Move top level pc80 directory to drivers/

There is no reason for this to be a top level directory.
Some stuff from lib/ should also be moved to drivers/

Change-Id: I3c2d2e127f7215eadead029cfc7442c22b26814a
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/939
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

1 files changed, 0 insertions, 340 deletions

diff --git a/src/pc80/mc146818rtc.c b/src/pc80/mc146818rtc.c
deleted file mode 100644
index 99d670de42..0000000000
--- a/src/pc80/mc146818rtc.c
+++ /dev/null
@@ -1,340 +0,0 @@
-#include <stdint.h>
-#include <console/console.h>
-#include <pc80/mc146818rtc.h>
-#include <boot/coreboot_tables.h>
-#include <string.h>
-#if CONFIG_USE_OPTION_TABLE
-#include "option_table.h"
-#include <cbfs.h>
-#endif
-
-/* control registers - Moto names
- */
-#define RTC_REG_A		10
-#define RTC_REG_B		11
-#define RTC_REG_C		12
-#define RTC_REG_D		13
-
-
-/**********************************************************************
- * register details
- **********************************************************************/
-#define RTC_FREQ_SELECT	RTC_REG_A
-
-/* update-in-progress  - set to "1" 244 microsecs before RTC goes off the bus,
- * reset after update (may take 1.984ms @ 32768Hz RefClock) is complete,
- * totalling to a max high interval of 2.228 ms.
- */
-# define RTC_UIP		0x80
-# define RTC_DIV_CTL		0x70
-   /* divider control: refclock values 4.194 / 1.049 MHz / 32.768 kHz */
-#  define RTC_REF_CLCK_4MHZ	0x00
-#  define RTC_REF_CLCK_1MHZ	0x10
-#  define RTC_REF_CLCK_32KHZ	0x20
-   /* 2 values for divider stage reset, others for "testing purposes only" */
-#  define RTC_DIV_RESET1	0x60
-#  define RTC_DIV_RESET2	0x70
-  /* Periodic intr. / Square wave rate select. 0=none, 1=32.8kHz,... 15=2Hz */
-# define RTC_RATE_SELECT 	0x0F
-#  define RTC_RATE_NONE		0x00
-#  define RTC_RATE_32786HZ	0x01
-#  define RTC_RATE_16384HZ	0x02
-#  define RTC_RATE_8192HZ	0x03
-#  define RTC_RATE_4096HZ	0x04
-#  define RTC_RATE_2048HZ	0x05
-#  define RTC_RATE_1024HZ	0x06
-#  define RTC_RATE_512HZ	0x07
-#  define RTC_RATE_256HZ	0x08
-#  define RTC_RATE_128HZ	0x09
-#  define RTC_RATE_64HZ		0x0a
-#  define RTC_RATE_32HZ		0x0b
-#  define RTC_RATE_16HZ		0x0c
-#  define RTC_RATE_8HZ		0x0d
-#  define RTC_RATE_4HZ		0x0e
-#  define RTC_RATE_2HZ		0x0f
-
-/**********************************************************************/
-#define RTC_CONTROL	RTC_REG_B
-# define RTC_SET 0x80		/* disable updates for clock setting */
-# define RTC_PIE 0x40		/* periodic interrupt enable */
-# define RTC_AIE 0x20		/* alarm interrupt enable */
-# define RTC_UIE 0x10		/* update-finished interrupt enable */
-# define RTC_SQWE 0x08		/* enable square-wave output */
-# define RTC_DM_BINARY 0x04	/* all time/date values are BCD if clear */
-# define RTC_24H 0x02		/* 24 hour mode - else hours bit 7 means pm */
-# define RTC_DST_EN 0x01	/* auto switch DST - works f. USA only */
-
-/**********************************************************************/
-#define RTC_INTR_FLAGS	RTC_REG_C
-/* caution - cleared by read */
-# define RTC_IRQF 0x80		/* any of the following 3 is active */
-# define RTC_PF 0x40
-# define RTC_AF 0x20
-# define RTC_UF 0x10
-
-/**********************************************************************/
-#define RTC_VALID	RTC_REG_D
-# define RTC_VRT 0x80		/* valid RAM and time */
-/**********************************************************************/
-
-#if CONFIG_USE_OPTION_TABLE
-static int rtc_checksum_valid(int range_start, int range_end, int cks_loc)
-{
-	int i;
-	u16 sum, old_sum;
-	sum = 0;
-	for(i = range_start; i <= range_end; i++) {
-		sum += cmos_read(i);
-	}
-	old_sum = ((cmos_read(cks_loc)<<8) | cmos_read(cks_loc+1))&0x0ffff;
-	return sum == old_sum;
-}
-
-static void rtc_set_checksum(int range_start, int range_end, int cks_loc)
-{
-	int i;
-	u16 sum;
-	sum = 0;
-	for(i = range_start; i <= range_end; i++) {
-		sum += cmos_read(i);
-	}
-	cmos_write(((sum >> 8) & 0x0ff), cks_loc);
-	cmos_write(((sum >> 0) & 0x0ff), cks_loc+1);
-}
-#endif
-
-#if CONFIG_ARCH_X86
-#define RTC_CONTROL_DEFAULT (RTC_24H)
-#define RTC_FREQ_SELECT_DEFAULT (RTC_REF_CLCK_32KHZ | RTC_RATE_1024HZ)
-#else
-#if CONFIG_ARCH_ALPHA
-#define RTC_CONTROL_DEFAULT (RTC_SQWE | RTC_24H)
-#define RTC_FREQ_SELECT_DEFAULT (RTC_REF_CLCK_32KHZ | RTC_RATE_1024HZ)
-#endif
-#endif
-
-void rtc_init(int invalid)
-{
-#if CONFIG_USE_OPTION_TABLE
-	unsigned char x;
-	int cmos_invalid, checksum_invalid;
-#endif
-
-	printk(BIOS_DEBUG, "RTC Init\n");
-
-#if CONFIG_USE_OPTION_TABLE
-	/* See if there has been a CMOS power problem. */
-	x = cmos_read(RTC_VALID);
-	cmos_invalid = !(x & RTC_VRT);
-
-	/* See if there is a CMOS checksum error */
-	checksum_invalid = !rtc_checksum_valid(PC_CKS_RANGE_START,
-			PC_CKS_RANGE_END,PC_CKS_LOC);
-
-#define CLEAR_CMOS 0
-	if (invalid || cmos_invalid || checksum_invalid) {
-		printk(BIOS_WARNING, "RTC:%s%s%s%s\n",
-			invalid?" Clear requested":"",
-			cmos_invalid?" Power Problem":"",
-			checksum_invalid?" Checksum invalid":"",
-			CLEAR_CMOS?" zeroing cmos":"");
-#if CLEAR_CMOS
-		cmos_write(0, 0x01);
-		cmos_write(0, 0x03);
-		cmos_write(0, 0x05);
-		for(i = 10; i < 48; i++) {
-			cmos_write(0, i);
-		}
-
-		if (cmos_invalid) {
-			/* Now setup a default date of Sat 1 January 2000 */
-			cmos_write(0, 0x00); /* seconds */
-			cmos_write(0, 0x02); /* minutes */
-			cmos_write(1, 0x04); /* hours */
-			cmos_write(7, 0x06); /* day of week */
-			cmos_write(1, 0x07); /* day of month */
-			cmos_write(1, 0x08); /* month */
-			cmos_write(0, 0x09); /* year */
-		}
-#endif
-	}
-#endif
-
-	/* Setup the real time clock */
-	cmos_write(RTC_CONTROL_DEFAULT, RTC_CONTROL);
-	/* Setup the frequency it operates at */
-	cmos_write(RTC_FREQ_SELECT_DEFAULT, RTC_FREQ_SELECT);
-
-#if CONFIG_USE_OPTION_TABLE
-	/* See if there is a LB CMOS checksum error */
-	checksum_invalid = !rtc_checksum_valid(LB_CKS_RANGE_START,
-			LB_CKS_RANGE_END,LB_CKS_LOC);
-	if(checksum_invalid)
-		printk(BIOS_DEBUG, "RTC: coreboot checksum invalid\n");
-
-	/* Make certain we have a valid checksum */
-	rtc_set_checksum(PC_CKS_RANGE_START,
-                        PC_CKS_RANGE_END,PC_CKS_LOC);
-#endif
-
-	/* Clear any pending interrupts */
-	(void) cmos_read(RTC_INTR_FLAGS);
-}
-
-
-#if CONFIG_USE_OPTION_TABLE
-/* This routine returns the value of the requested bits
-	input bit = bit count from the beginning of the cmos image
-	      length = number of bits to include in the value
-	      ret = a character pointer to where the value is to be returned
-	output the value placed in ret
-	      returns 0 = successful, -1 = an error occurred
-*/
-static int get_cmos_value(unsigned long bit, unsigned long length, void *vret)
-{
-	unsigned char *ret;
-	unsigned long byte,byte_bit;
-	unsigned long i;
-	unsigned char uchar;
-
-	/* The table is checked when it is built to ensure all
-		values are valid. */
-	ret = vret;
-	byte=bit/8;	/* find the byte where the data starts */
-	byte_bit=bit%8; /* find the bit in the byte where the data starts */
-	if(length<9) {	/* one byte or less */
-		uchar = cmos_read(byte); /* load the byte */
-		uchar >>= byte_bit;	/* shift the bits to byte align */
-		/* clear unspecified bits */
-		ret[0] = uchar & ((1 << length) -1);
-	}
-	else {	/* more that one byte so transfer the whole bytes */
-		for(i=0;length;i++,length-=8,byte++) {
-			/* load the byte */
-			ret[i]=cmos_read(byte);
-		}
-	}
-	return 0;
-}
-
-int get_option(void *dest, const char *name)
-{
-	struct cmos_option_table *ct;
-	struct cmos_entries *ce;
-	size_t namelen;
-	int found=0;
-
-	/* Figure out how long name is */
-	namelen = strnlen(name, CMOS_MAX_NAME_LENGTH);
-
-	/* find the requested entry record */
-	ct=cbfs_find_file("cmos_layout.bin", CBFS_COMPONENT_CMOS_LAYOUT);
-	if (!ct) {
-		printk(BIOS_ERR, "RTC: cmos_layout.bin could not be found. "
-						"Options are disabled\n");
-		return(-2);
-	}
-	ce=(struct cmos_entries*)((unsigned char *)ct + ct->header_length);
-	for(;ce->tag==LB_TAG_OPTION;
-		ce=(struct cmos_entries*)((unsigned char *)ce + ce->size)) {
-		if (memcmp(ce->name, name, namelen) == 0) {
-			found=1;
-			break;
-		}
-	}
-	if(!found) {
-		printk(BIOS_DEBUG, "WARNING: No CMOS option '%s'.\n", name);
-		return(-2);
-	}
-
-	if(get_cmos_value(ce->bit, ce->length, dest))
-		return(-3);
-	if(!rtc_checksum_valid(LB_CKS_RANGE_START,
-			LB_CKS_RANGE_END,LB_CKS_LOC))
-		return(-4);
-	return(0);
-}
-
-static int set_cmos_value(unsigned long bit, unsigned long length, void *vret)
-{
-	unsigned char *ret;
-	unsigned long byte,byte_bit;
-	unsigned long i;
-	unsigned char uchar, mask;
-	unsigned int chksum_update_needed = 0;
-
-	ret = vret;
-	byte = bit / 8;			/* find the byte where the data starts */
-	byte_bit = bit % 8;		/* find the bit in the byte where the data starts */
-	if(length <= 8) {		/* one byte or less */
-		mask = (1 << length) - 1;
-		mask <<= byte_bit;
-
-		uchar = cmos_read(byte);
-		uchar &= ~mask;
-		uchar |= (ret[0] << byte_bit);
-		cmos_write(uchar, byte);
-		if (byte >= LB_CKS_RANGE_START && byte <= LB_CKS_RANGE_END)
-			chksum_update_needed = 1;
-	} else {			/* more that one byte so transfer the whole bytes */
-		if (byte_bit || length % 8)
-			return -1;
-
-		for(i=0; length; i++, length-=8, byte++)
-			cmos_write(ret[i], byte);
-			if (byte >= LB_CKS_RANGE_START && byte <= LB_CKS_RANGE_END)
-				chksum_update_needed = 1;
-	}
-
-	if (chksum_update_needed) {
-		rtc_set_checksum(LB_CKS_RANGE_START,
-			LB_CKS_RANGE_END,LB_CKS_LOC);
-	}
-	return 0;
-}
-
-
-int set_option(const char *name, void *value)
-{
-	struct cmos_option_table *ct;
-	struct cmos_entries *ce;
-	unsigned long length;
-	size_t namelen;
-	int found=0;
-
-	/* Figure out how long name is */
-	namelen = strnlen(name, CMOS_MAX_NAME_LENGTH);
-
-	/* find the requested entry record */
-	ct=cbfs_find_file("cmos_layout.bin", CBFS_COMPONENT_CMOS_LAYOUT);
-	if (!ct) {
-		printk(BIOS_ERR, "cmos_layout.bin could not be found. Options are disabled\n");
-		return(-2);
-	}
-	ce=(struct cmos_entries*)((unsigned char *)ct + ct->header_length);
-	for(;ce->tag==LB_TAG_OPTION;
-		ce=(struct cmos_entries*)((unsigned char *)ce + ce->size)) {
-		if (memcmp(ce->name, name, namelen) == 0) {
-			found=1;
-			break;
-		}
-	}
-	if(!found) {
-		printk(BIOS_DEBUG, "WARNING: No CMOS option '%s'.\n", name);
-		return(-2);
-	}
-
-	length = ce->length;
-	if (ce->config == 's') {
-		length = MAX(strlen((const char *)value) * 8, ce->length - 8);
-		/* make sure the string is null terminated */
-		if ((set_cmos_value(ce->bit + ce->length - 8, 8, &(u8[]){0})))
-			return (-3);
-	}
-
-	if ((set_cmos_value(ce->bit, length, value)))
-		return (-3);
-
-	return 0;
-}
-#endif /* CONFIG_USE_OPTION_TABLE */