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Merge "fix(tc): enable Last-level cache (LLC) for tc4" into integration

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Olivier Deprez 2025-02-04 11:58:30 +01:00 • committed by TrustedFirmware Code Review
commit aacdfdfe2b
2 changed files with 9 additions and 2 deletions
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1
include/lib/cpus/aarch64/cortex_gelas.h
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@ -15,6 +15,7 @@
* CPU Extended Control register specific definitions * CPU Extended Control register specific definitions
******************************************************************************/ ******************************************************************************/
#define CORTEX_GELAS_IMP_CPUECTLR_EL1 S3_0_C15_C1_5 #define CORTEX_GELAS_IMP_CPUECTLR_EL1 S3_0_C15_C1_5
#define CPUECTLR2_EL1_EXTLLC_BIT 10
/******************************************************************************* /*******************************************************************************
* CPU Power Control register specific definitions * CPU Power Control register specific definitions

10
plat/arm/board/tc/include/tc_helpers.S
View file

@ -9,6 +9,8 @@
#include <platform_def.h> #include <platform_def.h>
#include <cpu_macros.S> #include <cpu_macros.S>
#include <cortex_gelas.h>
#define TC_HANDLER(rev) plat_reset_handler_tc##rev #define TC_HANDLER(rev) plat_reset_handler_tc##rev
#define PLAT_RESET_HANDLER(rev) TC_HANDLER(rev) #define PLAT_RESET_HANDLER(rev) TC_HANDLER(rev)
@ -57,8 +59,11 @@ func mark_extllc_presence
mov_imm x0, (MCN_CONFIG_ADDR(0)) mov_imm x0, (MCN_CONFIG_ADDR(0))
ldr w1, [x0] ldr w1, [x0]
ubfx x1, x1, #MCN_CONFIG_SLC_PRESENT_BIT, #1 ubfx x1, x1, #MCN_CONFIG_SLC_PRESENT_BIT, #1
sysreg_bitfield_insert_from_gpr CPUECTLR_EL1, x1, \ jump_if_cpu_midr CORTEX_GELAS_MIDR, GELAS
CPUECTLR_EL1_EXTLLC_BIT, 1 sysreg_bitfield_insert_from_gpr CPUECTLR_EL1, x1, CPUECTLR_EL1_EXTLLC_BIT, 1
ret
GELAS:
sysreg_bitfield_insert_from_gpr CORTEX_GELAS_IMP_CPUECTLR_EL1, x1, CPUECTLR2_EL1_EXTLLC_BIT, 1
#endif #endif
ret ret
endfunc mark_extllc_presence endfunc mark_extllc_presence
@ -83,6 +88,7 @@ endfunc TC_HANDLER(3)
func TC_HANDLER(4) func TC_HANDLER(4)
mov x9, lr mov x9, lr
bl mark_extllc_presence
bl enable_dsu_pmu_el1_access bl enable_dsu_pmu_el1_access
mov lr, x9 mov lr, x9
ret ret