From: Peng Fan <peng....@nxp.com>
This was wrongly committed, no user, remove it.
Signed-off-by: Peng Fan <peng....@nxp.com>
---
drivers/cpu/imx9_cpu.c | 224 -------------------------------------------------
1 file changed, 224 deletions(-)
diff --git a/drivers/cpu/imx9_cpu.c b/drivers/cpu/imx9_cpu.c
deleted file mode 100644
index 66534fe6d17..00000000000
--- a/drivers/cpu/imx9_cpu.c
+++ /dev/null
@@ -1,224 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2019 NXP
- */
-
-#include <common.h>
-#include <cpu.h>
-#include <dm.h>
-#include <thermal.h>
-#include <asm/global_data.h>
-#include <asm/system.h>
-#include <firmware/linux/imx/sci/sci.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch-imx/cpu.h>
-#include <asm/armv8/cpu.h>
-#include <linux/bitops.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-struct cpu_imx_plat {
- const char *name;
- const char *rev;
- const char *type;
- u32 cpu_rsrc;
- u32 cpurev;
- u32 freq_mhz;
- u32 mpidr;
-};
-
-const char *get_imx9_type(u32 imxtype)
-{
- switch (imxtype) {
- case MXC_CPU_IMX93:
- return "93";
- default:
- return "??";
- }
-}
-
-const char *get_imx9_rev(u32 rev)
-{
- switch (rev) {
- case CHIP_REV_1_0:
- return "1.";
- case CHIP_REV_B:
- return "B";
- case CHIP_REV_C:
- return "C";
- default:
- return "?";
- }
-}
-
-static void set_core_data(struct udevice *dev)
-{
- struct cpu_imx_plat *plat = dev_get_plat(dev);
-
- if (device_is_compatible(dev, "arm,cortex-a35"))
- plat->name = "A35";
- else
- plat->name = "?";
-}
-
-#if IS_ENABLED(CONFIG_IMX_SCU_THERMAL)
-static int cpu_imx_get_temp(struct cpu_imx_plat *plat)
-{
- struct udevice *thermal_dev;
- int cpu_tmp, ret;
- int idx = 1; /* use "cpu-thermal0" device */
-
- if (plat->cpu_rsrc == SC_R_A72)
- idx = 2; /* use "cpu-thermal1" device */
-
- ret = uclass_get_device(UCLASS_THERMAL, idx, &thermal_dev);
- if (!ret) {
- ret = thermal_get_temp(thermal_dev, &cpu_tmp);
- if (ret)
- return 0xdeadbeef;
- } else {
- return 0xdeadbeef;
- }
-
- return cpu_tmp;
-}
-#else
-static int cpu_imx_get_temp(struct cpu_imx_plat *plat)
-{
- return 0;
-}
-#endif
-
-int cpu_imx_get_desc(const struct udevice *dev, char *buf, int size)
-{
- struct cpu_imx_plat *plat = dev_get_plat(dev);
- int ret, temp;
-
- if (size < 100)
- return -ENOSPC;
-
- ret = snprintf(buf, size, "NXP i.MX8%s Rev%s %s at %u MHz",
- plat->type, plat->rev, plat->name, plat->freq_mhz);
-
- if (IS_ENABLED(CONFIG_IMX_SCU_THERMAL)) {
- temp = cpu_imx_get_temp(plat);
- buf = buf + ret;
- size = size - ret;
- if (temp != 0xdeadbeef)
- ret = snprintf(buf, size, " at %dC", temp);
- else
- ret = snprintf(buf, size, " - invalid sensor data");
- }
-
- snprintf(buf + ret, size - ret, "\n");
-
- return 0;
-}
-
-static int cpu_imx_get_info(const struct udevice *dev, struct cpu_info *info)
-{
- struct cpu_imx_plat *plat = dev_get_plat(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(const struct udevice *dev)
-{
- ofnode node;
- int num = 0;
-
- ofnode_for_each_subnode(node, dev_ofnode(dev->parent)) {
- const char *device_type;
-
- if (!ofnode_is_enabled(node))
- continue;
-
- device_type = ofnode_read_string(node, "device_type");
- if (!device_type)
- continue;
-
- if (!strcmp(device_type, "cpu"))
- num++;
- }
-
- return num;
-}
-
-static int cpu_imx_get_vendor(const struct udevice *dev, char *buf, int size)
-{
- snprintf(buf, size, "NXP");
- return 0;
-}
-
-static int cpu_imx_is_current(struct udevice *dev)
-{
- struct cpu_imx_plat *plat = dev_get_plat(dev);
-
- if (plat->mpidr == (read_mpidr() & 0xffff))
- return 1;
-
- return 0;
-}
-
-static const struct cpu_ops cpu_imx9_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,
- .is_current = cpu_imx_is_current,
-};
-
-static const struct udevice_id cpu_imx9_ids[] = {
- { .compatible = "arm,cortex-a35" },
- { .compatible = "arm,cortex-a53" },
- { .compatible = "arm,cortex-a72" },
- { }
-};
-
-static ulong imx9_get_cpu_rate(struct udevice *dev)
-{
- struct cpu_imx_plat *plat = dev_get_plat(dev);
- ulong rate;
- int ret;
-
- ret = sc_pm_get_clock_rate(-1, plat->cpu_rsrc, 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 imx9_cpu_probe(struct udevice *dev)
-{
- struct cpu_imx_plat *plat = dev_get_plat(dev);
- u32 cpurev;
-
- set_core_data(dev);
- cpurev = get_cpu_rev();
- plat->cpurev = cpurev;
- plat->rev = get_imx9_rev(cpurev & 0xFFF);
- plat->type = get_imx9_type((cpurev & 0xFF000) >> 12);
- plat->freq_mhz = imx9_get_cpu_rate(dev) / 1000000;
- plat->mpidr = dev_read_addr(dev);
- if (plat->mpidr == FDT_ADDR_T_NONE) {
- printf("%s: Failed to get CPU reg property\n", __func__);
- return -EINVAL;
- }
-
- return 0;
-}
-
-U_BOOT_DRIVER(cpu_imx9_drv) = {
- .name = "imx9x_cpu",
- .id = UCLASS_CPU,
- .of_match = cpu_imx9_ids,
- .ops = &cpu_imx9_ops,
- .probe = imx9_cpu_probe,
- .plat_auto = sizeof(struct cpu_imx_plat),
- .flags = DM_FLAG_PRE_RELOC,
-};
--
2.35.3
