Message ID | 1466811983-23019-3-git-send-email-york.sun@nxp.com |
---|---|
State | Accepted |
Commit | 50e93b95653da44b9743357dfa3701e8482fd167 |
Delegated to: | York Sun |
Headers | show
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diff --git a/arch/arm/include/asm/global_data.h b/arch/arm/include/asm/global_data.h index 2d76cd4..1055017 100644 --- a/arch/arm/include/asm/global_data.h +++ b/arch/arm/include/asm/global_data.h @@ -57,6 +57,7 @@ struct arch_global_data { * 0x2 maintained */ phys_addr_t secure_ram; + unsigned long tlb_allocated; #endif #ifdef CONFIG_OMAP_COMMON diff --git a/common/board_f.c b/common/board_f.c index 0fc96bd..a1138b0 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -432,6 +432,15 @@ static int reserve_mmu(void) gd->arch.tlb_addr = gd->relocaddr; debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr, gd->arch.tlb_addr + gd->arch.tlb_size); + +#ifdef CONFIG_SYS_MEM_RESERVE_SECURE + /* + * Record allocated tlb_addr in case gd->tlb_addr to be overwritten + * with location within secure ram. + */ + gd->arch.tlb_allocated = gd->arch.tlb_addr; +#endif + return 0; } #endif
When secure ram is used, MMU tables have to be put into secure ram. To use common MMU code, gd->arch.tlb_addr will be used to host TLB entry pointer. To save allocated memory for later use, tlb_allocated variable is added to global data structure. Signed-off-by: York Sun <york.sun@nxp.com> --- arch/arm/include/asm/global_data.h | 1 + common/board_f.c | 9 +++++++++ 2 files changed, 10 insertions(+)