From dbc4739a0dcaffde1d0f2edbc6878e88b77ebd77 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= Date: Sun, 5 Aug 2012 12:11:40 +0300 Subject: AMD northbridge: copy TOP_MEM and TOP_MEM2 for distribution MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Take a copy of BSP CPU's TOP_MEM and TOP_MEM2 MSRs to be distributed to AP CPUs and factor out the debugging info from setup_uma_memory(). Change-Id: I1acb4eaa3fe118aee223df1ebff997289f5d3a56 Signed-off-by: Kyösti Mälkki Reviewed-on: http://review.coreboot.org/1387 Tested-by: build bot (Jenkins) Reviewed-by: Zheng Bao Reviewed-by: Alexandru Gagniuc --- src/northbridge/amd/agesa/family10/northbridge.c | 1 + src/northbridge/amd/agesa/family12/northbridge.c | 23 +++++----------------- src/northbridge/amd/agesa/family14/northbridge.c | 23 +++++----------------- src/northbridge/amd/agesa/family15/northbridge.c | 22 +++++---------------- src/northbridge/amd/agesa/family15tn/northbridge.c | 23 ++++++---------------- 5 files changed, 22 insertions(+), 70 deletions(-) (limited to 'src/northbridge/amd/agesa') diff --git a/src/northbridge/amd/agesa/family10/northbridge.c b/src/northbridge/amd/agesa/family10/northbridge.c index 8cc9475c45..4b3859b20a 100644 --- a/src/northbridge/amd/agesa/family10/northbridge.c +++ b/src/northbridge/amd/agesa/family10/northbridge.c @@ -923,6 +923,7 @@ static void amdfam10_domain_set_resources(device_t dev) u32 reset_memhole = 1; #endif + setup_bsp_ramtop(); #if CONFIG_GFXUMA #error Northbridge does not set uma_memory_base or uma_memory_size. #endif diff --git a/src/northbridge/amd/agesa/family12/northbridge.c b/src/northbridge/amd/agesa/family12/northbridge.c index af1d4f064c..6689e71f88 100644 --- a/src/northbridge/amd/agesa/family12/northbridge.c +++ b/src/northbridge/amd/agesa/family12/northbridge.c @@ -476,21 +476,9 @@ static void set_resources(device_t dev) static void setup_uma_memory(void) { #if CONFIG_GFXUMA - msr_t msr, msr2; + uint32_t topmem = (uint32_t) bsp_topmem(); uint32_t sys_mem; - /* TOP_MEM: the top of DRAM below 4G */ - msr = rdmsr(TOP_MEM); - printk - (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n", - __func__, msr.lo, msr.hi); - - /* TOP_MEM2: the top of DRAM above 4G */ - msr2 = rdmsr(TOP_MEM2); - printk - (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n", - __func__, msr2.lo, msr2.hi); - /* refer to UMA Size Consideration in Family12h BKDG. */ /* Please reference MemNGetUmaSizeLN () */ /* @@ -499,19 +487,17 @@ static void setup_uma_memory(void) * >=1G 256M * <1G 64M */ - sys_mem = msr.lo + 0x1000000; // Ignore 16MB allocated for C6 when finding UMA size - if ((msr.hi & 0x0000000F) || (sys_mem >= 0x80000000)) { + sys_mem = topmem + 0x1000000; // Ignore 16MB allocated for C6 when finding UMA size + if ((bsp_topmem2()>>32) || (sys_mem >= 0x80000000)) { uma_memory_size = 0x20000000; /* >= 2G memory, 512M recommended UMA */ } else if (sys_mem >= 0x40000000) { uma_memory_size = 0x10000000; /* >= 1G memory, 256M recommended UMA */ } else { uma_memory_size = 0x4000000; /* <1G memory, 64M recommended UMA */ } - uma_memory_base = msr.lo - uma_memory_size; /* TOP_MEM1 */ + uma_memory_base = topmem - uma_memory_size; /* TOP_MEM1 */ printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n", __func__, uma_memory_size, uma_memory_base); - - /* TODO: TOP_MEM2 */ #endif } @@ -615,6 +601,7 @@ static void domain_set_resources(device_t dev) u32 reset_memhole = 1; #endif + setup_bsp_ramtop(); setup_uma_memory(); #if CONFIG_PCI_64BIT_PREF_MEM diff --git a/src/northbridge/amd/agesa/family14/northbridge.c b/src/northbridge/amd/agesa/family14/northbridge.c index a03939cde4..875dbbb744 100644 --- a/src/northbridge/amd/agesa/family14/northbridge.c +++ b/src/northbridge/amd/agesa/family14/northbridge.c @@ -524,24 +524,12 @@ static void domain_read_resources(device_t dev) static void setup_uma_memory(void) { #if CONFIG_GFXUMA - msr_t msr, msr2; + uint32_t topmem = (uint32_t) bsp_topmem(); uint32_t sys_mem; - /* TOP_MEM: the top of DRAM below 4G */ - msr = rdmsr(TOP_MEM); - printk - (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n", - __func__, msr.lo, msr.hi); - - /* TOP_MEM2: the top of DRAM above 4G */ - msr2 = rdmsr(TOP_MEM2); - printk - (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n", - __func__, msr2.lo, msr2.hi); - /* refer to UMA Size Consideration in Family14h BKDG. */ - sys_mem = msr.lo + 0x1000000; // Ignore 16MB allocated for C6 when finding UMA size, refer MemNGetUmaSizeON() - if ((msr.hi & 0x0000000F) || (sys_mem >= 0x80000000)) { + sys_mem = topmem + 0x1000000; // Ignore 16MB allocated for C6 when finding UMA size, refer MemNGetUmaSizeON() + if ((bsp_topmem2()>>32) || (sys_mem >= 0x80000000)) { uma_memory_size = 0x18000000; /* >= 2G memory, 384M recommended UMA */ } else { @@ -552,11 +540,9 @@ static void setup_uma_memory(void) } } - uma_memory_base = msr.lo - uma_memory_size; /* TOP_MEM1 */ + uma_memory_base = topmem - uma_memory_size; /* TOP_MEM1 */ printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n", __func__, uma_memory_size, uma_memory_base); - - /* TODO: TOP_MEM2 */ #endif } @@ -578,6 +564,7 @@ static void domain_set_resources(device_t dev) u32 reset_memhole = 1; #endif + setup_bsp_ramtop(); setup_uma_memory(); #if CONFIG_PCI_64BIT_PREF_MEM diff --git a/src/northbridge/amd/agesa/family15/northbridge.c b/src/northbridge/amd/agesa/family15/northbridge.c index d9a153b53b..96cfca2f8a 100644 --- a/src/northbridge/amd/agesa/family15/northbridge.c +++ b/src/northbridge/amd/agesa/family15/northbridge.c @@ -632,20 +632,9 @@ static struct hw_mem_hole_info get_hw_mem_hole_info(void) static void setup_uma_memory(void) { #if CONFIG_GFXUMA - msr_t msr, msr2; + uint32_t topmem = (uint32_t) bsp_topmem(); uint32_t sys_mem; - /* TOP_MEM: the top of DRAM below 4G */ - msr = rdmsr(TOP_MEM); - printk - (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n", - __func__, msr.lo, msr.hi); - - /* TOP_MEM2: the top of DRAM above 4G */ - msr2 = rdmsr(TOP_MEM2); - printk (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n", - __func__, msr2.lo, msr2.hi); - /* refer to UMA Size Consideration in Family15h BKDG. */ /* Please reference MemNGetUmaSizeOR () */ /* @@ -654,20 +643,18 @@ static void setup_uma_memory(void) * >=1G 256M * <1G 64M */ - sys_mem = msr.lo + (16 << ONE_MB_SHIFT); // Ignore 16MB allocated for C6 when finding UMA size - if ((msr2.hi & 0x0000000F) || (sys_mem >= 2048 << ONE_MB_SHIFT)) { + sys_mem = topmem + (16 << ONE_MB_SHIFT); // Ignore 16MB allocated for C6 when finding UMA size + if ((bsp_topmem2()>>32) || (sys_mem >= 2048 << ONE_MB_SHIFT)) { uma_memory_size = 512 << ONE_MB_SHIFT; } else if (sys_mem >= 1024 << ONE_MB_SHIFT) { uma_memory_size = 256 << ONE_MB_SHIFT; } else { uma_memory_size = 64 << ONE_MB_SHIFT; } - uma_memory_base = msr.lo - uma_memory_size; /* TOP_MEM1 */ + uma_memory_base = topmem - uma_memory_size; /* TOP_MEM1 */ printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n", __func__, uma_memory_size, uma_memory_base); - - /* TODO: TOP_MEM2 */ #endif } @@ -686,6 +673,7 @@ static void domain_set_resources(device_t dev) u32 reset_memhole = 1; #endif + setup_bsp_ramtop(); setup_uma_memory(); #if CONFIG_PCI_64BIT_PREF_MEM diff --git a/src/northbridge/amd/agesa/family15tn/northbridge.c b/src/northbridge/amd/agesa/family15tn/northbridge.c index c63890df00..fb30277884 100644 --- a/src/northbridge/amd/agesa/family15tn/northbridge.c +++ b/src/northbridge/amd/agesa/family15tn/northbridge.c @@ -31,6 +31,7 @@ #include #include +#include #include #include @@ -641,20 +642,9 @@ static struct hw_mem_hole_info get_hw_mem_hole_info(void) static void setup_uma_memory(void) { #if CONFIG_GFXUMA - msr_t msr, msr2; + uint32_t topmem = (uint32_t) bsp_topmem(); uint32_t sys_mem; - /* TOP_MEM: the top of DRAM below 4G */ - msr = rdmsr(TOP_MEM); - printk - (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n", - __func__, msr.lo, msr.hi); - - /* TOP_MEM2: the top of DRAM above 4G */ - msr2 = rdmsr(TOP_MEM2); - printk (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n", - __func__, msr2.lo, msr2.hi); - /* refer to UMA Size Consideration in Family15h BKDG. */ /* Please reference MemNGetUmaSizeOR () */ /* @@ -663,20 +653,18 @@ static void setup_uma_memory(void) * >=1G 256M * <1G 64M */ - sys_mem = msr.lo + (16 << ONE_MB_SHIFT); // Ignore 16MB allocated for C6 when finding UMA size - if ((msr2.hi & 0x0000000F) || (sys_mem >= 2048 << ONE_MB_SHIFT)) { + sys_mem = topmem + (16 << ONE_MB_SHIFT); // Ignore 16MB allocated for C6 when finding UMA size + if ((bsp_topmem2()>>32) || (sys_mem >= 2048 << ONE_MB_SHIFT)) { uma_memory_size = 512 << ONE_MB_SHIFT; } else if (sys_mem >= 1024 << ONE_MB_SHIFT) { uma_memory_size = 256 << ONE_MB_SHIFT; } else { uma_memory_size = 64 << ONE_MB_SHIFT; } - uma_memory_base = msr.lo - uma_memory_size; /* TOP_MEM1 */ + uma_memory_base = topmem - uma_memory_size; /* TOP_MEM1 */ printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n", __func__, uma_memory_size, uma_memory_base); - - /* TODO: TOP_MEM2 */ #endif } @@ -696,6 +684,7 @@ static void domain_set_resources(device_t dev) u32 reset_memhole = 1; #endif + setup_bsp_ramtop(); setup_uma_memory(); #if CONFIG_PCI_64BIT_PREF_MEM -- cgit v1.2.3