From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
This patch moves TCM initialization to a separate routine to make it modular and can be reused if required. It also prints warning message now as it writes to TCM.
Signed-off-by: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
arch/arm/cpu/armv8/zynqmp/cpu.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c index 43ba739d2f7c..3ed631e505af 100644 --- a/arch/arm/cpu/armv8/zynqmp/cpu.c +++ b/arch/arm/cpu/armv8/zynqmp/cpu.c @@ -105,10 +105,16 @@ u64 get_page_table_size(void) }
#ifdef CONFIG_SYS_MEM_RSVD_FOR_MMU -int reserve_mmu(void) +static void tcm_init(u8 mode) { - initialize_tcm(TCM_LOCK); + puts("WARNING: Initializing TCM overwrites TCM content\n"); + initialize_tcm(mode); memset((void *)ZYNQMP_TCM_BASE_ADDR, 0, ZYNQMP_TCM_SIZE); +} + +int reserve_mmu(void) +{ + tcm_init(TCM_LOCK); gd->arch.tlb_size = PGTABLE_SIZE; gd->arch.tlb_addr = ZYNQMP_TCM_BASE_ADDR;