[PATCH 5/6] reset: rockchip: secure reset must be used by SCMI
From: Corentin Labbe <clabbe@baylibre.com>
Date: 2023-11-07 16:21:32
Also in:
linux-clk, linux-crypto, linux-devicetree, linux-rockchip, lkml
Subsystem:
arm/rockchip soc support, common clk framework, open firmware and flattened device tree bindings, reset controller framework, the rest · Maintainers:
Heiko Stuebner, Michael Turquette, Stephen Boyd, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Philipp Zabel, Linus Torvalds
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 <clabbe@baylibre.com> --- drivers/clk/rockchip/rst-rk3588.c | 42 ------------ .../dt-bindings/reset/rockchip,rk3588-cru.h | 68 +++++++++---------- 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 +#define SRST_H_SECURE_NS_BIU 11 +#define SRST_A_SECURE_S_BIU 12 +#define SRST_H_SECURE_S_BIU 13 +#define SRST_P_SECURE_S_BIU 14 +#define SRST_CRYPTO_CORE 15 + +#define SRST_CRYPTO_PKA 16 +#define SRST_CRYPTO_RNG 17 +#define SRST_A_CRYPTO 18 +#define SRST_H_CRYPTO 19 +#define SRST_KEYLADDER_CORE 25 +#define SRST_KEYLADDER_RNG 26 +#define SRST_A_KEYLADDER 27 +#define SRST_H_KEYLADDER 28 +#define SRST_P_OTPC_S 29 +#define SRST_OTPC_S 30 +#define SRST_WDT_S 31 + +#define SRST_T_WDT_S 32 +#define SRST_H_BOOTROM 33 +#define SRST_A_DCF 34 +#define SRST_P_DCF 35 +#define SRST_H_BOOTROM_NS 37 +#define SRST_P_KEYLADDER 46 +#define SRST_H_TRNG_S 47 + +#define SRST_H_TRNG_NS 48 +#define SRST_D_SDMMC_BUFFER 49 +#define SRST_H_SDMMC 50 +#define SRST_H_SDMMC_BUFFER 51 +#define SRST_SDMMC 52 +#define SRST_P_TRNG_CHK 53 +#define SRST_TRNG_S 54 #endif
--
2.41.0
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