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authorManuel Lauss <manuel.lauss@gmail.com>2014-02-20 17:59:24 +0400
committerRalf Baechle <ralf@linux-mips.org>2014-03-27 02:09:21 +0400
commit970e268d6ed1f1799829cc0c87ea271a9e127e79 (patch)
treee58e6ebbb7061a9f578d35cf254dc35054c90990 /arch/mips/alchemy/devboards
parent88e9a93c9d53ddcf633aa07f14245da7f30408c2 (diff)
downloadlinux-970e268d6ed1f1799829cc0c87ea271a9e127e79.tar.xz
MIPS: Alchemy: Unify Devboard support.
This patch merges support for all DB1xxx and PB1xxx boards into a single image, along with a new single defconfig for them. Run-tested on DB1300 and DB1500. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/6577/ Patchwork: https://patchwork.linux-mips.org/patch/6659/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/alchemy/devboards')
-rw-r--r--arch/mips/alchemy/devboards/Makefile4
-rw-r--r--arch/mips/alchemy/devboards/db1000.c47
-rw-r--r--arch/mips/alchemy/devboards/db1200.c9
-rw-r--r--arch/mips/alchemy/devboards/db1300.c6
-rw-r--r--arch/mips/alchemy/devboards/db1550.c10
-rw-r--r--arch/mips/alchemy/devboards/db1xxx.c (renamed from arch/mips/alchemy/devboards/db1235.c)41
6 files changed, 69 insertions, 48 deletions
diff --git a/arch/mips/alchemy/devboards/Makefile b/arch/mips/alchemy/devboards/Makefile
index 15bf7306648b..9da3659a9d1c 100644
--- a/arch/mips/alchemy/devboards/Makefile
+++ b/arch/mips/alchemy/devboards/Makefile
@@ -2,7 +2,5 @@
# Alchemy Develboards
#
-obj-y += bcsr.o platform.o
+obj-y += bcsr.o platform.o db1000.o db1200.o db1300.o db1550.o db1xxx.o
obj-$(CONFIG_PM) += pm.o
-obj-$(CONFIG_MIPS_DB1000) += db1000.o
-obj-$(CONFIG_MIPS_DB1235) += db1235.o db1200.o db1300.o db1550.o
diff --git a/arch/mips/alchemy/devboards/db1000.c b/arch/mips/alchemy/devboards/db1000.c
index 5483906e0f86..92dd929d4057 100644
--- a/arch/mips/alchemy/devboards/db1000.c
+++ b/arch/mips/alchemy/devboards/db1000.c
@@ -41,42 +41,27 @@
#define F_SWAPPED (bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT)
-struct pci_dev;
+const char *get_system_type(void);
-static const char *board_type_str(void)
+int __init db1000_board_setup(void)
{
+ /* initialize board register space */
+ bcsr_init(DB1000_BCSR_PHYS_ADDR,
+ DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);
+
switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
case BCSR_WHOAMI_DB1000:
- return "DB1000";
case BCSR_WHOAMI_DB1500:
- return "DB1500";
case BCSR_WHOAMI_DB1100:
- return "DB1100";
case BCSR_WHOAMI_PB1500:
case BCSR_WHOAMI_PB1500R2:
- return "PB1500";
case BCSR_WHOAMI_PB1100:
- return "PB1100";
- default:
- return "(unknown)";
+ pr_info("AMD Alchemy %s Board\n", get_system_type());
+ return 0;
}
+ return -ENODEV;
}
-const char *get_system_type(void)
-{
- return board_type_str();
-}
-
-void __init board_setup(void)
-{
- /* initialize board register space */
- bcsr_init(DB1000_BCSR_PHYS_ADDR,
- DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);
-
- printk(KERN_INFO "AMD Alchemy %s Board\n", board_type_str());
-}
-
-
static int db1500_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
{
if ((slot < 12) || (slot > 13) || pin == 0)
@@ -114,17 +99,10 @@ static struct platform_device db1500_pci_host_dev = {
.resource = alchemy_pci_host_res,
};
-static int __init db1500_pci_init(void)
+int __init db1500_pci_setup(void)
{
- int id = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
- if ((id == BCSR_WHOAMI_DB1500) || (id == BCSR_WHOAMI_PB1500) ||
- (id == BCSR_WHOAMI_PB1500R2))
- return platform_device_register(&db1500_pci_host_dev);
- return 0;
+ return platform_device_register(&db1500_pci_host_dev);
}
-/* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
-arch_initcall(db1500_pci_init);
-
static struct resource au1100_lcd_resources[] = {
[0] = {
@@ -513,7 +491,7 @@ static struct platform_device *db1100_devs[] = {
&db1000_irda_dev,
};
-static int __init db1000_dev_init(void)
+int __init db1000_dev_setup(void)
{
int board = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
int c0, c1, d0, d1, s0, s1, flashsize = 32, twosocks = 1;
@@ -623,4 +601,3 @@ static int __init db1000_dev_init(void)
db1x_register_norflash(flashsize << 20, 4 /* 32bit */, F_SWAPPED);
return 0;
}
-device_initcall(db1000_dev_init);
diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c
index a84d98b8f96e..a60d0a3410ea 100644
--- a/arch/mips/alchemy/devboards/db1200.c
+++ b/arch/mips/alchemy/devboards/db1200.c
@@ -89,6 +89,15 @@ int __init db1200_board_setup(void)
return -ENODEV;
whoami = bcsr_read(BCSR_WHOAMI);
+ switch (BCSR_WHOAMI_BOARD(whoami)) {
+ case BCSR_WHOAMI_PB1200_DDR1:
+ case BCSR_WHOAMI_PB1200_DDR2:
+ case BCSR_WHOAMI_DB1200:
+ break;
+ default:
+ return -ENODEV;
+ }
+
printk(KERN_INFO "Alchemy/AMD/RMI %s Board, CPLD Rev %d"
" Board-ID %d Daughtercard ID %d\n", get_system_type(),
(whoami >> 4) & 0xf, (whoami >> 8) & 0xf, whoami & 0xf);
diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index 6167e73eef9c..509602cb463a 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -759,11 +759,15 @@ int __init db1300_board_setup(void)
{
unsigned short whoami;
- db1300_gpio_config();
bcsr_init(DB1300_BCSR_PHYS_ADDR,
DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
whoami = bcsr_read(BCSR_WHOAMI);
+ if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
+ return -ENODEV;
+
+ db1300_gpio_config();
+
printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
"BoardID %d CPLD Rev %d DaughtercardID %d\n",
BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index 016cddacd7ea..bbd8d9884702 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -62,10 +62,16 @@ int __init db1550_board_setup(void)
DB1550_BCSR_PHYS_ADDR + DB1550_BCSR_HEXLED_OFS);
whoami = bcsr_read(BCSR_WHOAMI); /* PB1550 hexled offset differs */
- if ((BCSR_WHOAMI_BOARD(whoami) == BCSR_WHOAMI_PB1550_SDR) ||
- (BCSR_WHOAMI_BOARD(whoami) == BCSR_WHOAMI_PB1550_DDR))
+ switch (BCSR_WHOAMI_BOARD(whoami)) {
+ case BCSR_WHOAMI_PB1550_SDR:
+ case BCSR_WHOAMI_PB1550_DDR:
bcsr_init(PB1550_BCSR_PHYS_ADDR,
PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
+ case BCSR_WHOAMI_DB1550:
+ break;
+ default:
+ return -ENODEV;
+ }
pr_info("Alchemy/AMD %s Board, CPLD Rev %d Board-ID %d " \
"Daughtercard ID %d\n", get_system_type(),
diff --git a/arch/mips/alchemy/devboards/db1235.c b/arch/mips/alchemy/devboards/db1xxx.c
index bac19dc43d1d..2d47f951121a 100644
--- a/arch/mips/alchemy/devboards/db1235.c
+++ b/arch/mips/alchemy/devboards/db1xxx.c
@@ -1,12 +1,13 @@
/*
- * DB1200/PB1200 / DB1550 / DB1300 board support.
- *
- * These 4 boards can reliably be supported in a single kernel image.
+ * Alchemy DB/PB1xxx board support.
*/
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-db1x00/bcsr.h>
+int __init db1000_board_setup(void);
+int __init db1000_dev_setup(void);
+int __init db1500_pci_setup(void);
int __init db1200_board_setup(void);
int __init db1200_dev_setup(void);
int __init db1300_board_setup(void);
@@ -18,6 +19,17 @@ int __init db1550_pci_setup(int);
static const char *board_type_str(void)
{
switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
+ case BCSR_WHOAMI_DB1000:
+ return "DB1000";
+ case BCSR_WHOAMI_DB1500:
+ return "DB1500";
+ case BCSR_WHOAMI_DB1100:
+ return "DB1100";
+ case BCSR_WHOAMI_PB1500:
+ case BCSR_WHOAMI_PB1500R2:
+ return "PB1500";
+ case BCSR_WHOAMI_PB1100:
+ return "PB1100";
case BCSR_WHOAMI_PB1200_DDR1:
case BCSR_WHOAMI_PB1200_DDR2:
return "PB1200";
@@ -45,6 +57,11 @@ void __init board_setup(void)
int ret;
switch (alchemy_get_cputype()) {
+ case ALCHEMY_CPU_AU1000:
+ case ALCHEMY_CPU_AU1500:
+ case ALCHEMY_CPU_AU1100:
+ ret = db1000_board_setup();
+ break;
case ALCHEMY_CPU_AU1550:
ret = db1550_board_setup();
break;
@@ -62,7 +79,7 @@ void __init board_setup(void)
panic("cannot initialize board support");
}
-int __init db1235_arch_init(void)
+static int __init db1xxx_arch_init(void)
{
int id = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
if (id == BCSR_WHOAMI_DB1550)
@@ -70,14 +87,24 @@ int __init db1235_arch_init(void)
else if ((id == BCSR_WHOAMI_PB1550_SDR) ||
(id == BCSR_WHOAMI_PB1550_DDR))
return db1550_pci_setup(1);
+ else if ((id == BCSR_WHOAMI_DB1500) || (id == BCSR_WHOAMI_PB1500) ||
+ (id == BCSR_WHOAMI_PB1500R2))
+ return db1500_pci_setup();
return 0;
}
-arch_initcall(db1235_arch_init);
+arch_initcall(db1xxx_arch_init);
-int __init db1235_dev_init(void)
+static int __init db1xxx_dev_init(void)
{
switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
+ case BCSR_WHOAMI_DB1000:
+ case BCSR_WHOAMI_DB1500:
+ case BCSR_WHOAMI_DB1100:
+ case BCSR_WHOAMI_PB1500:
+ case BCSR_WHOAMI_PB1500R2:
+ case BCSR_WHOAMI_PB1100:
+ return db1000_dev_setup();
case BCSR_WHOAMI_PB1200_DDR1:
case BCSR_WHOAMI_PB1200_DDR2:
case BCSR_WHOAMI_DB1200:
@@ -91,4 +118,4 @@ int __init db1235_dev_init(void)
}
return 0;
}
-device_initcall(db1235_dev_init);
+device_initcall(db1xxx_dev_init);