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-rw-r--r--arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c1
-rw-r--r--arch/microblaze/kernel/cpu/cpuinfo-static.c1
-rw-r--r--arch/microblaze/kernel/cpu/cpuinfo.c2
-rw-r--r--arch/microblaze/kernel/cpu/mb.c3
-rw-r--r--arch/microblaze/kernel/cpu/pvr.c2
-rw-r--r--arch/microblaze/kernel/early_printk.c87
-rw-r--r--arch/microblaze/kernel/entry.S21
-rw-r--r--arch/microblaze/kernel/exceptions.c25
-rw-r--r--arch/microblaze/kernel/heartbeat.c11
-rw-r--r--arch/microblaze/kernel/intc.c14
-rw-r--r--arch/microblaze/kernel/kgdb.c7
-rw-r--r--arch/microblaze/kernel/microblaze_ksyms.c32
-rw-r--r--arch/microblaze/kernel/prom.c39
-rw-r--r--arch/microblaze/kernel/setup.c6
-rw-r--r--arch/microblaze/kernel/syscall_table.S3
-rw-r--r--arch/microblaze/kernel/timer.c41
-rw-r--r--arch/microblaze/kernel/vmlinux.lds.S5
17 files changed, 192 insertions, 108 deletions
diff --git a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
index f72dbd66c84..f70a6047f08 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
@@ -72,6 +72,7 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu)
CI(pvr_user2, USER2);
CI(mmu, USE_MMU);
+ CI(endian, ENDIAN);
CI(use_icache, USE_ICACHE);
CI(icache_tagbits, ICACHE_ADDR_TAG_BITS);
diff --git a/arch/microblaze/kernel/cpu/cpuinfo-static.c b/arch/microblaze/kernel/cpu/cpuinfo-static.c
index 6095aa6b5c8..b16b994ca3d 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo-static.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo-static.c
@@ -119,6 +119,7 @@ void __init set_cpuinfo_static(struct cpuinfo *ci, struct device_node *cpu)
ci->pvr_user2 = fcpu(cpu, "xlnx,pvr-user2");
ci->mmu = fcpu(cpu, "xlnx,use-mmu");
+ ci->endian = fcpu(cpu, "xlnx,endianness");
ci->ver_code = 0;
ci->fpga_family_code = 0;
diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c
index 255ef880351..87c79fa275c 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo.c
@@ -30,6 +30,8 @@ const struct cpu_ver_key cpu_ver_lookup[] = {
{"7.20.c", 0x0e},
{"7.20.d", 0x0f},
{"7.30.a", 0x10},
+ {"7.30.b", 0x11},
+ {"8.00.a", 0x12},
{NULL, 0},
};
diff --git a/arch/microblaze/kernel/cpu/mb.c b/arch/microblaze/kernel/cpu/mb.c
index 7086e356428..b4048af0261 100644
--- a/arch/microblaze/kernel/cpu/mb.c
+++ b/arch/microblaze/kernel/cpu/mb.c
@@ -51,11 +51,12 @@ static int show_cpuinfo(struct seq_file *m, void *v)
count = seq_printf(m,
"CPU-Family: MicroBlaze\n"
"FPGA-Arch: %s\n"
- "CPU-Ver: %s\n"
+ "CPU-Ver: %s, %s endian\n"
"CPU-MHz: %d.%02d\n"
"BogoMips: %lu.%02lu\n",
fpga_family,
cpu_ver,
+ cpuinfo.endian ? "little" : "big",
cpuinfo.cpu_clock_freq /
1000000,
cpuinfo.cpu_clock_freq %
diff --git a/arch/microblaze/kernel/cpu/pvr.c b/arch/microblaze/kernel/cpu/pvr.c
index 9bee9382bf7..e01afa68273 100644
--- a/arch/microblaze/kernel/cpu/pvr.c
+++ b/arch/microblaze/kernel/cpu/pvr.c
@@ -27,7 +27,7 @@
register unsigned tmp __asm__("r3"); \
tmp = 0x0; /* Prevent warning about unused */ \
__asm__ __volatile__ ( \
- ".byte 0x94,0x60,0xa0, " #pvrid "\n\t" \
+ "mfs %0, rpvr" #pvrid ";" \
: "=r" (tmp) : : "memory"); \
val = tmp; \
}
diff --git a/arch/microblaze/kernel/early_printk.c b/arch/microblaze/kernel/early_printk.c
index 7de84923ba0..c3616a080eb 100644
--- a/arch/microblaze/kernel/early_printk.c
+++ b/arch/microblaze/kernel/early_printk.c
@@ -24,7 +24,8 @@
static u32 early_console_initialized;
static u32 base_addr;
-static void early_printk_putc(char c)
+#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
+static void early_printk_uartlite_putc(char c)
{
/*
* Limit how many times we'll spin waiting for TX FIFO status.
@@ -45,25 +46,70 @@ static void early_printk_putc(char c)
out_be32(base_addr + 4, c & 0xff);
}
-static void early_printk_write(struct console *unused,
+static void early_printk_uartlite_write(struct console *unused,
const char *s, unsigned n)
{
while (*s && n-- > 0) {
- early_printk_putc(*s);
+ early_printk_uartlite_putc(*s);
if (*s == '\n')
- early_printk_putc('\r');
+ early_printk_uartlite_putc('\r');
s++;
}
}
-static struct console early_serial_console = {
+static struct console early_serial_uartlite_console = {
.name = "earlyser",
- .write = early_printk_write,
+ .write = early_printk_uartlite_write,
.flags = CON_PRINTBUFFER,
.index = -1,
};
+#endif /* CONFIG_SERIAL_UARTLITE_CONSOLE */
-static struct console *early_console = &early_serial_console;
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+static void early_printk_uart16550_putc(char c)
+{
+ /*
+ * Limit how many times we'll spin waiting for TX FIFO status.
+ * This will prevent lockups if the base address is incorrectly
+ * set, or any other issue on the UARTLITE.
+ * This limit is pretty arbitrary, unless we are at about 10 baud
+ * we'll never timeout on a working UART.
+ */
+
+ #define UART_LSR_TEMT 0x40 /* Transmitter empty */
+ #define UART_LSR_THRE 0x20 /* Transmit-hold-register empty */
+ #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
+
+ unsigned retries = 10000;
+
+ while (--retries &&
+ !((in_be32(base_addr + 0x14) & BOTH_EMPTY) == BOTH_EMPTY))
+ ;
+
+ if (retries)
+ out_be32(base_addr, c & 0xff);
+}
+
+static void early_printk_uart16550_write(struct console *unused,
+ const char *s, unsigned n)
+{
+ while (*s && n-- > 0) {
+ early_printk_uart16550_putc(*s);
+ if (*s == '\n')
+ early_printk_uart16550_putc('\r');
+ s++;
+ }
+}
+
+static struct console early_serial_uart16550_console = {
+ .name = "earlyser",
+ .write = early_printk_uart16550_write,
+ .flags = CON_PRINTBUFFER,
+ .index = -1,
+};
+#endif /* CONFIG_SERIAL_8250_CONSOLE */
+
+static struct console *early_console;
void early_printk(const char *fmt, ...)
{
@@ -84,20 +130,43 @@ int __init setup_early_printk(char *opt)
if (early_console_initialized)
return 1;
+#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
base_addr = early_uartlite_console();
if (base_addr) {
early_console_initialized = 1;
#ifdef CONFIG_MMU
early_console_reg_tlb_alloc(base_addr);
#endif
+ early_console = &early_serial_uartlite_console;
early_printk("early_printk_console is enabled at 0x%08x\n",
base_addr);
/* register_console(early_console); */
return 0;
- } else
- return 1;
+ }
+#endif /* CONFIG_SERIAL_UARTLITE_CONSOLE */
+
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+ base_addr = early_uart16550_console();
+ base_addr &= ~3; /* clear register offset */
+ if (base_addr) {
+ early_console_initialized = 1;
+#ifdef CONFIG_MMU
+ early_console_reg_tlb_alloc(base_addr);
+#endif
+ early_console = &early_serial_uart16550_console;
+
+ early_printk("early_printk_console is enabled at 0x%08x\n",
+ base_addr);
+
+ /* register_console(early_console); */
+
+ return 0;
+ }
+#endif /* CONFIG_SERIAL_8250_CONSOLE */
+
+ return 1;
}
void __init disable_early_printk(void)
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index 304882e5645..819238b8a42 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -186,6 +186,8 @@
swi r13, r1, PTO+PT_R13; /* Save SDA2 */ \
swi r14, r1, PTO+PT_PC; /* PC, before IRQ/trap */ \
swi r15, r1, PTO+PT_R15; /* Save LP */ \
+ swi r16, r1, PTO+PT_R16; \
+ swi r17, r1, PTO+PT_R17; \
swi r18, r1, PTO+PT_R18; /* Save asm scratch reg */ \
swi r19, r1, PTO+PT_R19; \
swi r20, r1, PTO+PT_R20; \
@@ -220,6 +222,8 @@
lwi r13, r1, PTO+PT_R13; /* restore SDA2 */ \
lwi r14, r1, PTO+PT_PC; /* RESTORE_LINK PC, before IRQ/trap */\
lwi r15, r1, PTO+PT_R15; /* restore LP */ \
+ lwi r16, r1, PTO+PT_R16; \
+ lwi r17, r1, PTO+PT_R17; \
lwi r18, r1, PTO+PT_R18; /* restore asm scratch reg */ \
lwi r19, r1, PTO+PT_R19; \
lwi r20, r1, PTO+PT_R20; \
@@ -295,6 +299,8 @@ C_ENTRY(_user_exception):
/* addik r1, r1, -STATE_SAVE_SIZE; */
addik r1, r1, THREAD_SIZE + CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START - STATE_SAVE_SIZE;
SAVE_REGS
+ swi r0, r1, PTO + PT_R3
+ swi r0, r1, PTO + PT_R4
lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP));
swi r11, r1, PTO+PT_R1; /* Store user SP. */
@@ -458,14 +464,8 @@ C_ENTRY(sys_execve):
addik r8, r1, PTO; /* add user context as 4th arg */
C_ENTRY(sys_rt_sigreturn_wrapper):
- swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
- swi r4, r1, PTO+PT_R4;
- brlid r15, sys_rt_sigreturn /* Do real work */
+ brid sys_rt_sigreturn /* Do real work */
addik r5, r1, PTO; /* add user context as 1st arg */
- lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
- lwi r4, r1, PTO+PT_R4;
- bri ret_from_trap /* fall through will not work here due to align */
- nop;
/*
* HW EXCEPTION rutine start
@@ -765,9 +765,7 @@ C_ENTRY(_debug_exception):
/* save all regs to pt_reg structure */
swi r0, r1, PTO+PT_R0; /* R0 must be saved too */
swi r14, r1, PTO+PT_R14 /* rewrite saved R14 value */
- swi r16, r1, PTO+PT_R16
swi r16, r1, PTO+PT_PC; /* PC and r16 are the same */
- swi r17, r1, PTO+PT_R17
/* save special purpose registers to pt_regs */
mfs r11, rear;
swi r11, r1, PTO+PT_EAR;
@@ -801,8 +799,6 @@ C_ENTRY(_debug_exception):
addik r1, r1, -STATE_SAVE_SIZE; /* Make room on the stack. */
SAVE_REGS;
- swi r17, r1, PTO+PT_R17;
- swi r16, r1, PTO+PT_R16;
swi r16, r1, PTO+PT_PC; /* Save LP */
swi r0, r1, PTO + PT_MODE; /* Was in user-mode. */
lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP));
@@ -848,8 +844,6 @@ dbtrap_call: /* Return point for kernel/user entry + 8 because of rtsd r15, 8 */
tophys(r1,r1);
/* MS: Restore all regs */
RESTORE_REGS
- lwi r17, r1, PTO+PT_R17;
- lwi r16, r1, PTO+PT_R16;
addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space */
lwi r1, r1, PT_R1 - PT_SIZE; /* Restore user stack pointer */
DBTRAP_return_user: /* MS: Make global symbol for debugging */
@@ -863,7 +857,6 @@ DBTRAP_return_user: /* MS: Make global symbol for debugging */
RESTORE_REGS
lwi r14, r1, PTO+PT_R14;
lwi r16, r1, PTO+PT_PC;
- lwi r17, r1, PTO+PT_R17;
addik r1, r1, STATE_SAVE_SIZE; /* MS: Clean up stack space */
tovirt(r1,r1);
DBTRAP_return_kernel: /* MS: Make global symbol for debugging */
diff --git a/arch/microblaze/kernel/exceptions.c b/arch/microblaze/kernel/exceptions.c
index b98ee8d0c1c..478f2943ede 100644
--- a/arch/microblaze/kernel/exceptions.c
+++ b/arch/microblaze/kernel/exceptions.c
@@ -72,7 +72,6 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
int fsr, int addr)
{
#ifdef CONFIG_MMU
- int code;
addr = regs->pc;
#endif
@@ -86,8 +85,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
switch (type & 0x1F) {
case MICROBLAZE_ILL_OPCODE_EXCEPTION:
if (user_mode(regs)) {
- pr_debug(KERN_WARNING "Illegal opcode exception " \
- "in user mode.\n");
+ pr_debug("Illegal opcode exception in user mode\n");
_exception(SIGILL, regs, ILL_ILLOPC, addr);
return;
}
@@ -97,8 +95,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
break;
case MICROBLAZE_IBUS_EXCEPTION:
if (user_mode(regs)) {
- pr_debug(KERN_WARNING "Instruction bus error " \
- "exception in user mode.\n");
+ pr_debug("Instruction bus error exception in user mode\n");
_exception(SIGBUS, regs, BUS_ADRERR, addr);
return;
}
@@ -108,8 +105,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
break;
case MICROBLAZE_DBUS_EXCEPTION:
if (user_mode(regs)) {
- pr_debug(KERN_WARNING "Data bus error exception " \
- "in user mode.\n");
+ pr_debug("Data bus error exception in user mode\n");
_exception(SIGBUS, regs, BUS_ADRERR, addr);
return;
}
@@ -119,8 +115,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
break;
case MICROBLAZE_DIV_ZERO_EXCEPTION:
if (user_mode(regs)) {
- pr_debug(KERN_WARNING "Divide by zero exception " \
- "in user mode\n");
+ pr_debug("Divide by zero exception in user mode\n");
_exception(SIGILL, regs, FPE_INTDIV, addr);
return;
}
@@ -129,7 +124,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
die("Divide by zero exception", regs, SIGBUS);
break;
case MICROBLAZE_FPU_EXCEPTION:
- pr_debug(KERN_WARNING "FPU exception\n");
+ pr_debug("FPU exception\n");
/* IEEE FP exception */
/* I removed fsr variable and use code var for storing fsr */
if (fsr & FSR_IO)
@@ -147,14 +142,8 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
#ifdef CONFIG_MMU
case MICROBLAZE_PRIVILEGED_EXCEPTION:
- pr_debug(KERN_WARNING "Privileged exception\n");
- /* "brk r0,r0" - used as debug breakpoint - old toolchain */
- if (get_user(code, (unsigned long *)regs->pc) == 0
- && code == 0x980c0000) {
- _exception(SIGTRAP, regs, TRAP_BRKPT, addr);
- } else {
- _exception(SIGILL, regs, ILL_PRVOPC, addr);
- }
+ pr_debug("Privileged exception\n");
+ _exception(SIGILL, regs, ILL_PRVOPC, addr);
break;
#endif
default:
diff --git a/arch/microblaze/kernel/heartbeat.c b/arch/microblaze/kernel/heartbeat.c
index 522751737cf..154756f3c69 100644
--- a/arch/microblaze/kernel/heartbeat.c
+++ b/arch/microblaze/kernel/heartbeat.c
@@ -47,11 +47,10 @@ void setup_heartbeat(void)
struct device_node *gpio = NULL;
int *prop;
int j;
- char *gpio_list[] = {
- "xlnx,xps-gpio-1.00.a",
- "xlnx,opb-gpio-1.00.a",
- NULL
- };
+ const char * const gpio_list[] = {
+ "xlnx,xps-gpio-1.00.a",
+ NULL
+ };
for (j = 0; gpio_list[j] != NULL; j++) {
gpio = of_find_compatible_node(NULL, NULL, gpio_list[j]);
@@ -60,7 +59,7 @@ void setup_heartbeat(void)
}
if (gpio) {
- base_addr = *(int *) of_get_property(gpio, "reg", NULL);
+ base_addr = be32_to_cpup(of_get_property(gpio, "reg", NULL));
base_addr = (unsigned long) ioremap(base_addr, PAGE_SIZE);
printk(KERN_NOTICE "Heartbeat GPIO at 0x%x\n", base_addr);
diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c
index 03172c1da77..d61ea33aff7 100644
--- a/arch/microblaze/kernel/intc.c
+++ b/arch/microblaze/kernel/intc.c
@@ -126,11 +126,8 @@ void __init init_IRQ(void)
0
};
#endif
- static char *intc_list[] = {
+ const char * const intc_list[] = {
"xlnx,xps-intc-1.00.a",
- "xlnx,opb-intc-1.00.c",
- "xlnx,opb-intc-1.00.b",
- "xlnx,opb-intc-1.00.a",
NULL
};
@@ -141,12 +138,15 @@ void __init init_IRQ(void)
}
BUG_ON(!intc);
- intc_baseaddr = *(int *) of_get_property(intc, "reg", NULL);
+ intc_baseaddr = be32_to_cpup(of_get_property(intc,
+ "reg", NULL));
intc_baseaddr = (unsigned long) ioremap(intc_baseaddr, PAGE_SIZE);
- nr_irq = *(int *) of_get_property(intc, "xlnx,num-intr-inputs", NULL);
+ nr_irq = be32_to_cpup(of_get_property(intc,
+ "xlnx,num-intr-inputs", NULL));
intr_type =
- *(int *) of_get_property(intc, "xlnx,kind-of-intr", NULL);
+ be32_to_cpup(of_get_property(intc,
+ "xlnx,kind-of-intr", NULL));
if (intr_type >= (1 << (nr_irq + 1)))
printk(KERN_INFO " ERROR: Mismatch in kind-of-intr param\n");
diff --git a/arch/microblaze/kernel/kgdb.c b/arch/microblaze/kernel/kgdb.c
index bfc006b7f2d..09a5e828613 100644
--- a/arch/microblaze/kernel/kgdb.c
+++ b/arch/microblaze/kernel/kgdb.c
@@ -80,7 +80,7 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
void microblaze_kgdb_break(struct pt_regs *regs)
{
if (kgdb_handle_exception(1, SIGTRAP, 0, regs) != 0)
- return 0;
+ return;
/* Jump over the first arch_kgdb_breakpoint which is barrier to
* get kgdb work. The same solution is used for powerpc */
@@ -114,7 +114,6 @@ int kgdb_arch_handle_exception(int vector, int signo, int err_code,
{
char *ptr;
unsigned long address;
- int cpu = smp_processor_id();
switch (remcom_in_buffer[0]) {
case 'c':
@@ -143,5 +142,9 @@ void kgdb_arch_exit(void)
* Global data
*/
struct kgdb_arch arch_kgdb_ops = {
+#ifdef __MICROBLAZEEL__
+ .gdb_bpt_instr = {0x18, 0x00, 0x0c, 0xba}, /* brki r16, 0x18 */
+#else
.gdb_bpt_instr = {0xba, 0x0c, 0x00, 0x18}, /* brki r16, 0x18 */
+#endif
};
diff --git a/arch/microblaze/kernel/microblaze_ksyms.c b/arch/microblaze/kernel/microblaze_ksyms.c
index ff85f771803..5cb03417400 100644
--- a/arch/microblaze/kernel/microblaze_ksyms.c
+++ b/arch/microblaze/kernel/microblaze_ksyms.c
@@ -15,37 +15,13 @@
#include <linux/syscalls.h>
#include <asm/checksum.h>
+#include <asm/cacheflush.h>
#include <linux/io.h>
#include <asm/page.h>
#include <asm/system.h>
#include <linux/ftrace.h>
#include <linux/uaccess.h>
-/*
- * libgcc functions - functions that are used internally by the
- * compiler... (prototypes are not correct though, but that
- * doesn't really matter since they're not versioned).
- */
-extern void __ashldi3(void);
-EXPORT_SYMBOL(__ashldi3);
-extern void __ashrdi3(void);
-EXPORT_SYMBOL(__ashrdi3);
-extern void __divsi3(void);
-EXPORT_SYMBOL(__divsi3);
-extern void __lshrdi3(void);
-EXPORT_SYMBOL(__lshrdi3);
-extern void __modsi3(void);
-EXPORT_SYMBOL(__modsi3);
-extern void __mulsi3(void);
-EXPORT_SYMBOL(__mulsi3);
-extern void __muldi3(void);
-EXPORT_SYMBOL(__muldi3);
-extern void __ucmpdi2(void);
-EXPORT_SYMBOL(__ucmpdi2);
-extern void __udivsi3(void);
-EXPORT_SYMBOL(__udivsi3);
-extern void __umodsi3(void);
-EXPORT_SYMBOL(__umodsi3);
extern char *_ebss;
EXPORT_SYMBOL_GPL(_ebss);
#ifdef CONFIG_FUNCTION_TRACER
@@ -63,3 +39,9 @@ EXPORT_SYMBOL(__strncpy_user);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memmove);
#endif
+
+#ifdef CONFIG_MMU
+EXPORT_SYMBOL(empty_zero_page);
+#endif
+
+EXPORT_SYMBOL(mbc);
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index bacbd3d41ec..a105301e2b7 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -72,11 +72,12 @@ static int __init early_init_dt_scan_serial(unsigned long node,
/* find compatible node with uartlite */
p = of_get_flat_dt_prop(node, "compatible", &l);
if ((strncmp(p, "xlnx,xps-uartlite", 17) != 0) &&
- (strncmp(p, "xlnx,opb-uartlite", 17) != 0))
+ (strncmp(p, "xlnx,opb-uartlite", 17) != 0) &&
+ (strncmp(p, "xlnx,axi-uartlite", 17) != 0))
return 0;
addr = of_get_flat_dt_prop(node, "reg", &l);
- return *addr; /* return address */
+ return be32_to_cpup(addr); /* return address */
}
/* this function is looking for early uartlite console - Microblaze specific */
@@ -84,6 +85,40 @@ int __init early_uartlite_console(void)
{
return of_scan_flat_dt(early_init_dt_scan_serial, NULL);
}
+
+/* MS this is Microblaze specifig function */
+static int __init early_init_dt_scan_serial_full(unsigned long node,
+ const char *uname, int depth, void *data)
+{
+ unsigned long l;
+ char *p;
+ unsigned int addr;
+
+ pr_debug("search \"chosen\", depth: %d, uname: %s\n", depth, uname);
+
+/* find all serial nodes */
+ if (strncmp(uname, "serial", 6) != 0)
+ return 0;
+
+ early_init_dt_check_for_initrd(node);
+
+/* find compatible node with uartlite */
+ p = of_get_flat_dt_prop(node, "compatible", &l);
+
+ if ((strncmp(p, "xlnx,xps-uart16550", 18) != 0) &&
+ (strncmp(p, "xlnx,axi-uart16550", 18) != 0))
+ return 0;
+
+ addr = *(u32 *)of_get_flat_dt_prop(node, "reg", &l);
+ addr += *(u32 *)of_get_flat_dt_prop(node, "reg-offset", &l);
+ return be32_to_cpu(addr); /* return address */
+}
+
+/* this function is looking for early uartlite console - Microblaze specific */
+int __init early_uart16550_console(void)
+{
+ return of_scan_flat_dt(early_init_dt_scan_serial_full, NULL);
+}
#endif
void __init early_init_devtree(void *params)
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index f5f76884235..bb1558e4b28 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -92,12 +92,6 @@ inline unsigned get_romfs_len(unsigned *addr)
}
#endif /* CONFIG_MTD_UCLINUX_EBSS */
-#if defined(CONFIG_EARLY_PRINTK) && defined(CONFIG_SERIAL_UARTLITE_CONSOLE)
-#define eprintk early_printk
-#else
-#define eprintk printk
-#endif
-
void __init machine_early_init(const char *cmdline, unsigned int ram,
unsigned int fdt, unsigned int msr)
{
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index 03376dc814c..e88a930fd1e 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -372,3 +372,6 @@ ENTRY(sys_call_table)
.long sys_rt_tgsigqueueinfo /* 365 */
.long sys_perf_event_open
.long sys_recvmmsg
+ .long sys_fanotify_init
+ .long sys_fanotify_mark
+ .long sys_prlimit64 /* 370 */
diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
index b1380ae93ae..a5aa33db1df 100644
--- a/arch/microblaze/kernel/timer.c
+++ b/arch/microblaze/kernel/timer.c
@@ -38,6 +38,9 @@ static unsigned int timer_baseaddr;
#define TIMER_BASE timer_baseaddr
#endif
+unsigned int freq_div_hz;
+unsigned int timer_clock_freq;
+
#define TCSR0 (0x00)
#define TLR0 (0x04)
#define TCR0 (0x08)
@@ -115,7 +118,7 @@ static void microblaze_timer_set_mode(enum clock_event_mode mode,
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
printk(KERN_INFO "%s: periodic\n", __func__);
- microblaze_timer0_start_periodic(cpuinfo.freq_div_hz);
+ microblaze_timer0_start_periodic(freq_div_hz);
break;
case CLOCK_EVT_MODE_ONESHOT:
printk(KERN_INFO "%s: oneshot\n", __func__);
@@ -168,7 +171,7 @@ static struct irqaction timer_irqaction = {
static __init void microblaze_clockevent_init(void)
{
clockevent_microblaze_timer.mult =
- div_sc(cpuinfo.cpu_clock_freq, NSEC_PER_SEC,
+ div_sc(timer_clock_freq, NSEC_PER_SEC,
clockevent_microblaze_timer.shift);
clockevent_microblaze_timer.max_delta_ns =
clockevent_delta2ns((u32)~0, &clockevent_microblaze_timer);
@@ -201,7 +204,7 @@ static struct cyclecounter microblaze_cc = {
int __init init_microblaze_timecounter(void)
{
- microblaze_cc.mult = div_sc(cpuinfo.cpu_clock_freq, NSEC_PER_SEC,
+ microblaze_cc.mult = div_sc(timer_clock_freq, NSEC_PER_SEC,
microblaze_cc.shift);
timecounter_init(&microblaze_tc, &microblaze_cc, sched_clock());
@@ -221,7 +224,7 @@ static struct clocksource clocksource_microblaze = {
static int __init microblaze_clocksource_init(void)
{
clocksource_microblaze.mult =
- clocksource_hz2mult(cpuinfo.cpu_clock_freq,
+ clocksource_hz2mult(timer_clock_freq,
clocksource_microblaze.shift);
if (clocksource_register(&clocksource_microblaze))
panic("failed to register clocksource");
@@ -247,6 +250,7 @@ void __init time_init(void)
u32 irq, i = 0;
u32 timer_num = 1;
struct device_node *timer = NULL;
+ const void *prop;
#ifdef CONFIG_SELFMOD_TIMER
unsigned int timer_baseaddr = 0;
int arr_func[] = {
@@ -258,12 +262,10 @@ void __init time_init(void)
0
};
#endif
- char *timer_list[] = {
- "xlnx,xps-timer-1.00.a",
- "xlnx,opb-timer-1.00.b",
- "xlnx,opb-timer-1.00.a",
- NULL
- };
+ const char * const timer_list[] = {
+ "xlnx,xps-timer-1.00.a",
+ NULL
+ };
for (i = 0; timer_list[i] != NULL; i++) {
timer = of_find_compatible_node(NULL, NULL, timer_list[i]);
@@ -272,13 +274,13 @@ void __init time_init(void)
}
BUG_ON(!timer);
- timer_baseaddr = *(int *) of_get_property(timer, "reg", NULL);
+ timer_baseaddr = be32_to_cpup(of_get_property(timer, "reg", NULL));
timer_baseaddr = (unsigned long) ioremap(timer_baseaddr, PAGE_SIZE);
- irq = *(int *) of_get_property(timer, "interrupts", NULL);
- timer_num =
- *(int *) of_get_property(timer, "xlnx,one-timer-only", NULL);
+ irq = be32_to_cpup(of_get_property(timer, "interrupts", NULL));
+ timer_num = be32_to_cpup(of_get_property(timer,
+ "xlnx,one-timer-only", NULL));
if (timer_num) {
- printk(KERN_EMERG "Please enable two timers in HW\n");
+ eprintk(KERN_EMERG "Please enable two timers in HW\n");
BUG();
}
@@ -288,7 +290,14 @@ void __init time_init(void)
printk(KERN_INFO "%s #0 at 0x%08x, irq=%d\n",
timer_list[i], timer_baseaddr, irq);
- cpuinfo.freq_div_hz = cpuinfo.cpu_clock_freq / HZ;
+ /* If there is clock-frequency property than use it */
+ prop = of_get_property(timer, "clock-frequency", NULL);
+ if (prop)
+ timer_clock_freq = be32_to_cpup(prop);
+ else
+ timer_clock_freq = cpuinfo.cpu_clock_freq;
+
+ freq_div_hz = timer_clock_freq / HZ;
setup_irq(irq, &timer_irqaction);
#ifdef CONFIG_HEART_BEAT
diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S
index a09f2962fbe..96a88c31fe4 100644
--- a/arch/microblaze/kernel/vmlinux.lds.S
+++ b/arch/microblaze/kernel/vmlinux.lds.S
@@ -8,7 +8,6 @@
* for more details.
*/
-OUTPUT_FORMAT("elf32-microblaze", "elf32-microblaze", "elf32-microblaze")
OUTPUT_ARCH(microblaze)
ENTRY(microblaze_start)
@@ -16,7 +15,11 @@ ENTRY(microblaze_start)
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>
+#ifdef __MICROBLAZEEL__
+jiffies = jiffies_64;
+#else
jiffies = jiffies_64 + 4;
+#endif
SECTIONS {
. = CONFIG_KERNEL_START;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 10:28:34 +0000