diff options
Diffstat (limited to 'src/cpu/amd/car/disable_cache_as_ram.c')
| -rw-r--r-- | src/cpu/amd/car/disable_cache_as_ram.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/cpu/amd/car/disable_cache_as_ram.c b/src/cpu/amd/car/disable_cache_as_ram.c index bab464e25e..a8ff1cc17a 100644 --- a/src/cpu/amd/car/disable_cache_as_ram.c +++ b/src/cpu/amd/car/disable_cache_as_ram.c @@ -4,7 +4,8 @@ * original idea yhlu 6.2005 (assembler code) * * Copyright (C) 2010 Rudolf Marek <r.marek@assembler.cz> - * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, + * Raptor Engineering * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -31,7 +32,8 @@ static inline __attribute__((always_inline)) uint32_t amd_fam1x_cpu_family(void) return family; } -static inline __attribute__((always_inline)) void disable_cache_as_ram(uint8_t skip_sharedc_config) +static inline __attribute__((always_inline)) +void disable_cache_as_ram(uint8_t skip_sharedc_config) { msr_t msr; uint32_t family; @@ -52,12 +54,17 @@ static inline __attribute__((always_inline)) void disable_cache_as_ram(uint8_t s #if CONFIG_DCACHE_RAM_SIZE > 0x18000 wrmsr(MTRR_FIX_4K_D8000, msr); #endif - /* disable fixed mtrr from now on, it will be enabled by ramstage again */ + /* disable fixed mtrr from now on, + * it will be enabled by ramstage again + */ msr = rdmsr(SYSCFG_MSR); - msr.lo &= ~(SYSCFG_MSR_MtrrFixDramEn | SYSCFG_MSR_MtrrFixDramModEn); + msr.lo &= ~(SYSCFG_MSR_MtrrFixDramEn + | SYSCFG_MSR_MtrrFixDramModEn); wrmsr(SYSCFG_MSR, msr); - /* Set the default memory type and disable fixed and enable variable MTRRs */ + /* Set the default memory type and + * disable fixed and enable variable MTRRs + */ msr.hi = 0; msr.lo = (1 << 11); |