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-rw-r--r--arch/blackfin/cpu/initcode.c18
-rw-r--r--arch/blackfin/include/asm/blackfin_local.h7
2 files changed, 15 insertions, 10 deletions
diff --git a/arch/blackfin/cpu/initcode.c b/arch/blackfin/cpu/initcode.c
index ffaf101..2e640af 100644
--- a/arch/blackfin/cpu/initcode.c
+++ b/arch/blackfin/cpu/initcode.c
@@ -18,8 +18,6 @@
#include <asm/mach-common/bits/core.h>
#include <asm/serial.h>
-#define BUG() while (1) asm volatile("emuexcpt;");
-
#ifndef __ADSPBF60x__
#include <asm/mach-common/bits/ebiu.h>
#include <asm/mach-common/bits/pll.h>
@@ -147,8 +145,6 @@ static struct ddr_config ddr_config_table[] = {
__attribute__((always_inline))
static inline void serial_init(void)
{
- uint32_t uart_base = UART_BASE;
-
#if defined(__ADSPBF54x__) || defined(__ADSPBF60x__)
# ifdef BFIN_BOOT_UART_USE_RTS
# define BFIN_UART_USE_RTS 1
@@ -156,6 +152,7 @@ static inline void serial_init(void)
# define BFIN_UART_USE_RTS 0
# endif
if (BFIN_UART_USE_RTS && CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_UART) {
+ uint32_t uart_base = UART_BASE;
size_t i;
/* force RTS rather than relying on auto RTS */
@@ -195,8 +192,8 @@ static inline void serial_init(void)
#if CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_BYPASS
if (BFIN_DEBUG_EARLY_SERIAL) {
- serial_early_init(uart_base);
- serial_early_set_baud(uart_base, CONFIG_BAUDRATE);
+ serial_early_init(UART_BASE);
+ serial_early_set_baud(UART_BASE, CONFIG_BAUDRATE);
}
#endif
}
@@ -547,7 +544,7 @@ maybe_self_refresh(ADI_BOOT_DATA *bs)
__attribute__((always_inline)) static inline u16
program_clocks(ADI_BOOT_DATA *bs, bool put_into_srfs)
{
- u16 vr_ctl;
+ u16 vr_ctl = 0;
serial_putc('a');
@@ -731,6 +728,8 @@ update_serial_clocks(ADI_BOOT_DATA *bs, uint sdivB, uint divB, uint vcoB)
serial_putc('a');
+ if (BFIN_DEBUG_EARLY_SERIAL ||
+ CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_UART) {
#ifdef __ADSPBF60x__
sdivR = bfin_read_CGU_DIV();
sdivR = ((sdivR >> 8) & 0x1f) * ((sdivR >> 5) & 0x7);
@@ -744,6 +743,8 @@ update_serial_clocks(ADI_BOOT_DATA *bs, uint sdivB, uint divB, uint vcoB)
divisor = vcoB * sdivR;
quotient = early_division(dividend, divisor);
serial_early_put_div(quotient - ANOMALY_05000230);
+ }
+
serial_putc('c');
}
@@ -913,7 +914,8 @@ check_hibernation(ADI_BOOT_DATA *bs, u16 vr_ctl, bool put_into_srfs)
continue;
serial_putc('z');
- uint32_t *hibernate_magic = bfin_read32(DPM0_RESTORE4);
+ uint32_t *hibernate_magic =
+ (uint32_t *)bfin_read32(DPM0_RESTORE4);
SSYNC(); /* make sure memory controller is done */
if (hibernate_magic[0] == 0xDEADBEEF) {
serial_putc('c');
diff --git a/arch/blackfin/include/asm/blackfin_local.h b/arch/blackfin/include/asm/blackfin_local.h
index 8ea8cde..4d6eeab 100644
--- a/arch/blackfin/include/asm/blackfin_local.h
+++ b/arch/blackfin/include/asm/blackfin_local.h
@@ -81,6 +81,8 @@ extern void blackfin_dcache_flush_invalidate_range(const void *, const void *);
# define NOP_PAD_ANOMALY_05000198
#endif
+#define BFIN_BUG() while (1) asm volatile("emuexcpt;");
+
#define _bfin_readX(addr, size, asm_size, asm_ext) ({ \
u32 __v; \
__asm__ __volatile__( \
@@ -111,7 +113,7 @@ extern void blackfin_dcache_flush_invalidate_range(const void *, const void *);
sizeof(*(addr)) == 1 ? bfin_read8(addr) : \
sizeof(*(addr)) == 2 ? bfin_read16(addr) : \
sizeof(*(addr)) == 4 ? bfin_read32(addr) : \
- ({ BUG(); 0; }); \
+ ({ BFIN_BUG(); 0; }); \
})
#define bfin_write(addr, val) \
do { \
@@ -119,7 +121,8 @@ do { \
case 1: bfin_write8(addr, val); break; \
case 2: bfin_write16(addr, val); break; \
case 4: bfin_write32(addr, val); break; \
- default: BUG(); \
+ default: \
+ BFIN_BUG(); \
} \
} while (0)