cpu: drop imx9_cpu

This was wrongly committed, no user, remove it.

Signed-off-by: Peng Fan <peng.fan@nxp.com>

diff --git a/drivers/cpu/imx9_cpu.c b/drivers/cpu/imx9_cpu.c
deleted file mode 100644 (file)
index 66534fe..0000000
--- 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,
-};