diff options
Diffstat (limited to 'arch/avr32/mach-at32ap/at32ap7000.c')
| -rw-r--r-- | arch/avr32/mach-at32ap/at32ap7000.c | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c index f6d154ca4d24..a9d9ec081e3d 100644 --- a/arch/avr32/mach-at32ap/at32ap7000.c +++ b/arch/avr32/mach-at32ap/at32ap7000.c @@ -556,6 +556,17 @@ static struct clk pico_clk = { .users = 1, }; +static struct resource dmaca0_resource[] = { + { + .start = 0xff200000, + .end = 0xff20ffff, + .flags = IORESOURCE_MEM, + }, + IRQ(2), +}; +DEFINE_DEV(dmaca, 0); +DEV_CLK(hclk, dmaca0, hsb, 10); + /* -------------------------------------------------------------------- * HMATRIX * -------------------------------------------------------------------- */ @@ -655,6 +666,7 @@ void __init at32_add_system_devices(void) platform_device_register(&at32_eic0_device); platform_device_register(&smc0_device); platform_device_register(&pdc_device); + platform_device_register(&dmaca0_device); platform_device_register(&at32_systc0_device); @@ -960,6 +972,96 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n) } /* -------------------------------------------------------------------- + * TWI + * -------------------------------------------------------------------- */ +static struct resource atmel_twi0_resource[] __initdata = { + PBMEM(0xffe00800), + IRQ(5), +}; +static struct clk atmel_twi0_pclk = { + .name = "twi_pclk", + .parent = &pba_clk, + .mode = pba_clk_mode, + .get_rate = pba_clk_get_rate, + .index = 2, +}; + +struct platform_device *__init at32_add_device_twi(unsigned int id) +{ + struct platform_device *pdev; + + if (id != 0) + return NULL; + + pdev = platform_device_alloc("atmel_twi", id); + if (!pdev) + return NULL; + + if (platform_device_add_resources(pdev, atmel_twi0_resource, + ARRAY_SIZE(atmel_twi0_resource))) + goto err_add_resources; + + select_peripheral(PA(6), PERIPH_A, 0); /* SDA */ + select_peripheral(PA(7), PERIPH_A, 0); /* SDL */ + + atmel_twi0_pclk.dev = &pdev->dev; + + platform_device_add(pdev); + return pdev; + +err_add_resources: + platform_device_put(pdev); + return NULL; +} + +/* -------------------------------------------------------------------- + * MMC + * -------------------------------------------------------------------- */ +static struct resource atmel_mci0_resource[] __initdata = { + PBMEM(0xfff02400), + IRQ(28), +}; +static struct clk atmel_mci0_pclk = { + .name = "mci_clk", + .parent = &pbb_clk, + .mode = pbb_clk_mode, + .get_rate = pbb_clk_get_rate, + .index = 9, +}; + +struct platform_device *__init at32_add_device_mci(unsigned int id) +{ + struct platform_device *pdev; + + if (id != 0) + return NULL; + + pdev = platform_device_alloc("atmel_mci", id); + if (!pdev) + return NULL; + + if (platform_device_add_resources(pdev, atmel_mci0_resource, + ARRAY_SIZE(atmel_mci0_resource))) + goto err_add_resources; + + select_peripheral(PA(10), PERIPH_A, 0); /* CLK */ + select_peripheral(PA(11), PERIPH_A, 0); /* CMD */ + select_peripheral(PA(12), PERIPH_A, 0); /* DATA0 */ + select_peripheral(PA(13), PERIPH_A, 0); /* DATA1 */ + select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */ + select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */ + + atmel_mci0_pclk.dev = &pdev->dev; + + platform_device_add(pdev); + return pdev; + +err_add_resources: + platform_device_put(pdev); + return NULL; +} + +/* -------------------------------------------------------------------- * LCDC * -------------------------------------------------------------------- */ static struct atmel_lcdfb_info atmel_lcdfb0_data; @@ -1228,6 +1330,241 @@ out_free_pdev: } /* -------------------------------------------------------------------- + * IDE / CompactFlash + * -------------------------------------------------------------------- */ +static struct resource at32_smc_cs4_resource[] __initdata = { + { + .start = 0x04000000, + .end = 0x07ffffff, + .flags = IORESOURCE_MEM, + }, + IRQ(~0UL), /* Magic IRQ will be overridden */ +}; +static struct resource at32_smc_cs5_resource[] __initdata = { + { + .start = 0x20000000, + .end = 0x23ffffff, + .flags = IORESOURCE_MEM, + }, + IRQ(~0UL), /* Magic IRQ will be overridden */ +}; + +static int __init at32_init_ide_or_cf(struct platform_device *pdev, + unsigned int cs, unsigned int extint) +{ + static unsigned int extint_pin_map[4] __initdata = { + GPIO_PIN_PB(25), + GPIO_PIN_PB(26), + GPIO_PIN_PB(27), + GPIO_PIN_PB(28), + }; + static bool common_pins_initialized __initdata = false; + unsigned int extint_pin; + int ret; + + if (extint >= ARRAY_SIZE(extint_pin_map)) + return -EINVAL; + extint_pin = extint_pin_map[extint]; + + switch (cs) { + case 4: + ret = platform_device_add_resources(pdev, + at32_smc_cs4_resource, + ARRAY_SIZE(at32_smc_cs4_resource)); + if (ret) + return ret; + + select_peripheral(PE(21), PERIPH_A, 0); /* NCS4 -> OE_N */ + set_ebi_sfr_bits(HMATRIX_BIT(CS4A)); + break; + case 5: + ret = platform_device_add_resources(pdev, + at32_smc_cs5_resource, + ARRAY_SIZE(at32_smc_cs5_resource)); + if (ret) + return ret; + + select_peripheral(PE(22), PERIPH_A, 0); /* NCS5 -> OE_N */ + set_ebi_sfr_bits(HMATRIX_BIT(CS5A)); + break; + default: + return -EINVAL; + } + + if (!common_pins_initialized) { + select_peripheral(PE(19), PERIPH_A, 0); /* CFCE1 -> CS0_N */ + select_peripheral(PE(20), PERIPH_A, 0); /* CFCE2 -> CS1_N */ + select_peripheral(PE(23), PERIPH_A, 0); /* CFRNW -> DIR */ + select_peripheral(PE(24), PERIPH_A, 0); /* NWAIT <- IORDY */ + common_pins_initialized = true; + } + + at32_select_periph(extint_pin, GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH); + + pdev->resource[1].start = EIM_IRQ_BASE + extint; + pdev->resource[1].end = pdev->resource[1].start; + + return 0; +} + +struct platform_device *__init +at32_add_device_ide(unsigned int id, unsigned int extint, + struct ide_platform_data *data) +{ + struct platform_device *pdev; + + pdev = platform_device_alloc("at32_ide", id); + if (!pdev) + goto fail; + + if (platform_device_add_data(pdev, data, + sizeof(struct ide_platform_data))) + goto fail; + + if (at32_init_ide_or_cf(pdev, data->cs, extint)) + goto fail; + + platform_device_add(pdev); + return pdev; + +fail: + platform_device_put(pdev); + return NULL; +} + +struct platform_device *__init +at32_add_device_cf(unsigned int id, unsigned int extint, + struct cf_platform_data *data) +{ + struct platform_device *pdev; + + pdev = platform_device_alloc("at32_cf", id); + if (!pdev) + goto fail; + + if (platform_device_add_data(pdev, data, + sizeof(struct cf_platform_data))) + goto fail; + + if (at32_init_ide_or_cf(pdev, data->cs, extint)) + goto fail; + + if (data->detect_pin != GPIO_PIN_NONE) + at32_select_gpio(data->detect_pin, AT32_GPIOF_DEGLITCH); + if (data->reset_pin != GPIO_PIN_NONE) + at32_select_gpio(data->reset_pin, 0); + if (data->vcc_pin != GPIO_PIN_NONE) + at32_select_gpio(data->vcc_pin, 0); + /* READY is used as extint, so we can't select it as gpio */ + + platform_device_add(pdev); + return pdev; + +fail: + platform_device_put(pdev); + return NULL; +} + +/* -------------------------------------------------------------------- + * AC97C + * -------------------------------------------------------------------- */ +static struct resource atmel_ac97c0_resource[] __initdata = { + PBMEM(0xfff02800), + IRQ(29), +}; +static struct clk atmel_ac97c0_pclk = { + .name = "pclk", + .parent = &pbb_clk, + .mode = pbb_clk_mode, + .get_rate = pbb_clk_get_rate, + .index = 10, +}; + +struct platform_device *__init at32_add_device_ac97c(unsigned int id) +{ + struct platform_device *pdev; + + if (id != 0) + return NULL; + + pdev = platform_device_alloc("atmel_ac97c", id); + if (!pdev) + return NULL; + + if (platform_device_add_resources(pdev, atmel_ac97c0_resource, + ARRAY_SIZE(atmel_ac97c0_resource))) + goto err_add_resources; + + select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */ + select_peripheral(PB(21), PERIPH_B, 0); /* SDO */ + select_peripheral(PB(22), PERIPH_B, 0); /* SDI */ + select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */ + + atmel_ac97c0_pclk.dev = &pdev->dev; + + platform_device_add(pdev); + return pdev; + +err_add_resources: + platform_device_put(pdev); + return NULL; +} + +/* -------------------------------------------------------------------- + * ABDAC + * -------------------------------------------------------------------- */ +static struct resource abdac0_resource[] __initdata = { + PBMEM(0xfff02000), + IRQ(27), +}; +static struct clk abdac0_pclk = { + .name = "pclk", + .parent = &pbb_clk, + .mode = pbb_clk_mode, + .get_rate = pbb_clk_get_rate, + .index = 8, +}; +static struct clk abdac0_sample_clk = { + .name = "sample_clk", + .mode = genclk_mode, + .get_rate = genclk_get_rate, + .set_rate = genclk_set_rate, + .set_parent = genclk_set_parent, + .index = 6, +}; + +struct platform_device *__init at32_add_device_abdac(unsigned int id) +{ + struct platform_device *pdev; + + if (id != 0) + return NULL; + + pdev = platform_device_alloc("abdac", id); + if (!pdev) + return NULL; + + if (platform_device_add_resources(pdev, abdac0_resource, + ARRAY_SIZE(abdac0_resource))) + goto err_add_resources; + + select_peripheral(PB(20), PERIPH_A, 0); /* DATA1 */ + select_peripheral(PB(21), PERIPH_A, 0); /* DATA0 */ + select_peripheral(PB(22), PERIPH_A, 0); /* DATAN1 */ + select_peripheral(PB(23), PERIPH_A, 0); /* DATAN0 */ + + abdac0_pclk.dev = &pdev->dev; + abdac0_sample_clk.dev = &pdev->dev; + + platform_device_add(pdev); + return pdev; + +err_add_resources: + platform_device_put(pdev); + return NULL; +} + +/* -------------------------------------------------------------------- * GCLK * -------------------------------------------------------------------- */ static struct clk gclk0 = { @@ -1290,6 +1627,7 @@ struct clk *at32_clock_list[] = { &smc0_mck, &pdc_hclk, &pdc_pclk, + &dmaca0_hclk, &pico_clk, &pio0_mck, &pio1_mck, @@ -1307,6 +1645,8 @@ struct clk *at32_clock_list[] = { &macb1_pclk, &atmel_spi0_spi_clk, &atmel_spi1_spi_clk, + &atmel_twi0_pclk, + &atmel_mci0_pclk, &atmel_lcdfb0_hck1, &atmel_lcdfb0_pixclk, &ssc0_pclk, @@ -1314,6 +1654,9 @@ struct clk *at32_clock_list[] = { &ssc2_pclk, &usba0_hclk, &usba0_pclk, + &atmel_ac97c0_pclk, + &abdac0_pclk, + &abdac0_sample_clk, &gclk0, &gclk1, &gclk2, @@ -1355,6 +1698,7 @@ void __init at32_clock_init(void) genclk_init_parent(&gclk3); genclk_init_parent(&gclk4); genclk_init_parent(&atmel_lcdfb0_pixclk); + genclk_init_parent(&abdac0_sample_clk); /* * Turn on all clocks that have at least one user already, and |