hw/timer: Remove omap_synctimer

Remove the omap_synctimer device, which is only in the OMAP2 SoC.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903160751.4100218-46-peter.maydell@linaro.org

hw/timer/meson.build

@@ -21,7 +21,6 @@ system_ss.add(when: 'CONFIG_MIPS_CPS', if_true: files('mips_gictimer.c'))
 system_ss.add(when: 'CONFIG_MSF2', if_true: files('mss-timer.c'))
 system_ss.add(when: 'CONFIG_NPCM7XX', if_true: files('npcm7xx_timer.c'))
 system_ss.add(when: 'CONFIG_NRF51_SOC', if_true: files('nrf51_timer.c'))
-system_ss.add(when: 'CONFIG_OMAP', if_true: files('omap_synctimer.c'))
 system_ss.add(when: 'CONFIG_PXA2XX_TIMER', if_true: files('pxa2xx_timer.c'))
 system_ss.add(when: 'CONFIG_RASPI', if_true: files('bcm2835_systmr.c'))
 system_ss.add(when: 'CONFIG_SH_TIMER', if_true: files('sh_timer.c'))

hw/timer/omap_synctimer.c

@@ -1,110 +0,0 @@
-/*
- * TI OMAP2 32kHz sync timer emulation.
- *
- * Copyright (C) 2007-2008 Nokia Corporation
- * Written by Andrzej Zaborowski <andrew@openedhand.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 or
- * (at your option) any later version of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-#include "qemu/osdep.h"
-#include "qemu/timer.h"
-#include "hw/arm/omap.h"
-struct omap_synctimer_s {
-    MemoryRegion iomem;
-    uint32_t val;
-    uint16_t readh;
-};
-
-/* 32-kHz Sync Timer of the OMAP2 */
-static uint32_t omap_synctimer_read(struct omap_synctimer_s *s) {
-    return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 0x8000,
-                    NANOSECONDS_PER_SECOND);
-}
-
-void omap_synctimer_reset(struct omap_synctimer_s *s)
-{
-    s->val = omap_synctimer_read(s);
-}
-
-static uint32_t omap_synctimer_readw(void *opaque, hwaddr addr)
-{
-    struct omap_synctimer_s *s = opaque;
-
-    switch (addr) {
-    case 0x00:	/* 32KSYNCNT_REV */
-        return 0x21;
-
-    case 0x10:	/* CR */
-        return omap_synctimer_read(s) - s->val;
-    }
-
-    OMAP_BAD_REG(addr);
-    return 0;
-}
-
-static uint32_t omap_synctimer_readh(void *opaque, hwaddr addr)
-{
-    struct omap_synctimer_s *s = opaque;
-    uint32_t ret;
-
-    if (addr & 2)
-        return s->readh;
-    else {
-        ret = omap_synctimer_readw(opaque, addr);
-        s->readh = ret >> 16;
-        return ret & 0xffff;
-    }
-}
-
-static uint64_t omap_synctimer_readfn(void *opaque, hwaddr addr,
-                                      unsigned size)
-{
-    switch (size) {
-    case 1:
-        return omap_badwidth_read32(opaque, addr);
-    case 2:
-        return omap_synctimer_readh(opaque, addr);
-    case 4:
-        return omap_synctimer_readw(opaque, addr);
-    default:
-        g_assert_not_reached();
-    }
-}
-
-static void omap_synctimer_writefn(void *opaque, hwaddr addr,
-                                   uint64_t value, unsigned size)
-{
-    OMAP_BAD_REG(addr);
-}
-
-static const MemoryRegionOps omap_synctimer_ops = {
-    .read = omap_synctimer_readfn,
-    .write = omap_synctimer_writefn,
-    .valid.min_access_size = 1,
-    .valid.max_access_size = 4,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-struct omap_synctimer_s *omap_synctimer_init(struct omap_target_agent_s *ta,
-                struct omap_mpu_state_s *mpu, omap_clk fclk, omap_clk iclk)
-{
-    struct omap_synctimer_s *s = g_malloc0(sizeof(*s));
-
-    omap_synctimer_reset(s);
-    memory_region_init_io(&s->iomem, NULL, &omap_synctimer_ops, s, "omap.synctimer",
-                          omap_l4_region_size(ta, 0));
-    omap_l4_attach(ta, 0, &s->iomem);
-
-    return s;
-}

include/hw/arm/omap.h

@@ -676,12 +676,6 @@ struct omap_dma_lcd_channel_s {
 # define OMAP24XX_DMA_MS		63	/* Not in OMAP2420 */
 # define OMAP24XX_DMA_EXT_DMAREQ5	64
 
-/* OMAP2 sysctimer */
-struct omap_synctimer_s;
-struct omap_synctimer_s *omap_synctimer_init(struct omap_target_agent_s *ta,
-                struct omap_mpu_state_s *mpu, omap_clk fclk, omap_clk iclk);
-void omap_synctimer_reset(struct omap_synctimer_s *s);
-
 struct omap_uart_s;
 struct omap_uart_s *omap_uart_init(hwaddr base,
                 qemu_irq irq, omap_clk fclk, omap_clk iclk,
@@ -929,8 +923,6 @@ struct omap_mpu_state_s {
     /* OMAP2-only peripherals */
     struct omap_l4_s *l4;
 
-    struct omap_synctimer_s *synctimer;
-
     struct omap_mcspi_s *mcspi[2];
 
     struct omap_dss_s *dss;