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Diffstat (limited to 'arch/arm/mach-at91/at91sam9261.c')
-rw-r--r--arch/arm/mach-at91/at91sam9261.c41
1 files changed, 39 insertions, 2 deletions
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index fcad88668504..c1483168c97a 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -178,6 +178,24 @@ static struct clk *periph_clocks[] __initdata = {
178 // irq0 .. irq2 178 // irq0 .. irq2
179}; 179};
180 180
181static struct clk_lookup periph_clocks_lookups[] = {
182 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
183 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
184 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
185 CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
186 CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc1_clk),
187 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
188 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
189 CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
190};
191
192static struct clk_lookup usart_clocks_lookups[] = {
193 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
194 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
195 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
196 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
197};
198
181/* 199/*
182 * The four programmable clocks. 200 * The four programmable clocks.
183 * You must configure pin multiplexing to bring these signals out. 201 * You must configure pin multiplexing to bring these signals out.
@@ -228,6 +246,11 @@ static void __init at91sam9261_register_clocks(void)
228 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) 246 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
229 clk_register(periph_clocks[i]); 247 clk_register(periph_clocks[i]);
230 248
249 clkdev_add_table(periph_clocks_lookups,
250 ARRAY_SIZE(periph_clocks_lookups));
251 clkdev_add_table(usart_clocks_lookups,
252 ARRAY_SIZE(usart_clocks_lookups));
253
231 clk_register(&pck0); 254 clk_register(&pck0);
232 clk_register(&pck1); 255 clk_register(&pck1);
233 clk_register(&pck2); 256 clk_register(&pck2);
@@ -237,6 +260,18 @@ static void __init at91sam9261_register_clocks(void)
237 clk_register(&hck1); 260 clk_register(&hck1);
238} 261}
239 262
263static struct clk_lookup console_clock_lookup;
264
265void __init at91sam9261_set_console_clock(int id)
266{
267 if (id >= ARRAY_SIZE(usart_clocks_lookups))
268 return;
269
270 console_clock_lookup.con_id = "usart";
271 console_clock_lookup.clk = usart_clocks_lookups[id].clk;
272 clkdev_add(&console_clock_lookup);
273}
274
240/* -------------------------------------------------------------------- 275/* --------------------------------------------------------------------
241 * GPIO 276 * GPIO
242 * -------------------------------------------------------------------- */ 277 * -------------------------------------------------------------------- */
@@ -267,7 +302,7 @@ static void at91sam9261_poweroff(void)
267 * AT91SAM9261 processor initialization 302 * AT91SAM9261 processor initialization
268 * -------------------------------------------------------------------- */ 303 * -------------------------------------------------------------------- */
269 304
270void __init at91sam9261_initialize(unsigned long main_clock) 305void __init at91sam9261_map_io(void)
271{ 306{
272 /* Map peripherals */ 307 /* Map peripherals */
273 iotable_init(at91sam9261_io_desc, ARRAY_SIZE(at91sam9261_io_desc)); 308 iotable_init(at91sam9261_io_desc, ARRAY_SIZE(at91sam9261_io_desc));
@@ -276,8 +311,10 @@ void __init at91sam9261_initialize(unsigned long main_clock)
276 iotable_init(at91sam9g10_sram_desc, ARRAY_SIZE(at91sam9g10_sram_desc)); 311 iotable_init(at91sam9g10_sram_desc, ARRAY_SIZE(at91sam9g10_sram_desc));
277 else 312 else
278 iotable_init(at91sam9261_sram_desc, ARRAY_SIZE(at91sam9261_sram_desc)); 313 iotable_init(at91sam9261_sram_desc, ARRAY_SIZE(at91sam9261_sram_desc));
314}
279 315
280 316void __init at91sam9261_initialize(unsigned long main_clock)
317{
281 at91_arch_reset = at91sam9_alt_reset; 318 at91_arch_reset = at91sam9_alt_reset;
282 pm_power_off = at91sam9261_poweroff; 319 pm_power_off = at91sam9261_poweroff;
283 at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1) 320 at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)