ARFP3-77: Expose main memory hardware revision (79b6422f) · Commits · e / devices / android_kernel_fairphone_FP3

arch/arm64/include/asm/processor.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -84,6 +84,10 @@ extern char qpnp_poff_reason_extern[256];
		/[Arima_8901][bozhi_lin] 20190221 end/
		extern unsigned int cold_boot;

		/[Arima_8901][bozhi_lin] ARFP3-77: Expose main memory hardware revision 20190225 begin/
		extern char ddr_vendor[32];
		/[Arima_8901][bozhi_lin] 20190225 end/

		struct debug_info {
		/* Have we suspended stepping by a debugger? */
		int suspended_step;

drivers/soc/qcom/socinfo.c

100644 → 100755

+67 −0

Original line number	Diff line number	Diff line
		@@ -1983,6 +1983,67 @@ static void socinfo_select_format(void)
		}
		}

		/[Arima_8901][bozhi_lin] ARFP3-77: Expose main memory hardware revision 20190225 begin/
		char ddr_vendor[32] = "";
		//BOOT.BF.3.3.2\boot_images\core\api\boot\ddr_common.h
		typedef enum
		{
		RESERVED_0, /*< Reserved for future use. /
		SAMSUNG, /*< Samsung. /
		QIMONDA, /*< Qimonda. /
		ELPIDA, /*< Elpida Memory, Inc. /
		ETRON, /*< Etron Technology, Inc. /
		NANYA, /*< Nanya Technology Corporation. /
		HYNIX, /*< Hynix Semiconductor Inc. /
		MOSEL, /*< Mosel Vitelic Corporation. /
		WINBOND, /*< Winbond Electronics Corp. /
		ESMT, /*< Elite Semiconductor Memory Technology Inc. /
		RESERVED_1, /*< Reserved for future use. /
		SPANSION, /*< Spansion Inc. /
		SST, /*< Silicon Storage Technology, Inc. /
		ZMOS, /*< ZMOS Technology, Inc. /
		INTEL, /*< Intel Corporation. /
		NUMONYX = 254, /*< Numonyx, acquired by Micron Technology, Inc. /
		MICRON = 255, /*< Micron Technology, Inc. /
		DDR_MANUFACTURES_MAX = 0x7FFFFFFF /*< Forces the enumerator to 32 bits. /
		} DDR_MANUFACTURES;

		//uint32_t smem_get_ddr_manufacturer_id()
		void smem_get_ddr_manufacturer_id(unsigned char *buf)
		{
		unsigned int *manufacturer_id;
		unsigned int manufacturer_id_len = sizeof(manufacturer_id);

		manufacturer_id = smem_get_entry(SMEM_ID_VENDOR2, &manufacturer_id_len, 0,
		SMEM_ANY_HOST_FLAG);
		if (manufacturer_id == NULL)
		{
		pr_err("[B]%s(%d): Failed to read SMEM_ID_VENDOR2\n", __func__, __LINE__);
		}

		switch(*manufacturer_id)
		{
		case SAMSUNG:
		snprintf((char *)buf, 64, "SAMSUNG");
		break;
		case ELPIDA:
		snprintf((char *)buf, 64, "ELPIDA");
		break;
		case HYNIX:
		snprintf((char *)buf, 64, "HYNIX");
		break;
		case MICRON:
		snprintf((char *)buf, 64, "MICRON");
		break;
		default:
		snprintf((char *)buf, 64, "OTHERS");
		break;
		}

		pr_err("[B]%s(%d): manufacturer_id=%d, %s\n", __func__, __LINE__, *manufacturer_id, buf);
		}
		/[Arima_8901][bozhi_lin] 20190225 end/

		int __init socinfo_init(void)
		{
		static bool socinfo_init_done;
		@@ -2012,6 +2073,12 @@ int __init socinfo_init(void)
		arch_read_hardware_id = msm_read_hardware_id;
		socinfo_init_done = true;

		/[Arima_8901][bozhi_lin] ARFP3-77: Expose main memory hardware revision 20190225 begin/
		memset(ddr_vendor, 0, sizeof(ddr_vendor));
		smem_get_ddr_manufacturer_id((unsigned char *) ddr_vendor);
		pr_err("[B]%s(%d): ddr_vendor=%s\n", __func__, __LINE__, ddr_vendor);
		/[Arima_8901][bozhi_lin] 20190225 end/

		return 0;
		}
		subsys_initcall(socinfo_init);

kernel/sysctl.c

+36 −0

Original line number	Diff line number	Diff line
		@@ -66,6 +66,9 @@
		#include <linux/kexec.h>
		#include <linux/bpf.h>
		#include <linux/mount.h>
		/[Arima_8901][bozhi_lin] ARFP3-77: Expose main memory hardware revision 20190225 begin/
		#include <soc/qcom/smem.h>
		/[Arima_8901][bozhi_lin] 20190225 end/

		#include <asm/uaccess.h>
		#include <asm/processor.h>
		@@ -231,6 +234,9 @@ static struct ctl_table dev_table[];
		/[Arima_8901][bozhi_lin] ARFP3-91: Expose power up and power down reason 20190221 begin/
		static struct ctl_table qpnp_power_on_table[];
		/[Arima_8901][bozhi_lin] 20190221 end/
		/[Arima_8901][bozhi_lin] ARFP3-77: Expose main memory hardware revision 20190225 begin/
		static struct ctl_table ddr_table[];
		/[Arima_8901][bozhi_lin] 20190225 end/
		extern struct ctl_table random_table[];
		#ifdef CONFIG_EPOLL
		extern struct ctl_table epoll_table[];
		@@ -2070,6 +2076,13 @@ static struct ctl_table debug_table[] = {
		};

		static struct ctl_table dev_table[] = {
		/[Arima_8901][bozhi_lin] ARFP3-77: Expose main memory hardware revision 20190225 begin/
		{
		.procname = "ddr",
		.mode = 0555,
		.child = ddr_table,
		},
		/[Arima_8901][bozhi_lin] 20190225 end/
		{ }
		};

		@@ -2110,6 +2123,29 @@ static struct ctl_table qpnp_power_on_table[] = {
		};
		/[Arima_8901][bozhi_lin] 20190221 end/

		/[Arima_8901][bozhi_lin] ARFP3-77: Expose main memory hardware revision 20190225 begin/
		static struct ctl_table ddr_table[] = {
		#if 1
		{
		.procname = "vendor",
		.data = &ddr_vendor,
		.maxlen = 32,
		.mode = 0444,
		.proc_handler = proc_dostring,
		},
		#else
		{
		.procname = "vendor",
		.data = &qpnp_pon_reason_extern,
		.maxlen = sizeof(int),
		.mode = 0444,
		.proc_handler = proc_dointvec,
		},
		#endif
		{ }
		};
		/[Arima_8901][bozhi_lin] 20190225 end/

		int __init sysctl_init(void)
		{
		struct ctl_table_header *hdr;