From e30d2bd40eaed27c5cead1b6e337e66f2b84d30e Mon Sep 17 00:00:00 2001 From: Álvaro Fernández Rojas Date: Tue, 25 Apr 2017 00:39:21 +0200 Subject: MIPS: add support for Broadcom MIPS BCM6358 SoC family MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas Reviewed-by: Simon Glass --- arch/mips/mach-bmips/Kconfig | 18 +++++++++++++- arch/mips/mach-bmips/include/ioremap.h | 45 ++++++++++++++++++++++++++++++++++ 2 files changed, 62 insertions(+), 1 deletion(-) create mode 100644 arch/mips/mach-bmips/include/ioremap.h (limited to 'arch/mips/mach-bmips') diff --git a/arch/mips/mach-bmips/Kconfig b/arch/mips/mach-bmips/Kconfig index 4f4d351f2c..03cba72f0a 100644 --- a/arch/mips/mach-bmips/Kconfig +++ b/arch/mips/mach-bmips/Kconfig @@ -2,7 +2,23 @@ menu "Broadcom MIPS platforms" depends on ARCH_BMIPS config SYS_SOC - default "none" + default "bcm6358" if SOC_BMIPS_BCM6358 + +choice + prompt "Broadcom MIPS SoC select" + +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. + +endchoice choice prompt "Boot mode" 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 + +/* + * 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 */ -- cgit