summaryrefslogtreecommitdiffstats
path: root/cpu/arm720t
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/arm720t')
-rw-r--r--cpu/arm720t/config.mk11
-rw-r--r--cpu/arm720t/cpu.c11
-rw-r--r--cpu/arm720t/interrupts.c16
-rw-r--r--cpu/arm720t/serial.c2
-rw-r--r--cpu/arm720t/serial_netarm.c14
-rw-r--r--cpu/arm720t/start.S15
6 files changed, 57 insertions, 12 deletions
diff --git a/cpu/arm720t/config.mk b/cpu/arm720t/config.mk
index 2d79709..641b91c 100644
--- a/cpu/arm720t/config.mk
+++ b/cpu/arm720t/config.mk
@@ -23,6 +23,13 @@
#
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
- -mshort-load-bytes -msoft-float
+ -msoft-float
-PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=arm7tdmi
+PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm720t/cpu.c b/cpu/arm720t/cpu.c
index 5421aff..a5b6de7 100644
--- a/cpu/arm720t/cpu.c
+++ b/cpu/arm720t/cpu.c
@@ -57,7 +57,7 @@ int cleanup_before_linux (void)
* and we set the CPU-speed to 73 MHz - see start.S for details
*/
-#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312)
+#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO)
unsigned long i;
disable_interrupts ();
@@ -76,6 +76,8 @@ int cleanup_before_linux (void)
#elif defined(CONFIG_NETARM) || defined(CONFIG_S3C4510B)
disable_interrupts ();
/* Nothing more needed */
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+ /* No cleanup before linux for IntegratorAP/CM720T as yet */
#else
#error No cleanup_before_linux() defined for this CPU type
#endif
@@ -95,7 +97,7 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
*
*/
-#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM)
+#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) || defined(CONFIG_ARMADILLO)
/* read co-processor 15, register #1 (control register) */
static unsigned long read_p15_c1(void)
{
@@ -245,6 +247,11 @@ int dcache_status (void)
return icache_status();
}
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+ /* No specific cache setup for IntegratorAP/CM720T as yet */
+ void icache_enable (void)
+ {
+ }
#else
#error No icache/dcache enable/disable functions defined for this CPU type
#endif
diff --git a/cpu/arm720t/interrupts.c b/cpu/arm720t/interrupts.c
index ab28e60..da62502 100644
--- a/cpu/arm720t/interrupts.c
+++ b/cpu/arm720t/interrupts.c
@@ -180,7 +180,7 @@ void do_fiq (struct pt_regs *pt_regs)
void do_irq (struct pt_regs *pt_regs)
{
-#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM)
+#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) || defined(CONFIG_ARMADILLO)
printf ("interrupt request\n");
show_regs (pt_regs);
bad_mode ();
@@ -193,6 +193,8 @@ void do_irq (struct pt_regs *pt_regs)
/* clear pending interrupt */
PUT_REG( REG_INTPEND, (1<<(pending>>2)));
}
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+ /* No do_irq() for IntegratorAP/CM720T as yet */
#else
#error do_irq() not defined for this CPU type
#endif
@@ -216,6 +218,10 @@ static void timer_isr( void *data) {
}
#endif
+#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+ /* Use IntegratorAP routines in board/integratorap.c */
+#else
+
static ulong timestamp;
static ulong lastdec;
@@ -233,7 +239,7 @@ int interrupt_init (void)
/* set timer 2 counter */
lastdec = TIMER_LOAD_VAL;
-#elif defined(CONFIG_IMPA7) || defined(CONFIG_EP7312)
+#elif defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO)
/* disable all interrupts */
IO_INTMR1 = 0;
@@ -296,12 +302,14 @@ int interrupt_init (void)
return (0);
}
+#endif /* ! IntegratorAP */
+
/*
* timer without interrupts
*/
-#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM)
+#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_NETARM) || defined(CONFIG_ARMADILLO)
void reset_timer (void)
{
@@ -398,6 +406,8 @@ void udelay (unsigned long usec)
}
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+ /* No timer routines for IntegratorAP/CM720T as yet */
#else
#error Timer routines not defined for this CPU type
#endif
diff --git a/cpu/arm720t/serial.c b/cpu/arm720t/serial.c
index a5da4b7..0f99979 100644
--- a/cpu/arm720t/serial.c
+++ b/cpu/arm720t/serial.c
@@ -30,7 +30,7 @@
#include <common.h>
-#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312)
+#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO)
#include <clps7111.h>
diff --git a/cpu/arm720t/serial_netarm.c b/cpu/arm720t/serial_netarm.c
index 5b41949..5ad98f0 100644
--- a/cpu/arm720t/serial_netarm.c
+++ b/cpu/arm720t/serial_netarm.c
@@ -35,7 +35,11 @@
#include <asm/hardware.h>
#define PORTA (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTA))
+#if !defined(CONFIG_NETARM_NS7520)
#define PORTB (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTB))
+#else
+#define PORTC (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_PORTC))
+#endif
/* wait until transmitter is ready for another character */
#define TXWAITRDY(registers) \
@@ -48,8 +52,13 @@
}
+#ifndef CONFIG_UART1_CONSOLE
volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(0);
volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(1);
+#else
+volatile netarm_serial_channel_t *serial_reg_ch1 = get_serial_channel(1);
+volatile netarm_serial_channel_t *serial_reg_ch2 = get_serial_channel(0);
+#endif
extern void _netarm_led_FAIL1(void);
@@ -62,8 +71,13 @@ void serial_setbrg (void)
DECLARE_GLOBAL_DATA_PTR;
/* set 0 ... make sure pins are configured for serial */
+#if !defined(CONFIG_NETARM_NS7520)
PORTA = PORTB =
NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
+#else
+ PORTA = NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
+ PORTC = NETARM_GEN_PORT_CSF (0xef) | NETARM_GEN_PORT_MODE (0xef) | NETARM_GEN_PORT_DIR (0xe0);
+#endif
/* first turn em off */
serial_reg_ch1->ctrl_a = serial_reg_ch2->ctrl_a = 0;
diff --git a/cpu/arm720t/start.S b/cpu/arm720t/start.S
index 3695465..e66d109 100644
--- a/cpu/arm720t/start.S
+++ b/cpu/arm720t/start.S
@@ -188,7 +188,7 @@ _start_armboot: .word start_armboot
*************************************************************************
*/
-#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312)
+#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO)
/* Interupt-Controller base addresses */
INTMR1: .word 0x80000280 @ 32 bit size
@@ -209,7 +209,7 @@ SYSCON3: .word 0x80002200
#endif
cpu_init_crit:
-#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312)
+#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO)
/*
* mask all IRQs by clearing all bits in the INTMRs
@@ -272,12 +272,15 @@ cpu_init_crit:
str r1, [r0, #+NETARM_GEN_SYSTEM_CONTROL]
+#ifndef CONFIG_NETARM_PLL_BYPASS
ldr r1, =( NETARM_GEN_PLL_CTL_PLLCNT(NETARM_PLL_COUNT_VAL) | \
NETARM_GEN_PLL_CTL_POLTST_DEF | \
NETARM_GEN_PLL_CTL_INDIV(1) | \
NETARM_GEN_PLL_CTL_ICP_DEF | \
NETARM_GEN_PLL_CTL_OUTDIV(2) )
str r1, [r0, #+NETARM_GEN_PLL_CONTROL]
+#endif
+
/*
* mask all IRQs by clearing all bits in the INTMRs
*/
@@ -301,6 +304,8 @@ cpu_init_crit:
ldr r1, =0x83ffffa0 /* cache-disabled */
str r1, [r0]
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+ /* No specific initialisation for IntegratorAP/CM720T as yet */
#else
#error No cpu_init_crit() defined for current CPU type
#endif
@@ -316,12 +321,12 @@ cpu_init_crit:
str r1, [r0]
#endif
+ mov ip, lr
/*
* before relocating, we have to setup RAM timing
* because memory timing is board-dependent, you will
* find a lowlevel_init.S in your board directory.
*/
- mov ip, lr
bl lowlevel_init
mov lr, ip
@@ -495,7 +500,7 @@ fiq:
#endif
-#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312)
+#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO)
.align 5
.globl reset_cpu
reset_cpu:
@@ -530,6 +535,8 @@ reset_cpu:
#elif defined(CONFIG_S3C4510B)
/* Nothing done here as reseting the CPU is board specific, depending
* on external peripherals such as watchdog timers, etc. */
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+ /* No specific reset actions for IntegratorAP/CM720T as yet */
#else
#error No reset_cpu() defined for current CPU type
#endif
generated by cgit v1.1 at 2024-07-31 00:13:04 +0000