diff options
Diffstat (limited to 'arch/sh/drivers/pci')
| -rw-r--r-- | arch/sh/drivers/pci/pcie-sh7786.c | 35 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pcie-sh7786.h | 7 |
2 files changed, 25 insertions, 17 deletions
diff --git a/arch/sh/drivers/pci/pcie-sh7786.c b/arch/sh/drivers/pci/pcie-sh7786.c index aacd0fc4cdd5..b0ef380eff28 100644 --- a/arch/sh/drivers/pci/pcie-sh7786.c +++ b/arch/sh/drivers/pci/pcie-sh7786.c @@ -304,24 +304,24 @@ static int pcie_init(struct sh7786_pcie_port *port) * LAR1/LAMR1. */ if (memsize > SZ_512M) { - __raw_writel(memphys + SZ_512M, chan->reg_base + SH4A_PCIELAR1); - __raw_writel(((memsize - SZ_512M) - SZ_256) | 1, - chan->reg_base + SH4A_PCIELAMR1); + pci_write_reg(chan, memphys + SZ_512M, SH4A_PCIELAR1); + pci_write_reg(chan, ((memsize - SZ_512M) - SZ_256) | 1, + SH4A_PCIELAMR1); memsize = SZ_512M; } else { /* * Otherwise just zero it out and disable it. */ - __raw_writel(0, chan->reg_base + SH4A_PCIELAR1); - __raw_writel(0, chan->reg_base + SH4A_PCIELAMR1); + pci_write_reg(chan, 0, SH4A_PCIELAR1); + pci_write_reg(chan, 0, SH4A_PCIELAMR1); } /* * LAR0/LAMR0 covers up to the first 512MB, which is enough to * cover all of lowmem on most platforms. */ - __raw_writel(memphys, chan->reg_base + SH4A_PCIELAR0); - __raw_writel((memsize - SZ_256) | 1, chan->reg_base + SH4A_PCIELAMR0); + pci_write_reg(chan, memphys, SH4A_PCIELAR0); + pci_write_reg(chan, (memsize - SZ_256) | 1, SH4A_PCIELAMR0); /* Finish initialization */ data = pci_read_reg(chan, SH4A_PCIETCTLR); @@ -370,7 +370,7 @@ static int pcie_init(struct sh7786_pcie_port *port) for (i = win = 0; i < chan->nr_resources; i++) { struct resource *res = chan->resources + i; resource_size_t size; - u32 enable_mask; + u32 mask; /* * We can't use the 32-bit mode windows in legacy 29-bit @@ -381,23 +381,24 @@ static int pcie_init(struct sh7786_pcie_port *port) pci_write_reg(chan, 0x00000000, SH4A_PCIEPTCTLR(win)); - size = resource_size(res); - /* * The PAMR mask is calculated in units of 256kB, which * keeps things pretty simple. */ - __raw_writel(((roundup_pow_of_two(size) / SZ_256K) - 1) << 18, - chan->reg_base + SH4A_PCIEPAMR(win)); + size = resource_size(res); + mask = (roundup_pow_of_two(size) / SZ_256K) - 1; + pci_write_reg(chan, mask << 18, SH4A_PCIEPAMR(win)); - pci_write_reg(chan, res->start, SH4A_PCIEPARL(win)); - pci_write_reg(chan, 0x00000000, SH4A_PCIEPARH(win)); + pci_write_reg(chan, RES_TO_U32_HIGH(res->start), + SH4A_PCIEPARH(win)); + pci_write_reg(chan, RES_TO_U32_LOW(res->start), + SH4A_PCIEPARL(win)); - enable_mask = MASK_PARE; + mask = MASK_PARE; if (res->flags & IORESOURCE_IO) - enable_mask |= MASK_SPC; + mask |= MASK_SPC; - pci_write_reg(chan, enable_mask, SH4A_PCIEPTCTLR(win)); + pci_write_reg(chan, mask, SH4A_PCIEPTCTLR(win)); win++; } diff --git a/arch/sh/drivers/pci/pcie-sh7786.h b/arch/sh/drivers/pci/pcie-sh7786.h index 1ee054e47eae..a2a0ca6e7cca 100644 --- a/arch/sh/drivers/pci/pcie-sh7786.h +++ b/arch/sh/drivers/pci/pcie-sh7786.h @@ -568,6 +568,13 @@ #define PCI_REG(x) ((x) + 0x40000) +#define U64_TO_U32_LOW(val) ((u32)((val) & 0x00000000ffffffffULL)) +#define U64_TO_U32_HIGH(val) ((u32)((val) >> 32)) +#define RES_TO_U32_LOW(val) \ + ((sizeof(resource_size_t) > sizeof(u32)) ? U64_TO_U32_LOW(val) : (val)) +#define RES_TO_U32_HIGH(val) \ + ((sizeof(resource_size_t) > sizeof(u32)) ? U64_TO_U32_HIGH(val) : (0)) + static inline void pci_write_reg(struct pci_channel *chan, unsigned long val, unsigned long reg) { |