#include #include #include #include #include #include #include #include #include "clock.h" #include "generic.h" /* -------------------------------------------------------------------- * Clocks * -------------------------------------------------------------------- */ /* * The peripheral clocks. */ static struct clk pioA_clk = { .name = "pioA_clk", .pmc_mask = 1 << AT91SAM9263_ID_PIOA, .type = CLK_TYPE_PERIPHERAL, }; static struct clk pioB_clk = { .name = "pioB_clk", .pmc_mask = 1 << AT91SAM9263_ID_PIOB, .type = CLK_TYPE_PERIPHERAL, }; static struct clk pioCDE_clk = { .name = "pioCDE_clk", .pmc_mask = 1 << AT91SAM9263_ID_PIOCDE, .type = CLK_TYPE_PERIPHERAL, }; static struct clk usart0_clk = { .name = "usart0_clk", .pmc_mask = 1 << AT91SAM9263_ID_US0, .type = CLK_TYPE_PERIPHERAL, }; static struct clk usart1_clk = { .name = "usart1_clk", .pmc_mask = 1 << AT91SAM9263_ID_US1, .type = CLK_TYPE_PERIPHERAL, }; static struct clk usart2_clk = { .name = "usart2_clk", .pmc_mask = 1 << AT91SAM9263_ID_US2, .type = CLK_TYPE_PERIPHERAL, }; static struct clk mmc0_clk = { .name = "mci0_clk", .pmc_mask = 1 << AT91SAM9263_ID_MCI0, .type = CLK_TYPE_PERIPHERAL, }; static struct clk mmc1_clk = { .name = "mci1_clk", .pmc_mask = 1 << AT91SAM9263_ID_MCI1, .type = CLK_TYPE_PERIPHERAL, }; static struct clk can_clk = { .name = "can_clk", .pmc_mask = 1 << AT91SAM9263_ID_CAN, .type = CLK_TYPE_PERIPHERAL, }; static struct clk twi_clk = { .name = "twi_clk", .pmc_mask = 1 << AT91SAM9263_ID_TWI, .type = CLK_TYPE_PERIPHERAL, }; static struct clk spi0_clk = { .name = "spi0_clk", .pmc_mask = 1 << AT91SAM9263_ID_SPI0, .type = CLK_TYPE_PERIPHERAL, }; static struct clk spi1_clk = { .name = "spi1_clk", .pmc_mask = 1 << AT91SAM9263_ID_SPI1, .type = CLK_TYPE_PERIPHERAL, }; static struct clk ssc0_clk = { .name = "ssc0_clk", .pmc_mask = 1 << AT91SAM9263_ID_SSC0, .type = CLK_TYPE_PERIPHERAL, }; static struct clk ssc1_clk = { .name = "ssc1_clk", .pmc_mask = 1 << AT91SAM9263_ID_SSC1, .type = CLK_TYPE_PERIPHERAL, }; static struct clk ac97_clk = { .name = "ac97_clk", .pmc_mask = 1 << AT91SAM9263_ID_AC97C, .type = CLK_TYPE_PERIPHERAL, }; static struct clk tcb_clk = { .name = "tcb_clk", .pmc_mask = 1 << AT91SAM9263_ID_TCB, .type = CLK_TYPE_PERIPHERAL, }; static struct clk pwm_clk = { .name = "pwm_clk", .pmc_mask = 1 << AT91SAM9263_ID_PWMC, .type = CLK_TYPE_PERIPHERAL, }; static struct clk macb_clk = { .name = "macb_clk", .pmc_mask = 1 << AT91SAM9263_ID_EMAC, .type = CLK_TYPE_PERIPHERAL, }; static struct clk dma_clk = { .name = "dma_clk", .pmc_mask = 1 << AT91SAM9263_ID_DMA, .type = CLK_TYPE_PERIPHERAL, }; static struct clk twodge_clk = { .name = "2dge_clk", .pmc_mask = 1 << AT91SAM9263_ID_2DGE, .type = CLK_TYPE_PERIPHERAL, }; static struct clk udc_clk = { .name = "udc_clk", .pmc_mask = 1 << AT91SAM9263_ID_UDP, .type = CLK_TYPE_PERIPHERAL, }; static struct clk isi_clk = { .name = "isi_clk", .pmc_mask = 1 << AT91SAM9263_ID_ISI, .type = CLK_TYPE_PERIPHERAL, }; static struct clk lcdc_clk = { .name = "lcdc_clk", .pmc_mask = 1 << AT91SAM9263_ID_LCDC, .type = CLK_TYPE_PERIPHERAL, }; static struct clk ohci_clk = { .name = "ohci_clk", .pmc_mask = 1 << AT91SAM9263_ID_UHP, .type = CLK_TYPE_PERIPHERAL, }; static struct clk *periph_clocks[] = { &pioA_clk, &pioB_clk, &pioCDE_clk, &usart0_clk, &usart1_clk, &usart2_clk, &mmc0_clk, &mmc1_clk, &can_clk, &twi_clk, &spi0_clk, &spi1_clk, &ssc0_clk, &ssc1_clk, &ac97_clk, &tcb_clk, &pwm_clk, &macb_clk, &twodge_clk, &udc_clk, &isi_clk, &lcdc_clk, &dma_clk, &ohci_clk, // irq0 .. irq1 }; static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci0", &mmc0_clk), CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci1", &mmc1_clk), CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi0", &spi0_clk), CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi1", &spi1_clk), CLKDEV_DEV_ID("at91rm9200-gpio0", &pioA_clk), CLKDEV_DEV_ID("at91rm9200-gpio1", &pioB_clk), CLKDEV_DEV_ID("at91rm9200-gpio2", &pioCDE_clk), CLKDEV_DEV_ID("at91rm9200-gpio3", &pioCDE_clk), CLKDEV_DEV_ID("at91rm9200-gpio4", &pioCDE_clk), CLKDEV_DEV_ID("at91-pit", &mck), CLKDEV_CON_DEV_ID("hck1", "atmel_lcdfb", &lcdc_clk), }; static struct clk_lookup usart_clocks_lookups[] = { CLKDEV_CON_DEV_ID("usart", "atmel_usart0", &mck), CLKDEV_CON_DEV_ID("usart", "atmel_usart1", &usart0_clk), CLKDEV_CON_DEV_ID("usart", "atmel_usart2", &usart1_clk), CLKDEV_CON_DEV_ID("usart", "atmel_usart3", &usart2_clk), }; /* * The four programmable clocks. * You must configure pin multiplexing to bring these signals out. */ static struct clk pck0 = { .name = "pck0", .pmc_mask = AT91_PMC_PCK0, .type = CLK_TYPE_PROGRAMMABLE, .id = 0, }; static struct clk pck1 = { .name = "pck1", .pmc_mask = AT91_PMC_PCK1, .type = CLK_TYPE_PROGRAMMABLE, .id = 1, }; static struct clk pck2 = { .name = "pck2", .pmc_mask = AT91_PMC_PCK2, .type = CLK_TYPE_PROGRAMMABLE, .id = 2, }; static struct clk pck3 = { .name = "pck3", .pmc_mask = AT91_PMC_PCK3, .type = CLK_TYPE_PROGRAMMABLE, .id = 3, }; static void __init at91sam9263_register_clocks(void) { int i; 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); clk_register(&pck2); clk_register(&pck3); } static void at91sam9263_restart(struct restart_handler *rst) { at91sam9_reset(IOMEM(AT91SAM9263_BASE_SDRAMC0), IOMEM(AT91SAM9263_BASE_RSTC + AT91_RSTC_CR)); } static void at91sam9263_initialize(void) { /* Register the processor-specific clocks */ at91sam9263_register_clocks(); /* Register GPIO subsystem */ at91_add_rm9200_gpio(0, AT91SAM9263_BASE_PIOA); at91_add_rm9200_gpio(1, AT91SAM9263_BASE_PIOB); at91_add_rm9200_gpio(2, AT91SAM9263_BASE_PIOC); at91_add_rm9200_gpio(3, AT91SAM9263_BASE_PIOD); at91_add_rm9200_gpio(4, AT91SAM9263_BASE_PIOE); at91_add_pit(AT91SAM9263_BASE_PIT); at91_add_sam9_smc(0, AT91SAM9263_BASE_SMC0, 0x200); at91_add_sam9_smc(1, AT91SAM9263_BASE_SMC1, 0x200); restart_handler_register_fn(at91sam9263_restart); } static int at91sam9263_setup(void) { at91_boot_soc = at91sam9263_initialize; return 0; } pure_initcall(at91sam9263_setup);