diff --git a/Makefile b/Makefile
index eb2ae68..ccd9726 100755
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,7 @@ TARGET := bootloader
 BUILD := build
 SOURCEDIR := loader
 OBJS = $(addprefix $(BUILD)/, \
+	stack.o		\
 	main.o		\
 	fuse.o		\
 	usb.o		\
@@ -17,6 +18,8 @@ OBJS = $(addprefix $(BUILD)/, \
 	clock.o		\
 	pinmux.o	\
 	gpio.o		\
+	heap.o		\
+	uart.o      \
 )
 
 OBJS += $(addprefix $(BUILD)/, \
diff --git a/README.md b/README.md
index bf34bdf..3b94e38 100644
--- a/README.md
+++ b/README.md
@@ -3,40 +3,11 @@
 (WIP)This is a custom bootloader for Tegra T124/T132 Soc.
 A fork of early commit of [hekate](https://github.com/CTCaer/hekate/).
 
-# Issues
-- Clock setting? I am not sure it is ture.Here is my code.
-```c
-void config_oscillators()
-{	
-
-	CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) = (CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) & 0xFFFFFFF3) | 0; // Clear 3-2bit and set CLK_M_DIVISOR to 1.the 3-2bit is divisor.
-	SYSCTR0(SYSCTR0_CNTFID0)             = 12000000;   // Set counter frequency. 12Mhz
-
-	//This register is for 1 microsecond. bit7-0->DIVISOR bit15-8->DIVIDEND.So we need 1/12
-	TIMER0(TIMERUS_USEC_CFG)                = 0x0B;      // For 12MHz clk_m. 	1/12 -> 0x00/0x0b
-	 
-	CLOCK(CLK_RST_CONTROLLER_OSC_CTRL)   = 0x80000071; // Set OSC to 12MHz and drive strength.
-
-	PMC(APBDEV_PMC_OSC_EDPD_OVER) = (PMC(APBDEV_PMC_OSC_EDPD_OVER) & 0xFFFFFF81) | 0xE; // Set LP0 OSC drive strength.
-	PMC(APBDEV_PMC_OSC_EDPD_OVER) = (PMC(APBDEV_PMC_OSC_EDPD_OVER) & 0xFFBFFFFF) | PMC_OSC_EDPD_OVER_OSC_CTRL_OVER;
-	PMC(APBDEV_PMC_CNTRL2)        = (PMC(APBDEV_PMC_CNTRL2) & 0xFFFFEFFF) | PMC_CNTRL2_HOLD_CKE_LOW_EN;
-	
-	//Not impl in T124?Only in T210 and newer
-	//PMC(APB_MISC_GP_ASDBGREG)     = (PMC(APB_MISC_GP_ASDBGREG) & 0xFCFFFFFF) | (2 << 24); // CFG2TMC_RAM_SVOP_PDP.
-
-	CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 0x00;       // Set HCLK div to 1 and PCLK div to 1.
-	//CLOCK(CLK_RST_CONTROLLER_PLLMB_BASE)     &= 0xBFFFFFFF; // PLLMB disable.
-
-	PMC(APBDEV_PMC_TSC_MULT) = (PMC(APBDEV_PMC_TSC_MULT) & 0xFFFF0000) | 0x16E0; // 0x249F = 12000000 * (16 / 32.768 kHz).
-
-	CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SYS)     = 0;          // Set BPMP/SCLK div to 1.
-	CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY)  = 0x20004444; // Set BPMP/SCLK source to Run and PLLP_OUT2 (204MHz).
-	CLOCK(CLK_RST_CONTROLLER_SUPER_SCLK_DIVIDER) = 0x80000000; // Enable SUPER_SDIV to 1.
-	CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE)    = 2;          // Set HCLK div to 1 and PCLK div to 3.
-}
-```
-
-- I2C cannot be initialized properly. When I set the frequency, avp crashed
+# Issues/TODO
+- Init PMIC (TPS65913)
+- Init SDRAM
+- Init Display
+I am studying its process.
 
 ## Build
 ### **Archlinux**