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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u18-20020aa7d992000000b004fc43a04debsi8306694eds.294.2023.04.03.12.46.20; Mon, 03 Apr 2023 12:46:44 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=lfDHpUFk; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232364AbjDCTdy (ORCPT + 99 others); Mon, 3 Apr 2023 15:33:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231655AbjDCTdr (ORCPT ); Mon, 3 Apr 2023 15:33:47 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7DF76E7F; Mon, 3 Apr 2023 12:33:45 -0700 (PDT) Received: from jupiter.universe (dyndsl-091-248-212-192.ewe-ip-backbone.de [91.248.212.192]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sre) by madras.collabora.co.uk (Postfix) with ESMTPSA id DE785660313D; Mon, 3 Apr 2023 20:33:43 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1680550424; bh=N/cNKrsvkjXxZ3Cgmxcn9TFhixbf9GdSPlug1xbzESs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lfDHpUFkm2wyKlnufwvl47YSnBkluFHTEBRXtU5e3qYMXpwg0TKuFqYbOX6x7mx6x HUKYQk3CL4OnEi20UbgYyewnVlEYQNQc3Qub1prPxuHPfDrhp1qhF0D2EpWfGVuvyt /dOHKvDy3byqNNGi/3bYYkxiHB27Iq7wblhCjVuAqnPnGokCcOYTRQ6WsYMWIPm5gr vdMrppHaUM2clvmm68ip7mc8Gua8AluiUcX8d8ckFJubVZAncsWLr2B9I/yiJodyoy wphUKr8imhzdFIOeZKok8fyRVa5PnOaqnuiQsqdmexxWgVj3OCXyepzf0IW8eK9TzU lBF7n+pRAfy7Q== Received: by jupiter.universe (Postfix, from userid 1000) id 5039E4807E3; Mon, 3 Apr 2023 21:33:41 +0200 (CEST) From: Sebastian Reichel To: Heiko Stuebner , linux-rockchip@lists.infradead.org Cc: Peter Geis , Elaine Zhang , Finley Xiao , Jagan Teki , Michael Turquette , Stephen Boyd , Boris Brezillon , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, Vincent Legoll , Sebastian Reichel Subject: [PATCHv2 2/2] soc: rockchip: power-domain: add rk3588 mem module support Date: Mon, 3 Apr 2023 21:32:50 +0200 Message-Id: <20230403193250.108693-3-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230403193250.108693-1-sebastian.reichel@collabora.com> References: <20230403193250.108693-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762185660461270102?= X-GMAIL-MSGID: =?utf-8?q?1762185660461270102?= From: Boris Brezillon On RK3588 it's also possible to power down the memory used by the particular power domains via PMU_MEM_PWR_GATE_SFTCON. This adds support for this feature. Tested-by: Vincent Legoll Co-Developed-by: Finley Xiao Signed-off-by: Finley Xiao Signed-off-by: Boris Brezillon Signed-off-by: Sebastian Reichel --- drivers/soc/rockchip/pm_domains.c | 160 +++++++++++++++++++++++------- 1 file changed, 125 insertions(+), 35 deletions(-) diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c index 84bc022f9e5b..e3de49e671dc 100644 --- a/drivers/soc/rockchip/pm_domains.c +++ b/drivers/soc/rockchip/pm_domains.c @@ -43,8 +43,10 @@ struct rockchip_domain_info { bool active_wakeup; int pwr_w_mask; int req_w_mask; + int mem_status_mask; int repair_status_mask; u32 pwr_offset; + u32 mem_offset; u32 req_offset; }; @@ -54,6 +56,9 @@ struct rockchip_pmu_info { u32 req_offset; u32 idle_offset; u32 ack_offset; + u32 mem_pwr_offset; + u32 chain_status_offset; + u32 mem_status_offset; u32 repair_status_offset; u32 core_pwrcnt_offset; @@ -119,13 +124,15 @@ struct rockchip_pmu { .active_wakeup = wakeup, \ } -#define DOMAIN_M_O_R(_name, p_offset, pwr, status, r_status, r_offset, req, idle, ack, wakeup) \ +#define DOMAIN_M_O_R(_name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, ack, wakeup) \ { \ .name = _name, \ .pwr_offset = p_offset, \ .pwr_w_mask = (pwr) << 16, \ .pwr_mask = (pwr), \ .status_mask = (status), \ + .mem_offset = m_offset, \ + .mem_status_mask = (m_status), \ .repair_status_mask = (r_status), \ .req_offset = r_offset, \ .req_w_mask = (req) << 16, \ @@ -269,8 +276,8 @@ void rockchip_pmu_unblock(void) } EXPORT_SYMBOL_GPL(rockchip_pmu_unblock); -#define DOMAIN_RK3588(name, p_offset, pwr, status, r_status, r_offset, req, idle, wakeup) \ - DOMAIN_M_O_R(name, p_offset, pwr, status, r_status, r_offset, req, idle, idle, wakeup) +#define DOMAIN_RK3588(name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, wakeup) \ + DOMAIN_M_O_R(name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, idle, wakeup) static bool rockchip_pmu_domain_is_idle(struct rockchip_pm_domain *pd) { @@ -408,17 +415,92 @@ static bool rockchip_pmu_domain_is_on(struct rockchip_pm_domain *pd) return !(val & pd->info->status_mask); } +static bool rockchip_pmu_domain_is_mem_on(struct rockchip_pm_domain *pd) +{ + struct rockchip_pmu *pmu = pd->pmu; + unsigned int val; + + regmap_read(pmu->regmap, + pmu->info->mem_status_offset + pd->info->mem_offset, &val); + + /* 1'b0: power on, 1'b1: power off */ + return !(val & pd->info->mem_status_mask); +} + +static bool rockchip_pmu_domain_is_chain_on(struct rockchip_pm_domain *pd) +{ + struct rockchip_pmu *pmu = pd->pmu; + unsigned int val; + + regmap_read(pmu->regmap, + pmu->info->chain_status_offset + pd->info->mem_offset, &val); + + /* 1'b1: power on, 1'b0: power off */ + return val & pd->info->mem_status_mask; +} + +static int rockchip_pmu_domain_mem_reset(struct rockchip_pm_domain *pd) +{ + struct rockchip_pmu *pmu = pd->pmu; + struct generic_pm_domain *genpd = &pd->genpd; + bool is_on; + int ret = 0; + + ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_chain_on, pd, is_on, + is_on == true, 0, 10000); + if (ret) { + dev_err(pmu->dev, + "failed to get chain status '%s', target_on=1, val=%d\n", + genpd->name, is_on); + goto error; + } + + udelay(20); + + regmap_write(pmu->regmap, pmu->info->mem_pwr_offset + pd->info->pwr_offset, + (pd->info->pwr_mask | pd->info->pwr_w_mask)); + wmb(); + + ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_mem_on, pd, is_on, + is_on == false, 0, 10000); + if (ret) { + dev_err(pmu->dev, + "failed to get mem status '%s', target_on=0, val=%d\n", + genpd->name, is_on); + goto error; + } + + regmap_write(pmu->regmap, pmu->info->mem_pwr_offset + pd->info->pwr_offset, + pd->info->pwr_w_mask); + wmb(); + + ret = readx_poll_timeout_atomic(rockchip_pmu_domain_is_mem_on, pd, is_on, + is_on == true, 0, 10000); + if (ret) { + dev_err(pmu->dev, + "failed to get mem status '%s', target_on=1, val=%d\n", + genpd->name, is_on); + } + +error: + return ret; +} + static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, bool on) { struct rockchip_pmu *pmu = pd->pmu; struct generic_pm_domain *genpd = &pd->genpd; u32 pd_pwr_offset = pd->info->pwr_offset; - bool is_on; + bool is_on, is_mem_on = false; if (pd->info->pwr_mask == 0) return; - else if (pd->info->pwr_w_mask) + + if (on && pd->info->mem_status_mask) + is_mem_on = rockchip_pmu_domain_is_mem_on(pd); + + if (pd->info->pwr_w_mask) regmap_write(pmu->regmap, pmu->info->pwr_offset + pd_pwr_offset, on ? pd->info->pwr_w_mask : (pd->info->pwr_mask | pd->info->pwr_w_mask)); @@ -428,6 +510,9 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, wmb(); + if (is_mem_on && rockchip_pmu_domain_mem_reset(pd)) + return; + if (readx_poll_timeout_atomic(rockchip_pmu_domain_is_on, pd, is_on, is_on == on, 0, 10000)) { dev_err(pmu->dev, @@ -645,7 +730,9 @@ static int rockchip_pm_add_one_domain(struct rockchip_pmu *pmu, pd->genpd.flags = GENPD_FLAG_PM_CLK; if (pd_info->active_wakeup) pd->genpd.flags |= GENPD_FLAG_ACTIVE_WAKEUP; - pm_genpd_init(&pd->genpd, NULL, !rockchip_pmu_domain_is_on(pd)); + pm_genpd_init(&pd->genpd, NULL, + !rockchip_pmu_domain_is_on(pd) || + (pd->info->mem_status_mask && !rockchip_pmu_domain_is_mem_on(pd))); pmu->genpd_data.domains[id] = &pd->genpd; return 0; @@ -1024,35 +1111,35 @@ static const struct rockchip_domain_info rk3568_pm_domains[] = { }; static const struct rockchip_domain_info rk3588_pm_domains[] = { - [RK3588_PD_GPU] = DOMAIN_RK3588("gpu", 0x0, BIT(0), 0, BIT(1), 0x0, BIT(0), BIT(0), false), - [RK3588_PD_NPU] = DOMAIN_RK3588("npu", 0x0, BIT(1), BIT(1), 0, 0x0, 0, 0, false), - [RK3588_PD_VCODEC] = DOMAIN_RK3588("vcodec", 0x0, BIT(2), BIT(2), 0, 0x0, 0, 0, false), - [RK3588_PD_NPUTOP] = DOMAIN_RK3588("nputop", 0x0, BIT(3), 0, BIT(2), 0x0, BIT(1), BIT(1), false), - [RK3588_PD_NPU1] = DOMAIN_RK3588("npu1", 0x0, BIT(4), 0, BIT(3), 0x0, BIT(2), BIT(2), false), - [RK3588_PD_NPU2] = DOMAIN_RK3588("npu2", 0x0, BIT(5), 0, BIT(4), 0x0, BIT(3), BIT(3), false), - [RK3588_PD_VENC0] = DOMAIN_RK3588("venc0", 0x0, BIT(6), 0, BIT(5), 0x0, BIT(4), BIT(4), false), - [RK3588_PD_VENC1] = DOMAIN_RK3588("venc1", 0x0, BIT(7), 0, BIT(6), 0x0, BIT(5), BIT(5), false), - [RK3588_PD_RKVDEC0] = DOMAIN_RK3588("rkvdec0", 0x0, BIT(8), 0, BIT(7), 0x0, BIT(6), BIT(6), false), - [RK3588_PD_RKVDEC1] = DOMAIN_RK3588("rkvdec1", 0x0, BIT(9), 0, BIT(8), 0x0, BIT(7), BIT(7), false), - [RK3588_PD_VDPU] = DOMAIN_RK3588("vdpu", 0x0, BIT(10), 0, BIT(9), 0x0, BIT(8), BIT(8), false), - [RK3588_PD_RGA30] = DOMAIN_RK3588("rga30", 0x0, BIT(11), 0, BIT(10), 0x0, 0, 0, false), - [RK3588_PD_AV1] = DOMAIN_RK3588("av1", 0x0, BIT(12), 0, BIT(11), 0x0, BIT(9), BIT(9), false), - [RK3588_PD_VI] = DOMAIN_RK3588("vi", 0x0, BIT(13), 0, BIT(12), 0x0, BIT(10), BIT(10), false), - [RK3588_PD_FEC] = DOMAIN_RK3588("fec", 0x0, BIT(14), 0, BIT(13), 0x0, 0, 0, false), - [RK3588_PD_ISP1] = DOMAIN_RK3588("isp1", 0x0, BIT(15), 0, BIT(14), 0x0, BIT(11), BIT(11), false), - [RK3588_PD_RGA31] = DOMAIN_RK3588("rga31", 0x4, BIT(0), 0, BIT(15), 0x0, BIT(12), BIT(12), false), - [RK3588_PD_VOP] = DOMAIN_RK3588("vop", 0x4, BIT(1), 0, BIT(16), 0x0, BIT(13) | BIT(14), BIT(13) | BIT(14), false), - [RK3588_PD_VO0] = DOMAIN_RK3588("vo0", 0x4, BIT(2), 0, BIT(17), 0x0, BIT(15), BIT(15), false), - [RK3588_PD_VO1] = DOMAIN_RK3588("vo1", 0x4, BIT(3), 0, BIT(18), 0x4, BIT(0), BIT(16), false), - [RK3588_PD_AUDIO] = DOMAIN_RK3588("audio", 0x4, BIT(4), 0, BIT(19), 0x4, BIT(1), BIT(17), false), - [RK3588_PD_PHP] = DOMAIN_RK3588("php", 0x4, BIT(5), 0, BIT(20), 0x4, BIT(5), BIT(21), false), - [RK3588_PD_GMAC] = DOMAIN_RK3588("gmac", 0x4, BIT(6), 0, BIT(21), 0x0, 0, 0, false), - [RK3588_PD_PCIE] = DOMAIN_RK3588("pcie", 0x4, BIT(7), 0, BIT(22), 0x0, 0, 0, true), - [RK3588_PD_NVM] = DOMAIN_RK3588("nvm", 0x4, BIT(8), BIT(24), 0, 0x4, BIT(2), BIT(18), false), - [RK3588_PD_NVM0] = DOMAIN_RK3588("nvm0", 0x4, BIT(9), 0, BIT(23), 0x0, 0, 0, false), - [RK3588_PD_SDIO] = DOMAIN_RK3588("sdio", 0x4, BIT(10), 0, BIT(24), 0x4, BIT(3), BIT(19), false), - [RK3588_PD_USB] = DOMAIN_RK3588("usb", 0x4, BIT(11), 0, BIT(25), 0x4, BIT(4), BIT(20), true), - [RK3588_PD_SDMMC] = DOMAIN_RK3588("sdmmc", 0x4, BIT(13), 0, BIT(26), 0x0, 0, 0, false), + [RK3588_PD_GPU] = DOMAIN_RK3588("gpu", 0x0, BIT(0), 0, 0x0, 0, BIT(1), 0x0, BIT(0), BIT(0), false), + [RK3588_PD_NPU] = DOMAIN_RK3588("npu", 0x0, BIT(1), BIT(1), 0x0, 0, 0, 0x0, 0, 0, false), + [RK3588_PD_VCODEC] = DOMAIN_RK3588("vcodec", 0x0, BIT(2), BIT(2), 0x0, 0, 0, 0x0, 0, 0, false), + [RK3588_PD_NPUTOP] = DOMAIN_RK3588("nputop", 0x0, BIT(3), 0, 0x0, BIT(11), BIT(2), 0x0, BIT(1), BIT(1), false), + [RK3588_PD_NPU1] = DOMAIN_RK3588("npu1", 0x0, BIT(4), 0, 0x0, BIT(12), BIT(3), 0x0, BIT(2), BIT(2), false), + [RK3588_PD_NPU2] = DOMAIN_RK3588("npu2", 0x0, BIT(5), 0, 0x0, BIT(13), BIT(4), 0x0, BIT(3), BIT(3), false), + [RK3588_PD_VENC0] = DOMAIN_RK3588("venc0", 0x0, BIT(6), 0, 0x0, BIT(14), BIT(5), 0x0, BIT(4), BIT(4), false), + [RK3588_PD_VENC1] = DOMAIN_RK3588("venc1", 0x0, BIT(7), 0, 0x0, BIT(15), BIT(6), 0x0, BIT(5), BIT(5), false), + [RK3588_PD_RKVDEC0] = DOMAIN_RK3588("rkvdec0", 0x0, BIT(8), 0, 0x0, BIT(16), BIT(7), 0x0, BIT(6), BIT(6), false), + [RK3588_PD_RKVDEC1] = DOMAIN_RK3588("rkvdec1", 0x0, BIT(9), 0, 0x0, BIT(17), BIT(8), 0x0, BIT(7), BIT(7), false), + [RK3588_PD_VDPU] = DOMAIN_RK3588("vdpu", 0x0, BIT(10), 0, 0x0, BIT(18), BIT(9), 0x0, BIT(8), BIT(8), false), + [RK3588_PD_RGA30] = DOMAIN_RK3588("rga30", 0x0, BIT(11), 0, 0x0, BIT(19), BIT(10), 0x0, 0, 0, false), + [RK3588_PD_AV1] = DOMAIN_RK3588("av1", 0x0, BIT(12), 0, 0x0, BIT(20), BIT(11), 0x0, BIT(9), BIT(9), false), + [RK3588_PD_VI] = DOMAIN_RK3588("vi", 0x0, BIT(13), 0, 0x0, BIT(21), BIT(12), 0x0, BIT(10), BIT(10), false), + [RK3588_PD_FEC] = DOMAIN_RK3588("fec", 0x0, BIT(14), 0, 0x0, BIT(22), BIT(13), 0x0, 0, 0, false), + [RK3588_PD_ISP1] = DOMAIN_RK3588("isp1", 0x0, BIT(15), 0, 0x0, BIT(23), BIT(14), 0x0, BIT(11), BIT(11), false), + [RK3588_PD_RGA31] = DOMAIN_RK3588("rga31", 0x4, BIT(0), 0, 0x0, BIT(24), BIT(15), 0x0, BIT(12), BIT(12), false), + [RK3588_PD_VOP] = DOMAIN_RK3588("vop", 0x4, BIT(1), 0, 0x0, BIT(25), BIT(16), 0x0, BIT(13) | BIT(14), BIT(13) | BIT(14), false), + [RK3588_PD_VO0] = DOMAIN_RK3588("vo0", 0x4, BIT(2), 0, 0x0, BIT(26), BIT(17), 0x0, BIT(15), BIT(15), false), + [RK3588_PD_VO1] = DOMAIN_RK3588("vo1", 0x4, BIT(3), 0, 0x0, BIT(27), BIT(18), 0x4, BIT(0), BIT(16), false), + [RK3588_PD_AUDIO] = DOMAIN_RK3588("audio", 0x4, BIT(4), 0, 0x0, BIT(28), BIT(19), 0x4, BIT(1), BIT(17), false), + [RK3588_PD_PHP] = DOMAIN_RK3588("php", 0x4, BIT(5), 0, 0x0, BIT(29), BIT(20), 0x4, BIT(5), BIT(21), false), + [RK3588_PD_GMAC] = DOMAIN_RK3588("gmac", 0x4, BIT(6), 0, 0x0, BIT(30), BIT(21), 0x0, 0, 0, false), + [RK3588_PD_PCIE] = DOMAIN_RK3588("pcie", 0x4, BIT(7), 0, 0x0, BIT(31), BIT(22), 0x0, 0, 0, true), + [RK3588_PD_NVM] = DOMAIN_RK3588("nvm", 0x4, BIT(8), BIT(24), 0x4, 0, 0, 0x4, BIT(2), BIT(18), false), + [RK3588_PD_NVM0] = DOMAIN_RK3588("nvm0", 0x4, BIT(9), 0, 0x4, BIT(1), BIT(23), 0x0, 0, 0, false), + [RK3588_PD_SDIO] = DOMAIN_RK3588("sdio", 0x4, BIT(10), 0, 0x4, BIT(2), BIT(24), 0x4, BIT(3), BIT(19), false), + [RK3588_PD_USB] = DOMAIN_RK3588("usb", 0x4, BIT(11), 0, 0x4, BIT(3), BIT(25), 0x4, BIT(4), BIT(20), true), + [RK3588_PD_SDMMC] = DOMAIN_RK3588("sdmmc", 0x4, BIT(13), 0, 0x4, BIT(5), BIT(26), 0x0, 0, 0, false), }; static const struct rockchip_pmu_info px30_pmu = { @@ -1207,6 +1294,9 @@ static const struct rockchip_pmu_info rk3588_pmu = { .req_offset = 0x10c, .idle_offset = 0x120, .ack_offset = 0x118, + .mem_pwr_offset = 0x1a0, + .chain_status_offset = 0x1f0, + .mem_status_offset = 0x1f8, .repair_status_offset = 0x290, .num_domains = ARRAY_SIZE(rk3588_pm_domains),