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| author | Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> | 2018-10-05 15:09:04 +0530 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2018-10-16 16:53:24 +0200 |
| commit | 12ad2994a5f01f949c3865851898bdae5ded1ddc (patch) | |
| tree | 8d39096295f7ce8ba673771a8086f56780cc472f | |
| parent | ddccf5ef90b6df10fe7a58fe112d2d4013e4f154 (diff) | |
| download | u-boot-12ad2994a5f01f949c3865851898bdae5ded1ddc.zip u-boot-12ad2994a5f01f949c3865851898bdae5ded1ddc.tar.gz u-boot-12ad2994a5f01f949c3865851898bdae5ded1ddc.tar.bz2 | |
arm64: zynqmp: Move TCM initialization to a separate routine
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>
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/cpu.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c index 43ba739..3ed631e 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; |