Changeset 253f35a1 in mainline for kernel/genarch/src/kbd/z8530.c

Timestamp:

2006-09-07T19:56:44Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ab1ae2d9

Parents:

801579fe

Message:

sparc64 work.

• Changes to enable userspace keyboard drivers.
• Fix z8530 initialization (i.e. clear any pending Tx interrupts).
• Experimental support for framebuffers with inverted colors.

File:

• kernel/genarch/src/kbd/z8530.c (modified) (6 diffs)

kernel/genarch/src/kbd/z8530.c

@@ -42 +42 @@
 #include <arch/drivers/z8530.h>
 #include <arch/interrupt.h>
+#include <arch/drivers/kbd.h>
 #include <cpu.h>
 #include <arch/asm.h>
@@ -49 +50 @@
 #include <console/console.h>
 #include <interrupt.h>
+#include <sysinfo/sysinfo.h>
+#include <print.h>
 
 /*
@@ -54 +57 @@
  */
 #define IGNORE_CODE     0x7f            /* all keys up */
+
+bool z8530_belongs_to_kernel = true;
 
 static void z8530_suspend(chardev_t *);
@@ -70 +75 @@
 void z8530_grab(void)
 {
+        z8530_belongs_to_kernel = true;
 }
 
@@ -75 +81 @@
 void z8530_release(void)
 {
+        z8530_belongs_to_kernel = false;
 }
 
@@ -83 +90 @@
         stdin = &kbrd;
 
+        sysinfo_set_item_val("kbd", NULL, true);
+        sysinfo_set_item_val("kbd.irq", NULL, 0);
+        sysinfo_set_item_val("kbd.address.virtual", NULL, (uintptr_t) kbd_virt_address);
+
         (void) z8530_read_a(RR8);
 
-        z8530_write_a(WR1, WR1_IARCSC); /* interrupt on all characters */
+        /*
+         * Clear any pending TX interrupts or we never manage
+         * to set FHC UART interrupt state to idle.
+         */
+        z8530_write_a(WR0, WR0_TX_IP_RST);
+
+        z8530_write_a(WR1, WR1_IARCSC);         /* interrupt on all characters */
 
         /* 8 bits per character and enable receiver */
         z8530_write_a(WR3, WR3_RX8BITSCH | WR3_RX_ENABLE);
         
-        z8530_write_a(WR9, WR9_MIE);    /* Master Interrupt Enable. */
+        z8530_write_a(WR9, WR9_MIE);            /* Master Interrupt Enable. */
         
         /*