diff options
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/Kconfig | 7 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/cpu.c | 12 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-zynqmp/hardware.h | 3 |
3 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/zynqmp/Kconfig b/arch/arm/cpu/armv8/zynqmp/Kconfig index 5ffc9f6c867..4dc8b1caf79 100644 --- a/arch/arm/cpu/armv8/zynqmp/Kconfig +++ b/arch/arm/cpu/armv8/zynqmp/Kconfig @@ -42,6 +42,13 @@ config SYS_CONFIG_NAME Based on this option include/configs/<CONFIG_SYS_CONFIG_NAME>.h header will be used for board configuration. +config SYS_MEM_RSVD_FOR_MMU + bool "Reserve memory for MMU Table" + help + If defined this option is used to setup different space for + MMU table than the one which will be allocated during + relocation. + config BOOT_INIT_FILE string "boot.bin init register filename" depends on SPL diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c index 9b83e51885f..f026cb4511f 100644 --- a/arch/arm/cpu/armv8/zynqmp/cpu.c +++ b/arch/arm/cpu/armv8/zynqmp/cpu.c @@ -77,6 +77,18 @@ u64 get_page_table_size(void) return 0x14000; } +#ifdef CONFIG_SYS_MEM_RSVD_FOR_MMU +int reserve_mmu(void) +{ + initialize_tcm(TCM_LOCK); + memset((void *)ZYNQMP_TCM_BASE_ADDR, 0, ZYNQMP_TCM_SIZE); + gd->arch.tlb_size = PGTABLE_SIZE; + gd->arch.tlb_addr = ZYNQMP_TCM_BASE_ADDR; + + return 0; +} +#endif + static unsigned int zynqmp_get_silicon_version_secure(void) { u32 ver; diff --git a/arch/arm/include/asm/arch-zynqmp/hardware.h b/arch/arm/include/asm/arch-zynqmp/hardware.h index cab29ba0369..5f2c98d633e 100644 --- a/arch/arm/include/asm/arch-zynqmp/hardware.h +++ b/arch/arm/include/asm/arch-zynqmp/hardware.h @@ -21,6 +21,9 @@ #define ZYNQMP_USB0_XHCI_BASEADDR 0xFE200000 #define ZYNQMP_USB1_XHCI_BASEADDR 0xFE300000 +#define ZYNQMP_TCM_BASE_ADDR 0xFFE00000 +#define ZYNQMP_TCM_SIZE 0x40000 + #define ZYNQMP_CRL_APB_BASEADDR 0xFF5E0000 #define ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT 0x1000000 #define ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT 0 |