hw/timer: Introduce SH_TIMER Kconfig entry

We want to be able to use the 'SH4' config for architecture
specific features. Add more fine-grained selection by adding
a CONFIG_SH_TIMER selector for the SH4 timer control unit.

Add the missing MAINTAINERS entries.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210222141514.2646278-6-f4bug@amsat.org>

MAINTAINERS

@@ -1400,6 +1400,7 @@ S: Odd Fixes
 F: hw/char/sh_serial.c
 F: hw/sh4/r2d.c
 F: hw/intc/sh_intc.c
+F: hw/timer/sh_timer.c
 F: include/hw/sh4/sh_intc.h
 
 Shix
@@ -1409,6 +1410,7 @@ S: Odd Fixes
 F: hw/char/sh_serial.c
 F: hw/sh4/shix.c
 F: hw/intc/sh_intc.c
+F: hw/timer/sh_timer.c
 F: include/hw/sh4/sh_intc.h
 
 SPARC Machines

hw/sh4/Kconfig

@@ -21,7 +21,7 @@ config SH7750
     bool
     select SH_INTC
     select SH_SCI
+    select SH_TIMER
 
 config SH4
     bool
-    select PTIMER

hw/timer/Kconfig

@@ -36,6 +36,10 @@ config CMSDK_APB_DUALTIMER
     bool
     select PTIMER
 
+config SH_TIMER
+    bool
+    select PTIMER
+
 config RENESAS_TMR
     bool
 

hw/timer/meson.build

@@ -30,7 +30,7 @@ softmmu_ss.add(when: 'CONFIG_OMAP', if_true: files('omap_synctimer.c'))
 softmmu_ss.add(when: 'CONFIG_PUV3', if_true: files('puv3_ost.c'))
 softmmu_ss.add(when: 'CONFIG_PXA2XX', if_true: files('pxa2xx_timer.c'))
 softmmu_ss.add(when: 'CONFIG_RASPI', if_true: files('bcm2835_systmr.c'))
-softmmu_ss.add(when: 'CONFIG_SH4', if_true: files('sh_timer.c'))
+softmmu_ss.add(when: 'CONFIG_SH_TIMER', if_true: files('sh_timer.c'))
 softmmu_ss.add(when: 'CONFIG_SLAVIO', if_true: files('slavio_timer.c'))
 softmmu_ss.add(when: 'CONFIG_STM32F2XX_TIMER', if_true: files('stm32f2xx_timer.c'))
 softmmu_ss.add(when: 'CONFIG_XILINX', if_true: files('xilinx_timer.c'))