aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/sibyte/swarm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/sibyte/swarm')
-rw-r--r--arch/mips/sibyte/swarm/rtc_m41t81.c47
-rw-r--r--arch/mips/sibyte/swarm/rtc_xicor1241.c42
-rw-r--r--arch/mips/sibyte/swarm/setup.c41
-rw-r--r--arch/mips/sibyte/swarm/time.c44
4 files changed, 95 insertions, 79 deletions
diff --git a/arch/mips/sibyte/swarm/rtc_m41t81.c b/arch/mips/sibyte/swarm/rtc_m41t81.c
index a686bb716ec6..5b4fc26c1b36 100644
--- a/arch/mips/sibyte/swarm/rtc_m41t81.c
+++ b/arch/mips/sibyte/swarm/rtc_m41t81.c
@@ -82,59 +82,60 @@
#define M41T81REG_SQW 0x13 /* square wave register */
#define M41T81_CCR_ADDRESS 0x68
-#define SMB_CSR(reg) ((u8 *) (IOADDR(A_SMB_REGISTER(1, reg))))
+
+#define SMB_CSR(reg) IOADDR(A_SMB_REGISTER(1, reg))
static int m41t81_read(uint8_t addr)
{
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- bus_writeq(addr & 0xff, SMB_CSR(R_SMB_CMD));
- bus_writeq((V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_WR1BYTE),
- SMB_CSR(R_SMB_START));
+ __raw_writeq(addr & 0xff, SMB_CSR(R_SMB_CMD));
+ __raw_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_WR1BYTE,
+ SMB_CSR(R_SMB_START));
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- bus_writeq((V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_RD1BYTE),
- SMB_CSR(R_SMB_START));
+ __raw_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
+ SMB_CSR(R_SMB_START));
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
+ if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */
- bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
+ __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1;
}
- return (bus_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
+ return (__raw_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
}
static int m41t81_write(uint8_t addr, int b)
{
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- bus_writeq((addr & 0xFF), SMB_CSR(R_SMB_CMD));
- bus_writeq((b & 0xff), SMB_CSR(R_SMB_DATA));
- bus_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_WR2BYTE,
- SMB_CSR(R_SMB_START));
+ __raw_writeq(addr & 0xff, SMB_CSR(R_SMB_CMD));
+ __raw_writeq(b & 0xff, SMB_CSR(R_SMB_DATA));
+ __raw_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_WR2BYTE,
+ SMB_CSR(R_SMB_START));
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
+ if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */
- bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
+ __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1;
}
/* read the same byte again to make sure it is written */
- bus_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
- SMB_CSR(R_SMB_START));
+ __raw_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
+ SMB_CSR(R_SMB_START));
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
return 0;
diff --git a/arch/mips/sibyte/swarm/rtc_xicor1241.c b/arch/mips/sibyte/swarm/rtc_xicor1241.c
index 981d21f16e64..d9ff9323f24e 100644
--- a/arch/mips/sibyte/swarm/rtc_xicor1241.c
+++ b/arch/mips/sibyte/swarm/rtc_xicor1241.c
@@ -57,52 +57,52 @@
#define X1241_CCR_ADDRESS 0x6F
-#define SMB_CSR(reg) ((u8 *) (IOADDR(A_SMB_REGISTER(1, reg))))
+#define SMB_CSR(reg) IOADDR(A_SMB_REGISTER(1, reg))
static int xicor_read(uint8_t addr)
{
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- bus_writeq((addr >> 8) & 0x7, SMB_CSR(R_SMB_CMD));
- bus_writeq((addr & 0xff), SMB_CSR(R_SMB_DATA));
- bus_writeq((V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR2BYTE),
- SMB_CSR(R_SMB_START));
+ __raw_writeq((addr >> 8) & 0x7, SMB_CSR(R_SMB_CMD));
+ __raw_writeq(addr & 0xff, SMB_CSR(R_SMB_DATA));
+ __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR2BYTE,
+ SMB_CSR(R_SMB_START));
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- bus_writeq((V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_RD1BYTE),
- SMB_CSR(R_SMB_START));
+ __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
+ SMB_CSR(R_SMB_START));
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
+ if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */
- bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
+ __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1;
}
- return (bus_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
+ return (__raw_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
}
static int xicor_write(uint8_t addr, int b)
{
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- bus_writeq(addr, SMB_CSR(R_SMB_CMD));
- bus_writeq((addr & 0xff) | ((b & 0xff) << 8), SMB_CSR(R_SMB_DATA));
- bus_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR3BYTE,
- SMB_CSR(R_SMB_START));
+ __raw_writeq(addr, SMB_CSR(R_SMB_CMD));
+ __raw_writeq((addr & 0xff) | ((b & 0xff) << 8), SMB_CSR(R_SMB_DATA));
+ __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR3BYTE,
+ SMB_CSR(R_SMB_START));
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
+ if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */
- bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
+ __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1;
} else {
return 0;
diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c
index 4daeaa413def..b614ca0ddb69 100644
--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2000, 2001, 2002, 2003 Broadcom Corporation
+ * Copyright (C) 2000, 2001, 2002, 2003, 2004 Broadcom Corporation
* Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
*
* This program is free software; you can redistribute it and/or
@@ -39,11 +39,23 @@
#include <asm/time.h>
#include <asm/traps.h>
#include <asm/sibyte/sb1250.h>
+#if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80)
+#include <asm/sibyte/bcm1480_regs.h>
+#elif defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X)
#include <asm/sibyte/sb1250_regs.h>
+#else
+#error invalid SiByte board configuation
+#endif
#include <asm/sibyte/sb1250_genbus.h>
#include <asm/sibyte/board.h>
+#if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80)
+extern void bcm1480_setup(void);
+#elif defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X)
extern void sb1250_setup(void);
+#else
+#error invalid SiByte board configuation
+#endif
extern int xicor_probe(void);
extern int xicor_set_time(unsigned long);
@@ -66,27 +78,34 @@ void __init swarm_timer_setup(struct irqaction *irq)
*/
/* We only need to setup the generic timer */
- sb1250_time_init();
+#if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80)
+ bcm1480_time_init();
+#elif defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X)
+ sb1250_time_init();
+#else
+#error invalid SiByte board configuation
+#endif
}
int swarm_be_handler(struct pt_regs *regs, int is_fixup)
{
if (!is_fixup && (regs->cp0_cause & 4)) {
/* Data bus error - print PA */
-#ifdef CONFIG_64BIT
- printk("DBE physical address: %010lx\n",
+ printk("DBE physical address: %010Lx\n",
__read_64bit_c0_register($26, 1));
-#else
- printk("DBE physical address: %010llx\n",
- __read_64bit_c0_split($26, 1));
-#endif
}
return (is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL);
}
-static int __init swarm_setup(void)
+void __init plat_setup(void)
{
+#if defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80)
+ bcm1480_setup();
+#elif defined(CONFIG_SIBYTE_SB1250) || defined(CONFIG_SIBYTE_BCM112X)
sb1250_setup();
+#else
+#error invalid SiByte board configuation
+#endif
panic_timeout = 5; /* For debug. */
@@ -133,12 +152,8 @@ static int __init swarm_setup(void)
};
/* XXXKW for CFE, get lines/cols from environment */
#endif
-
- return 0;
}
-early_initcall(swarm_setup);
-
#ifdef LEDS_PHYS
#ifdef CONFIG_SIBYTE_CARMEL
diff --git a/arch/mips/sibyte/swarm/time.c b/arch/mips/sibyte/swarm/time.c
index c1f1a9defeeb..97c73c793c35 100644
--- a/arch/mips/sibyte/swarm/time.c
+++ b/arch/mips/sibyte/swarm/time.c
@@ -79,48 +79,48 @@ static unsigned int usec_bias = 0;
static int xicor_read(uint8_t addr)
{
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- bus_writeq((addr >> 8) & 0x7, SMB_CSR(R_SMB_CMD));
- bus_writeq((addr & 0xff), SMB_CSR(R_SMB_DATA));
- bus_writeq((V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR2BYTE),
- SMB_CSR(R_SMB_START));
+ __raw_writeq((addr >> 8) & 0x7, SMB_CSR(R_SMB_CMD));
+ __raw_writeq(addr & 0xff, SMB_CSR(R_SMB_DATA));
+ __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR2BYTE,
+ SMB_CSR(R_SMB_START));
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- bus_writeq((V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_RD1BYTE),
- SMB_CSR(R_SMB_START));
+ __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
+ SMB_CSR(R_SMB_START));
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
+ if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */
- bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
+ __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1;
}
- return (bus_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
+ return (__raw_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
}
static int xicor_write(uint8_t addr, int b)
{
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- bus_writeq(addr, SMB_CSR(R_SMB_CMD));
- bus_writeq((addr & 0xff) | ((b & 0xff) << 8), SMB_CSR(R_SMB_DATA));
- bus_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR3BYTE,
- SMB_CSR(R_SMB_START));
+ __raw_writeq(addr, SMB_CSR(R_SMB_CMD));
+ __raw_writeq((addr & 0xff) | ((b & 0xff) << 8), SMB_CSR(R_SMB_DATA));
+ __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR3BYTE,
+ SMB_CSR(R_SMB_START));
- while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
;
- if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
+ if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */
- bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
+ __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1;
} else {
return 0;
@@ -228,8 +228,8 @@ void __init swarm_time_init(void)
/* Establish communication with the Xicor 1241 RTC */
/* XXXKW how do I share the SMBus with the I2C subsystem? */
- bus_writeq(K_SMB_FREQ_400KHZ, SMB_CSR(R_SMB_FREQ));
- bus_writeq(0, SMB_CSR(R_SMB_CONTROL));
+ __raw_writeq(K_SMB_FREQ_400KHZ, SMB_CSR(R_SMB_FREQ));
+ __raw_writeq(0, SMB_CSR(R_SMB_CONTROL));
if ((status = xicor_read(X1241REG_SR_RTCF)) < 0) {
printk("x1241: couldn't detect on SWARM SMBus 1\n");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.