| H A D | omap-gpmc.c | 31 #include <linux/omap-gpmc.h>
40 #define DEVICE_NAME "omap-gpmc"
207 /* Structure to save gpmc cs context */
220 * Structure to save/restore gpmc context
415 * @name: DTS node name, w/o "gpmc,"
419 * raw format: gpmc,name = <value>
420 * tick format: gpmc,name = <value> /‍* x ns -- y ns; x ticks *‍/
460 pr_info("gpmc,%s = <%u> /* %u ns - %u ns; %i ticks%s*/\n", get_gpmc_timing_reg()
465 pr_info("gpmc,%s = <%u>%s\n", name, l, get_gpmc_timing_reg()
492 pr_info("gpmc cs%i %s:\n", cs, desc); gpmc_show_regs()
502 * Note that gpmc,wait-pin handing wrongly assumes bit 8 is available,
509 pr_info("gpmc cs%i access configuration:\n", cs); gpmc_cs_show_timings()
522 GPMC_GET_RAW_BOOL(GPMC_CS_CONFIG1, 29, 29, "gpmc,sync-read"); gpmc_cs_show_timings()
536 pr_info("gpmc cs%i timings configuration:\n", cs); gpmc_cs_show_timings()
706 * Calculate GPMCFCLKDIVIDER independent of gpmc,sync-clk-ps in DT for gpmc_cs_set_timings()
846 struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; gpmc_cs_set_reserved() local
848 gpmc->flags |= GPMC_CS_RESERVED; gpmc_cs_set_reserved()
853 struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; gpmc_cs_reserved() local
855 return gpmc->flags & GPMC_CS_RESERVED; gpmc_cs_reserved()
860 struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; gpmc_cs_set_name() local
862 gpmc->name = name; gpmc_cs_set_name()
867 struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; gpmc_cs_get_name() local
869 return gpmc->name; gpmc_cs_get_name()
888 struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; gpmc_cs_insert_mem() local
889 struct resource *res = &gpmc->mem; gpmc_cs_insert_mem()
904 struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; gpmc_cs_delete_mem() local
905 struct resource *res = &gpmc->mem; gpmc_cs_delete_mem()
962 struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; gpmc_cs_request() local
963 struct resource *res = &gpmc->mem; gpmc_cs_request()
1008 struct gpmc_cs_data *gpmc = &gpmc_cs[cs]; gpmc_cs_free() local
1009 struct resource *res = &gpmc->mem; gpmc_cs_free()
1027 * gpmc_configure - write request to configure gpmc
1162 gpmc_irq_chip.name = "gpmc"; gpmc_setup_irq()
1189 return request_irq(gpmc_irq, gpmc_handle_irq, 0, "gpmc", NULL); gpmc_setup_irq()
1655 { .compatible = "ti,omap2420-gpmc" },
1656 { .compatible = "ti,omap2430-gpmc" },
1657 { .compatible = "ti,omap3430-gpmc" }, /* omap3430 & omap3630 */
1658 { .compatible = "ti,omap4430-gpmc" }, /* omap4430 & omap4460 & omap543x */
1659 { .compatible = "ti,am3352-gpmc" }, /* am335x devices */
1665 * gpmc_read_settings_dt - read gpmc settings from device-tree
1666 * @np: pointer to device-tree node for a gpmc child device
1667 * @p: pointer to gpmc settings structure
1678 p->sync_read = of_property_read_bool(np, "gpmc,sync-read"); gpmc_read_settings_dt()
1679 p->sync_write = of_property_read_bool(np, "gpmc,sync-write"); gpmc_read_settings_dt()
1680 of_property_read_u32(np, "gpmc,device-width", &p->device_width); gpmc_read_settings_dt()
1681 of_property_read_u32(np, "gpmc,mux-add-data", &p->mux_add_data); gpmc_read_settings_dt()
1683 if (!of_property_read_u32(np, "gpmc,burst-length", &p->burst_len)) { gpmc_read_settings_dt()
1684 p->burst_wrap = of_property_read_bool(np, "gpmc,burst-wrap"); gpmc_read_settings_dt()
1685 p->burst_read = of_property_read_bool(np, "gpmc,burst-read"); gpmc_read_settings_dt()
1686 p->burst_write = of_property_read_bool(np, "gpmc,burst-write"); gpmc_read_settings_dt()
1692 if (!of_property_read_u32(np, "gpmc,wait-pin", &p->wait_pin)) { gpmc_read_settings_dt()
1694 "gpmc,wait-on-read"); gpmc_read_settings_dt()
1696 "gpmc,wait-on-write"); gpmc_read_settings_dt()
1714 of_property_read_u32(np, "gpmc,sync-clk-ps", &gpmc_t->sync_clk); gpmc_read_timings_dt()
1717 of_property_read_u32(np, "gpmc,cs-on-ns", &gpmc_t->cs_on); gpmc_read_timings_dt()
1718 of_property_read_u32(np, "gpmc,cs-rd-off-ns", &gpmc_t->cs_rd_off); gpmc_read_timings_dt()
1719 of_property_read_u32(np, "gpmc,cs-wr-off-ns", &gpmc_t->cs_wr_off); gpmc_read_timings_dt()
1722 of_property_read_u32(np, "gpmc,adv-on-ns", &gpmc_t->adv_on); gpmc_read_timings_dt()
1723 of_property_read_u32(np, "gpmc,adv-rd-off-ns", &gpmc_t->adv_rd_off); gpmc_read_timings_dt()
1724 of_property_read_u32(np, "gpmc,adv-wr-off-ns", &gpmc_t->adv_wr_off); gpmc_read_timings_dt()
1727 of_property_read_u32(np, "gpmc,we-on-ns", &gpmc_t->we_on); gpmc_read_timings_dt()
1728 of_property_read_u32(np, "gpmc,we-off-ns", &gpmc_t->we_off); gpmc_read_timings_dt()
1731 of_property_read_u32(np, "gpmc,oe-on-ns", &gpmc_t->oe_on); gpmc_read_timings_dt()
1732 of_property_read_u32(np, "gpmc,oe-off-ns", &gpmc_t->oe_off); gpmc_read_timings_dt()
1735 of_property_read_u32(np, "gpmc,page-burst-access-ns", gpmc_read_timings_dt()
1737 of_property_read_u32(np, "gpmc,access-ns", &gpmc_t->access); gpmc_read_timings_dt()
1738 of_property_read_u32(np, "gpmc,rd-cycle-ns", &gpmc_t->rd_cycle); gpmc_read_timings_dt()
1739 of_property_read_u32(np, "gpmc,wr-cycle-ns", &gpmc_t->wr_cycle); gpmc_read_timings_dt()
1740 of_property_read_u32(np, "gpmc,bus-turnaround-ns", gpmc_read_timings_dt()
1742 of_property_read_u32(np, "gpmc,cycle2cycle-delay-ns", gpmc_read_timings_dt()
1744 of_property_read_u32(np, "gpmc,wait-monitoring-ns", gpmc_read_timings_dt()
1746 of_property_read_u32(np, "gpmc,clk-activation-ns", gpmc_read_timings_dt()
1750 of_property_read_u32(np, "gpmc,wr-access-ns", &gpmc_t->wr_access); gpmc_read_timings_dt()
1751 of_property_read_u32(np, "gpmc,wr-data-mux-bus-ns", gpmc_read_timings_dt()
1758 of_property_read_bool(np, "gpmc,cycle2cycle-diffcsen"); gpmc_read_timings_dt()
1760 of_property_read_bool(np, "gpmc,cycle2cycle-samecsen"); gpmc_read_timings_dt()
1761 p->we_extra_delay = of_property_read_bool(np, "gpmc,we-extra-delay"); gpmc_read_timings_dt()
1762 p->oe_extra_delay = of_property_read_bool(np, "gpmc,oe-extra-delay"); gpmc_read_timings_dt()
1763 p->adv_extra_delay = of_property_read_bool(np, "gpmc,adv-extra-delay"); gpmc_read_timings_dt()
1764 p->cs_extra_delay = of_property_read_bool(np, "gpmc,cs-extra-delay"); gpmc_read_timings_dt()
1766 of_property_read_bool(np, "gpmc,time-para-granularity"); gpmc_read_timings_dt()
1906 * gpmc_probe_generic_child - configures the gpmc for a child device
1907 * @pdev: pointer to gpmc platform device
1968 /* CS must be disabled while making changes to gpmc configuration */ gpmc_probe_generic_child()
1973 * location in the gpmc address space. When booting with gpmc_probe_generic_child()
1997 dev_err(&pdev->dev, "failed to set gpmc timings for: %s\n", gpmc_probe_generic_child()
2027 dev_err(&pdev->dev, "failed to create gpmc child %s\n", child->name); gpmc_probe_generic_child()
2046 ret = of_property_read_u32(pdev->dev.of_node, "gpmc,num-cs", gpmc_probe_dt()
2060 ret = of_property_read_u32(pdev->dev.of_node, "gpmc,num-waitpins", gpmc_probe_dt()
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