		MPP2_NF_IO4,
+		MPP3_NF_IO5,
+		MPP4_NF_IO6,
+		MPP5_NF_IO7,
+		MPP6_SYSRST_OUTn,
+		MPP7_GPO,
+		MPP8_TW_SDA,
+		MPP9_TW_SCK,
+		MPP10_UART0_TXD,
+		MPP11_UART0_RXD,
+		MPP12_SD_CLK,
+		MPP13_SD_CMD,
+		MPP14_SD_D0,
+		MPP15_SD_D1,
+		MPP16_SD_D2,
+		MPP17_SD_D3,
+		MPP18_NF_IO0,
+		MPP19_NF_IO1,
+		MPP20_SATA1_ACTn,
+		MPP21_SATA0_ACTn,
+		MPP22_GPIO,	/* Green LED */
+		MPP23_GPIO,
+		MPP24_GPIO,	/* Red LED */
+		MPP25_GPIO,
+		MPP26_GPIO,
+		MPP27_GPIO,
+		MPP28_GPIO,
+		MPP29_GPIO,	/* Eject button */
+		MPP30_GPIO,
+		MPP31_GPIO,
+		MPP32_GPIO,
+		MPP33_GPIO,
+		MPP34_GPIO,
+		MPP35_GPIO,	/* FR6192 has only 36 GPIOs */
+		0
+	};
+	kirkwood_mpp_conf(kwmpp_config, NULL);
+
+	return 0;
+}
+
+int board_eth_init(struct bd_info *bis)
+{
+	return cpu_eth_init(bis);
+}
+
+int board_late_init(void)
+{
+	/* Do late init to ensure successful enumeration of XHCI devices */
+	pci_init();
+	return 0;
+}
+
+int board_init(void)
+{
+	/* Boot parameters address */
+	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+	return 0;
+}
+
+#if CONFIG_IS_ENABLED(BOOTSTAGE)
+#define GREEN_LED	BIT(22)
+#define RED_LED		BIT(24)
+#define BOTH_LEDS	(GREEN_LED | RED_LED)
+#define NEITHER_LED	0
+
+static void set_leds(u32 leds, u32 blinking)
+{
+	struct kwgpio_registers *r;
+	u32 oe;
+	u32 bl;
+
+	r = (struct kwgpio_registers *)MVEBU_GPIO0_BASE;
+	oe = readl(&r->oe) | BOTH_LEDS;
+	writel(oe & ~leds, &r->oe);	/* active low */
+	bl = readl(&r->blink_en) & ~BOTH_LEDS;
+	writel(bl | blinking, &r->blink_en);
+}
+
+void show_boot_progress(int val)
+{
+	switch (val) {
+	case BOOTSTAGE_ID_RUN_OS:		/* booting Linux */
+		set_leds(BOTH_LEDS, NEITHER_LED);
+		break;
+	case BOOTSTAGE_ID_NET_ETH_START:	/* Ethernet initialization */
+		set_leds(GREEN_LED, GREEN_LED);
+		break;
+	default:
+		if (val < 0)	/* error */
+			set_leds(RED_LED, RED_LED);
+		break;
+	}
+}
+#endif