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Store the shadow command/mode register in the softc, not a local static var.

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Submitted by:	Michal Meloun
This commit is contained in:
Ian Lepore 2015-01-11 17:00:24 +00:00
parent 3f53a2d612
commit bffed0e9c8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=276985
1 changed files with 11 additions and 3 deletions
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14
sys/arm/broadcom/bcm2835/bcm2835_sdhci.c
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@ -124,6 +124,7 @@ struct bcm_sdhci_softc {
bus_dma_tag_t sc_dma_tag;
bus_dmamap_t sc_dma_map;
vm_paddr_t sc_sdhci_buffer_phys;
uint32_t cmd_and_mode;
};
static int bcm_sdhci_probe(device_t);
@ -341,6 +342,14 @@ bcm_sdhci_read_2(device_t dev, struct sdhci_slot *slot, bus_size_t off)
struct bcm_sdhci_softc *sc = device_get_softc(dev);
uint32_t val = RD4(sc, off & ~3);
/*
* Standard 32-bit handling of command and transfer mode.
*/
if (off == SDHCI_TRANSFER_MODE) {
return (sc->cmd_and_mode >> 16);
} else if (off == SDHCI_COMMAND_FLAGS) {
return (sc->cmd_and_mode & 0x0000ffff);
}
return ((val >> (off & 3)*8) & 0xffff);
}
@ -375,16 +384,15 @@ static void
bcm_sdhci_write_2(device_t dev, struct sdhci_slot *slot, bus_size_t off, uint16_t val)
{
struct bcm_sdhci_softc *sc = device_get_softc(dev);
static uint32_t cmd_and_trandfer_mode;
uint32_t val32;
if (off == SDHCI_COMMAND_FLAGS)
val32 = cmd_and_trandfer_mode;
val32 = sc->cmd_and_mode;
else
val32 = RD4(sc, off & ~3);
val32 &= ~(0xffff << (off & 3)*8);
val32 |= (val << (off & 3)*8);
if (off == SDHCI_TRANSFER_MODE)
cmd_and_trandfer_mode = val32;
sc->cmd_and_mode = val32;
else
WR4(sc, off & ~3, val32);
}