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Diffstat (limited to 'arch/arm/cpu/armv7/am33xx/sys_info.c')
-rw-r--r--arch/arm/cpu/armv7/am33xx/sys_info.c176
1 files changed, 0 insertions, 176 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/sys_info.c b/arch/arm/cpu/armv7/am33xx/sys_info.c
deleted file mode 100644
index f0f72fa..0000000
--- a/arch/arm/cpu/armv7/am33xx/sys_info.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * sys_info.c
- *
- * System information functions
- *
- * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
- *
- * Derived from Beagle Board and 3430 SDP code by
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch/cpu.h>
-#include <asm/arch/clock.h>
-#include <power/tps65910.h>
-#include <linux/compiler.h>
-
-struct ctrl_stat *cstat = (struct ctrl_stat *)CTRL_BASE;
-
-/**
- * get_cpu_rev(void) - extract rev info
- */
-u32 get_cpu_rev(void)
-{
- u32 id;
- u32 rev;
-
- id = readl(DEVICE_ID);
- rev = (id >> 28) & 0xff;
-
- return rev;
-}
-
-/**
- * get_cpu_type(void) - extract cpu info
- */
-u32 get_cpu_type(void)
-{
- u32 id = 0;
- u32 partnum;
-
- id = readl(DEVICE_ID);
- partnum = (id >> 12) & 0xffff;
-
- return partnum;
-}
-
-/**
- * get_device_type(): tell if GP/HS/EMU/TST
- */
-u32 get_device_type(void)
-{
- int mode;
- mode = readl(&cstat->statusreg) & (DEVICE_MASK);
- return mode >>= 8;
-}
-
-/**
- * get_sysboot_value(void) - return SYS_BOOT[4:0]
- */
-u32 get_sysboot_value(void)
-{
- return readl(&cstat->statusreg) & SYSBOOT_MASK;
-}
-
-#ifdef CONFIG_DISPLAY_CPUINFO
-static char *cpu_revs[] = {
- "1.0",
- "2.0",
- "2.1"};
-
-
-static char *dev_types[] = {
- "TST",
- "EMU",
- "HS",
- "GP"};
-
-/**
- * Print CPU information
- */
-int print_cpuinfo(void)
-{
- char *cpu_s, *sec_s, *rev_s;
-
- switch (get_cpu_type()) {
- case AM335X:
- cpu_s = "AM335X";
- break;
- case TI81XX:
- cpu_s = "TI81XX";
- break;
- case AM437X:
- cpu_s = "AM437X";
- break;
- default:
- cpu_s = "Unknown CPU type";
- break;
- }
-
- if (get_cpu_rev() < ARRAY_SIZE(cpu_revs))
- rev_s = cpu_revs[get_cpu_rev()];
- else
- rev_s = "?";
-
- if (get_device_type() < ARRAY_SIZE(dev_types))
- sec_s = dev_types[get_device_type()];
- else
- sec_s = "?";
-
- printf("CPU : %s-%s rev %s\n", cpu_s, sec_s, rev_s);
-
- return 0;
-}
-#endif /* CONFIG_DISPLAY_CPUINFO */
-
-#ifdef CONFIG_AM33XX
-int am335x_get_efuse_mpu_max_freq(struct ctrl_dev *cdev)
-{
- int sil_rev;
-
- sil_rev = readl(&cdev->deviceid) >> 28;
-
- if (sil_rev == 1)
- /* PG 2.0, efuse may not be set. */
- return MPUPLL_M_800;
- else if (sil_rev >= 2) {
- /* Check what the efuse says our max speed is. */
- int efuse_arm_mpu_max_freq;
- efuse_arm_mpu_max_freq = readl(&cdev->efuse_sma);
- switch ((efuse_arm_mpu_max_freq & DEVICE_ID_MASK)) {
- case AM335X_ZCZ_1000:
- return MPUPLL_M_1000;
- case AM335X_ZCZ_800:
- return MPUPLL_M_800;
- case AM335X_ZCZ_720:
- return MPUPLL_M_720;
- case AM335X_ZCZ_600:
- case AM335X_ZCE_600:
- return MPUPLL_M_600;
- case AM335X_ZCZ_300:
- case AM335X_ZCE_300:
- return MPUPLL_M_300;
- }
- }
-
- /* PG 1.0 or otherwise unknown, use the PG1.0 max */
- return MPUPLL_M_720;
-}
-
-int am335x_get_tps65910_mpu_vdd(int sil_rev, int frequency)
-{
- /* For PG2.1 and later, we have one set of values. */
- if (sil_rev >= 2) {
- switch (frequency) {
- case MPUPLL_M_1000:
- return TPS65910_OP_REG_SEL_1_3_2_5;
- case MPUPLL_M_800:
- return TPS65910_OP_REG_SEL_1_2_6;
- case MPUPLL_M_720:
- return TPS65910_OP_REG_SEL_1_2_0;
- case MPUPLL_M_600:
- case MPUPLL_M_300:
- return TPS65910_OP_REG_SEL_1_1_3;
- }
- }
-
- /* Default to PG1.0/PG2.0 values. */
- return TPS65910_OP_REG_SEL_1_1_3;
-}
-#endif