From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 25 May 2023 01:45:59 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1q1yB6-00Crlp-B1 for lore@lore.pengutronix.de; Thu, 25 May 2023 01:45:59 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q1yAu-0007d7-Q8 for lore@pengutronix.de; Thu, 25 May 2023 01:45:58 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=d+rpXtiln+DR086qxkdIpxx4Pwe7/DZWHjsEKZjGed4=; b=NR53pd/65j5haV0xdgSy3JDE09 4eSd8qM4hSnJS3ubi5voZhv430kaSu6536kp8OyLKvNuEAVP0iXPT0bxGX7QlkkNDo0zV8yUyQ/xp tGpbYk/4Q7ftchUonKzvgGQ1F6xuX8F3035TsbMIn58ep8egNYBPNXekHS+Re0tL01jvAJNt6n+sH BGyrOoAkKa6RO5xwR3JzyhK1kXJgzwlYY2/lR4k0yxAD8rqd2V/bL973GebuAczErxayaq1qtgdnO zXO9oxKU1vWZMtk05EziokGJ1XL2b2Vsr8WknVaEytKXsvMqMm7owHvfiwF+TejLmfV51JUybLJ0/ HWdp7rhA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q1y9D-00EzUU-0J; Wed, 24 May 2023 23:44:03 +0000 Received: from relay5-d.mail.gandi.net ([217.70.183.197]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q1y8x-00EzKS-1v for barebox@lists.infradead.org; Wed, 24 May 2023 23:43:55 +0000 Received: (Authenticated sender: jmaselbas@zdiv.net) by mail.gandi.net (Postfix) with ESMTPSA id 8ABAE1C000E; Wed, 24 May 2023 23:43:40 +0000 (UTC) From: Jules Maselbas To: barebox@lists.infradead.org Cc: Jules Maselbas Date: Thu, 25 May 2023 01:43:25 +0200 Message-Id: <20230524234328.82741-11-jmaselbas@zdiv.net> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230524234328.82741-1-jmaselbas@zdiv.net> References: <20230524234328.82741-1-jmaselbas@zdiv.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v2 10/13] ARM: sunxi: Add sun50i SDRAM init X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Adapted from u-boot. Signed-off-by: Jules Maselbas --- arch/arm/mach-sunxi/Makefile | 2 + arch/arm/mach-sunxi/clock_sun6i.h | 540 ++++++++++ arch/arm/mach-sunxi/ddr3_1333.c | 85 ++ arch/arm/mach-sunxi/dram_sunxi_dw.h | 241 +++++ arch/arm/mach-sunxi/lpddr3_stock.c | 81 ++ arch/arm/mach-sunxi/sun50i-a64-ddr3-init.c | 9 + arch/arm/mach-sunxi/sun50i-a64-lpddr3-init.c | 9 + arch/arm/mach-sunxi/sun50i-sdram.c | 903 ++++++++++++++++ arch/arm/mach-sunxi/sunxi-sdram.c | 1007 ++++++++++++++++++ include/mach/sunxi/init.h | 3 + 10 files changed, 2880 insertions(+) create mode 100644 arch/arm/mach-sunxi/clock_sun6i.h create mode 100644 arch/arm/mach-sunxi/ddr3_1333.c create mode 100644 arch/arm/mach-sunxi/dram_sunxi_dw.h create mode 100644 arch/arm/mach-sunxi/lpddr3_stock.c create mode 100644 arch/arm/mach-sunxi/sun50i-a64-ddr3-init.c create mode 100644 arch/arm/mach-sunxi/sun50i-a64-lpddr3-init.c create mode 100644 arch/arm/mach-sunxi/sun50i-sdram.c create mode 100644 arch/arm/mach-sunxi/sunxi-sdram.c diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile index d678973ca2..0808a21605 100644 --- a/arch/arm/mach-sunxi/Makefile +++ b/arch/arm/mach-sunxi/Makefile @@ -1,2 +1,4 @@ obj-y += sunxi.o lwl-y += cpu_init.o +lwl-y += sun50i-a64-ddr3-init.o +lwl-y += sun50i-a64-lpddr3-init.o diff --git a/arch/arm/mach-sunxi/clock_sun6i.h b/arch/arm/mach-sunxi/clock_sun6i.h new file mode 100644 index 0000000000..b9893f5a77 --- /dev/null +++ b/arch/arm/mach-sunxi/clock_sun6i.h @@ -0,0 +1,540 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * sun6i clock register definitions + * + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. + * Tom Cubie + */ + +#ifndef _SUNXI_CLOCK_SUN6I_H +#define _SUNXI_CLOCK_SUN6I_H + +struct sunxi_ccm_reg { + u32 pll1_cfg; /* 0x00 pll1 control */ + u32 reserved0; + u32 pll2_cfg; /* 0x08 pll2 control */ + u32 reserved1; + u32 pll3_cfg; /* 0x10 pll3 control */ + u32 reserved2; + u32 pll4_cfg; /* 0x18 pll4 control */ + u32 reserved3; + u32 pll5_cfg; /* 0x20 pll5 control */ + u32 reserved4; + u32 pll6_cfg; /* 0x28 pll6 control */ + u32 reserved5; + u32 pll7_cfg; /* 0x30 pll7 control */ + u32 sata_pll_cfg; /* 0x34 SATA pll control (R40 only) */ + u32 pll8_cfg; /* 0x38 pll8 control */ + u32 reserved7; + u32 mipi_pll_cfg; /* 0x40 MIPI pll control */ + u32 pll9_cfg; /* 0x44 pll9 control */ + u32 pll10_cfg; /* 0x48 pll10 control */ + u32 pll11_cfg; /* 0x4c pll11 (ddr1) control (A33 only) */ + u32 cpu_axi_cfg; /* 0x50 CPU/AXI divide ratio */ + u32 ahb1_apb1_div; /* 0x54 AHB1/APB1 divide ratio */ + u32 apb2_div; /* 0x58 APB2 divide ratio */ + u32 axi_gate; /* 0x5c axi module clock gating */ + u32 ahb_gate0; /* 0x60 ahb module clock gating 0 */ + u32 ahb_gate1; /* 0x64 ahb module clock gating 1 */ + u32 apb1_gate; /* 0x68 apb1 module clock gating */ + u32 apb2_gate; /* 0x6c apb2 module clock gating */ + u32 bus_gate4; /* 0x70 gate 4 module clock gating */ + u8 res3[0xc]; + u32 nand0_clk_cfg; /* 0x80 nand0 clock control */ + u32 nand1_clk_cfg; /* 0x84 nand1 clock control */ + u32 sd0_clk_cfg; /* 0x88 sd0 clock control */ + u32 sd1_clk_cfg; /* 0x8c sd1 clock control */ + u32 sd2_clk_cfg; /* 0x90 sd2 clock control */ + u32 sd3_clk_cfg; /* 0x94 sd3 clock control */ + u32 ts_clk_cfg; /* 0x98 transport stream clock control */ + u32 ss_clk_cfg; /* 0x9c security system clock control */ + u32 spi0_clk_cfg; /* 0xa0 spi0 clock control */ + u32 spi1_clk_cfg; /* 0xa4 spi1 clock control */ + u32 spi2_clk_cfg; /* 0xa8 spi2 clock control */ + u32 spi3_clk_cfg; /* 0xac spi3 clock control */ + u32 i2s0_clk_cfg; /* 0xb0 I2S0 clock control*/ + u32 i2s1_clk_cfg; /* 0xb4 I2S1 clock control */ + u32 reserved10[2]; + u32 spdif_clk_cfg; /* 0xc0 SPDIF clock control */ + u32 reserved11; + u32 sata_clk_cfg; /* 0xc8 SATA clock control (R40 only) */ + u32 usb_clk_cfg; /* 0xcc USB clock control */ +#ifdef CONFIG_MACH_SUN8I_R40 + u32 cir0_clk_cfg; /* 0xd0 CIR0 clock control (R40 only) */ +#else + u32 gmac_clk_cfg; /* 0xd0 GMAC clock control (not for R40) */ +#endif + u32 reserved12[7]; + u32 mdfs_clk_cfg; /* 0xf0 MDFS clock control */ + u32 dram_clk_cfg; /* 0xf4 DRAM configuration clock control */ + 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 tve_clk_cfg; /* 0x120 H3/H5 TVE module clock */ + u32 reserved14[2]; + u32 lcd0_ch1_clk_cfg; /* 0x12c LCD0 CH1 module clock */ + u32 lcd1_ch1_clk_cfg; /* 0x130 LCD1 CH1 module clock */ + u32 csi0_clk_cfg; /* 0x134 CSI0 module clock */ + u32 csi1_clk_cfg; /* 0x138 CSI1 module clock */ + u32 ve_clk_cfg; /* 0x13c VE module clock */ + u32 adda_clk_cfg; /* 0x140 ADDA module clock */ + u32 avs_clk_cfg; /* 0x144 AVS module clock */ + 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 */ +#ifdef CONFIG_MACH_SUN8I_R40 + u32 gmac_clk_cfg; /* 0x164 GMAC clock control (R40 only) */ +#else + u32 reserved16; +#endif + u32 mipi_dsi_clk_cfg; /* 0x168 MIPI DSI clock control */ + u32 mipi_csi_clk_cfg; /* 0x16c MIPI CSI clock control */ + u32 reserved17[4]; + u32 iep_drc0_clk_cfg; /* 0x180 IEP DRC0 module clock */ + u32 iep_drc1_clk_cfg; /* 0x184 IEP DRC1 module clock */ + u32 iep_deu0_clk_cfg; /* 0x188 IEP DEU0 module clock */ + u32 iep_deu1_clk_cfg; /* 0x18c IEP DEU1 module clock */ + u32 reserved18[4]; + u32 gpu_core_clk_cfg; /* 0x1a0 GPU core clock config */ + u32 gpu_mem_clk_cfg; /* 0x1a4 GPU memory clock config */ + u32 gpu_hyd_clk_cfg; /* 0x1a0 GPU HYD clock config */ + u32 reserved19[21]; + u32 pll_lock; /* 0x200 PLL Lock Time */ + u32 pll1_lock; /* 0x204 PLL1 Lock Time */ + u32 reserved20[6]; + u32 pll1_bias_cfg; /* 0x220 PLL1 Bias config */ + u32 pll2_bias_cfg; /* 0x224 PLL2 Bias config */ + u32 pll3_bias_cfg; /* 0x228 PLL3 Bias config */ + u32 pll4_bias_cfg; /* 0x22c PLL4 Bias config */ + u32 pll5_bias_cfg; /* 0x230 PLL5 Bias config */ + u32 pll6_bias_cfg; /* 0x234 PLL6 Bias config */ + u32 pll7_bias_cfg; /* 0x238 PLL7 Bias config */ + u32 pll8_bias_cfg; /* 0x23c PLL8 Bias config */ + u32 mipi_bias_cfg; /* 0x240 MIPI Bias config */ + u32 pll9_bias_cfg; /* 0x244 PLL9 Bias config */ + u32 pll10_bias_cfg; /* 0x248 PLL10 Bias config */ + u32 reserved21[5]; + u32 pll5_tuning_cfg; /* 0x260 PLL5 Tuning config */ + u32 reserved21_5[7]; + u32 pll1_pattern_cfg; /* 0x280 PLL1 Pattern config */ + u32 pll2_pattern_cfg; /* 0x284 PLL2 Pattern config */ + u32 pll3_pattern_cfg; /* 0x288 PLL3 Pattern config */ + u32 pll4_pattern_cfg; /* 0x28c PLL4 Pattern config */ + u32 pll5_pattern_cfg; /* 0x290 PLL5 Pattern config */ + u32 pll6_pattern_cfg; /* 0x294 PLL6 Pattern config */ + u32 pll7_pattern_cfg; /* 0x298 PLL7 Pattern config */ + u32 pll8_pattern_cfg; /* 0x29c PLL8 Pattern config */ + u32 mipi_pattern_cfg; /* 0x2a0 MIPI Pattern config */ + u32 pll9_pattern_cfg; /* 0x2a4 PLL9 Pattern config */ + u32 pll10_pattern_cfg; /* 0x2a8 PLL10 Pattern config */ + u32 pll11_pattern_cfg0; /* 0x2ac PLL11 Pattern config0, A33 only */ + u32 pll11_pattern_cfg1; /* 0x2b0 PLL11 Pattern config0, A33 only */ + u32 reserved22[3]; + u32 ahb_reset0_cfg; /* 0x2c0 AHB1 Reset 0 config */ + u32 ahb_reset1_cfg; /* 0x2c4 AHB1 Reset 1 config */ + u32 ahb_reset2_cfg; /* 0x2c8 AHB1 Reset 2 config */ + u32 reserved23; + u32 apb1_reset_cfg; /* 0x2d0 APB1 Reset config */ + u32 reserved24; + u32 apb2_reset_cfg; /* 0x2d8 APB2 Reset config */ + u32 reserved25[5]; + u32 ccu_sec_switch; /* 0x2f0 CCU Security Switch, H3 only */ + u32 reserved26[11]; + u32 pll_lock_ctrl; /* 0x320 PLL lock control, R40 only */ +}; + +/* apb2 bit field */ +#define APB2_CLK_SRC_LOSC (0x0 << 24) +#define APB2_CLK_SRC_OSC24M (0x1 << 24) +#define APB2_CLK_SRC_PLL6 (0x2 << 24) +#define APB2_CLK_SRC_MASK (0x3 << 24) +#define APB2_CLK_RATE_N_1 (0x0 << 16) +#define APB2_CLK_RATE_N_2 (0x1 << 16) +#define APB2_CLK_RATE_N_4 (0x2 << 16) +#define APB2_CLK_RATE_N_8 (0x3 << 16) +#define APB2_CLK_RATE_N_MASK (3 << 16) +#define APB2_CLK_RATE_M(m) (((m)-1) << 0) +#define APB2_CLK_RATE_M_MASK (0x1f << 0) + +/* apb2 gate field */ +#define APB2_GATE_UART_SHIFT (16) +#define APB2_GATE_UART_MASK (0xff << APB2_GATE_UART_SHIFT) +#define APB2_GATE_TWI_SHIFT (0) +#define APB2_GATE_TWI_MASK (0xf << APB2_GATE_TWI_SHIFT) + +/* cpu_axi_cfg bits */ +#define AXI_DIV_SHIFT 0 +#define ATB_DIV_SHIFT 8 +#define CPU_CLK_SRC_SHIFT 16 + +#define AXI_DIV_1 0 +#define AXI_DIV_2 1 +#define AXI_DIV_3 2 +#define AXI_DIV_4 3 +#define ATB_DIV_1 0 +#define ATB_DIV_2 1 +#define ATB_DIV_4 2 +#define AHB_DIV_1 0 +#define CPU_CLK_SRC_OSC24M 1 +#define CPU_CLK_SRC_PLL1 2 + +#define CCM_PLL1_CTRL_M(n) ((((n) - 1) & 0x3) << 0) +#define CCM_PLL1_CTRL_K(n) ((((n) - 1) & 0x3) << 4) +#define CCM_PLL1_CTRL_N(n) ((((n) - 1) & 0x1f) << 8) +#define CCM_PLL1_CTRL_P(n) (((n) & 0x3) << 16) +#define CCM_PLL1_CTRL_EN (0x1 << 31) +#define CCM_PLL1_CTRL_LOCK (0x1 << 28) + +#define CCM_PLL3_CTRL_M_SHIFT 0 +#define CCM_PLL3_CTRL_M_MASK (0xf << CCM_PLL3_CTRL_M_SHIFT) +#define CCM_PLL3_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_PLL3_CTRL_N_SHIFT 8 +#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) +#define CCM_PLL5_CTRL_K(n) ((((n) - 1) & 0x3) << 4) +#define CCM_PLL5_CTRL_N(n) ((((n) - 1) & 0x1f) << 8) +#define CCM_PLL5_CTRL_UPD (0x1 << 20) +#define CCM_PLL5_CTRL_SIGMA_DELTA_EN (0x1 << 24) +#define CCM_PLL5_CTRL_EN (0x1 << 31) + +#define PLL6_CFG_DEFAULT 0x90041811 /* 600 MHz */ + +#define CCM_PLL6_CTRL_N_SHIFT 8 +#define CCM_PLL6_CTRL_N_MASK (0x1f << CCM_PLL6_CTRL_N_SHIFT) +#define CCM_PLL6_CTRL_K_SHIFT 4 +#define CCM_PLL6_CTRL_K_MASK (0x3 << CCM_PLL6_CTRL_K_SHIFT) +#define CCM_PLL6_CTRL_LOCK (1 << 28) + +#define CCM_SATA_PLL_DEFAULT 0x90005811 /* 100 MHz */ + +#define CCM_MIPI_PLL_CTRL_M_SHIFT 0 +#define CCM_MIPI_PLL_CTRL_M_MASK (0xf << CCM_MIPI_PLL_CTRL_M_SHIFT) +#define CCM_MIPI_PLL_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_MIPI_PLL_CTRL_K_SHIFT 4 +#define CCM_MIPI_PLL_CTRL_K_MASK (0x3 << CCM_MIPI_PLL_CTRL_K_SHIFT) +#define CCM_MIPI_PLL_CTRL_K(n) ((((n) - 1) & 0x3) << 4) +#define CCM_MIPI_PLL_CTRL_N_SHIFT 8 +#define CCM_MIPI_PLL_CTRL_N_MASK (0xf << CCM_MIPI_PLL_CTRL_N_SHIFT) +#define CCM_MIPI_PLL_CTRL_N(n) ((((n) - 1) & 0xf) << 8) +#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) +#define CCM_PLL11_CTRL_EN (0x1 << 31) + +#define CCM_PLL5_TUN_LOCK_TIME(x) (((x) & 0x7) << 24) +#define CCM_PLL5_TUN_LOCK_TIME_MASK CCM_PLL5_TUN_LOCK_TIME(0x7) +#define CCM_PLL5_TUN_INIT_FREQ(x) (((x) & 0x7f) << 16) +#define CCM_PLL5_TUN_INIT_FREQ_MASK CCM_PLL5_TUN_INIT_FREQ(0x7f) + +#if defined(CONFIG_MACH_SUN50I) +/* AHB1=100MHz failsafe setup from the FEL mode, usable with PMIC defaults */ +#define AHB1_ABP1_DIV_DEFAULT 0x00003190 /* AHB1=PLL6/6,APB1=AHB1/2 */ +#else +#define AHB1_ABP1_DIV_DEFAULT 0x00003180 /* AHB1=PLL6/3,APB1=AHB1/2 */ +#endif + +#define AXI_GATE_OFFSET_DRAM 0 + +/* ahb_gate0 offsets */ +#ifdef CONFIG_MACH_SUNXI_H3_H5 +/* + * These are EHCI1 - EHCI3 in the datasheet (EHCI0 is for the OTG) we call + * them 0 - 2 like they were called on older SoCs. + */ +#define AHB_GATE_OFFSET_USB_OHCI3 31 +#define AHB_GATE_OFFSET_USB_OHCI2 30 +#define AHB_GATE_OFFSET_USB_OHCI1 29 +#define AHB_GATE_OFFSET_USB_OHCI0 28 +#define AHB_GATE_OFFSET_USB_EHCI3 27 +#define AHB_GATE_OFFSET_USB_EHCI2 26 +#define AHB_GATE_OFFSET_USB_EHCI1 25 +#define AHB_GATE_OFFSET_USB_EHCI0 24 +#elif defined(CONFIG_MACH_SUN50I) +#define AHB_GATE_OFFSET_USB_OHCI0 28 +#define AHB_GATE_OFFSET_USB_OHCI1 29 +#define AHB_GATE_OFFSET_USB_EHCI0 24 +#define AHB_GATE_OFFSET_USB_EHCI1 25 +#else +#define AHB_GATE_OFFSET_USB_OHCI1 30 +#define AHB_GATE_OFFSET_USB_OHCI0 29 +#define AHB_GATE_OFFSET_USB_EHCI1 27 +#define AHB_GATE_OFFSET_USB_EHCI0 26 +#endif +#if defined(CONFIG_MACH_SUN50I) || defined(CONFIG_MACH_SUNXI_H3_H5) +#define AHB_GATE_OFFSET_USB0 23 +#elif !defined(CONFIG_MACH_SUN8I_R40) +#define AHB_GATE_OFFSET_USB0 24 +#else +#define AHB_GATE_OFFSET_USB0 25 +#define AHB_GATE_OFFSET_SATA 24 +#endif +#define AHB_GATE_OFFSET_MCTL 14 +#define AHB_GATE_OFFSET_GMAC 17 +#define AHB_GATE_OFFSET_NAND0 13 +#define AHB_GATE_OFFSET_NAND1 12 +#define AHB_GATE_OFFSET_MMC3 11 +#define AHB_GATE_OFFSET_MMC2 10 +#define AHB_GATE_OFFSET_MMC1 9 +#define AHB_GATE_OFFSET_MMC0 8 +#define AHB_GATE_OFFSET_MMC(n) (AHB_GATE_OFFSET_MMC0 + (n)) +#define AHB_GATE_OFFSET_DMA 6 +#define AHB_GATE_OFFSET_SS 5 + +/* ahb_gate1 offsets */ +#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 +#define AHB_GATE_OFFSET_TVE 9 +#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_NAND_CTRL_M(x) ((x) - 1) +#define CCM_NAND_CTRL_N(x) ((x) << 16) +#define CCM_NAND_CTRL_PLL6 (0x1 << 24) +#define CCM_NAND_CTRL_ENABLE (0x1 << 31) + +#define CCM_MMC_CTRL_M(x) ((x) - 1) +#define CCM_MMC_CTRL_OCLK_DLY(x) ((x) << 8) +#define CCM_MMC_CTRL_N(x) ((x) << 16) +#define CCM_MMC_CTRL_SCLK_DLY(x) ((x) << 20) +#define CCM_MMC_CTRL_OSCM24 (0x0 << 24) +#define CCM_MMC_CTRL_PLL6 (0x1 << 24) +#define CCM_MMC_CTRL_PLL6X2 (0x1 << 24) // A64 has PLL_PERIPH0(2X) +#define CCM_MMC_CTRL_ENABLE (0x1 << 31) + +#define CCM_SATA_CTRL_ENABLE (0x1 << 31) +#define CCM_SATA_CTRL_USE_EXTCLK (0x1 << 24) + +#define CCM_USB_CTRL_PHY0_RST (0x1 << 0) +#define CCM_USB_CTRL_PHY1_RST (0x1 << 1) +#define CCM_USB_CTRL_PHY2_RST (0x1 << 2) +#define CCM_USB_CTRL_PHY3_RST (0x1 << 3) +/* There is no global phy clk gate on sun6i, define as 0 */ +#define CCM_USB_CTRL_PHYGATE 0 +#define CCM_USB_CTRL_PHY0_CLK (0x1 << 8) +#define CCM_USB_CTRL_PHY1_CLK (0x1 << 9) +#define CCM_USB_CTRL_PHY2_CLK (0x1 << 10) +#define CCM_USB_CTRL_PHY3_CLK (0x1 << 11) +#ifdef CONFIG_MACH_SUNXI_H3_H5 +#define CCM_USB_CTRL_OHCI0_CLK (0x1 << 16) +#define CCM_USB_CTRL_OHCI1_CLK (0x1 << 17) +#define CCM_USB_CTRL_OHCI2_CLK (0x1 << 18) +#define CCM_USB_CTRL_OHCI3_CLK (0x1 << 19) +#else +#define CCM_USB_CTRL_OHCI0_CLK (0x1 << 16) +#define CCM_USB_CTRL_OHCI1_CLK (0x1 << 17) +#endif + +#define CCM_GMAC_CTRL_TX_CLK_SRC_MII 0x0 +#define CCM_GMAC_CTRL_TX_CLK_SRC_EXT_RGMII 0x1 +#define CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII 0x2 +#define CCM_GMAC_CTRL_GPIT_MII (0x0 << 2) +#define CCM_GMAC_CTRL_GPIT_RGMII (0x1 << 2) +#define CCM_GMAC_CTRL_RX_CLK_DELAY(x) ((x) << 5) +#define CCM_GMAC_CTRL_TX_CLK_DELAY(x) ((x) << 10) + +#define MDFS_CLK_DEFAULT 0x81000002 /* PLL6 / 3 */ + +#define CCM_DRAMCLK_CFG_DIV(x) ((x - 1) << 0) +#define CCM_DRAMCLK_CFG_DIV_MASK (0xf << 0) +#define CCM_DRAMCLK_CFG_DIV0(x) ((x - 1) << 8) +#define CCM_DRAMCLK_CFG_DIV0_MASK (0xf << 8) +#define CCM_DRAMCLK_CFG_SRC_PLL5 (0x0 << 20) +#define CCM_DRAMCLK_CFG_SRC_PLL6x2 (0x1 << 20) +#define CCM_DRAMCLK_CFG_SRC_PLL11 (0x1 << 20) /* A64 only */ +#define CCM_DRAMCLK_CFG_SRC_MASK (0x3 << 20) +#define CCM_DRAMCLK_CFG_UPD (0x1 << 16) +#define CCM_DRAMCLK_CFG_RST (0x1 << 31) + +#define CCM_DRAMPLL_CFG_SRC_PLL5 (0x0 << 16) /* Select PLL5 (DDR0) */ +#define CCM_DRAMPLL_CFG_SRC_PLL11 (0x1 << 16) /* Select PLL11 (DDR1) */ +#define CCM_DRAMPLL_CFG_SRC_MASK (0x1 << 16) + +#define CCM_MBUS_RESET_RESET (0x1 << 31) + +#define CCM_DRAM_GATE_OFFSET_DE_FE0 24 +#define CCM_DRAM_GATE_OFFSET_DE_FE1 25 +#define CCM_DRAM_GATE_OFFSET_DE_BE0 26 +#define CCM_DRAM_GATE_OFFSET_DE_BE1 27 + +#ifdef CONFIG_MACH_SUN50I +#define CCM_LCD_CH0_CTRL_PLL3_2X (2 << 24) +#define CCM_LCD_CH0_CTRL_MIPI_PLL (0 << 24) +#else +#define CCM_LCD_CH0_CTRL_PLL3 (0 << 24) +#define CCM_LCD_CH0_CTRL_PLL7 (1 << 24) +#define CCM_LCD_CH0_CTRL_PLL3_2X (2 << 24) +#define CCM_LCD_CH0_CTRL_PLL7_2X (3 << 24) +#define CCM_LCD_CH0_CTRL_MIPI_PLL (4 << 24) +#endif +/* No reset bit in ch0_clk_cfg (reset is controlled through ahb_reset1) */ +#define CCM_LCD_CH0_CTRL_RST 0 +#define CCM_LCD_CH0_CTRL_GATE (0x1 << 31) + +#define CCM_LCD_CH1_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_LCD_CH1_CTRL_HALF_SCLK1 0 /* no seperate sclk1 & 2 on sun6i */ +#define CCM_LCD_CH1_CTRL_PLL3 (0 << 24) +#define CCM_LCD_CH1_CTRL_PLL7 (1 << 24) +#define CCM_LCD_CH1_CTRL_PLL3_2X (2 << 24) +#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) +#define CCM_HDMI_CTRL_PLL7 (1 << 24) +#define CCM_HDMI_CTRL_PLL3_2X (2 << 24) +#define CCM_HDMI_CTRL_PLL7_2X (3 << 24) +#define CCM_HDMI_CTRL_DDC_GATE (0x1 << 30) +#define CCM_HDMI_CTRL_GATE (0x1 << 31) + +#define CCM_HDMI_SLOW_CTRL_DDC_GATE (1 << 31) + +#define CCM_TVE_CTRL_GATE (0x1 << 31) +#define CCM_TVE_CTRL_M(n) ((((n) - 1) & 0xf) << 0) + +#if defined(CONFIG_MACH_SUN50I) +#define MBUS_CLK_DEFAULT 0x81000002 /* PLL6x2 / 3 */ +#elif defined(CONFIG_MACH_SUN8I) +#define MBUS_CLK_DEFAULT 0x81000003 /* PLL6 / 4 */ +#else +#define MBUS_CLK_DEFAULT 0x81000001 /* PLL6 / 2 */ +#endif +#define MBUS_CLK_GATE (0x1 << 31) + +#define CCM_PLL5_PATTERN 0xd1303333 +#define CCM_PLL11_PATTERN 0xf5860000 + +/* ahb_reset0 offsets */ +#ifdef CONFIG_MACH_SUN8I_R40 +#define AHB_RESET_OFFSET_SATA 24 +#endif +#define AHB_RESET_OFFSET_GMAC 17 +#define AHB_RESET_OFFSET_MCTL 14 +#define AHB_RESET_OFFSET_MMC3 11 +#define AHB_RESET_OFFSET_MMC2 10 +#define AHB_RESET_OFFSET_MMC1 9 +#define AHB_RESET_OFFSET_MMC0 8 +#define AHB_RESET_OFFSET_MMC(n) (AHB_RESET_OFFSET_MMC0 + (n)) +#define AHB_RESET_OFFSET_SS 5 + +/* ahb_reset1 offsets */ +#define AHB_RESET_OFFSET_SAT 26 +#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 +#define AHB_RESET_OFFSET_TVE 9 +#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 +#define AHB_RESET_OFFSET_LVDS 0 + +/* apb2 reset */ +#define APB2_RESET_UART_SHIFT (16) +#define APB2_RESET_UART_MASK (0xff << APB2_RESET_UART_SHIFT) +#define APB2_RESET_TWI_SHIFT (0) +#define APB2_RESET_TWI_MASK (0xf << APB2_RESET_TWI_SHIFT) + +/* CCM bits common to all Display Engine (and IEP) clock ctrl regs */ +#define CCM_DE_CTRL_M(n) ((((n) - 1) & 0xf) << 0) +#define CCM_DE_CTRL_PLL_MASK (0xf << 24) +#define CCM_DE_CTRL_PLL3 (0 << 24) +#define CCM_DE_CTRL_PLL7 (1 << 24) +#define CCM_DE_CTRL_PLL6_2X (2 << 24) +#define CCM_DE_CTRL_PLL8 (3 << 24) +#define CCM_DE_CTRL_PLL9 (4 << 24) +#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) +#define CCM_SEC_SWITCH_PLL_NONSEC (1 << 0) + +#if 0 +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_pll_de(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); +unsigned int clock_get_pll6(void); +unsigned int clock_get_mipi_pll(void); +#endif + +#endif /* _SUNXI_CLOCK_SUN6I_H */ diff --git a/arch/arm/mach-sunxi/ddr3_1333.c b/arch/arm/mach-sunxi/ddr3_1333.c new file mode 100644 index 0000000000..2693b263e2 --- /dev/null +++ b/arch/arm/mach-sunxi/ddr3_1333.c @@ -0,0 +1,85 @@ +#include + +static void mctl_set_timing_params(uint16_t socid, struct dram_para *para) +{ + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + u8 tccd = 2; + u8 tfaw = ns_to_t(50); + u8 trrd = max(ns_to_t(10), 4); + u8 trcd = ns_to_t(15); + u8 trc = ns_to_t(53); + u8 txp = max(ns_to_t(8), 3); + u8 twtr = max(ns_to_t(8), 4); + u8 trtp = max(ns_to_t(8), 4); + u8 twr = max(ns_to_t(15), 3); + u8 trp = ns_to_t(15); + u8 tras = ns_to_t(38); + u16 trefi = ns_to_t(7800) / 32; + u16 trfc = ns_to_t(350); + + u8 tmrw = 0; + u8 tmrd = 4; + u8 tmod = 12; + u8 tcke = 3; + u8 tcksrx = 5; + u8 tcksre = 5; + u8 tckesr = 4; + u8 trasmax = 24; + + u8 tcl = 6; /* CL 12 */ + u8 tcwl = 4; /* CWL 8 */ + u8 t_rdata_en = 4; + u8 wr_latency = 2; + + u32 tdinit0 = (500 * CONFIG_DRAM_CLK) + 1; /* 500us */ + u32 tdinit1 = (360 * CONFIG_DRAM_CLK) / 1000 + 1; /* 360ns */ + u32 tdinit2 = (200 * CONFIG_DRAM_CLK) + 1; /* 200us */ + u32 tdinit3 = (1 * CONFIG_DRAM_CLK) + 1; /* 1us */ + + u8 twtp = tcwl + 2 + twr; /* WL + BL / 2 + tWR */ + u8 twr2rd = tcwl + 2 + twtr; /* WL + BL / 2 + tWTR */ + u8 trd2wr = tcl + 2 + 1 - tcwl; /* RL + BL / 2 + 2 - WL */ + + /* set mode register */ + writel(0x1c70, &mctl_ctl->mr[0]); /* CL=11, WR=12 */ + writel(0x40, &mctl_ctl->mr[1]); + writel(0x18, &mctl_ctl->mr[2]); /* CWL=8 */ + writel(0x0, &mctl_ctl->mr[3]); + + if (socid == SOCID_R40) + writel(0x3, &mctl_ctl->lp3mr11); /* odt_en[7:4] */ + + /* set DRAM timing */ + writel(DRAMTMG0_TWTP(twtp) | DRAMTMG0_TFAW(tfaw) | + DRAMTMG0_TRAS_MAX(trasmax) | DRAMTMG0_TRAS(tras), + &mctl_ctl->dramtmg[0]); + writel(DRAMTMG1_TXP(txp) | DRAMTMG1_TRTP(trtp) | DRAMTMG1_TRC(trc), + &mctl_ctl->dramtmg[1]); + writel(DRAMTMG2_TCWL(tcwl) | DRAMTMG2_TCL(tcl) | + DRAMTMG2_TRD2WR(trd2wr) | DRAMTMG2_TWR2RD(twr2rd), + &mctl_ctl->dramtmg[2]); + writel(DRAMTMG3_TMRW(tmrw) | DRAMTMG3_TMRD(tmrd) | DRAMTMG3_TMOD(tmod), + &mctl_ctl->dramtmg[3]); + writel(DRAMTMG4_TRCD(trcd) | DRAMTMG4_TCCD(tccd) | DRAMTMG4_TRRD(trrd) | + DRAMTMG4_TRP(trp), &mctl_ctl->dramtmg[4]); + writel(DRAMTMG5_TCKSRX(tcksrx) | DRAMTMG5_TCKSRE(tcksre) | + DRAMTMG5_TCKESR(tckesr) | DRAMTMG5_TCKE(tcke), + &mctl_ctl->dramtmg[5]); + + /* set two rank timing */ + clrsetbits_le32(&mctl_ctl->dramtmg[8], (0xff << 8) | (0xff << 0), + ((socid == SOCID_H5 ? 0x33 : 0x66) << 8) | (0x10 << 0)); + + /* set PHY interface timing, write latency and read latency configure */ + writel((0x2 << 24) | (t_rdata_en << 16) | (0x1 << 8) | + (wr_latency << 0), &mctl_ctl->pitmg[0]); + + /* set PHY timing, PTR0-2 use default */ + writel(PTR3_TDINIT0(tdinit0) | PTR3_TDINIT1(tdinit1), &mctl_ctl->ptr[3]); + writel(PTR4_TDINIT2(tdinit2) | PTR4_TDINIT3(tdinit3), &mctl_ctl->ptr[4]); + + /* set refresh timing */ + writel(RFSHTMG_TREFI(trefi) | RFSHTMG_TRFC(trfc), &mctl_ctl->rfshtmg); +} diff --git a/arch/arm/mach-sunxi/dram_sunxi_dw.h b/arch/arm/mach-sunxi/dram_sunxi_dw.h new file mode 100644 index 0000000000..146938460e --- /dev/null +++ b/arch/arm/mach-sunxi/dram_sunxi_dw.h @@ -0,0 +1,241 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * sun8i H3 platform dram controller register and constant defines + * + * (C) Copyright 2007-2015 Allwinner Technology Co. + * Jerry Wang + * (C) Copyright 2015 Vishnu Patekar + * (C) Copyright 2014-2015 Hans de Goede + * (C) Copyright 2015 Jens Kuske + */ + +#ifndef _SUNXI_DRAM_SUN8I_H3_H +#define _SUNXI_DRAM_SUN8I_H3_H + +#include + +struct sunxi_mctl_com_reg { + u32 cr; /* 0x00 control register */ + u32 cr_r1; /* 0x04 rank 1 control register (R40 only) */ + u8 res0[0x4]; /* 0x08 */ + u32 tmr; /* 0x0c (unused on H3) */ + u32 mcr[16][2]; /* 0x10 */ + u32 bwcr; /* 0x90 bandwidth control register */ + u32 maer; /* 0x94 master enable register */ + u32 mapr; /* 0x98 master priority register */ + u32 mcgcr; /* 0x9c */ + u32 cpu_bwcr; /* 0xa0 */ + u32 gpu_bwcr; /* 0xa4 */ + u32 ve_bwcr; /* 0xa8 */ + u32 disp_bwcr; /* 0xac */ + u32 other_bwcr; /* 0xb0 */ + u32 total_bwcr; /* 0xb4 */ + u8 res1[0x8]; /* 0xb8 */ + u32 swonr; /* 0xc0 */ + u32 swoffr; /* 0xc4 */ + u8 res2[0x8]; /* 0xc8 */ + u32 cccr; /* 0xd0 */ + u8 res3[0x54]; /* 0xd4 */ + u32 mdfs_bwlr[3]; /* 0x128 (unused on H3) */ + u8 res4[0x6cc]; /* 0x134 */ + u32 protect; /* 0x800 */ +}; + +#define MCTL_CR_BL8 (0x4 << 20) + +#define MCTL_CR_1T (0x1 << 19) +#define MCTL_CR_2T (0x0 << 19) + +#define MCTL_CR_LPDDR3 (0x7 << 16) +#define MCTL_CR_LPDDR2 (0x6 << 16) +#define MCTL_CR_DDR3 (0x3 << 16) +#define MCTL_CR_DDR2 (0x2 << 16) + +#define MCTL_CR_SEQUENTIAL (0x1 << 15) +#define MCTL_CR_INTERLEAVED (0x0 << 15) + +#define MCTL_CR_FULL_WIDTH (0x1 << 12) +#define MCTL_CR_HALF_WIDTH (0x0 << 12) +#define MCTL_CR_BUS_FULL_WIDTH(x) ((x) << 12) + +#define MCTL_CR_PAGE_SIZE(x) ((fls(x) - 4) << 8) +#define MCTL_CR_ROW_BITS(x) (((x) - 1) << 4) +#define MCTL_CR_EIGHT_BANKS (0x1 << 2) +#define MCTL_CR_FOUR_BANKS (0x0 << 2) +#define MCTL_CR_DUAL_RANK (0x1 << 0) +#define MCTL_CR_SINGLE_RANK (0x0 << 0) + +/* + * CR_R1 is a register found in the R40's DRAM controller. It sets various + * parameters for rank 1. Bits [11:0] have the same meaning as the bits in + * MCTL_CR, but they apply to rank 1 only. This implies we can have + * different chips for rank 1 than rank 0. + * + * As address line A15 and CS1 chip select for rank 1 are muxed on the same + * pin, if single rank is used, A15 must be muxed in. + */ +#define MCTL_CR_R1_MUX_A15 (0x1 << 21) + +#define PROTECT_MAGIC (0x94be6fa3) + +struct sunxi_mctl_ctl_reg { + u32 pir; /* 0x00 PHY initialization register */ + u32 pwrctl; /* 0x04 */ + u32 mrctrl; /* 0x08 */ + u32 clken; /* 0x0c */ + u32 pgsr[2]; /* 0x10 PHY general status registers */ + u32 statr; /* 0x18 */ + u8 res1[0x10]; /* 0x1c */ + u32 lp3mr11; /* 0x2c */ + u32 mr[4]; /* 0x30 mode registers */ + u32 pllgcr; /* 0x40 */ + u32 ptr[5]; /* 0x44 PHY timing registers */ + u32 dramtmg[9]; /* 0x58 DRAM timing registers */ + u32 odtcfg; /* 0x7c */ + u32 pitmg[2]; /* 0x80 PHY interface timing registers */ + u8 res2[0x4]; /* 0x88 */ + u32 rfshctl0; /* 0x8c */ + u32 rfshtmg; /* 0x90 refresh timing */ + u32 rfshctl1; /* 0x94 */ + u32 pwrtmg; /* 0x98 */ + u8 res3[0x1c]; /* 0x9c */ + u32 vtfcr; /* 0xb8 (unused on H3) */ + u32 dqsgmr; /* 0xbc */ + u32 dtcr; /* 0xc0 */ + u32 dtar[4]; /* 0xc4 */ + u32 dtdr[2]; /* 0xd4 */ + u32 dtmr[2]; /* 0xdc */ + u32 dtbmr; /* 0xe4 */ + u32 catr[2]; /* 0xe8 */ + u32 dtedr[2]; /* 0xf0 */ + u8 res4[0x8]; /* 0xf8 */ + u32 pgcr[4]; /* 0x100 PHY general configuration registers */ + u32 iovcr[2]; /* 0x110 */ + u32 dqsdr; /* 0x118 */ + u32 dxccr; /* 0x11c */ + u32 odtmap; /* 0x120 */ + u32 zqctl[2]; /* 0x124 */ + u8 res6[0x14]; /* 0x12c */ + u32 zqcr; /* 0x140 ZQ control register */ + u32 zqsr; /* 0x144 ZQ status register */ + u32 zqdr[3]; /* 0x148 ZQ data registers */ + u8 res7[0x6c]; /* 0x154 */ + u32 sched; /* 0x1c0 */ + u32 perfhpr[2]; /* 0x1c4 */ + u32 perflpr[2]; /* 0x1cc */ + u32 perfwr[2]; /* 0x1d4 */ + u8 res8[0x24]; /* 0x1dc */ + u32 acmdlr; /* 0x200 AC master delay line register */ + u32 aclcdlr; /* 0x204 AC local calibrated delay line register */ + u32 aciocr; /* 0x208 AC I/O configuration register */ + u8 res9[0x4]; /* 0x20c */ + u32 acbdlr[31]; /* 0x210 AC bit delay line registers */ + u8 res10[0x74]; /* 0x28c */ + struct { /* 0x300 DATX8 modules*/ + u32 mdlr; /* 0x00 master delay line register */ + u32 lcdlr[3]; /* 0x04 local calibrated delay line registers */ + u32 bdlr[11]; /* 0x10 bit delay line registers */ + u32 sdlr; /* 0x3c output enable bit delay registers */ + u32 gtr; /* 0x40 general timing register */ + u32 gcr; /* 0x44 general configuration register */ + u32 gsr[3]; /* 0x48 general status registers */ + u8 res0[0x2c]; /* 0x54 */ + } dx[4]; + u8 res11[0x388]; /* 0x500 */ + u32 upd2; /* 0x888 */ +}; + +#define PTR3_TDINIT1(x) ((x) << 20) +#define PTR3_TDINIT0(x) ((x) << 0) + +#define PTR4_TDINIT3(x) ((x) << 20) +#define PTR4_TDINIT2(x) ((x) << 0) + +#define DRAMTMG0_TWTP(x) ((x) << 24) +#define DRAMTMG0_TFAW(x) ((x) << 16) +#define DRAMTMG0_TRAS_MAX(x) ((x) << 8) +#define DRAMTMG0_TRAS(x) ((x) << 0) + +#define DRAMTMG1_TXP(x) ((x) << 16) +#define DRAMTMG1_TRTP(x) ((x) << 8) +#define DRAMTMG1_TRC(x) ((x) << 0) + +#define DRAMTMG2_TCWL(x) ((x) << 24) +#define DRAMTMG2_TCL(x) ((x) << 16) +#define DRAMTMG2_TRD2WR(x) ((x) << 8) +#define DRAMTMG2_TWR2RD(x) ((x) << 0) + +#define DRAMTMG3_TMRW(x) ((x) << 16) +#define DRAMTMG3_TMRD(x) ((x) << 12) +#define DRAMTMG3_TMOD(x) ((x) << 0) + +#define DRAMTMG4_TRCD(x) ((x) << 24) +#define DRAMTMG4_TCCD(x) ((x) << 16) +#define DRAMTMG4_TRRD(x) ((x) << 8) +#define DRAMTMG4_TRP(x) ((x) << 0) + +#define DRAMTMG5_TCKSRX(x) ((x) << 24) +#define DRAMTMG5_TCKSRE(x) ((x) << 16) +#define DRAMTMG5_TCKESR(x) ((x) << 8) +#define DRAMTMG5_TCKE(x) ((x) << 0) + +#define RFSHTMG_TREFI(x) ((x) << 16) +#define RFSHTMG_TRFC(x) ((x) << 0) + +#define PIR_CLRSR (0x1 << 27) /* clear status registers */ +#define PIR_QSGATE (0x1 << 10) /* Read DQS gate training */ +#define PIR_DRAMINIT (0x1 << 8) /* DRAM initialization */ +#define PIR_DRAMRST (0x1 << 7) /* DRAM reset */ +#define PIR_PHYRST (0x1 << 6) /* PHY reset */ +#define PIR_DCAL (0x1 << 5) /* DDL calibration */ +#define PIR_PLLINIT (0x1 << 4) /* PLL initialization */ +#define PIR_ZCAL (0x1 << 1) /* ZQ calibration */ +#define PIR_INIT (0x1 << 0) /* PHY initialization trigger */ + +#define PGSR_INIT_DONE (0x1 << 0) /* PHY init done */ + +#define ZQCR_PWRDOWN (1U << 31) /* ZQ power down */ + +#define ACBDLR_WRITE_DELAY(x) ((x) << 8) + +#define DXBDLR_DQ(x) (x) /* DQ0-7 BDLR index */ +#define DXBDLR_DM 8 /* DM BDLR index */ +#define DXBDLR_DQS 9 /* DQS BDLR index */ +#define DXBDLR_DQSN 10 /* DQSN BDLR index */ + +#define DXBDLR_WRITE_DELAY(x) ((x) << 8) +#define DXBDLR_READ_DELAY(x) ((x) << 0) + +/* + * The delay parameters below allow to allegedly specify delay times of some + * unknown unit for each individual bit trace in each of the four data bytes + * the 32-bit wide access consists of. Also three control signals can be + * adjusted individually. + */ +#define NR_OF_BYTE_LANES (32 / BITS_PER_BYTE) +/* The eight data lines (DQn) plus DM, DQS and DQSN */ +#define LINES_PER_BYTE_LANE (BITS_PER_BYTE + 3) + +struct rank_para { + u16 page_size; + u8 row_bits; + u8 bank_bits; +}; + +struct dram_para { + u8 dual_rank; + u8 bus_full_width; + struct rank_para ranks[2]; + const u8 dx_read_delays[NR_OF_BYTE_LANES][LINES_PER_BYTE_LANE]; + const u8 dx_write_delays[NR_OF_BYTE_LANES][LINES_PER_BYTE_LANE]; + const u8 ac_delays[31]; +}; + +static inline int ns_to_t(int nanoseconds) +{ + const unsigned int ctrl_freq = CONFIG_DRAM_CLK / 2; + + return DIV_ROUND_UP(ctrl_freq * nanoseconds, 1000); +} + +#endif /* _SUNXI_DRAM_SUN8I_H3_H */ diff --git a/arch/arm/mach-sunxi/lpddr3_stock.c b/arch/arm/mach-sunxi/lpddr3_stock.c new file mode 100644 index 0000000000..4767eb516d --- /dev/null +++ b/arch/arm/mach-sunxi/lpddr3_stock.c @@ -0,0 +1,81 @@ +#include + +static void mctl_set_timing_params(uint16_t socid, struct dram_para *para) +{ + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + u8 tccd = 2; + u8 tfaw = max(ns_to_t(50), 4); + u8 trrd = max(ns_to_t(10), 2); + u8 trcd = max(ns_to_t(24), 2); + u8 trc = ns_to_t(70); + u8 txp = max(ns_to_t(8), 2); + u8 twtr = max(ns_to_t(8), 2); + u8 trtp = max(ns_to_t(8), 2); + u8 twr = max(ns_to_t(15), 3); + u8 trp = max(ns_to_t(27), 2); + u8 tras = ns_to_t(42); + u16 trefi = ns_to_t(3900) / 32; + u16 trfc = ns_to_t(210); + + u8 tmrw = 5; + u8 tmrd = 5; + u8 tmod = 12; + u8 tcke = 3; + u8 tcksrx = 5; + u8 tcksre = 5; + u8 tckesr = 5; + u8 trasmax = 24; + + u8 tcl = 6; /* CL 12 */ + u8 tcwl = 3; /* CWL 6 */ + u8 t_rdata_en = 5; + u8 wr_latency = 2; + + u32 tdinit0 = (200 * CONFIG_DRAM_CLK) + 1; /* 200us */ + u32 tdinit1 = (100 * CONFIG_DRAM_CLK) / 1000 + 1; /* 100ns */ + u32 tdinit2 = (11 * CONFIG_DRAM_CLK) + 1; /* 11us */ + u32 tdinit3 = (1 * CONFIG_DRAM_CLK) + 1; /* 1us */ + + u8 twtp = tcwl + 4 + twr + 1; + u8 twr2rd = tcwl + 4 + 1 + twtr; + u8 trd2wr = tcl + 4 + 5 - tcwl + 1; + + /* set mode register */ + writel(0xc3, &mctl_ctl->mr[1]); /* nWR=8, BL8 */ + writel(0xa, &mctl_ctl->mr[2]); /* RL=12, WL=6 */ + writel(0x2, &mctl_ctl->mr[3]); /* 40 0hms PD/PU */ + + /* set DRAM timing */ + writel(DRAMTMG0_TWTP(twtp) | DRAMTMG0_TFAW(tfaw) | + DRAMTMG0_TRAS_MAX(trasmax) | DRAMTMG0_TRAS(tras), + &mctl_ctl->dramtmg[0]); + writel(DRAMTMG1_TXP(txp) | DRAMTMG1_TRTP(trtp) | DRAMTMG1_TRC(trc), + &mctl_ctl->dramtmg[1]); + writel(DRAMTMG2_TCWL(tcwl) | DRAMTMG2_TCL(tcl) | + DRAMTMG2_TRD2WR(trd2wr) | DRAMTMG2_TWR2RD(twr2rd), + &mctl_ctl->dramtmg[2]); + writel(DRAMTMG3_TMRW(tmrw) | DRAMTMG3_TMRD(tmrd) | DRAMTMG3_TMOD(tmod), + &mctl_ctl->dramtmg[3]); + writel(DRAMTMG4_TRCD(trcd) | DRAMTMG4_TCCD(tccd) | DRAMTMG4_TRRD(trrd) | + DRAMTMG4_TRP(trp), &mctl_ctl->dramtmg[4]); + writel(DRAMTMG5_TCKSRX(tcksrx) | DRAMTMG5_TCKSRE(tcksre) | + DRAMTMG5_TCKESR(tckesr) | DRAMTMG5_TCKE(tcke), + &mctl_ctl->dramtmg[5]); + + /* set two rank timing */ + clrsetbits_le32(&mctl_ctl->dramtmg[8], (0xff << 8) | (0xff << 0), + (0x66 << 8) | (0x10 << 0)); + + /* set PHY interface timing, write latency and read latency configure */ + writel((0x2 << 24) | (t_rdata_en << 16) | (0x1 << 8) | + (wr_latency << 0), &mctl_ctl->pitmg[0]); + + /* set PHY timing, PTR0-2 use default */ + writel(PTR3_TDINIT0(tdinit0) | PTR3_TDINIT1(tdinit1), &mctl_ctl->ptr[3]); + writel(PTR4_TDINIT2(tdinit2) | PTR4_TDINIT3(tdinit3), &mctl_ctl->ptr[4]); + + /* set refresh timing */ + writel(RFSHTMG_TREFI(trefi) | RFSHTMG_TRFC(trfc), &mctl_ctl->rfshtmg); +} diff --git a/arch/arm/mach-sunxi/sun50i-a64-ddr3-init.c b/arch/arm/mach-sunxi/sun50i-a64-ddr3-init.c new file mode 100644 index 0000000000..4c54588556 --- /dev/null +++ b/arch/arm/mach-sunxi/sun50i-a64-ddr3-init.c @@ -0,0 +1,9 @@ +#define CONFIG_MACH_SUN50I y +#define CONFIG_SUNXI_DRAM_DW y +#define CONFIG_SUNXI_DRAM_DW_32BIT y +#define CONFIG_SUNXI_DRAM_DDR3 y +#define CONFIG_SYS_SDRAM_BASE 0x40000000 + +#define sunxi_dram_init sun50i_a64_ddr3_dram_init + +#include "sun50i-sdram.c" diff --git a/arch/arm/mach-sunxi/sun50i-a64-lpddr3-init.c b/arch/arm/mach-sunxi/sun50i-a64-lpddr3-init.c new file mode 100644 index 0000000000..e5ba206661 --- /dev/null +++ b/arch/arm/mach-sunxi/sun50i-a64-lpddr3-init.c @@ -0,0 +1,9 @@ +#define CONFIG_MACH_SUN50I y +#define CONFIG_SUNXI_DRAM_DW y +#define CONFIG_SUNXI_DRAM_DW_32BIT y +#define CONFIG_SUNXI_DRAM_LPDDR3 y +#define CONFIG_SYS_SDRAM_BASE 0x40000000 + +#define sunxi_dram_init sun50i_a64_lpddr3_dram_init + +#include "sun50i-sdram.c" diff --git a/arch/arm/mach-sunxi/sun50i-sdram.c b/arch/arm/mach-sunxi/sun50i-sdram.c new file mode 100644 index 0000000000..d9dc1cf5fd --- /dev/null +++ b/arch/arm/mach-sunxi/sun50i-sdram.c @@ -0,0 +1,903 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * sun8i H3 platform dram controller init + * + * (C) Copyright 2007-2015 Allwinner Technology Co. + * Jerry Wang + * (C) Copyright 2015 Vishnu Patekar + * (C) Copyright 2015 Hans de Goede + * (C) Copyright 2015 Jens Kuske + */ +#include +#include +#include /* dsb */ +#include + +#include + +#define REPEAT_BYTE(x)((~0ul / 0xff) * (x)) + +#define CONFIG_DRAM_CLK 552 +#define CONFIG_DRAM_ZQ 3881949 + +#define SUNXI_CCM_BASE 0x01c20000 +#define SUNXI_DRAM_COM_BASE 0x01c62000 +#define SUNXI_DRAM_CTL0_BASE 0x01c63000 +#define SUNXI_DRAM_CTL1_BASE 0x01c64000 +#define SUNXI_DRAM_PHY0_BASE 0x01c65000 +#define SUNXI_DRAM_PHY1_BASE 0x01c66000 +#define SUNXI_SRAMC_BASE 0x01c00000 + +#define SOCID_A64 0x1689 +#define SOCID_H3 0x1680 +#define SOCID_H5 0x1718 +#define SOCID_R40 0x1701 + +/* dram regs definition */ +#include "dram_sunxi_dw.h" + +/* clock regs definition */ +#include "clock_sun6i.h" + +#if defined CONFIG_SUNXI_DRAM_DDR3 +#include "ddr3_1333.c" +#elif defined CONFIG_SUNXI_DRAM_LPDDR3 +#include "lpddr3_stock.c" +#else +#error Unsupported DRAM type! +#endif + +static void clock_set_pll11(unsigned int clk, bool sigma_delta_enable) +{ + struct sunxi_ccm_reg * const ccm = (void *)SUNXI_CCM_BASE; + + if (sigma_delta_enable) + writel(CCM_PLL11_PATTERN, &ccm->pll11_pattern_cfg0); + + writel(CCM_PLL11_CTRL_EN | CCM_PLL11_CTRL_UPD | + (sigma_delta_enable ? CCM_PLL11_CTRL_SIGMA_DELTA_EN : 0) | + CCM_PLL11_CTRL_N(clk / 24000000), &ccm->pll11_cfg); + + while (readl(&ccm->pll11_cfg) & CCM_PLL11_CTRL_UPD) + ; +} + +static void clock_set_pll5(unsigned int clk, bool sigma_delta_enable) +{ + struct sunxi_ccm_reg * const ccm = (void *)SUNXI_CCM_BASE; + + if (sigma_delta_enable) + writel(CCM_PLL5_PATTERN, &ccm->pll5_pattern_cfg); + + writel(CCM_PLL5_CTRL_EN | CCM_PLL5_CTRL_UPD | + (sigma_delta_enable ? CCM_PLL5_CTRL_SIGMA_DELTA_EN : 0) | + CCM_PLL5_CTRL_N(clk / 24000000), &ccm->pll5_cfg); + + while (readl(&ccm->pll5_cfg) & CCM_PLL5_CTRL_UPD) + ; +} + +/* + * Wait up to 1s for value to be set in given part of reg. + */ +static void mctl_await_completion(u32 *reg, u32 mask, u32 val) +{ + int ms = 1000; + + while ((readl(reg) & mask) != val) { + mdelay(1); + if (ms-- <= 0) { + putc_ll('!'); + panic("Timeout initialising DRAM\n"); + } + } +} + +static void mctl_phy_init(u32 val) +{ + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + writel(val | PIR_INIT, &mctl_ctl->pir); + mctl_await_completion(&mctl_ctl->pgsr[0], PGSR_INIT_DONE, 0x1); +} + +static void mctl_set_bit_delays(struct dram_para *para) +{ + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + int i, j; + + clrbits_le32(&mctl_ctl->pgcr[0], 1 << 26); + + for (i = 0; i < NR_OF_BYTE_LANES; i++) + for (j = 0; j < LINES_PER_BYTE_LANE; j++) + writel(DXBDLR_WRITE_DELAY(para->dx_write_delays[i][j]) | + DXBDLR_READ_DELAY(para->dx_read_delays[i][j]), + &mctl_ctl->dx[i].bdlr[j]); + + for (i = 0; i < 31; i++) + writel(ACBDLR_WRITE_DELAY(para->ac_delays[i]), + &mctl_ctl->acbdlr[i]); + +#ifdef CONFIG_MACH_SUN8I_R40 + /* DQSn, DMn, DQn output enable bit delay */ + for (i = 0; i < 4; i++) + writel(0x6 << 24, &mctl_ctl->dx[i].sdlr); +#endif + + setbits_le32(&mctl_ctl->pgcr[0], 1 << 26); +} + +enum { + MBUS_PORT_CPU = 0, + MBUS_PORT_GPU = 1, + MBUS_PORT_UNUSED = 2, + MBUS_PORT_DMA = 3, + MBUS_PORT_VE = 4, + MBUS_PORT_CSI = 5, + MBUS_PORT_NAND = 6, + MBUS_PORT_SS = 7, + MBUS_PORT_TS = 8, + MBUS_PORT_DI = 9, + MBUS_PORT_DE = 10, + MBUS_PORT_DE_CFD = 11, + MBUS_PORT_UNKNOWN1 = 12, + MBUS_PORT_UNKNOWN2 = 13, + MBUS_PORT_UNKNOWN3 = 14, +}; + +enum { + MBUS_QOS_LOWEST = 0, + MBUS_QOS_LOW, + MBUS_QOS_HIGH, + MBUS_QOS_HIGHEST +}; + +static inline void mbus_configure_port(u8 port, + bool bwlimit, + bool priority, + u8 qos, /* MBUS_QOS_LOWEST .. MBUS_QOS_HIGEST */ + u8 waittime, /* 0 .. 0xf */ + u8 acs, /* 0 .. 0xff */ + u16 bwl0, /* 0 .. 0xffff, bandwidth limit in MB/s */ + u16 bwl1, + u16 bwl2) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + const u32 cfg0 = ( (bwlimit ? (1 << 0) : 0) + | (priority ? (1 << 1) : 0) + | ((qos & 0x3) << 2) + | ((waittime & 0xf) << 4) + | ((acs & 0xff) << 8) + | (bwl0 << 16) ); + const u32 cfg1 = ((u32)bwl2 << 16) | (bwl1 & 0xffff); + + //debug("MBUS port %d cfg0 %08x cfg1 %08x\n", port, cfg0, cfg1); + writel(cfg0, &mctl_com->mcr[port][0]); + writel(cfg1, &mctl_com->mcr[port][1]); +} + +#define MBUS_CONF(port, bwlimit, qos, acs, bwl0, bwl1, bwl2) \ + mbus_configure_port(MBUS_PORT_ ## port, bwlimit, false, \ + MBUS_QOS_ ## qos, 0, acs, bwl0, bwl1, bwl2) + +static void mctl_set_master_priority_h3(void) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + /* enable bandwidth limit windows and set windows size 1us */ + writel((1 << 16) | (400 << 0), &mctl_com->bwcr); + + /* set cpu high priority */ + writel(0x00000001, &mctl_com->mapr); + + MBUS_CONF( CPU, true, HIGHEST, 0, 512, 256, 128); + MBUS_CONF( GPU, true, HIGH, 0, 1536, 1024, 256); + MBUS_CONF(UNUSED, true, HIGHEST, 0, 512, 256, 96); + MBUS_CONF( DMA, true, HIGHEST, 0, 256, 128, 32); + MBUS_CONF( VE, true, HIGH, 0, 1792, 1600, 256); + MBUS_CONF( CSI, true, HIGHEST, 0, 256, 128, 32); + MBUS_CONF( NAND, true, HIGH, 0, 256, 128, 64); + MBUS_CONF( SS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( TS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( DI, true, HIGH, 0, 1024, 256, 64); + MBUS_CONF( DE, true, HIGHEST, 3, 8192, 6120, 1024); + MBUS_CONF(DE_CFD, true, HIGH, 0, 1024, 288, 64); +} + +static void mctl_set_master_priority_a64(void) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + /* enable bandwidth limit windows and set windows size 1us */ + writel(399, &mctl_com->tmr); + writel((1 << 16), &mctl_com->bwcr); + + /* Port 2 is reserved per Allwinner's linux-3.10 source, yet they + * initialise it */ + MBUS_CONF( CPU, true, HIGHEST, 0, 160, 100, 80); + MBUS_CONF( GPU, false, HIGH, 0, 1536, 1400, 256); + MBUS_CONF(UNUSED, true, HIGHEST, 0, 512, 256, 96); + MBUS_CONF( DMA, true, HIGH, 0, 256, 80, 100); + MBUS_CONF( VE, true, HIGH, 0, 1792, 1600, 256); + MBUS_CONF( CSI, true, HIGH, 0, 256, 128, 0); + MBUS_CONF( NAND, true, HIGH, 0, 256, 128, 64); + MBUS_CONF( SS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( TS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( DI, true, HIGH, 0, 1024, 256, 64); + MBUS_CONF( DE, true, HIGH, 2, 8192, 6144, 2048); + MBUS_CONF(DE_CFD, true, HIGH, 0, 1280, 144, 64); + + writel(0x81000004, &mctl_com->mdfs_bwlr[2]); +} + +static void mctl_set_master_priority_h5(void) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + /* enable bandwidth limit windows and set windows size 1us */ + writel(399, &mctl_com->tmr); + writel((1 << 16), &mctl_com->bwcr); + + /* set cpu high priority */ + writel(0x00000001, &mctl_com->mapr); + + /* Port 2 is reserved per Allwinner's linux-3.10 source, yet + * they initialise it */ + MBUS_CONF( CPU, true, HIGHEST, 0, 300, 260, 150); + MBUS_CONF( GPU, true, HIGHEST, 0, 600, 400, 200); + MBUS_CONF(UNUSED, true, HIGHEST, 0, 512, 256, 96); + MBUS_CONF( DMA, true, HIGHEST, 0, 256, 128, 32); + MBUS_CONF( VE, true, HIGHEST, 0, 1900, 1500, 1000); + MBUS_CONF( CSI, true, HIGHEST, 0, 150, 120, 100); + MBUS_CONF( NAND, true, HIGH, 0, 256, 128, 64); + MBUS_CONF( SS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( TS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( DI, true, HIGH, 0, 1024, 256, 64); + MBUS_CONF( DE, true, HIGHEST, 3, 3400, 2400, 1024); + MBUS_CONF(DE_CFD, true, HIGHEST, 0, 600, 400, 200); +} + +static void mctl_set_master_priority_r40(void) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + /* enable bandwidth limit windows and set windows size 1us */ + writel(399, &mctl_com->tmr); + writel((1 << 16), &mctl_com->bwcr); + + /* set cpu high priority */ + writel(0x00000001, &mctl_com->mapr); + + /* Port 2 is reserved per Allwinner's linux-3.10 source, yet + * they initialise it */ + MBUS_CONF( CPU, true, HIGHEST, 0, 300, 260, 150); + MBUS_CONF( GPU, true, HIGHEST, 0, 600, 400, 200); + MBUS_CONF( UNUSED, true, HIGHEST, 0, 512, 256, 96); + MBUS_CONF( DMA, true, HIGHEST, 0, 256, 128, 32); + MBUS_CONF( VE, true, HIGHEST, 0, 1900, 1500, 1000); + MBUS_CONF( CSI, true, HIGHEST, 0, 150, 120, 100); + MBUS_CONF( NAND, true, HIGH, 0, 256, 128, 64); + MBUS_CONF( SS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( TS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( DI, true, HIGH, 0, 1024, 256, 64); + + /* + * The port names are probably wrong, but no correct sources + * are available. + */ + MBUS_CONF( DE, true, HIGH, 0, 128, 48, 0); + MBUS_CONF( DE_CFD, true, HIGH, 0, 384, 256, 0); + MBUS_CONF(UNKNOWN1, true, HIGHEST, 0, 512, 384, 256); + MBUS_CONF(UNKNOWN2, true, HIGHEST, 2, 8192, 6144, 1024); + MBUS_CONF(UNKNOWN3, true, HIGH, 0, 1280, 144, 64); +} + +static void mctl_set_master_priority(uint16_t socid) +{ + switch (socid) { + case SOCID_H3: + mctl_set_master_priority_h3(); + return; + case SOCID_A64: + mctl_set_master_priority_a64(); + return; + case SOCID_H5: + mctl_set_master_priority_h5(); + return; + case SOCID_R40: + mctl_set_master_priority_r40(); + return; + } +} + +static u32 bin_to_mgray(int val) +{ + static const u8 lookup_table[32] = { + 0x00, 0x01, 0x02, 0x03, 0x06, 0x07, 0x04, 0x05, + 0x0c, 0x0d, 0x0e, 0x0f, 0x0a, 0x0b, 0x08, 0x09, + 0x18, 0x19, 0x1a, 0x1b, 0x1e, 0x1f, 0x1c, 0x1d, + 0x14, 0x15, 0x16, 0x17, 0x12, 0x13, 0x10, 0x11, + }; + + return lookup_table[clamp(val, 0, 31)]; +} + +static int mgray_to_bin(u32 val) +{ + static const u8 lookup_table[32] = { + 0x00, 0x01, 0x02, 0x03, 0x06, 0x07, 0x04, 0x05, + 0x0e, 0x0f, 0x0c, 0x0d, 0x08, 0x09, 0x0a, 0x0b, + 0x1e, 0x1f, 0x1c, 0x1d, 0x18, 0x19, 0x1a, 0x1b, + 0x10, 0x11, 0x12, 0x13, 0x16, 0x17, 0x14, 0x15, + }; + + return lookup_table[val & 0x1f]; +} + +static void mctl_h3_zq_calibration_quirk(struct dram_para *para) +{ + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + int zq_count; + +#if defined CONFIG_SUNXI_DRAM_DW_16BIT + zq_count = 4; +#else + zq_count = 6; +#endif + + if ((readl(SUNXI_SRAMC_BASE + 0x24) & 0xff) == 0 && + (readl(SUNXI_SRAMC_BASE + 0xf0) & 0x1) == 0) { + u32 reg_val; + + clrsetbits_le32(&mctl_ctl->zqcr, 0xffff, + CONFIG_DRAM_ZQ & 0xffff); + + writel(PIR_CLRSR, &mctl_ctl->pir); + mctl_phy_init(PIR_ZCAL); + + reg_val = readl(&mctl_ctl->zqdr[0]); + reg_val &= (0x1f << 16) | (0x1f << 0); + reg_val |= reg_val << 8; + writel(reg_val, &mctl_ctl->zqdr[0]); + + reg_val = readl(&mctl_ctl->zqdr[1]); + reg_val &= (0x1f << 16) | (0x1f << 0); + reg_val |= reg_val << 8; + writel(reg_val, &mctl_ctl->zqdr[1]); + writel(reg_val, &mctl_ctl->zqdr[2]); + } else { + int i; + u16 zq_val[6]; + u8 val; + + writel(0x0a0a0a0a, &mctl_ctl->zqdr[2]); + + for (i = 0; i < zq_count; i++) { + u8 zq = (CONFIG_DRAM_ZQ >> (i * 4)) & 0xf; + + writel((zq << 20) | (zq << 16) | (zq << 12) | + (zq << 8) | (zq << 4) | (zq << 0), + &mctl_ctl->zqcr); + + writel(PIR_CLRSR, &mctl_ctl->pir); + mctl_phy_init(PIR_ZCAL); + + zq_val[i] = readl(&mctl_ctl->zqdr[0]) & 0xff; + writel(REPEAT_BYTE(zq_val[i]), &mctl_ctl->zqdr[2]); + + writel(PIR_CLRSR, &mctl_ctl->pir); + mctl_phy_init(PIR_ZCAL); + + val = readl(&mctl_ctl->zqdr[0]) >> 24; + zq_val[i] |= bin_to_mgray(mgray_to_bin(val) - 1) << 8; + } + + writel((zq_val[1] << 16) | zq_val[0], &mctl_ctl->zqdr[0]); + writel((zq_val[3] << 16) | zq_val[2], &mctl_ctl->zqdr[1]); + if (zq_count > 4) + writel((zq_val[5] << 16) | zq_val[4], + &mctl_ctl->zqdr[2]); + } +} + +static void mctl_set_cr(uint16_t socid, struct dram_para *para) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + writel(MCTL_CR_BL8 | MCTL_CR_INTERLEAVED | +#if defined CONFIG_SUNXI_DRAM_DDR3 + MCTL_CR_DDR3 | MCTL_CR_2T | +#elif defined CONFIG_SUNXI_DRAM_DDR2 + MCTL_CR_DDR2 | MCTL_CR_2T | +#elif defined CONFIG_SUNXI_DRAM_LPDDR3 + MCTL_CR_LPDDR3 | MCTL_CR_1T | +#else +#error Unsupported DRAM type! +#endif + (para->ranks[0].bank_bits == 3 ? MCTL_CR_EIGHT_BANKS : MCTL_CR_FOUR_BANKS) | + MCTL_CR_BUS_FULL_WIDTH(para->bus_full_width) | + (para->dual_rank ? MCTL_CR_DUAL_RANK : MCTL_CR_SINGLE_RANK) | + MCTL_CR_PAGE_SIZE(para->ranks[0].page_size) | + MCTL_CR_ROW_BITS(para->ranks[0].row_bits), &mctl_com->cr); + + if (socid == SOCID_A64 || socid == SOCID_R40) { + writel((para->ranks[1].bank_bits == 3 ? MCTL_CR_EIGHT_BANKS : MCTL_CR_FOUR_BANKS) | + MCTL_CR_BUS_FULL_WIDTH(para->bus_full_width) | + (para->dual_rank ? MCTL_CR_DUAL_RANK : MCTL_CR_SINGLE_RANK) | + MCTL_CR_PAGE_SIZE(para->ranks[1].page_size) | + MCTL_CR_ROW_BITS(para->ranks[1].row_bits), &mctl_com->cr_r1); + } + + if (socid == SOCID_R40) { + /* Mux pin to A15 address line for single rank memory. */ + if (!para->dual_rank) + setbits_le32(&mctl_com->cr_r1, MCTL_CR_R1_MUX_A15); + } +} + +static void mctl_sys_init(uint16_t socid, struct dram_para *para) +{ + struct sunxi_ccm_reg * const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + clrbits_le32(&ccm->mbus0_clk_cfg, MBUS_CLK_GATE); + clrbits_le32(&ccm->mbus_reset, CCM_MBUS_RESET_RESET); + clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL); + clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL); + clrbits_le32(&ccm->pll5_cfg, CCM_PLL5_CTRL_EN); + + if (socid == SOCID_A64 || socid == SOCID_R40) + clrbits_le32(&ccm->pll11_cfg, CCM_PLL11_CTRL_EN); + udelay(10); + + clrbits_le32(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_RST); + udelay(1000); + + if (socid == SOCID_A64 || socid == SOCID_R40) { + clock_set_pll11(CONFIG_DRAM_CLK * 2 * 1000000, false); + clrsetbits_le32(&ccm->dram_clk_cfg, + CCM_DRAMCLK_CFG_DIV_MASK | + CCM_DRAMCLK_CFG_SRC_MASK, + CCM_DRAMCLK_CFG_DIV(1) | + CCM_DRAMCLK_CFG_SRC_PLL11 | + CCM_DRAMCLK_CFG_UPD); + } else if (socid == SOCID_H3 || socid == SOCID_H5) { + clock_set_pll5(CONFIG_DRAM_CLK * 2 * 1000000, false); + clrsetbits_le32(&ccm->dram_clk_cfg, + CCM_DRAMCLK_CFG_DIV_MASK | + CCM_DRAMCLK_CFG_SRC_MASK, + CCM_DRAMCLK_CFG_DIV(1) | + CCM_DRAMCLK_CFG_SRC_PLL5 | + CCM_DRAMCLK_CFG_UPD); + } + + /* SDRCLK Configuration Update. + * Note: Set this bit will validate Configuration. + * It will be auto cleared after the Configuration is valid. + */ + mctl_await_completion(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_UPD, 0); + + setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL); + setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL); + setbits_le32(&ccm->mbus_reset, CCM_MBUS_RESET_RESET); + setbits_le32(&ccm->mbus0_clk_cfg, MBUS_CLK_GATE); + + setbits_le32(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_RST); + udelay(10); + + writel(socid == SOCID_H5 ? 0x8000 : 0xc00e, &mctl_ctl->clken); + udelay(500); +} + +/* These are more guessed based on some Allwinner code. */ +#define DX_GCR_ODT_DYNAMIC (0x0 << 4) +#define DX_GCR_ODT_ALWAYS_ON (0x1 << 4) +#define DX_GCR_ODT_OFF (0x2 << 4) + +static int mctl_channel_init(uint16_t socid, struct dram_para *para) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + unsigned int i; + + mctl_set_cr(socid, para); + mctl_set_timing_params(socid, para); + mctl_set_master_priority(socid); + + /* setting VTC, default disable all VT */ + clrbits_le32(&mctl_ctl->pgcr[0], (1 << 30) | 0x3f); + if (socid == SOCID_H5) + setbits_le32(&mctl_ctl->pgcr[1], (1 << 24) | (1 << 26)); + else + clrsetbits_le32(&mctl_ctl->pgcr[1], 1 << 24, 1 << 26); + + /* increase DFI_PHY_UPD clock */ + writel(PROTECT_MAGIC, &mctl_com->protect); + udelay(100); + clrsetbits_le32(&mctl_ctl->upd2, 0xfff << 16, 0x50 << 16); + writel(0x0, &mctl_com->protect); + udelay(100); + + /* set dramc odt */ + for (i = 0; i < 4; i++) { + u32 clearmask = (0x3 << 4) | (0x1 << 1) | (0x3 << 2) | + (0x3 << 12) | (0x3 << 14); + u32 setmask = IS_ENABLED(CONFIG_DRAM_ODT_EN) ? + DX_GCR_ODT_DYNAMIC : DX_GCR_ODT_OFF; + + if (socid == SOCID_H5) { + clearmask |= 0x2 << 8; + setmask |= 0x4 << 8; + } + clrsetbits_le32(&mctl_ctl->dx[i].gcr, clearmask, setmask); + } + + /* AC PDR should always ON */ + clrsetbits_le32(&mctl_ctl->aciocr, socid == SOCID_H5 ? (0x1 << 11) : 0, + 0x1 << 1); + + /* set DQS auto gating PD mode */ + setbits_le32(&mctl_ctl->pgcr[2], 0x3 << 6); + + if (socid == SOCID_H3) { + /* dx ddr_clk & hdr_clk dynamic mode */ + clrbits_le32(&mctl_ctl->pgcr[0], (0x3 << 14) | (0x3 << 12)); + + /* dphy & aphy phase select 270 degree */ + clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8), + (0x1 << 10) | (0x2 << 8)); + } else if (socid == SOCID_A64 || socid == SOCID_H5) { + /* dphy & aphy phase select ? */ + clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8), + (0x0 << 10) | (0x3 << 8)); + } else if (socid == SOCID_R40) { + /* dx ddr_clk & hdr_clk dynamic mode (tpr13[9] == 0) */ + clrbits_le32(&mctl_ctl->pgcr[0], (0x3 << 14) | (0x3 << 12)); + + /* dphy & aphy phase select ? */ + clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8), + (0x0 << 10) | (0x3 << 8)); + } + + /* set half DQ */ + if (!para->bus_full_width) { +#if defined CONFIG_SUNXI_DRAM_DW_32BIT + writel(0x0, &mctl_ctl->dx[2].gcr); + writel(0x0, &mctl_ctl->dx[3].gcr); +#elif defined CONFIG_SUNXI_DRAM_DW_16BIT + writel(0x0, &mctl_ctl->dx[1].gcr); +#else +#error Unsupported DRAM bus width! +#endif + } + + /* data training configuration */ + clrsetbits_le32(&mctl_ctl->dtcr, 0xf << 24, + (para->dual_rank ? 0x3 : 0x1) << 24); + + mctl_set_bit_delays(para); + udelay(50); + + if (socid == SOCID_H3) { + mctl_h3_zq_calibration_quirk(para); + + mctl_phy_init(PIR_PLLINIT | PIR_DCAL | PIR_PHYRST | + PIR_DRAMRST | PIR_DRAMINIT | PIR_QSGATE); + } else if (socid == SOCID_A64 || socid == SOCID_H5) { + clrsetbits_le32(&mctl_ctl->zqcr, 0xffffff, CONFIG_DRAM_ZQ); + + mctl_phy_init(PIR_ZCAL | PIR_PLLINIT | PIR_DCAL | PIR_PHYRST | + PIR_DRAMRST | PIR_DRAMINIT | PIR_QSGATE); + /* no PIR_QSGATE for H5 ???? */ + } else if (socid == SOCID_R40) { + clrsetbits_le32(&mctl_ctl->zqcr, 0xffffff, CONFIG_DRAM_ZQ); + + mctl_phy_init(PIR_ZCAL | PIR_PLLINIT | PIR_DCAL | PIR_PHYRST | + PIR_DRAMRST | PIR_DRAMINIT); + } + + /* detect ranks and bus width */ + if (readl(&mctl_ctl->pgsr[0]) & (0xfe << 20)) { + /* only one rank */ + if (((readl(&mctl_ctl->dx[0].gsr[0]) >> 24) & 0x2) +#if defined CONFIG_SUNXI_DRAM_DW_32BIT + || ((readl(&mctl_ctl->dx[1].gsr[0]) >> 24) & 0x2) +#endif + ) { + clrsetbits_le32(&mctl_ctl->dtcr, 0xf << 24, 0x1 << 24); + para->dual_rank = 0; + } + + /* only half DQ width */ +#if defined CONFIG_SUNXI_DRAM_DW_32BIT + if (((readl(&mctl_ctl->dx[2].gsr[0]) >> 24) & 0x1) || + ((readl(&mctl_ctl->dx[3].gsr[0]) >> 24) & 0x1)) { + writel(0x0, &mctl_ctl->dx[2].gcr); + writel(0x0, &mctl_ctl->dx[3].gcr); + para->bus_full_width = 0; + } +#elif defined CONFIG_SUNXI_DRAM_DW_16BIT + if ((readl(&mctl_ctl->dx[1].gsr[0]) >> 24) & 0x1) { + writel(0x0, &mctl_ctl->dx[1].gcr); + para->bus_full_width = 0; + } +#endif + + mctl_set_cr(socid, para); + udelay(20); + + /* re-train */ + mctl_phy_init(PIR_QSGATE); + if (readl(&mctl_ctl->pgsr[0]) & (0xfe << 20)) + return 1; + } + + /* check the dramc status */ + mctl_await_completion(&mctl_ctl->statr, 0x1, 0x1); + + /* liuke added for refresh debug */ + setbits_le32(&mctl_ctl->rfshctl0, 0x1 << 31); + udelay(10); + clrbits_le32(&mctl_ctl->rfshctl0, 0x1 << 31); + udelay(10); + + /* set PGCR3, CKE polarity */ + if (socid == SOCID_H3) + writel(0x00aa0060, &mctl_ctl->pgcr[3]); + else if (socid == SOCID_A64 || socid == SOCID_H5 || socid == SOCID_R40) + writel(0xc0aa0060, &mctl_ctl->pgcr[3]); + + /* power down zq calibration module for power save */ + setbits_le32(&mctl_ctl->zqcr, ZQCR_PWRDOWN); + + /* enable master access */ + writel(0xffffffff, &mctl_com->maer); + + return 0; +} + +/* + * Test if memory at offset offset matches memory at a certain base + */ +static bool mctl_mem_matches_base(u32 offset, ulong base) +{ + /* Try to write different values to RAM at two addresses */ + writel(0, base); + writel(0xaa55aa55, base + offset); + dsb(); + /* Check if the same value is actually observed when reading back */ + return readl(base) == + readl(base + offset); +} + +static void mctl_auto_detect_dram_size_rank(uint16_t socid, struct dram_para *para, ulong base, struct rank_para *rank) +{ + /* detect row address bits */ + rank->page_size = 512; + rank->row_bits = 16; + rank->bank_bits = 2; + mctl_set_cr(socid, para); + + for (rank->row_bits = 11; rank->row_bits < 16; rank->row_bits++) + if (mctl_mem_matches_base((1 << (rank->row_bits + rank->bank_bits)) * rank->page_size, base)) + break; + + /* detect bank address bits */ + rank->bank_bits = 3; + mctl_set_cr(socid, para); + + for (rank->bank_bits = 2; rank->bank_bits < 3; rank->bank_bits++) + if (mctl_mem_matches_base((1 << rank->bank_bits) * rank->page_size, base)) + break; + + /* detect page size */ + rank->page_size = 8192; + mctl_set_cr(socid, para); + + for (rank->page_size = 512; rank->page_size < 8192; rank->page_size *= 2) + if (mctl_mem_matches_base(rank->page_size, base)) + break; +} + +static unsigned long mctl_calc_rank_size(struct rank_para *rank) +{ + return (1UL << (rank->row_bits + rank->bank_bits)) * rank->page_size; +} + +static void mctl_auto_detect_dram_size(uint16_t socid, struct dram_para *para) +{ + mctl_auto_detect_dram_size_rank(socid, para, (ulong)CONFIG_SYS_SDRAM_BASE, ¶->ranks[0]); + + if ((socid == SOCID_A64 || socid == SOCID_R40) && para->dual_rank) { + mctl_auto_detect_dram_size_rank(socid, para, (ulong)CONFIG_SYS_SDRAM_BASE + mctl_calc_rank_size(¶->ranks[0]), ¶->ranks[1]); + } +} + +/* + * The actual values used here are taken from Allwinner provided boot0 + * binaries, though they are probably board specific, so would likely benefit + * from invidual tuning for each board. Apparently a lot of boards copy from + * some Allwinner reference design, so we go with those generic values for now + * in the hope that they are reasonable for most (all?) boards. + */ +#define SUN8I_H3_DX_READ_DELAYS \ + {{ 18, 18, 18, 18, 18, 18, 18, 18, 18, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 18, 18, 18, 18, 18, 18, 18, 18, 18, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }} +#define SUN8I_H3_DX_WRITE_DELAYS \ + {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 6 }} +#define SUN8I_H3_AC_DELAYS \ + { 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0 } + +#define SUN8I_R40_DX_READ_DELAYS \ + {{ 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 } } +#define SUN8I_R40_DX_WRITE_DELAYS \ + {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 } } +#define SUN8I_R40_AC_DELAYS \ + { 0, 0, 3, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0 } + +#define SUN50I_A64_DX_READ_DELAYS \ + {{ 16, 16, 16, 16, 17, 16, 16, 17, 16, 1, 0 }, \ + { 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 0 }, \ + { 16, 17, 17, 16, 16, 16, 16, 16, 16, 0, 0 }, \ + { 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 0 }} +#define SUN50I_A64_DX_WRITE_DELAYS \ + {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 15 }, \ + { 0, 0, 0, 0, 1, 1, 1, 1, 0, 10, 10 }, \ + { 1, 0, 1, 1, 1, 1, 1, 1, 0, 11, 11 }, \ + { 1, 0, 0, 1, 1, 1, 1, 1, 0, 12, 12 }} +#define SUN50I_A64_AC_DELAYS \ + { 5, 5, 13, 10, 2, 5, 3, 3, \ + 0, 3, 3, 3, 1, 0, 0, 0, \ + 3, 4, 0, 3, 4, 1, 4, 0, \ + 1, 1, 0, 1, 13, 5, 4 } + +#define SUN8I_H5_DX_READ_DELAYS \ + {{ 14, 15, 17, 17, 17, 17, 17, 18, 17, 3, 3 }, \ + { 21, 21, 12, 22, 21, 21, 21, 21, 21, 3, 3 }, \ + { 16, 19, 19, 17, 22, 22, 21, 22, 19, 3, 3 }, \ + { 21, 21, 22, 22, 20, 21, 19, 19, 19, 3, 3 } } +#define SUN8I_H5_DX_WRITE_DELAYS \ + {{ 1, 2, 3, 4, 3, 4, 4, 4, 6, 6, 6 }, \ + { 6, 6, 6, 5, 5, 5, 5, 5, 6, 6, 6 }, \ + { 0, 2, 4, 2, 6, 5, 5, 5, 6, 6, 6 }, \ + { 3, 3, 3, 2, 2, 1, 1, 1, 4, 4, 4 } } +#define SUN8I_H5_AC_DELAYS \ + { 0, 0, 5, 5, 0, 0, 0, 0, \ + 0, 0, 0, 0, 3, 3, 3, 3, \ + 3, 3, 3, 3, 3, 3, 3, 3, \ + 3, 3, 3, 3, 2, 0, 0 } + +unsigned long sunxi_dram_init(void) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + unsigned long size; + + struct dram_para para = { + .dual_rank = 1, + .bus_full_width = 1, + .ranks = { + { + .row_bits = 15, + .bank_bits = 3, + .page_size = 4096, + }, + { + .row_bits = 15, + .bank_bits = 3, + .page_size = 4096, + } + }, + +#if defined(CONFIG_MACH_SUN8I_H3) + .dx_read_delays = SUN8I_H3_DX_READ_DELAYS, + .dx_write_delays = SUN8I_H3_DX_WRITE_DELAYS, + .ac_delays = SUN8I_H3_AC_DELAYS, +#elif defined(CONFIG_MACH_SUN8I_R40) + .dx_read_delays = SUN8I_R40_DX_READ_DELAYS, + .dx_write_delays = SUN8I_R40_DX_WRITE_DELAYS, + .ac_delays = SUN8I_R40_AC_DELAYS, +#elif defined(CONFIG_MACH_SUN50I) + .dx_read_delays = SUN50I_A64_DX_READ_DELAYS, + .dx_write_delays = SUN50I_A64_DX_WRITE_DELAYS, + .ac_delays = SUN50I_A64_AC_DELAYS, +#elif defined(CONFIG_MACH_SUN50I_H5) + .dx_read_delays = SUN8I_H5_DX_READ_DELAYS, + .dx_write_delays = SUN8I_H5_DX_WRITE_DELAYS, + .ac_delays = SUN8I_H5_AC_DELAYS, +#endif + }; +/* + * Let the compiler optimize alternatives away by passing this value into + * the static functions. This saves us #ifdefs, but still keeps the binary + * small. + */ +#if defined(CONFIG_MACH_SUN8I_H3) + uint16_t socid = SOCID_H3; +#elif defined(CONFIG_MACH_SUN8I_R40) + uint16_t socid = SOCID_R40; + /* Currently we cannot support R40 with dual rank memory */ + para.dual_rank = 0; +#elif defined(CONFIG_MACH_SUN8I_V3S) + /* TODO: set delays and mbus priority for V3s */ + uint16_t socid = SOCID_H3; +#elif defined(CONFIG_MACH_SUN50I) + uint16_t socid = SOCID_A64; +#elif defined(CONFIG_MACH_SUN50I_H5) + uint16_t socid = SOCID_H5; +#endif + + mctl_sys_init(socid, ¶); + if (mctl_channel_init(socid, ¶)) + return 0; + + if (para.dual_rank) + writel(0x00000303, &mctl_ctl->odtmap); + else + writel(0x00000201, &mctl_ctl->odtmap); + udelay(1); + + /* odt delay */ + if (socid == SOCID_H3) + writel(0x0c000400, &mctl_ctl->odtcfg); + + if (socid == SOCID_A64 || socid == SOCID_H5 || socid == SOCID_R40) { + /* VTF enable (tpr13[8] == 1) */ + setbits_le32(&mctl_ctl->vtfcr, + (socid != SOCID_A64 ? 3 : 2) << 8); + /* DQ hold disable (tpr13[26] == 1) */ + clrbits_le32(&mctl_ctl->pgcr[2], (1 << 13)); + } + + /* clear credit value */ + setbits_le32(&mctl_com->cccr, 1 << 31); + udelay(10); + + mctl_auto_detect_dram_size(socid, ¶); + mctl_set_cr(socid, ¶); + + size = mctl_calc_rank_size(¶.ranks[0]); + if (socid == SOCID_A64 || socid == SOCID_R40) { + if (para.dual_rank) + size += mctl_calc_rank_size(¶.ranks[1]); + } else if (para.dual_rank) { + size *= 2; + } + + return size; +} diff --git a/arch/arm/mach-sunxi/sunxi-sdram.c b/arch/arm/mach-sunxi/sunxi-sdram.c new file mode 100644 index 0000000000..49382e40cd --- /dev/null +++ b/arch/arm/mach-sunxi/sunxi-sdram.c @@ -0,0 +1,1007 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * sun8i H3 platform dram controller init + * + * (C) Copyright 2007-2015 Allwinner Technology Co. + * Jerry Wang + * (C) Copyright 2015 Vishnu Patekar + * (C) Copyright 2015 Hans de Goede + * (C) Copyright 2015 Jens Kuske + */ +#include +#include +#include + +#include + +#if defined(CONFIG_MACH_SUN50I_A64) +#define CONFIG_MACH_SUN50I CONFIG_MACH_SUN50I_A64 +#endif + +static void mctl_phy_init(u32 val) +{ + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + writel(val | PIR_INIT, &mctl_ctl->pir); + mctl_await_completion(&mctl_ctl->pgsr[0], PGSR_INIT_DONE, 0x1); +} + +static void mctl_set_bit_delays(struct dram_para *para) +{ + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + int i, j; + + clrbits_le32(&mctl_ctl->pgcr[0], 1 << 26); + + for (i = 0; i < NR_OF_BYTE_LANES; i++) + for (j = 0; j < LINES_PER_BYTE_LANE; j++) + writel(DXBDLR_WRITE_DELAY(para->dx_write_delays[i][j]) | + DXBDLR_READ_DELAY(para->dx_read_delays[i][j]), + &mctl_ctl->dx[i].bdlr[j]); + + for (i = 0; i < 31; i++) + writel(ACBDLR_WRITE_DELAY(para->ac_delays[i]), + &mctl_ctl->acbdlr[i]); + +#ifdef CONFIG_MACH_SUN8I_R40 + /* DQSn, DMn, DQn output enable bit delay */ + for (i = 0; i < 4; i++) + writel(0x6 << 24, &mctl_ctl->dx[i].sdlr); +#endif + + setbits_le32(&mctl_ctl->pgcr[0], 1 << 26); +} + +enum { + MBUS_PORT_CPU = 0, + MBUS_PORT_GPU = 1, + MBUS_PORT_UNUSED = 2, + MBUS_PORT_DMA = 3, + MBUS_PORT_VE = 4, + MBUS_PORT_CSI = 5, + MBUS_PORT_NAND = 6, + MBUS_PORT_SS = 7, + MBUS_PORT_TS = 8, + MBUS_PORT_DI = 9, + MBUS_PORT_DE = 10, + MBUS_PORT_DE_CFD = 11, + MBUS_PORT_UNKNOWN1 = 12, + MBUS_PORT_UNKNOWN2 = 13, + MBUS_PORT_UNKNOWN3 = 14, +}; + +enum { + MBUS_QOS_LOWEST = 0, + MBUS_QOS_LOW, + MBUS_QOS_HIGH, + MBUS_QOS_HIGHEST +}; + +static inline void mbus_configure_port(u8 port, + bool bwlimit, + bool priority, + u8 qos, /* MBUS_QOS_LOWEST .. MBUS_QOS_HIGEST */ + u8 waittime, /* 0 .. 0xf */ + u8 acs, /* 0 .. 0xff */ + u16 bwl0, /* 0 .. 0xffff, bandwidth limit in MB/s */ + u16 bwl1, + u16 bwl2) +{ + struct sunxi_mctl_com_reg *const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + const u32 cfg0 = ( (bwlimit ? (1 << 0) : 0) + | (priority ? (1 << 1) : 0) + | ((qos & 0x3) << 2) + | ((waittime & 0xf) << 4) + | ((acs & 0xff) << 8) + | (bwl0 << 16) ); + const u32 cfg1 = ((u32)bwl2 << 16) | (bwl1 & 0xffff); + + writel(cfg0, &mctl_com->mcr[port][0]); + writel(cfg1, &mctl_com->mcr[port][1]); +} + +#define MBUS_CONF(port, bwlimit, qos, acs, bwl0, bwl1, bwl2) \ + mbus_configure_port(MBUS_PORT_ ## port, bwlimit, false, \ + MBUS_QOS_ ## qos, 0, acs, bwl0, bwl1, bwl2) + +static void mctl_set_master_priority_h3(void) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + /* enable bandwidth limit windows and set windows size 1us */ + writel((1 << 16) | (400 << 0), &mctl_com->bwcr); + + /* set cpu high priority */ + writel(0x00000001, &mctl_com->mapr); + + MBUS_CONF( CPU, true, HIGHEST, 0, 512, 256, 128); + MBUS_CONF( GPU, true, HIGH, 0, 1536, 1024, 256); + MBUS_CONF(UNUSED, true, HIGHEST, 0, 512, 256, 96); + MBUS_CONF( DMA, true, HIGHEST, 0, 256, 128, 32); + MBUS_CONF( VE, true, HIGH, 0, 1792, 1600, 256); + MBUS_CONF( CSI, true, HIGHEST, 0, 256, 128, 32); + MBUS_CONF( NAND, true, HIGH, 0, 256, 128, 64); + MBUS_CONF( SS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( TS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( DI, true, HIGH, 0, 1024, 256, 64); + MBUS_CONF( DE, true, HIGHEST, 3, 8192, 6120, 1024); + MBUS_CONF(DE_CFD, true, HIGH, 0, 1024, 288, 64); +} + +static void mctl_set_master_priority_a64(void) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + /* enable bandwidth limit windows and set windows size 1us */ + writel(399, &mctl_com->tmr); + writel((1 << 16), &mctl_com->bwcr); + + /* Port 2 is reserved per Allwinner's linux-3.10 source, yet they + * initialise it */ + MBUS_CONF( CPU, true, HIGHEST, 0, 160, 100, 80); + MBUS_CONF( GPU, false, HIGH, 0, 1536, 1400, 256); + MBUS_CONF(UNUSED, true, HIGHEST, 0, 512, 256, 96); + MBUS_CONF( DMA, true, HIGH, 0, 256, 80, 100); + MBUS_CONF( VE, true, HIGH, 0, 1792, 1600, 256); + MBUS_CONF( CSI, true, HIGH, 0, 256, 128, 0); + MBUS_CONF( NAND, true, HIGH, 0, 256, 128, 64); + MBUS_CONF( SS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( TS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( DI, true, HIGH, 0, 1024, 256, 64); + MBUS_CONF( DE, true, HIGH, 2, 8192, 6144, 2048); + MBUS_CONF(DE_CFD, true, HIGH, 0, 1280, 144, 64); + + writel(0x81000004, &mctl_com->mdfs_bwlr[2]); +} + +static void mctl_set_master_priority_h5(void) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + /* enable bandwidth limit windows and set windows size 1us */ + writel(399, &mctl_com->tmr); + writel((1 << 16), &mctl_com->bwcr); + + /* set cpu high priority */ + writel(0x00000001, &mctl_com->mapr); + + /* Port 2 is reserved per Allwinner's linux-3.10 source, yet + * they initialise it */ + MBUS_CONF( CPU, true, HIGHEST, 0, 300, 260, 150); + MBUS_CONF( GPU, true, HIGHEST, 0, 600, 400, 200); + MBUS_CONF(UNUSED, true, HIGHEST, 0, 512, 256, 96); + MBUS_CONF( DMA, true, HIGHEST, 0, 256, 128, 32); + MBUS_CONF( VE, true, HIGHEST, 0, 1900, 1500, 1000); + MBUS_CONF( CSI, true, HIGHEST, 0, 150, 120, 100); + MBUS_CONF( NAND, true, HIGH, 0, 256, 128, 64); + MBUS_CONF( SS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( TS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( DI, true, HIGH, 0, 1024, 256, 64); + MBUS_CONF( DE, true, HIGHEST, 3, 3400, 2400, 1024); + MBUS_CONF(DE_CFD, true, HIGHEST, 0, 600, 400, 200); +} + +static void mctl_set_master_priority_r40(void) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + /* enable bandwidth limit windows and set windows size 1us */ + writel(399, &mctl_com->tmr); + writel((1 << 16), &mctl_com->bwcr); + + /* set cpu high priority */ + writel(0x00000001, &mctl_com->mapr); + + /* Port 2 is reserved per Allwinner's linux-3.10 source, yet + * they initialise it */ + MBUS_CONF( CPU, true, HIGHEST, 0, 300, 260, 150); + MBUS_CONF( GPU, true, HIGHEST, 0, 600, 400, 200); + MBUS_CONF( UNUSED, true, HIGHEST, 0, 512, 256, 96); + MBUS_CONF( DMA, true, HIGHEST, 0, 256, 128, 32); + MBUS_CONF( VE, true, HIGHEST, 0, 1900, 1500, 1000); + MBUS_CONF( CSI, true, HIGHEST, 0, 150, 120, 100); + MBUS_CONF( NAND, true, HIGH, 0, 256, 128, 64); + MBUS_CONF( SS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( TS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( DI, true, HIGH, 0, 1024, 256, 64); + + /* + * The port names are probably wrong, but no correct sources + * are available. + */ + MBUS_CONF( DE, true, HIGH, 0, 128, 48, 0); + MBUS_CONF( DE_CFD, true, HIGH, 0, 384, 256, 0); + MBUS_CONF(UNKNOWN1, true, HIGHEST, 0, 512, 384, 256); + MBUS_CONF(UNKNOWN2, true, HIGHEST, 2, 8192, 6144, 1024); + MBUS_CONF(UNKNOWN3, true, HIGH, 0, 1280, 144, 64); +} + +static void mctl_set_master_priority(uint16_t socid) +{ + switch (socid) { + case SOCID_H3: + mctl_set_master_priority_h3(); + return; + case SOCID_A64: + mctl_set_master_priority_a64(); + return; + case SOCID_H5: + mctl_set_master_priority_h5(); + return; + case SOCID_R40: + mctl_set_master_priority_r40(); + return; + } +} + +static u32 bin_to_mgray(int val) +{ + static const u8 lookup_table[32] = { + 0x00, 0x01, 0x02, 0x03, 0x06, 0x07, 0x04, 0x05, + 0x0c, 0x0d, 0x0e, 0x0f, 0x0a, 0x0b, 0x08, 0x09, + 0x18, 0x19, 0x1a, 0x1b, 0x1e, 0x1f, 0x1c, 0x1d, + 0x14, 0x15, 0x16, 0x17, 0x12, 0x13, 0x10, 0x11, + }; + + return lookup_table[clamp(val, 0, 31)]; +} + +static int mgray_to_bin(u32 val) +{ + static const u8 lookup_table[32] = { + 0x00, 0x01, 0x02, 0x03, 0x06, 0x07, 0x04, 0x05, + 0x0e, 0x0f, 0x0c, 0x0d, 0x08, 0x09, 0x0a, 0x0b, + 0x1e, 0x1f, 0x1c, 0x1d, 0x18, 0x19, 0x1a, 0x1b, + 0x10, 0x11, 0x12, 0x13, 0x16, 0x17, 0x14, 0x15, + }; + + return lookup_table[val & 0x1f]; +} + +static void mctl_h3_zq_calibration_quirk(struct dram_para *para) +{ + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + int zq_count; + +#if defined CONFIG_SUNXI_DRAM_DW_16BIT + zq_count = 4; +#else + zq_count = 6; +#endif + + if ((readl(SUNXI_SRAMC_BASE + 0x24) & 0xff) == 0 && + (readl(SUNXI_SRAMC_BASE + 0xf0) & 0x1) == 0) { + u32 reg_val; + + clrsetbits_le32(&mctl_ctl->zqcr, 0xffff, + CONFIG_DRAM_ZQ & 0xffff); + + writel(PIR_CLRSR, &mctl_ctl->pir); + mctl_phy_init(PIR_ZCAL); + + reg_val = readl(&mctl_ctl->zqdr[0]); + reg_val &= (0x1f << 16) | (0x1f << 0); + reg_val |= reg_val << 8; + writel(reg_val, &mctl_ctl->zqdr[0]); + + reg_val = readl(&mctl_ctl->zqdr[1]); + reg_val &= (0x1f << 16) | (0x1f << 0); + reg_val |= reg_val << 8; + writel(reg_val, &mctl_ctl->zqdr[1]); + writel(reg_val, &mctl_ctl->zqdr[2]); + } else { + int i; + u16 zq_val[6]; + u8 val; + + writel(0x0a0a0a0a, &mctl_ctl->zqdr[2]); + + for (i = 0; i < zq_count; i++) { + u8 zq = (CONFIG_DRAM_ZQ >> (i * 4)) & 0xf; + + writel((zq << 20) | (zq << 16) | (zq << 12) | + (zq << 8) | (zq << 4) | (zq << 0), + &mctl_ctl->zqcr); + + writel(PIR_CLRSR, &mctl_ctl->pir); + mctl_phy_init(PIR_ZCAL); + + zq_val[i] = readl(&mctl_ctl->zqdr[0]) & 0xff; + writel(REPEAT_BYTE(zq_val[i]), &mctl_ctl->zqdr[2]); + + writel(PIR_CLRSR, &mctl_ctl->pir); + mctl_phy_init(PIR_ZCAL); + + val = readl(&mctl_ctl->zqdr[0]) >> 24; + zq_val[i] |= bin_to_mgray(mgray_to_bin(val) - 1) << 8; + } + + writel((zq_val[1] << 16) | zq_val[0], &mctl_ctl->zqdr[0]); + writel((zq_val[3] << 16) | zq_val[2], &mctl_ctl->zqdr[1]); + if (zq_count > 4) + writel((zq_val[5] << 16) | zq_val[4], + &mctl_ctl->zqdr[2]); + } +} + +static void mctl_set_cr(uint16_t socid, struct dram_para *para) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + writel(MCTL_CR_BL8 | MCTL_CR_INTERLEAVED | +#if defined CONFIG_SUNXI_DRAM_DDR3 + MCTL_CR_DDR3 | MCTL_CR_2T | +#elif defined CONFIG_SUNXI_DRAM_DDR2 + MCTL_CR_DDR2 | MCTL_CR_2T | +#elif defined CONFIG_SUNXI_DRAM_LPDDR3 + MCTL_CR_LPDDR3 | MCTL_CR_1T | +#else +#error Unsupported DRAM type! +#endif + (para->ranks[0].bank_bits == 3 ? MCTL_CR_EIGHT_BANKS : MCTL_CR_FOUR_BANKS) | + MCTL_CR_BUS_FULL_WIDTH(para->bus_full_width) | + (para->dual_rank ? MCTL_CR_DUAL_RANK : MCTL_CR_SINGLE_RANK) | + MCTL_CR_PAGE_SIZE(para->ranks[0].page_size) | + MCTL_CR_ROW_BITS(para->ranks[0].row_bits), &mctl_com->cr); + + if (socid == SOCID_A64 || socid == SOCID_R40) { + writel((para->ranks[1].bank_bits == 3 ? MCTL_CR_EIGHT_BANKS : MCTL_CR_FOUR_BANKS) | + MCTL_CR_BUS_FULL_WIDTH(para->bus_full_width) | + (para->dual_rank ? MCTL_CR_DUAL_RANK : MCTL_CR_SINGLE_RANK) | + MCTL_CR_PAGE_SIZE(para->ranks[1].page_size) | + MCTL_CR_ROW_BITS(para->ranks[1].row_bits), &mctl_com->cr_r1); + } + + if (socid == SOCID_R40) { + /* Mux pin to A15 address line for single rank memory. */ + if (!para->dual_rank) + setbits_le32(&mctl_com->cr_r1, MCTL_CR_R1_MUX_A15); + } +} + +static void mctl_sys_init(uint16_t socid) +{ + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct sunxi_mctl_ctl_reg *const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + clrbits_le32(&ccm->mbus0_clk_cfg, MBUS_CLK_GATE); + clrbits_le32(&ccm->mbus_reset, CCM_MBUS_RESET_RESET); + clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL); + clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL); + clrbits_le32(&ccm->pll5_cfg, CCM_PLL5_CTRL_EN); + if (socid == SOCID_A64 || socid == SOCID_R40) + clrbits_le32(&ccm->pll11_cfg, CCM_PLL11_CTRL_EN); + udelay(10); + + clrbits_le32(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_RST); + udelay(1000); + + if (socid == SOCID_A64 || socid == SOCID_R40) { + clock_set_pll11(CONFIG_DRAM_CLK * 2 * 1000000, false); + clrsetbits_le32(&ccm->dram_clk_cfg, + CCM_DRAMCLK_CFG_DIV_MASK | + CCM_DRAMCLK_CFG_SRC_MASK, + CCM_DRAMCLK_CFG_DIV(1) | + CCM_DRAMCLK_CFG_SRC_PLL11 | + CCM_DRAMCLK_CFG_UPD); + } else if (socid == SOCID_H3 || socid == SOCID_H5) { + clock_set_pll5(CONFIG_DRAM_CLK * 2 * 1000000, false); + clrsetbits_le32(&ccm->dram_clk_cfg, + CCM_DRAMCLK_CFG_DIV_MASK | + CCM_DRAMCLK_CFG_SRC_MASK, + CCM_DRAMCLK_CFG_DIV(1) | + CCM_DRAMCLK_CFG_SRC_PLL5 | + CCM_DRAMCLK_CFG_UPD); + } + mctl_await_completion(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_UPD, 0); + + setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL); + setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL); + setbits_le32(&ccm->mbus_reset, CCM_MBUS_RESET_RESET); + setbits_le32(&ccm->mbus0_clk_cfg, MBUS_CLK_GATE); + + setbits_le32(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_RST); + udelay(10); + + writel(socid == SOCID_H5 ? 0x8000 : 0xc00e, &mctl_ctl->clken); + udelay(500); +} + +/* These are more guessed based on some Allwinner code. */ +#define DX_GCR_ODT_DYNAMIC (0x0 << 4) +#define DX_GCR_ODT_ALWAYS_ON (0x1 << 4) +#define DX_GCR_ODT_OFF (0x2 << 4) + +static int mctl_channel_init(uint16_t socid, struct dram_para *para) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + unsigned int i; + + mctl_set_cr(socid, para); + mctl_set_timing_params(socid, para); + mctl_set_master_priority(socid); + + /* setting VTC, default disable all VT */ + clrbits_le32(&mctl_ctl->pgcr[0], (1 << 30) | 0x3f); + if (socid == SOCID_H5) + setbits_le32(&mctl_ctl->pgcr[1], (1 << 24) | (1 << 26)); + else + clrsetbits_le32(&mctl_ctl->pgcr[1], 1 << 24, 1 << 26); + + /* increase DFI_PHY_UPD clock */ + writel(PROTECT_MAGIC, &mctl_com->protect); + udelay(100); + clrsetbits_le32(&mctl_ctl->upd2, 0xfff << 16, 0x50 << 16); + writel(0x0, &mctl_com->protect); + udelay(100); + + /* set dramc odt */ + for (i = 0; i < 4; i++) { + u32 clearmask = (0x3 << 4) | (0x1 << 1) | (0x3 << 2) | + (0x3 << 12) | (0x3 << 14); + u32 setmask = IS_ENABLED(CONFIG_DRAM_ODT_EN) ? + DX_GCR_ODT_DYNAMIC : DX_GCR_ODT_OFF; + + if (socid == SOCID_H5) { + clearmask |= 0x2 << 8; + setmask |= 0x4 << 8; + } + clrsetbits_le32(&mctl_ctl->dx[i].gcr, clearmask, setmask); + } + + /* AC PDR should always ON */ + clrsetbits_le32(&mctl_ctl->aciocr, socid == SOCID_H5 ? (0x1 << 11) : 0, + 0x1 << 1); + + /* set DQS auto gating PD mode */ + setbits_le32(&mctl_ctl->pgcr[2], 0x3 << 6); + + if (socid == SOCID_H3) { + /* dx ddr_clk & hdr_clk dynamic mode */ + clrbits_le32(&mctl_ctl->pgcr[0], (0x3 << 14) | (0x3 << 12)); + + /* dphy & aphy phase select 270 degree */ + clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8), + (0x1 << 10) | (0x2 << 8)); + } else if (socid == SOCID_A64 || socid == SOCID_H5) { + /* dphy & aphy phase select ? */ + clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8), + (0x0 << 10) | (0x3 << 8)); + } else if (socid == SOCID_R40) { + /* dx ddr_clk & hdr_clk dynamic mode (tpr13[9] == 0) */ + clrbits_le32(&mctl_ctl->pgcr[0], (0x3 << 14) | (0x3 << 12)); + + /* dphy & aphy phase select ? */ + clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8), + (0x0 << 10) | (0x3 << 8)); + } + + /* set half DQ */ + if (!para->bus_full_width) { +#if defined CONFIG_SUNXI_DRAM_DW_32BIT + writel(0x0, &mctl_ctl->dx[2].gcr); + writel(0x0, &mctl_ctl->dx[3].gcr); +#elif defined CONFIG_SUNXI_DRAM_DW_16BIT + writel(0x0, &mctl_ctl->dx[1].gcr); +#else +#error Unsupported DRAM bus width! +#endif + } + + /* data training configuration */ + clrsetbits_le32(&mctl_ctl->dtcr, 0xf << 24, + (para->dual_rank ? 0x3 : 0x1) << 24); + + mctl_set_bit_delays(para); + udelay(50); + + if (socid == SOCID_H3) { + mctl_h3_zq_calibration_quirk(para); + + mctl_phy_init(PIR_PLLINIT | PIR_DCAL | PIR_PHYRST | + PIR_DRAMRST | PIR_DRAMINIT | PIR_QSGATE); + } else if (socid == SOCID_A64 || socid == SOCID_H5) { + clrsetbits_le32(&mctl_ctl->zqcr, 0xffffff, CONFIG_DRAM_ZQ); + + mctl_phy_init(PIR_ZCAL | PIR_PLLINIT | PIR_DCAL | PIR_PHYRST | + PIR_DRAMRST | PIR_DRAMINIT | PIR_QSGATE); + /* no PIR_QSGATE for H5 ???? */ + } else if (socid == SOCID_R40) { + clrsetbits_le32(&mctl_ctl->zqcr, 0xffffff, CONFIG_DRAM_ZQ); + + mctl_phy_init(PIR_ZCAL | PIR_PLLINIT | PIR_DCAL | PIR_PHYRST | + PIR_DRAMRST | PIR_DRAMINIT); + } + + /* detect ranks and bus width */ + if (readl(&mctl_ctl->pgsr[0]) & (0xfe << 20)) { + /* only one rank */ + if (((readl(&mctl_ctl->dx[0].gsr[0]) >> 24) & 0x2) +#if defined CONFIG_SUNXI_DRAM_DW_32BIT + || ((readl(&mctl_ctl->dx[1].gsr[0]) >> 24) & 0x2) +#endif + ) { + clrsetbits_le32(&mctl_ctl->dtcr, 0xf << 24, 0x1 << 24); + para->dual_rank = 0; + } + + /* only half DQ width */ +#if defined CONFIG_SUNXI_DRAM_DW_32BIT + if (((readl(&mctl_ctl->dx[2].gsr[0]) >> 24) & 0x1) || + ((readl(&mctl_ctl->dx[3].gsr[0]) >> 24) & 0x1)) { + writel(0x0, &mctl_ctl->dx[2].gcr); + writel(0x0, &mctl_ctl->dx[3].gcr); + para->bus_full_width = 0; + } +#elif defined CONFIG_SUNXI_DRAM_DW_16BIT + if ((readl(&mctl_ctl->dx[1].gsr[0]) >> 24) & 0x1) { + writel(0x0, &mctl_ctl->dx[1].gcr); + para->bus_full_width = 0; + } +#endif + + mctl_set_cr(socid, para); + udelay(20); + + /* re-train */ + mctl_phy_init(PIR_QSGATE); + if (readl(&mctl_ctl->pgsr[0]) & (0xfe << 20)) + return 1; + } + + /* check the dramc status */ + mctl_await_completion(&mctl_ctl->statr, 0x1, 0x1); + + /* liuke added for refresh debug */ + setbits_le32(&mctl_ctl->rfshctl0, 0x1 << 31); + udelay(10); + clrbits_le32(&mctl_ctl->rfshctl0, 0x1 << 31); + udelay(10); + + /* set PGCR3, CKE polarity */ + if (socid == SOCID_H3) + writel(0x00aa0060, &mctl_ctl->pgcr[3]); + else if (socid == SOCID_A64 || socid == SOCID_H5 || socid == SOCID_R40) + writel(0xc0aa0060, &mctl_ctl->pgcr[3]); + + /* power down zq calibration module for power save */ + setbits_le32(&mctl_ctl->zqcr, ZQCR_PWRDOWN); + + /* enable master access */ + writel(0xffffffff, &mctl_com->maer); + + return 0; +} + +/* + * The actual values used here are taken from Allwinner provided boot0 + * binaries, though they are probably board specific, so would likely benefit + * from invidual tuning for each board. Apparently a lot of boards copy from + * some Allwinner reference design, so we go with those generic values for now + * in the hope that they are reasonable for most (all?) boards. + */ +#define SUN8I_H3_DX_READ_DELAYS \ + {{ 18, 18, 18, 18, 18, 18, 18, 18, 18, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 18, 18, 18, 18, 18, 18, 18, 18, 18, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }} +#define SUN8I_H3_DX_WRITE_DELAYS \ + {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 6 }} +#define SUN8I_H3_AC_DELAYS \ + { 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0 } + +#define SUN8I_R40_DX_READ_DELAYS \ + {{ 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 } } +#define SUN8I_R40_DX_WRITE_DELAYS \ + {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 } } +#define SUN8I_R40_AC_DELAYS \ + { 0, 0, 3, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0 } + +#define SUN50I_A64_DX_READ_DELAYS \ + {{ 16, 16, 16, 16, 17, 16, 16, 17, 16, 1, 0 }, \ + { 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 0 }, \ + { 16, 17, 17, 16, 16, 16, 16, 16, 16, 0, 0 }, \ + { 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 0 }} +#define SUN50I_A64_DX_WRITE_DELAYS \ + {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 15 }, \ + { 0, 0, 0, 0, 1, 1, 1, 1, 0, 10, 10 }, \ + { 1, 0, 1, 1, 1, 1, 1, 1, 0, 11, 11 }, \ + { 1, 0, 0, 1, 1, 1, 1, 1, 0, 12, 12 }} +#define SUN50I_A64_AC_DELAYS \ + { 5, 5, 13, 10, 2, 5, 3, 3, \ + 0, 3, 3, 3, 1, 0, 0, 0, \ + 3, 4, 0, 3, 4, 1, 4, 0, \ + 1, 1, 0, 1, 13, 5, 4 } + +#define SUN8I_H5_DX_READ_DELAYS \ + {{ 14, 15, 17, 17, 17, 17, 17, 18, 17, 3, 3 }, \ + { 21, 21, 12, 22, 21, 21, 21, 21, 21, 3, 3 }, \ + { 16, 19, 19, 17, 22, 22, 21, 22, 19, 3, 3 }, \ + { 21, 21, 22, 22, 20, 21, 19, 19, 19, 3, 3 } } +#define SUN8I_H5_DX_WRITE_DELAYS \ + {{ 1, 2, 3, 4, 3, 4, 4, 4, 6, 6, 6 }, \ + { 6, 6, 6, 5, 5, 5, 5, 5, 6, 6, 6 }, \ + { 0, 2, 4, 2, 6, 5, 5, 5, 6, 6, 6 }, \ + { 3, 3, 3, 2, 2, 1, 1, 1, 4, 4, 4 } } +#define SUN8I_H5_AC_DELAYS \ + { 0, 0, 5, 5, 0, 0, 0, 0, \ + 0, 0, 0, 0, 3, 3, 3, 3, \ + 3, 3, 3, 3, 3, 3, 3, 3, \ + 3, 3, 3, 3, 2, 0, 0 } + +unsigned long sunxi_dram_init(void) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + unsigned long size; + struct dram_para para = { + .dual_rank = 1, + .bus_full_width = 1, + .ranks = { + { + .row_bits = 15, + .bank_bits = 3, + .page_size = 4096, + }, + { + .row_bits = 15, + .bank_bits = 3, + .page_size = 4096, + } + }, +#if defined(CONFIG_MACH_SUN8I_H3) + .dx_read_delays = SUN8I_H3_DX_READ_DELAYS, + .dx_write_delays = SUN8I_H3_DX_WRITE_DELAYS, + .ac_delays = SUN8I_H3_AC_DELAYS, +#elif defined(CONFIG_MACH_SUN8I_R40) + .dx_read_delays = SUN8I_R40_DX_READ_DELAYS, + .dx_write_delays = SUN8I_R40_DX_WRITE_DELAYS, + .ac_delays = SUN8I_R40_AC_DELAYS, +#elif defined(CONFIG_MACH_SUN50I) + .dx_read_delays = SUN50I_A64_DX_READ_DELAYS, + .dx_write_delays = SUN50I_A64_DX_WRITE_DELAYS, + .ac_delays = SUN50I_A64_AC_DELAYS, +#elif defined(CONFIG_MACH_SUN50I_H5) + .dx_read_delays = SUN8I_H5_DX_READ_DELAYS, + .dx_write_delays = SUN8I_H5_DX_WRITE_DELAYS, + .ac_delays = SUN8I_H5_AC_DELAYS, +#endif + }; +/* + * Let the compiler optimize alternatives away by passing this value into + * the static functions. This saves us #ifdefs, but still keeps the binary + * small. + */ +#if defined(CONFIG_MACH_SUN8I_H3) + uint16_t socid = SOCID_H3; +#elif defined(CONFIG_MACH_SUN8I_R40) + uint16_t socid = SOCID_R40; + /* Currently we cannot support R40 with dual rank memory */ + para.dual_rank = 0; +#elif defined(CONFIG_MACH_SUN8I_V3S) + /* TODO: set delays and mbus priority for V3s */ + uint16_t socid = SOCID_H3; +#elif defined(CONFIG_MACH_SUN50I) + uint16_t socid = SOCID_A64; +#elif defined(CONFIG_MACH_SUN50I_H5) + uint16_t socid = SOCID_H5; +#endif + + mctl_sys_init(socid, ¶); + if (mctl_channel_init(socid, ¶)) + return 0; + + if (para.dual_rank) + writel(0x00000303, &mctl_ctl->odtmap); + else + writel(0x00000201, &mctl_ctl->odtmap); + udelay(1); + + /* odt delay */ + if (socid == SOCID_H3) + writel(0x0c000400, &mctl_ctl->odtcfg); + + if (socid == SOCID_A64 || socid == SOCID_H5 || socid == SOCID_R40) { + /* VTF enable (tpr13[8] == 1) */ + setbits_le32(&mctl_ctl->vtfcr, + (socid != SOCID_A64 ? 3 : 2) << 8); + /* DQ hold disable (tpr13[26] == 1) */ + clrbits_le32(&mctl_ctl->pgcr[2], (1 << 13)); + } + + /* clear credit value */ + setbits_le32(&mctl_com->cccr, 1 << 31); + udelay(10); + + mctl_set_cr(socid, ¶); + + return 0; +} + + +static void mctl_sys_init(uint16_t socid) +{ + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct sunxi_mctl_ctl_reg *const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + clrbits_le32(&ccm->mbus0_clk_cfg, MBUS_CLK_GATE); + clrbits_le32(&ccm->mbus_reset, CCM_MBUS_RESET_RESET); + clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL); + clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL); + clrbits_le32(&ccm->pll5_cfg, CCM_PLL5_CTRL_EN); + if (socid == SOCID_A64 || socid == SOCID_R40) + clrbits_le32(&ccm->pll11_cfg, CCM_PLL11_CTRL_EN); + udelay(10); + + clrbits_le32(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_RST); + udelay(1000); + + if (socid == SOCID_A64 || socid == SOCID_R40) { + clock_set_pll11(CONFIG_DRAM_CLK * 2 * 1000000, false); + clrsetbits_le32(&ccm->dram_clk_cfg, + CCM_DRAMCLK_CFG_DIV_MASK | + CCM_DRAMCLK_CFG_SRC_MASK, + CCM_DRAMCLK_CFG_DIV(1) | + CCM_DRAMCLK_CFG_SRC_PLL11 | + CCM_DRAMCLK_CFG_UPD); + } else if (socid == SOCID_H3 || socid == SOCID_H5) { + clock_set_pll5(CONFIG_DRAM_CLK * 2 * 1000000, false); + clrsetbits_le32(&ccm->dram_clk_cfg, + CCM_DRAMCLK_CFG_DIV_MASK | + CCM_DRAMCLK_CFG_SRC_MASK, + CCM_DRAMCLK_CFG_DIV(1) | + CCM_DRAMCLK_CFG_SRC_PLL5 | + CCM_DRAMCLK_CFG_UPD); + } + mctl_await_completion(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_UPD, 0); + + setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL); + setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL); + setbits_le32(&ccm->mbus_reset, CCM_MBUS_RESET_RESET); + setbits_le32(&ccm->mbus0_clk_cfg, MBUS_CLK_GATE); + + setbits_le32(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_RST); + udelay(10); + + writel(socid == SOCID_H5 ? 0x8000 : 0xc00e, &mctl_ctl->clken); + udelay(500); +} + +void sunxi_dram_cfg(void) +{ + mctl_sys_init(socid); + if (mctl_channel_init(socid, ¶)) + return 0; + +} + +/* ------------------------------------------------------------ */ + +static inline unsigned long sunxi_dram_init(uint16_t socid, struct dram_para *para) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + struct sunxi_mctl_ctl_reg * const mctl_ctl = + (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE; + + unsigned long size; + + mctl_sys_init(socid, para); + if (mctl_channel_init(socid, para)) + return 0; + + if (para->dual_rank) + writel(0x00000303, &mctl_ctl->odtmap); + else + writel(0x00000201, &mctl_ctl->odtmap); + udelay(1); + + /* odt delay */ + if (socid == SOCID_H3) + writel(0x0c000400, &mctl_ctl->odtcfg); + + if (socid == SOCID_A64 || socid == SOCID_H5 || socid == SOCID_R40) { + /* VTF enable (tpr13[8] == 1) */ + setbits_le32(&mctl_ctl->vtfcr, + (socid != SOCID_A64 ? 3 : 2) << 8); + /* DQ hold disable (tpr13[26] == 1) */ + clrbits_le32(&mctl_ctl->pgcr[2], (1 << 13)); + } + + /* clear credit value */ + setbits_le32(&mctl_com->cccr, 1 << 31); + udelay(10); + + mctl_auto_detect_dram_size(socid, para); + mctl_set_cr(socid, para); + + size = mctl_calc_rank_size(¶->ranks[0]); + if (socid == SOCID_A64 || socid == SOCID_R40) { + if (para->dual_rank) + size += mctl_calc_rank_size(¶->ranks[1]); + } else if (para->dual_rank) { + size *= 2; + } + + return size; +} + +/* + * The actual values used here are taken from Allwinner provided boot0 + * binaries, though they are probably board specific, so would likely benefit + * from invidual tuning for each board. Apparently a lot of boards copy from + * some Allwinner reference design, so we go with those generic values for now + * in the hope that they are reasonable for most (all?) boards. + */ +#define SUN8I_H3_DX_READ_DELAYS \ + {{ 18, 18, 18, 18, 18, 18, 18, 18, 18, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 18, 18, 18, 18, 18, 18, 18, 18, 18, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }} +#define SUN8I_H3_DX_WRITE_DELAYS \ + {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 6 }} +#define SUN8I_H3_AC_DELAYS \ + { 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0 } + +#define SUN8I_R40_DX_READ_DELAYS \ + {{ 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 }, \ + { 14, 14, 14, 14, 14, 14, 14, 14, 14, 0, 0 } } +#define SUN8I_R40_DX_WRITE_DELAYS \ + {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 }, \ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0 } } +#define SUN8I_R40_AC_DELAYS \ + { 0, 0, 3, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0 } + +#define SUN50I_A64_DX_READ_DELAYS \ + {{ 16, 16, 16, 16, 17, 16, 16, 17, 16, 1, 0 }, \ + { 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 0 }, \ + { 16, 17, 17, 16, 16, 16, 16, 16, 16, 0, 0 }, \ + { 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 0 }} +#define SUN50I_A64_DX_WRITE_DELAYS \ + {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 15 }, \ + { 0, 0, 0, 0, 1, 1, 1, 1, 0, 10, 10 }, \ + { 1, 0, 1, 1, 1, 1, 1, 1, 0, 11, 11 }, \ + { 1, 0, 0, 1, 1, 1, 1, 1, 0, 12, 12 }} +#define SUN50I_A64_AC_DELAYS \ + { 5, 5, 13, 10, 2, 5, 3, 3, \ + 0, 3, 3, 3, 1, 0, 0, 0, \ + 3, 4, 0, 3, 4, 1, 4, 0, \ + 1, 1, 0, 1, 13, 5, 4 } + +#define SUN8I_H5_DX_READ_DELAYS \ + {{ 14, 15, 17, 17, 17, 17, 17, 18, 17, 3, 3 }, \ + { 21, 21, 12, 22, 21, 21, 21, 21, 21, 3, 3 }, \ + { 16, 19, 19, 17, 22, 22, 21, 22, 19, 3, 3 }, \ + { 21, 21, 22, 22, 20, 21, 19, 19, 19, 3, 3 } } +#define SUN8I_H5_DX_WRITE_DELAYS \ + {{ 1, 2, 3, 4, 3, 4, 4, 4, 6, 6, 6 }, \ + { 6, 6, 6, 5, 5, 5, 5, 5, 6, 6, 6 }, \ + { 0, 2, 4, 2, 6, 5, 5, 5, 6, 6, 6 }, \ + { 3, 3, 3, 2, 2, 1, 1, 1, 4, 4, 4 } } +#define SUN8I_H5_AC_DELAYS \ + { 0, 0, 5, 5, 0, 0, 0, 0, \ + 0, 0, 0, 0, 3, 3, 3, 3, \ + 3, 3, 3, 3, 3, 3, 3, 3, \ + 3, 3, 3, 3, 2, 0, 0 } + +static struct dram_para sun8i_h3_para = { + .dual_rank = 1, + .bus_full_width = 1, + .ranks = { + { .row_bits = 15, .bank_bits = 3, .page_size = 4096, }, + { .row_bits = 15, .bank_bits = 3, .page_size = 4096, }, + }, + .dx_read_delays = SUN8I_H3_DX_READ_DELAYS, + .dx_write_delays = SUN8I_H3_DX_WRITE_DELAYS, + .ac_delays = SUN8I_H3_AC_DELAYS, +}; + +static struct dram_para sun8i_r40_para = { + .dual_rank = 0, /* Currently we cannot support R40 with dual rank memory */ + .bus_full_width = 1, + .ranks = { + { .row_bits = 15, .bank_bits = 3, .page_size = 4096, }, + { .row_bits = 15, .bank_bits = 3, .page_size = 4096, }, + }, + .dx_read_delays = SUN8I_R40_DX_READ_DELAYS, + .dx_write_delays = SUN8I_R40_DX_WRITE_DELAYS, + .ac_delays = SUN8I_R40_AC_DELAYS, +}; + +static struct dram_para sun50i_a64_para = { + .dual_rank = 1, + .bus_full_width = 1, + .ranks = { + { .row_bits = 15, .bank_bits = 3, .page_size = 4096, }, + { .row_bits = 15, .bank_bits = 3, .page_size = 4096, }, + }, + .dx_read_delays = SUN50I_A64_DX_READ_DELAYS, + .dx_write_delays = SUN50I_A64_DX_WRITE_DELAYS, + .ac_delays = SUN50I_A64_AC_DELAYS, +}; + +static struct dram_para sun50i_h5_para = { + .dual_rank = 1, + .bus_full_width = 1, + .ranks = { + { .row_bits = 15, .bank_bits = 3, .page_size = 4096, }, + { .row_bits = 15, .bank_bits = 3, .page_size = 4096, }, + }, + .dx_read_delays = SUN8I_H5_DX_READ_DELAYS, + .dx_write_delays = SUN8I_H5_DX_WRITE_DELAYS, + .ac_delays = SUN8I_H5_AC_DELAYS, +}; + +unsigned long sun8i_h3_dram_init(void) +{ + return sunxi_dram_init(SOCID_H3, &sun8i_h3_para); +} + +unsigned long sun8i_r40_dram_init(void) +{ + return sunxi_dram_init(SOCID_R40, &sun8i_r40_para); +} + +unsigned long sun8i_v3s_dram_init(void) +{ + /* TODO: set delays and mbus priority for V3s */ + return sunxi_dram_init(SOCID_H3, &sun8i_h3_para); +} + +unsigned long sun50i_dram_init(void) +{ + return sunxi_dram_init(SOCID_A64, &sun50i_a64_para); +} + +unsigned long sun50i_h5_dram_init(void) +{ + return sunxi_dram_init(SOCID_H5, &sun50i_h5_para); +} diff --git a/include/mach/sunxi/init.h b/include/mach/sunxi/init.h index fed9afe6ba..626b459533 100644 --- a/include/mach/sunxi/init.h +++ b/include/mach/sunxi/init.h @@ -8,4 +8,7 @@ void sun50i_cpu_lowlevel_reset(void); void sun50i_uart_setup(void); +unsigned long sun50i_a64_ddr3_dram_init(void); +unsigned long sun50i_a64_lpddr3_dram_init(void); + #endif -- 2.40.1