+
+#ifdef CONFIG_SPL_BUILD
+#include <asm/arch/mx6-ddr.h>
+#include <spl.h>
+#include <libfdt.h>
+
+static void ccgr_init(void)
+{
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+ writel(0x00C03F3F, &ccm->CCGR0);
+ writel(0x0030FC03, &ccm->CCGR1);
+ writel(0x0FFFC000, &ccm->CCGR2);
+ writel(0x3FF00000, &ccm->CCGR3);
+ writel(0x00FFF300, &ccm->CCGR4);
+ writel(0x0F0000C3, &ccm->CCGR5);
+ writel(0x000003FF, &ccm->CCGR6);
+}
+
+static void gpr_init(void)
+{
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ /* enable AXI cache for VDOA/VPU/IPU */
+ writel(0xF00000CF, &iomux->gpr[4]);
+ if (is_mx6dqp()) {
+ /* set IPU AXI-id1 Qos=0x1 AXI-id0/2/3 Qos=0x7 */
+ writel(0x007F007F, &iomux->gpr[6]);
+ writel(0x007F007F, &iomux->gpr[7]);
+ } else {
+ /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
+ writel(0x007F007F, &iomux->gpr[6]);
+ writel(0x007F007F, &iomux->gpr[7]);
+ }
+}
+
+static int mx6q_dcd_table[] = {
+ 0x020e0798, 0x000C0000,
+ 0x020e0758, 0x00000000,
+ 0x020e0588, 0x00000030,
+ 0x020e0594, 0x00000030,
+ 0x020e056c, 0x00000030,
+ 0x020e0578, 0x00000030,
+ 0x020e074c, 0x00000030,
+ 0x020e057c, 0x00000030,
+ 0x020e058c, 0x00000000,
+ 0x020e059c, 0x00000030,
+ 0x020e05a0, 0x00000030,
+ 0x020e078c, 0x00000030,
+ 0x020e0750, 0x00020000,
+ 0x020e05a8, 0x00000028,
+ 0x020e05b0, 0x00000028,
+ 0x020e0524, 0x00000028,
+ 0x020e051c, 0x00000028,
+ 0x020e0518, 0x00000028,
+ 0x020e050c, 0x00000028,
+ 0x020e05b8, 0x00000028,
+ 0x020e05c0, 0x00000028,
+ 0x020e0774, 0x00020000,
+ 0x020e0784, 0x00000028,
+ 0x020e0788, 0x00000028,
+ 0x020e0794, 0x00000028,
+ 0x020e079c, 0x00000028,
+ 0x020e07a0, 0x00000028,
+ 0x020e07a4, 0x00000028,
+ 0x020e07a8, 0x00000028,
+ 0x020e0748, 0x00000028,
+ 0x020e05ac, 0x00000028,
+ 0x020e05b4, 0x00000028,
+ 0x020e0528, 0x00000028,
+ 0x020e0520, 0x00000028,
+ 0x020e0514, 0x00000028,
+ 0x020e0510, 0x00000028,
+ 0x020e05bc, 0x00000028,
+ 0x020e05c4, 0x00000028,
+ 0x021b0800, 0xa1390003,
+ 0x021b080c, 0x001F001F,
+ 0x021b0810, 0x001F001F,
+ 0x021b480c, 0x001F001F,
+ 0x021b4810, 0x001F001F,
+ 0x021b083c, 0x43260335,
+ 0x021b0840, 0x031A030B,
+ 0x021b483c, 0x4323033B,
+ 0x021b4840, 0x0323026F,
+ 0x021b0848, 0x483D4545,
+ 0x021b4848, 0x44433E48,
+ 0x021b0850, 0x41444840,
+ 0x021b4850, 0x4835483E,
+ 0x021b081c, 0x33333333,
+ 0x021b0820, 0x33333333,
+ 0x021b0824, 0x33333333,
+ 0x021b0828, 0x33333333,
+ 0x021b481c, 0x33333333,
+ 0x021b4820, 0x33333333,
+ 0x021b4824, 0x33333333,
+ 0x021b4828, 0x33333333,
+ 0x021b08b8, 0x00000800,
+ 0x021b48b8, 0x00000800,
+ 0x021b0004, 0x00020036,
+ 0x021b0008, 0x09444040,
+ 0x021b000c, 0x8A8F7955,
+ 0x021b0010, 0xFF328F64,
+ 0x021b0014, 0x01FF00DB,
+ 0x021b0018, 0x00001740,
+ 0x021b001c, 0x00008000,
+ 0x021b002c, 0x000026d2,
+ 0x021b0030, 0x008F1023,
+ 0x021b0040, 0x00000047,
+ 0x021b0000, 0x841A0000,
+ 0x021b001c, 0x04088032,
+ 0x021b001c, 0x00008033,
+ 0x021b001c, 0x00048031,
+ 0x021b001c, 0x09408030,
+ 0x021b001c, 0x04008040,
+ 0x021b0020, 0x00005800,
+ 0x021b0818, 0x00011117,
+ 0x021b4818, 0x00011117,
+ 0x021b0004, 0x00025576,
+ 0x021b0404, 0x00011006,
+ 0x021b001c, 0x00000000,
+ 0x020c4068, 0x00C03F3F,
+ 0x020c406c, 0x0030FC03,
+ 0x020c4070, 0x0FFFC000,
+ 0x020c4074, 0x3FF00000,
+ 0x020c4078, 0xFFFFF300,
+ 0x020c407c, 0x0F0000F3,
+ 0x020c4080, 0x00000FFF,
+ 0x020e0010, 0xF00000CF,
+ 0x020e0018, 0x007F007F,
+ 0x020e001c, 0x007F007F,
+};
+
+static int mx6qp_dcd_table[] = {
+ 0x020e0798, 0x000C0000,
+ 0x020e0758, 0x00000000,
+ 0x020e0588, 0x00000030,
+ 0x020e0594, 0x00000030,
+ 0x020e056c, 0x00000030,
+ 0x020e0578, 0x00000030,
+ 0x020e074c, 0x00000030,
+ 0x020e057c, 0x00000030,
+ 0x020e058c, 0x00000000,
+ 0x020e059c, 0x00000030,
+ 0x020e05a0, 0x00000030,
+ 0x020e078c, 0x00000030,
+ 0x020e0750, 0x00020000,
+ 0x020e05a8, 0x00000030,
+ 0x020e05b0, 0x00000030,
+ 0x020e0524, 0x00000030,
+ 0x020e051c, 0x00000030,
+ 0x020e0518, 0x00000030,
+ 0x020e050c, 0x00000030,
+ 0x020e05b8, 0x00000030,
+ 0x020e05c0, 0x00000030,
+ 0x020e0774, 0x00020000,
+ 0x020e0784, 0x00000030,
+ 0x020e0788, 0x00000030,
+ 0x020e0794, 0x00000030,
+ 0x020e079c, 0x00000030,
+ 0x020e07a0, 0x00000030,
+ 0x020e07a4, 0x00000030,
+ 0x020e07a8, 0x00000030,
+ 0x020e0748, 0x00000030,
+ 0x020e05ac, 0x00000030,
+ 0x020e05b4, 0x00000030,
+ 0x020e0528, 0x00000030,
+ 0x020e0520, 0x00000030,
+ 0x020e0514, 0x00000030,
+ 0x020e0510, 0x00000030,
+ 0x020e05bc, 0x00000030,
+ 0x020e05c4, 0x00000030,
+ 0x021b0800, 0xa1390003,
+ 0x021b080c, 0x001b001e,
+ 0x021b0810, 0x002e0029,
+ 0x021b480c, 0x001b002a,
+ 0x021b4810, 0x0019002c,
+ 0x021b083c, 0x43240334,
+ 0x021b0840, 0x0324031a,
+ 0x021b483c, 0x43340344,
+ 0x021b4840, 0x03280276,
+ 0x021b0848, 0x44383A3E,
+ 0x021b4848, 0x3C3C3846,
+ 0x021b0850, 0x2e303230,
+ 0x021b4850, 0x38283E34,
+ 0x021b081c, 0x33333333,
+ 0x021b0820, 0x33333333,
+ 0x021b0824, 0x33333333,
+ 0x021b0828, 0x33333333,
+ 0x021b481c, 0x33333333,
+ 0x021b4820, 0x33333333,
+ 0x021b4824, 0x33333333,
+ 0x021b4828, 0x33333333,
+ 0x021b08c0, 0x24912492,
+ 0x021b48c0, 0x24912492,
+ 0x021b08b8, 0x00000800,
+ 0x021b48b8, 0x00000800,
+ 0x021b0004, 0x00020036,
+ 0x021b0008, 0x09444040,
+ 0x021b000c, 0x898E7955,
+ 0x021b0010, 0xFF328F64,
+ 0x021b0014, 0x01FF00DB,
+ 0x021b0018, 0x00001740,
+ 0x021b001c, 0x00008000,
+ 0x021b002c, 0x000026d2,
+ 0x021b0030, 0x008E1023,
+ 0x021b0040, 0x00000047,
+ 0x021b0400, 0x14420000,
+ 0x021b0000, 0x841A0000,
+ 0x00bb0008, 0x00000004,
+ 0x00bb000c, 0x2891E41A,
+ 0x00bb0038, 0x00000564,
+ 0x00bb0014, 0x00000040,
+ 0x00bb0028, 0x00000020,
+ 0x00bb002c, 0x00000020,
+ 0x021b001c, 0x04088032,
+ 0x021b001c, 0x00008033,
+ 0x021b001c, 0x00048031,
+ 0x021b001c, 0x09408030,
+ 0x021b001c, 0x04008040,
+ 0x021b0020, 0x00005800,
+ 0x021b0818, 0x00011117,
+ 0x021b4818, 0x00011117,
+ 0x021b0004, 0x00025576,
+ 0x021b0404, 0x00011006,
+ 0x021b001c, 0x00000000,
+ 0x020c4068, 0x00C03F3F,
+ 0x020c406c, 0x0030FC03,
+ 0x020c4070, 0x0FFFC000,
+ 0x020c4074, 0x3FF00000,
+ 0x020c4078, 0xFFFFF300,
+ 0x020c407c, 0x0F0000F3,
+ 0x020c4080, 0x00000FFF,
+ 0x020e0010, 0xF00000CF,
+ 0x020e0018, 0x77177717,
+ 0x020e001c, 0x77177717,
+};
+
+static int mx6dl_dcd_table[] = {
+ 0x020e0774, 0x000C0000,
+ 0x020e0754, 0x00000000,
+ 0x020e04ac, 0x00000030,
+ 0x020e04b0, 0x00000030,
+ 0x020e0464, 0x00000030,
+ 0x020e0490, 0x00000030,
+ 0x020e074c, 0x00000030,
+ 0x020e0494, 0x00000030,
+ 0x020e04a0, 0x00000000,
+ 0x020e04b4, 0x00000030,
+ 0x020e04b8, 0x00000030,
+ 0x020e076c, 0x00000030,
+ 0x020e0750, 0x00020000,
+ 0x020e04bc, 0x00000028,
+ 0x020e04c0, 0x00000028,
+ 0x020e04c4, 0x00000028,
+ 0x020e04c8, 0x00000028,
+ 0x020e04cc, 0x00000028,
+ 0x020e04d0, 0x00000028,
+ 0x020e04d4, 0x00000028,
+ 0x020e04d8, 0x00000028,
+ 0x020e0760, 0x00020000,
+ 0x020e0764, 0x00000028,
+ 0x020e0770, 0x00000028,
+ 0x020e0778, 0x00000028,
+ 0x020e077c, 0x00000028,
+ 0x020e0780, 0x00000028,
+ 0x020e0784, 0x00000028,
+ 0x020e078c, 0x00000028,
+ 0x020e0748, 0x00000028,
+ 0x020e0470, 0x00000028,
+ 0x020e0474, 0x00000028,
+ 0x020e0478, 0x00000028,
+ 0x020e047c, 0x00000028,
+ 0x020e0480, 0x00000028,
+ 0x020e0484, 0x00000028,
+ 0x020e0488, 0x00000028,
+ 0x020e048c, 0x00000028,
+ 0x021b0800, 0xa1390003,
+ 0x021b080c, 0x001F001F,
+ 0x021b0810, 0x001F001F,
+ 0x021b480c, 0x001F001F,
+ 0x021b4810, 0x001F001F,
+ 0x021b083c, 0x42190217,
+ 0x021b0840, 0x017B017B,
+ 0x021b483c, 0x4176017B,
+ 0x021b4840, 0x015F016C,
+ 0x021b0848, 0x4C4C4D4C,
+ 0x021b4848, 0x4A4D4C48,
+ 0x021b0850, 0x3F3F3F40,
+ 0x021b4850, 0x3538382E,
+ 0x021b081c, 0x33333333,
+ 0x021b0820, 0x33333333,
+ 0x021b0824, 0x33333333,
+ 0x021b0828, 0x33333333,
+ 0x021b481c, 0x33333333,
+ 0x021b4820, 0x33333333,
+ 0x021b4824, 0x33333333,
+ 0x021b4828, 0x33333333,
+ 0x021b08b8, 0x00000800,
+ 0x021b48b8, 0x00000800,
+ 0x021b0004, 0x00020025,
+ 0x021b0008, 0x00333030,
+ 0x021b000c, 0x676B5313,
+ 0x021b0010, 0xB66E8B63,
+ 0x021b0014, 0x01FF00DB,
+ 0x021b0018, 0x00001740,
+ 0x021b001c, 0x00008000,
+ 0x021b002c, 0x000026d2,
+ 0x021b0030, 0x006B1023,
+ 0x021b0040, 0x00000047,
+ 0x021b0000, 0x841A0000,
+ 0x021b001c, 0x04008032,
+ 0x021b001c, 0x00008033,
+ 0x021b001c, 0x00048031,
+ 0x021b001c, 0x05208030,
+ 0x021b001c, 0x04008040,
+ 0x021b0020, 0x00005800,
+ 0x021b0818, 0x00011117,
+ 0x021b4818, 0x00011117,
+ 0x021b0004, 0x00025565,
+ 0x021b0404, 0x00011006,
+ 0x021b001c, 0x00000000,
+ 0x020c4068, 0x00C03F3F,
+ 0x020c406c, 0x0030FC03,
+ 0x020c4070, 0x0FFFC000,
+ 0x020c4074, 0x3FF00000,
+ 0x020c4078, 0xFFFFF300,
+ 0x020c407c, 0x0F0000C3,
+ 0x020c4080, 0x00000FFF,
+ 0x020e0010, 0xF00000CF,
+ 0x020e0018, 0x007F007F,
+ 0x020e001c, 0x007F007F,
+};
+
+static void ddr_init(int *table, int size)
+{
+ int i;
+
+ for (i = 0; i < size / 2 ; i++)
+ writel(table[2 * i + 1], table[2 * i]);
+}
+
+static void spl_dram_init(void)
+{
+ if (is_mx6dq())
+ ddr_init(mx6q_dcd_table, ARRAY_SIZE(mx6q_dcd_table));
+ else if (is_mx6dqp())
+ ddr_init(mx6qp_dcd_table, ARRAY_SIZE(mx6qp_dcd_table));
+ else if (is_mx6sdl())
+ ddr_init(mx6dl_dcd_table, ARRAY_SIZE(mx6dl_dcd_table));
+}
+
+void board_init_f(ulong dummy)
+{
+ /* DDR initialization */
+ spl_dram_init();
+
+ /* setup AIPS and disable watchdog */
+ arch_cpu_init();
+
+ ccgr_init();
+ gpr_init();
+
+ /* iomux and setup of i2c */
+ board_early_init_f();
+
+ /* setup GP timer */
+ timer_init();
+
+ /* UART clocks enabled and gd valid - init serial console */
+ preloader_console_init();
+
+ /* Clear the BSS. */
+ memset(__bss_start, 0, __bss_end - __bss_start);
+
+ /* load/boot image from boot device */
+ board_init_r(NULL, 0);
+}
+#endif