[U-Boot,v2,4/7] sunxi: Add clock support for DE2/HDMI/TCON on newer SoCs

Message ID	20170320220128.21535-5-jernej.skrabec@siol.net
State	Superseded
Delegated to:	Jagannadha Sutradharudu Teki
Headers	show Return-Path: <u-boot-bounces@lists.denx.de> sender: 031275009) by mail.siol.net (Postfix) with ESMTPSA id 45FA752114D; Mon, 20 Mar 2017 23:01:49 +0100 (CET) From: Jernej Skrabec <jernej.skrabec@siol.net> To: u-boot@lists.denx.de Date: Mon, 20 Mar 2017 23:01:25 +0100 Message-Id: <20170320220128.21535-5-jernej.skrabec@siol.net> In-Reply-To: <20170320220128.21535-1-jernej.skrabec@siol.net> References: <20170320220128.21535-1-jernej.skrabec@siol.net> Cc: Jernej Skrabec <jernej.skrabec@siol.net>, Patrick Delaunay <patrick.delaunay@st.com>, Hans de Goede <hdegoede@redhat.com>, linux-sunxi@googlegroups.com, icenowy@aosc.xyz, Maxime Ripard <maxime.ripard@free-electrons.com>, Jagan Teki <jagan@openedev.com> Subject: [U-Boot] [PATCH v2 4/7] sunxi: Add clock support for DE2/HDMI/TCON on newer SoCs Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de>

diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h index 1aefd5a64c..a44ea77576 100644 --- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h +++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h @@ -67,13 +67,22 @@ struct sunxi_ccm_reg { u32 dram_pll_cfg; /* 0xf8 PLL_DDR cfg register, A33 only */ u32 mbus_reset; /* 0xfc MBUS reset control, A33 only */ u32 dram_clk_gate; /* 0x100 DRAM module gating */ +#ifdef CONFIG_SUNXI_DE2 + u32 de_clk_cfg; /* 0x104 DE module clock */ +#else u32 be0_clk_cfg; /* 0x104 BE0 module clock */ +#endif u32 be1_clk_cfg; /* 0x108 BE1 module clock */ u32 fe0_clk_cfg; /* 0x10c FE0 module clock */ u32 fe1_clk_cfg; /* 0x110 FE1 module clock */ u32 mp_clk_cfg; /* 0x114 MP module clock */ +#ifdef CONFIG_SUNXI_DE2 + u32 lcd0_clk_cfg; /* 0x118 LCD0 module clock */ + u32 lcd1_clk_cfg; /* 0x11c LCD1 module clock */ +#else u32 lcd0_ch0_clk_cfg; /* 0x118 LCD0 CH0 module clock */ u32 lcd1_ch0_clk_cfg; /* 0x11c LCD1 CH0 module clock */ +#endif u32 reserved14[3]; u32 lcd0_ch1_clk_cfg; /* 0x12c LCD0 CH1 module clock */ u32 lcd1_ch1_clk_cfg; /* 0x130 LCD1 CH1 module clock */ @@ -85,7 +94,11 @@ struct sunxi_ccm_reg { u32 dmic_clk_cfg; /* 0x148 Digital Mic module clock*/ u32 reserved15; u32 hdmi_clk_cfg; /* 0x150 HDMI module clock */ +#ifdef CONFIG_SUNXI_DE2 + u32 hdmi_slow_clk_cfg; /* 0x154 HDMI slow module clock */ +#else u32 ps_clk_cfg; /* 0x154 PS module clock */ +#endif u32 mtc_clk_cfg; /* 0x158 MTC module clock */ u32 mbus0_clk_cfg; /* 0x15c MBUS0 module clock */ u32 mbus1_clk_cfg; /* 0x160 MBUS1 module clock */ @@ -193,6 +206,7 @@ struct sunxi_ccm_reg { #define CCM_PLL3_CTRL_N_MASK (0x7f << CCM_PLL3_CTRL_N_SHIFT) #define CCM_PLL3_CTRL_N(n) ((((n) - 1) & 0x7f) << 8) #define CCM_PLL3_CTRL_INTEGER_MODE (0x1 << 24) +#define CCM_PLL3_CTRL_LOCK (0x1 << 28) #define CCM_PLL3_CTRL_EN (0x1 << 31) #define CCM_PLL5_CTRL_M(n) ((((n) - 1) & 0x3) << 0) @@ -222,6 +236,16 @@ struct sunxi_ccm_reg { #define CCM_MIPI_PLL_CTRL_LDO_EN (0x3 << 22) #define CCM_MIPI_PLL_CTRL_EN (0x1 << 31) +#define CCM_PLL10_CTRL_M_SHIFT 0 +#define CCM_PLL10_CTRL_M_MASK (0xf << CCM_PLL10_CTRL_M_SHIFT) +#define CCM_PLL10_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_PLL10_CTRL_N_SHIFT 8 +#define CCM_PLL10_CTRL_N_MASK (0x7f << CCM_PLL10_CTRL_N_SHIFT) +#define CCM_PLL10_CTRL_N(n) ((((n) - 1) & 0x7f) << 8) +#define CCM_PLL10_CTRL_INTEGER_MODE (0x1 << 24) +#define CCM_PLL10_CTRL_LOCK (0x1 << 28) +#define CCM_PLL10_CTRL_EN (0x1 << 31) + #define CCM_PLL11_CTRL_N(n) ((((n) - 1) & 0x3f) << 8) #define CCM_PLL11_CTRL_SIGMA_DELTA_EN (0x1 << 24) #define CCM_PLL11_CTRL_UPD (0x1 << 30) @@ -273,9 +297,15 @@ struct sunxi_ccm_reg { #define AHB_GATE_OFFSET_DRC0 25 #define AHB_GATE_OFFSET_DE_FE0 14 #define AHB_GATE_OFFSET_DE_BE0 12 +#define AHB_GATE_OFFSET_DE 12 #define AHB_GATE_OFFSET_HDMI 11 +#ifndef CONFIG_SUNXI_DE2 #define AHB_GATE_OFFSET_LCD1 5 #define AHB_GATE_OFFSET_LCD0 4 +#else +#define AHB_GATE_OFFSET_LCD1 4 +#define AHB_GATE_OFFSET_LCD0 3 +#endif #define CCM_MMC_CTRL_M(x) ((x) - 1) #define CCM_MMC_CTRL_OCLK_DLY(x) ((x) << 8) @@ -357,6 +387,12 @@ struct sunxi_ccm_reg { #define CCM_LCD_CH1_CTRL_PLL7_2X (3 << 24) #define CCM_LCD_CH1_CTRL_GATE (0x1 << 31) +#define CCM_LCD0_CTRL_GATE (0x1 << 31) +#define CCM_LCD0_CTRL_M(n) ((((n) - 1) & 0xf) << 0) + +#define CCM_LCD1_CTRL_GATE (0x1 << 31) +#define CCM_LCD1_CTRL_M(n) ((((n) - 1) & 0xf) << 0) + #define CCM_HDMI_CTRL_M(n) ((((n) - 1) & 0xf) << 0) #define CCM_HDMI_CTRL_PLL_MASK (3 << 24) #define CCM_HDMI_CTRL_PLL3 (0 << 24) @@ -366,6 +402,8 @@ struct sunxi_ccm_reg { #define CCM_HDMI_CTRL_DDC_GATE (0x1 << 30) #define CCM_HDMI_CTRL_GATE (0x1 << 31) +#define CCM_HDMI_SLOW_CTRL_DDC_GATE (1 << 31) + #if defined(CONFIG_MACH_SUN50I) #define MBUS_CLK_DEFAULT 0x81000002 /* PLL6x2 / 3 */ #elif defined(CONFIG_MACH_SUN8I) @@ -393,9 +431,16 @@ struct sunxi_ccm_reg { #define AHB_RESET_OFFSET_DRC0 25 #define AHB_RESET_OFFSET_DE_FE0 14 #define AHB_RESET_OFFSET_DE_BE0 12 +#define AHB_RESET_OFFSET_DE 12 #define AHB_RESET_OFFSET_HDMI 11 +#define AHB_RESET_OFFSET_HDMI2 10 +#ifndef CONFIG_SUNXI_DE2 #define AHB_RESET_OFFSET_LCD1 5 #define AHB_RESET_OFFSET_LCD0 4 +#else +#define AHB_RESET_OFFSET_LCD1 4 +#define AHB_RESET_OFFSET_LCD0 3 +#endif /* ahb_reset2 offsets */ #define AHB_RESET_OFFSET_EPHY 2 @@ -418,6 +463,13 @@ struct sunxi_ccm_reg { #define CCM_DE_CTRL_PLL10 (5 << 24) #define CCM_DE_CTRL_GATE (1 << 31) +/* CCM bits common to all Display Engine 2.0 clock ctrl regs */ +#define CCM_DE2_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_DE2_CTRL_PLL_MASK (3 << 24) +#define CCM_DE2_CTRL_PLL6_2X (0 << 24) +#define CCM_DE2_CTRL_PLL10 (1 << 24) +#define CCM_DE2_CTRL_GATE (0x1 << 31) + /* CCU security switch, H3 only */ #define CCM_SEC_SWITCH_MBUS_NONSEC (1 << 2) #define CCM_SEC_SWITCH_BUS_NONSEC (1 << 1) @@ -426,7 +478,9 @@ struct sunxi_ccm_reg { #ifndef __ASSEMBLY__ void clock_set_pll1(unsigned int hz); void clock_set_pll3(unsigned int hz); +void clock_set_pll3_factors(int m, int n); void clock_set_pll5(unsigned int clk, bool sigma_delta_enable); +void clock_set_pll10(unsigned int hz); void clock_set_pll11(unsigned int clk, bool sigma_delta_enable); void clock_set_mipi_pll(unsigned int hz); unsigned int clock_get_pll3(void); diff --git a/arch/arm/mach-sunxi/clock_sun6i.c b/arch/arm/mach-sunxi/clock_sun6i.c index 3c8c53fcf7..7a59f4cd74 100644 --- a/arch/arm/mach-sunxi/clock_sun6i.c +++ b/arch/arm/mach-sunxi/clock_sun6i.c @@ -35,7 +35,7 @@ void clock_init_safe(void) clrbits_le32(&prcm->pll_ctrl1, PRCM_PLL_CTRL_LDO_KEY_MASK); #endif -#ifdef CONFIG_MACH_SUN8I_R40 +#if defined(CONFIG_MACH_SUN8I_R40) || defined(CONFIG_MACH_SUN50I) /* Set PLL lock enable bits and switch to old lock mode */ writel(GENMASK(12, 0), &ccm->pll_lock_ctrl); #endif @@ -150,6 +150,22 @@ void clock_set_pll3(unsigned int clk) &ccm->pll3_cfg); } +#ifdef CONFIG_SUNXI_DE2 +void clock_set_pll3_factors(int m, int n) +{ + struct sunxi_ccm_reg * const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + /* PLL3 rate = 24000000 * n / m */ + writel(CCM_PLL3_CTRL_EN | CCM_PLL3_CTRL_INTEGER_MODE | + CCM_PLL3_CTRL_N(n) | CCM_PLL3_CTRL_M(m), + &ccm->pll3_cfg); + + while (!(readl(&ccm->pll3_cfg) & CCM_PLL3_CTRL_LOCK)) + ; +} +#endif + void clock_set_pll5(unsigned int clk, bool sigma_delta_enable) { struct sunxi_ccm_reg * const ccm = @@ -222,6 +238,28 @@ done: } #endif +#ifdef CONFIG_SUNXI_DE2 +void clock_set_pll10(unsigned int clk) +{ + struct sunxi_ccm_reg * const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + const int m = 2; /* 12 MHz steps */ + + if (clk == 0) { + clrbits_le32(&ccm->pll10_cfg, CCM_PLL10_CTRL_EN); + return; + } + + /* PLL10 rate = 24000000 * n / m */ + writel(CCM_PLL10_CTRL_EN | CCM_PLL10_CTRL_INTEGER_MODE | + CCM_PLL10_CTRL_N(clk / (24000000 / m)) | CCM_PLL10_CTRL_M(m), + &ccm->pll10_cfg); + + while (!(readl(&ccm->pll10_cfg) & CCM_PLL10_CTRL_LOCK)) + ; +} +#endif + #if defined(CONFIG_MACH_SUN8I_A33) || defined(CONFIG_MACH_SUN50I) void clock_set_pll11(unsigned int clk, bool sigma_delta_enable) { diff --git a/drivers/video/sunxi/lcdc.c b/drivers/video/sunxi/lcdc.c index 8c8fb2e4ee..7d215b713e 100644 --- a/drivers/video/sunxi/lcdc.c +++ b/drivers/video/sunxi/lcdc.c @@ -74,9 +74,11 @@ void lcdc_tcon0_mode_set(struct sunxi_lcdc_reg * const lcdc, { int bp, clk_delay, total, val; +#ifndef CONFIG_SUNXI_DE2 /* Use tcon0 */ clrsetbits_le32(&lcdc->ctrl, SUNXI_LCDC_CTRL_IO_MAP_MASK, SUNXI_LCDC_CTRL_IO_MAP_TCON0); +#endif clk_delay = lcdc_get_clk_delay(mode, 0); writel(SUNXI_LCDC_TCON0_CTRL_ENABLE | @@ -149,9 +151,11 @@ void lcdc_tcon1_mode_set(struct sunxi_lcdc_reg * const lcdc, { int bp, clk_delay, total, val, yres; +#ifndef CONFIG_SUNXI_DE2 /* Use tcon1 */ clrsetbits_le32(&lcdc->ctrl, SUNXI_LCDC_CTRL_IO_MAP_MASK, SUNXI_LCDC_CTRL_IO_MAP_TCON1); +#endif clk_delay = lcdc_get_clk_delay(mode, 1); writel(SUNXI_LCDC_TCON1_CTRL_ENABLE | diff --git a/include/configs/sun50i.h b/include/configs/sun50i.h index 1b7bfb6c22..146f7f4e1b 100644 --- a/include/configs/sun50i.h +++ b/include/configs/sun50i.h @@ -21,6 +21,8 @@ #define GICD_BASE 0x1c81000 #define GICC_BASE 0x1c82000 +#define CONFIG_SUNXI_DE2 + /* * Include common sunxi configuration where most the settings are */ diff --git a/include/configs/sun8i.h b/include/configs/sun8i.h index a4c3fb69e4..c42b901107 100644 --- a/include/configs/sun8i.h +++ b/include/configs/sun8i.h @@ -25,6 +25,10 @@ #define CONFIG_SUNXI_USB_PHYS 2 #endif +#ifdef CONFIG_MACH_SUNXI_H3_H5 +#define CONFIG_SUNXI_DE2 +#endif + /* * Include common sunxi configuration where most the settings are */ diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt index 8e5dc36fa7..ba0eb12665 100644 --- a/scripts/config_whitelist.txt +++ b/scripts/config_whitelist.txt @@ -3102,6 +3102,7 @@ CONFIG_STV0991_HZ_CLOCK CONFIG_ST_SMI CONFIG_SUN4 CONFIG_SUNXI_AHCI +CONFIG_SUNXI_DE2 CONFIG_SUNXI_EMAC CONFIG_SUNXI_GMAC CONFIG_SUNXI_GPIO

[U-Boot,v2,4/7] sunxi: Add clock support for DE2/HDMI/TCON on newer SoCs

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