--- /dev/null
+# Copyright (C) 2016 Amarula Solutions B.V.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+ifdef CONFIG_MX6QDL
+obj-$(CONFIG_SPL_BUILD) += spl.o
+endif
--- /dev/null
+/*
+ * Copyright (C) 2016 Amarula Solutions B.V.
+ * Copyright (C) 2016 Engicam S.r.l.
+ * Author: Jagan Teki <jagan@amarulasolutions.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <linux/sizes.h>
+
+#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6-ddr.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/sys_proto.h>
+
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/video.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
+ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+
+static iomux_v3_cfg_t const uart4_pads[] = {
+ IOMUX_PADS(PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+ IOMUX_PADS(PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+};
+
+/*
+ * Driving strength:
+ * 0x30 == 40 Ohm
+ * 0x28 == 48 Ohm
+ */
+#define IMX6DQ_DRIVE_STRENGTH 0x30
+#define IMX6SDL_DRIVE_STRENGTH 0x28
+
+/* configure MX6Q/DUAL mmdc DDR io registers */
+static struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = {
+ .dram_sdqs0 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdqs1 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdqs2 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdqs3 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdqs4 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdqs5 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdqs6 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdqs7 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_dqm0 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_dqm1 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_dqm2 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_dqm3 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_dqm4 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_dqm5 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_dqm6 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_dqm7 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_cas = IMX6DQ_DRIVE_STRENGTH,
+ .dram_ras = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdclk_0 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdclk_1 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_reset = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdcke0 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdcke1 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdba2 = 0x00000000,
+ .dram_sdodt0 = IMX6DQ_DRIVE_STRENGTH,
+ .dram_sdodt1 = IMX6DQ_DRIVE_STRENGTH,
+};
+
+/* configure MX6Q/DUAL mmdc GRP io registers */
+static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = {
+ .grp_b0ds = IMX6DQ_DRIVE_STRENGTH,
+ .grp_b1ds = IMX6DQ_DRIVE_STRENGTH,
+ .grp_b2ds = IMX6DQ_DRIVE_STRENGTH,
+ .grp_b3ds = IMX6DQ_DRIVE_STRENGTH,
+ .grp_b4ds = IMX6DQ_DRIVE_STRENGTH,
+ .grp_b5ds = IMX6DQ_DRIVE_STRENGTH,
+ .grp_b6ds = IMX6DQ_DRIVE_STRENGTH,
+ .grp_b7ds = IMX6DQ_DRIVE_STRENGTH,
+ .grp_addds = IMX6DQ_DRIVE_STRENGTH,
+ .grp_ddrmode_ctl = 0x00020000,
+ .grp_ddrpke = 0x00000000,
+ .grp_ddrmode = 0x00020000,
+ .grp_ctlds = IMX6DQ_DRIVE_STRENGTH,
+ .grp_ddr_type = 0x000c0000,
+};
+
+/* configure MX6SOLO/DUALLITE mmdc DDR io registers */
+struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = {
+ .dram_sdclk_0 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdclk_1 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_cas = IMX6SDL_DRIVE_STRENGTH,
+ .dram_ras = IMX6SDL_DRIVE_STRENGTH,
+ .dram_reset = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdcke0 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdcke1 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdba2 = 0x00000000,
+ .dram_sdodt0 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdodt1 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdqs0 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdqs1 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdqs2 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdqs3 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdqs4 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdqs5 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdqs6 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_sdqs7 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_dqm0 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_dqm1 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_dqm2 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_dqm3 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_dqm4 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_dqm5 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_dqm6 = IMX6SDL_DRIVE_STRENGTH,
+ .dram_dqm7 = IMX6SDL_DRIVE_STRENGTH,
+};
+
+/* configure MX6SOLO/DUALLITE mmdc GRP io registers */
+struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = {
+ .grp_ddr_type = 0x000c0000,
+ .grp_ddrmode_ctl = 0x00020000,
+ .grp_ddrpke = 0x00000000,
+ .grp_addds = IMX6SDL_DRIVE_STRENGTH,
+ .grp_ctlds = IMX6SDL_DRIVE_STRENGTH,
+ .grp_ddrmode = 0x00020000,
+ .grp_b0ds = IMX6SDL_DRIVE_STRENGTH,
+ .grp_b1ds = IMX6SDL_DRIVE_STRENGTH,
+ .grp_b2ds = IMX6SDL_DRIVE_STRENGTH,
+ .grp_b3ds = IMX6SDL_DRIVE_STRENGTH,
+ .grp_b4ds = IMX6SDL_DRIVE_STRENGTH,
+ .grp_b5ds = IMX6SDL_DRIVE_STRENGTH,
+ .grp_b6ds = IMX6SDL_DRIVE_STRENGTH,
+ .grp_b7ds = IMX6SDL_DRIVE_STRENGTH,
+};
+
+/* mt41j256 */
+static struct mx6_ddr3_cfg mt41j256 = {
+ .mem_speed = 1066,
+ .density = 2,
+ .width = 16,
+ .banks = 8,
+ .rowaddr = 13,
+ .coladdr = 10,
+ .pagesz = 2,
+ .trcd = 1375,
+ .trcmin = 4875,
+ .trasmin = 3500,
+ .SRT = 0,
+};
+
+static struct mx6_mmdc_calibration mx6dq_mmdc_calib = {
+ .p0_mpwldectrl0 = 0x000E0009,
+ .p0_mpwldectrl1 = 0x0018000E,
+ .p1_mpwldectrl0 = 0x00000007,
+ .p1_mpwldectrl1 = 0x00000000,
+ .p0_mpdgctrl0 = 0x43280334,
+ .p0_mpdgctrl1 = 0x031C0314,
+ .p1_mpdgctrl0 = 0x4318031C,
+ .p1_mpdgctrl1 = 0x030C0258,
+ .p0_mprddlctl = 0x3E343A40,
+ .p1_mprddlctl = 0x383C3844,
+ .p0_mpwrdlctl = 0x40404440,
+ .p1_mpwrdlctl = 0x4C3E4446,
+};
+
+/* DDR 64bit */
+static struct mx6_ddr_sysinfo mem_q = {
+ .ddr_type = DDR_TYPE_DDR3,
+ .dsize = 2,
+ .cs1_mirror = 0,
+ /* config for full 4GB range so that get_mem_size() works */
+ .cs_density = 32,
+ .ncs = 1,
+ .bi_on = 1,
+ .rtt_nom = 2,
+ .rtt_wr = 2,
+ .ralat = 5,
+ .walat = 0,
+ .mif3_mode = 3,
+ .rst_to_cke = 0x23,
+ .sde_to_rst = 0x10,
+};
+
+static struct mx6_mmdc_calibration mx6dl_mmdc_calib = {
+ .p0_mpwldectrl0 = 0x001F0024,
+ .p0_mpwldectrl1 = 0x00110018,
+ .p1_mpwldectrl0 = 0x001F0024,
+ .p1_mpwldectrl1 = 0x00110018,
+ .p0_mpdgctrl0 = 0x4230022C,
+ .p0_mpdgctrl1 = 0x02180220,
+ .p1_mpdgctrl0 = 0x42440248,
+ .p1_mpdgctrl1 = 0x02300238,
+ .p0_mprddlctl = 0x44444A48,
+ .p1_mprddlctl = 0x46484A42,
+ .p0_mpwrdlctl = 0x38383234,
+ .p1_mpwrdlctl = 0x3C34362E,
+};
+
+/* DDR 64bit 1GB */
+static struct mx6_ddr_sysinfo mem_dl = {
+ .dsize = 2,
+ .cs1_mirror = 0,
+ /* config for full 4GB range so that get_mem_size() works */
+ .cs_density = 32,
+ .ncs = 1,
+ .bi_on = 1,
+ .rtt_nom = 1,
+ .rtt_wr = 1,
+ .ralat = 5,
+ .walat = 0,
+ .mif3_mode = 3,
+ .rst_to_cke = 0x23,
+ .sde_to_rst = 0x10,
+};
+
+/* DDR 32bit 512MB */
+static struct mx6_ddr_sysinfo mem_s = {
+ .dsize = 1,
+ .cs1_mirror = 0,
+ /* config for full 4GB range so that get_mem_size() works */
+ .cs_density = 32,
+ .ncs = 1,
+ .bi_on = 1,
+ .rtt_nom = 1,
+ .rtt_wr = 1,
+ .ralat = 5,
+ .walat = 0,
+ .mif3_mode = 3,
+ .rst_to_cke = 0x23,
+ .sde_to_rst = 0x10,
+};
+
+static void ccgr_init(void)
+{
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+ writel(0x00003F3F, &ccm->CCGR0);
+ writel(0x0030FC00, &ccm->CCGR1);
+ writel(0x000FC000, &ccm->CCGR2);
+ writel(0x3F300000, &ccm->CCGR3);
+ writel(0xFF00F300, &ccm->CCGR4);
+ writel(0x0F0000C3, &ccm->CCGR5);
+ writel(0x000003CC, &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]);
+ /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
+ writel(0x007F007F, &iomux->gpr[6]);
+ writel(0x007F007F, &iomux->gpr[7]);
+}
+
+static void spl_dram_init(void)
+{
+ if (is_mx6solo()) {
+ mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
+ mx6_dram_cfg(&mem_s, &mx6dl_mmdc_calib, &mt41j256);
+ } else if (is_mx6dl()) {
+ mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
+ mx6_dram_cfg(&mem_dl, &mx6dl_mmdc_calib, &mt41j256);
+ } else if (is_mx6dq()) {
+ mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs);
+ mx6_dram_cfg(&mem_q, &mx6dq_mmdc_calib, &mt41j256);
+ }
+
+ udelay(100);
+}
+
+void board_init_f(ulong dummy)
+{
+ ccgr_init();
+
+ /* setup AIPS and disable watchdog */
+ arch_cpu_init();
+
+ gpr_init();
+
+ /* iomux */
+ SETUP_IOMUX_PADS(uart4_pads);
+
+ /* setup GP timer */
+ timer_init();
+
+ /* UART clocks enabled and gd valid - init serial console */
+ preloader_console_init();
+
+ /* DDR initialization */
+ spl_dram_init();
+
+ /* Clear the BSS. */
+ memset(__bss_start, 0, __bss_end - __bss_start);
+
+ /* load/boot image from boot device */
+ board_init_r(NULL, 0);
+}
}
#ifdef CONFIG_SPL_BUILD
-#include <libfdt.h>
-#include <spl.h>
-
-#include <asm/arch/crm_regs.h>
-#include <asm/arch/mx6-ddr.h>
-
-#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
- PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
- PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
-
-static iomux_v3_cfg_t const uart4_pads[] = {
- IOMUX_PADS(PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
- IOMUX_PADS(PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
-};
-
/* MMC board initialization is needed till adding DM support in SPL */
#if defined(CONFIG_FSL_ESDHC) && !defined(CONFIG_DM_MMC)
#include <mmc.h>
return -1;
}
#endif
-
-/*
- * Driving strength:
- * 0x30 == 40 Ohm
- * 0x28 == 48 Ohm
- */
-
-#define IMX6DQ_DRIVE_STRENGTH 0x30
-#define IMX6SDL_DRIVE_STRENGTH 0x28
-
-/* configure MX6Q/DUAL mmdc DDR io registers */
-static struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = {
- .dram_sdqs0 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs1 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs2 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs3 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs4 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs5 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs6 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs7 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm0 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm1 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm2 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm3 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm4 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm5 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm6 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm7 = IMX6DQ_DRIVE_STRENGTH,
- .dram_cas = IMX6DQ_DRIVE_STRENGTH,
- .dram_ras = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdclk_0 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdclk_1 = IMX6DQ_DRIVE_STRENGTH,
- .dram_reset = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdcke0 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdcke1 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdba2 = 0x00000000,
- .dram_sdodt0 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdodt1 = IMX6DQ_DRIVE_STRENGTH,
-};
-
-/* configure MX6Q/DUAL mmdc GRP io registers */
-static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = {
- .grp_b0ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b1ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b2ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b3ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b4ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b5ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b6ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b7ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_addds = IMX6DQ_DRIVE_STRENGTH,
- .grp_ddrmode_ctl = 0x00020000,
- .grp_ddrpke = 0x00000000,
- .grp_ddrmode = 0x00020000,
- .grp_ctlds = IMX6DQ_DRIVE_STRENGTH,
- .grp_ddr_type = 0x000c0000,
-};
-
-/* configure MX6SOLO/DUALLITE mmdc DDR io registers */
-struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = {
- .dram_sdclk_0 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdclk_1 = IMX6SDL_DRIVE_STRENGTH,
- .dram_cas = IMX6SDL_DRIVE_STRENGTH,
- .dram_ras = IMX6SDL_DRIVE_STRENGTH,
- .dram_reset = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdcke0 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdcke1 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdba2 = 0x00000000,
- .dram_sdodt0 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdodt1 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs0 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs1 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs2 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs3 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs4 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs5 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs6 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs7 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm0 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm1 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm2 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm3 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm4 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm5 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm6 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm7 = IMX6SDL_DRIVE_STRENGTH,
-};
-
-/* configure MX6SOLO/DUALLITE mmdc GRP io registers */
-struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = {
- .grp_ddr_type = 0x000c0000,
- .grp_ddrmode_ctl = 0x00020000,
- .grp_ddrpke = 0x00000000,
- .grp_addds = IMX6SDL_DRIVE_STRENGTH,
- .grp_ctlds = IMX6SDL_DRIVE_STRENGTH,
- .grp_ddrmode = 0x00020000,
- .grp_b0ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b1ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b2ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b3ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b4ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b5ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b6ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b7ds = IMX6SDL_DRIVE_STRENGTH,
-};
-
-/* mt41j256 */
-static struct mx6_ddr3_cfg mt41j256 = {
- .mem_speed = 1066,
- .density = 2,
- .width = 16,
- .banks = 8,
- .rowaddr = 13,
- .coladdr = 10,
- .pagesz = 2,
- .trcd = 1375,
- .trcmin = 4875,
- .trasmin = 3500,
- .SRT = 0,
-};
-
-static struct mx6_mmdc_calibration mx6dq_mmdc_calib = {
- .p0_mpwldectrl0 = 0x000E0009,
- .p0_mpwldectrl1 = 0x0018000E,
- .p1_mpwldectrl0 = 0x00000007,
- .p1_mpwldectrl1 = 0x00000000,
- .p0_mpdgctrl0 = 0x43280334,
- .p0_mpdgctrl1 = 0x031C0314,
- .p1_mpdgctrl0 = 0x4318031C,
- .p1_mpdgctrl1 = 0x030C0258,
- .p0_mprddlctl = 0x3E343A40,
- .p1_mprddlctl = 0x383C3844,
- .p0_mpwrdlctl = 0x40404440,
- .p1_mpwrdlctl = 0x4C3E4446,
-};
-
-/* DDR 64bit */
-static struct mx6_ddr_sysinfo mem_q = {
- .ddr_type = DDR_TYPE_DDR3,
- .dsize = 2,
- .cs1_mirror = 0,
- /* config for full 4GB range so that get_mem_size() works */
- .cs_density = 32,
- .ncs = 1,
- .bi_on = 1,
- .rtt_nom = 2,
- .rtt_wr = 2,
- .ralat = 5,
- .walat = 0,
- .mif3_mode = 3,
- .rst_to_cke = 0x23,
- .sde_to_rst = 0x10,
-};
-
-static struct mx6_mmdc_calibration mx6dl_mmdc_calib = {
- .p0_mpwldectrl0 = 0x001F0024,
- .p0_mpwldectrl1 = 0x00110018,
- .p1_mpwldectrl0 = 0x001F0024,
- .p1_mpwldectrl1 = 0x00110018,
- .p0_mpdgctrl0 = 0x4230022C,
- .p0_mpdgctrl1 = 0x02180220,
- .p1_mpdgctrl0 = 0x42440248,
- .p1_mpdgctrl1 = 0x02300238,
- .p0_mprddlctl = 0x44444A48,
- .p1_mprddlctl = 0x46484A42,
- .p0_mpwrdlctl = 0x38383234,
- .p1_mpwrdlctl = 0x3C34362E,
-};
-
-/* DDR 64bit 1GB */
-static struct mx6_ddr_sysinfo mem_dl = {
- .dsize = 2,
- .cs1_mirror = 0,
- /* config for full 4GB range so that get_mem_size() works */
- .cs_density = 32,
- .ncs = 1,
- .bi_on = 1,
- .rtt_nom = 1,
- .rtt_wr = 1,
- .ralat = 5,
- .walat = 0,
- .mif3_mode = 3,
- .rst_to_cke = 0x23,
- .sde_to_rst = 0x10,
-};
-
-/* DDR 32bit 512MB */
-static struct mx6_ddr_sysinfo mem_s = {
- .dsize = 1,
- .cs1_mirror = 0,
- /* config for full 4GB range so that get_mem_size() works */
- .cs_density = 32,
- .ncs = 1,
- .bi_on = 1,
- .rtt_nom = 1,
- .rtt_wr = 1,
- .ralat = 5,
- .walat = 0,
- .mif3_mode = 3,
- .rst_to_cke = 0x23,
- .sde_to_rst = 0x10,
-};
-
-static void ccgr_init(void)
-{
- struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
-
- writel(0x00003F3F, &ccm->CCGR0);
- writel(0x0030FC00, &ccm->CCGR1);
- writel(0x000FC000, &ccm->CCGR2);
- writel(0x3F300000, &ccm->CCGR3);
- writel(0xFF00F300, &ccm->CCGR4);
- writel(0x0F0000C3, &ccm->CCGR5);
- writel(0x000003CC, &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]);
- /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
- writel(0x007F007F, &iomux->gpr[6]);
- writel(0x007F007F, &iomux->gpr[7]);
-}
-
-static void spl_dram_init(void)
-{
- if (is_mx6solo()) {
- mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
- mx6_dram_cfg(&mem_s, &mx6dl_mmdc_calib, &mt41j256);
- } else if (is_mx6dl()) {
- mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
- mx6_dram_cfg(&mem_dl, &mx6dl_mmdc_calib, &mt41j256);
- } else if (is_mx6dq()) {
- mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs);
- mx6_dram_cfg(&mem_q, &mx6dq_mmdc_calib, &mt41j256);
- }
-
- udelay(100);
-}
-
-void board_init_f(ulong dummy)
-{
- ccgr_init();
-
- /* setup AIPS and disable watchdog */
- arch_cpu_init();
-
- gpr_init();
-
- /* iomux */
- SETUP_IOMUX_PADS(uart4_pads);
-
- /* setup GP timer */
- timer_init();
-
- /* UART clocks enabled and gd valid - init serial console */
- preloader_console_init();
-
- /* DDR initialization */
- spl_dram_init();
-
- /* Clear the BSS. */
- memset(__bss_start, 0, __bss_end - __bss_start);
-
- /* load/boot image from boot device */
- board_init_r(NULL, 0);
-}
-#endif
+#endif /* CONFIG_SPL_BUILD */
}
#ifdef CONFIG_SPL_BUILD
-#include <libfdt.h>
#include <spl.h>
-#include <asm/arch/crm_regs.h>
-#include <asm/arch/mx6-ddr.h>
-
-#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
- PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
- PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
-
-static iomux_v3_cfg_t const uart4_pads[] = {
- IOMUX_PADS(PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
- IOMUX_PADS(PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
-};
-
/* MMC board initialization is needed till adding DM support in SPL */
#if defined(CONFIG_FSL_ESDHC) && !defined(CONFIG_DM_MMC)
#include <mmc.h>
return -1;
}
#endif
-
-/*
- * Driving strength:
- * 0x30 == 40 Ohm
- * 0x28 == 48 Ohm
- */
-
-#define IMX6DQ_DRIVE_STRENGTH 0x30
-#define IMX6SDL_DRIVE_STRENGTH 0x28
-
-/* configure MX6Q/DUAL mmdc DDR io registers */
-static struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = {
- .dram_sdqs0 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs1 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs2 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs3 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs4 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs5 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs6 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdqs7 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm0 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm1 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm2 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm3 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm4 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm5 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm6 = IMX6DQ_DRIVE_STRENGTH,
- .dram_dqm7 = IMX6DQ_DRIVE_STRENGTH,
- .dram_cas = IMX6DQ_DRIVE_STRENGTH,
- .dram_ras = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdclk_0 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdclk_1 = IMX6DQ_DRIVE_STRENGTH,
- .dram_reset = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdcke0 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdcke1 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdba2 = 0x00000000,
- .dram_sdodt0 = IMX6DQ_DRIVE_STRENGTH,
- .dram_sdodt1 = IMX6DQ_DRIVE_STRENGTH,
-};
-
-/* configure MX6Q/DUAL mmdc GRP io registers */
-static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = {
- .grp_b0ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b1ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b2ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b3ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b4ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b5ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b6ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_b7ds = IMX6DQ_DRIVE_STRENGTH,
- .grp_addds = IMX6DQ_DRIVE_STRENGTH,
- .grp_ddrmode_ctl = 0x00020000,
- .grp_ddrpke = 0x00000000,
- .grp_ddrmode = 0x00020000,
- .grp_ctlds = IMX6DQ_DRIVE_STRENGTH,
- .grp_ddr_type = 0x000c0000,
-};
-
-/* configure MX6SOLO/DUALLITE mmdc DDR io registers */
-struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = {
- .dram_sdclk_0 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdclk_1 = IMX6SDL_DRIVE_STRENGTH,
- .dram_cas = IMX6SDL_DRIVE_STRENGTH,
- .dram_ras = IMX6SDL_DRIVE_STRENGTH,
- .dram_reset = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdcke0 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdcke1 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdba2 = 0x00000000,
- .dram_sdodt0 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdodt1 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs0 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs1 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs2 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs3 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs4 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs5 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs6 = IMX6SDL_DRIVE_STRENGTH,
- .dram_sdqs7 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm0 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm1 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm2 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm3 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm4 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm5 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm6 = IMX6SDL_DRIVE_STRENGTH,
- .dram_dqm7 = IMX6SDL_DRIVE_STRENGTH,
-};
-
-/* configure MX6SOLO/DUALLITE mmdc GRP io registers */
-struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = {
- .grp_ddr_type = 0x000c0000,
- .grp_ddrmode_ctl = 0x00020000,
- .grp_ddrpke = 0x00000000,
- .grp_addds = IMX6SDL_DRIVE_STRENGTH,
- .grp_ctlds = IMX6SDL_DRIVE_STRENGTH,
- .grp_ddrmode = 0x00020000,
- .grp_b0ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b1ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b2ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b3ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b4ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b5ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b6ds = IMX6SDL_DRIVE_STRENGTH,
- .grp_b7ds = IMX6SDL_DRIVE_STRENGTH,
-};
-
-/* mt41j256 */
-static struct mx6_ddr3_cfg mt41j256 = {
- .mem_speed = 1066,
- .density = 2,
- .width = 16,
- .banks = 8,
- .rowaddr = 13,
- .coladdr = 10,
- .pagesz = 2,
- .trcd = 1375,
- .trcmin = 4875,
- .trasmin = 3500,
- .SRT = 0,
-};
-
-static struct mx6_mmdc_calibration mx6dq_mmdc_calib = {
- .p0_mpwldectrl0 = 0x000E0009,
- .p0_mpwldectrl1 = 0x0018000E,
- .p1_mpwldectrl0 = 0x00000007,
- .p1_mpwldectrl1 = 0x00000000,
- .p0_mpdgctrl0 = 0x43280334,
- .p0_mpdgctrl1 = 0x031C0314,
- .p1_mpdgctrl0 = 0x4318031C,
- .p1_mpdgctrl1 = 0x030C0258,
- .p0_mprddlctl = 0x3E343A40,
- .p1_mprddlctl = 0x383C3844,
- .p0_mpwrdlctl = 0x40404440,
- .p1_mpwrdlctl = 0x4C3E4446,
-};
-
-/* DDR 64bit */
-static struct mx6_ddr_sysinfo mem_q = {
- .ddr_type = DDR_TYPE_DDR3,
- .dsize = 2,
- .cs1_mirror = 0,
- /* config for full 4GB range so that get_mem_size() works */
- .cs_density = 32,
- .ncs = 1,
- .bi_on = 1,
- .rtt_nom = 2,
- .rtt_wr = 2,
- .ralat = 5,
- .walat = 0,
- .mif3_mode = 3,
- .rst_to_cke = 0x23,
- .sde_to_rst = 0x10,
-};
-
-static struct mx6_mmdc_calibration mx6dl_mmdc_calib = {
- .p0_mpwldectrl0 = 0x001F0024,
- .p0_mpwldectrl1 = 0x00110018,
- .p1_mpwldectrl0 = 0x001F0024,
- .p1_mpwldectrl1 = 0x00110018,
- .p0_mpdgctrl0 = 0x4230022C,
- .p0_mpdgctrl1 = 0x02180220,
- .p1_mpdgctrl0 = 0x42440248,
- .p1_mpdgctrl1 = 0x02300238,
- .p0_mprddlctl = 0x44444A48,
- .p1_mprddlctl = 0x46484A42,
- .p0_mpwrdlctl = 0x38383234,
- .p1_mpwrdlctl = 0x3C34362E,
-};
-
-/* DDR 64bit 1GB */
-static struct mx6_ddr_sysinfo mem_dl = {
- .dsize = 2,
- .cs1_mirror = 0,
- /* config for full 4GB range so that get_mem_size() works */
- .cs_density = 32,
- .ncs = 1,
- .bi_on = 1,
- .rtt_nom = 1,
- .rtt_wr = 1,
- .ralat = 5,
- .walat = 0,
- .mif3_mode = 3,
- .rst_to_cke = 0x23,
- .sde_to_rst = 0x10,
-};
-
-/* DDR 32bit 512MB */
-static struct mx6_ddr_sysinfo mem_s = {
- .dsize = 1,
- .cs1_mirror = 0,
- /* config for full 4GB range so that get_mem_size() works */
- .cs_density = 32,
- .ncs = 1,
- .bi_on = 1,
- .rtt_nom = 1,
- .rtt_wr = 1,
- .ralat = 5,
- .walat = 0,
- .mif3_mode = 3,
- .rst_to_cke = 0x23,
- .sde_to_rst = 0x10,
-};
-
-static void ccgr_init(void)
-{
- struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
-
- writel(0x00003F3F, &ccm->CCGR0);
- writel(0x0030FC00, &ccm->CCGR1);
- writel(0x000FC000, &ccm->CCGR2);
- writel(0x3F300000, &ccm->CCGR3);
- writel(0xFF00F300, &ccm->CCGR4);
- writel(0x0F0000C3, &ccm->CCGR5);
- writel(0x000003CC, &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]);
- /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
- writel(0x007F007F, &iomux->gpr[6]);
- writel(0x007F007F, &iomux->gpr[7]);
-}
-
-static void spl_dram_init(void)
-{
- if (is_mx6solo()) {
- mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
- mx6_dram_cfg(&mem_s, &mx6dl_mmdc_calib, &mt41j256);
- } else if (is_mx6dl()) {
- mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
- mx6_dram_cfg(&mem_dl, &mx6dl_mmdc_calib, &mt41j256);
- } else if (is_mx6dq()) {
- mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs);
- mx6_dram_cfg(&mem_q, &mx6dq_mmdc_calib, &mt41j256);
- }
-
- udelay(100);
-}
-
-void board_init_f(ulong dummy)
-{
- ccgr_init();
-
- /* setup AIPS and disable watchdog */
- arch_cpu_init();
-
- gpr_init();
-
- /* iomux */
- SETUP_IOMUX_PADS(uart4_pads);
-
- /* setup GP timer */
- timer_init();
-
- /* UART clocks enabled and gd valid - init serial console */
- preloader_console_init();
-
- /* DDR initialization */
- spl_dram_init();
-
- /* Clear the BSS. */
- memset(__bss_start, 0, __bss_end - __bss_start);
-
- /* load/boot image from boot device */
- board_init_r(NULL, 0);
-}
-#endif
+#endif /* CONFIG_SPL_BUILD */
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