diff options
Diffstat (limited to 'arch/mips/txx9/generic/setup_tx3927.c')
| -rw-r--r-- | arch/mips/txx9/generic/setup_tx3927.c | 37 |
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 7bd963d37fc3..9505d58454c8 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); +} |