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Diffstat (limited to 'arch/arm/boards/nxp-imx8mq-evk/ddr_init.c')
-rw-r--r--arch/arm/boards/nxp-imx8mq-evk/ddr_init.c223
1 files changed, 223 insertions, 0 deletions
diff --git a/arch/arm/boards/nxp-imx8mq-evk/ddr_init.c b/arch/arm/boards/nxp-imx8mq-evk/ddr_init.c
new file mode 100644
index 0000000000..81691b2fae
--- /dev/null
+++ b/arch/arm/boards/nxp-imx8mq-evk/ddr_init.c
@@ -0,0 +1,223 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ * Generated code from MX8_DDR_tool
+ */
+
+#include "ddr.h"
+
+void ddr_cfg_phy(void);
+void ddr_init(void)
+{
+ volatile unsigned int tmp, tmp_t;
+
+ /** Initialize DDR clock and DDRC registers **/
+ reg32_write(0x3038a088,0x7070000);
+ reg32_write(0x3038a084,0x4030000);
+ reg32_write(0x303a00ec,0xffff);
+ tmp=reg32_read(0x303a00f8);
+ tmp |= 0x20;
+ reg32_write(0x303a00f8,tmp);
+ reg32_write(0x30391000,0x8f000000);
+ reg32_write(0x30391004,0x8f000000);
+ reg32_write(0x30360068,0xbbe580);
+ tmp=reg32_read(0x30360060);
+ tmp &= ~0x80;
+ reg32_write(0x30360060,tmp);
+ tmp=reg32_read(0x30360060);
+ tmp |= 0x200;
+ reg32_write(0x30360060,tmp);
+ tmp=reg32_read(0x30360060);
+ tmp &= ~0x20;
+ reg32_write(0x30360060,tmp);
+ tmp=reg32_read(0x30360060);
+ tmp &= ~0x10;
+ reg32_write(0x30360060,tmp);
+ do{
+ tmp=reg32_read(0x30360060);
+ if(tmp&0x80000000) break;
+ }while(1);
+ reg32_write(0x30391000,0x8f000006);
+ reg32_write(0x3d400304,0x1);
+ reg32_write(0x3d400030,0x1);
+ reg32_write(0x3d400000,0x83080020);
+ reg32_write(0x3d400064,0x6100e0);
+ reg32_write(0x3d4000d0,0xc003061c);
+ reg32_write(0x3d4000d4,0x9e0000);
+ reg32_write(0x3d4000dc,0xd4002d);
+ reg32_write(0x3d4000e0,0x310008);
+ reg32_write(0x3d4000e8,0x46004d);
+ reg32_write(0x3d4000ec,0x15004d);
+ reg32_write(0x3d4000f4,0x639);
+ reg32_write(0x3d400100,0x1a201b22);
+ reg32_write(0x3d400104,0x60633);
+ reg32_write(0x3d400108,0x70e1214);
+ reg32_write(0x3d40010c,0xc0c000);
+ reg32_write(0x3d400110,0xf04080f);
+ reg32_write(0x3d400114,0x2040c0c);
+ reg32_write(0x3d400118,0x1010007);
+ reg32_write(0x3d40011c,0x401);
+ reg32_write(0x3d400130,0x20600);
+ reg32_write(0x3d400134,0xc100002);
+ reg32_write(0x3d400138,0xe6);
+ reg32_write(0x3d400144,0xa00050);
+ reg32_write(0x3d400180,0x3200018);
+ reg32_write(0x3d400184,0x28061a8);
+ reg32_write(0x3d400190,0x497820a);
+ reg32_write(0x3d400194,0x80303);
+ reg32_write(0x3d4001b4,0x170a);
+ reg32_write(0x3d4001b0,0x11);
+ reg32_write(0x3d4001a0,0xe0400018);
+ reg32_write(0x3d4001a4,0xdf00e4);
+ reg32_write(0x3d4001a8,0x0);
+ reg32_write(0x3d4001c0,0x1);
+ reg32_write(0x3d4001c4,0x1);
+ reg32_write(0x3d400200,0x15);
+ reg32_write(0x3d40020c,0x0);
+ reg32_write(0x3d400210,0x1f1f);
+ reg32_write(0x3d400204,0x80808);
+ reg32_write(0x3d400214,0x7070707);
+ reg32_write(0x3d400218,0x48080707);
+ reg32_write(0x3d400244,0x0);
+ reg32_write(0x3d400490,0x1);
+ reg32_write(0x3d400250,0x29001f01);
+ reg32_write(0x3d400254,0x2c);
+ reg32_write(0x3d400264,0x900093e7);
+ reg32_write(0x3d40026c,0x2005574);
+ reg32_write(0x3d400400,0x400);
+ reg32_write(0x3d400408,0x72ff);
+ reg32_write(0x3d400494,0x10e00);
+ reg32_write(0x3d400498,0x620096);
+ reg32_write(0x3d40049c,0x10e00);
+ reg32_write(0x3d4004a0,0x12c);
+ reg32_write(0x30391000,0x8f000004);
+ reg32_write(0x30391000,0x8f000000);
+ reg32_write(0x3d400304,0x0);
+ reg32_write(0x3d400030,0xa8);
+ reg32_write(0x3d400320,0x0);
+ reg32_write(0x3d000000,0x1);
+ reg32_write(0x3d4001b0,0x10);
+ reg32_write(0x3d402100,0xa040305);
+ reg32_write(0x3d402104,0x30407);
+ reg32_write(0x3d402108,0x203060b);
+ reg32_write(0x3d40210c,0x505000);
+ reg32_write(0x3d402110,0x2040202);
+ reg32_write(0x3d402114,0x2030202);
+ reg32_write(0x3d402118,0x1010004);
+ reg32_write(0x3d40211c,0x301);
+ reg32_write(0x3d402138,0x1d);
+ reg32_write(0x3d402144,0x14000a);
+ reg32_write(0x3d403024,0x30d400);
+ reg32_write(0x3d402050,0x20d040);
+ reg32_write(0x3d402190,0x3818200);
+ reg32_write(0x3d4021b4,0x100);
+ reg32_write(0x3d402064,0xc001c);
+ reg32_write(0x3d4020dc,0x840000);
+ reg32_write(0x3d4020e8,0x46004d);
+ reg32_write(0x3d4020ec,0x15004d);
+ reg32_write(0x3d4020e0,0x310000);
+ reg32_write(0x3d403100,0x6010102);
+ reg32_write(0x3d403104,0x30404);
+ reg32_write(0x3d403108,0x203060b);
+ reg32_write(0x3d40310c,0x505000);
+ reg32_write(0x3d403110,0x2040202);
+ reg32_write(0x3d403114,0x2030202);
+ reg32_write(0x3d403118,0x1010004);
+ reg32_write(0x3d40311c,0x301);
+ reg32_write(0x3d403138,0x8);
+ reg32_write(0x3d403144,0x50003);
+ reg32_write(0x3d403024,0xc3500);
+ reg32_write(0x3d403050,0x20d040);
+ reg32_write(0x3d403190,0x3818200);
+ reg32_write(0x3d4031b4,0x100);
+ reg32_write(0x3d403064,0x30007);
+ reg32_write(0x3d4030dc,0x840000);
+ reg32_write(0x3d4030e8,0x46004d);
+ reg32_write(0x3d4030ec,0x15004d);
+ reg32_write(0x3d4030e0,0x310000);
+ reg32_write(0x3c040280,0x0);
+ reg32_write(0x3c040284,0x1);
+ reg32_write(0x3c040288,0x2);
+ reg32_write(0x3c04028c,0x3);
+ reg32_write(0x3c040290,0x4);
+ reg32_write(0x3c040294,0x5);
+ reg32_write(0x3c040298,0x6);
+ reg32_write(0x3c04029c,0x7);
+ reg32_write(0x3c044280,0x0);
+ reg32_write(0x3c044284,0x1);
+ reg32_write(0x3c044288,0x2);
+ reg32_write(0x3c04428c,0x3);
+ reg32_write(0x3c044290,0x4);
+ reg32_write(0x3c044294,0x5);
+ reg32_write(0x3c044298,0x6);
+ reg32_write(0x3c04429c,0x7);
+ reg32_write(0x3c048280,0x0);
+ reg32_write(0x3c048284,0x1);
+ reg32_write(0x3c048288,0x2);
+ reg32_write(0x3c04828c,0x3);
+ reg32_write(0x3c048290,0x4);
+ reg32_write(0x3c048294,0x5);
+ reg32_write(0x3c048298,0x6);
+ reg32_write(0x3c04829c,0x7);
+ reg32_write(0x3c04c280,0x0);
+ reg32_write(0x3c04c284,0x1);
+ reg32_write(0x3c04c288,0x2);
+ reg32_write(0x3c04c28c,0x3);
+ reg32_write(0x3c04c290,0x4);
+ reg32_write(0x3c04c294,0x5);
+ reg32_write(0x3c04c298,0x6);
+ reg32_write(0x3c04c29c,0x7);
+
+ /* Configure DDR PHY's registers */
+ ddr_cfg_phy();
+
+ reg32_write(DDRC_RFSHCTL3(0), 0x00000000);
+ reg32_write(DDRC_SWCTL(0), 0x0000);
+ /*
+ * ------------------- 9 -------------------
+ * Set DFIMISC.dfi_init_start to 1
+ * -----------------------------------------
+ */
+ reg32_write(DDRC_DFIMISC(0), 0x00000030);
+ reg32_write(DDRC_SWCTL(0), 0x0001);
+
+ /* wait DFISTAT.dfi_init_complete to 1 */
+ tmp_t = 0;
+ while(tmp_t==0){
+ tmp = reg32_read(DDRC_DFISTAT(0));
+ tmp_t = tmp & 0x01;
+ tmp = reg32_read(DDRC_MRSTAT(0));
+ }
+
+ reg32_write(DDRC_SWCTL(0), 0x0000);
+
+ /* clear DFIMISC.dfi_init_complete_en */
+ reg32_write(DDRC_DFIMISC(0), 0x00000010);
+ reg32_write(DDRC_DFIMISC(0), 0x00000011);
+ reg32_write(DDRC_PWRCTL(0), 0x00000088);
+
+ tmp = reg32_read(DDRC_CRCPARSTAT(0));
+ /*
+ * set SWCTL.sw_done to enable quasi-dynamic register
+ * programming outside reset.
+ */
+ reg32_write(DDRC_SWCTL(0), 0x00000001);
+
+ /* wait SWSTAT.sw_done_ack to 1 */
+ while((reg32_read(DDRC_SWSTAT(0)) & 0x1) == 0)
+ ;
+
+ /* wait STAT.operating_mode([1:0] for ddr3) to normal state */
+ while ((reg32_read(DDRC_STAT(0)) & 0x3) != 0x1)
+ ;
+
+ reg32_write(DDRC_PWRCTL(0), 0x00000088);
+ /* reg32_write(DDRC_PWRCTL(0), 0x018a); */
+ tmp = reg32_read(DDRC_CRCPARSTAT(0));
+
+ /* enable port 0 */
+ reg32_write(DDRC_PCTRL_0(0), 0x00000001);
+ tmp = reg32_read(DDRC_CRCPARSTAT(0));
+ reg32_write(DDRC_RFSHCTL3(0), 0x00000000);
+} \ No newline at end of file