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-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/dts/Makefile1
-rw-r--r--arch/arm/dts/sun8i-h3-beelink-x2.dts216
-rw-r--r--arch/arm/include/asm/arch-sunxi/dram_sun50i_h6.h35
-rw-r--r--arch/arm/mach-sunxi/Kconfig19
-rw-r--r--arch/arm/mach-sunxi/Makefile1
-rw-r--r--arch/arm/mach-sunxi/dram_sun50i_h6.c251
-rw-r--r--arch/arm/mach-sunxi/dram_timings/Makefile2
-rw-r--r--arch/arm/mach-sunxi/dram_timings/h6_ddr3_1333.c144
-rw-r--r--arch/arm/mach-sunxi/dram_timings/h6_lpddr3.c132
10 files changed, 624 insertions, 178 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5ab9cbe..05606d9 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -936,6 +936,7 @@ config ARCH_SUNXI
select SPL_STACK_R if SPL
select SPL_SYS_MALLOC_SIMPLE if SPL
select SPL_SYS_THUMB_BUILD if !ARM64
+ select SUNXI_GPIO
select SYS_NS16550
select SYS_THUMB_BUILD if !ARM64
select USB if DISTRO_DEFAULTS
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 39cf4c3..f553507 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -482,6 +482,7 @@ dtb-$(CONFIG_MACH_SUN8I_H3) += \
sun8i-h2-plus-orangepi-r1.dtb \
sun8i-h2-plus-orangepi-zero.dtb \
sun8i-h3-bananapi-m2-plus.dtb \
+ sun8i-h3-beelink-x2.dtb \
sun8i-h3-libretech-all-h3-cc.dtb \
sun8i-h3-nanopi-m1.dtb \
sun8i-h3-nanopi-m1-plus.dtb \
diff --git a/arch/arm/dts/sun8i-h3-beelink-x2.dts b/arch/arm/dts/sun8i-h3-beelink-x2.dts
new file mode 100644
index 0000000..25540b7
--- /dev/null
+++ b/arch/arm/dts/sun8i-h3-beelink-x2.dts
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2017 Marcus Cooper <codekipper@gmail.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "sun8i-h3.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Beelink X2";
+ compatible = "roofull,beelink-x2", "allwinner,sun8i-h3";
+
+ aliases {
+ serial0 = &uart0;
+ ethernet0 = &emac;
+ ethernet1 = &sdiowifi;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ connector {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_con_in: endpoint {
+ remote-endpoint = <&hdmi_out_con>;
+ };
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ blue {
+ label = "beelink-x2:blue:pwr";
+ gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
+ default-state = "on";
+ };
+
+ red {
+ label = "beelink-x2:red:standby";
+ gpios = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
+ };
+ };
+
+ wifi_pwrseq: wifi_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
+ };
+
+ sound_spdif {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "On-board SPDIF";
+
+ simple-audio-card,cpu {
+ sound-dai = <&spdif>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&spdif_out>;
+ };
+ };
+
+ spdif_out: spdif-out {
+ #sound-dai-cells = <0>;
+ compatible = "linux,spdif-dit";
+ };
+};
+
+&de {
+ status = "okay";
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&emac {
+ phy-handle = <&int_mii_phy>;
+ phy-mode = "mii";
+ allwinner,leds-active-low;
+ status = "okay";
+};
+
+&hdmi {
+ status = "okay";
+};
+
+&hdmi_out {
+ hdmi_out_con: endpoint {
+ remote-endpoint = <&hdmi_con_in>;
+ };
+};
+
+&ir {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ir_pins_a>;
+ status = "okay";
+};
+
+&mmc0 {
+ vmmc-supply = <&reg_vcc3v3>;
+ bus-width = <4>;
+ cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
+ status = "okay";
+};
+
+&mmc1 {
+ vmmc-supply = <&reg_vcc3v3>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+
+ /*
+ * Explicitly define the sdio device, so that we can add an ethernet
+ * alias for it (which e.g. makes u-boot set a mac-address).
+ */
+ sdiowifi: sdio_wifi@1 {
+ reg = <1>;
+ };
+};
+
+&mmc2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc2_8bit_pins>;
+ vmmc-supply = <&reg_vcc3v3>;
+ bus-width = <8>;
+ non-removable;
+ cap-mmc-hw-reset;
+ status = "okay";
+};
+
+&ohci0 {
+ status = "okay";
+};
+
+&ohci1 {
+ status = "okay";
+};
+
+&reg_usb0_vbus {
+ gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
+ status = "okay";
+};
+
+&spdif {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spdif_tx_pins_a>;
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins_a>;
+ status = "okay";
+};
+
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usbphy {
+ /* USB VBUS is always on except for the OTG port */
+ status = "okay";
+ usb0_id_det-gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA07 */
+ usb0_vbus-supply = <&reg_usb0_vbus>;
+};
diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun50i_h6.h b/arch/arm/include/asm/arch-sunxi/dram_sun50i_h6.h
index eeb4da5..0a1da02 100644
--- a/arch/arm/include/asm/arch-sunxi/dram_sun50i_h6.h
+++ b/arch/arm/include/asm/arch-sunxi/dram_sun50i_h6.h
@@ -9,6 +9,8 @@
#ifndef _SUNXI_DRAM_SUN50I_H6_H
#define _SUNXI_DRAM_SUN50I_H6_H
+#include <stdbool.h>
+
enum sunxi_dram_type {
SUNXI_DRAM_TYPE_DDR3 = 3,
SUNXI_DRAM_TYPE_DDR4,
@@ -16,6 +18,11 @@ enum sunxi_dram_type {
SUNXI_DRAM_TYPE_LPDDR3,
};
+static inline bool sunxi_dram_is_lpddr(int type)
+{
+ return type >= SUNXI_DRAM_TYPE_LPDDR2;
+}
+
/*
* The following information is mainly retrieved by disassembly and some FPGA
* test code of sun50iw3 platform.
@@ -286,6 +293,32 @@ check_member(sunxi_mctl_phy_reg, dx[3].reserved_0xf0, 0xaf0);
#define DCR_DDR3 (3 << 0)
#define DCR_DDR4 (4 << 0)
#define DCR_DDR8BANK BIT(3)
+#define DCR_DDR2T BIT(28)
+
+/*
+ * The delay parameters 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, DQS/DM/DQ Output Enable and DQSN */
+#define WR_LINES_PER_BYTE_LANE (BITS_PER_BYTE + 4)
+/*
+ * The eight data lines (DQn) plus DM, DQS, DQS/DM/DQ Output Enable, DQSN,
+ * Termination and Power down
+ */
+#define RD_LINES_PER_BYTE_LANE (BITS_PER_BYTE + 6)
+struct dram_para {
+ u32 clk;
+ enum sunxi_dram_type type;
+ u8 cols;
+ u8 rows;
+ u8 ranks;
+ const u8 dx_read_delays[NR_OF_BYTE_LANES][RD_LINES_PER_BYTE_LANE];
+ const u8 dx_write_delays[NR_OF_BYTE_LANES][WR_LINES_PER_BYTE_LANE];
+};
+
static inline int ns_to_t(int nanoseconds)
{
@@ -294,4 +327,6 @@ static inline int ns_to_t(int nanoseconds)
return DIV_ROUND_UP(ctrl_freq * nanoseconds, 1000);
}
+void mctl_set_timing_params(struct dram_para *para);
+
#endif /* _SUNXI_DRAM_SUN50I_H6_H */
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 1669e62..ffdf09f 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -300,6 +300,7 @@ config MACH_SUN50I_H6
select ARM64
select SUPPORT_SPL
select FIT
+ select PHY_SUN4I_USB
select SPL_LOAD_FIT
select DRAM_SUN50I_H6
@@ -340,7 +341,7 @@ config ARM_BOOT_HOOK_RMR
This allows both the SPL and the U-Boot proper to be entered in
either mode and switch to AArch64 if needed.
-if SUNXI_DRAM_DW
+if SUNXI_DRAM_DW || DRAM_SUN50I_H6
config SUNXI_DRAM_DDR3
bool
@@ -370,6 +371,22 @@ config SUNXI_DRAM_LPDDR3_STOCK
This option is the LPDDR3 timing used by the stock boot0 by
Allwinner.
+config SUNXI_DRAM_H6_LPDDR3
+ bool "LPDDR3 DRAM chips on the H6 DRAM controller"
+ select SUNXI_DRAM_LPDDR3
+ depends on DRAM_SUN50I_H6
+ ---help---
+ This option is the LPDDR3 timing used by the stock boot0 by
+ Allwinner.
+
+config SUNXI_DRAM_H6_DDR3_1333
+ bool "DDR3-1333 boot0 timings on the H6 DRAM controller"
+ select SUNXI_DRAM_DDR3
+ depends on DRAM_SUN50I_H6
+ ---help---
+ This option is the DDR3 timing used by the boot0 on H6 TV boxes
+ which use a DDR3-1333 timing.
+
config SUNXI_DRAM_DDR2_V3S
bool "DDR2 found in V3s chip"
select SUNXI_DRAM_DDR2
diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile
index 43a93e3..d129f33 100644
--- a/arch/arm/mach-sunxi/Makefile
+++ b/arch/arm/mach-sunxi/Makefile
@@ -39,4 +39,5 @@ obj-$(CONFIG_SPL_SPI_SUNXI) += spl_spi_sunxi.o
obj-$(CONFIG_SUNXI_DRAM_DW) += dram_sunxi_dw.o
obj-$(CONFIG_SUNXI_DRAM_DW) += dram_timings/
obj-$(CONFIG_DRAM_SUN50I_H6) += dram_sun50i_h6.o
+obj-$(CONFIG_DRAM_SUN50I_H6) += dram_timings/
endif
diff --git a/arch/arm/mach-sunxi/dram_sun50i_h6.c b/arch/arm/mach-sunxi/dram_sun50i_h6.c
index 5da90a2..2a8275d 100644
--- a/arch/arm/mach-sunxi/dram_sun50i_h6.c
+++ b/arch/arm/mach-sunxi/dram_sun50i_h6.c
@@ -32,33 +32,8 @@
* similar PHY is ZynqMP.
*/
-/*
- * 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, DQS/DM/DQ Output Enable and DQSN */
-#define WR_LINES_PER_BYTE_LANE (BITS_PER_BYTE + 4)
-/*
- * The eight data lines (DQn) plus DM, DQS, DQS/DM/DQ Output Enable, DQSN,
- * Termination and Power down
- */
-#define RD_LINES_PER_BYTE_LANE (BITS_PER_BYTE + 6)
-struct dram_para {
- u32 clk;
- enum sunxi_dram_type type;
- u8 cols;
- u8 rows;
- u8 ranks;
- const u8 dx_read_delays[NR_OF_BYTE_LANES][RD_LINES_PER_BYTE_LANE];
- const u8 dx_write_delays[NR_OF_BYTE_LANES][WR_LINES_PER_BYTE_LANE];
-};
-
static void mctl_sys_init(struct dram_para *para);
static void mctl_com_init(struct dram_para *para);
-static void mctl_set_timing_lpddr3(struct dram_para *para);
static void mctl_channel_init(struct dram_para *para);
static void mctl_core_init(struct dram_para *para)
@@ -67,7 +42,8 @@ static void mctl_core_init(struct dram_para *para)
mctl_com_init(para);
switch (para->type) {
case SUNXI_DRAM_TYPE_LPDDR3:
- mctl_set_timing_lpddr3(para);
+ case SUNXI_DRAM_TYPE_DDR3:
+ mctl_set_timing_params(para);
break;
default:
panic("Unsupported DRAM type!");
@@ -75,12 +51,14 @@ static void mctl_core_init(struct dram_para *para)
mctl_channel_init(para);
}
+/* PHY initialisation */
static void mctl_phy_pir_init(u32 val)
{
struct sunxi_mctl_phy_reg * const mctl_phy =
(struct sunxi_mctl_phy_reg *)SUNXI_DRAM_PHY0_BASE;
- writel(val | BIT(0), &mctl_phy->pir);
+ writel(val, &mctl_phy->pir);
+ writel(val | BIT(0), &mctl_phy->pir); /* Start initialisation. */
mctl_await_completion(&mctl_phy->pgsr[0], BIT(0), BIT(0));
}
@@ -169,125 +147,6 @@ static void mctl_set_master_priority(void)
MBUS_CONF(HDCP2, true, HIGH, 2, 100, 64, 32);
}
-static u32 mr_lpddr3[12] = {
- 0x00000000, 0x00000043, 0x0000001a, 0x00000001,
- 0x00000000, 0x00000000, 0x00000048, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000003,
-};
-
-/* TODO: flexible timing */
-static void mctl_set_timing_lpddr3(struct dram_para *para)
-{
- struct sunxi_mctl_ctl_reg * const mctl_ctl =
- (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE;
- struct sunxi_mctl_phy_reg * const mctl_phy =
- (struct sunxi_mctl_phy_reg *)SUNXI_DRAM_PHY0_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), 2);
- u8 trp = ns_to_t(18);
- u8 tras = ns_to_t(42);
- u8 twtr_sa = ns_to_t(5);
- u8 tcksrea = ns_to_t(11);
- u16 trefi = ns_to_t(3900) / 32;
- u16 trfc = ns_to_t(210);
- u16 txsr = ns_to_t(220);
-
- if (CONFIG_DRAM_CLK % 400 == 0) {
- /* Round up these parameters */
- twtr_sa++;
- tcksrea++;
- }
-
- u8 tmrw = 5;
- u8 tmrd = 5;
- u8 tmod = 12;
- u8 tcke = 3;
- u8 tcksrx = 5;
- u8 tcksre = 5;
- u8 tckesr = 5;
- u8 trasmax = CONFIG_DRAM_CLK / 60;
- u8 txs = 4;
- u8 txsdll = 4;
- u8 txsabort = 4;
- u8 txsfast = 4;
-
- u8 tcl = 5; /* CL 10 */
- u8 tcwl = 3; /* CWL 6 */
- u8 t_rdata_en = twtr_sa + 8;
-
- 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;
- /*
- * The code below for twr2rd and trd2wr follows the IP core's
- * document from ZynqMP and i.MX7. The BSP has both number
- * substracted by 2.
- */
- u8 twr2rd = tcwl + 4 + 1 + twtr;
- u8 trd2wr = tcl + 4 + (tcksrea >> 1) - tcwl + 1;
-
- /* set mode register */
- memcpy(mctl_phy->mr, mr_lpddr3, sizeof(mr_lpddr3));
-
- /* set DRAM timing */
- writel((twtp << 24) | (tfaw << 16) | (trasmax << 8) | tras,
- &mctl_ctl->dramtmg[0]);
- writel((txp << 16) | (trtp << 8) | trc, &mctl_ctl->dramtmg[1]);
- writel((tcwl << 24) | (tcl << 16) | (trd2wr << 8) | twr2rd,
- &mctl_ctl->dramtmg[2]);
- writel((tmrw << 20) | (tmrd << 12) | tmod, &mctl_ctl->dramtmg[3]);
- writel((trcd << 24) | (tccd << 16) | (trrd << 8) | trp,
- &mctl_ctl->dramtmg[4]);
- writel((tcksrx << 24) | (tcksre << 16) | (tckesr << 8) | tcke,
- &mctl_ctl->dramtmg[5]);
- /* Value suggested by ZynqMP manual and used by libdram */
- writel((txp + 2) | 0x02020000, &mctl_ctl->dramtmg[6]);
- writel((txsfast << 24) | (txsabort << 16) | (txsdll << 8) | txs,
- &mctl_ctl->dramtmg[8]);
- writel(txsr, &mctl_ctl->dramtmg[14]);
-
- clrsetbits_le32(&mctl_ctl->init[0], (3 << 30), (1 << 30));
- writel(0, &mctl_ctl->dfimisc);
- clrsetbits_le32(&mctl_ctl->rankctl, 0xff0, 0x660);
-
- /*
- * Set timing registers of the PHY.
- * Note: the PHY is clocked 2x from the DRAM frequency.
- */
- writel((trrd << 25) | (tras << 17) | (trp << 9) | (trtp << 1),
- &mctl_phy->dtpr[0]);
- writel((tfaw << 17) | 0x28000400 | (tmrd << 1), &mctl_phy->dtpr[1]);
- writel(((txs << 6) - 1) | (tcke << 17), &mctl_phy->dtpr[2]);
- writel(((txsdll << 22) - (0x1 << 16)) | twtr_sa | (tcksrea << 8),
- &mctl_phy->dtpr[3]);
- writel((txp << 1) | (trfc << 17) | 0x800, &mctl_phy->dtpr[4]);
- writel((trc << 17) | (trcd << 9) | (twtr << 1), &mctl_phy->dtpr[5]);
- writel(0x0505, &mctl_phy->dtpr[6]);
-
- /* Configure DFI timing */
- writel(tcl | 0x2000200 | (t_rdata_en << 16) | 0x808000,
- &mctl_ctl->dfitmg0);
- writel(0x040201, &mctl_ctl->dfitmg1);
-
- /* Configure PHY timing */
- writel(tdinit0 | (tdinit1 << 20), &mctl_phy->ptr[3]);
- writel(tdinit2 | (tdinit3 << 18), &mctl_phy->ptr[4]);
-
- /* set refresh timing */
- writel((trefi << 16) | trfc, &mctl_ctl->rfshtmg);
-}
-
static void mctl_sys_init(struct dram_para *para)
{
struct sunxi_ccm_reg * const ccm =
@@ -426,14 +285,11 @@ static void mctl_com_init(struct dram_para *para)
mctl_set_addrmap(para);
setbits_le32(&mctl_com->cr, BIT(31));
- /*
- * This address is magic; it's in SID memory area, but there's no
- * known definition of it.
- * On my Pine H64 board it has content 7.
- */
- if (readl(0x03006100) == 7)
+
+ /* The bonding ID seems to be always 7. */
+ if (readl(SUNXI_SIDC_BASE + 0x100) == 7) /* bonding ID */
clrbits_le32(&mctl_com->cr, BIT(27));
- else if (readl(0x03006100) == 3)
+ else if (readl(SUNXI_SIDC_BASE + 0x100) == 3)
setbits_le32(&mctl_com->cr, BIT(27));
if (para->clk > 408)
@@ -444,22 +300,37 @@ static void mctl_com_init(struct dram_para *para)
reg_val = 0x3f00;
clrsetbits_le32(&mctl_com->unk_0x008, 0x3f00, reg_val);
- /* TODO: half DQ, non-LPDDR3 types */
- writel(MSTR_DEVICETYPE_LPDDR3 | MSTR_BUSWIDTH_FULL |
- MSTR_BURST_LENGTH(8) | MSTR_ACTIVE_RANKS(para->ranks) |
- 0x80000000, &mctl_ctl->mstr);
- writel(DCR_LPDDR3 | DCR_DDR8BANK | 0x400, &mctl_phy->dcr);
+ /* TODO: half DQ, DDR4 */
+ reg_val = MSTR_BUSWIDTH_FULL | MSTR_BURST_LENGTH(8) |
+ MSTR_ACTIVE_RANKS(para->ranks);
+ if (para->type == SUNXI_DRAM_TYPE_LPDDR3)
+ reg_val |= MSTR_DEVICETYPE_LPDDR3;
+ if (para->type == SUNXI_DRAM_TYPE_DDR3)
+ reg_val |= MSTR_DEVICETYPE_DDR3 | MSTR_2TMODE;
+ writel(reg_val | BIT(31), &mctl_ctl->mstr);
+
+ if (para->type == SUNXI_DRAM_TYPE_LPDDR3)
+ reg_val = DCR_LPDDR3 | DCR_DDR8BANK;
+ if (para->type == SUNXI_DRAM_TYPE_DDR3)
+ reg_val = DCR_DDR3 | DCR_DDR8BANK | DCR_DDR2T;
+ writel(reg_val | 0x400, &mctl_phy->dcr);
if (para->ranks == 2)
writel(0x0303, &mctl_ctl->odtmap);
else
writel(0x0201, &mctl_ctl->odtmap);
- /* TODO: non-LPDDR3 types */
- tmp = para->clk * 7 / 2000;
- reg_val = 0x0400;
- reg_val |= (tmp + 7) << 24;
- reg_val |= (((para->clk < 400) ? 3 : 4) - tmp) << 16;
+ /* TODO: DDR4 */
+ if (para->type == SUNXI_DRAM_TYPE_LPDDR3) {
+ tmp = para->clk * 7 / 2000;
+ reg_val = 0x0400;
+ reg_val |= (tmp + 7) << 24;
+ reg_val |= (((para->clk < 400) ? 3 : 4) - tmp) << 16;
+ } else if (para->type == SUNXI_DRAM_TYPE_DDR3) {
+ reg_val = 0x06000400; /* TODO?: Use CL - CWL value in [7:0] */
+ } else {
+ panic("Only (LP)DDR3 supported (type = %d)\n", para->type);
+ }
writel(reg_val, &mctl_ctl->odtcfg);
/* TODO: half DQ */
@@ -514,6 +385,9 @@ static void mctl_bit_delay_set(struct dram_para *para)
setbits_le32(&mctl_phy->pgcr[0], BIT(26));
udelay(1);
+ if (para->type != SUNXI_DRAM_TYPE_LPDDR3)
+ return;
+
for (i = 1; i < 14; i++) {
val = readl(&mctl_phy->acbdlr[i]);
val += 0x0a0a0a0a;
@@ -561,7 +435,8 @@ static void mctl_channel_init(struct dram_para *para)
else
clrsetbits_le32(&mctl_phy->dtcr[1], 0x30000, 0x10000);
- clrbits_le32(&mctl_phy->dtcr[1], BIT(1));
+ if (sunxi_dram_is_lpddr(para->type))
+ clrbits_le32(&mctl_phy->dtcr[1], BIT(1));
if (para->ranks == 2) {
writel(0x00010001, &mctl_phy->rankidr);
writel(0x20000, &mctl_phy->odtcr);
@@ -570,8 +445,11 @@ static void mctl_channel_init(struct dram_para *para)
writel(0x10000, &mctl_phy->odtcr);
}
- /* TODO: non-LPDDR3 types */
- clrsetbits_le32(&mctl_phy->dtcr[0], 0xF0000000, 0x10000040);
+ /* set bits [3:0] to 1? 0 not valid in ZynqMP d/s */
+ if (para->type == SUNXI_DRAM_TYPE_LPDDR3)
+ clrsetbits_le32(&mctl_phy->dtcr[0], 0xF0000000, 0x10000040);
+ else
+ clrsetbits_le32(&mctl_phy->dtcr[0], 0xF0000000, 0x10000000);
if (para->clk <= 792) {
if (para->clk <= 672) {
if (para->clk <= 600)
@@ -601,12 +479,13 @@ static void mctl_channel_init(struct dram_para *para)
writel(0x06060606, &mctl_phy->acbdlr[i]);
}
- /* TODO: non-LPDDR3 types */
- mctl_phy_pir_init(PIR_ZCAL | PIR_DCAL | PIR_PHYRST | PIR_DRAMINIT |
- PIR_QSGATE | PIR_RDDSKW | PIR_WRDSKW | PIR_RDEYE |
- PIR_WREYE);
+ val = PIR_ZCAL | PIR_DCAL | PIR_PHYRST | PIR_DRAMINIT | PIR_QSGATE |
+ PIR_RDDSKW | PIR_WRDSKW | PIR_RDEYE | PIR_WREYE;
+ if (para->type == SUNXI_DRAM_TYPE_DDR3)
+ val |= PIR_DRAMRST | PIR_WL;
+ mctl_phy_pir_init(val);
- /* TODO: non-LPDDR3 types */
+ /* TODO: DDR4 types ? */
for (i = 0; i < 4; i++)
writel(0x00000909, &mctl_phy->dx[i].gcr[5]);
@@ -662,7 +541,8 @@ static void mctl_channel_init(struct dram_para *para)
panic("Error while initializing DRAM PHY!\n");
}
- clrsetbits_le32(&mctl_phy->dsgcr, 0xc0, 0x40);
+ if (sunxi_dram_is_lpddr(para->type))
+ clrsetbits_le32(&mctl_phy->dsgcr, 0xc0, 0x40);
clrbits_le32(&mctl_phy->pgcr[1], 0x40);
clrbits_le32(&mctl_ctl->dfimisc, BIT(0));
writel(1, &mctl_ctl->swctl);
@@ -714,29 +594,46 @@ unsigned long mctl_calc_size(struct dram_para *para)
return (1ULL << (para->cols + para->rows + 3)) * 4 * para->ranks;
}
-#define SUN50I_H6_DX_WRITE_DELAYS \
+#define SUN50I_H6_LPDDR3_DX_WRITE_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, 0, 0, 4, 4, 0 }, \
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}
-#define SUN50I_H6_DX_READ_DELAYS \
+#define SUN50I_H6_LPDDR3_DX_READ_DELAYS \
{{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0 }, \
{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0 }, \
{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0 }, \
{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0 }}
+#define SUN50I_H6_DDR3_DX_WRITE_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, 0, 0, 0, 0, 0 }, \
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}
+#define SUN50I_H6_DDR3_DX_READ_DELAYS \
+ {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, \
+ { 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 dram_para para = {
.clk = CONFIG_DRAM_CLK,
- .type = SUNXI_DRAM_TYPE_LPDDR3,
.ranks = 2,
.cols = 11,
.rows = 14,
- .dx_read_delays = SUN50I_H6_DX_READ_DELAYS,
- .dx_write_delays = SUN50I_H6_DX_WRITE_DELAYS,
+#ifdef CONFIG_SUNXI_DRAM_H6_LPDDR3
+ .type = SUNXI_DRAM_TYPE_LPDDR3,
+ .dx_read_delays = SUN50I_H6_LPDDR3_DX_READ_DELAYS,
+ .dx_write_delays = SUN50I_H6_LPDDR3_DX_WRITE_DELAYS,
+#elif defined(CONFIG_SUNXI_DRAM_H6_DDR3_1333)
+ .type = SUNXI_DRAM_TYPE_DDR3,
+ .dx_read_delays = SUN50I_H6_DDR3_DX_READ_DELAYS,
+ .dx_write_delays = SUN50I_H6_DDR3_DX_WRITE_DELAYS,
+#endif
};
unsigned long size;
diff --git a/arch/arm/mach-sunxi/dram_timings/Makefile b/arch/arm/mach-sunxi/dram_timings/Makefile
index 278a8a1..0deb991 100644
--- a/arch/arm/mach-sunxi/dram_timings/Makefile
+++ b/arch/arm/mach-sunxi/dram_timings/Makefile
@@ -1,3 +1,5 @@
obj-$(CONFIG_SUNXI_DRAM_DDR3_1333) += ddr3_1333.o
obj-$(CONFIG_SUNXI_DRAM_LPDDR3_STOCK) += lpddr3_stock.o
obj-$(CONFIG_SUNXI_DRAM_DDR2_V3S) += ddr2_v3s.o
+obj-$(CONFIG_SUNXI_DRAM_H6_LPDDR3) += h6_lpddr3.o
+obj-$(CONFIG_SUNXI_DRAM_H6_DDR3_1333) += h6_ddr3_1333.o
diff --git a/arch/arm/mach-sunxi/dram_timings/h6_ddr3_1333.c b/arch/arm/mach-sunxi/dram_timings/h6_ddr3_1333.c
new file mode 100644
index 0000000..611eaa3
--- /dev/null
+++ b/arch/arm/mach-sunxi/dram_timings/h6_ddr3_1333.c
@@ -0,0 +1,144 @@
+/*
+ * sun50i H6 DDR3-1333 timings, as programmed by Allwinner's boot0
+ * for some TV boxes with the H6 and DDR3 memory.
+ *
+ * The chips are probably able to be driven by a faster clock, but boot0
+ * uses a more conservative timing (as usual).
+ *
+ * (C) Copyright 2018,2019 Arm Ltd.
+ * based on previous work by:
+ * (C) Copyright 2017 Icenowy Zheng <icenowy@aosc.io>
+ *
+ * References used:
+ * - JEDEC DDR3 SDRAM standard: JESD79-3F.pdf
+ * - Samsung K4B2G0446D datasheet
+ * - ZynqMP UG1087 register DDRC/PHY documentation
+ *
+ * Many thanks to Jernej Skrabec for contributing some fixes!
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/dram.h>
+#include <asm/arch/cpu.h>
+
+/*
+ * Only the first four are used for DDR3(?)
+ * MR0: BL8, seq. read burst, no test, fast exit (DLL on), no DLL reset,
+ * CAS latency (CL): 11, write recovery (WR): 12
+ * MR1: DLL enabled, output strength RZQ/6, Rtt_norm RZQ/2,
+ * write levelling disabled, TDQS disabled, output buffer enabled
+ * MR2: manual full array self refresh, dynamic ODT off,
+ * CAS write latency (CWL): 8
+ */
+static u32 mr_ddr3[7] = {
+ 0x00001c70, 0x00000040, 0x00000018, 0x00000000,
+ 0x00000000, 0x00000400, 0x00000848,
+};
+
+/* TODO: flexible timing */
+void mctl_set_timing_params(struct dram_para *para)
+{
+ struct sunxi_mctl_ctl_reg * const mctl_ctl =
+ (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE;
+ struct sunxi_mctl_phy_reg * const mctl_phy =
+ (struct sunxi_mctl_phy_reg *)SUNXI_DRAM_PHY0_BASE;
+ int i;
+
+ u8 tccd = 2; /* JEDEC: 4nCK */
+ u8 tfaw = ns_to_t(50); /* JEDEC: 30 ns w/ 1K pages */
+ u8 trrd = max(ns_to_t(6), 4); /* JEDEC: max(6 ns, 4nCK) */
+ u8 trcd = ns_to_t(15); /* JEDEC: 13.5 ns */
+ u8 trc = ns_to_t(53); /* JEDEC: 49.5 ns */
+ u8 txp = max(ns_to_t(6), 3); /* JEDEC: max(6 ns, 3nCK) */
+ u8 twtr = max(ns_to_t(8), 2); /* JEDEC: max(7.5 ns, 4nCK) */
+ u8 trtp = max(ns_to_t(8), 2); /* JEDEC: max(7.5 ns, 4nCK) */
+ u8 twr = ns_to_t(15); /* JEDEC: 15 ns */
+ u8 trp = ns_to_t(15); /* JEDEC: >= 13.75 ns */
+ u8 tras = ns_to_t(38); /* JEDEC >= 36 ns, <= 9*trefi */
+ u8 twtr_sa = 2; /* ? */
+ u8 tcksrea = 4; /* ? */
+ u16 trefi = ns_to_t(7800) / 32; /* JEDEC: 7.8us@Tcase <= 85C */
+ u16 trfc = ns_to_t(350); /* JEDEC: 160 ns for 2Gb */
+ u16 txsr = 4; /* ? */
+
+ u8 tmrw = 0; /* ? */
+ u8 tmrd = 4; /* JEDEC: 4nCK */
+ u8 tmod = max(ns_to_t(15), 12); /* JEDEC: max(15 ns, 12nCK) */
+ u8 tcke = max(ns_to_t(6), 3); /* JEDEC: max(5.625 ns, 3nCK) */
+ u8 tcksrx = max(ns_to_t(10), 5); /* JEDEC: max(10 ns, 5nCK) */
+ u8 tcksre = max(ns_to_t(10), 5); /* JEDEC: max(10 ns, 5nCK) */
+ u8 tckesr = tcke + 1; /* JEDEC: tCKE(min) + 1nCK */
+ u8 trasmax = 24; /* JEDEC: tREFI * 9 */
+ u8 txs = ns_to_t(360) / 32; /* JEDEC: max(5nCK,tRFC+10ns) */
+ u8 txsdll = 4; /* JEDEC: 512 nCK */
+ u8 txsabort = 4; /* ? */
+ u8 txsfast = 4; /* ? */
+ u8 tcl = 6; /* JEDEC: CL / 2 => 6 */
+ u8 tcwl = 4; /* JEDEC: 8 */
+ u8 t_rdata_en = 7; /* ? */
+
+ u32 tdinit0 = (500 * CONFIG_DRAM_CLK) + 1; /* 500us */
+ u32 tdinit1 = (360 * CONFIG_DRAM_CLK) / 1000 + 1;
+ u32 tdinit2 = (200 * CONFIG_DRAM_CLK) + 1;
+ u32 tdinit3 = (1 * CONFIG_DRAM_CLK) + 1; /* 1us */
+
+ u8 twtp = tcwl + 2 + twr; /* (WL + BL / 2 + tWR) / 2 */
+ u8 twr2rd = tcwl + 2 + twtr; /* (WL + BL / 2 + tWTR) / 2 */
+ u8 trd2wr = 5; /* (RL + BL / 2 + 2 - WL) / 2 */
+
+ if (tcl + 1 >= trtp + trp)
+ trtp = tcl + 2 - trp;
+
+ /* set mode registers */
+ for (i = 0; i < ARRAY_SIZE(mr_ddr3); i++)
+ writel(mr_ddr3[i], &mctl_phy->mr[i]);
+
+ /* set DRAM timing */
+ writel((twtp << 24) | (tfaw << 16) | (trasmax << 8) | tras,
+ &mctl_ctl->dramtmg[0]);
+ writel((txp << 16) | (trtp << 8) | trc, &mctl_ctl->dramtmg[1]);
+ writel((tcwl << 24) | (tcl << 16) | (trd2wr << 8) | twr2rd,
+ &mctl_ctl->dramtmg[2]);
+ writel((tmrw << 20) | (tmrd << 12) | tmod, &mctl_ctl->dramtmg[3]);
+ writel((trcd << 24) | (tccd << 16) | (trrd << 8) | trp,
+ &mctl_ctl->dramtmg[4]);
+ writel((tcksrx << 24) | (tcksre << 16) | (tckesr << 8) | tcke,
+ &mctl_ctl->dramtmg[5]);
+ /* Value suggested by ZynqMP manual and used by libdram */
+ writel((txp + 2) | 0x02020000, &mctl_ctl->dramtmg[6]);
+ writel((txsfast << 24) | (txsabort << 16) | (txsdll << 8) | txs,
+ &mctl_ctl->dramtmg[8]);
+ writel(txsr, &mctl_ctl->dramtmg[14]);
+
+ clrsetbits_le32(&mctl_ctl->init[0], (3 << 30), (1 << 30));
+ writel(0, &mctl_ctl->dfimisc);
+ clrsetbits_le32(&mctl_ctl->rankctl, 0xff0, 0x660);
+
+ /*
+ * Set timing registers of the PHY.
+ * Note: the PHY is clocked 2x from the DRAM frequency.
+ */
+ writel((trrd << 25) | (tras << 17) | (trp << 9) | (trtp << 1),
+ &mctl_phy->dtpr[0]);
+ writel((tfaw << 17) | 0x28000400 | (tmrd << 1), &mctl_phy->dtpr[1]);
+ writel(((txs << 6) - 1) | (tcke << 17), &mctl_phy->dtpr[2]);
+ writel(((txsdll << 22) - (0x1 << 16)) | twtr_sa | (tcksrea << 8),
+ &mctl_phy->dtpr[3]);
+ writel((txp << 1) | (trfc << 17) | 0x800, &mctl_phy->dtpr[4]);
+ writel((trc << 17) | (trcd << 9) | (twtr << 1), &mctl_phy->dtpr[5]);
+ writel(0x0505, &mctl_phy->dtpr[6]);
+
+ /* Configure DFI timing */
+ writel(tcl | 0x2000200 | (t_rdata_en << 16) | 0x808000,
+ &mctl_ctl->dfitmg0);
+ writel(0x040201, &mctl_ctl->dfitmg1);
+
+ /* Configure PHY timing. Zynq uses different registers. */
+ writel(tdinit0 | (tdinit1 << 20), &mctl_phy->ptr[3]);
+ writel(tdinit2 | (tdinit3 << 18), &mctl_phy->ptr[4]);
+
+ /* set refresh timing */
+ writel((trefi << 16) | trfc, &mctl_ctl->rfshtmg);
+}
diff --git a/arch/arm/mach-sunxi/dram_timings/h6_lpddr3.c b/arch/arm/mach-sunxi/dram_timings/h6_lpddr3.c
new file mode 100644
index 0000000..1000860
--- /dev/null
+++ b/arch/arm/mach-sunxi/dram_timings/h6_lpddr3.c
@@ -0,0 +1,132 @@
+/*
+ * sun50i H6 LPDDR3 timings
+ *
+ * (C) Copyright 2017 Icenowy Zheng <icenowy@aosc.io>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/dram.h>
+#include <asm/arch/cpu.h>
+
+static u32 mr_lpddr3[12] = {
+ 0x00000000, 0x00000043, 0x0000001a, 0x00000001,
+ 0x00000000, 0x00000000, 0x00000048, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000003,
+};
+
+/* TODO: flexible timing */
+void mctl_set_timing_params(struct dram_para *para)
+{
+ struct sunxi_mctl_ctl_reg * const mctl_ctl =
+ (struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE;
+ struct sunxi_mctl_phy_reg * const mctl_phy =
+ (struct sunxi_mctl_phy_reg *)SUNXI_DRAM_PHY0_BASE;
+ int i;
+
+ 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), 2);
+ u8 trp = ns_to_t(18);
+ u8 tras = ns_to_t(42);
+ u8 twtr_sa = ns_to_t(5);
+ u8 tcksrea = ns_to_t(11);
+ u16 trefi = ns_to_t(3900) / 32;
+ u16 trfc = ns_to_t(210);
+ u16 txsr = ns_to_t(220);
+
+ if (CONFIG_DRAM_CLK % 400 == 0) {
+ /* Round up these parameters */
+ twtr_sa++;
+ tcksrea++;
+ }
+
+ u8 tmrw = 5;
+ u8 tmrd = 5;
+ u8 tmod = 12;
+ u8 tcke = 3;
+ u8 tcksrx = 5;
+ u8 tcksre = 5;
+ u8 tckesr = 5;
+ u8 trasmax = CONFIG_DRAM_CLK / 60;
+ u8 txs = 4;
+ u8 txsdll = 4;
+ u8 txsabort = 4;
+ u8 txsfast = 4;
+
+ u8 tcl = 5; /* CL 10 */
+ u8 tcwl = 3; /* CWL 6 */
+ u8 t_rdata_en = twtr_sa + 8;
+
+ 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;
+ /*
+ * The code below for twr2rd and trd2wr follows the IP core's
+ * document from ZynqMP and i.MX7. The BSP has both number
+ * substracted by 2.
+ */
+ u8 twr2rd = tcwl + 4 + 1 + twtr;
+ u8 trd2wr = tcl + 4 + (tcksrea >> 1) - tcwl + 1;
+
+ /* set mode registers */
+ for (i = 0; i < ARRAY_SIZE(mr_lpddr3); i++)
+ writel(mr_lpddr3[i], &mctl_phy->mr[i]);
+
+ /* set DRAM timing */
+ writel((twtp << 24) | (tfaw << 16) | (trasmax << 8) | tras,
+ &mctl_ctl->dramtmg[0]);
+ writel((txp << 16) | (trtp << 8) | trc, &mctl_ctl->dramtmg[1]);
+ writel((tcwl << 24) | (tcl << 16) | (trd2wr << 8) | twr2rd,
+ &mctl_ctl->dramtmg[2]);
+ writel((tmrw << 20) | (tmrd << 12) | tmod, &mctl_ctl->dramtmg[3]);
+ writel((trcd << 24) | (tccd << 16) | (trrd << 8) | trp,
+ &mctl_ctl->dramtmg[4]);
+ writel((tcksrx << 24) | (tcksre << 16) | (tckesr << 8) | tcke,
+ &mctl_ctl->dramtmg[5]);
+ /* Value suggested by ZynqMP manual and used by libdram */
+ writel((txp + 2) | 0x02020000, &mctl_ctl->dramtmg[6]);
+ writel((txsfast << 24) | (txsabort << 16) | (txsdll << 8) | txs,
+ &mctl_ctl->dramtmg[8]);
+ writel(txsr, &mctl_ctl->dramtmg[14]);
+
+ clrsetbits_le32(&mctl_ctl->init[0], (3 << 30), (1 << 30));
+ writel(0, &mctl_ctl->dfimisc);
+ clrsetbits_le32(&mctl_ctl->rankctl, 0xff0, 0x660);
+
+ /*
+ * Set timing registers of the PHY.
+ * Note: the PHY is clocked 2x from the DRAM frequency.
+ */
+ writel((trrd << 25) | (tras << 17) | (trp << 9) | (trtp << 1),
+ &mctl_phy->dtpr[0]);
+ writel((tfaw << 17) | 0x28000400 | (tmrd << 1), &mctl_phy->dtpr[1]);
+ writel(((txs << 6) - 1) | (tcke << 17), &mctl_phy->dtpr[2]);
+ writel(((txsdll << 22) - (0x1 << 16)) | twtr_sa | (tcksrea << 8),
+ &mctl_phy->dtpr[3]);
+ writel((txp << 1) | (trfc << 17) | 0x800, &mctl_phy->dtpr[4]);
+ writel((trc << 17) | (trcd << 9) | (twtr << 1), &mctl_phy->dtpr[5]);
+ writel(0x0505, &mctl_phy->dtpr[6]);
+
+ /* Configure DFI timing */
+ writel(tcl | 0x2000200 | (t_rdata_en << 16) | 0x808000,
+ &mctl_ctl->dfitmg0);
+ writel(0x040201, &mctl_ctl->dfitmg1);
+
+ /* Configure PHY timing */
+ writel(tdinit0 | (tdinit1 << 20), &mctl_phy->ptr[3]);
+ writel(tdinit2 | (tdinit3 << 18), &mctl_phy->ptr[4]);
+
+ /* set refresh timing */
+ writel((trefi << 16) | trfc, &mctl_ctl->rfshtmg);
+}
generated by cgit v1.1 at 2024-07-10 13:23:27 +0000