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arm64: zynqmp: Move TCM initialization to a separate routine

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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>
This commit is contained in:
Siva Durga Prasad Paladugu 2018-10-05 15:09:04 +05:30 committed by Michal Simek
parent ddccf5ef90
commit 12ad2994a5
1 changed files with 8 additions and 2 deletions
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10
arch/arm/cpu/armv8/zynqmp/cpu.c
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@ -105,10 +105,16 @@ u64 get_page_table_size(void)
}
#ifdef CONFIG_SYS_MEM_RSVD_FOR_MMU
static void tcm_init(u8 mode)
{
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)
{
initialize_tcm(TCM_LOCK);
memset((void *)ZYNQMP_TCM_BASE_ADDR, 0, ZYNQMP_TCM_SIZE);
tcm_init(TCM_LOCK);
gd->arch.tlb_size = PGTABLE_SIZE;
gd->arch.tlb_addr = ZYNQMP_TCM_BASE_ADDR;