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Tue, 07 Nov 2023 08:21:43 -0800 (PST) Received: from [192.168.1.20] ([178.197.218.126]) by smtp.gmail.com with ESMTPSA id cw25-20020a170906c79900b0099c53c44083sm1212333ejb.79.2023.11.07.08.21.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Nov 2023 08:21:42 -0800 (PST) Message-ID: Date: Tue, 7 Nov 2023 17:21:41 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 5/6] reset: rockchip: secure reset must be used by SCMI Content-Language: en-US To: Corentin Labbe , davem@davemloft.net, heiko@sntech.de, herbert@gondor.apana.org.au, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, p.zabel@pengutronix.de, robh+dt@kernel.org, sboyd@kernel.org Cc: ricardo@pardini.net, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org References: <20231107155532.3747113-1-clabbe@baylibre.com> <20231107155532.3747113-6-clabbe@baylibre.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 07/11/2023 16:55, Corentin Labbe wrote: > While working on the rk3588 crypto driver, I loose lot of time > understanding why resetting the IP failed. > This is due to RK3588_SECURECRU_RESET_OFFSET being in the secure world, > so impossible to operate on it from the kernel. > All resets in this block must be handled via SCMI call. > > Signed-off-by: Corentin Labbe > --- > drivers/clk/rockchip/rst-rk3588.c | 42 ------------ > .../dt-bindings/reset/rockchip,rk3588-cru.h | 68 +++++++++---------- Please run scripts/checkpatch.pl and fix reported warnings. Some warnings can be ignored, but the code here looks like it needs a fix. Feel free to get in touch if the warning is not clear. > 2 files changed, 34 insertions(+), 76 deletions(-) > > diff --git a/drivers/clk/rockchip/rst-rk3588.c b/drivers/clk/rockchip/rst-rk3588.c > index e855bb8d5413..6556d9d3c7ab 100644 > --- a/drivers/clk/rockchip/rst-rk3588.c > +++ b/drivers/clk/rockchip/rst-rk3588.c > @@ -16,9 +16,6 @@ > /* 0xFD7C8000 + 0x0A00 */ > #define RK3588_PHPTOPCRU_RESET_OFFSET(id, reg, bit) [id] = (0x8000*4 + reg * 16 + bit) > > -/* 0xFD7D0000 + 0x0A00 */ > -#define RK3588_SECURECRU_RESET_OFFSET(id, reg, bit) [id] = (0x10000*4 + reg * 16 + bit) > - > /* 0xFD7F0000 + 0x0A00 */ > #define RK3588_PMU1CRU_RESET_OFFSET(id, reg, bit) [id] = (0x30000*4 + reg * 16 + bit) > > @@ -806,45 +803,6 @@ static const int rk3588_register_offset[] = { > RK3588_PMU1CRU_RESET_OFFSET(SRST_P_PMU0IOC, 5, 4), > RK3588_PMU1CRU_RESET_OFFSET(SRST_P_GPIO0, 5, 5), > RK3588_PMU1CRU_RESET_OFFSET(SRST_GPIO0, 5, 6), > - > - /* SECURECRU_SOFTRST_CON00 */ > - RK3588_SECURECRU_RESET_OFFSET(SRST_A_SECURE_NS_BIU, 0, 10), > - RK3588_SECURECRU_RESET_OFFSET(SRST_H_SECURE_NS_BIU, 0, 11), > - RK3588_SECURECRU_RESET_OFFSET(SRST_A_SECURE_S_BIU, 0, 12), > - RK3588_SECURECRU_RESET_OFFSET(SRST_H_SECURE_S_BIU, 0, 13), > - RK3588_SECURECRU_RESET_OFFSET(SRST_P_SECURE_S_BIU, 0, 14), > - RK3588_SECURECRU_RESET_OFFSET(SRST_CRYPTO_CORE, 0, 15), > - > - /* SECURECRU_SOFTRST_CON01 */ > - RK3588_SECURECRU_RESET_OFFSET(SRST_CRYPTO_PKA, 1, 0), > - RK3588_SECURECRU_RESET_OFFSET(SRST_CRYPTO_RNG, 1, 1), > - RK3588_SECURECRU_RESET_OFFSET(SRST_A_CRYPTO, 1, 2), > - RK3588_SECURECRU_RESET_OFFSET(SRST_H_CRYPTO, 1, 3), > - RK3588_SECURECRU_RESET_OFFSET(SRST_KEYLADDER_CORE, 1, 9), > - RK3588_SECURECRU_RESET_OFFSET(SRST_KEYLADDER_RNG, 1, 10), > - RK3588_SECURECRU_RESET_OFFSET(SRST_A_KEYLADDER, 1, 11), > - RK3588_SECURECRU_RESET_OFFSET(SRST_H_KEYLADDER, 1, 12), > - RK3588_SECURECRU_RESET_OFFSET(SRST_P_OTPC_S, 1, 13), > - RK3588_SECURECRU_RESET_OFFSET(SRST_OTPC_S, 1, 14), > - RK3588_SECURECRU_RESET_OFFSET(SRST_WDT_S, 1, 15), > - > - /* SECURECRU_SOFTRST_CON02 */ > - RK3588_SECURECRU_RESET_OFFSET(SRST_T_WDT_S, 2, 0), > - RK3588_SECURECRU_RESET_OFFSET(SRST_H_BOOTROM, 2, 1), > - RK3588_SECURECRU_RESET_OFFSET(SRST_A_DCF, 2, 2), > - RK3588_SECURECRU_RESET_OFFSET(SRST_P_DCF, 2, 3), > - RK3588_SECURECRU_RESET_OFFSET(SRST_H_BOOTROM_NS, 2, 5), > - RK3588_SECURECRU_RESET_OFFSET(SRST_P_KEYLADDER, 2, 14), > - RK3588_SECURECRU_RESET_OFFSET(SRST_H_TRNG_S, 2, 15), > - > - /* SECURECRU_SOFTRST_CON03 */ > - RK3588_SECURECRU_RESET_OFFSET(SRST_H_TRNG_NS, 3, 0), > - RK3588_SECURECRU_RESET_OFFSET(SRST_D_SDMMC_BUFFER, 3, 1), > - RK3588_SECURECRU_RESET_OFFSET(SRST_H_SDMMC, 3, 2), > - RK3588_SECURECRU_RESET_OFFSET(SRST_H_SDMMC_BUFFER, 3, 3), > - RK3588_SECURECRU_RESET_OFFSET(SRST_SDMMC, 3, 4), > - RK3588_SECURECRU_RESET_OFFSET(SRST_P_TRNG_CHK, 3, 5), > - RK3588_SECURECRU_RESET_OFFSET(SRST_TRNG_S, 3, 6), > }; > > void rk3588_rst_init(struct device_node *np, void __iomem *reg_base) > diff --git a/include/dt-bindings/reset/rockchip,rk3588-cru.h b/include/dt-bindings/reset/rockchip,rk3588-cru.h > index d4264db2a07f..c0d08ae78cd5 100644 > --- a/include/dt-bindings/reset/rockchip,rk3588-cru.h > +++ b/include/dt-bindings/reset/rockchip,rk3588-cru.h > @@ -716,39 +716,39 @@ > #define SRST_P_GPIO0 627 > #define SRST_GPIO0 628 > > -#define SRST_A_SECURE_NS_BIU 629 > -#define SRST_H_SECURE_NS_BIU 630 > -#define SRST_A_SECURE_S_BIU 631 > -#define SRST_H_SECURE_S_BIU 632 > -#define SRST_P_SECURE_S_BIU 633 > -#define SRST_CRYPTO_CORE 634 > - > -#define SRST_CRYPTO_PKA 635 > -#define SRST_CRYPTO_RNG 636 > -#define SRST_A_CRYPTO 637 > -#define SRST_H_CRYPTO 638 > -#define SRST_KEYLADDER_CORE 639 > -#define SRST_KEYLADDER_RNG 640 > -#define SRST_A_KEYLADDER 641 > -#define SRST_H_KEYLADDER 642 > -#define SRST_P_OTPC_S 643 > -#define SRST_OTPC_S 644 > -#define SRST_WDT_S 645 > - > -#define SRST_T_WDT_S 646 > -#define SRST_H_BOOTROM 647 > -#define SRST_A_DCF 648 > -#define SRST_P_DCF 649 > -#define SRST_H_BOOTROM_NS 650 > -#define SRST_P_KEYLADDER 651 > -#define SRST_H_TRNG_S 652 > - > -#define SRST_H_TRNG_NS 653 > -#define SRST_D_SDMMC_BUFFER 654 > -#define SRST_H_SDMMC 655 > -#define SRST_H_SDMMC_BUFFER 656 > -#define SRST_SDMMC 657 > -#define SRST_P_TRNG_CHK 658 > -#define SRST_TRNG_S 659 > +#define SRST_A_SECURE_NS_BIU 10 NAK. You just broke all users. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel