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-rw-r--r--fpga/ebaz4205/linux-6.16.4-pq/master/serial-test287
-rw-r--r--fpga/hp_lcd_driver/Makefile2
-rw-r--r--fpga/hp_lcd_driver/ebaz4205.xdc12
-rw-r--r--fpga/hp_lcd_driver/fb_ram.vhdl81
-rw-r--r--fpga/hp_lcd_driver/zynq7_ip/axi_uart16550_0.tcl12
-rw-r--r--fpga/hp_lcd_driver/zynq7_wrapper.vhdl13
6 files changed, 400 insertions, 7 deletions
diff --git a/fpga/ebaz4205/linux-6.16.4-pq/master/serial-test b/fpga/ebaz4205/linux-6.16.4-pq/master/serial-test
new file mode 100644
index 0000000..ff0ea66
--- /dev/null
+++ b/fpga/ebaz4205/linux-6.16.4-pq/master/serial-test
@@ -0,0 +1,287 @@
+diff --git a/.config b/.config
+index e06bfbd12..baad3e250 100644
+--- a/.config
++++ b/.config
+@@ -1794,6 +1794,7 @@ CONFIG_PCI_ENDPOINT_TEST=m
+ # CONFIG_MCHP_LAN966X_PCI is not set
+ CONFIG_MISC_JMM_VCAP=y
+ CONFIG_MISC_JMM_FB=y
++CONFIG_MISC_SERIAL_TEST=y
+ # CONFIG_C2PORT is not set
+
+ #
+diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
+index b56499f42..35ac2299a 100644
+--- a/drivers/misc/Kconfig
++++ b/drivers/misc/Kconfig
+@@ -650,6 +650,9 @@ config MISC_JMM_VCAP
+ config MISC_JMM_FB
+ tristate "JMM_FB Driver"
+
++config MISC_SERIAL_TEST
++ tristate "serial test 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 7f3eadf0e..9aff2404c 100644
+--- a/drivers/misc/Makefile
++++ b/drivers/misc/Makefile
+@@ -68,6 +68,7 @@ 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-$(CONFIG_MISC_SERIAL_TEST) += serial_test.o
+ obj-$(CONFIG_TPS6594_ESM) += tps6594-esm.o
+ obj-$(CONFIG_TPS6594_PFSM) += tps6594-pfsm.o
+ obj-$(CONFIG_NSM) += nsm.o
+diff --git a/drivers/misc/serial_test.c b/drivers/misc/serial_test.c
+new file mode 100644
+index 000000000..1dbb9fc37
+--- /dev/null
++++ b/drivers/misc/serial_test.c
+@@ -0,0 +1,243 @@
++#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>
++
++
++
++static struct serial_test {
++ uint8_t *reg_base;
++ size_t reg_len;
++} serial_test;
++
++
++/*
++** This function will be called when we open the Misc device file
++*/
++static int serial_test_open(struct inode *inode, struct file *file)
++{
++ pr_info("serial_test device open\n");
++ return 0;
++}
++
++/*
++** This function will be called when we close the Misc Device file
++*/
++static int serial_test_close(struct inode *inodep, struct file *filp)
++{
++ pr_info("serial_test device close\n");
++ return 0;
++}
++
++/*
++** This function will be called when we write the Misc Device file
++*/
++static ssize_t serial_test_write(struct file *file, const char __user *buf,
++ size_t len, loff_t *ppos)
++{
++ pr_info("serial_test 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 serial_test_read(struct file *filp, char __user *buf,
++ size_t count, loff_t *f_pos)
++{
++
++ if (*f_pos>=serial_test.reg_len) return 0;
++
++ if ((*f_pos+count)>serial_test.reg_len) {
++ count=serial_test.reg_len-*f_pos;
++ }
++
++ if (copy_to_user(buf, serial_test.reg_base+(*f_pos), count))
++ return -EFAULT;
++
++ (*f_pos) += count;
++
++ return count;
++}
++
++static loff_t serial_test_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=serial_test.reg_len + offset;
++ break;
++default:
++ return -EINVAL;
++}
++
++
++if (new_offset<0)
++ return -EINVAL;
++if (new_offset>serial_test.reg_len)
++ return -EINVAL;
++
++filp->f_pos=new_offset;
++
++return new_offset;
++}
++
++
++//File operation structure
++static const struct file_operations fops = {
++ .owner = THIS_MODULE,
++ .write = serial_test_write,
++ .read = serial_test_read,
++ .open = serial_test_open,
++ .release = serial_test_close,
++ .llseek = serial_test_llseek,
++};
++
++//Misc device structure
++struct miscdevice serial_test_device = {
++ .minor = MISC_DYNAMIC_MINOR,
++ .name = "serial_test",
++ .fops = &fops,
++};
++
++
++static const struct of_device_id serial_test_of_match[] = {
++ { .compatible = "jmm,serial-test" },
++ { /* end of table */ }
++};
++MODULE_DEVICE_TABLE(of, serial_test_of_match);
++
++
++static int serial_test_probe(struct platform_device *pdev)
++{
++ struct resource *res;
++ const struct of_device_id *match;
++ uint8_t *ptr;
++
++
++ match = of_match_node(serial_test_of_match, pdev->dev.of_node);
++ pr_info("serial_test match %px\n",match);
++ printk(KERN_ERR "serial_test" "serial_test match %px\n",match);
++ if (!match) {
++ dev_err(&pdev->dev, "of_match_node() failed\n");
++ printk(KERN_ERR "serial_test" "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 "serial_test" "can't get parent mmio range\n");
++ return -EINVAL;
++ }
++
++ serial_test.reg_len=res->end - res->start;
++ serial_test.reg_len++;
++ pr_info("serial_test resource indicates length of 0x%x\n",serial_test.reg_len);
++ printk(KERN_ERR "serial_test" "serial_test resource indicates length of 0x%x\n",serial_test.reg_len);
++
++ ptr = devm_ioremap_resource(&pdev->dev, res);
++ pr_info("serial_test devm_ioremap_resource() gives %px\n",ptr);
++ printk(KERN_ERR "serial_test" "serial_test devm_ioremap_resource() gives %px\n",ptr);
++
++ if (IS_ERR(ptr))
++ return PTR_ERR(ptr);
++
++ serial_test.reg_base=ptr;
++
++ return 0;
++}
++
++/**
++ * zynq_gpio_remove - Driver removal function
++ * @pdev: platform device instance
++ *
++ * Return: 0 always
++ */
++static void serial_test_remove(struct platform_device *pdev)
++{
++ serial_test.reg_base=NULL;
++}
++
++static struct platform_driver serial_test_driver = {
++ .driver = {
++ .name = "jmm-serial-test",
++ .of_match_table = serial_test_of_match,
++ },
++ .probe = serial_test_probe,
++ .remove = serial_test_remove,
++};
++
++
++static int __init serial_test_init(void)
++{
++ int error;
++
++ //serial_test_driver->driver.owner = THIS_MODULE;
++ //serial_test_driver->driver.bus=&platform_bus_type;
++
++ error=platform_driver_register(&serial_test_driver);
++ if (error) {
++ pr_err("platform_driver_register failed!!!\n");
++ printk(KERN_ERR "serial_test" "platform_driver_register failed!!!\n");
++ return error;
++ }
++
++ error = misc_register(&serial_test_device);
++ if (error) {
++ platform_driver_unregister(&serial_test_driver);
++ pr_err("misc_register failed!!!\n");
++ printk(KERN_ERR "serial_test" "misc_register failed!!!\n");
++ return error;
++ }
++
++ pr_info("misc_register init done!!!\n");
++ printk(KERN_ERR "serial_test" "misc_register init done!!!\n");
++
++#if 0
++ serial_test = ioremap(0xfffc0000,0x40000);
++ pr_info("serial_test mapped at %px\n",serial_test);
++#endif
++
++ return 0;
++}
++
++static void __exit serial_test_exit(void)
++{
++ misc_deregister(&serial_test_device);
++ platform_driver_unregister(&serial_test_driver);
++
++ pr_info("misc_register exit done!!!\n");
++
++#if 0
++ if (serial_test.reg_base) iounmap(serial_test.reg_base);
++#endif
++}
++
++module_init(serial_test_init)
++module_exit(serial_test_exit)
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("meh");
++MODULE_DESCRIPTION("serial_test driver");
++MODULE_VERSION("1.00");
++
++
++
diff --git a/fpga/hp_lcd_driver/Makefile b/fpga/hp_lcd_driver/Makefile
index 0558bdd..9b9fe65 100644
--- a/fpga/hp_lcd_driver/Makefile
+++ b/fpga/hp_lcd_driver/Makefile
@@ -1,4 +1,4 @@
-DIP=10.16.66.234
+DIP=10.16.66.224
#TARGETS=rando_a7
TARGETS=ebaz4205
#TARGETS= ebaz4205 #rando_a7 #smh-ac415b #spartan6 #ep4ce6 smh-ac415
diff --git a/fpga/hp_lcd_driver/ebaz4205.xdc b/fpga/hp_lcd_driver/ebaz4205.xdc
index c2ee09d..9d345be 100644
--- a/fpga/hp_lcd_driver/ebaz4205.xdc
+++ b/fpga/hp_lcd_driver/ebaz4205.xdc
@@ -117,14 +117,14 @@ set_property IOSTANDARD LVCMOS33 [get_ports {hsync_in}]
#set_property PULLTYPE PULLUP [get_ports {sys_rst_n}]
#
-set_property PACKAGE_PIN M19 [get_ports {u0_tx}]; #data3-5
-set_property IOSTANDARD LVCMOS33 [get_ports {u0_tx}]
-set_property PACKAGE_PIN P18 [get_ports {u0_rx}]; #data3-7
-set_property IOSTANDARD LVCMOS33 [get_ports {u0_rx}]
-set_property PACKAGE_PIN N17 [get_ports {u1_tx}]; #data3-9
+set_property PACKAGE_PIN M19 [get_ports {u1_tx}]; #data3-5
set_property IOSTANDARD LVCMOS33 [get_ports {u1_tx}]
-set_property PACKAGE_PIN P20 [get_ports {u1_rx}]; #data3-11
+set_property PACKAGE_PIN N20 [get_ports {u0_tx}]; #data3-6
+set_property IOSTANDARD LVCMOS33 [get_ports {u0_tx}]
+set_property PACKAGE_PIN P18 [get_ports {u1_rx}]; #data3-7
set_property IOSTANDARD LVCMOS33 [get_ports {u1_rx}]
+set_property PACKAGE_PIN M17 [get_ports {u0_rx}]; #data3-8
+set_property IOSTANDARD LVCMOS33 [get_ports {u0_rx}]
set_property PACKAGE_PIN M20 [get_ports {scope_ch1}]; #data2-19
set_property IOSTANDARD LVCMOS33 [get_ports {scope_ch1}]
diff --git a/fpga/hp_lcd_driver/fb_ram.vhdl b/fpga/hp_lcd_driver/fb_ram.vhdl
new file mode 100644
index 0000000..89c1a1a
--- /dev/null
+++ b/fpga/hp_lcd_driver/fb_ram.vhdl
@@ -0,0 +1,81 @@
+library IEEE;
+use IEEE.STD_LOGIC_1164.all;
+use IEEE.NUMERIC_STD.all;
+use work.all;
+
+entity fb_ram is
+ Port (
+ clka : in STD_LOGIC;
+ ena : in STD_LOGIC;
+ wea : in STD_LOGIC_VECTOR ( 3 downto 0 );
+ addra : in STD_LOGIC_VECTOR ( 15 downto 0 );
+ dina : in STD_LOGIC_VECTOR ( 31 downto 0 );
+ douta : out STD_LOGIC_VECTOR ( 31 downto 0 );
+ clkb : in STD_LOGIC;
+ web : in STD_LOGIC_VECTOR ( 3 downto 0 );
+ addrb : in STD_LOGIC_VECTOR ( 15 downto 0 );
+ dinb : in STD_LOGIC_VECTOR ( 31 downto 0 );
+ doutb : out STD_LOGIC_VECTOR ( 31 downto 0 )
+ );
+end fb_ram;
+
+architecture Behavioural of fb_ram is
+type t_d is array (0 to 3) of std_logic_vector(2 downto 0);
+
+signal s_dina:t_d;
+signal s_dinb:t_d;
+signal s_douta:t_d;
+signal s_doutb:t_d;
+
+begin
+
+
+  g_fbram: for i in 0 to 3 generate
+
+ s_dina(i)(2) <= dina((8*i)+7);
+ s_dina(i)(1) <= dina((8*i)+4);
+ s_dina(i)(0) <= dina((8*i)+1);
+
+ douta((8*i)+7) <= s_douta(i)(2);
+ douta((8*i)+6) <= s_douta(i)(2);
+ douta((8*i)+5) <= s_douta(i)(2);
+ douta((8*i)+4) <= s_douta(i)(1);
+ douta((8*i)+3) <= s_douta(i)(1);
+ douta((8*i)+2) <= s_douta(i)(1);
+ douta((8*i)+1) <= s_douta(i)(0);
+ douta((8*i)+0) <= s_douta(i)(0);
+
+ s_dinb(i)(2) <= dinb((8*i)+7);
+ s_dinb(i)(1) <= dinb((8*i)+4);
+ s_dinb(i)(0) <= dinb((8*i)+1);
+
+ doutb((8*i)+7) <= s_doutb(i)(2);
+ doutb((8*i)+6) <= s_doutb(i)(2);
+ doutb((8*i)+5) <= s_doutb(i)(2);
+ doutb((8*i)+4) <= s_doutb(i)(1);
+ doutb((8*i)+3) <= s_doutb(i)(1);
+ doutb((8*i)+2) <= s_doutb(i)(1);
+ doutb((8*i)+1) <= s_doutb(i)(0);
+ doutb((8*i)+0) <= s_doutb(i)(0);
+
+
+
+ fb_ram_i : entity work.blk_mem_gen_1
+ port map (
+ clka => clka,
+ ena => ena,
+ wea => wea(i),
+ addra => addra,
+ dina => s_dina(i),
+ douta => s_douta(i),
+ clkb => clkb,
+ web => web(0),
+ addrb => addrb,
+ dinb => s_dinb(i),
+ doutb => s_doutb(i)
+ );
+
+ end generate;
+
+
+end Behavioural;
diff --git a/fpga/hp_lcd_driver/zynq7_ip/axi_uart16550_0.tcl b/fpga/hp_lcd_driver/zynq7_ip/axi_uart16550_0.tcl
index 7005584..13d4573 100644
--- a/fpga/hp_lcd_driver/zynq7_ip/axi_uart16550_0.tcl
+++ b/fpga/hp_lcd_driver/zynq7_ip/axi_uart16550_0.tcl
@@ -5,6 +5,18 @@ source $source_dir/zynq7_config.tcl
create_ip -name axi_uart16550 -vendor xilinx.com -library ip -version 2.0 -module_name axi_uart16550_0 -dir $ip_dir
+set_property -dict [ list \
+ CONFIG.C_EXTERNAL_XIN_CLK_HZ {25000000} \
+ CONFIG.C_HAS_EXTERNAL_RCLK {0} \
+ CONFIG.C_HAS_EXTERNAL_XIN {0} \
+ CONFIG.C_IS_A_16550 {16550} \
+ CONFIG.C_S_AXI_ACLK_FREQ_HZ {50000000} \
+ CONFIG.C_USE_MODEM_PORTS {1} \
+ CONFIG.C_USE_USER_PORTS {1} \
+ CONFIG.UART_BOARD_INTERFACE {Custom} \
+ ] [get_ips axi_uart16550_0]
+
+
generate_target all [get_ips]
synth_ip [get_ips]
diff --git a/fpga/hp_lcd_driver/zynq7_wrapper.vhdl b/fpga/hp_lcd_driver/zynq7_wrapper.vhdl
index 0107700..8efbbb5 100644
--- a/fpga/hp_lcd_driver/zynq7_wrapper.vhdl
+++ b/fpga/hp_lcd_driver/zynq7_wrapper.vhdl
@@ -241,6 +241,12 @@ architecture arch of zynq7_wrapper is
signal overlay_b : std_logic_vector(7 downto 0);
+-- signal u0_t0 : std_logic;
+-- signal u0_t1 : std_logic;
+-- signal u1_t0 : std_logic;
+-- signal u1_t1 : std_logic;
+
+
begin
@@ -617,6 +623,13 @@ begin
);
+-- u0_t1 <= u0_rx and u0_t0;
+-- u1_t1 <= u1_rx and u1_t0;
+
+-- u1_tx <= u0_rx;
+-- u0_tx <= u1_rx;
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-08 17:41:14 +0000