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| author | Tom Rini <trini@konsulko.com> | 2023-11-20 09:19:50 -0500 | 
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-11-20 09:19:50 -0500 | 
| commit | dca7a8958f8d0dbd53072caa4353353e062d80ca (patch) | |
| tree | 2ba9b27f1799d23f5bd3355feaf6276646297b9d /arch/arm/cpu | |
| parent | 9e4b42267e1fb5805ecddbb92629f456d8cd4047 (diff) | |
| parent | 24ca49b33af98d54d6cd2e845f071f6565345ffd (diff) | |
Merge tag 'v2024.01-rc3' into next
Prepare v2024.01-rc3
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/mpu_v7r.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/cache_v8.c | 30 | 
2 files changed, 4 insertions, 28 deletions
| diff --git a/arch/arm/cpu/armv7/mpu_v7r.c b/arch/arm/cpu/armv7/mpu_v7r.c index 57ab640e263..1d31c63e5fd 100644 --- a/arch/arm/cpu/armv7/mpu_v7r.c +++ b/arch/arm/cpu/armv7/mpu_v7r.c @@ -2,7 +2,7 @@  /*   * Cortex-R Memory Protection Unit specific code   * - * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/   *	Lokesh Vutla <lokeshvutla@ti.com>   */ diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c index cb1131a0480..697334086fd 100644 --- a/arch/arm/cpu/armv8/cache_v8.c +++ b/arch/arm/cpu/armv8/cache_v8.c @@ -93,16 +93,10 @@ u64 get_tcr(u64 *pips, u64 *pva_bits)  	if (el == 1) {  		tcr = TCR_EL1_RSVD | (ips << 32) | TCR_EPD1_DISABLE; -		if (gd->arch.has_hafdbs) -			tcr |= TCR_EL1_HA | TCR_EL1_HD;  	} else if (el == 2) {  		tcr = TCR_EL2_RSVD | (ips << 16); -		if (gd->arch.has_hafdbs) -			tcr |= TCR_EL2_HA | TCR_EL2_HD;  	} else {  		tcr = TCR_EL3_RSVD | (ips << 16); -		if (gd->arch.has_hafdbs) -			tcr |= TCR_EL3_HA | TCR_EL3_HD;  	}  	/* PTWs cacheable, inner/outer WBWA and inner shareable */ @@ -206,9 +200,6 @@ static void __cmo_on_leaves(void (*cmo_fn)(unsigned long, unsigned long),  		    attrs != PTE_BLOCK_MEMTYPE(MT_NORMAL_NC))  			continue; -		if (gd->arch.has_hafdbs && (pte & (PTE_RDONLY | PTE_DBM)) != PTE_DBM) -			continue; -  		end = va + BIT(level2shift(level)) - 1;  		/* No intersection with RAM? */ @@ -318,7 +309,7 @@ static void map_range(u64 virt, u64 phys, u64 size, int level,  	for (i = idx; size; i++) {  		u64 next_size, *next_table; -		if (level >= gd->arch.first_block_level && +		if (level >= 1 &&  		    size >= map_size && !(virt & (map_size - 1))) {  			if (level == 3)  				table[i] = phys | attrs | PTE_TYPE_PAGE; @@ -357,12 +348,6 @@ static void add_map(struct mm_region *map)  	if (va_bits < 39)  		level = 1; -	if (!gd->arch.first_block_level) -		gd->arch.first_block_level = 1; - -	if (gd->arch.has_hafdbs) -		attrs |= PTE_DBM | PTE_RDONLY; -  	map_range(map->virt, map->phys, map->size, level,  		  (u64 *)gd->arch.tlb_addr, attrs);  } @@ -376,7 +361,7 @@ static void count_range(u64 virt, u64 size, int level, int *cntp)  	for (i = idx; size; i++) {  		u64 next_size; -		if (level >= gd->arch.first_block_level && +		if (level >= 1 &&  		    size >= map_size && !(virt & (map_size - 1))) {  			virt += map_size;  			size -= map_size; @@ -414,16 +399,7 @@ static int count_ranges(void)  __weak u64 get_page_table_size(void)  {  	u64 one_pt = MAX_PTE_ENTRIES * sizeof(u64); -	u64 size, mmfr1; - -	asm volatile("mrs %0, id_aa64mmfr1_el1" : "=r" (mmfr1)); -	if ((mmfr1 & 0xf) == 2) { -		gd->arch.has_hafdbs = true; -		gd->arch.first_block_level = 2; -	} else { -		gd->arch.has_hafdbs = false; -		gd->arch.first_block_level = 1; -	} +	u64 size;  	/* Account for all page tables we would need to cover our memory map */  	size = one_pt * count_ranges(); | 
