From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C8DEF78F4C for ; Sun, 23 Mar 2025 11:36:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742729809; cv=none; b=pXA7pjb555TOXGem3haLJQgdePfJYbXkjzdQOVQ2CG3DVYnakXbzAslja+leEkakro7ZnJ4N6e149DlBAH7Z7WVAJ6F/dVbNQqZOYE8Sca0w/bCgMNXmtCOLAZ7dEJ1OZ0SxAI5hbOjOCFBtyD5FODKizjEKCKI9b9/lCJnfqo8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742729809; c=relaxed/simple; bh=kVPwEgEGPdOG3Nt+eID2asRoC7VabG4RM9ykyJuEIKA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rgBYfmgWdMn/5RH5SqdDVvopJ8lLhWPpIBUWf447fgcjQqyStbZJkPWnfCYSXR1NjmYL8sLTfcz7AJ0GaghNoTFfQnaBBwk41Fcu0xW1wsLSxJVvsuTUXNvx3qxXijSjUfAsisIG/xFF8fRAwYXWfuaBkpd/ajNezX6DJLFYTaw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4EAC91595; Sun, 23 Mar 2025 04:36:54 -0700 (PDT) Received: from localhost.localdomain (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 954CF3F694; Sun, 23 Mar 2025 04:36:46 -0700 (PDT) From: Andre Przywara To: Tom Rini Cc: Simon Glass , Jernej Skrabec , Mikhail Kalashnikov , u-boot@lists.denx.de, linux-sunxi@lists.linux.dev Subject: [PATCH 29/34] sunxi: sun50i_h6: add A523 SPL clock setup code Date: Sun, 23 Mar 2025 11:35:39 +0000 Message-ID: <20250323113544.7933-30-andre.przywara@arm.com> X-Mailer: git-send-email 2.46.3 In-Reply-To: <20250323113544.7933-1-andre.przywara@arm.com> References: <20250323113544.7933-1-andre.przywara@arm.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Jernej Skrabec --- .../include/asm/arch-sunxi/clock_sun50i_h6.h | 10 ++++++ arch/arm/mach-sunxi/clock_sun50i_h6.c | 32 ++++++++++++++----- 2 files changed, 34 insertions(+), 8 deletions(-) diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h b/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h index c95f2b39e64..d251ed49798 100644 --- a/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h +++ b/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h @@ -101,6 +101,13 @@ #define CCM_PLL6_DEFAULT 0xe8216300 #define CCM_PSI_AHB1_AHB2_DEFAULT 0x03000002 #define CCM_APB1_DEFAULT 0x03000102 + +#elif CONFIG_MACH_SUN55I_A523 /* A523 */ + +#define CCM_PLL6_DEFAULT 0xe8116310 /* 1200 MHz */ +#define CCM_PSI_AHB1_AHB2_DEFAULT 0x03000002 /* 200 MHz */ +#define CCM_APB1_DEFAULT 0x03000005 /* APB0 really */ +#define CCM_APB2_DEFAULT 0x03000005 /* APB1 really */ #endif /* apb2 bit field */ @@ -120,6 +127,7 @@ /* MBUS clock bit field */ #define MBUS_ENABLE BIT(31) #define MBUS_RESET BIT(30) +#define MBUS_UPDATE BIT(27) #define MBUS_CLK_SRC_MASK GENMASK(25, 24) #define MBUS_CLK_SRC_OSCM24 (0 << 24) #define MBUS_CLK_SRC_PLL6X2 (1 << 24) @@ -132,10 +140,12 @@ #define GATE_SHIFT (0) /* DRAM clock bit field */ +#define DRAM_CLK_ENABLE BIT(31) #define DRAM_MOD_RESET BIT(30) #define DRAM_CLK_UPDATE BIT(27) #define DRAM_CLK_SRC_MASK GENMASK(25, 24) #define DRAM_CLK_SRC_PLL5 (0 << 24) +#define DRAM_CLK_M_MASK (0x1f) #define DRAM_CLK_M(m) (((m)-1) << 0) /* MMC clock bit field */ diff --git a/arch/arm/mach-sunxi/clock_sun50i_h6.c b/arch/arm/mach-sunxi/clock_sun50i_h6.c index f76d1b83883..2ba144a6ac3 100644 --- a/arch/arm/mach-sunxi/clock_sun50i_h6.c +++ b/arch/arm/mach-sunxi/clock_sun50i_h6.c @@ -14,15 +14,22 @@ void clock_init_safe(void) void *const ccm = (void *)SUNXI_CCM_BASE; void *const prcm = (void *)SUNXI_PRCM_BASE; - if (IS_ENABLED(CONFIG_MACH_SUN50I_H616)) { - /* this seems to enable PLLs on H616 */ + if (IS_ENABLED(CONFIG_MACH_SUN50I_H616)) setbits_le32(prcm + CCU_PRCM_SYS_PWROFF_GATING, 0x10); + if (IS_ENABLED(CONFIG_MACH_SUN55I_A523)) + setbits_le32(prcm + CCU_PRCM_SYS_PWROFF_GATING, 0x200); + udelay(1); + + if (IS_ENABLED(CONFIG_MACH_SUN50I_H616) || + IS_ENABLED(CONFIG_MACH_SUN55I_A523)) setbits_le32(prcm + CCU_PRCM_RES_CAL_CTRL, 2); - } + udelay(1); if (IS_ENABLED(CONFIG_MACH_SUN50I_H616) || - IS_ENABLED(CONFIG_MACH_SUN50I_H6)) { + IS_ENABLED(CONFIG_MACH_SUN50I_H6) || + IS_ENABLED(CONFIG_MACH_SUN55I_A523)) { clrbits_le32(prcm + CCU_PRCM_RES_CAL_CTRL, 1); + udelay(1); setbits_le32(prcm + CCU_PRCM_RES_CAL_CTRL, 1); } @@ -39,9 +46,10 @@ void clock_init_safe(void) while (!(readl(ccm + CCU_H6_PLL6_CFG) & CCM_PLL_LOCK)) ; - clrsetbits_le32(ccm + CCU_H6_CPU_AXI_CFG, - CCM_CPU_AXI_APB_MASK | CCM_CPU_AXI_AXI_MASK, - CCM_CPU_AXI_DEFAULT_FACTORS); + if (!IS_ENABLED(CONFIG_MACH_SUN55I_A523)) + clrsetbits_le32(ccm + CCU_H6_CPU_AXI_CFG, + CCM_CPU_AXI_APB_MASK | CCM_CPU_AXI_AXI_MASK, + CCM_CPU_AXI_DEFAULT_FACTORS); writel(CCM_PSI_AHB1_AHB2_DEFAULT, ccm + CCU_H6_PSI_AHB1_AHB2_CFG); #ifdef CCM_AHB3_DEFAULT @@ -53,7 +61,15 @@ void clock_init_safe(void) * The mux and factor are set, but the clock will be enabled in * DRAM initialization code. */ - writel(MBUS_CLK_SRC_PLL6X2 | MBUS_CLK_M(3), ccm + CCU_H6_MBUS_CFG); + if (IS_ENABLED(CONFIG_MACH_SUN55I_A523)) { + writel(MBUS_RESET, ccm + CCU_H6_MBUS_CFG); + udelay(1); + writel(MBUS_UPDATE | MBUS_CLK_SRC_OSCM24 | MBUS_CLK_M(4), + ccm + CCU_H6_MBUS_CFG); + } else { + writel(MBUS_CLK_SRC_PLL6X2 | MBUS_CLK_M(3), + ccm + CCU_H6_MBUS_CFG); + } } void clock_init_uart(void) -- 2.46.3