960debbe3c
Introduce the code in mach-stm32mp and the configuration file stm32mp13_defconfig for the new STM32MP family. Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
116 lines
2.1 KiB
C
116 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
|
|
/*
|
|
* Copyright (C) 2022, STMicroelectronics - All Rights Reserved
|
|
*/
|
|
|
|
#define LOG_CATEGORY LOGC_ARCH
|
|
|
|
#include <common.h>
|
|
#include <log.h>
|
|
#include <syscon.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/stm32.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
|
|
/* SYSCFG register */
|
|
#define SYSCFG_IDC_OFFSET 0x380
|
|
#define SYSCFG_IDC_DEV_ID_MASK GENMASK(11, 0)
|
|
#define SYSCFG_IDC_DEV_ID_SHIFT 0
|
|
#define SYSCFG_IDC_REV_ID_MASK GENMASK(31, 16)
|
|
#define SYSCFG_IDC_REV_ID_SHIFT 16
|
|
|
|
/* Device Part Number (RPN) = OTP_DATA1 lower 11 bits */
|
|
#define RPN_SHIFT 0
|
|
#define RPN_MASK GENMASK(11, 0)
|
|
|
|
static u32 read_idc(void)
|
|
{
|
|
void *syscfg = syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
|
|
|
|
return readl(syscfg + SYSCFG_IDC_OFFSET);
|
|
}
|
|
|
|
u32 get_cpu_dev(void)
|
|
{
|
|
return (read_idc() & SYSCFG_IDC_DEV_ID_MASK) >> SYSCFG_IDC_DEV_ID_SHIFT;
|
|
}
|
|
|
|
u32 get_cpu_rev(void)
|
|
{
|
|
return (read_idc() & SYSCFG_IDC_REV_ID_MASK) >> SYSCFG_IDC_REV_ID_SHIFT;
|
|
}
|
|
|
|
/* Get Device Part Number (RPN) from OTP */
|
|
static u32 get_cpu_rpn(void)
|
|
{
|
|
return get_otp(BSEC_OTP_RPN, RPN_SHIFT, RPN_MASK);
|
|
}
|
|
|
|
u32 get_cpu_type(void)
|
|
{
|
|
return (get_cpu_dev() << 16) | get_cpu_rpn();
|
|
}
|
|
|
|
void get_soc_name(char name[SOC_NAME_SIZE])
|
|
{
|
|
char *cpu_s, *cpu_r;
|
|
|
|
/* MPUs Part Numbers */
|
|
switch (get_cpu_type()) {
|
|
case CPU_STM32MP135Fxx:
|
|
cpu_s = "135F";
|
|
break;
|
|
case CPU_STM32MP135Dxx:
|
|
cpu_s = "135D";
|
|
break;
|
|
case CPU_STM32MP135Cxx:
|
|
cpu_s = "135C";
|
|
break;
|
|
case CPU_STM32MP135Axx:
|
|
cpu_s = "135A";
|
|
break;
|
|
case CPU_STM32MP133Fxx:
|
|
cpu_s = "133F";
|
|
break;
|
|
case CPU_STM32MP133Dxx:
|
|
cpu_s = "133D";
|
|
break;
|
|
case CPU_STM32MP133Cxx:
|
|
cpu_s = "133C";
|
|
break;
|
|
case CPU_STM32MP133Axx:
|
|
cpu_s = "133A";
|
|
break;
|
|
case CPU_STM32MP131Fxx:
|
|
cpu_s = "131F";
|
|
break;
|
|
case CPU_STM32MP131Dxx:
|
|
cpu_s = "131D";
|
|
break;
|
|
case CPU_STM32MP131Cxx:
|
|
cpu_s = "131C";
|
|
break;
|
|
case CPU_STM32MP131Axx:
|
|
cpu_s = "131A";
|
|
break;
|
|
default:
|
|
cpu_s = "????";
|
|
break;
|
|
}
|
|
|
|
/* REVISION */
|
|
switch (get_cpu_rev()) {
|
|
case CPU_REV1:
|
|
cpu_r = "A";
|
|
break;
|
|
case CPU_REV1_1:
|
|
cpu_r = "Z";
|
|
break;
|
|
default:
|
|
cpu_r = "?";
|
|
break;
|
|
}
|
|
|
|
snprintf(name, SOC_NAME_SIZE, "STM32MP%s Rev.%s", cpu_s, cpu_r);
|
|
}
|