diff options
| author | Simon Glass <sjg@chromium.org> | 2019-12-06 21:42:42 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2019-12-15 11:44:22 +0800 |
| commit | 75214b051bfbbdafa5134b4320b9e4ae6ee9b22d (patch) | |
| tree | 7f5482d4229c448a2d6d8b2fbffea7f4298cb7ae /drivers/spi/ich.c | |
| parent | a550662c270eb66b373498dae0cea2456fb30e22 (diff) | |
spi: ich: Add mmio_base to struct ich_spi_platdata
It is useful to store the mmio base in platdata. It reduces the amount of
casting needed. Update the code and move the struct to the C file at the
same time, as we will need to use with of-platdata.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/spi/ich.c')
| -rw-r--r-- | drivers/spi/ich.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c index b83dfb854d..08c37ca4ab 100644 --- a/drivers/spi/ich.c +++ b/drivers/spi/ich.c @@ -27,6 +27,12 @@ #define debug_trace(x, args...) #endif +struct ich_spi_platdata { + enum ich_version ich_version; /* Controller version, 7 or 9 */ + bool lockdown; /* lock down controller settings? */ + ulong mmio_base; /* Base of MMIO registers */ +}; + static u8 ich_readb(struct ich_spi_priv *priv, int reg) { u8 value = readb(priv->base + reg); @@ -467,16 +473,9 @@ static int ich_init_controller(struct udevice *dev, struct ich_spi_platdata *plat, struct ich_spi_priv *ctlr) { - ulong sbase_addr; - void *sbase; - - /* SBASE is similar */ - pch_get_spi_base(dev->parent, &sbase_addr); - sbase = (void *)sbase_addr; - debug("%s: sbase=%p\n", __func__, sbase); - + ctlr->base = (void *)plat->mmio_base; if (plat->ich_version == ICHV_7) { - struct ich7_spi_regs *ich7_spi = sbase; + struct ich7_spi_regs *ich7_spi = ctlr->base; ctlr->opmenu = offsetof(struct ich7_spi_regs, opmenu); ctlr->menubytes = sizeof(ich7_spi->opmenu); @@ -488,9 +487,8 @@ static int ich_init_controller(struct udevice *dev, ctlr->control = offsetof(struct ich7_spi_regs, spic); ctlr->bbar = offsetof(struct ich7_spi_regs, bbar); ctlr->preop = offsetof(struct ich7_spi_regs, preop); - ctlr->base = ich7_spi; } else if (plat->ich_version == ICHV_9) { - struct ich9_spi_regs *ich9_spi = sbase; + struct ich9_spi_regs *ich9_spi = ctlr->base; ctlr->opmenu = offsetof(struct ich9_spi_regs, opmenu); ctlr->menubytes = sizeof(ich9_spi->opmenu); @@ -505,7 +503,6 @@ static int ich_init_controller(struct udevice *dev, ctlr->preop = offsetof(struct ich9_spi_regs, preop); ctlr->bcr = offsetof(struct ich9_spi_regs, bcr); ctlr->pr = &ich9_spi->pr[0]; - ctlr->base = ich9_spi; } else { debug("ICH SPI: Unrecognised ICH version %d\n", plat->ich_version); @@ -516,8 +513,8 @@ static int ich_init_controller(struct udevice *dev, ctlr->max_speed = 20000000; if (plat->ich_version == ICHV_9 && ich9_can_do_33mhz(dev)) ctlr->max_speed = 33000000; - debug("ICH SPI: Version ID %d detected at %p, speed %ld\n", - plat->ich_version, ctlr->base, ctlr->max_speed); + debug("ICH SPI: Version ID %d detected at %lx, speed %ld\n", + plat->ich_version, plat->mmio_base, ctlr->max_speed); ich_set_bbar(ctlr, 0); @@ -605,6 +602,8 @@ 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); + return 0; } |