#include <common.h>
#include <clk.h>
#include <cpu.h>
+#include <cpu_func.h>
#include <dm.h>
+#include <init.h>
#include <dm/device-internal.h>
#include <dm/lists.h>
#include <dm/uclass.h>
#include <errno.h>
+#include <thermal.h>
#include <asm/arch/sci/sci.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch-imx/cpu.h>
int node, ret;
node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "fsl,imx8-mu");
- ret = device_bind_driver_to_node(gd->dm_root, "imx8_scu", "imx8_scu",
- offset_to_ofnode(node), &devp);
+ ret = uclass_get_device_by_of_offset(UCLASS_MISC, node, &devp);
if (ret) {
- printf("could not find scu %d\n", ret);
+ printf("could not get scu %d\n", ret);
return ret;
}
- ret = device_probe(devp);
- if (ret) {
- printf("scu probe failed %d\n", ret);
- return ret;
+ if (is_imx8qm()) {
+ ret = sc_pm_set_resource_power_mode(-1, SC_R_SMMU,
+ SC_PM_PW_MODE_ON);
+ if (ret)
+ return ret;
}
return 0;
phys_size_t get_effective_memsize(void)
{
sc_rm_mr_t mr;
- sc_faddr_t start, end, end1;
+ sc_faddr_t start, end, end1, start_aligned;
int err;
end1 = (sc_faddr_t)PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE;
for (mr = 0; mr < 64; mr++) {
err = get_owned_memreg(mr, &start, &end);
if (!err) {
- start = roundup(start, MEMSTART_ALIGNMENT);
+ start_aligned = roundup(start, MEMSTART_ALIGNMENT);
/* Too small memory region, not use it */
- if (start > end)
+ if (start_aligned > end)
continue;
/* Find the memory region runs the U-Boot */
}
#endif
+#if defined(CONFIG_IMX8QM)
+#define FUSE_MAC0_WORD0 452
+#define FUSE_MAC0_WORD1 453
+#define FUSE_MAC1_WORD0 454
+#define FUSE_MAC1_WORD1 455
+#elif defined(CONFIG_IMX8QXP)
#define FUSE_MAC0_WORD0 708
#define FUSE_MAC0_WORD1 709
#define FUSE_MAC1_WORD0 710
#define FUSE_MAC1_WORD1 711
+#endif
void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
{
return (id << 12) | rev;
}
-
-#if CONFIG_IS_ENABLED(CPU)
-struct cpu_imx_platdata {
- const char *name;
- const char *rev;
- const char *type;
- u32 cpurev;
- u32 freq_mhz;
-};
-
-const char *get_imx8_type(u32 imxtype)
-{
- switch (imxtype) {
- case MXC_CPU_IMX8QXP:
- case MXC_CPU_IMX8QXP_A0:
- return "QXP";
- case MXC_CPU_IMX8QM:
- return "QM";
- default:
- return "??";
- }
-}
-
-const char *get_imx8_rev(u32 rev)
-{
- switch (rev) {
- case CHIP_REV_A:
- return "A";
- case CHIP_REV_B:
- return "B";
- default:
- return "?";
- }
-}
-
-const char *get_core_name(void)
-{
- if (is_cortex_a35())
- return "A35";
- else if (is_cortex_a53())
- return "A53";
- else if (is_cortex_a72())
- return "A72";
- else
- return "?";
-}
-
-int cpu_imx_get_desc(struct udevice *dev, char *buf, int size)
-{
- struct cpu_imx_platdata *plat = dev_get_platdata(dev);
-
- if (size < 100)
- return -ENOSPC;
-
- snprintf(buf, size, "NXP i.MX8%s Rev%s %s at %u MHz\n",
- plat->type, plat->rev, plat->name, plat->freq_mhz);
-
- return 0;
-}
-
-static int cpu_imx_get_info(struct udevice *dev, struct cpu_info *info)
-{
- struct cpu_imx_platdata *plat = dev_get_platdata(dev);
-
- info->cpu_freq = plat->freq_mhz * 1000;
- info->features = BIT(CPU_FEAT_L1_CACHE) | BIT(CPU_FEAT_MMU);
- return 0;
-}
-
-static int cpu_imx_get_count(struct udevice *dev)
-{
- return 4;
-}
-
-static int cpu_imx_get_vendor(struct udevice *dev, char *buf, int size)
-{
- snprintf(buf, size, "NXP");
- return 0;
-}
-
-static const struct cpu_ops cpu_imx8_ops = {
- .get_desc = cpu_imx_get_desc,
- .get_info = cpu_imx_get_info,
- .get_count = cpu_imx_get_count,
- .get_vendor = cpu_imx_get_vendor,
-};
-
-static const struct udevice_id cpu_imx8_ids[] = {
- { .compatible = "arm,cortex-a35" },
- { .compatible = "arm,cortex-a53" },
- { }
-};
-
-static ulong imx8_get_cpu_rate(void)
-{
- ulong rate;
- int ret;
-
- ret = sc_pm_get_clock_rate(-1, SC_R_A35, SC_PM_CLK_CPU,
- (sc_pm_clock_rate_t *)&rate);
- if (ret) {
- printf("Could not read CPU frequency: %d\n", ret);
- return 0;
- }
-
- return rate;
-}
-
-static int imx8_cpu_probe(struct udevice *dev)
-{
- struct cpu_imx_platdata *plat = dev_get_platdata(dev);
- u32 cpurev;
-
- cpurev = get_cpu_rev();
- plat->cpurev = cpurev;
- plat->name = get_core_name();
- plat->rev = get_imx8_rev(cpurev & 0xFFF);
- plat->type = get_imx8_type((cpurev & 0xFF000) >> 12);
- plat->freq_mhz = imx8_get_cpu_rate() / 1000000;
- return 0;
-}
-
-U_BOOT_DRIVER(cpu_imx8_drv) = {
- .name = "imx8x_cpu",
- .id = UCLASS_CPU,
- .of_match = cpu_imx8_ids,
- .ops = &cpu_imx8_ops,
- .probe = imx8_cpu_probe,
- .platdata_auto_alloc_size = sizeof(struct cpu_imx_platdata),
- .flags = DM_FLAG_PRE_RELOC,
-};
-#endif
projects / oweals / u-boot.git / blobdiff