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Code Issues Releases Wiki Activity

nicintel_spi: Define BIT() macro

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Replace bit shits with BIT() macro. This improves the readability of the
code.

Change-Id: I30315891f18d4d5bfbc247bb9012560479afab90
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Reviewed-on: https://review.coreboot.org/21432
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
This commit is contained in:
Ricardo Ribalda Delgado 2017-03-23 23:38:04 +01:00 committed by David Hendricks
parent 26d33d2be2
commit 75a2a79aeb
1 changed files with 12 additions and 10 deletions
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22
nicintel_spi.c
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@ -77,6 +77,8 @@
// #define FL_BUSY 30
// #define FL_ER 31
#define BIT(x) (1<<(x))
uint8_t *nicintel_spibar;
const struct dev_entry nics_intel_spi[] = {
@ -114,11 +116,11 @@ static void nicintel_request_spibus(void)
uint32_t tmp;
tmp = pci_mmio_readl(nicintel_spibar + FLA);
tmp |= 1 << FL_REQ;
tmp |= BIT(FL_REQ);
pci_mmio_writel(tmp, nicintel_spibar + FLA);
/* Wait until we are allowed to use the SPI bus. */
while (!(pci_mmio_readl(nicintel_spibar + FLA) & (1 << FL_GNT))) ;
while (!(pci_mmio_readl(nicintel_spibar + FLA) & BIT(FL_GNT))) ;
}
static void nicintel_release_spibus(void)
@ -126,7 +128,7 @@ static void nicintel_release_spibus(void)
uint32_t tmp;
tmp = pci_mmio_readl(nicintel_spibar + FLA);
tmp &= ~(1 << FL_REQ);
tmp &= ~BIT(FL_REQ);
pci_mmio_writel(tmp, nicintel_spibar + FLA);
}
@ -135,7 +137,7 @@ static void nicintel_bitbang_set_cs(int val)
uint32_t tmp;
tmp = pci_mmio_readl(nicintel_spibar + FLA);
tmp &= ~(1 << FL_CS);
tmp &= ~BIT(FL_CS);
tmp |= (val << FL_CS);
pci_mmio_writel(tmp, nicintel_spibar + FLA);
}
@ -145,7 +147,7 @@ static void nicintel_bitbang_set_sck(int val)
uint32_t tmp;
tmp = pci_mmio_readl(nicintel_spibar + FLA);
tmp &= ~(1 << FL_SCK);
tmp &= ~BIT(FL_SCK);
tmp |= (val << FL_SCK);
pci_mmio_writel(tmp, nicintel_spibar + FLA);
}
@ -155,7 +157,7 @@ static void nicintel_bitbang_set_mosi(int val)
uint32_t tmp;
tmp = pci_mmio_readl(nicintel_spibar + FLA);
tmp &= ~(1 << FL_SI);
tmp &= ~BIT(FL_SI);
tmp |= (val << FL_SI);
pci_mmio_writel(tmp, nicintel_spibar + FLA);
}
@ -225,18 +227,18 @@ static int nicintel_spi_i210_enable_flash()
uint32_t tmp;
tmp = pci_mmio_readl(nicintel_spibar + FLA);
if (tmp & (1 << FL_LOCKED)) {
if (tmp & BIT(FL_LOCKED)) {
msg_perr("Flash is in Secure Mode. Abort.\n");
return 1;
}
if (!(tmp & (1 << FL_ABORT)))
if (!(tmp & BIT(FL_ABORT)))
return 0;
tmp |= (1 << FL_CLR_ERR);
tmp |= BIT(FL_CLR_ERR);
pci_mmio_writel(tmp, nicintel_spibar + FLA);
tmp = pci_mmio_readl(nicintel_spibar + FLA);
if (!(tmp & (1 << FL_ABORT))) {
if (!(tmp & BIT(FL_ABORT))) {
msg_perr("Unable to clear Flash Access Error. Abort\n");
return 1;
}