diff options
| -rw-r--r-- | nicintel_spi.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/nicintel_spi.c b/nicintel_spi.c index bbe0afb6..3c43e8b1 100644 --- a/nicintel_spi.c +++ b/nicintel_spi.c @@ -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; } |