--- /dev/null
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/imx-common/boot_mode.h>
+#include <asm/imx-common/dma.h>
+#include <asm/arch/crm_regs.h>
+#include <dm.h>
+#include <imx_thermal.h>
+
+struct src *src_reg = (struct src *)SRC_BASE_ADDR;
+
+#if defined(CONFIG_IMX_THERMAL)
+static const struct imx_thermal_plat imx7_thermal_plat = {
+ .regs = (void *)ANATOP_BASE_ADDR,
+ .fuse_bank = 3,
+ .fuse_word = 3,
+};
+
+U_BOOT_DEVICE(imx7_thermal) = {
+ .name = "imx_thermal",
+ .platdata = &imx7_thermal_plat,
+};
+#endif
+
+/*
+ * OCOTP_TESTER3[9:8] (see Fusemap Description Table offset 0x440)
+ * defines a 2-bit SPEED_GRADING
+ */
+#define OCOTP_TESTER3_SPEED_SHIFT 8
+#define OCOTP_TESTER3_SPEED_800MHZ 0
+#define OCOTP_TESTER3_SPEED_850MHZ 1
+#define OCOTP_TESTER3_SPEED_1GHZ 2
+
+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;
+ val &= 0x3;
+
+ switch(val) {
+ case OCOTP_TESTER3_SPEED_800MHZ:
+ return 792000000;
+ case OCOTP_TESTER3_SPEED_850MHZ:
+ return 852000000;
+ case OCOTP_TESTER3_SPEED_1GHZ:
+ return 996000000;
+ }
+ 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;
+}
+
+u32 get_cpu_rev(void)
+{
+ struct mxc_ccm_anatop_reg *ccm_anatop = (struct mxc_ccm_anatop_reg *)
+ ANATOP_BASE_ADDR;
+ u32 reg = readl(&ccm_anatop->digprog);
+ u32 type = (reg >> 16) & 0xff;
+
+ reg &= 0xff;
+ return (type << 12) | reg;
+}
+
+#ifdef CONFIG_REVISION_TAG
+u32 __weak get_board_rev(void)
+{
+ return get_cpu_rev();
+}
+#endif
+
+int arch_cpu_init(void)
+{
+ init_aips();
+
+ /* Disable PDE bit of WMCR register */
+ imx_set_wdog_powerdown(false);
+
+#ifdef CONFIG_APBH_DMA
+ /* Start APBH DMA */
+ mxs_dma_init();
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_SERIAL_TAG
+void get_board_serial(struct tag_serialnr *serialnr)
+{
+ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+ struct fuse_bank *bank = &ocotp->bank[0];
+ struct fuse_bank0_regs *fuse =
+ (struct fuse_bank0_regs *)bank->fuse_regs;
+
+ serialnr->low = fuse->tester0;
+ serialnr->high = fuse->tester1;
+}
+#endif
+
+#if defined(CONFIG_FEC_MXC)
+void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
+{
+ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+ struct fuse_bank *bank = &ocotp->bank[9];
+ struct fuse_bank9_regs *fuse =
+ (struct fuse_bank9_regs *)bank->fuse_regs;
+
+ if (0 == dev_id) {
+ u32 value = readl(&fuse->mac_addr1);
+ mac[0] = (value >> 8);
+ mac[1] = value;
+
+ value = readl(&fuse->mac_addr0);
+ mac[2] = value >> 24;
+ mac[3] = value >> 16;
+ mac[4] = value >> 8;
+ mac[5] = value;
+ } else {
+ u32 value = readl(&fuse->mac_addr2);
+ mac[0] = value >> 24;
+ mac[1] = value >> 16;
+ mac[2] = value >> 8;
+ mac[3] = value;
+
+ value = readl(&fuse->mac_addr1);
+ mac[4] = value >> 24;
+ mac[5] = value >> 16;
+ }
+}
+#endif
+
+void set_wdog_reset(struct wdog_regs *wdog)
+{
+ u32 reg = readw(&wdog->wcr);
+ /*
+ * Output WDOG_B signal to reset external pmic or POR_B decided by
+ * the board desgin. Without external reset, the peripherals/DDR/
+ * PMIC are not reset, that may cause system working abnormal.
+ */
+ reg = readw(&wdog->wcr);
+ reg |= 1 << 3;
+ /*
+ * WDZST bit is write-once only bit. Align this bit in kernel,
+ * otherwise kernel code will have no chance to set this bit.
+ */
+ reg |= 1 << 0;
+ writew(reg, &wdog->wcr);
+}
+
+/*
+ * cfg_val will be used for
+ * Boot_cfg4[7:0]:Boot_cfg3[7:0]:Boot_cfg2[7:0]:Boot_cfg1[7:0]
+ * After reset, if GPR10[28] is 1, ROM will copy GPR9[25:0]
+ * to SBMR1, which will determine the boot device.
+ */
+const struct boot_mode soc_boot_modes[] = {
+ {"ecspi1:0", MAKE_CFGVAL(0x00, 0x60, 0x00, 0x00)},
+ {"ecspi1:1", MAKE_CFGVAL(0x40, 0x62, 0x00, 0x00)},
+ {"ecspi1:2", MAKE_CFGVAL(0x80, 0x64, 0x00, 0x00)},
+ {"ecspi1:3", MAKE_CFGVAL(0xc0, 0x66, 0x00, 0x00)},
+
+ {"weim", MAKE_CFGVAL(0x00, 0x50, 0x00, 0x00)},
+ {"qspi1", MAKE_CFGVAL(0x10, 0x40, 0x00, 0x00)},
+ /* 4 bit bus width */
+ {"usdhc1", MAKE_CFGVAL(0x10, 0x10, 0x00, 0x00)},
+ {"usdhc2", MAKE_CFGVAL(0x10, 0x14, 0x00, 0x00)},
+ {"usdhc3", MAKE_CFGVAL(0x10, 0x18, 0x00, 0x00)},
+ {"mmc1", MAKE_CFGVAL(0x10, 0x20, 0x00, 0x00)},
+ {"mmc2", MAKE_CFGVAL(0x10, 0x24, 0x00, 0x00)},
+ {"mmc3", MAKE_CFGVAL(0x10, 0x28, 0x00, 0x00)},
+ {NULL, 0},
+};
+
+enum boot_device get_boot_device(void)
+{
+ struct bootrom_sw_info **p =
+ (struct bootrom_sw_info **)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;
+ default:
+ break;
+ }
+
+ return boot_dev;
+}
+
+void s_init(void)
+{
+#if !defined CONFIG_SPL_BUILD
+ /* Enable SMP mode for CPU0, by setting bit 6 of Auxiliary Ctl reg */
+ asm volatile(
+ "mrc p15, 0, r0, c1, c0, 1\n"
+ "orr r0, r0, #1 << 6\n"
+ "mcr p15, 0, r0, c1, c0, 1\n");
+#endif
+ /* clock configuration. */
+ clock_init();
+
+ return;
+}
projects / u-boot.git / commitdiff