diff options
| -rw-r--r-- | arch/arm/mach-bcm283x/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-bcm283x/include/mach/base.h | 8 | ||||
| -rw-r--r-- | arch/arm/mach-bcm283x/init.c | 21 |
3 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig index e6eb904e7f..b3287ce8bc 100644 --- a/arch/arm/mach-bcm283x/Kconfig +++ b/arch/arm/mach-bcm283x/Kconfig @@ -36,6 +36,7 @@ config BCM2711_32B select BCM2711 select ARMV7_LPAE select CPU_V7A + select PHYS_64BIT config BCM2711_64B bool "Broadcom BCM2711 SoC 64-bit support" diff --git a/arch/arm/mach-bcm283x/include/mach/base.h b/arch/arm/mach-bcm283x/include/mach/base.h index c4ae39852f..4ccaf69693 100644 --- a/arch/arm/mach-bcm283x/include/mach/base.h +++ b/arch/arm/mach-bcm283x/include/mach/base.h @@ -8,4 +8,12 @@ extern unsigned long rpi_bcm283x_base; +#ifdef CONFIG_ARMV7_LPAE +#ifdef CONFIG_TARGET_RPI_4_32B +#include <addr_map.h> +#define phys_to_virt addrmap_phys_to_virt +#define virt_to_phys addrmap_virt_to_phys +#endif +#endif + #endif diff --git a/arch/arm/mach-bcm283x/init.c b/arch/arm/mach-bcm283x/init.c index f4d00d892d..fc83392db2 100644 --- a/arch/arm/mach-bcm283x/init.c +++ b/arch/arm/mach-bcm283x/init.c @@ -134,6 +134,27 @@ int mach_cpu_init(void) } #ifdef CONFIG_ARMV7_LPAE +#ifdef CONFIG_TARGET_RPI_4_32B +#define BCM2711_RPI4_PCIE_XHCI_MMIO_VIRT 0xff800000UL +#include <addr_map.h> +#include <asm/system.h> + +void init_addr_map(void) +{ + mmu_set_region_dcache_behaviour_phys(BCM2711_RPI4_PCIE_XHCI_MMIO_VIRT, + BCM2711_RPI4_PCIE_XHCI_MMIO_PHYS, + BCM2711_RPI4_PCIE_XHCI_MMIO_SIZE, + DCACHE_OFF); + + /* identity mapping for 0..BCM2711_RPI4_PCIE_XHCI_MMIO_VIRT */ + addrmap_set_entry(0, 0, BCM2711_RPI4_PCIE_XHCI_MMIO_VIRT, 0); + /* XHCI MMIO on PCIe at BCM2711_RPI4_PCIE_XHCI_MMIO_VIRT */ + addrmap_set_entry(BCM2711_RPI4_PCIE_XHCI_MMIO_VIRT, + BCM2711_RPI4_PCIE_XHCI_MMIO_PHYS, + BCM2711_RPI4_PCIE_XHCI_MMIO_SIZE, 1); +} +#endif + void enable_caches(void) { dcache_enable(); |