efuse: tl1: add efuse burning support [1/1]

PD#172587

Problem:
efuse: tl1: need to add efuse burning support

Solution:
efuse: tl1: add efuse burning support

Verify:
TL1 skt board verify pass

Change-Id: Id65f182c71fc6f3f2b2536bbb6b859ad2f558360
Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>

arch/arm/boot/dts/amlogic/mesonsm1.dtsi

@@ -1663,7 +1663,46 @@
 	cpu_ver_name {
 		compatible = "amlogic, cpu-major-id-sm1";
 	};
-};/* end of / */
+
+	efuse: efuse{
+		compatible = "amlogic, efuse";
+		read_cmd = <0x82000030>;
+		write_cmd = <0x82000031>;
+		get_max_cmd = <0x82000033>;
+		key = <&efusekey>;
+		clocks = <&clkc CLKID_EFUSE>;
+		clock-names = "efuse_clk";
+		status = "disabled";
+	};
+
+	efusekey:efusekey{
+		keynum = <4>;
+		key0 = <&key_0>;
+		key1 = <&key_1>;
+		key2 = <&key_2>;
+		key3 = <&key_3>;
+		key_0:key_0{
+			keyname = "mac";
+			offset = <0>;
+			size = <6>;
+		};
+		key_1:key_1{
+			keyname = "mac_bt";
+			offset = <6>;
+			size = <6>;
+		};
+		key_2:key_2{
+			keyname = "mac_wifi";
+			offset = <12>;
+			size = <6>;
+		};
+		key_3:key_3{
+			keyname = "usid";
+			offset = <18>;
+			size = <16>;
+		};
+	};
+}; /* end of / */
 
 &pinctrl_aobus {
 	sd_to_ao_uart_clr_pins:sd_to_ao_uart_clr_pins {

arch/arm/boot/dts/amlogic/tl1_pxp.dts

@@ -887,3 +887,11 @@
 	mem_alloc = <1>;
 	pxp_mode = <1>; /** 0:normal mode 1:pxp mode */
 };
+
+&pwm_AO_cd {
+	status = "okay";
+};
+
+&efuse {
+	status = "okay";
+};

arch/arm/boot/dts/amlogic/tl1_t962x2_skt.dts

@@ -1514,3 +1514,7 @@
 &efuse {
 	status = "okay";
 };
+
+&efuse {
+	status = "okay";
+};

drivers/amlogic/efuse/Makefile

@@ -3,7 +3,11 @@
 #
 
 ifneq ($(CONFIG_ARM64),y)
-obj-$(CONFIG_AMLOGIC_EFUSE) += efuse_version.o efuse_hw.o efuse.o
+	ifneq ($(CONFIG_ARM64_A32),y)
+	obj-$(CONFIG_AMLOGIC_EFUSE) += efuse_version.o efuse_hw.o efuse.o
+	else
+	obj-$(CONFIG_AMLOGIC_EFUSE) += efuse_hw64.o efuse64.o
+	endif
 else
 obj-$(CONFIG_AMLOGIC_EFUSE) += efuse_hw64.o efuse64.o
 endif

drivers/amlogic/efuse/efuse.h

@@ -103,20 +103,18 @@ struct efuse_hal_api_arg {
 };
 
 extern struct efuseinfo_t efuseinfo[];
-#ifndef CONFIG_ARM64
+#if defined(CONFIG_ARM64) || defined(CONFIG_ARM64_A32)
+ssize_t efuse_get_max(void);
+ssize_t efuse_read_usr(char *buf, size_t count, loff_t *ppos);
+ssize_t efuse_write_usr(char *buf, size_t count, loff_t *ppos);
+unsigned long efuse_amlogic_set(char *buf, size_t count);
+#else
 int efuse_getinfo_byTitle(unsigned char *name, struct efuseinfo_item_t *info);
 int check_if_efused(loff_t pos, size_t count);
 int efuse_read_item(char *buf, size_t count, loff_t *ppos);
 int efuse_write_item(char *buf, size_t count, loff_t *ppos);
 extern int efuse_active_version;
 extern struct clk *efuse_clk;
-#else
-
-ssize_t efuse_get_max(void);
-ssize_t efuse_read_usr(char *buf, size_t count, loff_t *ppos);
-ssize_t efuse_write_usr(char *buf, size_t count, loff_t *ppos);
-unsigned long efuse_amlogic_set(char *buf, size_t count);
-
 #endif
 
 #endif

drivers/amlogic/efuse/efuse64.c

@@ -30,7 +30,7 @@
 
 #include <linux/amlogic/secmon.h>
 #include "efuse.h"
-#ifdef CONFIG_ARM64
+#if defined(CONFIG_ARM64) || defined(CONFIG_ARM64_A32)
 #include <linux/amlogic/efuse.h>
 #endif
 

drivers/amlogic/efuse/efuse_hw64.c

@@ -33,7 +33,7 @@
 #include <linux/arm-smccc.h>
 #include <asm/cacheflush.h>
 
-static long meson_efuse_fn_smc(struct efuse_hal_api_arg *arg)
+static long meson64_efuse_fn_smc(struct efuse_hal_api_arg *arg)
 {
 	long ret;
 	unsigned int cmd, offset, size;
@@ -71,7 +71,7 @@ static long meson_efuse_fn_smc(struct efuse_hal_api_arg *arg)
 		return 0;
 }
 
-int meson_trustzone_efuse(struct efuse_hal_api_arg *arg)
+int meson64_trustzone_efuse(struct efuse_hal_api_arg *arg)
 {
 	int ret;
 
@@ -79,7 +79,7 @@ int meson_trustzone_efuse(struct efuse_hal_api_arg *arg)
 		return -1;
 
 	set_cpus_allowed_ptr(current, cpumask_of(0));
-	ret = meson_efuse_fn_smc(arg);
+	ret = meson64_efuse_fn_smc(arg);
 	set_cpus_allowed_ptr(current, cpu_all_mask);
 	return ret;
 }
@@ -101,7 +101,7 @@ unsigned long efuse_aml_sec_boot_check(unsigned long nType,
 	memcpy((void *)sharemem_input_base,
 		(const void *)pBuffer, nLength);
 
-	__flush_dcache_area(sharemem_input_base, nLength);
+	//__flush_dcache_area(sharemem_input_base, nLength);
 
 	asm __volatile__("" : : : "memory");
 
@@ -133,7 +133,7 @@ unsigned long efuse_amlogic_set(char *buf, size_t count)
 	return ret;
 }
 
-ssize_t meson_trustzone_efuse_get_max(struct efuse_hal_api_arg *arg)
+ssize_t meson64_trustzone_efuse_get_max(struct efuse_hal_api_arg *arg)
 {
 	ssize_t ret;
 	unsigned int cmd;
@@ -164,7 +164,7 @@ ssize_t efuse_get_max(void)
 	arg.cmd = EFUSE_HAL_API_USER_MAX;
 
 	set_cpus_allowed_ptr(current, cpumask_of(0));
-	ret = meson_trustzone_efuse_get_max(&arg);
+	ret = meson64_trustzone_efuse_get_max(&arg);
 	set_cpus_allowed_ptr(current, cpu_all_mask);
 
 	if (ret == 0) {
@@ -187,7 +187,7 @@ ssize_t _efuse_read(char *buf, size_t count, loff_t *ppos)
 	arg.size = count;
 	arg.buffer = (unsigned long)buf;
 	arg.retcnt = (unsigned long)&retcnt;
-	ret = meson_trustzone_efuse(&arg);
+	ret = meson64_trustzone_efuse(&arg);
 	if (ret == 0) {
 		*ppos += retcnt;
 		return retcnt;
@@ -211,7 +211,7 @@ ssize_t _efuse_write(const char *buf, size_t count, loff_t *ppos)
 	arg.buffer = (unsigned long)buf;
 	arg.retcnt = (unsigned long)&retcnt;
 
-	ret = meson_trustzone_efuse(&arg);
+	ret = meson64_trustzone_efuse(&arg);
 	if (ret == 0) {
 		*ppos = retcnt;
 		return retcnt;

include/linux/amlogic/efuse.h

@@ -18,7 +18,7 @@
 #ifndef __EFUSE_AMLOGIC_H
 #define __EFUSE_AMLOGIC_H
 
-#ifdef CONFIG_ARM64
+#if defined(CONFIG_ARM64) || defined(CONFIG_ARM64_A32)
 struct efusekey_info {
 	char keyname[32];
 	unsigned int offset;