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Diffstat (limited to 'arch/m68k/amiga/config.c')
-rw-r--r--arch/m68k/amiga/config.c83
1 files changed, 52 insertions, 31 deletions
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index b819390e29c..01693df7f2f 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -28,6 +28,8 @@
#include <linux/keyboard.h>
#include <asm/bootinfo.h>
+#include <asm/bootinfo-amiga.h>
+#include <asm/byteorder.h>
#include <asm/setup.h>
#include <asm/pgtable.h>
#include <asm/amigahw.h>
@@ -140,48 +142,48 @@ static struct resource ram_resource[NUM_MEMINFO];
* Parse an Amiga-specific record in the bootinfo
*/
-int amiga_parse_bootinfo(const struct bi_record *record)
+int __init amiga_parse_bootinfo(const struct bi_record *record)
{
int unknown = 0;
- const unsigned long *data = record->data;
+ const void *data = record->data;
- switch (record->tag) {
+ switch (be16_to_cpu(record->tag)) {
case BI_AMIGA_MODEL:
- amiga_model = *data;
+ amiga_model = be32_to_cpup(data);
break;
case BI_AMIGA_ECLOCK:
- amiga_eclock = *data;
+ amiga_eclock = be32_to_cpup(data);
break;
case BI_AMIGA_CHIPSET:
- amiga_chipset = *data;
+ amiga_chipset = be32_to_cpup(data);
break;
case BI_AMIGA_CHIP_SIZE:
- amiga_chip_size = *(const int *)data;
+ amiga_chip_size = be32_to_cpup(data);
break;
case BI_AMIGA_VBLANK:
- amiga_vblank = *(const unsigned char *)data;
+ amiga_vblank = *(const __u8 *)data;
break;
case BI_AMIGA_PSFREQ:
- amiga_psfreq = *(const unsigned char *)data;
+ amiga_psfreq = *(const __u8 *)data;
break;
case BI_AMIGA_AUTOCON:
#ifdef CONFIG_ZORRO
if (zorro_num_autocon < ZORRO_NUM_AUTO) {
- const struct ConfigDev *cd = (struct ConfigDev *)data;
- struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++];
+ const struct ConfigDev *cd = data;
+ struct zorro_dev_init *dev = &zorro_autocon_init[zorro_num_autocon++];
dev->rom = cd->cd_Rom;
- dev->slotaddr = cd->cd_SlotAddr;
- dev->slotsize = cd->cd_SlotSize;
- dev->resource.start = (unsigned long)cd->cd_BoardAddr;
- dev->resource.end = dev->resource.start + cd->cd_BoardSize - 1;
+ dev->slotaddr = be16_to_cpu(cd->cd_SlotAddr);
+ dev->slotsize = be16_to_cpu(cd->cd_SlotSize);
+ dev->boardaddr = be32_to_cpu(cd->cd_BoardAddr);
+ dev->boardsize = be32_to_cpu(cd->cd_BoardSize);
} else
- printk("amiga_parse_bootinfo: too many AutoConfig devices\n");
+ pr_warn("amiga_parse_bootinfo: too many AutoConfig devices\n");
#endif /* CONFIG_ZORRO */
break;
@@ -207,9 +209,9 @@ static void __init amiga_identify(void)
memset(&amiga_hw_present, 0, sizeof(amiga_hw_present));
- printk("Amiga hardware found: ");
+ pr_info("Amiga hardware found: ");
if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) {
- printk("[%s] ", amiga_models[amiga_model-AMI_500]);
+ pr_cont("[%s] ", amiga_models[amiga_model-AMI_500]);
strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]);
}
@@ -320,7 +322,7 @@ static void __init amiga_identify(void)
#define AMIGAHW_ANNOUNCE(name, str) \
if (AMIGAHW_PRESENT(name)) \
- printk(str)
+ pr_cont(str)
AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO ");
AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER ");
@@ -352,12 +354,20 @@ static void __init amiga_identify(void)
AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK ");
AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA ");
if (AMIGAHW_PRESENT(ZORRO))
- printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : "");
- printk("\n");
+ pr_cont("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : "");
+ pr_cont("\n");
#undef AMIGAHW_ANNOUNCE
}
+
+static unsigned long amiga_random_get_entropy(void)
+{
+ /* VPOSR/VHPOSR provide at least 17 bits of data changing at 1.79 MHz */
+ return *(unsigned long *)&amiga_custom.vposr;
+}
+
+
/*
* Setup the Amiga configuration info
*/
@@ -395,6 +405,8 @@ void __init config_amiga(void)
mach_heartbeat = amiga_heartbeat;
#endif
+ mach_random_get_entropy = amiga_random_get_entropy;
+
/* Fill in the clock value (based on the 700 kHz E-Clock) */
amiga_colorclock = 5*amiga_eclock; /* 3.5 MHz */
@@ -412,7 +424,7 @@ void __init config_amiga(void)
if (m68k_memory[i].addr < 16*1024*1024) {
if (i == 0) {
/* don't cut off the branch we're sitting on */
- printk("Warning: kernel runs in Zorro II memory\n");
+ pr_warn("Warning: kernel runs in Zorro II memory\n");
continue;
}
disabled_z2mem += m68k_memory[i].size;
@@ -423,8 +435,8 @@ void __init config_amiga(void)
}
}
if (disabled_z2mem)
- printk("%dK of Zorro II memory will not be used as system memory\n",
- disabled_z2mem>>10);
+ pr_info("%dK of Zorro II memory will not be used as system memory\n",
+ disabled_z2mem>>10);
}
/* request all RAM */
@@ -463,7 +475,7 @@ static void __init amiga_sched_init(irq_handler_t timer_routine)
jiffy_ticks = DIV_ROUND_CLOSEST(amiga_eclock, HZ);
if (request_resource(&mb_resources._ciab, &sched_res))
- printk("Cannot allocate ciab.ta{lo,hi}\n");
+ pr_warn("Cannot allocate ciab.ta{lo,hi}\n");
ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */
ciab.talo = jiffy_ticks % 256;
ciab.tahi = jiffy_ticks / 256;
@@ -608,6 +620,8 @@ static void amiga_mem_console_write(struct console *co, const char *s,
static int __init amiga_savekmsg_setup(char *arg)
{
+ bool registered;
+
if (!MACH_IS_AMIGA || strcmp(arg, "mem"))
return 0;
@@ -618,14 +632,16 @@ static int __init amiga_savekmsg_setup(char *arg)
/* Just steal the block, the chipram allocator isn't functional yet */
amiga_chip_size -= SAVEKMSG_MAXMEM;
- savekmsg = (void *)ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size);
+ savekmsg = ZTWO_VADDR(CHIP_PHYSADDR + amiga_chip_size);
savekmsg->magic1 = SAVEKMSG_MAGIC1;
savekmsg->magic2 = SAVEKMSG_MAGIC2;
savekmsg->magicptr = ZTWO_PADDR(savekmsg);
savekmsg->size = 0;
+ registered = !!amiga_console_driver.write;
amiga_console_driver.write = amiga_mem_console_write;
- register_console(&amiga_console_driver);
+ if (!registered)
+ register_console(&amiga_console_driver);
return 0;
}
@@ -707,11 +723,16 @@ void amiga_serial_gets(struct console *co, char *s, int len)
static int __init amiga_debug_setup(char *arg)
{
- if (MACH_IS_AMIGA && !strcmp(arg, "ser")) {
- /* no initialization required (?) */
- amiga_console_driver.write = amiga_serial_console_write;
+ bool registered;
+
+ if (!MACH_IS_AMIGA || strcmp(arg, "ser"))
+ return 0;
+
+ /* no initialization required (?) */
+ registered = !!amiga_console_driver.write;
+ amiga_console_driver.write = amiga_serial_console_write;
+ if (!registered)
register_console(&amiga_console_driver);
- }
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 05:57:27 +0000