[U-Boot] [PATCH] m68k: Drop CONFIG_MCFPIT support
Tom Rini
trini at konsulko.com
Mon Nov 11 14:39:11 UTC 2019
All platforms currently use the "MCFTMR" DMA timer rather than the PIT
timer, so drop the MCFPIT code.
Cc: Huan Wang <alison.wang at nxp.com>
Cc: Angelo Dureghello <angelo at sysam.it>
Cc: TsiChung Liew <Tsi-Chung.Liew at nxp.com>
Cc: Wolfgang Wegner <w.wegner at astro-kom.de>
Signed-off-by: Tom Rini <trini at konsulko.com>
---
arch/m68k/include/asm/immap.h | 42 ---------------------
arch/m68k/lib/time.c | 63 --------------------------------
board/freescale/m52277evb/README | 1 -
board/freescale/m53017evb/README | 1 -
board/freescale/m5373evb/README | 1 -
board/freescale/m54455evb/README | 1 -
include/configs/M5208EVBE.h | 1 -
include/configs/M52277EVB.h | 1 -
include/configs/M5235EVB.h | 1 -
include/configs/M53017EVB.h | 1 -
include/configs/M5329EVB.h | 1 -
include/configs/M5373EVB.h | 1 -
include/configs/M54418TWR.h | 1 -
include/configs/M54451EVB.h | 1 -
include/configs/M54455EVB.h | 1 -
include/configs/astro_mcf5373l.h | 1 -
include/configs/stmark2.h | 1 -
scripts/config_whitelist.txt | 1 -
18 files changed, 121 deletions(-)
diff --git a/arch/m68k/include/asm/immap.h b/arch/m68k/include/asm/immap.h
index 80fa25769b27..9e84fb9d260c 100644
--- a/arch/m68k/include/asm/immap.h
+++ b/arch/m68k/include/asm/immap.h
@@ -28,12 +28,6 @@
#define CONFIG_SYS_TIMER_PRESCALER (((gd->bus_clk / 1000000) - 1) << 8)
#endif
-#ifdef CONFIG_MCFPIT
-#define CONFIG_SYS_UDELAY_BASE (MMAP_PIT0)
-#define CONFIG_SYS_PIT_BASE (MMAP_PIT1)
-#define CONFIG_SYS_PIT_PRESCALE (6)
-#endif
-
#define CONFIG_SYS_INTR_BASE (MMAP_INTC0)
#define CONFIG_SYS_NUM_IRQS (128)
#endif /* CONFIG_M520x */
@@ -62,12 +56,6 @@
#define CONFIG_SYS_TIMER_PRESCALER (((gd->bus_clk / 1000000) - 1) << 8)
#endif
-#ifdef CONFIG_MCFPIT
-#define CONFIG_SYS_UDELAY_BASE (MMAP_PIT0)
-#define CONFIG_SYS_PIT_BASE (MMAP_PIT1)
-#define CONFIG_SYS_PIT_PRESCALE (6)
-#endif
-
#define CONFIG_SYS_INTR_BASE (MMAP_INTC0)
#define CONFIG_SYS_NUM_IRQS (128)
#endif /* CONFIG_M52277 */
@@ -91,12 +79,6 @@
#define CONFIG_SYS_TIMER_PRESCALER (((gd->bus_clk / 1000000) - 1) << 8)
#endif
-#ifdef CONFIG_MCFPIT
-#define CONFIG_SYS_UDELAY_BASE (MMAP_PIT0)
-#define CONFIG_SYS_PIT_BASE (MMAP_PIT1)
-#define CONFIG_SYS_PIT_PRESCALE (6)
-#endif
-
#define CONFIG_SYS_INTR_BASE (MMAP_INTC0)
#define CONFIG_SYS_NUM_IRQS (128)
#endif /* CONFIG_M5235 */
@@ -285,12 +267,6 @@
#define CONFIG_SYS_TIMER_PRESCALER (((gd->bus_clk / 1000000) - 1) << 8)
#endif
-#ifdef CONFIG_MCFPIT
-#define CONFIG_SYS_UDELAY_BASE (MMAP_PIT0)
-#define CONFIG_SYS_PIT_BASE (MMAP_PIT1)
-#define CONFIG_SYS_PIT_PRESCALE (6)
-#endif
-
#define CONFIG_SYS_INTR_BASE (MMAP_INTC0)
#define CONFIG_SYS_NUM_IRQS (128)
#endif /* CONFIG_M5301x */
@@ -315,12 +291,6 @@
#define CONFIG_SYS_TIMER_PRESCALER (((gd->bus_clk / 1000000) - 1) << 8)
#endif
-#ifdef CONFIG_MCFPIT
-#define CONFIG_SYS_UDELAY_BASE (MMAP_PIT0)
-#define CONFIG_SYS_PIT_BASE (MMAP_PIT1)
-#define CONFIG_SYS_PIT_PRESCALE (6)
-#endif
-
#define CONFIG_SYS_INTR_BASE (MMAP_INTC0)
#define CONFIG_SYS_NUM_IRQS (128)
#endif /* CONFIG_M5329 && CONFIG_M5373 */
@@ -355,12 +325,6 @@
#define CONFIG_SYS_TIMER_PRESCALER (((gd->bus_clk / 1000000) - 1) << 8)
#endif
-#ifdef CONFIG_MCFPIT
-#define CONFIG_SYS_UDELAY_BASE (MMAP_PIT0)
-#define CONFIG_SYS_PIT_BASE (MMAP_PIT1)
-#define CONFIG_SYS_PIT_PRESCALE (6)
-#endif
-
#define CONFIG_SYS_INTR_BASE (MMAP_INTC0)
#define CONFIG_SYS_NUM_IRQS (192)
@@ -391,12 +355,6 @@
#define CONFIG_SYS_TIMER_PRESCALER (((gd->bus_clk / 1000000) - 1) << 8)
#endif
-#ifdef CONFIG_MCFPIT
-#define CONFIG_SYS_UDELAY_BASE (MMAP_PIT0)
-#define CONFIG_SYS_PIT_BASE (MMAP_PIT1)
-#define CONFIG_SYS_PIT_PRESCALE (6)
-#endif
-
#define CONFIG_SYS_INTR_BASE (MMAP_INTC0)
#define CONFIG_SYS_NUM_IRQS (128)
diff --git a/arch/m68k/lib/time.c b/arch/m68k/lib/time.c
index a6345a0bc9c0..52f6dd753321 100644
--- a/arch/m68k/lib/time.c
+++ b/arch/m68k/lib/time.c
@@ -108,69 +108,6 @@ ulong get_timer(ulong base)
#endif /* CONFIG_MCFTMR */
-#if defined(CONFIG_MCFPIT)
-#if !defined(CONFIG_SYS_PIT_BASE)
-# error "CONFIG_SYS_PIT_BASE not defined!"
-#endif
-
-static unsigned short lastinc;
-
-void __udelay(unsigned long usec)
-{
- volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_UDELAY_BASE);
- uint tmp;
-
- while (usec > 0) {
- if (usec > 65000)
- tmp = 65000;
- else
- tmp = usec;
- usec = usec - tmp;
-
- /* Set up TIMER 3 as timebase clock */
- timerp->pcsr = PIT_PCSR_OVW;
- timerp->pmr = 0;
- /* set period to 1 us */
- timerp->pcsr |= PIT_PCSR_PRE(CONFIG_SYS_PIT_PRESCALE) | PIT_PCSR_EN;
-
- timerp->pmr = tmp;
- while (timerp->pcntr > 0) ;
- }
-}
-
-void timer_init(void)
-{
- volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE);
- timestamp = 0;
-
- /* Set up TIMER 4 as poll clock */
- timerp->pcsr = PIT_PCSR_OVW;
- timerp->pmr = lastinc = 0;
- timerp->pcsr |= PIT_PCSR_PRE(CONFIG_SYS_PIT_PRESCALE) | PIT_PCSR_EN;
-
- return 0;
-}
-
-ulong get_timer(ulong base)
-{
- unsigned short now, diff;
- volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE);
-
- now = timerp->pcntr;
- diff = -(now - lastinc);
-
- timestamp += diff;
- lastinc = now;
- return timestamp - base;
-}
-
-void wait_ticks(unsigned long ticks)
-{
- u32 start = get_timer(0);
- while (get_timer(start) < ticks) ;
-}
-#endif /* CONFIG_MCFPIT */
-
/*
* This function is derived from PowerPC code (read timebase as long long).
* On M68K it just returns the timer value.
diff --git a/board/freescale/m52277evb/README b/board/freescale/m52277evb/README
index b7ceb5993e7a..76f4789335bf 100644
--- a/board/freescale/m52277evb/README
+++ b/board/freescale/m52277evb/README
@@ -79,7 +79,6 @@ RTC_DEBUG -- define to show RTC debug message
CONFIG_CMD_DATE -- enable to use date feature in U-Boot
CONFIG_MCFTMR -- define to use DMA timer
-CONFIG_MCFPIT -- define to use PIT timer
CONFIG_SYS_I2C_FSL -- define to use FSL common I2C driver
CONFIG_SYS_I2C_SOFT -- define for I2C bit-banged
diff --git a/board/freescale/m53017evb/README b/board/freescale/m53017evb/README
index 2fca12c41706..a7074c9b7179 100644
--- a/board/freescale/m53017evb/README
+++ b/board/freescale/m53017evb/README
@@ -88,7 +88,6 @@ CONFIG_SYS_FEC0_MIIBASE -- Set FEC0 MII base register
MCFFEC_TOUT_LOOP -- set FEC timeout loop
CONFIG_MCFTMR -- define to use DMA timer
-CONFIG_MCFPIT -- define to use PIT timer
CONFIG_SYS_I2C_FSL -- define to use FSL common I2C driver
CONFIG_SYS_I2C_SOFT -- define for I2C bit-banged
diff --git a/board/freescale/m5373evb/README b/board/freescale/m5373evb/README
index 757f0abdd744..f0a0631c94b3 100644
--- a/board/freescale/m5373evb/README
+++ b/board/freescale/m5373evb/README
@@ -87,7 +87,6 @@ CONFIG_SYS_FEC0_MIIBASE -- Set FEC0 MII base register
MCFFEC_TOUT_LOOP -- set FEC timeout loop
CONFIG_MCFTMR -- define to use DMA timer
-CONFIG_MCFPIT -- define to use PIT timer
CONFIG_SYS_I2C_FSL -- define to use FSL common I2C driver
CONFIG_SYS_I2C_SOFT -- define for I2C bit-banged
diff --git a/board/freescale/m54455evb/README b/board/freescale/m54455evb/README
index 4a8719333ac5..260aec9f1bec 100644
--- a/board/freescale/m54455evb/README
+++ b/board/freescale/m54455evb/README
@@ -110,7 +110,6 @@ CONFIG_SYS_ATA_STRIDE -- define for Interval between registers
_IO_BASE -- define for IO base address
CONFIG_MCFTMR -- define to use DMA timer
-CONFIG_MCFPIT -- define to use PIT timer
CONFIG_SYS_FSL_I2C -- define to use FSL common I2C driver
CONFIG_SYS_I2C_SOFT -- define for I2C bit-banged
diff --git a/include/configs/M5208EVBE.h b/include/configs/M5208EVBE.h
index 867ae8be6de9..92dad6ba6548 100644
--- a/include/configs/M5208EVBE.h
+++ b/include/configs/M5208EVBE.h
@@ -43,7 +43,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* I2C */
#define CONFIG_SYS_I2C
diff --git a/include/configs/M52277EVB.h b/include/configs/M52277EVB.h
index a5a1c38f6e7d..884ed11dbab9 100644
--- a/include/configs/M52277EVB.h
+++ b/include/configs/M52277EVB.h
@@ -90,7 +90,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* I2c */
#define CONFIG_SYS_I2C
diff --git a/include/configs/M5235EVB.h b/include/configs/M5235EVB.h
index 3c56cec425c4..360f7e242583 100644
--- a/include/configs/M5235EVB.h
+++ b/include/configs/M5235EVB.h
@@ -52,7 +52,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* I2C */
#define CONFIG_SYS_I2C
diff --git a/include/configs/M53017EVB.h b/include/configs/M53017EVB.h
index 24eb36159b30..ce3402ca0b3b 100644
--- a/include/configs/M53017EVB.h
+++ b/include/configs/M53017EVB.h
@@ -60,7 +60,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* I2C */
#define CONFIG_SYS_I2C
diff --git a/include/configs/M5329EVB.h b/include/configs/M5329EVB.h
index 2cff0d6cf602..ba7ed13da550 100644
--- a/include/configs/M5329EVB.h
+++ b/include/configs/M5329EVB.h
@@ -52,7 +52,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* I2C */
#define CONFIG_SYS_I2C
diff --git a/include/configs/M5373EVB.h b/include/configs/M5373EVB.h
index 576c075a174c..390bcf957e63 100644
--- a/include/configs/M5373EVB.h
+++ b/include/configs/M5373EVB.h
@@ -52,7 +52,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* I2C */
#define CONFIG_SYS_I2C
diff --git a/include/configs/M54418TWR.h b/include/configs/M54418TWR.h
index 72cc13ab79fc..2dbfb1d5ec44 100644
--- a/include/configs/M54418TWR.h
+++ b/include/configs/M54418TWR.h
@@ -137,7 +137,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* I2c */
#undef CONFIG_SYS_FSL_I2C
diff --git a/include/configs/M54451EVB.h b/include/configs/M54451EVB.h
index 5482edeb2d91..2473377edbd7 100644
--- a/include/configs/M54451EVB.h
+++ b/include/configs/M54451EVB.h
@@ -103,7 +103,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* I2c */
#define CONFIG_SYS_I2C
diff --git a/include/configs/M54455EVB.h b/include/configs/M54455EVB.h
index 9434cc278e2c..ea62d914b064 100644
--- a/include/configs/M54455EVB.h
+++ b/include/configs/M54455EVB.h
@@ -130,7 +130,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* I2c */
#define CONFIG_SYS_I2C
diff --git a/include/configs/astro_mcf5373l.h b/include/configs/astro_mcf5373l.h
index 3d79311d625f..e1128043b02a 100644
--- a/include/configs/astro_mcf5373l.h
+++ b/include/configs/astro_mcf5373l.h
@@ -57,7 +57,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* I2C */
#define CONFIG_SYS_I2C
diff --git a/include/configs/stmark2.h b/include/configs/stmark2.h
index a08d9950bd87..4f1e947d8631 100644
--- a/include/configs/stmark2.h
+++ b/include/configs/stmark2.h
@@ -60,7 +60,6 @@
/* Timer */
#define CONFIG_MCFTMR
-#undef CONFIG_MCFPIT
/* DSPI and Serial Flash */
#define CONFIG_CF_DSPI
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 284fb62e54c1..1da6bce9fd10 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1092,7 +1092,6 @@ CONFIG_MAX_RAM_BANK_SIZE
CONFIG_MCF5249
CONFIG_MCF5253
CONFIG_MCFFEC
-CONFIG_MCFPIT
CONFIG_MCFRTC
CONFIG_MCFTMR
CONFIG_MCLK_DIS
--
2.17.1
More information about the U-Boot
mailing list