* published by the Free Software Foundation.
*/
#include <linux/clk.h>
+#include <linux/davinci_emac.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_data/pinctrl-single.h>
+#include "am35xx.h"
#include "common.h"
#include "common-board-devices.h"
#include "dss-common.h"
#include "control.h"
+#include "omap-secure.h"
+#include "soc.h"
struct pdata_init {
const char *compatible;
void (*fn)(void);
};
+struct of_dev_auxdata omap_auxdata_lookup[];
+static struct twl4030_gpio_platform_data twl_gpio_auxdata;
+
/*
* Create alias for USB host PHY clock.
* Remove this when clock phandle can be provided via DT
}
#endif
+#ifdef CONFIG_MACH_NOKIA_N8X0
+static void __init omap2420_n8x0_legacy_init(void)
+{
+ omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
+}
+#else
+#define omap2420_n8x0_legacy_init NULL
+#endif
+
#ifdef CONFIG_ARCH_OMAP3
static void __init hsmmc2_internal_input_clk(void)
{
omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
}
+static int omap3_sbc_t3730_twl_callback(struct device *dev,
+ unsigned gpio,
+ unsigned ngpio)
+{
+ int res;
+
+ res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
+ "wlan rst");
+ if (res)
+ return res;
+
+ gpio_export(gpio, 0);
+
+ return 0;
+}
+
+static void __init omap3_sbc_t3730_twl_init(void)
+{
+ twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
+}
+
+static void __init omap3_sbc_t3730_legacy_init(void)
+{
+ legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
+ omap_ads7846_init(1, 57, 0, NULL);
+}
+
static void __init omap3_igep0020_legacy_init(void)
{
omap3_igep2_display_init_of();
{
legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
}
+
+static void am35xx_enable_emac_int(void)
+{
+ u32 v;
+
+ v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
+ v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
+ AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
+ omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
+ omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
+}
+
+static void am35xx_disable_emac_int(void)
+{
+ u32 v;
+
+ v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
+ v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
+ omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
+ omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
+}
+
+static struct emac_platform_data am35xx_emac_pdata = {
+ .interrupt_enable = am35xx_enable_emac_int,
+ .interrupt_disable = am35xx_disable_emac_int,
+};
+
+static void __init am3517_evm_legacy_init(void)
+{
+ u32 v;
+
+ v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
+ v &= ~AM35XX_CPGMACSS_SW_RST;
+ omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
+ omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
+}
+
+static void __init nokia_n900_legacy_init(void)
+{
+ hsmmc2_internal_input_clk();
+
+ if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
+ if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
+ pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
+ /* set IBE to 1 */
+ rx51_secure_update_aux_cr(BIT(6), 0);
+ } else {
+ pr_warning("RX-51: Not enabling ARM errata 430973 workaround\n");
+ pr_warning("Thumb binaries may crash randomly without this workaround\n");
+ }
+ }
+}
#endif /* CONFIG_ARCH_OMAP3 */
#ifdef CONFIG_ARCH_OMAP4
pcs_pdata.rearm = rearm;
}
+/*
+ * GPIOs for TWL are initialized by the I2C bus and need custom
+ * handing until DSS has device tree bindings.
+ */
+void omap_auxdata_legacy_init(struct device *dev)
+{
+ if (dev->platform_data)
+ return;
+
+ if (strcmp("twl4030-gpio", dev_name(dev)))
+ return;
+
+ dev->platform_data = &twl_gpio_auxdata;
+}
+
+/*
+ * Few boards still need auxdata populated before we populate
+ * the dev entries in of_platform_populate().
+ */
+static struct pdata_init auxdata_quirks[] __initdata = {
+#ifdef CONFIG_SOC_OMAP2420
+ { "nokia,n800", omap2420_n8x0_legacy_init, },
+ { "nokia,n810", omap2420_n8x0_legacy_init, },
+ { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
+#endif
+#ifdef CONFIG_ARCH_OMAP3
+ { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
+#endif
+ { /* sentinel */ },
+};
+
struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
+#ifdef CONFIG_MACH_NOKIA_N8X0
+ OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
+#endif
#ifdef CONFIG_ARCH_OMAP3
OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
+ OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
+ /* Only on am3517 */
+ OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
+ OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
+ &am35xx_emac_pdata),
#endif
#ifdef CONFIG_ARCH_OMAP4
OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
{ /* sentinel */ },
};
+/*
+ * Few boards still need to initialize some legacy devices with
+ * platform data until the drivers support device tree.
+ */
static struct pdata_init pdata_quirks[] __initdata = {
#ifdef CONFIG_ARCH_OMAP3
- { "nokia,omap3-n900", hsmmc2_internal_input_clk, },
+ { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
+ { "nokia,omap3-n900", nokia_n900_legacy_init, },
{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
{ "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
{ "ti,omap3-zoom3", omap3_zoom_legacy_init, },
+ { "ti,am3517-evm", am3517_evm_legacy_init, },
#endif
#ifdef CONFIG_ARCH_OMAP4
{ "ti,omap4-sdp", omap4_sdp_legacy_init, },
{ /* sentinel */ },
};
-void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
+static void pdata_quirks_check(struct pdata_init *quirks)
{
- struct pdata_init *quirks = pdata_quirks;
-
- omap_sdrc_init(NULL, NULL);
- of_platform_populate(NULL, omap_dt_match_table,
- omap_auxdata_lookup, NULL);
-
while (quirks->compatible) {
if (of_machine_is_compatible(quirks->compatible)) {
if (quirks->fn)
quirks++;
}
}
+
+void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
+{
+ omap_sdrc_init(NULL, NULL);
+ pdata_quirks_check(auxdata_quirks);
+ of_platform_populate(NULL, omap_dt_match_table,
+ omap_auxdata_lookup, NULL);
+ pdata_quirks_check(pdata_quirks);
+}
projects / ~andy / linux / blobdiff