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| author | Nico Huber <nico.h@gmx.de> | 2019-01-12 15:28:43 +0100 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2019-01-13 14:00:54 +0000 |
| commit | 4e008c699b3db0263b1b4a89d7cc53c4180b09cb (patch) | |
| tree | 602da8c95b19c487d37c929980b7875427e4c4aa | |
| parent | 744d6bd638f5e9495a4d0032135a6e12bf1befbd (diff) | |
| download | coreboot-4e008c699b3db0263b1b4a89d7cc53c4180b09cb.tar.xz | |
nb/intel/i945: Reduce pcidev_on_root() calls
Also removes one call for 0:2.0 (integrated graphics) that might be
disabled.
Change-Id: I494aa366030b77baf431f29ba331f13f7c567025
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/30881
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
| -rw-r--r-- | src/northbridge/intel/i945/northbridge.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c index 2b51b5ebd9..10a7ba4906 100644 --- a/src/northbridge/intel/i945/northbridge.c +++ b/src/northbridge/intel/i945/northbridge.c @@ -66,6 +66,7 @@ static void mch_domain_read_resources(struct device *dev) unsigned long long tomk, tomk_stolen; uint64_t uma_memory_base = 0, uma_memory_size = 0; uint64_t tseg_memory_base = 0, tseg_memory_size = 0; + struct device *const d0f0 = pcidev_on_root(0, 0); pci_domain_read_resources(dev); @@ -75,17 +76,14 @@ static void mch_domain_read_resources(struct device *dev) pci_tolm = find_pci_tolm(dev->link_list); printk(BIOS_DEBUG, "pci_tolm: 0x%x\n", pci_tolm); - printk(BIOS_SPEW, "Base of stolen memory: 0x%08x\n", - pci_read_config32(pcidev_on_root(2, 0), BSM)); - - tolud = pci_read_config8(pcidev_on_root(0, 0), TOLUD); + tolud = pci_read_config8(d0f0, TOLUD); printk(BIOS_SPEW, "Top of Low Used DRAM: 0x%08x\n", tolud << 24); tomk = tolud << 14; tomk_stolen = tomk; /* Note: subtract IGD device and TSEG */ - reg16 = pci_read_config16(pcidev_on_root(0, 0), GGC); + reg16 = pci_read_config16(d0f0, GGC); if (!(reg16 & 2)) { printk(BIOS_DEBUG, "IGD decoded, subtracting "); int uma_size = decode_igd_memory_size((reg16 >> 4) & 7); @@ -96,10 +94,12 @@ static void mch_domain_read_resources(struct device *dev) /* For reserving UMA memory in the memory map */ uma_memory_base = tomk_stolen * 1024ULL; uma_memory_size = uma_size * 1024ULL; + + printk(BIOS_SPEW, "Base of stolen memory: 0x%08x\n", + (unsigned int)uma_memory_base); } - tseg_sizek = decode_tseg_size(pci_read_config8(pcidev_on_root(0, 0), - ESMRAMC)) >> 10; + tseg_sizek = decode_tseg_size(pci_read_config8(d0f0, ESMRAMC)) >> 10; printk(BIOS_DEBUG, "TSEG decoded, subtracting %dM\n", tseg_sizek >> 10); tomk_stolen -= tseg_sizek; tseg_memory_base = tomk_stolen * 1024ULL; |