working frame buffer

10 files changed, 522 insertions, 116 deletions

diff --git a/fpga/ebaz4205/linux-6.16.4-pq/master/jmm-fb b/fpga/ebaz4205/linux-6.16.4-pq/master/jmm-fb
new file mode 100644
index 0000000..f12063f
--- /dev/null
+++ b/fpga/ebaz4205/linux-6.16.4-pq/master/jmm-fb
@@ -0,0 +1,301 @@
+diff --git a/.config b/.config
+index 470123376..e06bfbd12 100644
+--- a/.config
++++ b/.config
+@@ -1793,6 +1793,7 @@ CONFIG_PCI_ENDPOINT_TEST=m
+ # CONFIG_NSM is not set
+ # CONFIG_MCHP_LAN966X_PCI is not set
+ CONFIG_MISC_JMM_VCAP=y
++CONFIG_MISC_JMM_FB=y
+ # CONFIG_C2PORT is not set
+ 
+ #
+diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
+index 626152d80..b56499f42 100644
+--- a/drivers/misc/Kconfig
++++ b/drivers/misc/Kconfig
+@@ -647,6 +647,9 @@ config MCHP_LAN966X_PCI
+ config MISC_JMM_VCAP
+ 	tristate "JMM_VCAP Driver"
+ 
++config MISC_JMM_FB
++	tristate "JMM_FB Driver"
++
+ source "drivers/misc/c2port/Kconfig"
+ source "drivers/misc/eeprom/Kconfig"
+ source "drivers/misc/cb710/Kconfig"
+diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
+index cef74a483..7f3eadf0e 100644
+--- a/drivers/misc/Makefile
++++ b/drivers/misc/Makefile
+@@ -67,6 +67,7 @@ obj-$(CONFIG_VCPU_STALL_DETECTOR)	+= vcpu_stall_detector.o
+ obj-$(CONFIG_TMR_MANAGER)      += xilinx_tmr_manager.o
+ obj-$(CONFIG_TMR_INJECT)	+= xilinx_tmr_inject.o
+ obj-$(CONFIG_MISC_JMM_VCAP)	+= jmm_vcap.o
++obj-$(CONFIG_MISC_JMM_FB)	+= jmm_fb.o
+ obj-$(CONFIG_TPS6594_ESM)	+= tps6594-esm.o
+ obj-$(CONFIG_TPS6594_PFSM)	+= tps6594-pfsm.o
+ obj-$(CONFIG_NSM)		+= nsm.o
+diff --git a/drivers/misc/jmm_fb.c b/drivers/misc/jmm_fb.c
+new file mode 100644
+index 000000000..2fe454b5f
+--- /dev/null
++++ b/drivers/misc/jmm_fb.c
+@@ -0,0 +1,257 @@
++#include <linux/miscdevice.h>
++#include <linux/fs.h>
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/init.h>
++#include <linux/uaccess.h>
++#include <linux/io.h>
++#include <linux/platform_device.h>
++#include <linux/pm_runtime.h>
++#include <linux/of.h>
++#include <linux/gpio.h>
++
++
++
++static struct jmm_vcap {
++    struct gpio_desc *gpio;
++    int gpio_state;
++    uint8_t *ocm_base;
++    size_t ocm_len;
++} jmm_vcap;
++
++
++/*
++** This function will be called when we open the Misc device file
++*/
++static int jmm_vcap_open(struct inode *inode, struct file *file)
++{
++    pr_info("jmm_vcap device open\n");
++    return 0;
++}
++
++/*
++** This function will be called when we close the Misc Device file
++*/
++static int jmm_vcap_close(struct inode *inodep, struct file *filp)
++{
++    pr_info("jmm_vcap device close\n");
++    return 0;
++}
++
++/*
++** This function will be called when we write the Misc Device file
++*/
++static ssize_t jmm_vcap_write(struct file *file, const char __user *buf,
++               size_t len, loff_t *ppos)
++{
++    pr_info("jmm_vcap device write\n");
++    
++    /* We are not doing anything with this data now */
++    
++    return -ENODEV; 
++}
++ 
++/*
++** This function will be called when we read the Misc Device file
++*/
++static ssize_t jmm_vcap_read(struct file *filp, char __user *buf,
++                    size_t count, loff_t *f_pos)
++{
++
++    if (*f_pos>=jmm_vcap.ocm_len) return 0;
++
++    if ((*f_pos+count)>jmm_vcap.ocm_len) {
++	count=jmm_vcap.ocm_len-*f_pos;
++    }
++
++    if (copy_to_user(buf, jmm_vcap.ocm_base+(*f_pos), count))
++	return -EFAULT;
++
++    (*f_pos) += count;
++
++    return count;
++}
++
++static loff_t jmm_vcap_llseek(struct file *filp, loff_t offset, int whence)
++{
++loff_t new_offset;
++
++
++switch(whence) {
++case SEEK_SET:
++	new_offset=offset;
++	break;
++case SEEK_CUR:
++	new_offset=filp->f_pos + offset;
++	break;
++case SEEK_END:
++	new_offset=jmm_vcap.ocm_len + offset;
++	break;
++default:
++	return -EINVAL;
++}
++
++
++if (new_offset<0)
++	return -EINVAL;
++if (new_offset>jmm_vcap.ocm_len)
++	return -EINVAL;
++
++filp->f_pos=new_offset;
++
++return new_offset;
++}
++
++
++//File operation structure 
++static const struct file_operations fops = {
++    .owner          = THIS_MODULE,
++    .write          = jmm_vcap_write,
++    .read           = jmm_vcap_read,
++    .open           = jmm_vcap_open,
++    .release        = jmm_vcap_close,
++    .llseek         = jmm_vcap_llseek,
++};
++
++//Misc device structure
++struct miscdevice jmm_vcap_device = {
++    .minor = MISC_DYNAMIC_MINOR,
++    .name = "jmm_vcap",
++    .fops = &fops,
++};
++
++
++static const struct of_device_id jmm_vcap_of_match[] = {
++	{ .compatible = "jmm,video-capture-device" },
++	{ /* end of table */ }
++};
++MODULE_DEVICE_TABLE(of, jmm_vcap_of_match);
++
++
++static int jmm_vcap_probe(struct platform_device *pdev)
++{
++	struct resource *res;
++	const struct of_device_id *match;
++        uint8_t *ptr;
++
++
++	match = of_match_node(jmm_vcap_of_match, pdev->dev.of_node);
++        pr_info("jmm_vcap match %px\n",match);
++    	printk(KERN_ERR "jmm_vcap" "jmm_vcap match %px\n",match);
++	if (!match) {
++		dev_err(&pdev->dev, "of_match_node() failed\n");
++    		printk(KERN_ERR "jmm_vcap" "of_match_node() failed\n");
++		return -EINVAL;
++	}
++
++	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++	if (!res) {
++		dev_err(&pdev->dev, "can't get parent mmio range\n");
++		printk(KERN_ERR "jmm_vcap"  "can't get parent mmio range\n");
++		return -EINVAL;
++	}
++
++	jmm_vcap.gpio =  devm_gpiod_get(&(pdev->dev), NULL, GPIOD_OUT_LOW);
++	if (IS_ERR(jmm_vcap.gpio)) {
++		dev_err(&pdev->dev, "can't get enable gpio\n");
++		printk(KERN_ERR "jmm_vcap" "can't get enable gpio\n");
++		return -EINVAL;
++	}
++
++	jmm_vcap.ocm_len=res->end - res->start;
++	jmm_vcap.ocm_len++;
++        pr_info("jmm_vcap resource indicates length of 0x%x\n",jmm_vcap.ocm_len);
++	printk(KERN_ERR "jmm_vcap" "jmm_vcap resource indicates length of 0x%x\n",jmm_vcap.ocm_len);
++
++	ptr = devm_ioremap_resource(&pdev->dev, res);
++        pr_info("jmm_vcap devm_ioremap_resource() gives %px\n",ptr);
++	printk(KERN_ERR "jmm_vcap" "jmm_vcap devm_ioremap_resource() gives %px\n",ptr);
++
++	if (IS_ERR(ptr))
++		return PTR_ERR(ptr);
++
++	jmm_vcap.ocm_base=ptr;
++
++	gpiod_set_value(jmm_vcap.gpio,1);
++
++	return 0;
++}
++
++/**
++ * zynq_gpio_remove - Driver removal function
++ * @pdev:	platform device instance
++ *
++ * Return: 0 always
++ */
++static void jmm_vcap_remove(struct platform_device *pdev)
++{
++	//struct zynq_gpio *gpio = platform_get_drvdata(pdev);
++
++	jmm_vcap.ocm_base=NULL;
++}
++
++static struct platform_driver jmm_vcap_driver = {
++	.driver	= {
++		.name = "jmm-vcap",
++		.of_match_table = jmm_vcap_of_match,
++	},
++	.probe = jmm_vcap_probe,
++	.remove = jmm_vcap_remove,
++};
++
++
++static int __init jmm_vcap_init(void)
++{
++    int error;
++
++    //jmm_vcap_driver->driver.owner = THIS_MODULE;
++    //jmm_vcap_driver->driver.bus=&platform_bus_type;
++
++    error=platform_driver_register(&jmm_vcap_driver);
++    if (error) {
++        pr_err("platform_driver_register failed!!!\n");
++        printk(KERN_ERR "jmm_vcap" "platform_driver_register failed!!!\n");
++        return error;
++    }
++ 
++    error = misc_register(&jmm_vcap_device);
++    if (error) {
++	platform_driver_unregister(&jmm_vcap_driver);
++        pr_err("misc_register failed!!!\n");
++    	printk(KERN_ERR "jmm_vcap" "misc_register failed!!!\n");
++	return error;
++    }
++ 
++    pr_info("misc_register init done!!!\n");
++    printk(KERN_ERR "jmm_vcap" "misc_register init done!!!\n");
++
++#if 0
++    jmm_vcap = ioremap(0xfffc0000,0x40000);
++    pr_info("jmm_vcap mapped at %px\n",jmm_vcap);
++#endif
++
++    return 0;
++}
++
++static void __exit jmm_vcap_exit(void)
++{
++    misc_deregister(&jmm_vcap_device);
++    platform_driver_unregister(&jmm_vcap_driver);
++
++    pr_info("misc_register exit done!!!\n");
++
++#if 0
++    if (jmm_vcap.ocm_base) iounmap(jmm_vcap.ocm_base);
++#endif
++}
++ 
++module_init(jmm_vcap_init)
++module_exit(jmm_vcap_exit)
++ 
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("meh");
++MODULE_DESCRIPTION("jmm_vcap driver");
++MODULE_VERSION("1.00");
++
++
++
diff --git a/fpga/ebaz4205/src/ebaz4205-zynq7.dts b/fpga/ebaz4205/src/ebaz4205-zynq7.dts
index 1bfc5d5..eb5e3ac 100644
--- a/fpga/ebaz4205/src/ebaz4205-zynq7.dts
+++ b/fpga/ebaz4205/src/ebaz4205-zynq7.dts
@@ -30,12 +30,12 @@
 &amba {
 		plfb: sram@40000000 {
 		        compatible = "jmm,frame-buffer-device";
-			reg = <0x40000000 0x10000>;
+			reg = <0x40000000 0x40000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
-			ranges = <0 0x80000000 0x10000>;
+			ranges = <0 0x40000000 0x40000>;
 			plfb@0 {
-				reg = <0x0 0x10000>;
+				reg = <0x0 0x40000>;
 			};
 		};
 };
diff --git a/fpga/hp_lcd_driver/common.vhdl b/fpga/hp_lcd_driver/common.vhdl
index 08895d8..39d1f28 100644
--- a/fpga/hp_lcd_driver/common.vhdl
+++ b/fpga/hp_lcd_driver/common.vhdl
@@ -264,21 +264,15 @@ begin
 
 
 
---    r <= r_s when video_in_data(1) = '0' else
---	x"00" when video_in_data(0)='0' else
---	x"ff";
---    g <= g_s when video_in_data(1) = '0' else
---	x"00" when video_in_data(0)='0' else
---	x"ff";
---    b <= b_s when video_in_data(1) = '0' else
---	x"00" when video_in_data(0)='0' else
---	x"ff";
-
-r<=r_s;
-g<=g_s;
-b<=b_s;
-
-
+    r <= r_s when video_in_data(1) = '0' else
+	x"00" when video_in_data(0)='0' else
+	x"ff";
+    g <= g_s when video_in_data(1) = '0' else
+	x"00" when video_in_data(0)='0' else
+	x"ff";
+    b <= b_s when video_in_data(1) = '0' else
+	x"00" when video_in_data(0)='0' else
+	x"ff";
 
     output0 : entity work.output_stage
 
diff --git a/fpga/hp_lcd_driver/ebaz4205.xdc b/fpga/hp_lcd_driver/ebaz4205.xdc
index 30b073a..39ea882 100644
--- a/fpga/hp_lcd_driver/ebaz4205.xdc
+++ b/fpga/hp_lcd_driver/ebaz4205.xdc
@@ -117,6 +117,9 @@ set_property IOSTANDARD LVCMOS33 [get_ports {hsync_in}]
 #set_property PULLTYPE PULLUP [get_ports {sys_rst_n}]
 #		
 
+set_property PACKAGE_PIN M20 [get_ports {scope_ch1}]; #data2-19
+set_property IOSTANDARD LVCMOS33 [get_ports {scope_ch1}]
+
 create_clock -period 20.000 -name pcie_clkin [get_ports clk_50m]
 ##set_false_path -from [get_ports pci_exp_rst_n]
 #
diff --git a/fpga/hp_lcd_driver/zynq7_hp_lcd_driver.tcl b/fpga/hp_lcd_driver/zynq7_hp_lcd_driver.tcl
index babcc70..7887f6a 100644
--- a/fpga/hp_lcd_driver/zynq7_hp_lcd_driver.tcl
+++ b/fpga/hp_lcd_driver/zynq7_hp_lcd_driver.tcl
@@ -20,7 +20,7 @@ if {[llength $files] != 0} {
 
 #read_verilog [ glob ../source/*.v ]
 #read_vhdl -vhdl2008 -library work [ glob ../source/*.vhdl ]
-read_vhdl -vhdl2008 -library work { ../zynq7_wrapper.vhdl ../fifo_to_axi.vhdl ../clkgen_artix7.vhdl ../debounce.vhdl ../delay.vhdl ../edge_det.vhdl ../common.vhdl ../input_formatter.vhdl ../input_stage.vhdl ../output_analog.vhdl ../output_formatter.vhdl ../output_stage.vhdl ../synchronizer.vhdl ../tmds_encoder.vhdl ../tmds_encode.vhdl ../tmds_output_artix7.vhdl ../tmds_phy_artix7.vhdl ../vram_artix7.vhdl ../vnc_serializer.vhdl ../overlay_vram_artix7.vhdl }
+read_vhdl -vhdl2008 -library work { ../zynq7_wrapper.vhdl ../fifo_to_axi.vhdl ../clkgen_artix7.vhdl ../debounce.vhdl ../delay.vhdl ../edge_det.vhdl ../common.vhdl ../input_formatter.vhdl ../input_stage.vhdl ../output_analog.vhdl ../output_formatter.vhdl ../output_stage.vhdl ../synchronizer.vhdl ../tmds_encoder.vhdl ../tmds_encode.vhdl ../tmds_output_artix7.vhdl ../tmds_phy_artix7.vhdl ../vram_artix7.vhdl ../vnc_serializer.vhdl  }
 
 set generics {}
 append generics { } "video_width=$video_width"
diff --git a/fpga/hp_lcd_driver/zynq7_ip/axi_bram_ctrl_0.tcl b/fpga/hp_lcd_driver/zynq7_ip/axi_bram_ctrl_0.tcl
new file mode 100644
index 0000000..1933b91
--- /dev/null
+++ b/fpga/hp_lcd_driver/zynq7_ip/axi_bram_ctrl_0.tcl
@@ -0,0 +1,25 @@
+
+set source_dir [file dirname [file dirname [file normalize [info script]]]]
+
+source $source_dir/zynq7_config.tcl
+
+create_ip -name axi_bram_ctrl -vendor xilinx.com -library ip -version 4.1 -module_name axi_bram_ctrl_0 -dir $ip_dir
+
+
+set_property -dict [list \
+	CONFIG.BMG_INSTANCE {EXTERNAL} \
+	CONFIG.DATA_WIDTH {32} \
+	CONFIG.FAULT_INJECT {0} \
+	CONFIG.ID_WIDTH {12} \
+	CONFIG.MEM_DEPTH {262144} \
+	CONFIG.PROTOCOL {AXI4} \
+	CONFIG.RD_CMD_OPTIMIZATION {0} \
+	CONFIG.READ_LATENCY {2} \
+	CONFIG.SINGLE_PORT_BRAM {1} \
+	CONFIG.SUPPORTS_NARROW_BURST {0} \
+	CONFIG.USE_ECC {0} \
+	] [get_ips axi_bram_ctrl_0]
+
+generate_target all [get_ips]
+
+synth_ip [get_ips]
diff --git a/fpga/hp_lcd_driver/zynq7_ip/blk_mem_gen_1.tcl b/fpga/hp_lcd_driver/zynq7_ip/blk_mem_gen_1.tcl
new file mode 100644
index 0000000..e178395
--- /dev/null
+++ b/fpga/hp_lcd_driver/zynq7_ip/blk_mem_gen_1.tcl
@@ -0,0 +1,33 @@
+
+
+set source_dir [file dirname [file dirname [file normalize [info script]]]]
+
+source $source_dir/zynq7_config.tcl
+
+create_ip -name blk_mem_gen -vendor xilinx.com -library ip -version 8.4 -module_name blk_mem_gen_1 -dir $ip_dir
+
+
+
+set_property -dict [list  \
+	CONFIG.Memory_Type {True_Dual_Port_RAM}  \
+	CONFIG.Use_Byte_Write_Enable {true}  \
+	CONFIG.Byte_Size {8}  \
+	CONFIG.Write_Width_A {32}  \
+	CONFIG.Write_Depth_A {16384}  \
+	CONFIG.Read_Width_A {32}  \
+	CONFIG.Operating_Mode_A {WRITE_FIRST}  \
+	CONFIG.Write_Width_B {32}  \
+	CONFIG.Read_Width_B {32}  \
+	CONFIG.Operating_Mode_B {READ_FIRST}  \
+	CONFIG.Enable_B {Always_Enabled}  \
+	CONFIG.Register_PortA_Output_of_Memory_Primitives {true}  \
+	CONFIG.Register_PortB_Output_of_Memory_Primitives {true}  \
+	CONFIG.Port_B_Clock {100}  \
+	CONFIG.Port_B_Write_Rate {50}  \
+	CONFIG.Port_B_Enable_Rate {100} \
+	] [get_ips blk_mem_gen_1]
+
+generate_target all [get_ips]
+
+synth_ip [get_ips]
+
diff --git a/fpga/hp_lcd_driver/zynq7_ip/processing_system7_0.tcl b/fpga/hp_lcd_driver/zynq7_ip/processing_system7_0.tcl
index 4bd2319..92cf5d4 100644
--- a/fpga/hp_lcd_driver/zynq7_ip/processing_system7_0.tcl
+++ b/fpga/hp_lcd_driver/zynq7_ip/processing_system7_0.tcl
@@ -11,6 +11,11 @@ set_property -dict [list \
 	CONFIG.PCW_FPGA1_PERIPHERAL_FREQMHZ {250} \
 	CONFIG.PCW_FPGA2_PERIPHERAL_FREQMHZ {100} \
 	CONFIG.PCW_FPGA3_PERIPHERAL_FREQMHZ {50} \
+        CONFIG.PCW_M_AXI_GP0_ENABLE_STATIC_REMAP {0} \
+	CONFIG.PCW_M_AXI_GP0_FREQMHZ {100} \
+	CONFIG.PCW_M_AXI_GP0_ID_WIDTH {12} \
+	CONFIG.PCW_M_AXI_GP0_SUPPORT_NARROW_BURST {0} \
+	CONFIG.PCW_M_AXI_GP0_THREAD_ID_WIDTH {12} \
 	CONFIG.PCW_USE_S_AXI_HP0 {1} \
 	CONFIG.PCW_USE_HIGH_OCM {1} \
 	CONFIG.PCW_EN_CLK0_PORT {1} \
diff --git a/fpga/hp_lcd_driver/zynq7_wrapper.vhdl b/fpga/hp_lcd_driver/zynq7_wrapper.vhdl
index 00d56a8..ca90bea 100644
--- a/fpga/hp_lcd_driver/zynq7_wrapper.vhdl
+++ b/fpga/hp_lcd_driver/zynq7_wrapper.vhdl
@@ -89,7 +89,9 @@ entity zynq7_wrapper is
         hdmi_g_n : out std_logic;
         hdmi_b_p : out std_logic;
         hdmi_b_n : out std_logic;
-        hdmi_vcc : out std_logic
+        hdmi_vcc : out std_logic;
+
+        scope_ch1: out std_logic
         );
 
 end entity zynq7_wrapper;
@@ -105,43 +107,48 @@ architecture arch of zynq7_wrapper is
     signal emio_o : std_logic_vector(63 downto 0);
     signal emio_t : std_logic_vector(63 downto 0);
 
-
-
     signal gp0_aclk : std_logic;
     signal gp0_nrst : std_logic;
 
-    signal gp0_awaddr : STD_LOGIC_VECTOR ( 31 downto 0 );
-    signal gp0_awlen : STD_LOGIC_VECTOR ( 3 downto 0 );
-    signal gp0_awsize : STD_LOGIC_VECTOR ( 2 downto 0 );
-    signal gp0_awburst : STD_LOGIC_VECTOR ( 1 downto 0 );
-    signal gp0_awlock : STD_LOGIC_VECTOR ( 1 downto 0);
-    signal gp0_awcache : STD_LOGIC_VECTOR ( 3 downto 0 );
-    signal gp0_awprot : STD_LOGIC_VECTOR ( 2 downto 0 );
-    signal gp0_awvalid : STD_LOGIC;
-    signal gp0_awready : STD_LOGIC;
-    signal gp0_wdata : STD_LOGIC_VECTOR ( 31 downto 0 );
-    signal gp0_wstrb : STD_LOGIC_VECTOR ( 3 downto 0 );
-    signal gp0_wlast : STD_LOGIC;
-    signal gp0_wvalid : STD_LOGIC;
-    signal gp0_wready : STD_LOGIC;
-    signal gp0_bresp : STD_LOGIC_VECTOR ( 1 downto 0 );
-    signal gp0_bvalid : STD_LOGIC;
-    signal gp0_bready : STD_LOGIC;
-    signal gp0_araddr : STD_LOGIC_VECTOR ( 31 downto 0 );
-    signal gp0_arlen : STD_LOGIC_VECTOR ( 3 downto 0 );
-    signal gp0_arsize : STD_LOGIC_VECTOR ( 2 downto 0 );
-    signal gp0_arburst : STD_LOGIC_VECTOR ( 1 downto 0 );
-    signal gp0_arlock : STD_LOGIC_VECTOR( 1 downto 0);
-    signal gp0_arcache : STD_LOGIC_VECTOR ( 3 downto 0 );
-    signal gp0_arprot : STD_LOGIC_VECTOR ( 2 downto 0 );
-    signal gp0_arvalid : STD_LOGIC;
-    signal gp0_arready : STD_LOGIC;
-    signal gp0_rdata : STD_LOGIC_VECTOR ( 31 downto 0 );
-    signal gp0_rresp : STD_LOGIC_VECTOR ( 1 downto 0 );
-    signal gp0_rlast : STD_LOGIC;
-    signal gp0_rvalid : STD_LOGIC;
-    signal gp0_rready : STD_LOGIC;
- 
+    signal gp0_arvalid  : std_logic;
+    signal gp0_awvalid  : std_logic;
+    signal gp0_bready  : std_logic;
+    signal gp0_rready  : std_logic;
+    signal gp0_wlast  : std_logic;
+    signal gp0_wvalid  : std_logic;
+    signal gp0_arid  : std_logic_vector ( 11 downto 0 );
+    signal gp0_awid  : std_logic_vector ( 11 downto 0 );
+    signal gp0_wid  : std_logic_vector ( 11 downto 0 );
+    signal gp0_arburst  : std_logic_vector ( 1 downto 0 );
+    signal gp0_arlock  : std_logic_vector ( 1 downto 0 );
+    signal gp0_arsize  : std_logic_vector ( 2 downto 0 );
+    signal gp0_awburst  : std_logic_vector ( 1 downto 0 );
+    signal gp0_awlock  : std_logic_vector ( 1 downto 0 );
+    signal gp0_awsize  : std_logic_vector ( 2 downto 0 );
+    signal gp0_arprot  : std_logic_vector ( 2 downto 0 );
+    signal gp0_awprot  : std_logic_vector ( 2 downto 0 );
+    signal gp0_araddr  : std_logic_vector ( 31 downto 0 );
+    signal gp0_awaddr  : std_logic_vector ( 31 downto 0 );
+    signal gp0_wdata  : std_logic_vector ( 31 downto 0 );
+    signal gp0_arcache  : std_logic_vector ( 3 downto 0 );
+    signal gp0_arlen  : std_logic_vector ( 3 downto 0 );
+    signal gp0_arqos  : std_logic_vector ( 3 downto 0 );
+    signal gp0_awcache  : std_logic_vector ( 3 downto 0 );
+    signal gp0_awlen  : std_logic_vector ( 3 downto 0 );
+    signal gp0_awqos  : std_logic_vector ( 3 downto 0 );
+    signal gp0_wstrb  : std_logic_vector ( 3 downto 0 );
+    signal gp0_arready  : std_logic;
+    signal gp0_awready  : std_logic;
+    signal gp0_bvalid  : std_logic;
+    signal gp0_rlast  : std_logic;
+    signal gp0_rvalid  : std_logic;
+    signal gp0_wready  : std_logic;
+    signal gp0_bid  : std_logic_vector ( 11 downto 0 );
+    signal gp0_rid  : std_logic_vector ( 11 downto 0 );
+    signal gp0_bresp  : std_logic_vector ( 1 downto 0 );
+    signal gp0_rresp  : std_logic_vector ( 1 downto 0 );
+    signal gp0_rdata  : std_logic_vector ( 31 downto 0 );
+  
     signal hp0_aclk    : std_logic;
     signal hp0_nrst    : std_logic;
     signal hp0_arvalid : std_logic;
@@ -184,22 +191,26 @@ architecture arch of zynq7_wrapper is
 
     signal clk_50m_ps : std_logic;
 
-    signal overlay_r_addr : std_logic_vector(addr_width-1 downto 0);
-    signal overlay_r_clk  : std_logic;
-    signal overlay_r_data : std_logic_vector(1 downto 0);
+    signal overlay_addr : std_logic_vector(addr_width-1 downto 0);
+    signal overlay_clk  : std_logic;
+    signal overlay_data : std_logic_vector(1 downto 0);
+    signal overlay_demux :integer;
 
-    signal overlay_w_clk  : std_logic;
-    signal overlay_w_en : std_logic;
-    signal overlay_w_data : std_logic_vector(1 downto 0);
-    signal overlay_w_addr : std_logic_vector(addr_width-1 downto 0);
 
-    signal mem_ctl_addr : std_logic_vector (19 downto 0);
-    signal mem_ctl_data : std_logic_vector (31 downto 0);
-    signal mem_ctl_we_a : std_logic_vector (3 downto 0);
+    signal fb_ps_clk : STD_LOGIC;
+    signal fb_ps_en : STD_LOGIC;
+    signal fb_ps_we : STD_LOGIC_VECTOR ( 3 downto 0 );
+    signal fb_ps_addr : STD_LOGIC_VECTOR ( 19 downto 0 );
+    signal fb_ps_wrdata : STD_LOGIC_VECTOR ( 31 downto 0 );
+    signal fb_ps_rddata : STD_LOGIC_VECTOR ( 31 downto 0 );
+
+    signal fb_pl_addr : STD_LOGIC_VECTOR ( 13 downto 0 );
+    signal fb_pl_rddata : STD_LOGIC_VECTOR ( 31 downto 0 );
 
- 
 begin
 
+    scope_ch1 <= gp0_awvalid; --clk_50m_ps;
+
 
 
     common_i : entity work.common
@@ -237,9 +248,9 @@ begin
                   video_out_valid => vnc_valid,
                   video_out_data  => vnc_data,
                   video_out_index => vnc_index,
-		  video_in_clk    => overlay_r_clk,
-		  video_in_addr   => overlay_r_addr,
-		  video_in_data   => overlay_r_data
+		  video_in_clk    => overlay_clk,
+		  video_in_addr   => overlay_addr,
+		  video_in_data   => overlay_data
                   );
 
     processing_system7_0_i : entity work.processing_system7_0
@@ -293,39 +304,46 @@ begin
             GPIO_O           => emio_o,
             GPIO_T           => emio_t,
 
-            M_AXI_GP0_ACLK    => gp0_aclk,
 
-    M_AXI_GP0_AWADDR  => gp0_awaddr ,
-    M_AXI_GP0_AWLEN  => gp0_awlen ,
-    M_AXI_GP0_AWSIZE  => gp0_awsize ,
-    M_AXI_GP0_AWBURST  => gp0_awburst ,
-    M_AXI_GP0_AWLOCK  => gp0_awlock ,
-    M_AXI_GP0_AWCACHE  => gp0_awcache ,
-    M_AXI_GP0_AWPROT  => gp0_awprot ,
+    M_AXI_GP0_ARVALID  => gp0_arvalid ,
     M_AXI_GP0_AWVALID  => gp0_awvalid ,
-    M_AXI_GP0_AWREADY  => gp0_awready ,
-    M_AXI_GP0_WDATA  => gp0_wdata ,
-    M_AXI_GP0_WSTRB  => gp0_wstrb ,
+    M_AXI_GP0_BREADY  => gp0_bready ,
+    M_AXI_GP0_RREADY  => gp0_rready ,
     M_AXI_GP0_WLAST  => gp0_wlast ,
     M_AXI_GP0_WVALID  => gp0_wvalid ,
-    M_AXI_GP0_WREADY  => gp0_wready ,
-    M_AXI_GP0_BRESP  => gp0_bresp ,
-    M_AXI_GP0_BVALID  => gp0_bvalid ,
-    M_AXI_GP0_BREADY  => gp0_bready ,
-    M_AXI_GP0_ARADDR  => gp0_araddr ,
-    M_AXI_GP0_ARLEN  => gp0_arlen ,
-    M_AXI_GP0_ARSIZE  => gp0_arsize ,
+    M_AXI_GP0_ARID  => gp0_arid ,
+    M_AXI_GP0_AWID  => gp0_awid ,
+    M_AXI_GP0_WID  => gp0_wid ,
     M_AXI_GP0_ARBURST  => gp0_arburst ,
     M_AXI_GP0_ARLOCK  => gp0_arlock ,
-    M_AXI_GP0_ARCACHE  => gp0_arcache ,
+    M_AXI_GP0_ARSIZE  => gp0_arsize ,
+    M_AXI_GP0_AWBURST  => gp0_awburst ,
+    M_AXI_GP0_AWLOCK  => gp0_awlock ,
+    M_AXI_GP0_AWSIZE  => gp0_awsize ,
     M_AXI_GP0_ARPROT  => gp0_arprot ,
-    M_AXI_GP0_ARVALID  => gp0_arvalid ,
+    M_AXI_GP0_AWPROT  => gp0_awprot ,
+    M_AXI_GP0_ARADDR  => gp0_araddr ,
+    M_AXI_GP0_AWADDR  => gp0_awaddr ,
+    M_AXI_GP0_WDATA  => gp0_wdata ,
+    M_AXI_GP0_ARCACHE  => gp0_arcache ,
+    M_AXI_GP0_ARLEN  => gp0_arlen ,
+    M_AXI_GP0_ARQOS  => gp0_arqos ,
+    M_AXI_GP0_AWCACHE  => gp0_awcache ,
+    M_AXI_GP0_AWLEN  => gp0_awlen ,
+    M_AXI_GP0_AWQOS  => gp0_awqos ,
+    M_AXI_GP0_WSTRB  => gp0_wstrb ,
+    M_AXI_GP0_ACLK  => gp0_aclk ,
     M_AXI_GP0_ARREADY  => gp0_arready ,
-    M_AXI_GP0_RDATA  => gp0_rdata ,
-    M_AXI_GP0_RRESP  => gp0_rresp ,
+    M_AXI_GP0_AWREADY  => gp0_awready ,
+    M_AXI_GP0_BVALID  => gp0_bvalid ,
     M_AXI_GP0_RLAST  => gp0_rlast ,
     M_AXI_GP0_RVALID  => gp0_rvalid ,
-    M_AXI_GP0_RREADY  => gp0_rready ,
+    M_AXI_GP0_WREADY  => gp0_wready ,
+    M_AXI_GP0_BID  => gp0_bid ,
+    M_AXI_GP0_RID  => gp0_rid ,
+    M_AXI_GP0_BRESP  => gp0_bresp ,
+    M_AXI_GP0_RRESP  => gp0_rresp ,
+    M_AXI_GP0_RDATA  => gp0_rdata ,
 
             S_AXI_HP0_ACLK    => hp0_aclk,
             S_AXI_HP0_ARADDR  => hp0_araddr,
@@ -440,26 +458,54 @@ begin
             fifo_rd_en => fifo_rd_en
             );
 
+  fb_ram0: entity work.blk_mem_gen_1 
+	port map (
+ 	   	clka  =>  fb_ps_clk,
+		ena => fb_ps_en,
+    		wea => fb_ps_we,
+    		addra  => fb_ps_addr (15 downto 2),
+		dina => fb_ps_wrdata,
+		douta => fb_ps_rddata,
+		clkb => overlay_clk,
+		web => "0000",
+		addrb => fb_pl_addr,
+		dinb => x"00000000",
+		doutb => fb_pl_rddata
+		);
+
+
+
+	fb_pl_addr <= overlay_addr(17 downto 4);
+        
+   overlay_demux <= to_integer(unsigned(overlay_addr(3 downto 0)))*2;
+   overlay_data(0) <= fb_pl_rddata(overlay_demux);
+   overlay_data(1) <= fb_pl_rddata(overlay_demux +1);
+
+     -- fb_ps_rddata <=x"9abcdef0"; 
 
-    overlay_vram0 : entity work.overlay_vram
-        generic map (
-            addr_width  => addr_width
-            )
-        port map (
-            wr_clk  => overlay_w_clk,
-            wr_en   => overlay_w_en,
-            wr_addr => overlay_w_addr,
-            wr_data => overlay_w_data,
-            rd_clk  => overlay_r_clk,
-            rd_addr => overlay_r_addr,
-            rd_data => overlay_r_data
-            );
+
+--    ps_fb_rddata<=x"12345678";
+--    pl_fb_rddata<=x"9abcdef0";
+
+
+--    signal fb_ps_clk : STD_LOGIC;
+--    signal fb_ps_en : STD_LOGIC;
+--    signal fb_ps_we : STD_LOGIC_VECTOR ( 3 downto 0 );
+--    signal fb_ps_addr : STD_LOGIC_VECTOR ( 19 downto 0 );
+--    signal fb_ps_wrdata : STD_LOGIC_VECTOR ( 31 downto 0 );
+--    signal fb_ps_rddata : STD_LOGIC_VECTOR ( 31 downto 0 )
+--
+
+--
+--   
+--   overlay_data <= "00";
 
     axi_bram_ctrl_0_i : entity work.axi_bram_ctrl_0 
     port map (
     s_axi_aclk => gp0_aclk,
     s_axi_aresetn => gp0_nrst,
 
+    s_axi_awid  => gp0_awid ,
     s_axi_awaddr  => gp0_awaddr(19 downto 0) ,
     s_axi_awlen  => gp0_awlen ,
     s_axi_awsize  => gp0_awsize ,
@@ -474,10 +520,12 @@ begin
     s_axi_wlast  => gp0_wlast ,
     s_axi_wvalid  => gp0_wvalid ,
     s_axi_wready  => gp0_wready ,
+    s_axi_bid  => gp0_bid ,
     s_axi_bresp  => gp0_bresp ,
     s_axi_bvalid  => gp0_bvalid ,
     s_axi_bready  => gp0_bready ,
-    s_axi_araddr  => gp0_araddr (19 downto 0) ,
+    s_axi_arid  => gp0_arid ,
+    s_axi_araddr  => gp0_araddr(19 downto 0) ,
     s_axi_arlen  => gp0_arlen ,
     s_axi_arsize  => gp0_arsize ,
     s_axi_arburst  => gp0_arburst ,
@@ -486,25 +534,22 @@ begin
     s_axi_arprot  => gp0_arprot ,
     s_axi_arvalid  => gp0_arvalid ,
     s_axi_arready  => gp0_arready ,
+    s_axi_rid  => gp0_rid ,
     s_axi_rdata  => gp0_rdata ,
     s_axi_rresp  => gp0_rresp ,
     s_axi_rlast  => gp0_rlast ,
     s_axi_rvalid  => gp0_rvalid ,
     s_axi_rready  => gp0_rready ,
 
-    bram_rst_a  => open,
-    bram_clk_a => overlay_w_clk,
-    bram_en_a =>open,
-    bram_we_a => mem_ctl_we_a,
-    bram_addr_a =>  mem_ctl_addr,
-    bram_wrdata_a => mem_ctl_data,
-    bram_rddata_a => x"12345678"
-  );
 
+    bram_clk_a  => fb_ps_clk ,
+    bram_en_a  => fb_ps_en ,
+    bram_we_a  => fb_ps_we ,
+    bram_addr_a  => fb_ps_addr ,
+    bram_wrdata_a  => fb_ps_wrdata ,
+    bram_rddata_a  => fb_ps_rddata 
 
-  overlay_w_addr <= mem_ctl_addr(addr_width -1 downto 0);
-  overlay_w_data <= mem_ctl_data(1 downto 0);
-  overlay_w_en <=mem_ctl_we_a(0);
+  );
 
     hp0_araddr  <= (others => '0');
     hp0_arvalid <= '0';
diff --git a/rtd2556_board/firmware/4th_board/orig.bin b/rtd2556_board/firmware/4th_board/orig.bin
new file mode 100644
index 0000000..76b9f98
--- /dev/null
+++ b/rtd2556_board/firmware/4th_board/orig.bin