// SPDX-License-Identifier: GPL-2.0-only /* * Legacy platform_data quirks * * Copyright (C) 2013 Texas Instruments */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "clockdomain.h" #include "common.h" #include "common-board-devices.h" #include "control.h" #include "omap_device.h" #include "omap-secure.h" #include "soc.h" static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2]; struct pdata_init { const char *compatible; void (*fn)(void); }; static struct of_dev_auxdata omap_auxdata_lookup[]; static struct twl4030_gpio_platform_data twl_gpio_auxdata; #if IS_ENABLED(CONFIG_OMAP_IOMMU) int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, bool request, u8 *pwrst); #else static inline int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, bool request, u8 *pwrst) { return 0; } #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 /* * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V * mode for MMC1 in case bootloader did not configure things. * Note that if the pins are used for MMC1, pbias-regulator * manages the IO voltage. */ static void __init omap3_gpio126_127_129(void) { u32 reg; reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE); reg &= ~OMAP343X_PBIASLITEVMODE1; reg |= OMAP343X_PBIASLITEPWRDNZ1; omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE); if (cpu_is_omap3630()) { reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL); reg |= OMAP36XX_GPIO_IO_PWRDNZ; omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL); } } static void __init hsmmc2_internal_input_clk(void) { u32 reg; reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1); reg |= OMAP2_MMCSDIO2ADPCLKISEL; omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1); } #ifdef CONFIG_OMAP_HWMOD static struct iommu_platform_data omap3_iommu_pdata = { .reset_name = "mmu", .assert_reset = omap_device_assert_hardreset, .deassert_reset = omap_device_deassert_hardreset, .device_enable = omap_device_enable, .device_idle = omap_device_idle, }; static struct iommu_platform_data omap3_iommu_isp_pdata = { .device_enable = omap_device_enable, .device_idle = omap_device_idle, }; #endif 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 pwr"); if (res) return res; gpio_export(gpio, 0); return 0; } static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name) { int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name); if (err) { pr_err("SBC-T3x: %s reset gpio request failed: %d\n", hub_name, err); return; } gpio_export(gpio, 0); udelay(10); gpio_set_value(gpio, 1); msleep(1); } 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) { omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); } static void __init omap3_sbc_t3530_legacy_init(void) { omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); } static void __init omap3_evm_legacy_init(void) { hsmmc2_internal_input_clk(); } 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 am35xx_emac_reset(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 struct gpio cm_t3517_wlan_gpios[] __initdata = { { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" }, { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" }, }; static void __init omap3_sbc_t3517_wifi_init(void) { int err = gpio_request_array(cm_t3517_wlan_gpios, ARRAY_SIZE(cm_t3517_wlan_gpios)); if (err) { pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err); return; } gpio_export(cm_t3517_wlan_gpios[0].gpio, 0); gpio_export(cm_t3517_wlan_gpios[1].gpio, 0); msleep(100); gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0); } static void __init omap3_sbc_t3517_legacy_init(void) { omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub"); omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub"); am35xx_emac_reset(); hsmmc2_internal_input_clk(); omap3_sbc_t3517_wifi_init(); } static void __init am3517_evm_legacy_init(void) { am35xx_emac_reset(); } static void __init nokia_n900_legacy_init(void) { hsmmc2_internal_input_clk(); mmc_pdata[0].name = "external"; mmc_pdata[1].name = "internal"; if (omap_type() != OMAP2_DEVICE_TYPE_GP) { 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_warn("RX-51: Not enabling ARM errata 430973 workaround\n"); pr_warn("Thumb binaries may crash randomly without this workaround\n"); } } } static void __init omap3_tao3530_legacy_init(void) { hsmmc2_internal_input_clk(); } static void __init omap3_logicpd_torpedo_init(void) { omap3_gpio126_127_129(); } /* omap3pandora legacy devices */ static struct platform_device pandora_backlight = { .name = "pandora-backlight", .id = -1, }; static void __init omap3_pandora_legacy_init(void) { platform_device_register(&pandora_backlight); } #endif /* CONFIG_ARCH_OMAP3 */ #ifdef CONFIG_SOC_OMAP5 static void __init omap5_uevm_legacy_init(void) { } #endif #ifdef CONFIG_SOC_DRA7XX static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = { .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint, }; static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1; static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2; static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3; static void __init dra7x_evm_mmc_quirk(void) { if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) { dra7_hsmmc_data_mmc1.version = "rev11"; dra7_hsmmc_data_mmc1.max_freq = 96000000; dra7_hsmmc_data_mmc2.version = "rev11"; dra7_hsmmc_data_mmc2.max_freq = 48000000; dra7_hsmmc_data_mmc3.version = "rev11"; dra7_hsmmc_data_mmc3.max_freq = 48000000; } } #endif static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk) { struct clk_hw *hw = __clk_get_hw(clk); struct clockdomain *clkdm = NULL; struct clk_hw_omap *hwclk; hwclk = to_clk_hw_omap(hw); if (!omap2_clk_is_hw_omap(hw)) return NULL; if (hwclk && hwclk->clkdm_name) clkdm = clkdm_lookup(hwclk->clkdm_name); return clkdm; } /** * ti_sysc_clkdm_init - find clockdomain based on clock * @fck: device functional clock * @ick: device interface clock * @dev: struct device * * Populate clockdomain based on clock. It is needed for * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain * clockdomain idle during reset, enable and idle. * * Note that we assume interconnect driver manages the clocks * and do not need to populate oh->_clk for dynamically * allocated modules. */ static int ti_sysc_clkdm_init(struct device *dev, struct clk *fck, struct clk *ick, struct ti_sysc_cookie *cookie) { if (!IS_ERR(fck)) cookie->clkdm = ti_sysc_find_one_clockdomain(fck); if (cookie->clkdm) return 0; if (!IS_ERR(ick)) cookie->clkdm = ti_sysc_find_one_clockdomain(ick); if (cookie->clkdm) return 0; return -ENODEV; } static void ti_sysc_clkdm_deny_idle(struct device *dev, const struct ti_sysc_cookie *cookie) { if (cookie->clkdm) clkdm_deny_idle(cookie->clkdm); } static void ti_sysc_clkdm_allow_idle(struct device *dev, const struct ti_sysc_cookie *cookie) { if (cookie->clkdm) clkdm_allow_idle(cookie->clkdm); } #ifdef CONFIG_OMAP_HWMOD static int ti_sysc_enable_module(struct device *dev, const struct ti_sysc_cookie *cookie) { if (!cookie->data) return -EINVAL; return omap_hwmod_enable(cookie->data); } static int ti_sysc_idle_module(struct device *dev, const struct ti_sysc_cookie *cookie) { if (!cookie->data) return -EINVAL; return omap_hwmod_idle(cookie->data); } static int ti_sysc_shutdown_module(struct device *dev, const struct ti_sysc_cookie *cookie) { if (!cookie->data) return -EINVAL; return omap_hwmod_shutdown(cookie->data); } #endif /* CONFIG_OMAP_HWMOD */ static bool ti_sysc_soc_type_gp(void) { return omap_type() == OMAP2_DEVICE_TYPE_GP; } static struct of_dev_auxdata omap_auxdata_lookup[]; static struct ti_sysc_platform_data ti_sysc_pdata = { .auxdata = omap_auxdata_lookup, .soc_type_gp = ti_sysc_soc_type_gp, .init_clockdomain = ti_sysc_clkdm_init, .clkdm_deny_idle = ti_sysc_clkdm_deny_idle, .clkdm_allow_idle = ti_sysc_clkdm_allow_idle, #ifdef CONFIG_OMAP_HWMOD .init_module = omap_hwmod_init_module, .enable_module = ti_sysc_enable_module, .idle_module = ti_sysc_idle_module, .shutdown_module = ti_sysc_shutdown_module, #endif }; static struct pcs_pdata pcs_pdata; void omap_pcs_legacy_init(int irq, void (*rearm)(void)) { pcs_pdata.irq = irq; pcs_pdata.rearm = rearm; } static struct ti_prm_platform_data ti_prm_pdata = { .clkdm_deny_idle = clkdm_deny_idle, .clkdm_allow_idle = clkdm_allow_idle, .clkdm_lookup = clkdm_lookup, }; /* * 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; } #if defined(CONFIG_ARCH_OMAP3) && IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP) static struct omap_mcbsp_platform_data mcbsp_pdata; static void __init omap3_mcbsp_init(void) { omap3_mcbsp_init_pdata_callback(&mcbsp_pdata); } #else static void __init omap3_mcbsp_init(void) {} #endif /* * 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 omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR]; static struct of_dev_auxdata omap_auxdata_lookup[] = { #ifdef CONFIG_MACH_NOKIA_N8X0 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL), OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data), OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data), #endif #ifdef CONFIG_ARCH_OMAP3 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu", &omap3_iommu_pdata), OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu", &omap3_iommu_isp_pdata), OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000, "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]), OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000, "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]), OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]), OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]), /* 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), OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call), /* McBSP modules with sidetone core */ #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP) OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata), OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata), #endif #endif #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000, "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]), OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000, "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]), OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000, "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]), #endif #ifdef CONFIG_SOC_DRA7XX OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc", &dra7_hsmmc_data_mmc1), OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc", &dra7_hsmmc_data_mmc2), OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc", &dra7_hsmmc_data_mmc3), OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu", &dra7_ipu1_dsp_iommu_pdata), OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu", &dra7_ipu1_dsp_iommu_pdata), OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu", &dra7_ipu1_dsp_iommu_pdata), #endif /* Common auxdata */ OF_DEV_AUXDATA("simple-pm-bus", 0, NULL, omap_auxdata_lookup), OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata), OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata), OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata), OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info), { /* 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 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, }, { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, }, { "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, }, { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, }, { "ti,omap3-evm-37xx", omap3_evm_legacy_init, }, { "ti,am3517-evm", am3517_evm_legacy_init, }, { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, }, { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, }, { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, }, #endif #ifdef CONFIG_SOC_OMAP5 { "ti,omap5-uevm", omap5_uevm_legacy_init, }, #endif #ifdef CONFIG_SOC_DRA7XX { "ti,dra7-evm", dra7x_evm_mmc_quirk, }, #endif { /* sentinel */ }, }; static void pdata_quirks_check(struct pdata_init *quirks) { while (quirks->compatible) { if (of_machine_is_compatible(quirks->compatible)) { if (quirks->fn) quirks->fn(); } quirks++; } } static const char * const pdata_quirks_init_nodes[] = { "prcm", "prm", }; static void __init pdata_quirks_init_clocks(const struct of_device_id *omap_dt_match_table) { struct device_node *np; int i; for (i = 0; i < ARRAY_SIZE(pdata_quirks_init_nodes); i++) { np = of_find_node_by_name(NULL, pdata_quirks_init_nodes[i]); if (!np) continue; of_platform_populate(np, omap_dt_match_table, omap_auxdata_lookup, NULL); of_node_put(np); } } void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table) { /* * We still need this for omap2420 and omap3 PM to work, others are * using drivers/misc/sram.c already. */ if (of_machine_is_compatible("ti,omap2420") || of_machine_is_compatible("ti,omap3")) omap_sdrc_init(NULL, NULL); if (of_machine_is_compatible("ti,omap3")) omap3_mcbsp_init(); pdata_quirks_check(auxdata_quirks); pdata_quirks_init_clocks(omap_dt_match_table); of_platform_populate(NULL, omap_dt_match_table, omap_auxdata_lookup, NULL); pdata_quirks_check(pdata_quirks); }