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-rw-r--r--arch/mips/mach-bmips/Kconfig88
-rw-r--r--arch/mips/mach-bmips/Makefile5
-rw-r--r--arch/mips/mach-bmips/dram.c37
-rw-r--r--arch/mips/mach-bmips/include/ioremap.h45
4 files changed, 175 insertions, 0 deletions
diff --git a/arch/mips/mach-bmips/Kconfig b/arch/mips/mach-bmips/Kconfig
new file mode 100644
index 0000000000..d1684486a8
--- /dev/null
+++ b/arch/mips/mach-bmips/Kconfig
@@ -0,0 +1,88 @@
+menu "Broadcom MIPS platforms"
+ depends on ARCH_BMIPS
+
+config SYS_SOC
+ default "bcm6328" if SOC_BMIPS_BCM6328
+ default "bcm6358" if SOC_BMIPS_BCM6358
+ default "bcm63268" if SOC_BMIPS_BCM63268
+
+choice
+ prompt "Broadcom MIPS SoC select"
+
+config SOC_BMIPS_BCM6328
+ bool "BMIPS BCM6328 family"
+ select SUPPORTS_BIG_ENDIAN
+ select SUPPORTS_CPU_MIPS32_R1
+ select MIPS_TUNE_4KC
+ select MIPS_L1_CACHE_SHIFT_4
+ select SWAP_IO_SPACE
+ select SYSRESET_SYSCON
+ help
+ This supports BMIPS BCM6328 family including BCM63281 and BCM63283.
+
+config SOC_BMIPS_BCM6358
+ bool "BMIPS BCM6358 family"
+ select SUPPORTS_BIG_ENDIAN
+ select SUPPORTS_CPU_MIPS32_R1
+ select MIPS_TUNE_4KC
+ select MIPS_L1_CACHE_SHIFT_4
+ select SWAP_IO_SPACE
+ select SYSRESET_SYSCON
+ help
+ This supports BMIPS BCM6358 family including BCM6358 and BCM6359.
+
+config SOC_BMIPS_BCM63268
+ bool "BMIPS BCM63268 family"
+ select SUPPORTS_BIG_ENDIAN
+ select SUPPORTS_CPU_MIPS32_R1
+ select MIPS_TUNE_4KC
+ select MIPS_L1_CACHE_SHIFT_4
+ select SWAP_IO_SPACE
+ select SYSRESET_SYSCON
+ help
+ This supports BMIPS BCM63268 family including BCM63168, BCM63169,
+ BCM63268 and BCM63269.
+
+endchoice
+
+choice
+ prompt "Board select"
+
+config BOARD_COMTREND_AR5387UN
+ bool "Comtrend AR-5387un"
+ depends on SOC_BMIPS_BCM6328
+ select BMIPS_SUPPORTS_BOOT_RAM
+
+config BOARD_COMTREND_VR3032U
+ bool "Comtrend VR-3032u board"
+ depends on SOC_BMIPS_BCM63268
+ select BMIPS_SUPPORTS_BOOT_RAM
+
+config BOARD_HUAWEI_HG556A
+ bool "Huawei EchoLife HG556a"
+ depends on SOC_BMIPS_BCM6358
+ select BMIPS_SUPPORTS_BOOT_RAM
+
+endchoice
+
+choice
+ prompt "Boot mode"
+
+config BMIPS_BOOT_RAM
+ bool "RAM boot"
+ depends on BMIPS_SUPPORTS_BOOT_RAM
+ help
+ This builds an image that is linked to a RAM address. It can be used
+ for booting from CFE via TFTP using an ELF image, but it can also be
+ booted from RAM by other bootloaders using a BIN image.
+
+endchoice
+
+config BMIPS_SUPPORTS_BOOT_RAM
+ bool
+
+source "board/comtrend/ar5387un/Kconfig"
+source "board/comtrend/vr3032u/Kconfig"
+source "board/huawei/hg556a/Kconfig"
+
+endmenu
diff --git a/arch/mips/mach-bmips/Makefile b/arch/mips/mach-bmips/Makefile
new file mode 100644
index 0000000000..f432accb82
--- /dev/null
+++ b/arch/mips/mach-bmips/Makefile
@@ -0,0 +1,5 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += dram.o
diff --git a/arch/mips/mach-bmips/dram.c b/arch/mips/mach-bmips/dram.c
new file mode 100644
index 0000000000..b19b28a910
--- /dev/null
+++ b/arch/mips/mach-bmips/dram.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2016 Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <ram.h>
+#include <dm.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+ struct ram_info ram;
+ struct udevice *dev;
+ int err;
+
+ err = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (err) {
+ debug("DRAM init failed: %d\n", err);
+ return 0;
+ }
+
+ err = ram_get_info(dev, &ram);
+ if (err) {
+ debug("Cannot get DRAM size: %d\n", err);
+ return 0;
+ }
+
+ debug("SDRAM base=%zx, size=%x\n", ram.base, ram.size);
+
+ gd->ram_size = ram.size;
+
+ return 0;
+}
diff --git a/arch/mips/mach-bmips/include/ioremap.h b/arch/mips/mach-bmips/include/ioremap.h
new file mode 100644
index 0000000000..404690e4db
--- /dev/null
+++ b/arch/mips/mach-bmips/include/ioremap.h
@@ -0,0 +1,45 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0
+ */
+#ifndef __ASM_MACH_BMIPS_IOREMAP_H
+#define __ASM_MACH_BMIPS_IOREMAP_H
+
+#include <linux/types.h>
+
+/*
+ * Allow physical addresses to be fixed up to help peripherals located
+ * outside the low 32-bit range -- generic pass-through version.
+ */
+static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr,
+ phys_addr_t size)
+{
+ return phys_addr;
+}
+
+static inline int is_bmips_internal_registers(phys_addr_t offset)
+{
+#if defined(CONFIG_SOC_BMIPS_BCM6358)
+ if (offset >= 0xfffe0000)
+ return 1;
+#endif
+
+ return 0;
+}
+
+static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
+ unsigned long flags)
+{
+ if (is_bmips_internal_registers(offset))
+ return (void __iomem *)offset;
+
+ return NULL;
+}
+
+static inline int plat_iounmap(const volatile void __iomem *addr)
+{
+ return is_bmips_internal_registers((unsigned long)addr);
+}
+
+#define _page_cachable_default _CACHE_CACHABLE_NONCOHERENT
+
+#endif /* __ASM_MACH_BMIPS_IOREMAP_H */