diff options
| -rw-r--r-- | drivers/block/mxc_ata.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/block/mxc_ata.c b/drivers/block/mxc_ata.c index f22f4f4..35bc656 100644 --- a/drivers/block/mxc_ata.c +++ b/drivers/block/mxc_ata.c @@ -96,7 +96,6 @@ static uint16_t pio_tA[NR_PIO_SPECS] = { 50, 50, 50, 50, 50 }; #define REG2OFF(reg) ((((uint32_t)reg) & 0x3) * 8) static void set_ata_bus_timing(unsigned char mode) { - uint32_t val; uint32_t T = 1000000000 / mxc_get_clock(MXC_IPG_CLK); struct mxc_ata_config_regs *ata_regs; @@ -106,22 +105,19 @@ static void set_ata_bus_timing(unsigned char mode) return; /* Write TIME_OFF/ON/1/2W */ - val = (3 << REG2OFF(&ata_regs->time_off)) | - (3 << REG2OFF(&ata_regs->time_on)) | - (((pio_t1[mode] + T) / T) << REG2OFF(&ata_regs->time_1)) | - (((pio_t2_8[mode] + T) / T) << REG2OFF(&ata_regs->time_2w)); - writel(val, &ata_regs->time_off); + writeb(3, &ata_regs->time_off); + writeb(3, &ata_regs->time_on); + writeb((pio_t1[mode] + T) / T, &ata_regs->time_1); + writeb((pio_t2_8[mode] + T) / T, &ata_regs->time_2w); /* Write TIME_2R/AX/RDX/4 */ - val = (((pio_t2_8[mode] + T) / T) << REG2OFF(&ata_regs->time_2r)) | - (((pio_tA[mode] + T) / T + 2) << REG2OFF(&ata_regs->time_ax)) | - (1 << REG2OFF(&ata_regs->time_pio_rdx)) | - (((pio_t4[mode] + T) / T) << REG2OFF(&ata_regs->time_4)); - writel(val, &ata_regs->time_2r); + writeb((pio_t2_8[mode] + T) / T, &ata_regs->time_2r); + writeb((pio_tA[mode] + T) / T + 2, &ata_regs->time_ax); + writeb(1, &ata_regs->time_pio_rdx); + writeb((pio_t4[mode] + T) / T, &ata_regs->time_4); /* Write TIME_9 ; the rest of timing registers is irrelevant for PIO */ - val = (((pio_t9[mode] + T) / T) << REG2OFF(&ata_regs->time_9)); - writel(val, &ata_regs->time_9); + writeb((pio_t9[mode] + T) / T, &ata_regs->time_9); } int ide_preinit(void) |