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sparc32 -20 merge remainder

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git-svn-id: svn://coreboot.org/openbios/openbios-devel@41 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Stefan Reinauer
2006-06-05 12:37:25 +00:00
parent f936ed58b3
commit e43a4c0025
4 changed files with 199 additions and 10 deletions
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189
arch/sparc32/console.c
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@@ -17,10 +17,30 @@
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
#define KBD_BASE 0x71000004
#define SERIAL_BASE 0x71100004
#define CTRL(port) (SERIAL_BASE + (port) * 2 + 0)
#define DATA(port) (SERIAL_BASE + (port) * 2 + 2)
/* Conversion routines to/from brg time constants from/to bits
* per second.
*/
#define BRG_TO_BPS(brg, freq) ((freq) / 2 / ((brg) + 2))
#define BPS_TO_BRG(bps, freq) ((((freq) + (bps)) / (2 * (bps))) - 2)
#define ZS_CLOCK 4915200 /* Zilog input clock rate. */
#define ZS_CLOCK_DIVISOR 16 /* Divisor this driver uses. */
/* Write Register 3 */
#define RxENAB 0x1 /* Rx Enable */
/* Write Register 5 */
#define TxENAB 0x8 /* Tx Enable */
/* Write Register 14 (Misc control bits) */
#define BRENAB 1 /* Baud rate generator enable */
#define BRSRC 2 /* Baud rate generator source */
static int uart_charav(int port)
{
return ((inb(CTRL(port)) & 1) != 0);
@@ -42,13 +62,20 @@ static void uart_putchar(int port, unsigned char c)
static void uart_init_line(int port, unsigned long baud)
{
outb(3, CTRL(port)); // reg 3
outb(1, CTRL(port)); // enable rx
outb(3, CTRL(port)); // reg 3
outb(RxENAB, CTRL(port)); // enable rx
outb(5, CTRL(port)); // reg 5
outb(8, CTRL(port)); // enable tx
outb(5, CTRL(port)); // reg 5
outb(TxENAB, CTRL(port)); // enable tx
// XXX: baud rate
baud = BPS_TO_BRG(baud, ZS_CLOCK / ZS_CLOCK_DIVISOR);
outb(12, CTRL(port)); // reg 12
outb(baud & 0xff, CTRL(port));
outb(13, CTRL(port)); // reg 13
outb((baud >> 8) & 0xff, CTRL(port));
outb(14, CTRL(port)); // reg 14
outb(BRSRC | BRENAB, CTRL(port));
}
int uart_init(int port, unsigned long speed)
@@ -74,6 +101,143 @@ static void serial_cls(void)
#endif
/* ******************************************************************
* simple polling video/keyboard console functions
* ****************************************************************** */
#ifdef CONFIG_DEBUG_CONSOLE_VIDEO
#define VMEM_BASE 0x00800000
#define VMEM_SIZE (1024*768*1)
#define DAC_BASE 0x00200000
#define DAC_SIZE 16
static unsigned char *vmem;
static volatile uint32_t *dac;
typedef struct osi_fb_info {
unsigned long mphys;
int rb, w, h, depth;
} osi_fb_info_t;
int TCX_GetFBInfo( osi_fb_info_t *fb )
{
fb->w = 1024;
fb->h = 768;
fb->depth = 8;
fb->rb = 1024;
fb->mphys = vmem;
return 0;
}
#define openbios_GetFBInfo(x) TCX_GetFBInfo(x)
#include "../../modules/video.c"
#include "../../modules/console.c"
static void video_putchar(int c)
{
char buf[2];
buf[0] = c & 0xff;
buf[1] = 0;
console_draw_str(buf);
}
static void video_cls(void)
{
memset((void *)vmem, 0, VMEM_SIZE);
}
void tcx_init(unsigned long base)
{
#if 1
unsigned int i;
// Create 1:1 mapping for video memory
for (i = 0; i < VMEM_SIZE; i += 4096) {
map_page(base + VMEM_BASE + i, base + VMEM_BASE + i, 0);
}
vmem = (char *)base + VMEM_BASE;
#else
vmem = map_io(base + VMEM_BASE, VMEM_SIZE);
#endif
dac = map_io(base + DAC_BASE, DAC_SIZE);
console_init();
}
static const unsigned char sunkbd_keycode[128] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 0, 8,
0, 0, 0, 0, 0, 0, 0, 0, 0, 9,
'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']',
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '\\', 13,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/',
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
' ',
};
static const unsigned char sunkbd_keycode_shifted[128] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
'!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', 0, 8,
0, 0, 0, 0, 0, 0, 0, 0, 0, 9,
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}',
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '|', 13,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?',
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
' ',
};
static int shiftstate;
static int
keyboard_dataready(void)
{
return ((inb(KBD_BASE) & 1) == 1);
}
static unsigned char
keyboard_readdata(void)
{
unsigned char ch;
while (!keyboard_dataready()) { }
do {
ch = inb(KBD_BASE + 2) & 0xff;
if (ch == 99)
shiftstate |= 1;
else if (ch == 110)
shiftstate |= 2;
else if (ch == 227)
shiftstate &= ~1;
else if (ch == 238)
shiftstate &= ~2;
//printk("getch: %d\n", ch);
}
while ((ch & 0x80) == 0 || ch == 238 || ch == 227); // Wait for key release
//printk("getch rel: %d\n", ch);
ch &= 0x7f;
if (shiftstate)
ch = sunkbd_keycode_shifted[ch];
else
ch = sunkbd_keycode[ch];
//printk("getch xlate: %d\n", ch);
return ch;
}
#endif
/* ******************************************************************
* common functions, implementing simple concurrent console
* ****************************************************************** */
@@ -82,6 +246,9 @@ int putchar(int c)
{
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
serial_putchar(c);
#endif
#ifdef CONFIG_DEBUG_CONSOLE_VIDEO
video_putchar(c);
#endif
return c;
}
@@ -91,6 +258,10 @@ int availchar(void)
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
if (uart_charav(CONFIG_SERIAL_PORT))
return 1;
#endif
#ifdef CONFIG_DEBUG_CONSOLE_VIDEO
if (keyboard_dataready())
return 1;
#endif
return 0;
}
@@ -100,6 +271,10 @@ int getchar(void)
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
if (uart_charav(CONFIG_SERIAL_PORT))
return (uart_getchar(CONFIG_SERIAL_PORT));
#endif
#ifdef CONFIG_DEBUG_CONSOLE_VIDEO
if (keyboard_dataready())
return (keyboard_readdata());
#endif
return 0;
}
@@ -109,6 +284,10 @@ void cls(void)
#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
serial_cls();
#endif
#ifdef CONFIG_DEBUG_CONSOLE_VIDEO
video_cls();
#endif
}
#endif // CONFIG_DEBUG_CONSOLE