// SPDX-License-Identifier: GPL-2.0+
/*
- * Copyright 2017 NXP
+ * Copyright 2017-2019 NXP
*
* Peng Fan <peng.fan@nxp.com>
*/
#include <common.h>
+#include <cpu_func.h>
+#include <init.h>
+#include <log.h>
#include <asm/arch/imx-regs.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/mach-imx/boot_mode.h>
#include <asm/mach-imx/syscounter.h>
#include <asm/armv8/mmu.h>
+#include <dm/uclass.h>
#include <errno.h>
#include <fdt_support.h>
#include <fsl_wdog.h>
#include <imx_sip.h>
+#include <linux/bitops.h>
DECLARE_GLOBAL_DATA_PTR;
-#if defined(CONFIG_SECURE_BOOT)
+#if defined(CONFIG_IMX_HAB)
struct imx_sec_config_fuse_t const imx_sec_config_fuse = {
.bank = 1,
.word = 3,
/* Enable TZASC and lock setting */
setbits_le32(&gpr->gpr[10], GPR_TZASC_EN);
setbits_le32(&gpr->gpr[10], GPR_TZASC_EN_LOCK);
+ if (is_imx8mm() || is_imx8mn() || is_imx8mp())
+ setbits_le32(&gpr->gpr[10], BIT(1));
+ /*
+ * set Region 0 attribute to allow secure and non-secure
+ * read/write permission. Found some masters like usb dwc3
+ * controllers can't work with secure memory.
+ */
+ writel(0xf0000000, TZASC_BASE_ADDR + 0x108);
}
void set_wdog_reset(struct wdog_regs *wdog)
/* DRAM1 */
.virt = 0x40000000UL,
.phys = 0x40000000UL,
- .size = 0xC0000000UL,
+ .size = PHYS_SDRAM_SIZE,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_OUTER_SHARE
+#ifdef PHYS_SDRAM_2_SIZE
}, {
/* DRAM2 */
.virt = 0x100000000UL,
.phys = 0x100000000UL,
- .size = 0x040000000UL,
+ .size = PHYS_SDRAM_2_SIZE,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_OUTER_SHARE
+#endif
}, {
/* List terminator */
0,
struct mm_region *mem_map = imx8m_mem_map;
+void enable_caches(void)
+{
+ /*
+ * If OPTEE runs, remove OPTEE memory from MMU table to
+ * avoid speculative prefetch. OPTEE runs at the top of
+ * the first memory bank
+ */
+ if (rom_pointer[1])
+ imx8m_mem_map[5].size -= rom_pointer[1];
+
+ icache_enable();
+ dcache_enable();
+}
+
+static u32 get_cpu_variant_type(u32 type)
+{
+ 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;
+
+ u32 value = readl(&fuse->tester4);
+
+ if (type == MXC_CPU_IMX8MQ) {
+ if ((value & 0x3) == 0x2)
+ return MXC_CPU_IMX8MD;
+ else if (value & 0x200000)
+ return MXC_CPU_IMX8MQL;
+
+ } else if (type == MXC_CPU_IMX8MM) {
+ switch (value & 0x3) {
+ case 2:
+ if (value & 0x1c0000)
+ return MXC_CPU_IMX8MMDL;
+ else
+ return MXC_CPU_IMX8MMD;
+ case 3:
+ if (value & 0x1c0000)
+ return MXC_CPU_IMX8MMSL;
+ else
+ return MXC_CPU_IMX8MMS;
+ default:
+ if (value & 0x1c0000)
+ return MXC_CPU_IMX8MML;
+ break;
+ }
+ } else if (type == MXC_CPU_IMX8MN) {
+ switch (value & 0x3) {
+ case 2:
+ if (value & 0x1000000)
+ return MXC_CPU_IMX8MNDL;
+ else
+ return MXC_CPU_IMX8MND;
+ case 3:
+ if (value & 0x1000000)
+ return MXC_CPU_IMX8MNSL;
+ else
+ return MXC_CPU_IMX8MNS;
+ default:
+ if (value & 0x1000000)
+ return MXC_CPU_IMX8MNL;
+ break;
+ }
+ }
+
+ return type;
+}
+
u32 get_cpu_rev(void)
{
struct anamix_pll *ana_pll = (struct anamix_pll *)ANATOP_BASE_ADDR;
u32 reg = readl(&ana_pll->digprog);
u32 type = (reg >> 16) & 0xff;
+ u32 major_low = (reg >> 8) & 0xff;
u32 rom_version;
reg &= 0xff;
- if (reg == CHIP_REV_1_0) {
- /*
- * For B0 chip, the DIGPROG is not updated, still TO1.0.
- * we have to check ROM version further
- */
- rom_version = readl((void __iomem *)ROM_VERSION_A0);
- if (rom_version != CHIP_REV_1_0) {
- rom_version = readl((void __iomem *)ROM_VERSION_B0);
- if (rom_version >= CHIP_REV_2_0)
- reg = CHIP_REV_2_0;
+ /* iMX8MP */
+ if (major_low == 0x43) {
+ return (MXC_CPU_IMX8MP << 12) | reg;
+ } else if (major_low == 0x42) {
+ /* iMX8MN */
+ type = get_cpu_variant_type(MXC_CPU_IMX8MN);
+ } else if (major_low == 0x41) {
+ type = get_cpu_variant_type(MXC_CPU_IMX8MM);
+ } else {
+ if (reg == CHIP_REV_1_0) {
+ /*
+ * For B0 chip, the DIGPROG is not updated,
+ * it is still TO1.0. we have to check ROM
+ * version or OCOTP_READ_FUSE_DATA.
+ * 0xff0055aa is magic number for B1.
+ */
+ if (readl((void __iomem *)(OCOTP_BASE_ADDR + 0x40)) == 0xff0055aa) {
+ reg = CHIP_REV_2_1;
+ } else {
+ rom_version =
+ readl((void __iomem *)ROM_VERSION_A0);
+ if (rom_version != CHIP_REV_1_0) {
+ rom_version = readl((void __iomem *)ROM_VERSION_B0);
+ rom_version &= 0xff;
+ if (rom_version == CHIP_REV_2_0)
+ reg = CHIP_REV_2_0;
+ }
+ }
}
+
+ type = get_cpu_variant_type(type);
}
return (type << 12) | reg;
writew(enable, &wdog3->wmcr);
}
+int arch_cpu_init_dm(void)
+{
+ struct udevice *dev;
+ int ret;
+
+ if (CONFIG_IS_ENABLED(CLK)) {
+ ret = uclass_get_device_by_name(UCLASS_CLK,
+ "clock-controller@30380000",
+ &dev);
+ if (ret < 0) {
+ printf("Failed to find clock node. Check device tree\n");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
int arch_cpu_init(void)
{
+ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+ /*
+ * ROM might disable clock for SCTR,
+ * enable the clock before timer_init.
+ */
+ if (IS_ENABLED(CONFIG_SPL_BUILD))
+ clock_enable(CCGR_SCTR, 1);
/*
* Init timer at very early state, because sscg pll setting
* will use it
imx_set_wdog_powerdown(false);
}
+ if (is_imx8mq()) {
+ clock_enable(CCGR_OCOTP, 1);
+ if (readl(&ocotp->ctrl) & 0x200)
+ writel(0x200, &ocotp->ctrl_clr);
+ }
+
return 0;
}
+#if defined(CONFIG_IMX8MN) || defined(CONFIG_IMX8MP)
+struct rom_api *g_rom_api = (struct rom_api *)0x980;
+
+enum boot_device get_boot_device(void)
+{
+ volatile gd_t *pgd = gd;
+ int ret;
+ u32 boot;
+ u16 boot_type;
+ u8 boot_instance;
+ enum boot_device boot_dev = SD1_BOOT;
+
+ ret = g_rom_api->query_boot_infor(QUERY_BT_DEV, &boot,
+ ((uintptr_t)&boot) ^ QUERY_BT_DEV);
+ gd = pgd;
+
+ if (ret != ROM_API_OKAY) {
+ puts("ROMAPI: failure at query_boot_info\n");
+ return -1;
+ }
+
+ boot_type = boot >> 16;
+ boot_instance = (boot >> 8) & 0xff;
+
+ switch (boot_type) {
+ case BT_DEV_TYPE_SD:
+ boot_dev = boot_instance + SD1_BOOT;
+ break;
+ case BT_DEV_TYPE_MMC:
+ boot_dev = boot_instance + MMC1_BOOT;
+ break;
+ case BT_DEV_TYPE_NAND:
+ boot_dev = NAND_BOOT;
+ break;
+ case BT_DEV_TYPE_FLEXSPINOR:
+ boot_dev = QSPI_BOOT;
+ break;
+ case BT_DEV_TYPE_USB:
+ boot_dev = USB_BOOT;
+ break;
+ default:
+ break;
+ }
+
+ return boot_dev;
+}
+#endif
+
bool is_usb_boot(void)
{
return get_boot_device() == USB_BOOT;
if (nodeoff < 0)
continue; /* Not found, skip it */
- printf("Found %s node\n", nodes_path[i]);
+ debug("Found %s node\n", nodes_path[i]);
rc = fdt_delprop(blob, nodeoff, "cpu-idle-states");
+ if (rc == -FDT_ERR_NOTFOUND)
+ continue;
if (rc) {
printf("Unable to update property %s:%s, err=%s\n",
nodes_path[i], "status", fdt_strerror(rc));
return rc;
}
- printf("Remove %s:%s\n", nodes_path[i],
+ debug("Remove %s:%s\n", nodes_path[i],
"cpu-idle-states");
}
}
}
#endif
+#if !CONFIG_IS_ENABLED(SYSRESET)
void reset_cpu(ulong addr)
{
struct watchdog_regs *wdog = (struct watchdog_regs *)WDOG1_BASE_ADDR;
/* Clear WDA to trigger WDOG_B immediately */
- writew((WCR_WDE | WCR_SRS), &wdog->wcr);
+ writew((SET_WCR_WT(1) | WCR_WDT | WCR_WDE | WCR_SRS), &wdog->wcr);
while (1) {
/*
*/
}
}
+#endif
+
+#if defined(CONFIG_ARCH_MISC_INIT)
+static void acquire_buildinfo(void)
+{
+ u64 atf_commit = 0;
+
+ /* Get ARM Trusted Firmware commit id */
+ atf_commit = call_imx_sip(IMX_SIP_BUILDINFO,
+ IMX_SIP_BUILDINFO_GET_COMMITHASH, 0, 0, 0);
+ if (atf_commit == 0xffffffff) {
+ debug("ATF does not support build info\n");
+ atf_commit = 0x30; /* Display 0, 0 ascii is 0x30 */
+ }
+
+ printf("\n BuildInfo:\n - ATF %s\n\n", (char *)&atf_commit);
+}
+
+int arch_misc_init(void)
+{
+ acquire_buildinfo();
+
+ return 0;
+}
+#endif
+
+void imx_tmu_arch_init(void *reg_base)
+{
+ if (is_imx8mm() || is_imx8mn()) {
+ /* Load TCALIV and TASR from fuses */
+ struct ocotp_regs *ocotp =
+ (struct ocotp_regs *)OCOTP_BASE_ADDR;
+ struct fuse_bank *bank = &ocotp->bank[3];
+ struct fuse_bank3_regs *fuse =
+ (struct fuse_bank3_regs *)bank->fuse_regs;
+
+ u32 tca_rt, tca_hr, tca_en;
+ u32 buf_vref, buf_slope;
+
+ tca_rt = fuse->ana0 & 0xFF;
+ tca_hr = (fuse->ana0 & 0xFF00) >> 8;
+ tca_en = (fuse->ana0 & 0x2000000) >> 25;
+
+ buf_vref = (fuse->ana0 & 0x1F00000) >> 20;
+ buf_slope = (fuse->ana0 & 0xF0000) >> 16;
+
+ writel(buf_vref | (buf_slope << 16), (ulong)reg_base + 0x28);
+ writel((tca_en << 31) | (tca_hr << 16) | tca_rt,
+ (ulong)reg_base + 0x30);
+ }
+#ifdef CONFIG_IMX8MP
+ /* Load TCALIV0/1/m40 and TRIM from fuses */
+ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+ struct fuse_bank *bank = &ocotp->bank[38];
+ struct fuse_bank38_regs *fuse =
+ (struct fuse_bank38_regs *)bank->fuse_regs;
+ struct fuse_bank *bank2 = &ocotp->bank[39];
+ struct fuse_bank39_regs *fuse2 =
+ (struct fuse_bank39_regs *)bank2->fuse_regs;
+ u32 buf_vref, buf_slope, bjt_cur, vlsb, bgr;
+ u32 reg;
+ u32 tca40[2], tca25[2], tca105[2];
+
+ /* For blank sample */
+ if (!fuse->ana_trim2 && !fuse->ana_trim3 &&
+ !fuse->ana_trim4 && !fuse2->ana_trim5) {
+ /* Use a default 25C binary codes */
+ tca25[0] = 1596;
+ tca25[1] = 1596;
+ writel(tca25[0], (ulong)reg_base + 0x30);
+ writel(tca25[1], (ulong)reg_base + 0x34);
+ return;
+ }
+
+ buf_vref = (fuse->ana_trim2 & 0xc0) >> 6;
+ buf_slope = (fuse->ana_trim2 & 0xF00) >> 8;
+ bjt_cur = (fuse->ana_trim2 & 0xF000) >> 12;
+ bgr = (fuse->ana_trim2 & 0xF0000) >> 16;
+ vlsb = (fuse->ana_trim2 & 0xF00000) >> 20;
+ writel(buf_vref | (buf_slope << 16), (ulong)reg_base + 0x28);
+
+ reg = (bgr << 28) | (bjt_cur << 20) | (vlsb << 12) | (1 << 7);
+ writel(reg, (ulong)reg_base + 0x3c);
+
+ tca40[0] = (fuse->ana_trim3 & 0xFFF0000) >> 16;
+ tca25[0] = (fuse->ana_trim3 & 0xF0000000) >> 28;
+ tca25[0] |= ((fuse->ana_trim4 & 0xFF) << 4);
+ tca105[0] = (fuse->ana_trim4 & 0xFFF00) >> 8;
+ tca40[1] = (fuse->ana_trim4 & 0xFFF00000) >> 20;
+ tca25[1] = fuse2->ana_trim5 & 0xFFF;
+ tca105[1] = (fuse2->ana_trim5 & 0xFFF000) >> 12;
+
+ /* use 25c for 1p calibration */
+ writel(tca25[0] | (tca105[0] << 16), (ulong)reg_base + 0x30);
+ writel(tca25[1] | (tca105[1] << 16), (ulong)reg_base + 0x34);
+ writel(tca40[0] | (tca40[1] << 16), (ulong)reg_base + 0x38);
+#endif
+}
projects / oweals / u-boot.git / blobdiff