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Diffstat (limited to 'arch/blackfin/cpu')
-rw-r--r--arch/blackfin/cpu/initcode.c18
1 files changed, 10 insertions, 8 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');