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-rw-r--r--hw/timer/Kconfig4
-rw-r--r--hw/timer/Makefile.objs1
-rw-r--r--hw/timer/ds1338.c241
3 files changed, 0 insertions, 246 deletions
diff --git a/hw/timer/Kconfig b/hw/timer/Kconfig
index 9357875f28..a990f9fe35 100644
--- a/hw/timer/Kconfig
+++ b/hw/timer/Kconfig
@@ -9,10 +9,6 @@ config ARM_MPTIMER
config A9_GTIMER
bool
-config DS1338
- bool
- depends on I2C
-
config HPET
bool
default y if PC
diff --git a/hw/timer/Makefile.objs b/hw/timer/Makefile.objs
index 23be70b71d..70b61b69c7 100644
--- a/hw/timer/Makefile.objs
+++ b/hw/timer/Makefile.objs
@@ -3,7 +3,6 @@ common-obj-$(CONFIG_ARM_MPTIMER) += arm_mptimer.o
common-obj-$(CONFIG_ARM_V7M) += armv7m_systick.o
common-obj-$(CONFIG_A9_GTIMER) += a9gtimer.o
common-obj-$(CONFIG_CADENCE) += cadence_ttc.o
-common-obj-$(CONFIG_DS1338) += ds1338.o
common-obj-$(CONFIG_HPET) += hpet.o
common-obj-$(CONFIG_I8254) += i8254_common.o i8254.o
common-obj-$(CONFIG_PUV3) += puv3_ost.o
diff --git a/hw/timer/ds1338.c b/hw/timer/ds1338.c
deleted file mode 100644
index 588a9ba9be..0000000000
--- a/hw/timer/ds1338.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
- * MAXIM DS1338 I2C RTC+NVRAM
- *
- * Copyright (c) 2009 CodeSourcery.
- * Written by Paul Brook
- *
- * This code is licensed under the GNU GPL v2.
- *
- * Contributions after 2012-01-13 are licensed under the terms of the
- * GNU GPL, version 2 or (at your option) any later version.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "hw/i2c/i2c.h"
-#include "migration/vmstate.h"
-#include "qemu/bcd.h"
-#include "qemu/module.h"
-
-/* Size of NVRAM including both the user-accessible area and the
- * secondary register area.
- */
-#define NVRAM_SIZE 64
-
-/* Flags definitions */
-#define SECONDS_CH 0x80
-#define HOURS_12 0x40
-#define HOURS_PM 0x20
-#define CTRL_OSF 0x20
-
-#define TYPE_DS1338 "ds1338"
-#define DS1338(obj) OBJECT_CHECK(DS1338State, (obj), TYPE_DS1338)
-
-typedef struct DS1338State {
- I2CSlave parent_obj;
-
- int64_t offset;
- uint8_t wday_offset;
- uint8_t nvram[NVRAM_SIZE];
- int32_t ptr;
- bool addr_byte;
-} DS1338State;
-
-static const VMStateDescription vmstate_ds1338 = {
- .name = "ds1338",
- .version_id = 2,
- .minimum_version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_I2C_SLAVE(parent_obj, DS1338State),
- VMSTATE_INT64(offset, DS1338State),
- VMSTATE_UINT8_V(wday_offset, DS1338State, 2),
- VMSTATE_UINT8_ARRAY(nvram, DS1338State, NVRAM_SIZE),
- VMSTATE_INT32(ptr, DS1338State),
- VMSTATE_BOOL(addr_byte, DS1338State),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void capture_current_time(DS1338State *s)
-{
- /* Capture the current time into the secondary registers
- * which will be actually read by the data transfer operation.
- */
- struct tm now;
- qemu_get_timedate(&now, s->offset);
- s->nvram[0] = to_bcd(now.tm_sec);
- s->nvram[1] = to_bcd(now.tm_min);
- if (s->nvram[2] & HOURS_12) {
- int tmp = now.tm_hour;
- if (tmp % 12 == 0) {
- tmp += 12;
- }
- if (tmp <= 12) {
- s->nvram[2] = HOURS_12 | to_bcd(tmp);
- } else {
- s->nvram[2] = HOURS_12 | HOURS_PM | to_bcd(tmp - 12);
- }
- } else {
- s->nvram[2] = to_bcd(now.tm_hour);
- }
- s->nvram[3] = (now.tm_wday + s->wday_offset) % 7 + 1;
- s->nvram[4] = to_bcd(now.tm_mday);
- s->nvram[5] = to_bcd(now.tm_mon + 1);
- s->nvram[6] = to_bcd(now.tm_year - 100);
-}
-
-static void inc_regptr(DS1338State *s)
-{
- /* The register pointer wraps around after 0x3F; wraparound
- * causes the current time/date to be retransferred into
- * the secondary registers.
- */
- s->ptr = (s->ptr + 1) & (NVRAM_SIZE - 1);
- if (!s->ptr) {
- capture_current_time(s);
- }
-}
-
-static int ds1338_event(I2CSlave *i2c, enum i2c_event event)
-{
- DS1338State *s = DS1338(i2c);
-
- switch (event) {
- case I2C_START_RECV:
- /* In h/w, capture happens on any START condition, not just a
- * START_RECV, but there is no need to actually capture on
- * START_SEND, because the guest can't get at that data
- * without going through a START_RECV which would overwrite it.
- */
- capture_current_time(s);
- break;
- case I2C_START_SEND:
- s->addr_byte = true;
- break;
- default:
- break;
- }
-
- return 0;
-}
-
-static uint8_t ds1338_recv(I2CSlave *i2c)
-{
- DS1338State *s = DS1338(i2c);
- uint8_t res;
-
- res = s->nvram[s->ptr];
- inc_regptr(s);
- return res;
-}
-
-static int ds1338_send(I2CSlave *i2c, uint8_t data)
-{
- DS1338State *s = DS1338(i2c);
-
- if (s->addr_byte) {
- s->ptr = data & (NVRAM_SIZE - 1);
- s->addr_byte = false;
- return 0;
- }
- if (s->ptr < 7) {
- /* Time register. */
- struct tm now;
- qemu_get_timedate(&now, s->offset);
- switch(s->ptr) {
- case 0:
- /* TODO: Implement CH (stop) bit. */
- now.tm_sec = from_bcd(data & 0x7f);
- break;
- case 1:
- now.tm_min = from_bcd(data & 0x7f);
- break;
- case 2:
- if (data & HOURS_12) {
- int tmp = from_bcd(data & (HOURS_PM - 1));
- if (data & HOURS_PM) {
- tmp += 12;
- }
- if (tmp % 12 == 0) {
- tmp -= 12;
- }
- now.tm_hour = tmp;
- } else {
- now.tm_hour = from_bcd(data & (HOURS_12 - 1));
- }
- break;
- case 3:
- {
- /* The day field is supposed to contain a value in
- the range 1-7. Otherwise behavior is undefined.
- */
- int user_wday = (data & 7) - 1;
- s->wday_offset = (user_wday - now.tm_wday + 7) % 7;
- }
- break;
- case 4:
- now.tm_mday = from_bcd(data & 0x3f);
- break;
- case 5:
- now.tm_mon = from_bcd(data & 0x1f) - 1;
- break;
- case 6:
- now.tm_year = from_bcd(data) + 100;
- break;
- }
- s->offset = qemu_timedate_diff(&now);
- } else if (s->ptr == 7) {
- /* Control register. */
-
- /* Ensure bits 2, 3 and 6 will read back as zero. */
- data &= 0xB3;
-
- /* Attempting to write the OSF flag to logic 1 leaves the
- value unchanged. */
- data = (data & ~CTRL_OSF) | (data & s->nvram[s->ptr] & CTRL_OSF);
-
- s->nvram[s->ptr] = data;
- } else {
- s->nvram[s->ptr] = data;
- }
- inc_regptr(s);
- return 0;
-}
-
-static void ds1338_reset(DeviceState *dev)
-{
- DS1338State *s = DS1338(dev);
-
- /* The clock is running and synchronized with the host */
- s->offset = 0;
- s->wday_offset = 0;
- memset(s->nvram, 0, NVRAM_SIZE);
- s->ptr = 0;
- s->addr_byte = false;
-}
-
-static void ds1338_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
-
- k->event = ds1338_event;
- k->recv = ds1338_recv;
- k->send = ds1338_send;
- dc->reset = ds1338_reset;
- dc->vmsd = &vmstate_ds1338;
-}
-
-static const TypeInfo ds1338_info = {
- .name = TYPE_DS1338,
- .parent = TYPE_I2C_SLAVE,
- .instance_size = sizeof(DS1338State),
- .class_init = ds1338_class_init,
-};
-
-static void ds1338_register_types(void)
-{
- type_register_static(&ds1338_info);
-}
-
-type_init(ds1338_register_types)
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