Merge branch 'master' of git://www.denx.de/git/u-boot-socfpga
[oweals/u-boot.git] / board / gateworks / gw_ventana / gw_ventana_spl.c
index 97128127fbe741f2393faeba06d1c4ff40a23238..0c0fee3196250607db56a16821e7c9c90c44b48d 100644 (file)
@@ -188,7 +188,21 @@ struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = {
        .grp_b7ds = 0x00000030,
 };
 
-/* MT41K128M16JT-125 */
+/* MT41K64M16JT-125 (1Gb density) */
+static struct mx6_ddr3_cfg mt41k64m16jt_125 = {
+       .mem_speed = 1600,
+       .density = 1,
+       .width = 16,
+       .banks = 8,
+       .rowaddr = 13,
+       .coladdr = 10,
+       .pagesz = 2,
+       .trcd = 1375,
+       .trcmin = 4875,
+       .trasmin = 3500,
+};
+
+/* MT41K128M16JT-125 (2Gb density) */
 static struct mx6_ddr3_cfg mt41k128m16jt_125 = {
        .mem_speed = 1600,
        .density = 2,
@@ -202,7 +216,7 @@ static struct mx6_ddr3_cfg mt41k128m16jt_125 = {
        .trasmin = 3500,
 };
 
-/* MT41K256M16HA-125 */
+/* MT41K256M16HA-125 (4Gb density) */
 static struct mx6_ddr3_cfg mt41k256m16ha_125 = {
        .mem_speed = 1600,
        .density = 4,
@@ -219,6 +233,44 @@ static struct mx6_ddr3_cfg mt41k256m16ha_125 = {
 /*
  * calibration - these are the various CPU/DDR3 combinations we support
  */
+static struct mx6_mmdc_calibration mx6sdl_64x16_mmdc_calib = {
+       /* write leveling calibration determine */
+       .p0_mpwldectrl0 = 0x004C004E,
+       .p0_mpwldectrl1 = 0x00440044,
+       /* Read DQS Gating calibration */
+       .p0_mpdgctrl0 = 0x42440247,
+       .p0_mpdgctrl1 = 0x02310232,
+       /* Read Calibration: DQS delay relative to DQ read access */
+       .p0_mprddlctl = 0x45424746,
+       /* Write Calibration: DQ/DM delay relative to DQS write access */
+       .p0_mpwrdlctl = 0x33382C31,
+};
+
+static struct mx6_mmdc_calibration mx6dq_256x16_mmdc_calib = {
+       /* write leveling calibration determine */
+       .p0_mpwldectrl0 = 0x001B0016,
+       .p0_mpwldectrl1 = 0x000C000E,
+       /* Read DQS Gating calibration */
+       .p0_mpdgctrl0 = 0x4324033A,
+       .p0_mpdgctrl1 = 0x00000000,
+       /* Read Calibration: DQS delay relative to DQ read access */
+       .p0_mprddlctl = 0x40403438,
+       /* Write Calibration: DQ/DM delay relative to DQS write access */
+       .p0_mpwrdlctl = 0x40403D36,
+};
+
+static struct mx6_mmdc_calibration mx6sdl_256x16_mmdc_calib = {
+       /* write leveling calibration determine */
+       .p0_mpwldectrl0 = 0x00420043,
+       .p0_mpwldectrl1 = 0x0016001A,
+       /* Read DQS Gating calibration */
+       .p0_mpdgctrl0 = 0x4238023B,
+       .p0_mpdgctrl1 = 0x00000000,
+       /* Read Calibration: DQS delay relative to DQ read access */
+       .p0_mprddlctl = 0x40404849,
+       /* Write Calibration: DQ/DM delay relative to DQS write access */
+       .p0_mpwrdlctl = 0x40402E2F,
+};
 
 static struct mx6_mmdc_calibration mx6dq_128x32_mmdc_calib = {
        /* write leveling calibration determine */
@@ -297,6 +349,19 @@ static struct mx6_mmdc_calibration mx6dq_256x32_mmdc_calib = {
        .p0_mpwrdlctl = 0x32363934,
 };
 
+static struct mx6_mmdc_calibration mx6sdl_256x32_mmdc_calib = {
+       /* write leveling calibration determine */
+       .p0_mpwldectrl0 = 0X00480047,
+       .p0_mpwldectrl1 = 0X003D003F,
+       /* Read DQS Gating calibration */
+       .p0_mpdgctrl0 = 0X423E0241,
+       .p0_mpdgctrl1 = 0X022B022C,
+       /* Read Calibration: DQS delay relative to DQ read access */
+       .p0_mprddlctl = 0X49454A4A,
+       /* Write Calibration: DQ/DM delay relative to DQS write access */
+       .p0_mpwrdlctl = 0X2E372C32,
+};
+
 static struct mx6_mmdc_calibration mx6dq_256x64_mmdc_calib = {
        /* write leveling calibration determine */
        .p0_mpwldectrl0 = 0X00220021,
@@ -340,6 +405,7 @@ static void spl_dram_init(int width, int size_mb, int board_model)
                .bi_on = 1,     /* Bank interleaving enabled */
                .sde_to_rst = 0x10,     /* 14 cycles, 200us (JEDEC default) */
                .rst_to_cke = 0x23,     /* 33 cycles, 500us (JEDEC default) */
+               .pd_fast_exit = 1, /* enable precharge power-down fast exit */
        };
 
        /*
@@ -349,25 +415,60 @@ static void spl_dram_init(int width, int size_mb, int board_model)
         *   mx6_ddr_sysinfo - board-specific memory architecture (width/cs/etc)
         *   mx6_ddr_cfg - chip specific timing/layout details
         */
-       if (width == 32 && size_mb == 512) {
+       if (width == 16 && size_mb == 128) {
+               mem = &mt41k64m16jt_125;
+               if (is_cpu_type(MXC_CPU_MX6Q))
+                       ;
+               else
+                       calib = &mx6sdl_64x16_mmdc_calib;
+               debug("1gB density\n");
+       } else if (width == 16 && size_mb == 256) {
+               /* 1x 2Gb density chip - same calib as 2x 2Gb */
                mem = &mt41k128m16jt_125;
                if (is_cpu_type(MXC_CPU_MX6Q))
                        calib = &mx6dq_128x32_mmdc_calib;
                else
                        calib = &mx6sdl_128x32_mmdc_calib;
                debug("2gB density\n");
-       } else if (width == 64 && size_mb == 1024) {
+       } else if (width == 16 && size_mb == 512) {
+               mem = &mt41k256m16ha_125;
+               if (is_cpu_type(MXC_CPU_MX6Q))
+                       calib = &mx6dq_256x16_mmdc_calib;
+               else
+                       calib = &mx6sdl_256x16_mmdc_calib;
+               debug("4gB density\n");
+       } else if (width == 32 && size_mb == 256) {
+               /* Same calib as width==16, size==128 */
+               mem = &mt41k64m16jt_125;
+               if (is_cpu_type(MXC_CPU_MX6Q))
+                       ;
+               else
+                       calib = &mx6sdl_64x16_mmdc_calib;
+               debug("1gB density\n");
+       } else if (width == 32 && size_mb == 512) {
                mem = &mt41k128m16jt_125;
                if (is_cpu_type(MXC_CPU_MX6Q))
-                       calib = &mx6dq_128x64_mmdc_calib;
+                       calib = &mx6dq_128x32_mmdc_calib;
                else
-                       calib = &mx6sdl_128x64_mmdc_calib;
+                       calib = &mx6sdl_128x32_mmdc_calib;
                debug("2gB density\n");
-       } else if (width == 32 && size_mb == 1024) {
+       }  else if (width == 32 && size_mb == 1024) {
                mem = &mt41k256m16ha_125;
                if (is_cpu_type(MXC_CPU_MX6Q))
                        calib = &mx6dq_256x32_mmdc_calib;
+               else
+                       calib = &mx6sdl_256x32_mmdc_calib;
                debug("4gB density\n");
+       } else if (width == 64 && size_mb == 512) {
+               mem = &mt41k64m16jt_125;
+               debug("1gB density\n");
+       } else if (width == 64 && size_mb == 1024) {
+               mem = &mt41k128m16jt_125;
+               if (is_cpu_type(MXC_CPU_MX6Q))
+                       calib = &mx6dq_128x64_mmdc_calib;
+               else
+                       calib = &mx6sdl_128x64_mmdc_calib;
+               debug("2gB density\n");
        } else if (width == 64 && size_mb == 2048) {
                mem = &mt41k256m16ha_125;
                if (is_cpu_type(MXC_CPU_MX6Q))
@@ -375,12 +476,14 @@ static void spl_dram_init(int width, int size_mb, int board_model)
                debug("4gB density\n");
        }
 
-       if (!mem) {
-               puts("Error: Invalid Memory Configuration\n");
-               hang();
-       }
-       if (!calib) {
-               puts("Error: Invalid Board Calibration Configuration\n");
+       if (!(mem && calib)) {
+               puts("Error: Invalid Calibration/Board Configuration\n");
+               printf("MEM    : %s\n", mem ? "OKAY" : "NULL");
+               printf("CALIB  : %s\n", calib ? "OKAY" : "NULL");
+               printf("CPUTYPE: %s\n",
+                      is_cpu_type(MXC_CPU_MX6Q) ? "IMX6Q" : "IMX6DL");
+               printf("SIZE_MB: %d\n", size_mb);
+               printf("WIDTH  : %d\n", width);
                hang();
        }