board: arm: Add support for Broadcom BCM7260

Add support for loading U-Boot on the Broadcom 7260 SoC.  This port
assumes Broadcom's BOLT bootloader is acting as the second stage
bootloader, and U-Boot is acting as the third stage bootloader, loaded
as an ELF program by BOLT.

Signed-off-by: Thomas Fitzsimmons <fitzsim@fitzsim.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>

MAINTAINERS

@@ -113,7 +113,7 @@ M:	Thomas Fitzsimmons <fitzsim@fitzsim.org>
 S:	Maintained
 F:	arch/arm/mach-bcmstb/
 F:	board/broadcom/bcmstb/
-F:	configs/bcm7445_defconfig
+F:	configs/bcm7*_defconfig
 F:	doc/README.bcm7xxx
 F:	drivers/mmc/bcmstb_sdhci.c
 F:	drivers/spi/bcmstb_spi.c

arch/arm/mach-bcmstb/Kconfig

@@ -7,8 +7,14 @@ config TARGET_BCM7445
 	  Support for the Broadcom 7445 SoC.  This port assumes BOLT
 	  is acting as the second stage bootloader, and U-Boot is
 	  acting as the third stage bootloader (TSBL), loaded by BOLT.
-	  This port may work on other BCM7xxx boards with
-	  configuration changes.
+
+config TARGET_BCM7260
+	bool "Broadcom 7260 TSBL"
+	depends on ARCH_BCMSTB
+	help
+	  Support for the Broadcom 7260 SoC.  This port assumes BOLT
+	  is acting as the second stage bootloader, and U-Boot is
+	  acting as the third stage bootloader (TSBL), loaded by BOLT.
 
 config SYS_CPU
 	default "armv7"
@@ -23,7 +29,8 @@ config SYS_SOC
 	default "bcmstb"
 
 config SYS_CONFIG_NAME
-	default "bcm7445"
+	default "bcm7445" if TARGET_BCM7445
+	default "bcm7260" if TARGET_BCM7260
 
 config SYS_FDT_SAVE_ADDRESS
 	hex "Address to which the prior stage provided DTB will be copied"

board/broadcom/bcmstb/MAINTAINERS

@@ -5,3 +5,11 @@ F:	board/broadcom/bcmstb/
 F:	include/configs/bcmstb.h
 F:	include/configs/bcm7445.h
 F:	configs/bcm7445_defconfig
+
+BCM7260 BOARD
+M:	Thomas Fitzsimmons <fitzsim@fitzsim.org>
+S:	Maintained
+F:	board/broadcom/bcmstb/
+F:	include/configs/bcmstb.h
+F:	include/configs/bcm7260.h
+F:	configs/bcm7260_defconfig

configs/bcm7260_defconfig

@@ -0,0 +1,17 @@
+CONFIG_ARM=y
+CONFIG_ARCH_BCMSTB=y
+CONFIG_SYS_TEXT_BASE=0x10100000
+CONFIG_TARGET_BCM7260=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_FIT=y
+CONFIG_FIT_SIGNATURE=y
+CONFIG_BOOTDELAY=1
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="U-Boot>"
+CONFIG_OF_PRIOR_STAGE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_BCMSTB=y
+CONFIG_CONS_INDEX=1
+CONFIG_EFI_LOADER=n
+CONFIG_EFI_PARTITION=y

include/configs/bcm7260.h

@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2018  Cisco Systems, Inc.
+ *
+ * Author: Thomas Fitzsimmons <fitzsim@fitzsim.org>
+ *
+ * Configuration settings for the Broadcom BCM7260 SoC family.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_SYS_NS16550_COM1	0xf040c000
+
+#define CONFIG_SYS_TEXT_BASE		0x10100000
+#define CONFIG_SYS_INIT_RAM_ADDR	0x10200000
+
+#define CONFIG_SYS_MALLOC_LEN		((40 * 1024) << 10) /* 40 MiB */
+
+#include "bcmstb.h"
+
+#define BCMSTB_SDHCI_BASE	0xf0200300
+#define BCMSTB_TIMER_LOW	0xf0412008
+#define BCMSTB_TIMER_HIGH	0xf041200c
+#define BCMSTB_TIMER_FREQUENCY	0xf0412020
+#define BCMSTB_HIF_MSPI_BASE	0xf0203c00
+#define BCMSTB_BSPI_BASE	0xf0203a00
+#define BCMSTB_HIF_SPI_INTR2	0xf0201a00
+#define BCMSTB_CS_REG		0xf0200920
+
+/*
+ * Environment configuration for eMMC.
+ */
+#define CONFIG_ENV_OFFSET	(0x000040a4 * 512)
+#define CONFIG_SYS_MMC_ENV_DEV	0
+#define CONFIG_SYS_MMC_ENV_PART	0
+
+#define CONFIG_CMD_GPT
+
+#endif	/* __CONFIG_H */