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| author | Arthur Heymans <arthur@aheymans.xyz> | 2021-01-18 00:36:54 +0100 |
|---|---|---|
| committer | Angel Pons <th3fanbus@gmail.com> | 2021-01-19 23:03:52 +0000 |
| commit | a6e4afc1cb44124562cdac1bea1c9fd81b9ecf27 (patch) | |
| tree | ab823acdd9ad60de8ea9cd9257ee382c98436a69 /src | |
| parent | e8ac16e7e92b8f0fc07fd80697b78fd5b2f5ef43 (diff) | |
nb/intel/i945/northbridge.c: Improve readability
This cosmetic change does 2 things:
- change bitwise shifting to division
- Make the division by / KiB explicit for fixed legacy ranges like
0xa0000-0xbffff.
Change-Id: I626989fa6625e0b3613a11e709c614d40a788b0e
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49623
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/northbridge/intel/i945/northbridge.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c index cfa527f4cc..00d5be95b5 100644 --- a/src/northbridge/intel/i945/northbridge.c +++ b/src/northbridge/intel/i945/northbridge.c @@ -74,7 +74,7 @@ static void mch_domain_read_resources(struct device *dev) printk(BIOS_DEBUG, "IGD decoded, subtracting "); int uma_size = decode_igd_memory_size((reg16 >> 4) & 7); - printk(BIOS_DEBUG, "%dM UMA\n", uma_size >> 10); + printk(BIOS_DEBUG, "%dM UMA\n", uma_size / KiB); tomk_stolen -= uma_size; /* For reserving UMA memory in the memory map */ @@ -85,15 +85,15 @@ static void mch_domain_read_resources(struct device *dev) (unsigned int)uma_memory_base); } - tseg_sizek = decode_tseg_size(pci_read_config8(d0f0, ESMRAMC)) >> 10; - printk(BIOS_DEBUG, "TSEG decoded, subtracting %dM\n", tseg_sizek >> 10); + tseg_sizek = decode_tseg_size(pci_read_config8(d0f0, ESMRAMC)) / KiB; + printk(BIOS_DEBUG, "TSEG decoded, subtracting %dM\n", tseg_sizek / KiB); tomk_stolen -= tseg_sizek; tseg_memory_base = tomk_stolen * 1024ULL; tseg_memory_size = tseg_sizek * 1024ULL; /* cbmem_top can be shifted downwards due to alignment. Mark the region between cbmem_top and tomk as unusable */ - cbmem_topk = ((uint32_t)cbmem_top() >> 10); + cbmem_topk = ((uint32_t)cbmem_top() / KiB); delta_cbmem = tomk_stolen - cbmem_topk; tomk_stolen -= delta_cbmem; @@ -103,16 +103,16 @@ static void mch_domain_read_resources(struct device *dev) * number is always 0 */ printk(BIOS_INFO, "Available memory: %dK", (uint32_t)tomk_stolen); - printk(BIOS_INFO, " (%dM)\n", (uint32_t)(tomk_stolen >> 10)); + printk(BIOS_INFO, " (%dM)\n", (uint32_t)(tomk_stolen / KiB)); /* Report the memory regions */ - ram_resource(dev, 3, 0, 640); - ram_resource(dev, 4, 768, (tomk - 768)); - uma_resource(dev, 5, uma_memory_base >> 10, uma_memory_size >> 10); - mmio_resource(dev, 6, tseg_memory_base >> 10, tseg_memory_size >> 10); + ram_resource(dev, 3, 0, 0xa0000 / KiB); + ram_resource(dev, 4, 0xc0000 / KiB, (tomk - 0xc0000 / KiB)); + uma_resource(dev, 5, uma_memory_base / KiB, uma_memory_size / KiB); + mmio_resource(dev, 6, tseg_memory_base / KiB, tseg_memory_size / KiB); uma_resource(dev, 7, cbmem_topk, delta_cbmem); /* legacy VGA memory */ - mmio_resource(dev, 8, 640, 768 - 640); + mmio_resource(dev, 8, 0xa0000 / KiB, (0xc0000 - 0xa0000) / KiB); } static void mch_domain_set_resources(struct device *dev) |