diff options
| author | Manuel Lauss <manuel.lauss@gmail.com> | 2012-09-13 19:44:39 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-10-11 13:11:20 +0400 |
| commit | bd8510df881f63a9e7768824cf0e33c4702dcde1 (patch) | |
| tree | 00264a638b54403bc3693637c848f1bdee144c05 /arch/mips/alchemy/devboards/db1200.c | |
| parent | 748e787eb6de610c4427594923ef8ca1f5431b74 (diff) | |
| download | linux-bd8510df881f63a9e7768824cf0e33c4702dcde1.tar.xz | |
MIPS: Alchemy: Single kernel for DB1200/1300/1550
Combine support for the DB1200/PB1200, DB1300 and DB1550 boards into
a single kernel image.
defconfig-generated image verified on DB1200, DB1300 and DB1550.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4335/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/alchemy/devboards/db1200.c')
| -rw-r--r-- | arch/mips/alchemy/devboards/db1200.c | 37 |
1 files changed, 10 insertions, 27 deletions
diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c index bf2248474fa8..299b7d202bea 100644 --- a/arch/mips/alchemy/devboards/db1200.c +++ b/arch/mips/alchemy/devboards/db1200.c @@ -45,25 +45,9 @@ #include "platform.h" -static const char *board_type_str(void) -{ - switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) { - case BCSR_WHOAMI_PB1200_DDR1: - case BCSR_WHOAMI_PB1200_DDR2: - return "PB1200"; - case BCSR_WHOAMI_DB1200: - return "DB1200"; - default: - return "(unknown)"; - } -} +const char *get_system_type(void); -const char *get_system_type(void) -{ - return board_type_str(); -} - -static int __init detect_board(void) +static int __init db1200_detect_board(void) { int bid; @@ -96,19 +80,17 @@ static int __init detect_board(void) return 1; /* it's neither */ } -void __init board_setup(void) +int __init db1200_board_setup(void) { unsigned long freq0, clksrc, div, pfc; unsigned short whoami; - if (detect_board()) { - printk(KERN_ERR "NOT running on a DB1200/PB1200 board!\n"); - return; - } + if (db1200_detect_board()) + return -ENODEV; whoami = bcsr_read(BCSR_WHOAMI); printk(KERN_INFO "Alchemy/AMD/RMI %s Board, CPLD Rev %d" - " Board-ID %d Daughtercard ID %d\n", board_type_str(), + " Board-ID %d Daughtercard ID %d\n", get_system_type(), (whoami >> 4) & 0xf, (whoami >> 8) & 0xf, whoami & 0xf); /* SMBus/SPI on PSC0, Audio on PSC1 */ @@ -138,6 +120,8 @@ void __init board_setup(void) clksrc = SYS_CS_MUX_FQ0 << SYS_CS_ME0_BIT; __raw_writel(clksrc, (void __iomem *)SYS_CLKSRC); wmb(); + + return 0; } /******************************************************************************/ @@ -796,7 +780,7 @@ static int __init pb1200_res_fixup(void) return 0; } -static int __init db1200_dev_init(void) +int __init db1200_dev_setup(void) { unsigned long pfc; unsigned short sw; @@ -846,7 +830,7 @@ static int __init db1200_dev_init(void) gpio_request(215, "otg-vbus"); gpio_direction_output(215, 1); - printk(KERN_INFO "%s device configuration:\n", board_type_str()); + printk(KERN_INFO "%s device configuration:\n", get_system_type()); sw = bcsr_read(BCSR_SWITCHES); if (sw & BCSR_SWITCHES_DIP_8) { @@ -922,4 +906,3 @@ static int __init db1200_dev_init(void) return 0; } -device_initcall(db1200_dev_init); |