diff options
Diffstat (limited to 'arch/arm/mach-omap2/gpmc-onenand.c')
| -rw-r--r-- | arch/arm/mach-omap2/gpmc-onenand.c | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index d102183ed9a5..206008837294 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -181,10 +181,8 @@ omap2_onenand_calc_sync_timings(struct omap_onenand_platform_data *cfg, const int t_wpl = 40; const int t_wph = 30; int min_gpmc_clk_period, t_ces, t_avds, t_avdh, t_ach, t_aavdh, t_rdyo; - u32 reg; int div, fclk_offset_ns, gpmc_clk_ns; int ticks_cez; - int cs = cfg->cs; if (cfg->flags & ONENAND_SYNC_READ) onenand_flags = ONENAND_FLAG_SYNCREAD; @@ -254,27 +252,10 @@ omap2_onenand_calc_sync_timings(struct omap_onenand_platform_data *cfg, memset(&t, 0, sizeof(t)); if (div == 1) { - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG2); - reg |= (1 << 7); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG2, reg); - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG3); - reg |= (1 << 7); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG3, reg); - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG4); - reg |= (1 << 7); - reg |= (1 << 23); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG4, reg); - } else { - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG2); - reg &= ~(1 << 7); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG2, reg); - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG3); - reg &= ~(1 << 7); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG3, reg); - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG4); - reg &= ~(1 << 7); - reg &= ~(1 << 23); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG4, reg); + t.bool_timings.cs_extra_delay = true; + t.bool_timings.adv_extra_delay = true; + t.bool_timings.oe_extra_delay = true; + t.bool_timings.we_extra_delay = true; } t.sync_clk = min_gpmc_clk_period; @@ -297,6 +278,8 @@ omap2_onenand_calc_sync_timings(struct omap_onenand_platform_data *cfg, t.rd_cycle = gpmc_ticks_to_ns(fclk_offset + (latency + 1) * div + ticks_cez); + t.clk_activation = fclk_offset_ns; + /* Write */ if (onenand_flags & ONENAND_FLAG_SYNCWRITE) { t.adv_wr_off = t.adv_rd_off; @@ -338,7 +321,6 @@ static int gpmc_set_sync_mode(int cs, struct gpmc_timings *t) (sync_read ? GPMC_CONFIG1_READTYPE_SYNC : 0) | (sync_write ? GPMC_CONFIG1_WRITEMULTIPLE_SUPP : 0) | (sync_write ? GPMC_CONFIG1_WRITETYPE_SYNC : 0) | - GPMC_CONFIG1_CLKACTIVATIONTIME(fclk_offset) | GPMC_CONFIG1_PAGE_LEN(2) | (cpu_is_omap34xx() ? 0 : (GPMC_CONFIG1_WAIT_READ_MON | |