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Diffstat (limited to 'arch/mips/txx9/generic/setup.c')
-rw-r--r--arch/mips/txx9/generic/setup.c135
1 files changed, 10 insertions, 125 deletions
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 70a1ab66d252..03f8a3a95637 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -26,13 +26,13 @@
#include <linux/leds.h>
#include <linux/device.h>
#include <linux/slab.h>
+#include <linux/io.h>
#include <linux/irq.h>
#include <asm/bootinfo.h>
#include <asm/idle.h>
#include <asm/time.h>
#include <asm/reboot.h>
#include <asm/r4kcache.h>
-#include <asm/sections.h>
#include <asm/setup.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/pci.h>
@@ -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
@@ -315,16 +260,6 @@ static void __init select_board(void)
txx9_board_vec = &rbtx4937_vec;
break;
#endif
-#ifdef CONFIG_TOSHIBA_RBTX4938
- case 0x4938:
- txx9_board_vec = &rbtx4938_vec;
- break;
-#endif
-#ifdef CONFIG_TOSHIBA_RBTX4939
- case 0x4939:
- txx9_board_vec = &rbtx4939_vec;
- break;
-#endif
}
#endif
}
@@ -335,20 +270,11 @@ 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();
}
-void __init prom_free_prom_memory(void)
-{
- unsigned long saddr = PAGE_SIZE;
- unsigned long eaddr = __pa_symbol(&_text);
-
- if (saddr < eaddr)
- free_init_pages("prom memory", saddr, eaddr);
-}
-
const char *get_system_type(void)
{
return txx9_system_type;
@@ -599,21 +525,6 @@ unsigned long (*__swizzle_addr_b)(unsigned long port) = __swizzle_addr_none;
EXPORT_SYMBOL(__swizzle_addr_b);
#endif
-#ifdef NEEDS_TXX9_IOSWABW
-static u16 ioswabw_default(volatile u16 *a, u16 x)
-{
- return le16_to_cpu(x);
-}
-static u16 __mem_ioswabw_default(volatile u16 *a, u16 x)
-{
- return x;
-}
-u16 (*ioswabw)(volatile u16 *a, u16 x) = ioswabw_default;
-EXPORT_SYMBOL(ioswabw);
-u16 (*__mem_ioswabw)(volatile u16 *a, u16 x) = __mem_ioswabw_default;
-EXPORT_SYMBOL(__mem_ioswabw);
-#endif
-
void __init txx9_physmap_flash_init(int no, unsigned long addr,
unsigned long size,
const struct physmap_flash_data *pdata)
@@ -692,8 +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;
@@ -705,6 +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)
@@ -849,37 +762,9 @@ void __init txx9_aclc_init(unsigned long baseaddr, int irq,
unsigned int dma_chan_out,
unsigned int dma_chan_in)
{
-#if IS_ENABLED(CONFIG_SND_SOC_TXX9ACLC)
- unsigned int dma_base = dmac_id * TXX9_DMA_MAX_NR_CHANNELS;
- struct resource res[] = {
- {
- .start = baseaddr,
- .end = baseaddr + 0x100 - 1,
- .flags = IORESOURCE_MEM,
- }, {
- .start = irq,
- .flags = IORESOURCE_IRQ,
- }, {
- .name = "txx9dmac-chan",
- .start = dma_base + dma_chan_out,
- .flags = IORESOURCE_DMA,
- }, {
- .name = "txx9dmac-chan",
- .start = dma_base + dma_chan_in,
- .flags = IORESOURCE_DMA,
- }
- };
- struct platform_device *pdev =
- platform_device_alloc("txx9aclc-ac97", -1);
-
- if (!pdev ||
- platform_device_add_resources(pdev, res, ARRAY_SIZE(res)) ||
- platform_device_add(pdev))
- platform_device_put(pdev);
-#endif
}
-static struct bus_type txx9_sramc_subsys = {
+static const struct bus_type txx9_sramc_subsys = {
.name = "txx9_sram",
.dev_name = "txx9_sram",
};
@@ -891,7 +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;
@@ -906,7 +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;
generated by cgit (git 2.34.1) at 2025-12-25 00:20:31 +0000