From: Peng Fan peng.fan@nxp.com
This was wrongly committed, no user, remove it.
Signed-off-by: Peng Fan peng.fan@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, -};