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Diffstat (limited to 'arch/blackfin/kernel/setup.c')
-rw-r--r--arch/blackfin/kernel/setup.c90
1 files changed, 45 insertions, 45 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 88f221b89b3..8dcd76e87ed 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -39,10 +39,12 @@
#include <linux/cramfs_fs.h>
#include <linux/romfs_fs.h>
+#include <asm/cplb.h>
#include <asm/cacheflush.h>
#include <asm/blackfin.h>
#include <asm/cplbinit.h>
#include <asm/fixed_code.h>
+#include <asm/early_printk.h>
u16 _bfin_swrst;
@@ -66,21 +68,21 @@ char __initdata command_line[COMMAND_LINE_SIZE];
void __init bf53x_cache_init(void)
{
-#if defined(CONFIG_BLKFIN_DCACHE) || defined(CONFIG_BLKFIN_CACHE)
+#if defined(CONFIG_BFIN_DCACHE) || defined(CONFIG_BFIN_ICACHE)
generate_cpl_tables();
#endif
-#ifdef CONFIG_BLKFIN_CACHE
+#ifdef CONFIG_BFIN_ICACHE
bfin_icache_init();
printk(KERN_INFO "Instruction Cache Enabled\n");
#endif
-#ifdef CONFIG_BLKFIN_DCACHE
+#ifdef CONFIG_BFIN_DCACHE
bfin_dcache_init();
printk(KERN_INFO "Data Cache Enabled"
-# if defined CONFIG_BLKFIN_WB
+# if defined CONFIG_BFIN_WB
" (write-back)"
-# elif defined CONFIG_BLKFIN_WT
+# elif defined CONFIG_BFIN_WT
" (write-through)"
# endif
"\n");
@@ -156,8 +158,10 @@ static __init void parse_cmdline_early(char *cmdline_p)
1;
}
}
+ } else if (!memcmp(to, "earlyprintk=", 12)) {
+ to += 12;
+ setup_early_printk(to);
}
-
}
c = *(to++);
if (!c)
@@ -176,22 +180,36 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
+
+#if defined(CONFIG_CMDLINE_BOOL)
+ strncpy(&command_line[0], CONFIG_CMDLINE, sizeof(command_line));
+ command_line[sizeof(command_line) - 1] = 0;
+#endif
+
+ /* Keep a copy of command line */
+ *cmdline_p = &command_line[0];
+ memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
+ boot_command_line[COMMAND_LINE_SIZE - 1] = '\0';
+
+ /* setup memory defaults from the user config */
+ physical_mem_end = 0;
+ _ramend = CONFIG_MEM_SIZE * 1024 * 1024;
+
+ parse_cmdline_early(&command_line[0]);
+
cclk = get_cclk();
sclk = get_sclk();
-#if !defined(CONFIG_BFIN_KERNEL_CLOCK) && defined(ANOMALY_05000273)
- if (cclk == sclk)
+#if !defined(CONFIG_BFIN_KERNEL_CLOCK)
+ if (ANOMALY_05000273 && cclk == sclk)
panic("ANOMALY 05000273, SCLK can not be same as CCLK");
#endif
-#if defined(ANOMALY_05000266)
- bfin_read_IMDMA_D0_IRQ_STATUS();
- bfin_read_IMDMA_D1_IRQ_STATUS();
-#endif
-
-#ifdef DEBUG_SERIAL_EARLY_INIT
- bfin_console_init(); /* early console registration */
- /* this give a chance to get printk() working before crash. */
+#ifdef BF561_FAMILY
+ if (ANOMALY_05000266) {
+ bfin_read_IMDMA_D0_IRQ_STATUS();
+ bfin_read_IMDMA_D1_IRQ_STATUS();
+ }
#endif
printk(KERN_INFO "Hardware Trace ");
@@ -212,22 +230,6 @@ void __init setup_arch(char **cmdline_p)
flash_probe();
#endif
-#if defined(CONFIG_CMDLINE_BOOL)
- strncpy(&command_line[0], CONFIG_CMDLINE, sizeof(command_line));
- command_line[sizeof(command_line) - 1] = 0;
-#endif
-
- /* Keep a copy of command line */
- *cmdline_p = &command_line[0];
- memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
- boot_command_line[COMMAND_LINE_SIZE - 1] = '\0';
-
- /* setup memory defaults from the user config */
- physical_mem_end = 0;
- _ramend = CONFIG_MEM_SIZE * 1024 * 1024;
-
- parse_cmdline_early(&command_line[0]);
-
if (physical_mem_end == 0)
physical_mem_end = _ramend;
@@ -260,7 +262,7 @@ void __init setup_arch(char **cmdline_p)
&& ((unsigned long *)mtd_phys)[1] == ROMSB_WORD1)
mtd_size =
PAGE_ALIGN(be32_to_cpu(((unsigned long *)mtd_phys)[2]));
-# if (defined(CONFIG_BLKFIN_CACHE) && defined(ANOMALY_05000263))
+# if (defined(CONFIG_BFIN_ICACHE) && ANOMALY_05000263)
/* Due to a Hardware Anomaly we need to limit the size of usable
* instruction memory to max 60MB, 56 if HUNT_FOR_ZERO is on
* 05000263 - Hardware loop corrupted when taking an ICPLB exception
@@ -289,7 +291,7 @@ void __init setup_arch(char **cmdline_p)
_ebss = memory_mtd_start; /* define _ebss for compatible */
#endif /* CONFIG_MTD_UCLINUX */
-#if (defined(CONFIG_BLKFIN_CACHE) && defined(ANOMALY_05000263))
+#if (defined(CONFIG_BFIN_ICACHE) && ANOMALY_05000263)
/* Due to a Hardware Anomaly we need to limit the size of usable
* instruction memory to max 60MB, 56 if HUNT_FOR_ZERO is on
* 05000263 - Hardware loop corrupted when taking an ICPLB exception
@@ -334,13 +336,11 @@ void __init setup_arch(char **cmdline_p)
CPU, bfin_revid());
printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n");
- printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu Mhz System Clock\n",
+ printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n",
cclk / 1000000, sclk / 1000000);
-#if defined(ANOMALY_05000273)
- if ((cclk >> 1) <= sclk)
+ if (ANOMALY_05000273 && (cclk >> 1) <= sclk)
printk("\n\n\nANOMALY_05000273: CCLK must be >= 2*SCLK !!!\n\n\n");
-#endif
printk(KERN_INFO "Board Memory: %ldMB\n", physical_mem_end >> 20);
printk(KERN_INFO "Kernel Managed Memory: %ldMB\n", _ramend >> 20);
@@ -535,9 +535,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "I-CACHE:\tOFF\n");
if ((bfin_read_DMEM_CONTROL()) & (ENDCPLB | DMC_ENABLE))
seq_printf(m, "D-CACHE:\tON"
-#if defined CONFIG_BLKFIN_WB
+#if defined CONFIG_BFIN_WB
" (write-back)"
-#elif defined CONFIG_BLKFIN_WT
+#elif defined CONFIG_BFIN_WT
" (write-through)"
#endif
"\n");
@@ -566,15 +566,15 @@ static int show_cpuinfo(struct seq_file *m, void *v)
}
- seq_printf(m, "I-CACHE Size:\t%dKB\n", BLKFIN_ICACHESIZE / 1024);
+ seq_printf(m, "I-CACHE Size:\t%dKB\n", BFIN_ICACHESIZE / 1024);
seq_printf(m, "D-CACHE Size:\t%dKB\n", dcache_size);
seq_printf(m, "I-CACHE Setup:\t%d Sub-banks/%d Ways, %d Lines/Way\n",
- BLKFIN_ISUBBANKS, BLKFIN_IWAYS, BLKFIN_ILINES);
+ BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES);
seq_printf(m,
"D-CACHE Setup:\t%d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n",
- dsup_banks, BLKFIN_DSUBBANKS, BLKFIN_DWAYS,
- BLKFIN_DLINES);
-#ifdef CONFIG_BLKFIN_CACHE_LOCK
+ dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS,
+ BFIN_DLINES);
+#ifdef CONFIG_BFIN_ICACHE_LOCK
switch (read_iloc()) {
case WAY0_L:
seq_printf(m, "Way0 Locked-Down\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 20:02:32 +0000