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-rw-r--r--cpu/arm1136/Makefile2
-rw-r--r--cpu/arm1136/cpu.c11
-rw-r--r--[-rwxr-xr-x]cpu/arm1136/interrupts.c (renamed from cpu/arm1136/omap24xx/interrupts.c)109
-rw-r--r--cpu/arm1136/mx31/Makefile44
-rw-r--r--cpu/arm1136/mx31/generic.c99
-rw-r--r--cpu/arm1136/mx31/interrupts.c113
-rw-r--r--cpu/arm1136/mx31/serial.c230
-rw-r--r--cpu/arm1136/omap24xx/Makefile46
-rw-r--r--cpu/arm1136/omap24xx/start.S42
-rw-r--r--cpu/arm1136/start.S21
-rw-r--r--cpu/arm926ejs/davinci/lowlevel_init.S79
-rw-r--r--cpu/arm926ejs/davinci/nand.c41
-rw-r--r--cpu/arm926ejs/davinci/timer.c69
13 files changed, 188 insertions, 718 deletions
diff --git a/cpu/arm1136/Makefile b/cpu/arm1136/Makefile
index 7701b03bbe..d5ac7d3fd9 100644
--- a/cpu/arm1136/Makefile
+++ b/cpu/arm1136/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
-COBJS = cpu.o
+COBJS = interrupts.o cpu.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
diff --git a/cpu/arm1136/cpu.c b/cpu/arm1136/cpu.c
index 90e955303b..fa78eaa7f0 100644
--- a/cpu/arm1136/cpu.c
+++ b/cpu/arm1136/cpu.c
@@ -33,6 +33,9 @@
#include <common.h>
#include <command.h>
+#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR)
+#include <asm/arch/omap2420.h>
+#endif
#ifdef CONFIG_USE_IRQ
DECLARE_GLOBAL_DATA_PTR;
@@ -44,10 +47,10 @@ static unsigned long read_p15_c1 (void)
unsigned long value;
__asm__ __volatile__(
- "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n"
- : "=r" (value)
- :
- : "memory");
+ "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n"
+ : "=r" (value)
+ :
+ : "memory");
return value;
}
diff --git a/cpu/arm1136/omap24xx/interrupts.c b/cpu/arm1136/interrupts.c
index 8503b24a8e..491c902ace 100755..100644
--- a/cpu/arm1136/omap24xx/interrupts.c
+++ b/cpu/arm1136/interrupts.c
@@ -32,28 +32,31 @@
#include <common.h>
#include <asm/arch/bits.h>
-#include <asm/arch/omap2420.h>
+
+#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR)
+# include <asm/arch/omap2420.h>
+#endif
#define TIMER_LOAD_VAL 0
/* macro to read the 32 bit timer */
-#define READ_TIMER (*((volatile ulong*)(CFG_TIMERBASE+TCRR)))
+#define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+TCRR))
+
+#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_CINTEGRATOR)
+/* Use the IntegratorCP function from board/integratorcp.c */
+#else
static ulong timestamp;
static ulong lastinc;
-/*
- * nothing really to do with interrupts, just starts up a counter.
- */
-int interrupt_init(void)
+/* nothing really to do with interrupts, just starts up a counter. */
+int interrupt_init (void)
{
int32_t val;
/* Start the counter ticking up */
- /* reload value on overflow*/
- *((int32_t *) (CFG_TIMERBASE + TLDR)) = TIMER_LOAD_VAL;
- /* mask to enable timer*/
- val = (CFG_PVT << 2) | BIT5 | BIT1 | BIT0;
+ *((int32_t *) (CFG_TIMERBASE + TLDR)) = TIMER_LOAD_VAL; /* reload value on overflow*/
+ val = (CFG_PVT << 2) | BIT5 | BIT1 | BIT0; /* mask to enable timer*/
*((int32_t *) (CFG_TIMERBASE + TCLR)) = val; /* start timer */
reset_timer_masked(); /* init the timestamp and lastinc value */
@@ -63,99 +66,82 @@ int interrupt_init(void)
/*
* timer without interrupts
*/
-void reset_timer(void)
+void reset_timer (void)
{
- reset_timer_masked();
+ reset_timer_masked ();
}
-ulong get_timer(ulong base)
+ulong get_timer (ulong base)
{
- return get_timer_masked() - base;
+ return get_timer_masked () - base;
}
-void set_timer(ulong t)
+void set_timer (ulong t)
{
timestamp = t;
}
/* delay x useconds AND perserve advance timstamp value */
-void udelay(unsigned long usec)
+void udelay (unsigned long usec)
{
ulong tmo, tmp;
- /* if "big" number, spread normalization to seconds */
- if (usec >= 1000) {
- /* start to normalize for usec to ticks per sec */
- tmo = usec / 1000;
- /* find number of "ticks" to wait to achieve target */
- tmo *= CFG_HZ;
- /* finish normalize. */
- tmo /= 1000;
- } else {
- /* else small number, don't kill it prior to HZ multiply */
+ if (usec >= 1000) { /* if "big" number, spread normalization to seconds */
+ tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
+ tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */
+ tmo /= 1000; /* finish normalize. */
+ } else { /* else small number, don't kill it prior to HZ multiply */
tmo = usec * CFG_HZ;
tmo /= (1000*1000);
}
- /* get current timestamp */
- tmp = get_timer(0);
- if ((tmo + tmp + 1) < tmp)
- /* setting this forward will roll time stamp */
- /* reset "advancing" timestamp to 0, set lastinc value */
- reset_timer_masked();
+
+ tmp = get_timer (0); /* get current timestamp */
+ if ( (tmo + tmp + 1) < tmp )/* if setting this forward will roll time stamp */
+ reset_timer_masked (); /* reset "advancing" timestamp to 0, set lastinc value */
else
- /* else, set advancing stamp wake up time */
- tmo += tmp;
- while (get_timer_masked() < tmo)/* loop till event */
+ tmo += tmp; /* else, set advancing stamp wake up time */
+ while (get_timer_masked () < tmo)/* loop till event */
/*NOP*/;
}
-void reset_timer_masked(void)
+void reset_timer_masked (void)
{
/* reset time */
- /* capture current incrementer value time */
- lastinc = READ_TIMER;
- /* start "advancing" time stamp from 0 */
- timestamp = 0;
+ lastinc = READ_TIMER; /* capture current incrementer value time */
+ timestamp = 0; /* start "advancing" time stamp from 0 */
}
-ulong get_timer_masked(void)
+ulong get_timer_masked (void)
{
- ulong now = READ_TIMER; /* current tick value */
+ ulong now = READ_TIMER; /* current tick value */
- /* normal mode (non roll) */
- if (now >= lastinc)
- /* move stamp forward with absolute diff ticks */
- timestamp += (now - lastinc);
- else
- /* we have rollover of incrementer */
+ if (now >= lastinc) /* normal mode (non roll) */
+ timestamp += (now - lastinc); /* move stamp fordward with absoulte diff ticks */
+ else /* we have rollover of incrementer */
timestamp += (0xFFFFFFFF - lastinc) + now;
lastinc = now;
return timestamp;
}
/* waits specified delay value and resets timestamp */
-void udelay_masked(unsigned long usec)
+void udelay_masked (unsigned long usec)
{
ulong tmo;
ulong endtime;
signed long diff;
- if (usec >= 1000) {
- /* "big" number, spread normalization to seconds */
- /* start to normalize for usec to ticks per sec */
- tmo = usec / 1000;
- /* find number of "ticks" to wait to achieve target */
- tmo *= CFG_HZ;
- tmo /= 1000;/* finish normalize. */
- } else {
- /* else small number, don't kill it prior to HZ multiply */
+ if (usec >= 1000) { /* if "big" number, spread normalization to seconds */
+ tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
+ tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */
+ tmo /= 1000; /* finish normalize. */
+ } else { /* else small number, don't kill it prior to HZ multiply */
tmo = usec * CFG_HZ;
tmo /= (1000*1000);
}
- endtime = get_timer_masked() + tmo;
+ endtime = get_timer_masked () + tmo;
do {
- ulong now = get_timer_masked();
+ ulong now = get_timer_masked ();
diff = endtime - now;
} while (diff >= 0);
}
@@ -172,9 +158,10 @@ unsigned long long get_ticks(void)
* This function is derived from PowerPC code (timebase clock frequency).
* On ARM it returns the number of timer ticks per second.
*/
-ulong get_tbclk(void)
+ulong get_tbclk (void)
{
ulong tbclk;
tbclk = CFG_HZ;
return tbclk;
}
+#endif /* !Integrator/CP */
diff --git a/cpu/arm1136/mx31/Makefile b/cpu/arm1136/mx31/Makefile
deleted file mode 100644
index 1fc8eea451..0000000000
--- a/cpu/arm1136/mx31/Makefile
+++ /dev/null
@@ -1,44 +0,0 @@
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# 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 Foundatio; either version 2 of
-# the License, or (at your option) any later version.
-#
-# 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).a
-
-COBJS = interrupts.o serial.o generic.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#######################################################################
-##
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
diff --git a/cpu/arm1136/mx31/generic.c b/cpu/arm1136/mx31/generic.c
deleted file mode 100644
index 297d616d5e..0000000000
--- a/cpu/arm1136/mx31/generic.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 of
- * the License, or (at your option) any later version.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/arch/mx31-regs.h>
-
-static u32 mx31_decode_pll(u32 reg, u32 infreq)
-{
- u32 mfi = (reg >> 10) & 0xf;
- u32 mfn = reg & 0x3f;
- u32 mfd = (reg >> 16) & 0x3f;
- u32 pd = (reg >> 26) & 0xf;
-
- mfi = mfi <= 5 ? 5 : mfi;
- mfd += 1;
- pd += 1;
-
- return ((2 * (infreq >> 10) * (mfi * mfd + mfn)) /
- (mfd * pd)) << 10;
-}
-
-u32 mx31_get_mpl_dpdgck_clk(void)
-{
- u32 infreq;
-
- if ((__REG(CCM_CCMR) & CCMR_PRCS_MASK) == CCMR_FPM)
- infreq = CONFIG_MX31_CLK32 * 1024;
- else
- infreq = CONFIG_MX31_HCLK_FREQ;
-
- return mx31_decode_pll(__REG(CCM_MPCTL), infreq); }
-
-u32 mx31_get_mcu_main_clk(void)
-{
- /* For now we assume mpl_dpdgck_clk == mcu_main_clk
- * which should be correct for most boards
- */
- return mx31_get_mpl_dpdgck_clk();
-}
-
-u32 mx31_get_ipg_clk(void)
-{
- u32 freq = mx31_get_mcu_main_clk();
- u32 pdr0 = __REG(CCM_PDR0);
-
- freq /= ((pdr0 >> 3) & 0x7) + 1;
- freq /= ((pdr0 >> 6) & 0x3) + 1;
-
- return freq;
-}
-
-void mx31_dump_clocks(void)
-{
- u32 cpufreq = mx31_get_mcu_main_clk();
- printf("mx31 cpu clock: %dMHz\n", cpufreq / 1000000);
- printf("ipg clock : %dHz\n", mx31_get_ipg_clk());
-}
-
-void mx31_gpio_mux(unsigned long mode)
-{
- unsigned long reg, shift, tmp;
-
- reg = IOMUXC_BASE + (mode & 0xfc);
- shift = (~mode & 0x3) * 8;
-
- tmp = __REG(reg);
- tmp &= ~(0xff << shift);
- tmp |= ((mode >> 8) & 0xff) << shift;
- __REG(reg) = tmp;
-}
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo(void)
-{
- printf("CPU: Freescale i.MX31 at %d MHz\n",
- mx31_get_mcu_main_clk() / 1000000);
- return 0;
-}
-#endif
diff --git a/cpu/arm1136/mx31/interrupts.c b/cpu/arm1136/mx31/interrupts.c
deleted file mode 100644
index 189f6017ab..0000000000
--- a/cpu/arm1136/mx31/interrupts.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 of
- * the License, or (at your option) any later version.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/arch/mx31-regs.h>
-
-#define TIMER_BASE 0x53f90000 /* General purpose timer 1 */
-
-/* General purpose timers registers */
-#define GPTCR __REG(TIMER_BASE) /* Control register */
-#define GPTPR __REG(TIMER_BASE + 0x4) /* Prescaler register */
-#define GPTSR __REG(TIMER_BASE + 0x8) /* Status register */
-#define GPTCNT __REG(TIMER_BASE + 0x24) /* Counter register */
-
-/* General purpose timers bitfields */
-#define GPTCR_SWR (1<<15) /* Software reset */
-#define GPTCR_FRR (1<<9) /* Freerun / restart */
-#define GPTCR_CLKSOURCE_32 (4<<6) /* Clock source */
-#define GPTCR_TEN (1) /* Timer enable */
-
-/*
- * nothing really to do with interrupts, just starts up a counter.
- */
-int interrupt_init(void)
-{
- int i;
-
- /* setup GP Timer 1 */
- GPTCR = GPTCR_SWR;
- for (i = 0; i < 100; i++) GPTCR = 0; /* We have no udelay by now */
- GPTPR = 0; /* 32Khz */
- /* Freerun Mode, PERCLK1 input */
- GPTCR |= GPTCR_CLKSOURCE_32 | GPTCR_TEN;
-
- return 0;
-}
-
-void reset_timer_masked(void)
-{
- GPTCR = 0;
- /* Freerun Mode, PERCLK1 input*/
- GPTCR = GPTCR_CLKSOURCE_32 | GPTCR_TEN;
-}
-
-ulong get_timer_masked(void)
-{
- ulong val = GPTCNT;
- return val;
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-void set_timer(ulong t)
-{
-}
-
-/* delay x useconds AND perserve advance timstamp value */
-void udelay(unsigned long usec)
-{
- ulong tmo, tmp;
-
- if (usec >= 1000) {
- /* "big" number, spread normalization to seconds */
- /* start to normalize for usec to ticks per sec */
- tmo = usec / 1000;
- /* find number of "ticks" to wait to achieve target */
- tmo *= CFG_HZ;
- tmo /= 1000; /* finish normalize. */
- } else {
- /* else small number, don't kill it prior to HZ multiply */
- tmo = usec * CFG_HZ;
- tmo /= (1000*1000);
- }
-
- tmp = get_timer(0); /* get current timestamp */
- if ((tmo + tmp + 1) < tmp)
- /* setting this forward will roll time stamp */
- /* reset "advancing" timestamp to 0, set lastinc value */
- reset_timer_masked();
- else
- /* else, set advancing stamp wake up time */
- tmo += tmp;
- while (get_timer_masked() < tmo)/* loop till event */
- /*NOP*/;
-}
-
-void reset_cpu(ulong addr)
-{
- __REG16(WDOG_BASE) = 4;
-}
diff --git a/cpu/arm1136/mx31/serial.c b/cpu/arm1136/mx31/serial.c
deleted file mode 100644
index f7e1b3b1a9..0000000000
--- a/cpu/arm1136/mx31/serial.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>
- *
- * 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 of the License, or
- * (at your option) any later version.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <common.h>
-
-#if defined CONFIG_MX31_UART
-
-#include <asm/arch/mx31.h>
-
-#define __REG(x) (*((volatile u32 *)(x)))
-
-#ifdef CFG_MX31_UART1
-#define UART_PHYS 0x43f90000
-#elif defined(CFG_MX31_UART2)
-#define UART_PHYS 0x43f94000
-#elif defined(CFG_MX31_UART3)
-#define UART_PHYS 0x5000c000
-#elif defined(CFG_MX31_UART4)
-#define UART_PHYS 0x43fb0000
-#elif defined(CFG_MX31_UART5)
-#define UART_PHYS 0x43fb4000
-#else
-#error "define CFG_MX31_UARTx to use the mx31 UART driver"
-#endif
-
-/* Register definitions */
-#define URXD 0x0 /* Receiver Register */
-#define UTXD 0x40 /* Transmitter Register */
-#define UCR1 0x80 /* Control Register 1 */
-#define UCR2 0x84 /* Control Register 2 */
-#define UCR3 0x88 /* Control Register 3 */
-#define UCR4 0x8c /* Control Register 4 */
-#define UFCR 0x90 /* FIFO Control Register */
-#define USR1 0x94 /* Status Register 1 */
-#define USR2 0x98 /* Status Register 2 */
-#define UESC 0x9c /* Escape Character Register */
-#define UTIM 0xa0 /* Escape Timer Register */
-#define UBIR 0xa4 /* BRM Incremental Register */
-#define UBMR 0xa8 /* BRM Modulator Register */
-#define UBRC 0xac /* Baud Rate Count Register */
-#define UTS 0xb4 /* UART Test Register (mx31) */
-
-/* UART Control Register Bit Fields.*/
-#define URXD_CHARRDY (1<<15)
-#define URXD_ERR (1<<14)
-#define URXD_OVRRUN (1<<13)
-#define URXD_FRMERR (1<<12)
-#define URXD_BRK (1<<11)
-#define URXD_PRERR (1<<10)
-#define UCR1_ADEN (1<<15) /* Auto dectect interrupt */
-#define UCR1_ADBR (1<<14) /* Auto detect baud rate */
-#define UCR1_TRDYEN (1<<13) /* Transmitter ready interrupt enable */
-#define UCR1_IDEN (1<<12) /* Idle condition interrupt */
-#define UCR1_RRDYEN (1<<9) /* Recv ready interrupt enable */
-#define UCR1_RDMAEN (1<<8) /* Recv ready DMA enable */
-#define UCR1_IREN (1<<7) /* Infrared interface enable */
-#define UCR1_TXMPTYEN (1<<6) /* Transimitter empty interrupt enable */
-#define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
-#define UCR1_SNDBRK (1<<4) /* Send break */
-#define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */
-#define UCR1_UARTCLKEN (1<<2) /* UART clock enabled */
-#define UCR1_DOZE (1<<1) /* Doze */
-#define UCR1_UARTEN (1<<0) /* UART enabled */
-#define UCR2_ESCI (1<<15) /* Escape seq interrupt enable */
-#define UCR2_IRTS (1<<14) /* Ignore RTS pin */
-#define UCR2_CTSC (1<<13) /* CTS pin control */
-#define UCR2_CTS (1<<12) /* Clear to send */
-#define UCR2_ESCEN (1<<11) /* Escape enable */
-#define UCR2_PREN (1<<8) /* Parity enable */
-#define UCR2_PROE (1<<7) /* Parity odd/even */
-#define UCR2_STPB (1<<6) /* Stop */
-#define UCR2_WS (1<<5) /* Word size */
-#define UCR2_RTSEN (1<<4) /* Request to send interrupt enable */
-#define UCR2_TXEN (1<<2) /* Transmitter enabled */
-#define UCR2_RXEN (1<<1) /* Receiver enabled */
-#define UCR2_SRST (1<<0) /* SW reset */
-#define UCR3_DTREN (1<<13) /* DTR interrupt enable */
-#define UCR3_PARERREN (1<<12) /* Parity enable */
-#define UCR3_FRAERREN (1<<11) /* Frame error interrupt enable */
-#define UCR3_DSR (1<<10) /* Data set ready */
-#define UCR3_DCD (1<<9) /* Data carrier detect */
-#define UCR3_RI (1<<8) /* Ring indicator */
-#define UCR3_TIMEOUTEN (1<<7) /* Timeout interrupt enable */
-#define UCR3_RXDSEN (1<<6) /* Receive status interrupt enable */
-#define UCR3_AIRINTEN (1<<5) /* Async IR wake interrupt enable */
-#define UCR3_AWAKEN (1<<4) /* Async wake interrupt enable */
-#define UCR3_REF25 (1<<3) /* Ref freq 25 MHz */
-#define UCR3_REF30 (1<<2) /* Ref Freq 30 MHz */
-#define UCR3_INVT (1<<1) /* Inverted Infrared transmission */
-#define UCR3_BPEN (1<<0) /* Preset registers enable */
-#define UCR4_CTSTL_32 (32<<10) /* CTS trigger level (32 chars) */
-#define UCR4_INVR (1<<9) /* Inverted infrared reception */
-#define UCR4_ENIRI (1<<8) /* Serial infrared interrupt enable */
-#define UCR4_WKEN (1<<7) /* Wake interrupt enable */
-#define UCR4_REF16 (1<<6) /* Ref freq 16 MHz */
-#define UCR4_IRSC (1<<5) /* IR special case */
-#define UCR4_TCEN (1<<3) /* Transmit complete interrupt enable */
-#define UCR4_BKEN (1<<2) /* Break condition interrupt enable */
-#define UCR4_OREN (1<<1) /* Receiver overrun interrupt enable */
-#define UCR4_DREN (1<<0) /* Recv data ready interrupt enable */
-#define UFCR_RXTL_SHF 0 /* Receiver trigger level shift */
-#define UFCR_RFDIV (7<<7) /* Reference freq divider mask */
-#define UFCR_TXTL_SHF 10 /* Transmitter trigger level shift */
-#define USR1_PARITYERR (1<<15) /* Parity error interrupt flag */
-#define USR1_RTSS (1<<14) /* RTS pin status */
-#define USR1_TRDY (1<<13) /* Transmitter ready interrupt/dma flag */
-#define USR1_RTSD (1<<12) /* RTS delta */
-#define USR1_ESCF (1<<11) /* Escape seq interrupt flag */
-#define USR1_FRAMERR (1<<10) /* Frame error interrupt flag */
-#define USR1_RRDY (1<<9) /* Receiver ready interrupt/dma flag */
-#define USR1_TIMEOUT (1<<7) /* Receive timeout interrupt status */
-#define USR1_RXDS (1<<6) /* Receiver idle interrupt flag */
-#define USR1_AIRINT (1<<5) /* Async IR wake interrupt flag */
-#define USR1_AWAKE (1<<4) /* Aysnc wake interrupt flag */
-#define USR2_ADET (1<<15) /* Auto baud rate detect complete */
-#define USR2_TXFE (1<<14) /* Transmit buffer FIFO empty */
-#define USR2_DTRF (1<<13) /* DTR edge interrupt flag */
-#define USR2_IDLE (1<<12) /* Idle condition */
-#define USR2_IRINT (1<<8) /* Serial infrared interrupt flag */
-#define USR2_WAKE (1<<7) /* Wake */
-#define USR2_RTSF (1<<4) /* RTS edge interrupt flag */
-#define USR2_TXDC (1<<3) /* Transmitter complete */
-#define USR2_BRCD (1<<2) /* Break condition */
-#define USR2_ORE (1<<1) /* Overrun error */
-#define USR2_RDR (1<<0) /* Recv data ready */
-#define UTS_FRCPERR (1<<13) /* Force parity error */
-#define UTS_LOOP (1<<12) /* Loop tx and rx */
-#define UTS_TXEMPTY (1<<6) /* TxFIFO empty */
-#define UTS_RXEMPTY (1<<5) /* RxFIFO empty */
-#define UTS_TXFULL (1<<4) /* TxFIFO full */
-#define UTS_RXFULL (1<<3) /* RxFIFO full */
-#define UTS_SOFTRST (1<<0) /* Software reset */
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void serial_setbrg(void)
-{
- u32 clk = mx31_get_ipg_clk();
-
- if (!gd->baudrate)
- gd->baudrate = CONFIG_BAUDRATE;
-
- __REG(UART_PHYS + UFCR) = 4 << 7; /* divide input clock by 2 */
- __REG(UART_PHYS + UBIR) = 0xf;
- __REG(UART_PHYS + UBMR) = clk / (2 * gd->baudrate);
-
-}
-
-int serial_getc(void)
-{
- while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY);
- return __REG(UART_PHYS + URXD);
-}
-
-void serial_putc(const char c)
-{
- __REG(UART_PHYS + UTXD) = c;
-
- /* wait for transmitter to be ready */
- while (!(__REG(UART_PHYS + UTS) & UTS_TXEMPTY));
-
- /* If \n, also do \r */
- if (c == '\n')
- serial_putc('\r');
-}
-
-/*
- * Test whether a character is in the RX buffer */
-int serial_tstc(void)
-{
- /* If receive fifo is empty, return false */
- if (__REG(UART_PHYS + UTS) & UTS_RXEMPTY)
- return 0;
- return 1;
-}
-
-void serial_puts(const char *s)
-{
- while (*s) {
- serial_putc(*s++);
- }
-}
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-int serial_init(void)
-{
- __REG(UART_PHYS + UCR1) = 0x0;
- __REG(UART_PHYS + UCR2) = 0x0;
-
- while (!(__REG(UART_PHYS + UCR2) & UCR2_SRST));
-
- __REG(UART_PHYS + UCR3) = 0x0704;
- __REG(UART_PHYS + UCR4) = 0x8000;
- __REG(UART_PHYS + UESC) = 0x002b;
- __REG(UART_PHYS + UTIM) = 0x0;
-
- __REG(UART_PHYS + UTS) = 0x0;
-
- serial_setbrg();
-
- __REG(UART_PHYS + UCR2) = UCR2_WS | UCR2_IRTS | UCR2_RXEN | \
- UCR2_TXEN | UCR2_SRST;
-
- __REG(UART_PHYS + UCR1) = UCR1_UARTEN;
-
- return 0;
-}
-
-
-#endif /* CONFIG_MX31 */
diff --git a/cpu/arm1136/omap24xx/Makefile b/cpu/arm1136/omap24xx/Makefile
deleted file mode 100644
index 39b0a82811..0000000000
--- a/cpu/arm1136/omap24xx/Makefile
+++ /dev/null
@@ -1,46 +0,0 @@
-#
-# (C) Copyright 2000-2008
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# 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 Foundatio; either version 2 of
-# the License, or (at your option) any later version.
-#
-# 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).a
-
-COBJS = interrupts.o
-SOBJS = start.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/cpu/arm1136/omap24xx/start.S b/cpu/arm1136/omap24xx/start.S
deleted file mode 100644
index 5634312970..0000000000
--- a/cpu/arm1136/omap24xx/start.S
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * armboot - Startup Code for OMP2420/ARM1136 CPU-core
- *
- * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com>
- *
- * Copyright (c) 2001 Marius Gr??ger <mag@sysgo.de>
- * Copyright (c) 2002 Alex Z??pke <azu@sysgo.de>
- * Copyright (c) 2002 Gary Jennejohn <gj@denx.de>
- * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
- * Copyright (c) 2003 Kshitij <kshitij@ti.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 of
- * the License, or (at your option) any later version.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <asm/arch/omap2420.h>
-
-.globl reset_cpu
-reset_cpu:
- ldr r1, rstctl /* get addr for global reset reg */
- mov r3, #0x2 /* full reset pll+mpu */
- str r3, [r1] /* force reset */
- mov r0, r0
-_loop_forever:
- b _loop_forever
-rstctl:
- .word PM_RSTCTRL_WKUP
diff --git a/cpu/arm1136/start.S b/cpu/arm1136/start.S
index 56009d0fb3..8b765f1e80 100644
--- a/cpu/arm1136/start.S
+++ b/cpu/arm1136/start.S
@@ -30,6 +30,9 @@
#include <config.h>
#include <version.h>
+#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR)
+#include <asm/arch/omap2420.h>
+#endif
.globl _start
_start: b reset
#ifdef CONFIG_ONENAND_IPL
@@ -435,4 +438,22 @@ fiq:
arm1136_cache_flush:
mcr p15, 0, r1, c7, c5, 0 @ invalidate I cache
mov pc, lr @ back to caller
+
+#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_CINTEGRATOR)
+/* Use the IntegratorCP function from board/integratorcp/platform.S */
+#else
+
+ .align 5
+.globl reset_cpu
+reset_cpu:
+ ldr r1, rstctl /* get addr for global reset reg */
+ mov r3, #0x2 /* full reset pll+mpu */
+ str r3, [r1] /* force reset */
+ mov r0, r0
+_loop_forever:
+ b _loop_forever
+rstctl:
+ .word PM_RSTCTRL_WKUP
+
+#endif
#endif /* CONFIG_ONENAND_IPL */
diff --git a/cpu/arm926ejs/davinci/lowlevel_init.S b/cpu/arm926ejs/davinci/lowlevel_init.S
index 79bc692c14..a87c112eca 100644
--- a/cpu/arm926ejs/davinci/lowlevel_init.S
+++ b/cpu/arm926ejs/davinci/lowlevel_init.S
@@ -3,11 +3,6 @@
*
* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
*
- * Copyright (C) 2008 Prodrive BV <pv@prodrive.nl>
- * Changed:
- * Made board specific defines such as DDR timing and PLL
- * dividers. These should be set in the board config file
- *
* Partially based on TI sources, original copyrights follow:
*/
@@ -161,17 +156,17 @@ WaitPPL2Loop:
/* Program the PLL Multiplier */
ldr r6, PLL2_PLLM
- mov r2, $CFG_DAVINCI_PLL2_PLLM
+ mov r2, $0x17 /* 162 MHz */
str r2, [r6]
/* Program the PLL2 Divisor Value */
ldr r6, PLL2_DIV2
- mov r3, $CFG_DAVINCI_PLL2_DIV2
+ mov r3, $0x01
str r3, [r6]
/* Program the PLL2 Divisor Value */
ldr r6, PLL2_DIV1
- mov r4, $CFG_DAVINCI_PLL2_DIV1
+ mov r4, $0x0b /* 54 MHz */
str r4, [r6]
/* PLL2 DIV2 MMR */
@@ -278,7 +273,7 @@ checkDDRStatClkStop:
bne checkDDRStatClkStop
/*------------------------------------------------------*
- * Program DDR2 MMRs *
+ * Program DDR2 MMRs for 162MHz Setting *
*------------------------------------------------------*/
/* Program PHY Control Register */
@@ -293,12 +288,12 @@ checkDDRStatClkStop:
/* Program SDRAM TIM-0 Config Register */
ldr r6, SDTIM0
- ldr r7, SDTIM0_VAL
+ ldr r7, SDTIM0_VAL_162MHz
str r7, [r6]
/* Program SDRAM TIM-1 Config Register */
ldr r6, SDTIM1
- ldr r7, SDTIM1_VAL
+ ldr r7, SDTIM1_VAL_162MHz
str r7, [r6]
/* Program the SDRAM Bank Config Control Register */
@@ -440,7 +435,7 @@ WaitLoop:
/* Program the PLL Multiplier */
ldr r6, PLL1_PLLM
- mov r3, $CFG_DAVINCI_PLL1_PLLM
+ mov r3, $0x15 /* For 594MHz */
str r3, [r6]
/* Wait for PLL to Reset Properly */
@@ -472,7 +467,7 @@ PLL1Lock:
nop
/*------------------------------------------------------*
- * AEMIF configuration for NAND/NOR Flash *
+ * AEMIF configuration for NOR Flash (double check) *
*------------------------------------------------------*/
ldr r0, _PINMUX0
ldr r1, _DEV_SETTING
@@ -484,12 +479,6 @@ PLL1Lock:
orr r2, r2, r1
str r2, [r0]
- ldr r0, ACFG2
- ldr r1, ACFG2_VAL
- ldr r2, [r0]
- and r1, r2, r1
- str r1, [r0]
-
ldr r0, ACFG3
ldr r1, ACFG3_VAL
ldr r2, [r0]
@@ -508,12 +497,6 @@ PLL1Lock:
and r1, r2, r1
str r1, [r0]
- ldr r0, NANDFCR
- ldr r1, NANDFCR_VAL
- ldr r2, [r0]
- and r1, r2, r1
- str r1, [r0]
-
/*--------------------------------------*
* VTP manual Calibration *
*--------------------------------------*/
@@ -577,36 +560,24 @@ _PINMUX1:
.word 0x01c40004 /* Device Configuration Registers */
_DEV_SETTING:
- .word CFG_DAVINCI_PINMUX_0
+ .word 0x00000c1f
WAITCFG:
.word 0x01e00004
WAITCFG_VAL:
- .word CFG_DAVINCI_WAITCFG
-ACFG2:
- .word 0x01e00010
-ACFG2_VAL:
- .word CFG_DAVINCI_ACFG2
+ .word 0
ACFG3:
.word 0x01e00014
ACFG3_VAL:
- .word CFG_DAVINCI_ACFG3
+ .word 0x3ffffffd
ACFG4:
.word 0x01e00018
ACFG4_VAL:
- .word CFG_DAVINCI_ACFG4
+ .word 0x3ffffffd
ACFG5:
.word 0x01e0001c
ACFG5_VAL:
- .word CFG_DAVINCI_ACFG5
-NANDFCR:
- .word 0x01e00060
-NANDFCR_VAL:
-#ifdef CFG_DAVINCI_NANDCE
- .word (1 << (CFG_DAVINCI_NANDCE - 2))
-#else
- .word 0x00000000
-#endif
+ .word 0x3ffffffd
MDCTL_DDR2:
.word 0x01c41a34
@@ -628,27 +599,33 @@ PSC_FLAG_CLEAR:
PSC_GEM_FLAG_CLEAR:
.word 0xfffffeff
-/* DDR2 MMR & CONFIGURATION VALUES */
+/* DDR2 MMR & CONFIGURATION VALUES, 162 MHZ clock */
DDRCTL:
.word 0x200000e4
DDRCTL_VAL:
- .word CFG_DAVINCI_DDRCTL
+ .word 0x50006405
SDREF:
.word 0x2000000c
SDREF_VAL:
- .word CFG_DAVINCI_SDREF
+ .word 0x000005c3
SDCFG:
.word 0x20000008
SDCFG_VAL:
- .word CFG_DAVINCI_SDCFG
+#ifdef DDR_4BANKS
+ .word 0x00178622
+#elif defined DDR_8BANKS
+ .word 0x00178632
+#else
+#error "Unknown DDR configuration!!!"
+#endif
SDTIM0:
.word 0x20000010
-SDTIM0_VAL:
- .word CFG_DAVINCI_SDTIM0
+SDTIM0_VAL_162MHz:
+ .word 0x28923211
SDTIM1:
.word 0x20000014
-SDTIM1_VAL:
- .word CFG_DAVINCI_SDTIM1
+SDTIM1_VAL_162MHz:
+ .word 0x0016c722
VTPIOCR:
.word 0x200000f0 /* VTP IO Control register */
DDRVTPR:
@@ -722,7 +699,7 @@ PLL2_DIV_MASK:
MMARG_BRF0:
.word 0x01c42010 /* BRF margin mode 0 (R/W)*/
MMARG_BRF0_VAL:
- .word CFG_DAVINCI_MMARG_BRF0
+ .word 0x00444400
DDR2_START_ADDR:
.word 0x80000000
diff --git a/cpu/arm926ejs/davinci/nand.c b/cpu/arm926ejs/davinci/nand.c
index 3257f83a2f..127be9fcd4 100644
--- a/cpu/arm926ejs/davinci/nand.c
+++ b/cpu/arm926ejs/davinci/nand.c
@@ -117,7 +117,7 @@ static void nand_davinci_enable_hwecc(struct mtd_info *mtd, int mode)
dummy = emif_addr->NANDF3ECC;
dummy = emif_addr->NANDF4ECC;
- emif_addr->NANDFCR |= (1 << (CFG_DAVINCI_NANDCE + 6));
+ emif_addr->NANDFCR |= (1 << 8);
}
static u_int32_t nand_davinci_readecc(struct mtd_info *mtd, u_int32_t region)
@@ -147,7 +147,7 @@ static int nand_davinci_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u
n = (this->eccmode == NAND_ECC_HW12_2048) ? 4 : 1;
- region = (CFG_DAVINCI_NANDCE - 1);
+ region = 1;
while (n--) {
tmp = nand_davinci_readecc(mtd, region);
*ecc_code++ = tmp;
@@ -311,9 +311,40 @@ static int nand_davinci_waitfunc(struct mtd_info *mtd, struct nand_chip *this, i
static void nand_flash_init(void)
{
- /* All EMIF initialization is done in lowlevel_init.S
- * and config values are in the board config files
- */
+ u_int32_t acfg1 = 0x3ffffffc;
+ u_int32_t acfg2 = 0x3ffffffc;
+ u_int32_t acfg3 = 0x3ffffffc;
+ u_int32_t acfg4 = 0x3ffffffc;
+ emifregs emif_regs;
+
+ /*------------------------------------------------------------------*
+ * NAND FLASH CHIP TIMEOUT @ 459 MHz *
+ * *
+ * AEMIF.CLK freq = PLL1/6 = 459/6 = 76.5 MHz *
+ * AEMIF.CLK period = 1/76.5 MHz = 13.1 ns *
+ * *
+ *------------------------------------------------------------------*/
+ acfg1 = 0
+ | (0 << 31 ) /* selectStrobe */
+ | (0 << 30 ) /* extWait */
+ | (1 << 26 ) /* writeSetup 10 ns */
+ | (3 << 20 ) /* writeStrobe 40 ns */
+ | (1 << 17 ) /* writeHold 10 ns */
+ | (1 << 13 ) /* readSetup 10 ns */
+ | (5 << 7 ) /* readStrobe 60 ns */
+ | (1 << 4 ) /* readHold 10 ns */
+ | (3 << 2 ) /* turnAround ?? ns */
+ | (0 << 0 ) /* asyncSize 8-bit bus */
+ ;
+
+ emif_regs = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
+
+ emif_regs->AWCCR |= 0x10000000;
+ emif_regs->AB1CR = acfg1; /* 0x08244128 */;
+ emif_regs->AB2CR = acfg2;
+ emif_regs->AB3CR = acfg3;
+ emif_regs->AB4CR = acfg4;
+ emif_regs->NANDFCR = 0x00000101;
}
int board_nand_init(struct nand_chip *nand)
diff --git a/cpu/arm926ejs/davinci/timer.c b/cpu/arm926ejs/davinci/timer.c
index 4797797b6d..8bb8b45713 100644
--- a/cpu/arm926ejs/davinci/timer.c
+++ b/cpu/arm926ejs/davinci/timer.c
@@ -42,9 +42,9 @@
typedef volatile struct {
u_int32_t pid12;
- u_int32_t emumgt;
- u_int32_t na1;
- u_int32_t na2;
+ u_int32_t emumgt_clksped;
+ u_int32_t gpint_en;
+ u_int32_t gpdir_dat;
u_int32_t tim12;
u_int32_t tim34;
u_int32_t prd12;
@@ -52,12 +52,21 @@ typedef volatile struct {
u_int32_t tcr;
u_int32_t tgcr;
u_int32_t wdtcr;
+ u_int32_t tlgc;
+ u_int32_t tlmr;
} davinci_timer;
davinci_timer *timer = (davinci_timer *)CFG_TIMERBASE;
#define TIMER_LOAD_VAL (CFG_HZ_CLOCK / CFG_HZ)
-#define TIM_CLK_DIV 16
+#define READ_TIMER timer->tim34
+
+/*
+ * Timer runs with CFG_HZ_CLOCK, currently 27MHz. To avoid wrap
+ * around of timestamp already after min ~159s, divide it, e.g. by 16.
+ * timestamp will then wrap around all min ~42min
+ */
+#define DIV(x) ((x) >> 4)
static ulong timestamp;
static ulong lastinc;
@@ -67,50 +76,63 @@ int timer_init(void)
/* We are using timer34 in unchained 32-bit mode, full speed */
timer->tcr = 0x0;
timer->tgcr = 0x0;
- timer->tgcr = 0x06 | ((TIM_CLK_DIV - 1) << 8);
+ timer->tgcr = 0x06;
timer->tim34 = 0x0;
timer->prd34 = TIMER_LOAD_VAL;
lastinc = 0;
+ timer->tcr = 0x80 << 16;
timestamp = 0;
- timer->tcr = 2 << 22;
return(0);
}
void reset_timer(void)
{
- timer->tcr = 0x0;
- timer->tim34 = 0;
- lastinc = 0;
+ reset_timer_masked();
+}
+
+ulong get_timer(ulong base)
+{
+ return(get_timer_masked() - base);
+}
+
+void set_timer(ulong t)
+{
+ timestamp = t;
+}
+
+void udelay(unsigned long usec)
+{
+ udelay_masked(usec);
+}
+
+void reset_timer_masked(void)
+{
+ lastinc = DIV(READ_TIMER);
timestamp = 0;
- timer->tcr = 2 << 22;
}
-static ulong get_timer_raw(void)
+ulong get_timer_raw(void)
{
- ulong now = timer->tim34;
+ ulong now = DIV(READ_TIMER);
if (now >= lastinc) {
/* normal mode */
timestamp += now - lastinc;
} else {
/* overflow ... */
- timestamp += now + TIMER_LOAD_VAL - lastinc;
+ timestamp += now + DIV(TIMER_LOAD_VAL) - lastinc;
}
lastinc = now;
return timestamp;
}
-ulong get_timer(ulong base)
-{
- return((get_timer_raw() / (TIMER_LOAD_VAL / TIM_CLK_DIV)) - base); }
-
-void set_timer(ulong t)
+ulong get_timer_masked(void)
{
- timestamp = t;
+ return(get_timer_raw() / DIV(TIMER_LOAD_VAL));
}
-void udelay(unsigned long usec)
+void udelay_masked(unsigned long usec)
{
ulong tmo;
ulong endtime;
@@ -118,7 +140,7 @@ void udelay(unsigned long usec)
tmo = CFG_HZ_CLOCK / 1000;
tmo *= usec;
- tmo /= (1000 * TIM_CLK_DIV);
+ tmo /= 1000;
endtime = get_timer_raw() + tmo;
@@ -143,5 +165,8 @@ unsigned long long get_ticks(void)
*/
ulong get_tbclk(void)
{
- return CFG_HZ;
+ ulong tbclk;
+
+ tbclk = CFG_HZ;
+ return(tbclk);
}
generated by cgit (git 2.34.1) at 2024-12-27 14:36:36 +0000