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Diffstat (limited to 'arch/arm/mach-at91/at91sam9260.c')
-rw-r--r--arch/arm/mach-at91/at91sam9260.c48
1 files changed, 45 insertions, 3 deletions
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 195208b30024..7d606b04d313 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -231,6 +231,28 @@ static struct clk *periph_clocks[] __initdata = {
// irq0 .. irq2
};
+static struct clk_lookup periph_clocks_lookups[] = {
+ CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
+ CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
+ CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
+ CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
+ CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
+ CLKDEV_CON_DEV_ID("t3_clk", "atmel_tcb.1", &tc3_clk),
+ CLKDEV_CON_DEV_ID("t4_clk", "atmel_tcb.1", &tc4_clk),
+ CLKDEV_CON_DEV_ID("t5_clk", "atmel_tcb.1", &tc5_clk),
+ CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk),
+};
+
+static struct clk_lookup usart_clocks_lookups[] = {
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk),
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.5", &usart4_clk),
+ CLKDEV_CON_DEV_ID("usart", "atmel_usart.6", &usart5_clk),
+};
+
/*
* The two programmable clocks.
* You must configure pin multiplexing to bring these signals out.
@@ -255,10 +277,27 @@ static void __init at91sam9260_register_clocks(void)
for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
clk_register(periph_clocks[i]);
+ clkdev_add_table(periph_clocks_lookups,
+ ARRAY_SIZE(periph_clocks_lookups));
+ clkdev_add_table(usart_clocks_lookups,
+ ARRAY_SIZE(usart_clocks_lookups));
+
clk_register(&pck0);
clk_register(&pck1);
}
+static struct clk_lookup console_clock_lookup;
+
+void __init at91sam9260_set_console_clock(int id)
+{
+ if (id >= ARRAY_SIZE(usart_clocks_lookups))
+ return;
+
+ console_clock_lookup.con_id = "usart";
+ console_clock_lookup.clk = usart_clocks_lookups[id].clk;
+ clkdev_add(&console_clock_lookup);
+}
+
/* --------------------------------------------------------------------
* GPIO
* -------------------------------------------------------------------- */
@@ -289,7 +328,7 @@ static void at91sam9260_poweroff(void)
* AT91SAM9260 processor initialization
* -------------------------------------------------------------------- */
-static void __init at91sam9xe_initialize(void)
+static void __init at91sam9xe_map_io(void)
{
unsigned long cidr, sram_size;
@@ -310,18 +349,21 @@ static void __init at91sam9xe_initialize(void)
iotable_init(at91sam9xe_sram_desc, ARRAY_SIZE(at91sam9xe_sram_desc));
}
-void __init at91sam9260_initialize(unsigned long main_clock)
+void __init at91sam9260_map_io(void)
{
/* Map peripherals */
iotable_init(at91sam9260_io_desc, ARRAY_SIZE(at91sam9260_io_desc));
if (cpu_is_at91sam9xe())
- at91sam9xe_initialize();
+ at91sam9xe_map_io();
else if (cpu_is_at91sam9g20())
iotable_init(at91sam9g20_sram_desc, ARRAY_SIZE(at91sam9g20_sram_desc));
else
iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc));
+}
+void __init at91sam9260_initialize(unsigned long main_clock)
+{
at91_arch_reset = at91sam9_alt_reset;
pm_power_off = at91sam9260_poweroff;
at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1)
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