diff options
| author | Simon Glass <sjg@chromium.org> | 2019-12-06 21:42:45 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2019-12-15 11:44:23 +0800 |
| commit | 0d3ee3e199650d0bd43aca5e85080997f5772d3c (patch) | |
| tree | de180a762659271077e05638abaa9a7204b4be09 /drivers | |
| parent | 43c145b8b3eeb77a31d3dd4810929b14c29003de (diff) | |
spi: ich: Support of-platdata for fast-spi
The Intel Fast SPI interface is similar to ICH. Add of-platdata support
for this using the "intel,fast-spi" compatible string.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/ich.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c index 17b7a0ba0b..7d66b900c8 100644 --- a/drivers/spi/ich.c +++ b/drivers/spi/ich.c @@ -10,6 +10,7 @@ #include <common.h> #include <div64.h> #include <dm.h> +#include <dt-structs.h> #include <errno.h> #include <malloc.h> #include <pch.h> @@ -28,9 +29,13 @@ #endif struct ich_spi_platdata { +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct dtd_intel_fast_spi dtplat; +#endif enum ich_version ich_version; /* Controller version, 7 or 9 */ bool lockdown; /* lock down controller settings? */ ulong mmio_base; /* Base of MMIO registers */ + pci_dev_t bdf; /* PCI address used by of-platdata */ }; static u8 ich_readb(struct ich_spi_priv *priv, int reg) @@ -594,6 +599,8 @@ static int ich_spi_child_pre_probe(struct udevice *dev) static int ich_spi_ofdata_to_platdata(struct udevice *dev) { struct ich_spi_platdata *plat = dev_get_platdata(dev); + +#if !CONFIG_IS_ENABLED(OF_PLATDATA) struct ich_spi_priv *priv = dev_get_priv(dev); /* Find a PCH if there is one */ @@ -603,8 +610,13 @@ static int ich_spi_ofdata_to_platdata(struct udevice *dev) plat->ich_version = dev_get_driver_data(dev); plat->lockdown = dev_read_bool(dev, "intel,spi-lock-down"); - pch_get_spi_base(priv->pch, &plat->mmio_base); +#else + plat->ich_version = ICHV_APL; + plat->mmio_base = plat->dtplat.early_regs[0]; + plat->bdf = pci_ofplat_get_devfn(plat->dtplat.reg[0]); +#endif + debug("%s: mmio_base=%lx\n", __func__, plat->mmio_base); return 0; } @@ -632,8 +644,8 @@ static const struct udevice_id ich_spi_ids[] = { { } }; -U_BOOT_DRIVER(ich_spi) = { - .name = "ich_spi", +U_BOOT_DRIVER(intel_fast_spi) = { + .name = "intel_fast_spi", .id = UCLASS_SPI, .of_match = ich_spi_ids, .ops = &ich_spi_ops, |