diff options
| -rw-r--r-- | arch/avr32/boards/atstk1000/atstk1002.c | 58 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/at32ap7000.c | 344 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/extint.c | 2 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/pm.h | 4 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/time-tc.c | 2 | ||||
| -rw-r--r-- | include/asm-avr32/arch-at32ap/board.h | 23 |
6 files changed, 429 insertions, 4 deletions
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c index 6b9e466104a..5be0d13f4b0 100644 --- a/arch/avr32/boards/atstk1000/atstk1002.c +++ b/arch/avr32/boards/atstk1000/atstk1002.c @@ -16,6 +16,7 @@ #include <linux/string.h> #include <linux/types.h> #include <linux/spi/spi.h> +#include <linux/spi/at73c213.h> #include <video/atmel_lcdc.h> @@ -49,7 +50,26 @@ static struct eth_platform_data __initdata eth_data[2] = { }; #ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM +#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM +static struct at73c213_board_info at73c213_data = { + .ssc_id = 0, + .shortname = "AVR32 STK1000 external DAC", +}; +#endif +#endif + +#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM static struct spi_board_info spi0_board_info[] __initdata = { +#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM + { + /* AT73C213 */ + .modalias = "at73c213", + .max_speed_hz = 200000, + .chip_select = 0, + .mode = SPI_MODE_1, + .platform_data = &at73c213_data, + }, +#endif { /* QVGA display */ .modalias = "ltv350qv", @@ -180,6 +200,38 @@ static void setup_j2_leds(void) } #endif +#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM +#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM +static void __init at73c213_set_clk(struct at73c213_board_info *info) +{ + struct clk *gclk; + struct clk *pll; + + gclk = clk_get(NULL, "gclk0"); + if (IS_ERR(gclk)) + goto err_gclk; + pll = clk_get(NULL, "pll0"); + if (IS_ERR(pll)) + goto err_pll; + + if (clk_set_parent(gclk, pll)) { + pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n"); + goto err_set_clk; + } + + at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0); + info->dac_clk = gclk; + +err_set_clk: + clk_put(pll); +err_pll: + clk_put(gclk); +err_gclk: + return; +} +#endif +#endif + void __init setup_board(void) { #ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM @@ -248,6 +300,12 @@ static int __init atstk1002_init(void) setup_j2_leds(); +#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM +#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM + at73c213_set_clk(&at73c213_data); +#endif +#endif + return 0; } postcore_initcall(atstk1002_init); diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c index f6d154ca4d2..a9d9ec081e3 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 diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c index 8acd0109003..f5bfd4c81fe 100644 --- a/arch/avr32/mach-at32ap/extint.c +++ b/arch/avr32/mach-at32ap/extint.c @@ -142,7 +142,7 @@ static int eic_set_irq_type(unsigned int irq, unsigned int flow_type) return ret; } -struct irq_chip eic_chip = { +static struct irq_chip eic_chip = { .name = "eic", .ack = eic_ack_irq, .mask = eic_mask_irq, diff --git a/arch/avr32/mach-at32ap/pm.h b/arch/avr32/mach-at32ap/pm.h index 47efd0d1951..694d521edc2 100644 --- a/arch/avr32/mach-at32ap/pm.h +++ b/arch/avr32/mach-at32ap/pm.h @@ -113,8 +113,8 @@ /* Register access macros */ #define pm_readl(reg) \ - __raw_readl((void __iomem *)AT32_PM_BASE + PM_##reg) + __raw_readl((void __iomem __force *)AT32_PM_BASE + PM_##reg) #define pm_writel(reg,value) \ - __raw_writel((value), (void __iomem *)AT32_PM_BASE + PM_##reg) + __raw_writel((value), (void __iomem __force *)AT32_PM_BASE + PM_##reg) #endif /* __ARCH_AVR32_MACH_AT32AP_PM_H__ */ diff --git a/arch/avr32/mach-at32ap/time-tc.c b/arch/avr32/mach-at32ap/time-tc.c index e3070bdd4bb..10265863c98 100644 --- a/arch/avr32/mach-at32ap/time-tc.c +++ b/arch/avr32/mach-at32ap/time-tc.c @@ -79,7 +79,7 @@ static int avr32_timer_calc_div_and_set_jiffies(struct clk *pclk) { unsigned int cycles_max = (clocksource_avr32.mask + 1) / 2; unsigned int divs[] = { 4, 8, 16, 32 }; - int divs_size = sizeof(divs) / sizeof(*divs); + int divs_size = ARRAY_SIZE(divs); int i = 0; unsigned long count_hz; unsigned long shift; diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h index 7dbd603c38c..d6993a6b647 100644 --- a/include/asm-avr32/arch-at32ap/board.h +++ b/include/asm-avr32/arch-at32ap/board.h @@ -44,6 +44,13 @@ struct usba_platform_data { struct platform_device * at32_add_device_usba(unsigned int id, struct usba_platform_data *data); +struct ide_platform_data { + u8 cs; +}; +struct platform_device * +at32_add_device_ide(unsigned int id, unsigned int extint, + struct ide_platform_data *data); + /* depending on what's hooked up, not all SSC pins will be used */ #define ATMEL_SSC_TK 0x01 #define ATMEL_SSC_TF 0x02 @@ -58,4 +65,20 @@ at32_add_device_usba(unsigned int id, struct usba_platform_data *data); struct platform_device * at32_add_device_ssc(unsigned int id, unsigned int flags); +struct platform_device *at32_add_device_twi(unsigned int id); +struct platform_device *at32_add_device_mci(unsigned int id); +struct platform_device *at32_add_device_ac97c(unsigned int id); +struct platform_device *at32_add_device_abdac(unsigned int id); + +struct cf_platform_data { + int detect_pin; + int reset_pin; + int vcc_pin; + int ready_pin; + u8 cs; +}; +struct platform_device * +at32_add_device_cf(unsigned int id, unsigned int extint, + struct cf_platform_data *data); + #endif /* __ASM_ARCH_BOARD_H */ |