summaryrefslogtreecommitdiff
path: root/board/LaCie/net2big_v2/net2big_v2.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/LaCie/net2big_v2/net2big_v2.c')
-rw-r--r--board/LaCie/net2big_v2/net2big_v2.c100
1 files changed, 93 insertions, 7 deletions
diff --git a/board/LaCie/net2big_v2/net2big_v2.c b/board/LaCie/net2big_v2/net2big_v2.c
index 6cca4fb319..b133f7cb3b 100644
--- a/board/LaCie/net2big_v2/net2big_v2.c
+++ b/board/LaCie/net2big_v2/net2big_v2.c
@@ -30,6 +30,7 @@
#include "net2big_v2.h"
#include "../common/common.h"
+#include "../common/cpld-gpio-bus.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -61,18 +62,18 @@ int board_early_init_f(void)
MPP24_GPIO, /* USB mode select */
MPP26_GPIO, /* USB device vbus */
MPP28_GPIO, /* USB enable host vbus */
- MPP29_GPIO, /* GPIO extension ALE */
+ MPP29_GPIO, /* CPLD GPIO bus ALE */
MPP34_GPIO, /* Rear Push button 0=on 1=off */
MPP35_GPIO, /* Inhibit switch power-off */
MPP36_GPIO, /* SATA HDD1 presence */
MPP37_GPIO, /* SATA HDD2 presence */
MPP40_GPIO, /* eSATA presence */
- MPP44_GPIO, /* GPIO extension (data 0) */
- MPP45_GPIO, /* GPIO extension (data 1) */
- MPP46_GPIO, /* GPIO extension (data 2) */
- MPP47_GPIO, /* GPIO extension (addr 0) */
- MPP48_GPIO, /* GPIO extension (addr 1) */
- MPP49_GPIO, /* GPIO extension (addr 2) */
+ MPP44_GPIO, /* CPLD GPIO bus (data 0) */
+ MPP45_GPIO, /* CPLD GPIO bus (data 1) */
+ MPP46_GPIO, /* CPLD GPIO bus (data 2) */
+ MPP47_GPIO, /* CPLD GPIO bus (addr 0) */
+ MPP48_GPIO, /* CPLD GPIO bus (addr 1) */
+ MPP49_GPIO, /* CPLD GPIO bus (addr 2) */
0
};
@@ -143,6 +144,89 @@ err:
static void init_fan(void) {}
#endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_G762_ADDR */
+#if defined(CONFIG_NET2BIG_V2) && defined(CONFIG_KIRKWOOD_GPIO)
+/*
+ * CPLD GPIO bus:
+ *
+ * - address register : bit [0-2] -> GPIO [47-49]
+ * - data register : bit [0-2] -> GPIO [44-46]
+ * - enable register : GPIO 29
+ */
+static unsigned cpld_gpio_bus_addr[] = { 47, 48, 49 };
+static unsigned cpld_gpio_bus_data[] = { 44, 45, 46 };
+
+static struct cpld_gpio_bus cpld_gpio_bus = {
+ .addr = cpld_gpio_bus_addr,
+ .num_addr = ARRAY_SIZE(cpld_gpio_bus_addr),
+ .data = cpld_gpio_bus_data,
+ .num_data = ARRAY_SIZE(cpld_gpio_bus_data),
+ .enable = 29,
+};
+
+/*
+ * LEDs configuration:
+ *
+ * The LEDs are controlled by a CPLD and can be configured through
+ * the CPLD GPIO bus.
+ *
+ * Address register selection:
+ *
+ * addr | register
+ * ----------------------------
+ * 0 | front LED
+ * 1 | front LED brightness
+ * 2 | SATA LED brightness
+ * 3 | SATA0 LED
+ * 4 | SATA1 LED
+ * 5 | SATA2 LED
+ * 6 | SATA3 LED
+ * 7 | SATA4 LED
+ *
+ * Data register configuration:
+ *
+ * data | LED brightness
+ * -------------------------------------------------
+ * 0 | min (off)
+ * - | -
+ * 7 | max
+ *
+ * data | front LED mode
+ * -------------------------------------------------
+ * 0 | fix off
+ * 1 | fix blue on
+ * 2 | fix red on
+ * 3 | blink blue on=1 sec and blue off=1 sec
+ * 4 | blink red on=1 sec and red off=1 sec
+ * 5 | blink blue on=2.5 sec and red on=0.5 sec
+ * 6 | blink blue on=1 sec and red on=1 sec
+ * 7 | blink blue on=0.5 sec and blue off=2.5 sec
+ *
+ * data | SATA LED mode
+ * -------------------------------------------------
+ * 0 | fix off
+ * 1 | SATA activity blink
+ * 2 | fix red on
+ * 3 | blink blue on=1 sec and blue off=1 sec
+ * 4 | blink red on=1 sec and red off=1 sec
+ * 5 | blink blue on=2.5 sec and red on=0.5 sec
+ * 6 | blink blue on=1 sec and red on=1 sec
+ * 7 | fix blue on
+ */
+static void init_leds(void)
+{
+ /* Enable the front blue LED */
+ cpld_gpio_bus_write(&cpld_gpio_bus, 0, 1);
+ cpld_gpio_bus_write(&cpld_gpio_bus, 1, 3);
+
+ /* Configure SATA LEDs to blink in relation with the SATA activity */
+ cpld_gpio_bus_write(&cpld_gpio_bus, 3, 1);
+ cpld_gpio_bus_write(&cpld_gpio_bus, 4, 1);
+ cpld_gpio_bus_write(&cpld_gpio_bus, 2, 3);
+}
+#else
+static void init_leds(void) {}
+#endif /* CONFIG_NET2BIG_V2 && CONFIG_KIRKWOOD_GPIO */
+
int misc_init_r(void)
{
init_fan();
@@ -153,6 +237,8 @@ int misc_init_r(void)
eth_setenv_enetaddr("ethaddr", mac);
}
#endif
+ init_leds();
+
return 0;
}
#endif /* CONFIG_MISC_INIT_R */