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ARM: IMXRT: introduce is_imxrt*() macros and get_cpu_rev()
We need those macros to instruct drivers on how to behave for SoC specific quirks, so let's add it as done for other i.MX SoCs. Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
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3 changed files with 19 additions and 0 deletions
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@ -50,6 +50,8 @@
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#define MXC_CPU_IMX8QXP_A0 0x90 /* dummy ID */
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#define MXC_CPU_IMX8QM 0x91 /* dummy ID */
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#define MXC_CPU_IMX8QXP 0x92 /* dummy ID */
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#define MXC_CPU_IMXRT1020 0xB4 /* dummy ID */
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#define MXC_CPU_IMXRT1050 0xB6 /* dummy ID */
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#define MXC_CPU_MX7ULP 0xE1 /* Temporally hard code */
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#define MXC_CPU_VF610 0xF6 /* dummy ID */
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@ -57,6 +59,7 @@
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#define MXC_SOC_MX7 0x70
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#define MXC_SOC_IMX8M 0x80
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#define MXC_SOC_IMX8 0x90 /* dummy */
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#define MXC_SOC_IMXRT 0xB0 /* dummy */
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#define MXC_SOC_MX7ULP 0xE0 /* dummy */
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#define CHIP_REV_1_0 0x10
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@ -31,6 +31,7 @@ struct bd_info;
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#define is_mx7() (is_soc_type(MXC_SOC_MX7))
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#define is_imx8m() (is_soc_type(MXC_SOC_IMX8M))
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#define is_imx8() (is_soc_type(MXC_SOC_IMX8))
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#define is_imxrt() (is_soc_type(MXC_SOC_IMXRT))
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#define is_mx6dqp() (is_cpu_type(MXC_CPU_MX6QP) || is_cpu_type(MXC_CPU_MX6DP))
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#define is_mx6dq() (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
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@ -78,6 +79,9 @@ struct bd_info;
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#define is_imx8qxp() (is_cpu_type(MXC_CPU_IMX8QXP))
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#define is_imxrt1020() (is_cpu_type(MXC_CPU_IMXRT1020))
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#define is_imxrt1050() (is_cpu_type(MXC_CPU_IMXRT1050))
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#ifdef CONFIG_MX6
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#define IMX6_SRC_GPR10_BMODE BIT(28)
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#define IMX6_SRC_GPR10_PERSIST_SECONDARY_BOOT BIT(30)
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@ -8,6 +8,7 @@
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#include <init.h>
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#include <asm/io.h>
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#include <asm/armv7_mpu.h>
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#include <asm/mach-imx/sys_proto.h>
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#include <linux/bitops.h>
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int arch_cpu_init(void)
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@ -35,3 +36,14 @@ int arch_cpu_init(void)
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return 0;
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}
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u32 get_cpu_rev(void)
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{
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#if defined(CONFIG_IMXRT1020)
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return MXC_CPU_IMXRT1020 << 12;
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#elif defined(CONFIG_IMXRT1050)
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return MXC_CPU_IMXRT1050 << 12;
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#else
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#error This IMXRT SoC is not supported
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#endif
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}
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