summaryrefslogtreecommitdiff
path: root/cpu/mips
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/mips')
-rw-r--r--cpu/mips/cache.S3
-rw-r--r--cpu/mips/config.mk1
-rw-r--r--cpu/mips/cpu.c1
-rw-r--r--cpu/mips/incaip_clock.c41
-rw-r--r--cpu/mips/incaip_wdt.S1
-rw-r--r--cpu/mips/interrupts.c1
-rw-r--r--cpu/mips/serial.c110
-rw-r--r--cpu/mips/serial.h11
-rw-r--r--cpu/mips/start.S18
9 files changed, 88 insertions, 99 deletions
diff --git a/cpu/mips/cache.S b/cpu/mips/cache.S
index 55daa89e72..01fbb2fe3e 100644
--- a/cpu/mips/cache.S
+++ b/cpu/mips/cache.S
@@ -150,7 +150,7 @@ mips_cache_reset:
sw zero, 28(a0)
addu a0, 32
bltu a0, a1, 2b
-
+
/* Set invalid tag.
*/
@@ -267,4 +267,3 @@ mips_cache_lock:
j ra
.end mips_cache_lock
-
diff --git a/cpu/mips/config.mk b/cpu/mips/config.mk
index 4ea66172d1..1664e14bc0 100644
--- a/cpu/mips/config.mk
+++ b/cpu/mips/config.mk
@@ -22,4 +22,3 @@
#
PLATFORM_CPPFLAGS += -mcpu=4kc -EB -mabicalls
-
diff --git a/cpu/mips/cpu.c b/cpu/mips/cpu.c
index e9676c1288..c27abbdd11 100644
--- a/cpu/mips/cpu.c
+++ b/cpu/mips/cpu.c
@@ -42,4 +42,3 @@ void flush_cache (ulong start_addr, ulong size)
{
}
-
diff --git a/cpu/mips/incaip_clock.c b/cpu/mips/incaip_clock.c
index 7fc6eb0351..27f0609664 100644
--- a/cpu/mips/incaip_clock.c
+++ b/cpu/mips/incaip_clock.c
@@ -25,14 +25,13 @@
#include <asm/inca-ip.h>
-
/*******************************************************************************
*
-* get_cpuclk - returns the frequency of the CPU.
+* get_cpuclk - returns the frequency of the CPU.
*
* Gets the value directly from the INCA-IP hardware.
*
-* RETURNS:
+* RETURNS:
* 150.000.000 for 150 MHz
* 130.000.000. for 130 Mhz
* 100.000.000. for 100 Mhz
@@ -55,24 +54,24 @@ uint incaip_get_cpuclk(void)
else
{
/* MUX I set to 100/133 MHz clock */
- if (*((volatile ulong*)INCA_IP_CGU_CGU_DIVCR) & 0x40)
+ if (*((volatile ulong*)INCA_IP_CGU_CGU_DIVCR) & 0x40)
{
- /* Division value is 1/3, maximum CPU operating */
- /* frequency is 133.3 MHz */
- return 130000000;
+ /* Division value is 1/3, maximum CPU operating */
+ /* frequency is 133.3 MHz */
+ return 130000000;
}
else
{
- /* Division value is 1/4, maximum CPU operating */
- /* frequency is 100 MHz */
- return 100000000;
+ /* Division value is 1/4, maximum CPU operating */
+ /* frequency is 100 MHz */
+ return 100000000;
}
}
}
/*******************************************************************************
*
-* get_fpiclk - returns the frequency of the FPI bus.
+* get_fpiclk - returns the frequency of the FPI bus.
*
* Gets the value directly from the INCA-IP hardware.
*
@@ -82,26 +81,24 @@ uint incaip_get_cpuclk(void)
* This functions should be used by the hardware driver to get the correct
* frequency of the CPU. Don't use the macros, which are set to init the CPU
* frequency in the ROM code.
-* The calculation for the
+* The calculation for the
*/
uint incaip_get_fpiclk(void)
{
uint clkCPU;
-
+
clkCPU = incaip_get_cpuclk();
-
+
switch (*((volatile ulong*)INCA_IP_CGU_CGU_DIVCR) & 0xC)
{
case 0x4:
- return clkCPU >> 1; /* devided by 2 */
- break;
+ return clkCPU >> 1; /* devided by 2 */
+ break;
case 0x8:
- return clkCPU >> 2; /* devided by 4 */
- break;
+ return clkCPU >> 2; /* devided by 4 */
+ break;
default:
- return clkCPU;
- break;
+ return clkCPU;
+ break;
}
}
-
-
diff --git a/cpu/mips/incaip_wdt.S b/cpu/mips/incaip_wdt.S
index 9455569f52..71adaa19de 100644
--- a/cpu/mips/incaip_wdt.S
+++ b/cpu/mips/incaip_wdt.S
@@ -70,4 +70,3 @@ disable_incaip_wdt:
j ra
nop
-
diff --git a/cpu/mips/interrupts.c b/cpu/mips/interrupts.c
index 0490a7661a..87f7a9f7e6 100644
--- a/cpu/mips/interrupts.c
+++ b/cpu/mips/interrupts.c
@@ -31,4 +31,3 @@ int disable_interrupts(void)
{
return 0;
}
-
diff --git a/cpu/mips/serial.c b/cpu/mips/serial.c
index b26f41d0c8..585227ad68 100644
--- a/cpu/mips/serial.c
+++ b/cpu/mips/serial.c
@@ -23,7 +23,7 @@
#define TOUT_LOOP 100000
/* Set base address for second FPI interrupt control register bank */
-#define SFPI_INTCON_BASEADDR 0xBF0F0000
+#define SFPI_INTCON_BASEADDR 0xBF0F0000
/* Register offset from base address */
#define FBS_ISR 0x00000000 /* Interrupt status register */
@@ -75,11 +75,11 @@ int serial_init (void)
/* we have to set PMU.EN13 bit to enable an ASC device*/
INCAASC_PMU_ENABLE(13);
#endif
-
+
/* and we have to set CLC register*/
CLEAR_BIT(pAsc->asc_clc, ASCCLC_DISS);
SET_BITFIELD(pAsc->asc_clc, ASCCLC_RMCMASK, ASCCLC_RMCOFFSET, 0x0001);
-
+
/* initialy we are in async mode */
pAsc->asc_con = ASCCON_M_8ASYNC;
@@ -89,13 +89,13 @@ int serial_init (void)
#ifdef ASC_FIFO_PRESENT
/* TXFIFO's filling level */
SET_BITFIELD(pAsc->asc_txfcon, ASCTXFCON_TXFITLMASK,
- ASCTXFCON_TXFITLOFF, INCAASC_TXFIFO_FL);
+ ASCTXFCON_TXFITLOFF, INCAASC_TXFIFO_FL);
/* enable TXFIFO */
SET_BIT(pAsc->asc_txfcon, ASCTXFCON_TXFEN);
/* RXFIFO's filling level */
- SET_BITFIELD(pAsc->asc_txfcon, ASCRXFCON_RXFITLMASK,
- ASCRXFCON_RXFITLOFF, INCAASC_RXFIFO_FL);
+ SET_BITFIELD(pAsc->asc_txfcon, ASCRXFCON_RXFITLMASK,
+ ASCRXFCON_RXFITLOFF, INCAASC_RXFIFO_FL);
/* enable RXFIFO */
SET_BIT(pAsc->asc_rxfcon, ASCRXFCON_RXFEN);
#endif
@@ -123,7 +123,7 @@ int serial_init (void)
/* set the options */
serial_setopt();
-
+
return 0;
}
@@ -141,25 +141,25 @@ void serial_setbrg (void)
#ifndef INCAASC_USE_FDV
fdv = 2;
uiReloadValue = (f_ASC / (fdv * 16 * CONFIG_BAUDRATE)) - 1;
-#else
+#else
fdv = INCAASC_FDV_HIGH_BAUDRATE;
uiReloadValue = (f_ASC / (8192 * CONFIG_BAUDRATE / fdv)) - 1;
#endif /* INCAASC_USE_FDV */
-
+
if ( (uiReloadValue < 0) || (uiReloadValue > 8191) )
{
#ifndef INCAASC_USE_FDV
- fdv = 3;
- uiReloadValue = (f_ASC / (fdv * 16 * CONFIG_BAUDRATE)) - 1;
-#else
- fdv = INCAASC_FDV_LOW_BAUDRATE;
- uiReloadValue = (f_ASC / (8192 * CONFIG_BAUDRATE / fdv)) - 1;
+ fdv = 3;
+ uiReloadValue = (f_ASC / (fdv * 16 * CONFIG_BAUDRATE)) - 1;
+#else
+ fdv = INCAASC_FDV_LOW_BAUDRATE;
+ uiReloadValue = (f_ASC / (8192 * CONFIG_BAUDRATE / fdv)) - 1;
#endif /* INCAASC_USE_FDV */
-
- if ( (uiReloadValue < 0) || (uiReloadValue > 8191) )
- {
- return; /* can't impossibly generate that baud rate */
- }
+
+ if ( (uiReloadValue < 0) || (uiReloadValue > 8191) )
+ {
+ return; /* can't impossibly generate that baud rate */
+ }
}
/* Disable Baud Rate Generator; BG should only be written when R=0 */
@@ -174,9 +174,9 @@ void serial_setbrg (void)
CLEAR_BIT(pAsc->asc_con, ASCCON_FDE);
if ( fdv == 2 )
- CLEAR_BIT(pAsc->asc_con, ASCCON_BRS); /* BRS = 0 */
+ CLEAR_BIT(pAsc->asc_con, ASCCON_BRS); /* BRS = 0 */
else
- SET_BIT(pAsc->asc_con, ASCCON_BRS); /* BRS = 1 */
+ SET_BIT(pAsc->asc_con, ASCCON_BRS); /* BRS = 1 */
#else /* INCAASC_USE_FDV */
@@ -217,42 +217,42 @@ static int serial_setopt (void)
{
/* 7-bit-data */
case ASCOPT_CS7:
- con = ASCCON_M_7ASYNCPAR; /* 7-bit-data and parity bit */
- break;
+ con = ASCCON_M_7ASYNCPAR; /* 7-bit-data and parity bit */
+ break;
/* 8-bit-data */
case ASCOPT_CS8:
- if ( ASC_OPTIONS & ASCOPT_PARENB )
- con = ASCCON_M_8ASYNCPAR; /* 8-bit-data and parity bit */
- else
- con = ASCCON_M_8ASYNC; /* 8-bit-data no parity */
- break;
-
- /*
+ if ( ASC_OPTIONS & ASCOPT_PARENB )
+ con = ASCCON_M_8ASYNCPAR; /* 8-bit-data and parity bit */
+ else
+ con = ASCCON_M_8ASYNC; /* 8-bit-data no parity */
+ break;
+
+ /*
* only 7 and 8-bit frames are supported
- * if we don't use IOCTL extensions
+ * if we don't use IOCTL extensions
*/
default:
- return -1;
+ return -1;
}
if ( ASC_OPTIONS & ASCOPT_STOPB )
- SET_BIT(con, ASCCON_STP); /* 2 stop bits */
+ SET_BIT(con, ASCCON_STP); /* 2 stop bits */
else
- CLEAR_BIT(con, ASCCON_STP); /* 1 stop bit */
+ CLEAR_BIT(con, ASCCON_STP); /* 1 stop bit */
if ( ASC_OPTIONS & ASCOPT_PARENB )
- SET_BIT(con, ASCCON_PEN); /* enable parity checking */
+ SET_BIT(con, ASCCON_PEN); /* enable parity checking */
else
- CLEAR_BIT(con, ASCCON_PEN); /* disable parity checking */
-
+ CLEAR_BIT(con, ASCCON_PEN); /* disable parity checking */
+
if ( ASC_OPTIONS & ASCOPT_PARODD )
- SET_BIT(con, ASCCON_ODD); /* odd parity */
+ SET_BIT(con, ASCCON_ODD); /* odd parity */
else
- CLEAR_BIT(con, ASCCON_ODD); /* even parity */
+ CLEAR_BIT(con, ASCCON_ODD); /* even parity */
if ( ASC_OPTIONS & ASCOPT_CREAD )
- SET_BIT(pAsc->asc_whbcon, ASCWHBCON_SETREN); /* Receiver enable */
+ SET_BIT(pAsc->asc_whbcon, ASCWHBCON_SETREN); /* Receiver enable */
pAsc->asc_con |= con;
@@ -293,14 +293,14 @@ void serial_putc (const char c)
#ifndef ASC_FIFO_PRESENT
*(volatile unsigned long*)(SFPI_INTCON_BASEADDR + FBS_ISR) = FBS_ISR_AB |
- FBS_ISR_AT;
+ FBS_ISR_AT;
#endif
-
+
/* check for errors */
if ( pAsc->asc_con & ASCCON_OE )
{
- SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLROE);
- return;
+ SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLROE);
+ return;
}
}
@@ -321,7 +321,7 @@ int serial_getc (void)
symbol_mask =
((ASC_OPTIONS & ASCOPT_CSIZE) == ASCOPT_CS7) ? (0x7f) : (0xff);
-
+
c = (char)(pAsc->asc_rbuf & symbol_mask);
#ifndef ASC_FIFO_PRESENT
@@ -338,30 +338,30 @@ int serial_tstc (void)
#ifdef ASC_FIFO_PRESENT
if ( (pAsc->asc_fstat & ASCFSTAT_RXFFLMASK) == 0 )
{
- res = 0;
+ res = 0;
}
#else
if (!(*(volatile unsigned long*)(SFPI_INTCON_BASEADDR + FBS_ISR) &
- FBS_ISR_AR))
-
+ FBS_ISR_AR))
+
{
- res = 0;
+ res = 0;
}
#endif
else if ( pAsc->asc_con & ASCCON_FE )
{
- SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLRFE);
- res = 0;
+ SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLRFE);
+ res = 0;
}
else if ( pAsc->asc_con & ASCCON_PE )
{
- SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLRPE);
- res = 0;
+ SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLRPE);
+ res = 0;
}
else if ( pAsc->asc_con & ASCCON_OE )
{
- SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLROE);
- res = 0;
+ SET_BIT(pAsc->asc_whbcon, ASCWHBCON_CLROE);
+ res = 0;
}
return res;
diff --git a/cpu/mips/serial.h b/cpu/mips/serial.h
index ee63360e63..7ffdcfaf8b 100644
--- a/cpu/mips/serial.h
+++ b/cpu/mips/serial.h
@@ -24,7 +24,7 @@
#ifdef INCAASC_USE_FDV
#define INCAASC_FDV_LOW_BAUDRATE 71
- #define INCAASC_FDV_HIGH_BAUDRATE 453
+ #define INCAASC_FDV_HIGH_BAUDRATE 453
#endif /*INCAASC_USE_FDV*/
@@ -41,7 +41,7 @@
#define INCAASC_IRQ_LINE_EIR 0x00040000 /* EIR - Err */
#define INCAASC_IRQ_LINE_TBIR 0x00080000 /* TBIR - Tx Buf*/
-/* interrupt controller access macros */
+/* interrupt controller access macros */
#define ASC_INTERRUPTS_ENABLE(X) \
*((volatile unsigned int*) INCA_IP_ICU_IM2_IER) |= X;
#define ASC_INTERRUPTS_DISABLE(X) \
@@ -96,9 +96,9 @@
#define ASCABCON_FCDETEN 0x0010
#define ASCABCON_EMMASK 0x0300
#define ASCABCON_EMOFF 8
- #define ASCABCON_EM_DISAB 0x0
- #define ASCABCON_EM_DURAB 0x1
- #define ASCABCON_EM_ALWAYS 0x2
+ #define ASCABCON_EM_DISAB 0x0
+ #define ASCABCON_EM_DURAB 0x1
+ #define ASCABCON_EM_ALWAYS 0x2
#define ASCABCON_TXINV 0x0400
#define ASCABCON_RXINV 0x0800
@@ -175,4 +175,3 @@ typedef struct /* incaAsc_t */
} incaAsc_t;
#endif /* __INCincaAscSioh */
-
diff --git a/cpu/mips/start.S b/cpu/mips/start.S
index b504393729..12129deed1 100644
--- a/cpu/mips/start.S
+++ b/cpu/mips/start.S
@@ -65,7 +65,7 @@ _start:
RVECENT(romReserved,14)
RVECENT(romReserved,15)
RVECENT(romReserved,16)
- RVECENT(romReserved,17)
+ RVECENT(romReserved,17)
RVECENT(romReserved,18)
RVECENT(romReserved,19)
RVECENT(romReserved,20)
@@ -111,7 +111,7 @@ _start:
RVECENT(romReserved,60)
RVECENT(romReserved,61)
RVECENT(romReserved,62)
- RVECENT(romReserved,63)
+ RVECENT(romReserved,63)
XVECENT(romExcHandle,0x200) /* bfc00200: R4000 tlbmiss vector */
RVECENT(romReserved,65)
RVECENT(romReserved,66)
@@ -127,7 +127,7 @@ _start:
RVECENT(romReserved,76)
RVECENT(romReserved,77)
RVECENT(romReserved,78)
- RVECENT(romReserved,79)
+ RVECENT(romReserved,79)
XVECENT(romExcHandle,0x280) /* bfc00280: R4000 xtlbmiss vector */
RVECENT(romReserved,81)
RVECENT(romReserved,82)
@@ -143,7 +143,7 @@ _start:
RVECENT(romReserved,92)
RVECENT(romReserved,93)
RVECENT(romReserved,94)
- RVECENT(romReserved,95)
+ RVECENT(romReserved,95)
XVECENT(romExcHandle,0x300) /* bfc00300: R4000 cache vector */
RVECENT(romReserved,97)
RVECENT(romReserved,98)
@@ -176,7 +176,7 @@ _start:
RVECENT(romReserved,125)
RVECENT(romReserved,126)
RVECENT(romReserved,127)
-
+
/* We hope there are no more reserved vectors!
* 128 * 8 == 1024 == 0x400
* so this is address R_VEC+0x400 == 0xbfc00400
@@ -237,7 +237,7 @@ reset:
nop
#endif
- /* Initialize any external memory.
+ /* Initialize any external memory.
*/
bal memsetup
nop
@@ -300,7 +300,7 @@ relocate_code:
sub gp, CFG_MONITOR_BASE
add gp, a2 /* gp now adjusted */
sub t6, gp, t6 /* t6 <-- relocation offset */
-
+
li t0, CFG_MONITOR_BASE
la t3, in_ram
lw t2, -12(t3) /* t2 <-- uboot_end_data */
@@ -363,14 +363,13 @@ in_ram:
1: addi t1, 4
bltl t1, t2, 1b
sw zero, 0(t1) /* delay slot */
-
+
move a0, a1
la t9, board_init_r
j t9
move a1, a2 /* delay slot */
.end relocate_code
-
/* Exception handlers.
@@ -380,4 +379,3 @@ romReserved:
romExcHandle:
b romExcHandle
-