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Diffstat (limited to 'arch/mips/txx9/generic/setup_tx3927.c')
-rw-r--r--arch/mips/txx9/generic/setup_tx3927.c37
1 files changed, 22 insertions, 15 deletions
diff --git a/arch/mips/txx9/generic/setup_tx3927.c b/arch/mips/txx9/generic/setup_tx3927.c
index 7bd963d..9505d58 100644
--- a/arch/mips/txx9/generic/setup_tx3927.c
+++ b/arch/mips/txx9/generic/setup_tx3927.c
@@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/param.h>
#include <linux/io.h>
+#include <linux/mtd/physmap.h>
#include <asm/mipsregs.h>
#include <asm/txx9irq.h>
#include <asm/txx9tmr.h>
@@ -32,11 +33,6 @@ void __init tx3927_setup(void)
int i;
unsigned int conf;
- /* don't enable - see errata */
- txx9_ccfg_toeon = 0;
- if (strstr(prom_getcmdline(), "toeon") != NULL)
- txx9_ccfg_toeon = 1;
-
txx9_reg_res_init(TX3927_REV_PCODE(), TX3927_REG_BASE,
TX3927_REG_SIZE);
@@ -99,16 +95,14 @@ void __init tx3927_setup(void)
txx9_gpio_init(TX3927_PIO_REG, 0, 16);
conf = read_c0_conf();
- if (!(conf & TX39_CONF_ICE))
- printk(KERN_INFO "TX3927 I-Cache disabled.\n");
- if (!(conf & TX39_CONF_DCE))
- printk(KERN_INFO "TX3927 D-Cache disabled.\n");
- else if (!(conf & TX39_CONF_WBON))
- printk(KERN_INFO "TX3927 D-Cache WriteThrough.\n");
- else if (!(conf & TX39_CONF_CWFON))
- printk(KERN_INFO "TX3927 D-Cache WriteBack.\n");
- else
- printk(KERN_INFO "TX3927 D-Cache WriteBack (CWF) .\n");
+ if (conf & TX39_CONF_DCE) {
+ if (!(conf & TX39_CONF_WBON))
+ pr_info("TX3927 D-Cache WriteThrough.\n");
+ else if (!(conf & TX39_CONF_CWFON))
+ pr_info("TX3927 D-Cache WriteBack.\n");
+ else
+ pr_info("TX3927 D-Cache WriteBack (CWF) .\n");
+ }
}
void __init tx3927_time_init(unsigned int evt_tmrnr, unsigned int src_tmrnr)
@@ -128,3 +122,16 @@ void __init tx3927_sio_init(unsigned int sclk, unsigned int cts_mask)
TXX9_IRQ_BASE + TX3927_IR_SIO(i),
i, sclk, (1 << i) & cts_mask);
}
+
+void __init tx3927_mtd_init(int ch)
+{
+ struct physmap_flash_data pdata = {
+ .width = TX3927_ROMC_WIDTH(ch) / 8,
+ };
+ unsigned long start = txx9_ce_res[ch].start;
+ unsigned long size = txx9_ce_res[ch].end - start + 1;
+
+ if (!(tx3927_romcptr->cr[ch] & 0x8))
+ return; /* disabled */
+ txx9_physmap_flash_init(ch, start, size, &pdata);
+}
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