diff options
author | Matt Palmer <mpalmer@hezmatt.org> | 2008-10-22 10:16:36 +0200 |
---|---|---|
committer | Nicolas Pitre <nico@cam.org> | 2008-12-11 16:38:56 -0500 |
commit | f93e4159b14c5edbaae9916d42ad685aa2f927d1 (patch) | |
tree | 97e353318f529f2488ea4c38cfaf1a01940e8acd /arch | |
parent | a93f44c1751ef1afddd4b76058fb3a2f55fe774c (diff) | |
download | linux-3.10-f93e4159b14c5edbaae9916d42ad685aa2f927d1.tar.gz linux-3.10-f93e4159b14c5edbaae9916d42ad685aa2f927d1.tar.bz2 linux-3.10-f93e4159b14c5edbaae9916d42ad685aa2f927d1.zip |
[ARM] DNS323: Initialise 88F5182 correctly
The 88F5182 found in the DNS-323 rev B1 (and some other devices, such
as the CH3SNAS) require different initialisation of the SATA
controller and MPP registers.
Tested on a DNS-323 rev B1.
Signed-off-by: Matt Palmer <mpalmer@hezmatt.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-orion5x/dns323-setup.c | 65 |
1 files changed, 61 insertions, 4 deletions
diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c index 4053bd35476..0722d6510df 100644 --- a/arch/arm/mach-orion5x/dns323-setup.c +++ b/arch/arm/mach-orion5x/dns323-setup.c @@ -21,6 +21,7 @@ #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/i2c.h> +#include <linux/ata_platform.h> #include <asm/mach-types.h> #include <asm/gpio.h> #include <asm/mach/arch.h> @@ -64,9 +65,21 @@ static struct hw_pci dns323_pci __initdata = { .map_irq = dns323_pci_map_irq, }; +static int __init dns323_dev_id(void) +{ + u32 dev, rev; + + orion5x_pcie_id(&dev, &rev); + + return dev; +} + static int __init dns323_pci_init(void) { - if (machine_is_dns323()) + /* The 5182 doesn't really use it's PCI bus, and initialising PCI + * gets in the way of initialising the SATA controller. + */ + if (machine_is_dns323() && dns323_dev_id() != MV88F5182_DEV_ID) pci_common_init(&dns323_pci); return 0; @@ -283,10 +296,17 @@ static struct platform_device dns323_button_device = { }, }; +/***************************************************************************** + * SATA + */ +static struct mv_sata_platform_data dns323_sata_data = { + .n_ports = 2, +}; + /**************************************************************************** * General Setup */ -static struct orion5x_mpp_mode dns323_mpp_modes[] __initdata = { +static struct orion5x_mpp_mode dns323_mv88f5181_mpp_modes[] __initdata = { { 0, MPP_PCIE_RST_OUTn }, { 1, MPP_GPIO }, /* right amber LED (sata ch0) */ { 2, MPP_GPIO }, /* left amber LED (sata ch1) */ @@ -310,6 +330,30 @@ static struct orion5x_mpp_mode dns323_mpp_modes[] __initdata = { { -1 }, }; +static struct orion5x_mpp_mode dns323_mv88f5182_mpp_modes[] __initdata = { + { 0, MPP_UNUSED }, + { 1, MPP_GPIO }, /* right amber LED (sata ch0) */ + { 2, MPP_GPIO }, /* left amber LED (sata ch1) */ + { 3, MPP_UNUSED }, + { 4, MPP_GPIO }, /* power button LED */ + { 5, MPP_GPIO }, /* power button LED */ + { 6, MPP_GPIO }, /* GMT G751-2f overtemp */ + { 7, MPP_GPIO }, /* M41T80 nIRQ/OUT/SQW */ + { 8, MPP_GPIO }, /* triggers power off */ + { 9, MPP_GPIO }, /* power button switch */ + { 10, MPP_GPIO }, /* reset button switch */ + { 11, MPP_UNUSED }, + { 12, MPP_SATA_LED }, + { 13, MPP_SATA_LED }, + { 14, MPP_SATA_LED }, + { 15, MPP_SATA_LED }, + { 16, MPP_UNUSED }, + { 17, MPP_UNUSED }, + { 18, MPP_UNUSED }, + { 19, MPP_UNUSED }, + { -1 }, +}; + /* * On the DNS-323 the following devices are attached via I2C: * @@ -340,8 +384,15 @@ static void __init dns323_init(void) /* Setup basic Orion functions. Need to be called early. */ orion5x_init(); - orion5x_mpp_conf(dns323_mpp_modes); - writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */ + /* Just to be tricky, the 5182 has a completely different + * set of MPP modes to the 5181. + */ + if (dns323_dev_id() == MV88F5182_DEV_ID) + orion5x_mpp_conf(dns323_mv88f5182_mpp_modes); + else { + orion5x_mpp_conf(dns323_mv88f5181_mpp_modes); + writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */ + } /* setup flash mapping * CS3 holds a 8 MB Spansion S29GL064M90TFIR4 @@ -367,6 +418,12 @@ static void __init dns323_init(void) orion5x_i2c_init(); orion5x_uart0_init(); + /* The 5182 has it's SATA controller on-chip, and needs it's own little + * init routine. + */ + if (dns323_dev_id() == MV88F5182_DEV_ID) + orion5x_sata_init(&dns323_sata_data); + /* register dns323 specific power-off method */ if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 || gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0) |