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-rw-r--r--arch/mips/sibyte/swarm/Makefile4
-rw-r--r--arch/mips/sibyte/swarm/dbg_io.c76
-rw-r--r--arch/mips/sibyte/swarm/platform.c139
-rw-r--r--arch/mips/sibyte/swarm/rtc_m41t81.c26
-rw-r--r--arch/mips/sibyte/swarm/rtc_xicor1241.c76
-rw-r--r--arch/mips/sibyte/swarm/setup.c56
-rw-r--r--arch/mips/sibyte/swarm/swarm-i2c.c2
7 files changed, 215 insertions, 164 deletions
diff --git a/arch/mips/sibyte/swarm/Makefile b/arch/mips/sibyte/swarm/Makefile
index 255d692bfa1..7b45f199d92 100644
--- a/arch/mips/sibyte/swarm/Makefile
+++ b/arch/mips/sibyte/swarm/Makefile
@@ -1,4 +1,4 @@
-obj-y := setup.o rtc_xicor1241.o rtc_m41t81.o
+obj-y := platform.o setup.o rtc_xicor1241.o \
+ rtc_m41t81.o
obj-$(CONFIG_I2C_BOARDINFO) += swarm-i2c.o
-obj-$(CONFIG_KGDB) += dbg_io.o
diff --git a/arch/mips/sibyte/swarm/dbg_io.c b/arch/mips/sibyte/swarm/dbg_io.c
deleted file mode 100644
index b97ae304848..00000000000
--- a/arch/mips/sibyte/swarm/dbg_io.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * kgdb debug routines for SiByte boards.
- *
- * Copyright (C) 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-
-/* -------------------- BEGINNING OF CONFIG --------------------- */
-
-#include <linux/delay.h>
-#include <asm/io.h>
-#include <asm/sibyte/sb1250.h>
-#include <asm/sibyte/sb1250_regs.h>
-#include <asm/sibyte/sb1250_uart.h>
-#include <asm/sibyte/sb1250_int.h>
-#include <asm/addrspace.h>
-
-/*
- * We use the second serial port for kgdb traffic.
- * 115200, 8, N, 1.
- */
-
-#define BAUD_RATE 115200
-#define CLK_DIVISOR V_DUART_BAUD_RATE(BAUD_RATE)
-#define DATA_BITS V_DUART_BITS_PER_CHAR_8 /* or 7 */
-#define PARITY V_DUART_PARITY_MODE_NONE /* or even */
-#define STOP_BITS M_DUART_STOP_BIT_LEN_1 /* or 2 */
-
-static int duart_initialized = 0; /* 0: need to be init'ed by kgdb */
-
-/* -------------------- END OF CONFIG --------------------- */
-extern int kgdb_port;
-
-#define duart_out(reg, val) csr_out32(val, IOADDR(A_DUART_CHANREG(kgdb_port, reg)))
-#define duart_in(reg) csr_in32(IOADDR(A_DUART_CHANREG(kgdb_port, reg)))
-
-void putDebugChar(unsigned char c);
-unsigned char getDebugChar(void);
-static void
-duart_init(int clk_divisor, int data, int parity, int stop)
-{
- duart_out(R_DUART_MODE_REG_1, data | parity);
- duart_out(R_DUART_MODE_REG_2, stop);
- duart_out(R_DUART_CLK_SEL, clk_divisor);
-
- duart_out(R_DUART_CMD, M_DUART_RX_EN | M_DUART_TX_EN); /* enable rx and tx */
-}
-
-void
-putDebugChar(unsigned char c)
-{
- if (!duart_initialized) {
- duart_initialized = 1;
- duart_init(CLK_DIVISOR, DATA_BITS, PARITY, STOP_BITS);
- }
- while ((duart_in(R_DUART_STATUS) & M_DUART_TX_RDY) == 0);
- duart_out(R_DUART_TX_HOLD, c);
-}
-
-unsigned char
-getDebugChar(void)
-{
- if (!duart_initialized) {
- duart_initialized = 1;
- duart_init(CLK_DIVISOR, DATA_BITS, PARITY, STOP_BITS);
- }
- while ((duart_in(R_DUART_STATUS) & M_DUART_RX_RDY) == 0) ;
- return duart_in(R_DUART_RX_HOLD);
-}
-
diff --git a/arch/mips/sibyte/swarm/platform.c b/arch/mips/sibyte/swarm/platform.c
new file mode 100644
index 00000000000..9480c14ec66
--- /dev/null
+++ b/arch/mips/sibyte/swarm/platform.c
@@ -0,0 +1,139 @@
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+
+#include <asm/sibyte/board.h>
+#include <asm/sibyte/sb1250_genbus.h>
+#include <asm/sibyte/sb1250_regs.h>
+
+#if defined(CONFIG_SIBYTE_SWARM) || defined(CONFIG_SIBYTE_LITTLESUR)
+
+#define DRV_NAME "pata-swarm"
+
+#define SWARM_IDE_SHIFT 5
+#define SWARM_IDE_BASE 0x1f0
+#define SWARM_IDE_CTRL 0x3f6
+
+static struct resource swarm_pata_resource[] = {
+ {
+ .name = "Swarm GenBus IDE",
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "Swarm GenBus IDE",
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "Swarm GenBus IDE",
+ .flags = IORESOURCE_IRQ,
+ .start = K_INT_GB_IDE,
+ .end = K_INT_GB_IDE,
+ },
+};
+
+static struct pata_platform_info pata_platform_data = {
+ .ioport_shift = SWARM_IDE_SHIFT,
+};
+
+static struct platform_device swarm_pata_device = {
+ .name = "pata_platform",
+ .id = -1,
+ .resource = swarm_pata_resource,
+ .num_resources = ARRAY_SIZE(swarm_pata_resource),
+ .dev = {
+ .platform_data = &pata_platform_data,
+ .coherent_dma_mask = ~0, /* grumble */
+ },
+};
+
+static int __init swarm_pata_init(void)
+{
+ u8 __iomem *base;
+ phys_t offset, size;
+ struct resource *r;
+
+ if (!SIBYTE_HAVE_IDE)
+ return -ENODEV;
+
+ base = ioremap(A_IO_EXT_BASE, 0x800);
+ offset = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_START_ADDR, IDE_CS));
+ size = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_MULT_SIZE, IDE_CS));
+ iounmap(base);
+
+ offset = G_IO_START_ADDR(offset) << S_IO_ADDRBASE;
+ size = (G_IO_MULT_SIZE(size) + 1) << S_IO_REGSIZE;
+ if (offset < A_PHYS_GENBUS || offset >= A_PHYS_GENBUS_END) {
+ pr_info(DRV_NAME ": PATA interface at GenBus disabled\n");
+
+ return -EBUSY;
+ }
+
+ pr_info(DRV_NAME ": PATA interface at GenBus slot %i\n", IDE_CS);
+
+ r = swarm_pata_resource;
+ r[0].start = offset + (SWARM_IDE_BASE << SWARM_IDE_SHIFT);
+ r[0].end = offset + ((SWARM_IDE_BASE + 8) << SWARM_IDE_SHIFT) - 1;
+ r[1].start = offset + (SWARM_IDE_CTRL << SWARM_IDE_SHIFT);
+ r[1].end = offset + ((SWARM_IDE_CTRL + 1) << SWARM_IDE_SHIFT) - 1;
+
+ return platform_device_register(&swarm_pata_device);
+}
+
+device_initcall(swarm_pata_init);
+
+#endif /* defined(CONFIG_SIBYTE_SWARM) || defined(CONFIG_SIBYTE_LITTLESUR) */
+
+#define sb1250_dev_struct(num) \
+ static struct resource sb1250_res##num = { \
+ .name = "SB1250 MAC " __stringify(num), \
+ .flags = IORESOURCE_MEM, \
+ .start = A_MAC_CHANNEL_BASE(num), \
+ .end = A_MAC_CHANNEL_BASE(num + 1) -1, \
+ };\
+ static struct platform_device sb1250_dev##num = { \
+ .name = "sb1250-mac", \
+ .id = num, \
+ .resource = &sb1250_res##num, \
+ .num_resources = 1, \
+ }
+
+sb1250_dev_struct(0);
+sb1250_dev_struct(1);
+sb1250_dev_struct(2);
+sb1250_dev_struct(3);
+
+static struct platform_device *sb1250_devs[] __initdata = {
+ &sb1250_dev0,
+ &sb1250_dev1,
+ &sb1250_dev2,
+ &sb1250_dev3,
+};
+
+static int __init sb1250_device_init(void)
+{
+ int ret;
+
+ /* Set the number of available units based on the SOC type. */
+ switch (soc_type) {
+ case K_SYS_SOC_TYPE_BCM1250:
+ case K_SYS_SOC_TYPE_BCM1250_ALT:
+ ret = platform_add_devices(sb1250_devs, 3);
+ break;
+ case K_SYS_SOC_TYPE_BCM1120:
+ case K_SYS_SOC_TYPE_BCM1125:
+ case K_SYS_SOC_TYPE_BCM1125H:
+ case K_SYS_SOC_TYPE_BCM1250_ALT2: /* Hybrid */
+ ret = platform_add_devices(sb1250_devs, 2);
+ break;
+ case K_SYS_SOC_TYPE_BCM1x55:
+ case K_SYS_SOC_TYPE_BCM1x80:
+ ret = platform_add_devices(sb1250_devs, 4);
+ break;
+ default:
+ ret = -ENODEV;
+ break;
+ }
+ return ret;
+}
+device_initcall(sb1250_device_init);
diff --git a/arch/mips/sibyte/swarm/rtc_m41t81.c b/arch/mips/sibyte/swarm/rtc_m41t81.c
index 26fbff4c15b..b732600b47f 100644
--- a/arch/mips/sibyte/swarm/rtc_m41t81.c
+++ b/arch/mips/sibyte/swarm/rtc_m41t81.c
@@ -156,32 +156,32 @@ int m41t81_set_time(unsigned long t)
*/
spin_lock_irqsave(&rtc_lock, flags);
- tm.tm_sec = BIN2BCD(tm.tm_sec);
+ tm.tm_sec = bin2bcd(tm.tm_sec);
m41t81_write(M41T81REG_SC, tm.tm_sec);
- tm.tm_min = BIN2BCD(tm.tm_min);
+ tm.tm_min = bin2bcd(tm.tm_min);
m41t81_write(M41T81REG_MN, tm.tm_min);
- tm.tm_hour = BIN2BCD(tm.tm_hour);
+ tm.tm_hour = bin2bcd(tm.tm_hour);
tm.tm_hour = (tm.tm_hour & 0x3f) | (m41t81_read(M41T81REG_HR) & 0xc0);
m41t81_write(M41T81REG_HR, tm.tm_hour);
/* tm_wday starts from 0 to 6 */
if (tm.tm_wday == 0) tm.tm_wday = 7;
- tm.tm_wday = BIN2BCD(tm.tm_wday);
+ tm.tm_wday = bin2bcd(tm.tm_wday);
m41t81_write(M41T81REG_DY, tm.tm_wday);
- tm.tm_mday = BIN2BCD(tm.tm_mday);
+ tm.tm_mday = bin2bcd(tm.tm_mday);
m41t81_write(M41T81REG_DT, tm.tm_mday);
/* tm_mon starts from 0, *ick* */
tm.tm_mon ++;
- tm.tm_mon = BIN2BCD(tm.tm_mon);
+ tm.tm_mon = bin2bcd(tm.tm_mon);
m41t81_write(M41T81REG_MO, tm.tm_mon);
/* we don't do century, everything is beyond 2000 */
tm.tm_year %= 100;
- tm.tm_year = BIN2BCD(tm.tm_year);
+ tm.tm_year = bin2bcd(tm.tm_year);
m41t81_write(M41T81REG_YR, tm.tm_year);
spin_unlock_irqrestore(&rtc_lock, flags);
@@ -209,12 +209,12 @@ unsigned long m41t81_get_time(void)
year = m41t81_read(M41T81REG_YR);
spin_unlock_irqrestore(&rtc_lock, flags);
- sec = BCD2BIN(sec);
- min = BCD2BIN(min);
- hour = BCD2BIN(hour);
- day = BCD2BIN(day);
- mon = BCD2BIN(mon);
- year = BCD2BIN(year);
+ sec = bcd2bin(sec);
+ min = bcd2bin(min);
+ hour = bcd2bin(hour);
+ day = bcd2bin(day);
+ mon = bcd2bin(mon);
+ year = bcd2bin(year);
year += 2000;
diff --git a/arch/mips/sibyte/swarm/rtc_xicor1241.c b/arch/mips/sibyte/swarm/rtc_xicor1241.c
index ff3e5dabb34..178a824b28d 100644
--- a/arch/mips/sibyte/swarm/rtc_xicor1241.c
+++ b/arch/mips/sibyte/swarm/rtc_xicor1241.c
@@ -4,8 +4,8 @@
* Copyright (C) 2002 MontaVista Software Inc.
* Author: jsun@mvista.com or jsun@junsun.net
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
@@ -28,15 +28,15 @@
* Register bits
*/
-#define X1241REG_SR_BAT 0x80 /* currently on battery power */
+#define X1241REG_SR_BAT 0x80 /* currently on battery power */
#define X1241REG_SR_RWEL 0x04 /* r/w latch is enabled, can write RTC */
#define X1241REG_SR_WEL 0x02 /* r/w latch is unlocked, can enable r/w now */
#define X1241REG_SR_RTCF 0x01 /* clock failed */
#define X1241REG_BL_BP2 0x80 /* block protect 2 */
#define X1241REG_BL_BP1 0x40 /* block protect 1 */
#define X1241REG_BL_BP0 0x20 /* block protect 0 */
-#define X1241REG_BL_WD1 0x10
-#define X1241REG_BL_WD0 0x08
+#define X1241REG_BL_WD1 0x10
+#define X1241REG_BL_WD0 0x08
#define X1241REG_HR_MIL 0x80 /* military time format */
/*
@@ -61,50 +61,50 @@
static int xicor_read(uint8_t addr)
{
- while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
- ;
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ ;
__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 (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
- ;
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ ;
__raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
SMB_CSR(R_SMB_START));
- while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
- ;
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ ;
- if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
- /* Clear error bit by writing a 1 */
- __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
- return -1;
- }
+ if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
+ /* Clear error bit by writing a 1 */
+ __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
+ return -1;
+ }
return (__raw_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
}
static int xicor_write(uint8_t addr, int b)
{
- while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
- ;
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ ;
__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 (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
- ;
+ while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
+ ;
- if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
- /* Clear error bit by writing a 1 */
- __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
- return -1;
- } else {
+ if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
+ /* Clear error bit by writing a 1 */
+ __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
+ return -1;
+ } else {
return 0;
}
}
@@ -124,18 +124,18 @@ int xicor_set_time(unsigned long t)
xicor_write(X1241REG_SR, X1241REG_SR_WEL | X1241REG_SR_RWEL);
/* trivial ones */
- tm.tm_sec = BIN2BCD(tm.tm_sec);
+ tm.tm_sec = bin2bcd(tm.tm_sec);
xicor_write(X1241REG_SC, tm.tm_sec);
- tm.tm_min = BIN2BCD(tm.tm_min);
+ tm.tm_min = bin2bcd(tm.tm_min);
xicor_write(X1241REG_MN, tm.tm_min);
- tm.tm_mday = BIN2BCD(tm.tm_mday);
+ tm.tm_mday = bin2bcd(tm.tm_mday);
xicor_write(X1241REG_DT, tm.tm_mday);
/* tm_mon starts from 0, *ick* */
tm.tm_mon ++;
- tm.tm_mon = BIN2BCD(tm.tm_mon);
+ tm.tm_mon = bin2bcd(tm.tm_mon);
xicor_write(X1241REG_MO, tm.tm_mon);
/* year is split */
@@ -148,7 +148,7 @@ int xicor_set_time(unsigned long t)
tmp = xicor_read(X1241REG_HR);
if (tmp & X1241REG_HR_MIL) {
/* 24 hour format */
- tm.tm_hour = BIN2BCD(tm.tm_hour);
+ tm.tm_hour = bin2bcd(tm.tm_hour);
tmp = (tmp & ~0x3f) | (tm.tm_hour & 0x3f);
} else {
/* 12 hour format, with 0x2 for pm */
@@ -157,7 +157,7 @@ int xicor_set_time(unsigned long t)
tmp |= 0x20;
tm.tm_hour -= 12;
}
- tm.tm_hour = BIN2BCD(tm.tm_hour);
+ tm.tm_hour = bin2bcd(tm.tm_hour);
tmp |= tm.tm_hour;
}
xicor_write(X1241REG_HR, tmp);
@@ -191,13 +191,13 @@ unsigned long xicor_get_time(void)
y2k = xicor_read(X1241REG_Y2K);
spin_unlock_irqrestore(&rtc_lock, flags);
- sec = BCD2BIN(sec);
- min = BCD2BIN(min);
- hour = BCD2BIN(hour);
- day = BCD2BIN(day);
- mon = BCD2BIN(mon);
- year = BCD2BIN(year);
- y2k = BCD2BIN(y2k);
+ sec = bcd2bin(sec);
+ min = bcd2bin(min);
+ hour = bcd2bin(hour);
+ day = bcd2bin(day);
+ mon = bcd2bin(mon);
+ year = bcd2bin(year);
+ y2k = bcd2bin(y2k);
year += (y2k * 100);
diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c
index 080c966263b..3462c831d0e 100644
--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -82,24 +82,31 @@ int swarm_be_handler(struct pt_regs *regs, int is_fixup)
enum swarm_rtc_type {
RTC_NONE,
RTC_XICOR,
- RTC_M4LT81
+ RTC_M41T81,
};
enum swarm_rtc_type swarm_rtc_type;
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
+ unsigned long sec;
+
switch (swarm_rtc_type) {
case RTC_XICOR:
- return xicor_get_time();
+ sec = xicor_get_time();
+ break;
- case RTC_M4LT81:
- return m41t81_get_time();
+ case RTC_M41T81:
+ sec = m41t81_get_time();
+ break;
case RTC_NONE:
default:
- return mktime(2000, 1, 1, 0, 0, 0);
+ sec = mktime(2000, 1, 1, 0, 0, 0);
+ break;
}
+ ts->tv_sec = sec;
+ ts->tv_nsec = 0;
}
int rtc_mips_set_time(unsigned long sec)
@@ -108,7 +115,7 @@ int rtc_mips_set_time(unsigned long sec)
case RTC_XICOR:
return xicor_set_time(sec);
- case RTC_M4LT81:
+ case RTC_M41T81:
return m41t81_set_time(sec);
case RTC_NONE:
@@ -127,40 +134,23 @@ void __init plat_mem_setup(void)
#error invalid SiByte board configuration
#endif
- panic_timeout = 5; /* For debug. */
-
board_be_handler = swarm_be_handler;
if (xicor_probe())
swarm_rtc_type = RTC_XICOR;
if (m41t81_probe())
- swarm_rtc_type = RTC_M4LT81;
-
- printk("This kernel optimized for "
-#ifdef CONFIG_SIMULATION
- "simulation"
-#else
- "board"
-#endif
- " runs "
-#ifdef CONFIG_SIBYTE_CFE
- "with"
-#else
- "without"
-#endif
- " CFE\n");
+ swarm_rtc_type = RTC_M41T81;
#ifdef CONFIG_VT
screen_info = (struct screen_info) {
- 0, 0, /* orig-x, orig-y */
- 0, /* unused */
- 52, /* orig_video_page */
- 3, /* orig_video_mode */
- 80, /* orig_video_cols */
- 4626, 3, 9, /* unused, ega_bx, unused */
- 25, /* orig_video_lines */
- 0x22, /* orig_video_isVGA */
- 16 /* orig_video_points */
+ .orig_video_page = 52,
+ .orig_video_mode = 3,
+ .orig_video_cols = 80,
+ .flags = 12,
+ .orig_video_ega_bx = 3,
+ .orig_video_lines = 25,
+ .orig_video_isVGA = 0x22,
+ .orig_video_points = 16,
};
/* XXXKW for CFE, get lines/cols from environment */
#endif
diff --git a/arch/mips/sibyte/swarm/swarm-i2c.c b/arch/mips/sibyte/swarm/swarm-i2c.c
index 4282ac9d01d..062505054d4 100644
--- a/arch/mips/sibyte/swarm/swarm-i2c.c
+++ b/arch/mips/sibyte/swarm/swarm-i2c.c
@@ -1,6 +1,4 @@
/*
- * arch/mips/sibyte/swarm/swarm-i2c.c
- *
* Broadcom BCM91250A (SWARM), etc. I2C platform setup.
*
* Copyright (c) 2008 Maciej W. Rozycki