Lines Matching +full:mt8173 +full:- +full:smi +full:- +full:common
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2015-2016 MediaTek Inc.
16 #include <soc/mediatek/smi.h>
17 #include <dt-bindings/memory/mt2701-larb-port.h>
18 #include <dt-bindings/memory/mtk-memory-port.h>
20 /* mt8173 */
37 * or non-security.
52 /* SMI COMMON */
89 struct mtk_smi smi; member
98 static int mtk_smi_clk_enable(const struct mtk_smi *smi) in mtk_smi_clk_enable() argument
102 ret = clk_prepare_enable(smi->clk_apb); in mtk_smi_clk_enable()
106 ret = clk_prepare_enable(smi->clk_smi); in mtk_smi_clk_enable()
110 ret = clk_prepare_enable(smi->clk_gals0); in mtk_smi_clk_enable()
114 ret = clk_prepare_enable(smi->clk_gals1); in mtk_smi_clk_enable()
121 clk_disable_unprepare(smi->clk_gals0); in mtk_smi_clk_enable()
123 clk_disable_unprepare(smi->clk_smi); in mtk_smi_clk_enable()
125 clk_disable_unprepare(smi->clk_apb); in mtk_smi_clk_enable()
129 static void mtk_smi_clk_disable(const struct mtk_smi *smi) in mtk_smi_clk_disable() argument
131 clk_disable_unprepare(smi->clk_gals1); in mtk_smi_clk_disable()
132 clk_disable_unprepare(smi->clk_gals0); in mtk_smi_clk_disable()
133 clk_disable_unprepare(smi->clk_smi); in mtk_smi_clk_disable()
134 clk_disable_unprepare(smi->clk_apb); in mtk_smi_clk_disable()
160 larb->larbid = i; in mtk_smi_larb_bind()
161 larb->mmu = &larb_mmu[i].mmu; in mtk_smi_larb_bind()
162 larb->bank = larb_mmu[i].bank; in mtk_smi_larb_bind()
166 return -ENODEV; in mtk_smi_larb_bind()
175 if (BIT(larb->larbid) & larb->larb_gen->larb_direct_to_common_mask) in mtk_smi_larb_config_port_gen2_general()
178 for_each_set_bit(i, (unsigned long *)larb->mmu, 32) { in mtk_smi_larb_config_port_gen2_general()
179 reg = readl_relaxed(larb->base + SMI_LARB_NONSEC_CON(i)); in mtk_smi_larb_config_port_gen2_general()
181 reg |= BANK_SEL(larb->bank[i]); in mtk_smi_larb_config_port_gen2_general()
182 writel(reg, larb->base + SMI_LARB_NONSEC_CON(i)); in mtk_smi_larb_config_port_gen2_general()
190 writel(*larb->mmu, larb->base + SMI_LARB_MMU_EN); in mtk_smi_larb_config_port_mt8173()
197 writel(*larb->mmu, larb->base + MT8167_SMI_LARB_MMU_EN); in mtk_smi_larb_config_port_mt8167()
203 const struct mtk_smi_larb_gen *larb_gen = larb->larb_gen; in mtk_smi_larb_config_port_gen1()
204 struct mtk_smi *common = dev_get_drvdata(larb->smi_common_dev); in mtk_smi_larb_config_port_gen1() local
208 m4u_port_id = larb_gen->port_in_larb[larb->larbid]; in mtk_smi_larb_config_port_gen1()
209 larb_port_num = larb_gen->port_in_larb[larb->larbid + 1] in mtk_smi_larb_config_port_gen1()
210 - larb_gen->port_in_larb[larb->larbid]; in mtk_smi_larb_config_port_gen1()
213 if (*larb->mmu & BIT(i)) { in mtk_smi_larb_config_port_gen1()
220 reg_val = readl(common->smi_ao_base in mtk_smi_larb_config_port_gen1()
226 common->smi_ao_base in mtk_smi_larb_config_port_gen1()
243 /* mt8173 do not need the port in larb */
285 .compatible = "mediatek,mt8167-smi-larb",
289 .compatible = "mediatek,mt8173-smi-larb",
293 .compatible = "mediatek,mt2701-smi-larb",
297 .compatible = "mediatek,mt2712-smi-larb",
301 .compatible = "mediatek,mt6779-smi-larb",
305 .compatible = "mediatek,mt8183-smi-larb",
309 .compatible = "mediatek,mt8192-smi-larb",
319 struct device *dev = &pdev->dev; in mtk_smi_larb_probe()
326 return -ENOMEM; in mtk_smi_larb_probe()
328 larb->larb_gen = of_device_get_match_data(dev); in mtk_smi_larb_probe()
330 larb->base = devm_ioremap_resource(dev, res); in mtk_smi_larb_probe()
331 if (IS_ERR(larb->base)) in mtk_smi_larb_probe()
332 return PTR_ERR(larb->base); in mtk_smi_larb_probe()
334 larb->smi.clk_apb = devm_clk_get(dev, "apb"); in mtk_smi_larb_probe()
335 if (IS_ERR(larb->smi.clk_apb)) in mtk_smi_larb_probe()
336 return PTR_ERR(larb->smi.clk_apb); in mtk_smi_larb_probe()
338 larb->smi.clk_smi = devm_clk_get(dev, "smi"); in mtk_smi_larb_probe()
339 if (IS_ERR(larb->smi.clk_smi)) in mtk_smi_larb_probe()
340 return PTR_ERR(larb->smi.clk_smi); in mtk_smi_larb_probe()
342 if (larb->larb_gen->has_gals) { in mtk_smi_larb_probe()
344 larb->smi.clk_gals0 = devm_clk_get(dev, "gals"); in mtk_smi_larb_probe()
345 if (PTR_ERR(larb->smi.clk_gals0) == -ENOENT) in mtk_smi_larb_probe()
346 larb->smi.clk_gals0 = NULL; in mtk_smi_larb_probe()
347 else if (IS_ERR(larb->smi.clk_gals0)) in mtk_smi_larb_probe()
348 return PTR_ERR(larb->smi.clk_gals0); in mtk_smi_larb_probe()
350 larb->smi.dev = dev; in mtk_smi_larb_probe()
352 smi_node = of_parse_phandle(dev->of_node, "mediatek,smi", 0); in mtk_smi_larb_probe()
354 return -EINVAL; in mtk_smi_larb_probe()
360 return -EPROBE_DEFER; in mtk_smi_larb_probe()
361 larb->smi_common_dev = &smi_pdev->dev; in mtk_smi_larb_probe()
362 link = device_link_add(dev, larb->smi_common_dev, in mtk_smi_larb_probe()
365 dev_err(dev, "Unable to link smi-common dev\n"); in mtk_smi_larb_probe()
366 return -ENODEV; in mtk_smi_larb_probe()
370 return -EINVAL; in mtk_smi_larb_probe()
382 device_link_remove(&pdev->dev, larb->smi_common_dev); in mtk_smi_larb_remove()
383 pm_runtime_disable(&pdev->dev); in mtk_smi_larb_remove()
384 component_del(&pdev->dev, &mtk_smi_larb_component_ops); in mtk_smi_larb_remove()
391 const struct mtk_smi_larb_gen *larb_gen = larb->larb_gen; in mtk_smi_larb_resume()
394 ret = mtk_smi_clk_enable(&larb->smi); in mtk_smi_larb_resume()
401 larb_gen->config_port(dev); in mtk_smi_larb_resume()
410 mtk_smi_clk_disable(&larb->smi); in mtk_smi_larb_suspend()
424 .name = "mtk-smi-larb",
461 .compatible = "mediatek,mt8173-smi-common",
465 .compatible = "mediatek,mt8167-smi-common",
469 .compatible = "mediatek,mt2701-smi-common",
473 .compatible = "mediatek,mt2712-smi-common",
477 .compatible = "mediatek,mt6779-smi-common",
481 .compatible = "mediatek,mt8183-smi-common",
485 .compatible = "mediatek,mt8192-smi-common",
493 struct device *dev = &pdev->dev; in mtk_smi_common_probe()
494 struct mtk_smi *common; in mtk_smi_common_probe() local
498 common = devm_kzalloc(dev, sizeof(*common), GFP_KERNEL); in mtk_smi_common_probe()
499 if (!common) in mtk_smi_common_probe()
500 return -ENOMEM; in mtk_smi_common_probe()
501 common->dev = dev; in mtk_smi_common_probe()
502 common->plat = of_device_get_match_data(dev); in mtk_smi_common_probe()
504 common->clk_apb = devm_clk_get(dev, "apb"); in mtk_smi_common_probe()
505 if (IS_ERR(common->clk_apb)) in mtk_smi_common_probe()
506 return PTR_ERR(common->clk_apb); in mtk_smi_common_probe()
508 common->clk_smi = devm_clk_get(dev, "smi"); in mtk_smi_common_probe()
509 if (IS_ERR(common->clk_smi)) in mtk_smi_common_probe()
510 return PTR_ERR(common->clk_smi); in mtk_smi_common_probe()
512 if (common->plat->has_gals) { in mtk_smi_common_probe()
513 common->clk_gals0 = devm_clk_get(dev, "gals0"); in mtk_smi_common_probe()
514 if (IS_ERR(common->clk_gals0)) in mtk_smi_common_probe()
515 return PTR_ERR(common->clk_gals0); in mtk_smi_common_probe()
517 common->clk_gals1 = devm_clk_get(dev, "gals1"); in mtk_smi_common_probe()
518 if (IS_ERR(common->clk_gals1)) in mtk_smi_common_probe()
519 return PTR_ERR(common->clk_gals1); in mtk_smi_common_probe()
523 * for mtk smi gen 1, we need to get the ao(always on) base to config in mtk_smi_common_probe()
524 * m4u port, and we need to enable the aync clock for transform the smi in mtk_smi_common_probe()
525 * clock into emi clock domain, but for mtk smi gen2, there's no smi ao in mtk_smi_common_probe()
528 if (common->plat->gen == MTK_SMI_GEN1) { in mtk_smi_common_probe()
530 common->smi_ao_base = devm_ioremap_resource(dev, res); in mtk_smi_common_probe()
531 if (IS_ERR(common->smi_ao_base)) in mtk_smi_common_probe()
532 return PTR_ERR(common->smi_ao_base); in mtk_smi_common_probe()
534 common->clk_async = devm_clk_get(dev, "async"); in mtk_smi_common_probe()
535 if (IS_ERR(common->clk_async)) in mtk_smi_common_probe()
536 return PTR_ERR(common->clk_async); in mtk_smi_common_probe()
538 ret = clk_prepare_enable(common->clk_async); in mtk_smi_common_probe()
543 common->base = devm_ioremap_resource(dev, res); in mtk_smi_common_probe()
544 if (IS_ERR(common->base)) in mtk_smi_common_probe()
545 return PTR_ERR(common->base); in mtk_smi_common_probe()
548 platform_set_drvdata(pdev, common); in mtk_smi_common_probe()
554 pm_runtime_disable(&pdev->dev); in mtk_smi_common_remove()
560 struct mtk_smi *common = dev_get_drvdata(dev); in mtk_smi_common_resume() local
561 u32 bus_sel = common->plat->bus_sel; in mtk_smi_common_resume()
564 ret = mtk_smi_clk_enable(common); in mtk_smi_common_resume()
566 dev_err(common->dev, "Failed to enable clock(%d).\n", ret); in mtk_smi_common_resume()
570 if (common->plat->gen == MTK_SMI_GEN2 && bus_sel) in mtk_smi_common_resume()
571 writel(bus_sel, common->base + SMI_BUS_SEL); in mtk_smi_common_resume()
577 struct mtk_smi *common = dev_get_drvdata(dev); in mtk_smi_common_suspend() local
579 mtk_smi_clk_disable(common); in mtk_smi_common_suspend()
593 .name = "mtk-smi-common",
616 MODULE_DESCRIPTION("MediaTek SMI driver");