diff options
Diffstat (limited to 'arch/mips/txx9/generic/setup.c')
| -rw-r--r-- | arch/mips/txx9/generic/setup.c | 71 |
1 files changed, 9 insertions, 62 deletions
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 39cd1edf9d80..03f8a3a95637 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -78,12 +78,7 @@ unsigned int txx9_master_clock; unsigned int txx9_cpu_clock; unsigned int txx9_gbus_clock; -#ifdef CONFIG_CPU_TX39XX -/* don't enable by default - see errata */ -int txx9_ccfg_toeon __initdata; -#else int txx9_ccfg_toeon __initdata = 1; -#endif #define BOARD_VEC(board) extern struct txx9_board_vec board; #include <asm/txx9/boards.h> @@ -194,53 +189,6 @@ static void __init txx9_cache_fixup(void) if (conf & TX49_CONF_DC) pr_info("TX49XX D-Cache disabled.\n"); } -#elif defined(CONFIG_CPU_TX39XX) -/* flush all cache on very early stage (before tx39_cache_init) */ -static void __init early_flush_dcache(void) -{ - unsigned int conf = read_c0_config(); - unsigned int dc_size = 1 << (10 + ((conf & TX39_CONF_DCS_MASK) >> - TX39_CONF_DCS_SHIFT)); - unsigned int linesz = 16; - unsigned long addr, end; - - end = INDEX_BASE + dc_size / 2; - /* 2way, waybit=0 */ - for (addr = INDEX_BASE; addr < end; addr += linesz) { - cache_op(Index_Writeback_Inv_D, addr | 0); - cache_op(Index_Writeback_Inv_D, addr | 1); - } -} - -static void __init txx9_cache_fixup(void) -{ - unsigned int conf; - - conf = read_c0_config(); - /* flush and disable */ - if (txx9_ic_disable) { - conf &= ~TX39_CONF_ICE; - write_c0_config(conf); - } - if (txx9_dc_disable) { - early_flush_dcache(); - conf &= ~TX39_CONF_DCE; - write_c0_config(conf); - } - - /* enable cache */ - conf = read_c0_config(); - if (!txx9_ic_disable) - conf |= TX39_CONF_ICE; - if (!txx9_dc_disable) - conf |= TX39_CONF_DCE; - write_c0_config(conf); - - if (!(conf & TX39_CONF_ICE)) - pr_info("TX39XX I-Cache disabled.\n"); - if (!(conf & TX39_CONF_DCE)) - pr_info("TX39XX D-Cache disabled.\n"); -} #else static inline void txx9_cache_fixup(void) { @@ -252,7 +200,7 @@ static void __init preprocess_cmdline(void) static char cmdline[COMMAND_LINE_SIZE] __initdata; char *s; - strcpy(cmdline, arcs_cmdline); + strscpy(cmdline, arcs_cmdline); s = cmdline; arcs_cmdline[0] = '\0'; while (s && *s) { @@ -302,9 +250,6 @@ static void __init select_board(void) } /* select "default" board */ -#ifdef CONFIG_TOSHIBA_JMR3927 - txx9_board_vec = &jmr3927_vec; -#endif #ifdef CONFIG_CPU_TX49XX switch (TX4938_REV_PCODE()) { #ifdef CONFIG_TOSHIBA_RBTX4927 @@ -325,7 +270,7 @@ void __init prom_init(void) preprocess_cmdline(); select_board(); - strcpy(txx9_system_type, txx9_board_vec->system); + strscpy(txx9_system_type, txx9_board_vec->system); txx9_board_vec->prom_init(); } @@ -658,8 +603,8 @@ static int txx9_iocled_get(struct gpio_chip *chip, unsigned int offset) return !!(data->cur_val & (1 << offset)); } -static void txx9_iocled_set(struct gpio_chip *chip, unsigned int offset, - int value) +static int txx9_iocled_set(struct gpio_chip *chip, unsigned int offset, + int value) { struct txx9_iocled_data *data = gpiochip_get_data(chip); unsigned long flags; @@ -671,6 +616,8 @@ static void txx9_iocled_set(struct gpio_chip *chip, unsigned int offset, writeb(data->cur_val, data->mmioaddr); mmiowb(); spin_unlock_irqrestore(&txx9_iocled_lock, flags); + + return 0; } static int txx9_iocled_dir_in(struct gpio_chip *chip, unsigned int offset) @@ -817,7 +764,7 @@ void __init txx9_aclc_init(unsigned long baseaddr, int irq, { } -static struct bus_type txx9_sramc_subsys = { +static const struct bus_type txx9_sramc_subsys = { .name = "txx9_sram", .dev_name = "txx9_sram", }; @@ -829,7 +776,7 @@ struct txx9_sramc_dev { }; static ssize_t txx9_sram_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, + const struct bin_attribute *bin_attr, char *buf, loff_t pos, size_t size) { struct txx9_sramc_dev *dev = bin_attr->private; @@ -844,7 +791,7 @@ static ssize_t txx9_sram_read(struct file *filp, struct kobject *kobj, } static ssize_t txx9_sram_write(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, + const struct bin_attribute *bin_attr, char *buf, loff_t pos, size_t size) { struct txx9_sramc_dev *dev = bin_attr->private; |