diff options
Diffstat (limited to 'arch/arm/mach-imx/imx8ulp/soc.c')
| -rw-r--r-- | arch/arm/mach-imx/imx8ulp/soc.c | 117 |
1 files changed, 107 insertions, 10 deletions
diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c index bba6323f96..934b0ef038 100644 --- a/arch/arm/mach-imx/imx8ulp/soc.c +++ b/arch/arm/mach-imx/imx8ulp/soc.c @@ -23,6 +23,8 @@ #include <dm/uclass.h> #include <dm/device.h> #include <dm/uclass-internal.h> +#include <fuse.h> +#include <thermal.h> DECLARE_GLOBAL_DATA_PTR; @@ -210,11 +212,27 @@ int print_cpuinfo(void) cpurev = get_cpu_rev(); - printf("CPU: Freescale i.MX%s rev%d.%d at %d MHz\n", + printf("CPU: i.MX%s rev%d.%d at %d MHz\n", get_imx_type((cpurev & 0xFF000) >> 12), (cpurev & 0x000F0) >> 4, (cpurev & 0x0000F) >> 0, mxc_get_clock(MXC_ARM_CLK) / 1000000); +#if defined(CONFIG_IMX_PMC_TEMPERATURE) + struct udevice *udev; + int ret, temp; + + ret = uclass_get_device(UCLASS_THERMAL, 0, &udev); + if (!ret) { + ret = thermal_get_temp(udev, &temp); + if (!ret) + printf("CPU current temperature: %d\n", temp); + else + debug(" - failed to get CPU current temperature\n"); + } else { + debug(" - failed to get CPU current temperature\n"); + } +#endif + printf("Reset cause: %s\n", get_reset_cause(cause)); printf("Boot mode: "); @@ -462,28 +480,84 @@ static int trdc_set_access(void) /* Iomuxc0: : PBridge1 slot 33 */ trdc_mbc_set_access(2, 7, 1, 33, false); + /* flexspi0 */ + trdc_mrc_region_set_access(0, 7, 0x04000000, 0x0c000000, false); + + /* tpm0: PBridge1 slot 21 */ + trdc_mbc_set_access(2, 7, 1, 21, false); + /* lpi2c0: PBridge1 slot 24 */ + trdc_mbc_set_access(2, 7, 1, 24, false); return 0; } +void lpav_configure(void) +{ + /* LPAV to APD */ + setbits_le32(SIM_SEC_BASE_ADDR + 0x44, BIT(7)); + + /* PXP/GPU 2D/3D/DCNANO/MIPI_DSI/EPDC/HIFI4 to APD */ + setbits_le32(SIM_SEC_BASE_ADDR + 0x4c, 0x7F); + + /* LPAV slave/dma2 ch allocation and request allocation to APD */ + writel(0x1f, SIM_SEC_BASE_ADDR + 0x50); + writel(0xffffffff, SIM_SEC_BASE_ADDR + 0x54); + writel(0x003fffff, SIM_SEC_BASE_ADDR + 0x58); +} + +void load_lposc_fuse(void) +{ + int ret; + u32 val = 0, val2 = 0, reg; + + ret = fuse_read(25, 0, &val); + if (ret) + return; /* failed */ + + ret = fuse_read(25, 1, &val2); + if (ret) + return; /* failed */ + + /* LPOSCCTRL */ + reg = readl(0x2802f304); + reg &= ~0xff; + reg |= (val & 0xff); + writel(reg, 0x2802f304); +} + +void set_lpav_qos(void) +{ + /* Set read QoS of dcnano on LPAV NIC */ + writel(0xf, 0x2e447100); +} + int arch_cpu_init(void) { if (IS_ENABLED(CONFIG_SPL_BUILD)) { + u32 val = 0; + int ret; + bool rdc_en = true; /* Default assume DBD_EN is set */ + /* Disable wdog */ init_wdog(); + /* Read DBD_EN fuse */ + ret = fuse_read(8, 1, &val); + if (!ret) + rdc_en = !!(val & 0x4000); + if (get_boot_mode() == SINGLE_BOOT) { - release_rdc(RDC_TRDC); + if (rdc_en) + release_rdc(RDC_TRDC); + trdc_set_access(); - /* LPAV to APD */ - setbits_le32(0x2802B044, BIT(7)); - /* GPU 2D/3D to APD */ - setbits_le32(0x2802B04C, BIT(1) | BIT(2)); - /* DCNANO and MIPI_DSI to APD */ - setbits_le32(0x2802B04C, BIT(1) | BIT(2) | BIT(3) | BIT(4)); + + lpav_configure(); } - /* release xrdc, then allow A35 to write SRAM2 */ - release_rdc(RDC_XRDC); + /* Release xrdc, then allow A35 to write SRAM2 */ + if (rdc_en) + release_rdc(RDC_XRDC); + xrdc_mrc_region_set_access(2, CONFIG_SPL_TEXT_BASE, 0xE00); clock_init(); @@ -531,7 +605,30 @@ __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) { + u32 val[2] = {}; + int ret; + + ret = fuse_read(5, 3, &val[0]); + if (ret) + goto err; + + ret = fuse_read(5, 4, &val[1]); + if (ret) + goto err; + + mac[0] = val[0]; + mac[1] = val[0] >> 8; + mac[2] = val[0] >> 16; + mac[3] = val[0] >> 24; + mac[4] = val[1]; + mac[5] = val[1] >> 8; + + debug("%s: MAC%d: %02x.%02x.%02x.%02x.%02x.%02x\n", + __func__, dev_id, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); + return; +err: memset(mac, 0, 6); + printf("%s: fuse read err: %d\n", __func__, ret); } int (*card_emmc_is_boot_part_en)(void) = (void *)0x67cc; |