[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>
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arch/arm/mach-orion5x
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@ -21,6 +21,7 @@
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <linux/ata_platform.h>
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#include <asm/mach-types.h>
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#include <asm/gpio.h>
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#include <asm/mach/arch.h>
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@ -64,9 +65,21 @@ static struct hw_pci dns323_pci __initdata = {
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.map_irq = dns323_pci_map_irq,
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};
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static int __init dns323_dev_id(void)
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{
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u32 dev, rev;
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orion5x_pcie_id(&dev, &rev);
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return dev;
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}
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static int __init dns323_pci_init(void)
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{
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if (machine_is_dns323())
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/* The 5182 doesn't really use it's PCI bus, and initialising PCI
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* gets in the way of initialising the SATA controller.
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*/
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if (machine_is_dns323() && dns323_dev_id() != MV88F5182_DEV_ID)
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pci_common_init(&dns323_pci);
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return 0;
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@ -283,10 +296,17 @@ static struct platform_device dns323_button_device = {
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},
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};
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/*****************************************************************************
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* SATA
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*/
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static struct mv_sata_platform_data dns323_sata_data = {
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.n_ports = 2,
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};
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/****************************************************************************
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* General Setup
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*/
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static struct orion5x_mpp_mode dns323_mpp_modes[] __initdata = {
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static struct orion5x_mpp_mode dns323_mv88f5181_mpp_modes[] __initdata = {
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{ 0, MPP_PCIE_RST_OUTn },
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{ 1, MPP_GPIO }, /* right amber LED (sata ch0) */
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{ 2, MPP_GPIO }, /* left amber LED (sata ch1) */
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@ -310,6 +330,30 @@ static struct orion5x_mpp_mode dns323_mpp_modes[] __initdata = {
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{ -1 },
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};
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static struct orion5x_mpp_mode dns323_mv88f5182_mpp_modes[] __initdata = {
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{ 0, MPP_UNUSED },
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{ 1, MPP_GPIO }, /* right amber LED (sata ch0) */
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{ 2, MPP_GPIO }, /* left amber LED (sata ch1) */
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{ 3, MPP_UNUSED },
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{ 4, MPP_GPIO }, /* power button LED */
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{ 5, MPP_GPIO }, /* power button LED */
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{ 6, MPP_GPIO }, /* GMT G751-2f overtemp */
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{ 7, MPP_GPIO }, /* M41T80 nIRQ/OUT/SQW */
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{ 8, MPP_GPIO }, /* triggers power off */
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{ 9, MPP_GPIO }, /* power button switch */
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{ 10, MPP_GPIO }, /* reset button switch */
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{ 11, MPP_UNUSED },
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{ 12, MPP_SATA_LED },
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{ 13, MPP_SATA_LED },
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{ 14, MPP_SATA_LED },
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{ 15, MPP_SATA_LED },
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{ 16, MPP_UNUSED },
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{ 17, MPP_UNUSED },
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{ 18, MPP_UNUSED },
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{ 19, MPP_UNUSED },
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{ -1 },
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};
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/*
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* On the DNS-323 the following devices are attached via I2C:
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*
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@ -340,8 +384,15 @@ static void __init dns323_init(void)
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/* Setup basic Orion functions. Need to be called early. */
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orion5x_init();
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orion5x_mpp_conf(dns323_mpp_modes);
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writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */
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/* Just to be tricky, the 5182 has a completely different
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* set of MPP modes to the 5181.
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*/
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if (dns323_dev_id() == MV88F5182_DEV_ID)
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orion5x_mpp_conf(dns323_mv88f5182_mpp_modes);
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else {
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orion5x_mpp_conf(dns323_mv88f5181_mpp_modes);
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writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */
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}
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/* setup flash mapping
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* CS3 holds a 8 MB Spansion S29GL064M90TFIR4
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@ -367,6 +418,12 @@ static void __init dns323_init(void)
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orion5x_i2c_init();
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orion5x_uart0_init();
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/* The 5182 has it's SATA controller on-chip, and needs it's own little
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* init routine.
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*/
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if (dns323_dev_id() == MV88F5182_DEV_ID)
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orion5x_sata_init(&dns323_sata_data);
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/* register dns323 specific power-off method */
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if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
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gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
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