+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2007
* Sascha Hauer, Pengutronix
*
* (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <bootm.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/crm_regs.h>
+#include <asm/mach-imx/boot_mode.h>
#include <imx_thermal.h>
#include <ipu_pixfmt.h>
#include <thermal.h>
#include <sata.h>
-#ifdef CONFIG_FSL_ESDHC
-#include <fsl_esdhc.h>
+#ifdef CONFIG_FSL_ESDHC_IMX
+#include <fsl_esdhc_imx.h>
#endif
-#if defined(CONFIG_DISPLAY_CPUINFO) && !defined(CONFIG_SPL_BUILD)
static u32 reset_cause = -1;
-static char *get_reset_cause(void)
+u32 get_imx_reset_cause(void)
{
- u32 cause;
struct src *src_regs = (struct src *)SRC_BASE_ADDR;
- cause = readl(&src_regs->srsr);
- writel(cause, &src_regs->srsr);
- reset_cause = cause;
+ if (reset_cause == -1) {
+ reset_cause = readl(&src_regs->srsr);
+/* preserve the value for U-Boot proper */
+#if !defined(CONFIG_SPL_BUILD)
+ writel(reset_cause, &src_regs->srsr);
+#endif
+ }
+
+ return reset_cause;
+}
- switch (cause) {
+#if defined(CONFIG_DISPLAY_CPUINFO) && !defined(CONFIG_SPL_BUILD)
+static char *get_reset_cause(void)
+{
+ switch (get_imx_reset_cause()) {
case 0x00001:
case 0x00011:
return "POR";
return "WDOG4";
case 0x00200:
return "TEMPSENSE";
+#elif defined(CONFIG_IMX8M)
+ case 0x00100:
+ return "WDOG2";
+ case 0x00200:
+ return "TEMPSENSE";
#else
case 0x00100:
return "TEMPSENSE";
return "unknown reset";
}
}
-
-u32 get_imx_reset_cause(void)
-{
- return reset_cause;
-}
-#endif
-
-#if defined(CONFIG_MX53) || defined(CONFIG_MX6)
-#if defined(CONFIG_MX53)
-#define MEMCTL_BASE ESDCTL_BASE_ADDR
-#else
-#define MEMCTL_BASE MMDC_P0_BASE_ADDR
-#endif
-static const unsigned char col_lookup[] = {9, 10, 11, 8, 12, 9, 9, 9};
-static const unsigned char bank_lookup[] = {3, 2};
-
-/* these MMDC registers are common to the IMX53 and IMX6 */
-struct esd_mmdc_regs {
- uint32_t ctl;
- uint32_t pdc;
- uint32_t otc;
- uint32_t cfg0;
- uint32_t cfg1;
- uint32_t cfg2;
- uint32_t misc;
-};
-
-#define ESD_MMDC_CTL_GET_ROW(mdctl) ((ctl >> 24) & 7)
-#define ESD_MMDC_CTL_GET_COLUMN(mdctl) ((ctl >> 20) & 7)
-#define ESD_MMDC_CTL_GET_WIDTH(mdctl) ((ctl >> 16) & 3)
-#define ESD_MMDC_CTL_GET_CS1(mdctl) ((ctl >> 30) & 1)
-#define ESD_MMDC_MISC_GET_BANK(mdmisc) ((misc >> 5) & 1)
-
-/*
- * imx_ddr_size - return size in bytes of DRAM according MMDC config
- * The MMDC MDCTL register holds the number of bits for row, col, and data
- * width and the MMDC MDMISC register holds the number of banks. Combine
- * all these bits to determine the meme size the MMDC has been configured for
- */
-unsigned imx_ddr_size(void)
-{
- struct esd_mmdc_regs *mem = (struct esd_mmdc_regs *)MEMCTL_BASE;
- unsigned ctl = readl(&mem->ctl);
- unsigned misc = readl(&mem->misc);
- int bits = 11 + 0 + 0 + 1; /* row + col + bank + width */
-
- bits += ESD_MMDC_CTL_GET_ROW(ctl);
- bits += col_lookup[ESD_MMDC_CTL_GET_COLUMN(ctl)];
- bits += bank_lookup[ESD_MMDC_MISC_GET_BANK(misc)];
- bits += ESD_MMDC_CTL_GET_WIDTH(ctl);
- bits += ESD_MMDC_CTL_GET_CS1(ctl);
-
- /* The MX6 can do only 3840 MiB of DRAM */
- if (bits == 32)
- return 0xf0000000;
-
- return 1 << bits;
-}
#endif
#if defined(CONFIG_DISPLAY_CPUINFO) && !defined(CONFIG_SPL_BUILD)
const char *get_imx_type(u32 imxtype)
{
switch (imxtype) {
+ case MXC_CPU_IMX8MP:
+ return "8MP"; /* Quad-core version of the imx8mp */
+ case MXC_CPU_IMX8MN:
+ return "8MNano Quad"; /* Quad-core version */
+ case MXC_CPU_IMX8MND:
+ return "8MNano Dual"; /* Dual-core version */
+ case MXC_CPU_IMX8MNS:
+ return "8MNano Solo"; /* Single-core version */
+ case MXC_CPU_IMX8MNL:
+ return "8MNano QuadLite"; /* Quad-core Lite version */
+ case MXC_CPU_IMX8MNDL:
+ return "8MNano DualLite"; /* Dual-core Lite version */
+ case MXC_CPU_IMX8MNSL:
+ return "8MNano SoloLite"; /* Single-core Lite version */
+ case MXC_CPU_IMX8MM:
+ return "8MMQ"; /* Quad-core version of the imx8mm */
+ case MXC_CPU_IMX8MML:
+ return "8MMQL"; /* Quad-core Lite version of the imx8mm */
+ case MXC_CPU_IMX8MMD:
+ return "8MMD"; /* Dual-core version of the imx8mm */
+ case MXC_CPU_IMX8MMDL:
+ return "8MMDL"; /* Dual-core Lite version of the imx8mm */
+ case MXC_CPU_IMX8MMS:
+ return "8MMS"; /* Single-core version of the imx8mm */
+ case MXC_CPU_IMX8MMSL:
+ return "8MMSL"; /* Single-core Lite version of the imx8mm */
+ case MXC_CPU_IMX8MQ:
+ return "8MQ"; /* Quad-core version of the imx8mq */
+ case MXC_CPU_IMX8MQL:
+ return "8MQLite"; /* Quad-core Lite version of the imx8mq */
+ case MXC_CPU_IMX8MD:
+ return "8MD"; /* Dual-core version of the imx8mq */
case MXC_CPU_MX7S:
return "7S"; /* Single-core version of the mx7 */
case MXC_CPU_MX7D:
return "6UL"; /* Ultra-Lite version of the mx6 */
case MXC_CPU_MX6ULL:
return "6ULL"; /* ULL version of the mx6 */
+ case MXC_CPU_MX6ULZ:
+ return "6ULZ"; /* ULZ version of the mx6 */
case MXC_CPU_MX51:
return "51";
case MXC_CPU_MX53:
cpurev = get_cpu_rev();
-#if defined(CONFIG_IMX_THERMAL)
+#if defined(CONFIG_IMX_THERMAL) || defined(CONFIG_IMX_TMU)
struct udevice *thermal_dev;
int cpu_tmp, minc, maxc, ret;
printf("CPU: Freescale i.MX%s rev%d.%d",
- get_imx_type((cpurev & 0xFF000) >> 12),
+ get_imx_type((cpurev & 0x1FF000) >> 12),
(cpurev & 0x000F0) >> 4,
(cpurev & 0x0000F) >> 0);
max_freq = get_cpu_speed_grade_hz();
}
#else
printf("CPU: Freescale i.MX%s rev%d.%d at %d MHz\n",
- get_imx_type((cpurev & 0xFF000) >> 12),
+ get_imx_type((cpurev & 0x1FF000) >> 12),
(cpurev & 0x000F0) >> 4,
(cpurev & 0x0000F) >> 0,
mxc_get_clock(MXC_ARM_CLK) / 1000000);
#endif
-#if defined(CONFIG_IMX_THERMAL)
+#if defined(CONFIG_IMX_THERMAL) || defined(CONFIG_IMX_TMU)
puts("CPU: ");
switch (get_cpu_temp_grade(&minc, &maxc)) {
case TEMP_AUTOMOTIVE:
return rc;
}
-#ifdef CONFIG_FSL_ESDHC
+#ifdef CONFIG_FSL_ESDHC_IMX
/*
* Initializes on-chip MMC controllers.
* to override, implement board_mmc_init()
}
#endif
-#ifndef CONFIG_MX7
+#if !(defined(CONFIG_MX7) || defined(CONFIG_IMX8M))
u32 get_ahb_clk(void)
{
struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
void arch_preboot_os(void)
{
-#if defined(CONFIG_PCIE_IMX)
+#if defined(CONFIG_PCIE_IMX) && !CONFIG_IS_ENABLED(DM_PCI)
imx_pcie_remove();
#endif
#if defined(CONFIG_SATA)
- sata_remove(0);
+ if (!is_mx6sdl()) {
+ sata_remove(0);
#if defined(CONFIG_MX6)
- disable_sata_clock();
+ disable_sata_clock();
#endif
+ }
#endif
#if defined(CONFIG_VIDEO_IPUV3)
/* disable video before launching O/S */
ipuv3_fb_shutdown();
#endif
-#if defined(CONFIG_VIDEO_MXS)
+#if defined(CONFIG_VIDEO_MXS) && !defined(CONFIG_DM_VIDEO)
lcdif_power_down();
#endif
}
+#ifndef CONFIG_IMX8M
void set_chipselect_size(int const cs_size)
{
unsigned int reg;
writel(reg, &iomuxc_regs->gpr[1]);
}
+#endif
+
+#if defined(CONFIG_MX7) || defined(CONFIG_IMX8M)
+/*
+ * OCOTP_TESTER3[9:8] (see Fusemap Description Table offset 0x440)
+ * defines a 2-bit SPEED_GRADING
+ */
+#define OCOTP_TESTER3_SPEED_SHIFT 8
+enum cpu_speed {
+ OCOTP_TESTER3_SPEED_GRADE0,
+ OCOTP_TESTER3_SPEED_GRADE1,
+ OCOTP_TESTER3_SPEED_GRADE2,
+ OCOTP_TESTER3_SPEED_GRADE3,
+ OCOTP_TESTER3_SPEED_GRADE4,
+};
+
+u32 get_cpu_speed_grade_hz(void)
+{
+ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+ struct fuse_bank *bank = &ocotp->bank[1];
+ struct fuse_bank1_regs *fuse =
+ (struct fuse_bank1_regs *)bank->fuse_regs;
+ uint32_t val;
+
+ val = readl(&fuse->tester3);
+ val >>= OCOTP_TESTER3_SPEED_SHIFT;
+
+ if (is_imx8mn() || is_imx8mp()) {
+ val &= 0xf;
+ return 2300000000 - val * 100000000;
+ }
+
+ if (is_imx8mm())
+ val &= 0x7;
+ else
+ val &= 0x3;
+
+ switch(val) {
+ case OCOTP_TESTER3_SPEED_GRADE0:
+ return 800000000;
+ case OCOTP_TESTER3_SPEED_GRADE1:
+ return (is_mx7() ? 500000000 : (is_imx8mq() ? 1000000000 : 1200000000));
+ case OCOTP_TESTER3_SPEED_GRADE2:
+ return (is_mx7() ? 1000000000 : (is_imx8mq() ? 1300000000 : 1600000000));
+ case OCOTP_TESTER3_SPEED_GRADE3:
+ return (is_mx7() ? 1200000000 : (is_imx8mq() ? 1500000000 : 1800000000));
+ case OCOTP_TESTER3_SPEED_GRADE4:
+ return 2000000000;
+ }
+
+ return 0;
+}
+
+/*
+ * OCOTP_TESTER3[7:6] (see Fusemap Description Table offset 0x440)
+ * defines a 2-bit SPEED_GRADING
+ */
+#define OCOTP_TESTER3_TEMP_SHIFT 6
+
+u32 get_cpu_temp_grade(int *minc, int *maxc)
+{
+ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+ struct fuse_bank *bank = &ocotp->bank[1];
+ struct fuse_bank1_regs *fuse =
+ (struct fuse_bank1_regs *)bank->fuse_regs;
+ uint32_t val;
+
+ val = readl(&fuse->tester3);
+ val >>= OCOTP_TESTER3_TEMP_SHIFT;
+ val &= 0x3;
+
+ if (minc && maxc) {
+ if (val == TEMP_AUTOMOTIVE) {
+ *minc = -40;
+ *maxc = 125;
+ } else if (val == TEMP_INDUSTRIAL) {
+ *minc = -40;
+ *maxc = 105;
+ } else if (val == TEMP_EXTCOMMERCIAL) {
+ *minc = -20;
+ *maxc = 105;
+ } else {
+ *minc = 0;
+ *maxc = 95;
+ }
+ }
+ return val;
+}
+#endif
+
+#if defined(CONFIG_MX7) || defined(CONFIG_IMX8MQ) || defined(CONFIG_IMX8MM)
+enum boot_device get_boot_device(void)
+{
+ struct bootrom_sw_info **p =
+ (struct bootrom_sw_info **)(ulong)ROM_SW_INFO_ADDR;
+
+ enum boot_device boot_dev = SD1_BOOT;
+ u8 boot_type = (*p)->boot_dev_type;
+ u8 boot_instance = (*p)->boot_dev_instance;
+
+ switch (boot_type) {
+ case BOOT_TYPE_SD:
+ boot_dev = boot_instance + SD1_BOOT;
+ break;
+ case BOOT_TYPE_MMC:
+ boot_dev = boot_instance + MMC1_BOOT;
+ break;
+ case BOOT_TYPE_NAND:
+ boot_dev = NAND_BOOT;
+ break;
+ case BOOT_TYPE_QSPI:
+ boot_dev = QSPI_BOOT;
+ break;
+ case BOOT_TYPE_WEIM:
+ boot_dev = WEIM_NOR_BOOT;
+ break;
+ case BOOT_TYPE_SPINOR:
+ boot_dev = SPI_NOR_BOOT;
+ break;
+#ifdef CONFIG_IMX8M
+ case BOOT_TYPE_USB:
+ boot_dev = USB_BOOT;
+ break;
+#endif
+ default:
+ break;
+ }
+
+ return boot_dev;
+}
+#endif
#ifdef CONFIG_NXP_BOARD_REVISION
int nxp_board_rev(void)