From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-x22f.google.com (mail-pg0-x22f.google.com [IPv6:2607:f8b0:400e:c05::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3w6HfY14K6zDq9H for ; Tue, 18 Apr 2017 05:01:09 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="Y81MD95K"; dkim-atps=neutral Received: by mail-pg0-x22f.google.com with SMTP id 63so15917870pgh.0 for ; Mon, 17 Apr 2017 12:01:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=iUDFyZsiZnrqFbqLh4cC68sgmabHX8yiSkPRtxrJnY8=; b=Y81MD95KMoPtZJ8DVfDGDq6mU6lE/ujwGlyUJkZ5J8AGzMTGcOUkM+7H7y7LG4VLW7 rGZioO1MZ9cXHDt5J27cmuJs1VEqLET2k4AyZYCovRBYGCjsLfAj2dRC5gOtcvFjsKGj +xJRLY3iEme1avj1hgO45wBGqL1DHa5coJKX4ekL4fgbrlle/KB+BFNYR0wkOd/Ggv0G hhwbcsCwMCR28ITYLvgY+NzrcQLx9w8flZVemGVpCykMH+EKjvUjyZVrF6v1SToK+2P9 6tQSMPdGNmKoAN8JMHOSdf6aZKXWCMiLHE+ZpAEDf5mvrzvJiMy+YMKl9jbLt64aFLvD yN6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=iUDFyZsiZnrqFbqLh4cC68sgmabHX8yiSkPRtxrJnY8=; b=H/HuWnEqtoxbMHCecUIUIIAivkUJPbghLHXVqR0fxQ5d+ZpX4jrWXUYbnqd0UMnN0k 1sMer8Q+ZVkV/JJdv5aIxX09njqLtEsOrYnJ0HFvcG16IXQgyMB7V68dFYwr1g7E+shq tzo8EPB8nl79i14oj0bPaszyuzabsWr77WNa4KuZtOUN2VXH2lajHtdXuPHP3hjoF3ux hd0KEYi7qefl/fBw8xr769ub9/ogdJEdEZhPmjX7fQ39KNoXZ0Y08CfMEx6IWrmKbNfD rRuKCmZkyJKP4opiCjIo7yMseeRaF0wyL9ye8RR7MxOFIgvGpW96ji6B149il1cnZnK9 dQ3Q== X-Gm-Message-State: AN3rC/6WYtPq21C7TcCfTrP+eoglY/+wJq11gYIQ7PUz4lzjzok6NfHr G8Zv9IUiQ2DavSRChknXug== X-Received: by 10.98.184.18 with SMTP id p18mr12959898pfe.45.1492455667090; Mon, 17 Apr 2017 12:01:07 -0700 (PDT) Received: from mxsl.svl.corp.google.com ([100.123.242.80]) by smtp.gmail.com with ESMTPSA id p80sm19526121pfk.50.2017.04.17.12.01.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 17 Apr 2017 12:01:06 -0700 (PDT) From: Maxim Sloyko To: u-boot@lists.denx.de, Simon Glass Cc: openbmc@lists.ozlabs.org, Maxim Sloyko , Albert Aribaud Subject: [PATCH v1 14/15] aspeed: Refactor SCU to use consistent mask & shift Date: Mon, 17 Apr 2017 12:00:33 -0700 Message-Id: <20170417190034.71945-15-maxims@google.com> X-Mailer: git-send-email 2.12.2.762.g0e3151a226-goog In-Reply-To: <20170417190034.71945-1-maxims@google.com> References: <20170417190034.71945-1-maxims@google.com> X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Apr 2017 19:01:09 -0000 Refactor SCU header to use consistent Mask & Shift values. Now, consistently, to read value from SCU register, mask needs to be applied before shift. Signed-off-by: Maxim Sloyko --- Changes in v1: None arch/arm/include/asm/arch-aspeed/scu_ast2500.h | 12 ++++---- arch/arm/mach-aspeed/ast2500/sdram_ast2500.c | 5 ++-- drivers/clk/aspeed/clk_ast2500.c | 39 +++++++++++++------------- 3 files changed, 27 insertions(+), 29 deletions(-) diff --git a/arch/arm/include/asm/arch-aspeed/scu_ast2500.h b/arch/arm/include/asm/arch-aspeed/scu_ast2500.h index fe877b5430..590aed2f6c 100644 --- a/arch/arm/include/asm/arch-aspeed/scu_ast2500.h +++ b/arch/arm/include/asm/arch-aspeed/scu_ast2500.h @@ -8,8 +8,8 @@ #define SCU_UNLOCK_VALUE 0x1688a8a8 -#define SCU_HWSTRAP_VGAMEM_MASK 3 #define SCU_HWSTRAP_VGAMEM_SHIFT 2 +#define SCU_HWSTRAP_VGAMEM_MASK (3 << SCU_HWSTRAP_VGAMEM_SHIFT) #define SCU_HWSTRAP_MAC1_RGMII (1 << 6) #define SCU_HWSTRAP_MAC2_RGMII (1 << 7) #define SCU_HWSTRAP_DDR4 (1 << 24) @@ -18,17 +18,17 @@ #define SCU_MPLL_DENUM_SHIFT 0 #define SCU_MPLL_DENUM_MASK 0x1f #define SCU_MPLL_NUM_SHIFT 5 -#define SCU_MPLL_NUM_MASK 0xff +#define SCU_MPLL_NUM_MASK (0xff << SCU_MPLL_NUM_SHIFT) #define SCU_MPLL_POST_SHIFT 13 -#define SCU_MPLL_POST_MASK 0x3f +#define SCU_MPLL_POST_MASK (0x3f << SCU_MPLL_POST_SHIFT) #define SCU_PCLK_DIV_SHIFT 23 -#define SCU_PCLK_DIV_MASK 7 +#define SCU_PCLK_DIV_MASK (7 << SCU_PCLK_DIV_SHIFT) #define SCU_HPLL_DENUM_SHIFT 0 #define SCU_HPLL_DENUM_MASK 0x1f #define SCU_HPLL_NUM_SHIFT 5 -#define SCU_HPLL_NUM_MASK 0xff +#define SCU_HPLL_NUM_MASK (0xff << SCU_HPLL_NUM_SHIFT) #define SCU_HPLL_POST_SHIFT 13 -#define SCU_HPLL_POST_MASK 0x3f +#define SCU_HPLL_POST_MASK (0x3f << SCU_HPLL_POST_SHIFT) #define SCU_MACCLK_SHIFT 16 #define SCU_MACCLK_MASK (7 << SCU_MACCLK_SHIFT) diff --git a/arch/arm/mach-aspeed/ast2500/sdram_ast2500.c b/arch/arm/mach-aspeed/ast2500/sdram_ast2500.c index efcf452b17..6383f727f2 100644 --- a/arch/arm/mach-aspeed/ast2500/sdram_ast2500.c +++ b/arch/arm/mach-aspeed/ast2500/sdram_ast2500.c @@ -183,9 +183,8 @@ static int ast2500_sdrammc_ddr4_calibrate_vref(struct dram_info *info) static size_t ast2500_sdrammc_get_vga_mem_size(struct dram_info *info) { size_t vga_mem_size_base = 8 * 1024 * 1024; - u32 vga_hwconf = (readl(&info->scu->hwstrap) - >> SCU_HWSTRAP_VGAMEM_SHIFT) - & SCU_HWSTRAP_VGAMEM_MASK; + u32 vga_hwconf = (readl(&info->scu->hwstrap) & SCU_HWSTRAP_VGAMEM_MASK) + >> SCU_HWSTRAP_VGAMEM_SHIFT; return vga_mem_size_base << vga_hwconf; } diff --git a/drivers/clk/aspeed/clk_ast2500.c b/drivers/clk/aspeed/clk_ast2500.c index 7b4b5c64ac..ccf47a1da1 100644 --- a/drivers/clk/aspeed/clk_ast2500.c +++ b/drivers/clk/aspeed/clk_ast2500.c @@ -52,11 +52,11 @@ struct ast2500_div_config { */ static ulong ast2500_get_mpll_rate(ulong clkin, u32 mpll_reg) { - const ulong num = (mpll_reg >> SCU_MPLL_NUM_SHIFT) & SCU_MPLL_NUM_MASK; - const ulong denum = (mpll_reg >> SCU_MPLL_DENUM_SHIFT) - & SCU_MPLL_DENUM_MASK; - const ulong post_div = (mpll_reg >> SCU_MPLL_POST_SHIFT) - & SCU_MPLL_POST_MASK; + const ulong num = (mpll_reg & SCU_MPLL_NUM_MASK) >> SCU_MPLL_NUM_SHIFT; + const ulong denum = (mpll_reg & SCU_MPLL_DENUM_MASK) + >> SCU_MPLL_DENUM_SHIFT; + const ulong post_div = (mpll_reg & SCU_MPLL_POST_MASK) + >> SCU_MPLL_POST_SHIFT; return (clkin * ((num + 1) / (denum + 1))) / (post_div + 1); } @@ -67,11 +67,11 @@ static ulong ast2500_get_mpll_rate(ulong clkin, u32 mpll_reg) */ static ulong ast2500_get_hpll_rate(ulong clkin, u32 hpll_reg) { - const ulong num = (hpll_reg >> SCU_HPLL_NUM_SHIFT) & SCU_HPLL_NUM_MASK; - const ulong denum = (hpll_reg >> SCU_HPLL_DENUM_SHIFT) - & SCU_HPLL_DENUM_MASK; - const ulong post_div = (hpll_reg >> SCU_HPLL_POST_SHIFT) - & SCU_HPLL_POST_MASK; + const ulong num = (hpll_reg & SCU_HPLL_NUM_MASK) >> SCU_HPLL_NUM_SHIFT; + const ulong denum = (hpll_reg & SCU_HPLL_DENUM_MASK) + >> SCU_HPLL_DENUM_SHIFT; + const ulong post_div = (hpll_reg & SCU_HPLL_POST_MASK) + >> SCU_HPLL_POST_SHIFT; return (clkin * ((num + 1) / (denum + 1))) / (post_div + 1); } @@ -136,11 +136,11 @@ static ulong ast2500_clk_get_rate(struct clk *clk) case BCLK_PCLK: { ulong apb_div = 4 + 4 * ((readl(&priv->scu->clk_sel1) - >> SCU_PCLK_DIV_SHIFT) & - SCU_PCLK_DIV_MASK); + & SCU_PCLK_DIV_MASK) + >> SCU_PCLK_DIV_SHIFT); rate = ast2500_get_hpll_rate(clkin, - readl(&priv->scu-> - h_pll_param)); + readl(&priv-> + scu->h_pll_param)); rate = rate / apb_div; } break; @@ -223,17 +223,16 @@ static ulong ast2500_configure_ddr(struct ast2500_scu *scu, ulong rate) ulong clkin = ast2500_get_clkin(scu); u32 mpll_reg; struct ast2500_div_config div_cfg = { - .num = SCU_MPLL_NUM_MASK, - .denum = SCU_MPLL_DENUM_MASK, - .post_div = SCU_MPLL_POST_MASK + .num = (SCU_MPLL_NUM_MASK >> SCU_MPLL_NUM_SHIFT), + .denum = (SCU_MPLL_DENUM_MASK >> SCU_MPLL_DENUM_SHIFT), + .post_div = (SCU_MPLL_POST_MASK >> SCU_MPLL_POST_SHIFT), }; ast2500_calc_clock_config(clkin, rate, &div_cfg); mpll_reg = readl(&scu->m_pll_param); - mpll_reg &= ~((SCU_MPLL_POST_MASK << SCU_MPLL_POST_SHIFT) - | (SCU_MPLL_NUM_MASK << SCU_MPLL_NUM_SHIFT) - | (SCU_MPLL_DENUM_MASK << SCU_MPLL_DENUM_SHIFT)); + mpll_reg &= ~(SCU_MPLL_POST_MASK | SCU_MPLL_NUM_MASK + | SCU_MPLL_DENUM_MASK); mpll_reg |= (div_cfg.post_div << SCU_MPLL_POST_SHIFT) | (div_cfg.num << SCU_MPLL_NUM_SHIFT) | (div_cfg.denum << SCU_MPLL_DENUM_SHIFT); -- 2.12.2.762.g0e3151a226-goog From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxim Sloyko Date: Mon, 17 Apr 2017 12:00:33 -0700 Subject: [U-Boot] [PATCH v1 14/15] aspeed: Refactor SCU to use consistent mask & shift In-Reply-To: <20170417190034.71945-1-maxims@google.com> References: <20170417190034.71945-1-maxims@google.com> Message-ID: <20170417190034.71945-15-maxims@google.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Refactor SCU header to use consistent Mask & Shift values. Now, consistently, to read value from SCU register, mask needs to be applied before shift. Signed-off-by: Maxim Sloyko --- Changes in v1: None arch/arm/include/asm/arch-aspeed/scu_ast2500.h | 12 ++++---- arch/arm/mach-aspeed/ast2500/sdram_ast2500.c | 5 ++-- drivers/clk/aspeed/clk_ast2500.c | 39 +++++++++++++------------- 3 files changed, 27 insertions(+), 29 deletions(-) diff --git a/arch/arm/include/asm/arch-aspeed/scu_ast2500.h b/arch/arm/include/asm/arch-aspeed/scu_ast2500.h index fe877b5430..590aed2f6c 100644 --- a/arch/arm/include/asm/arch-aspeed/scu_ast2500.h +++ b/arch/arm/include/asm/arch-aspeed/scu_ast2500.h @@ -8,8 +8,8 @@ #define SCU_UNLOCK_VALUE 0x1688a8a8 -#define SCU_HWSTRAP_VGAMEM_MASK 3 #define SCU_HWSTRAP_VGAMEM_SHIFT 2 +#define SCU_HWSTRAP_VGAMEM_MASK (3 << SCU_HWSTRAP_VGAMEM_SHIFT) #define SCU_HWSTRAP_MAC1_RGMII (1 << 6) #define SCU_HWSTRAP_MAC2_RGMII (1 << 7) #define SCU_HWSTRAP_DDR4 (1 << 24) @@ -18,17 +18,17 @@ #define SCU_MPLL_DENUM_SHIFT 0 #define SCU_MPLL_DENUM_MASK 0x1f #define SCU_MPLL_NUM_SHIFT 5 -#define SCU_MPLL_NUM_MASK 0xff +#define SCU_MPLL_NUM_MASK (0xff << SCU_MPLL_NUM_SHIFT) #define SCU_MPLL_POST_SHIFT 13 -#define SCU_MPLL_POST_MASK 0x3f +#define SCU_MPLL_POST_MASK (0x3f << SCU_MPLL_POST_SHIFT) #define SCU_PCLK_DIV_SHIFT 23 -#define SCU_PCLK_DIV_MASK 7 +#define SCU_PCLK_DIV_MASK (7 << SCU_PCLK_DIV_SHIFT) #define SCU_HPLL_DENUM_SHIFT 0 #define SCU_HPLL_DENUM_MASK 0x1f #define SCU_HPLL_NUM_SHIFT 5 -#define SCU_HPLL_NUM_MASK 0xff +#define SCU_HPLL_NUM_MASK (0xff << SCU_HPLL_NUM_SHIFT) #define SCU_HPLL_POST_SHIFT 13 -#define SCU_HPLL_POST_MASK 0x3f +#define SCU_HPLL_POST_MASK (0x3f << SCU_HPLL_POST_SHIFT) #define SCU_MACCLK_SHIFT 16 #define SCU_MACCLK_MASK (7 << SCU_MACCLK_SHIFT) diff --git a/arch/arm/mach-aspeed/ast2500/sdram_ast2500.c b/arch/arm/mach-aspeed/ast2500/sdram_ast2500.c index efcf452b17..6383f727f2 100644 --- a/arch/arm/mach-aspeed/ast2500/sdram_ast2500.c +++ b/arch/arm/mach-aspeed/ast2500/sdram_ast2500.c @@ -183,9 +183,8 @@ static int ast2500_sdrammc_ddr4_calibrate_vref(struct dram_info *info) static size_t ast2500_sdrammc_get_vga_mem_size(struct dram_info *info) { size_t vga_mem_size_base = 8 * 1024 * 1024; - u32 vga_hwconf = (readl(&info->scu->hwstrap) - >> SCU_HWSTRAP_VGAMEM_SHIFT) - & SCU_HWSTRAP_VGAMEM_MASK; + u32 vga_hwconf = (readl(&info->scu->hwstrap) & SCU_HWSTRAP_VGAMEM_MASK) + >> SCU_HWSTRAP_VGAMEM_SHIFT; return vga_mem_size_base << vga_hwconf; } diff --git a/drivers/clk/aspeed/clk_ast2500.c b/drivers/clk/aspeed/clk_ast2500.c index 7b4b5c64ac..ccf47a1da1 100644 --- a/drivers/clk/aspeed/clk_ast2500.c +++ b/drivers/clk/aspeed/clk_ast2500.c @@ -52,11 +52,11 @@ struct ast2500_div_config { */ static ulong ast2500_get_mpll_rate(ulong clkin, u32 mpll_reg) { - const ulong num = (mpll_reg >> SCU_MPLL_NUM_SHIFT) & SCU_MPLL_NUM_MASK; - const ulong denum = (mpll_reg >> SCU_MPLL_DENUM_SHIFT) - & SCU_MPLL_DENUM_MASK; - const ulong post_div = (mpll_reg >> SCU_MPLL_POST_SHIFT) - & SCU_MPLL_POST_MASK; + const ulong num = (mpll_reg & SCU_MPLL_NUM_MASK) >> SCU_MPLL_NUM_SHIFT; + const ulong denum = (mpll_reg & SCU_MPLL_DENUM_MASK) + >> SCU_MPLL_DENUM_SHIFT; + const ulong post_div = (mpll_reg & SCU_MPLL_POST_MASK) + >> SCU_MPLL_POST_SHIFT; return (clkin * ((num + 1) / (denum + 1))) / (post_div + 1); } @@ -67,11 +67,11 @@ static ulong ast2500_get_mpll_rate(ulong clkin, u32 mpll_reg) */ static ulong ast2500_get_hpll_rate(ulong clkin, u32 hpll_reg) { - const ulong num = (hpll_reg >> SCU_HPLL_NUM_SHIFT) & SCU_HPLL_NUM_MASK; - const ulong denum = (hpll_reg >> SCU_HPLL_DENUM_SHIFT) - & SCU_HPLL_DENUM_MASK; - const ulong post_div = (hpll_reg >> SCU_HPLL_POST_SHIFT) - & SCU_HPLL_POST_MASK; + const ulong num = (hpll_reg & SCU_HPLL_NUM_MASK) >> SCU_HPLL_NUM_SHIFT; + const ulong denum = (hpll_reg & SCU_HPLL_DENUM_MASK) + >> SCU_HPLL_DENUM_SHIFT; + const ulong post_div = (hpll_reg & SCU_HPLL_POST_MASK) + >> SCU_HPLL_POST_SHIFT; return (clkin * ((num + 1) / (denum + 1))) / (post_div + 1); } @@ -136,11 +136,11 @@ static ulong ast2500_clk_get_rate(struct clk *clk) case BCLK_PCLK: { ulong apb_div = 4 + 4 * ((readl(&priv->scu->clk_sel1) - >> SCU_PCLK_DIV_SHIFT) & - SCU_PCLK_DIV_MASK); + & SCU_PCLK_DIV_MASK) + >> SCU_PCLK_DIV_SHIFT); rate = ast2500_get_hpll_rate(clkin, - readl(&priv->scu-> - h_pll_param)); + readl(&priv-> + scu->h_pll_param)); rate = rate / apb_div; } break; @@ -223,17 +223,16 @@ static ulong ast2500_configure_ddr(struct ast2500_scu *scu, ulong rate) ulong clkin = ast2500_get_clkin(scu); u32 mpll_reg; struct ast2500_div_config div_cfg = { - .num = SCU_MPLL_NUM_MASK, - .denum = SCU_MPLL_DENUM_MASK, - .post_div = SCU_MPLL_POST_MASK + .num = (SCU_MPLL_NUM_MASK >> SCU_MPLL_NUM_SHIFT), + .denum = (SCU_MPLL_DENUM_MASK >> SCU_MPLL_DENUM_SHIFT), + .post_div = (SCU_MPLL_POST_MASK >> SCU_MPLL_POST_SHIFT), }; ast2500_calc_clock_config(clkin, rate, &div_cfg); mpll_reg = readl(&scu->m_pll_param); - mpll_reg &= ~((SCU_MPLL_POST_MASK << SCU_MPLL_POST_SHIFT) - | (SCU_MPLL_NUM_MASK << SCU_MPLL_NUM_SHIFT) - | (SCU_MPLL_DENUM_MASK << SCU_MPLL_DENUM_SHIFT)); + mpll_reg &= ~(SCU_MPLL_POST_MASK | SCU_MPLL_NUM_MASK + | SCU_MPLL_DENUM_MASK); mpll_reg |= (div_cfg.post_div << SCU_MPLL_POST_SHIFT) | (div_cfg.num << SCU_MPLL_NUM_SHIFT) | (div_cfg.denum << SCU_MPLL_DENUM_SHIFT); -- 2.12.2.762.g0e3151a226-goog