diff options
author | Stephen Rothwell <sfr@canb.auug.org.au> | 2008-06-13 14:06:34 +1000 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2008-06-13 14:06:34 +1000 |
commit | c308023f122644fa6fea15e23f190498d4701150 (patch) | |
tree | a85689e264cb0affaa74acded78afb2a0fa79a86 /arch | |
parent | 8b99aed225b48b9159793d0eb3f1e45ebf186a80 (diff) | |
parent | 2ac3ca9343aa363d1b40286e8b63435945183524 (diff) |
Merge commit 'avr32/avr32-arch'
Diffstat (limited to 'arch')
-rw-r--r-- | arch/avr32/boards/atngw100/setup.c | 29 | ||||
-rw-r--r-- | arch/avr32/boards/atstk1000/atstk1002.c | 8 | ||||
-rw-r--r-- | arch/avr32/boards/atstk1000/atstk1003.c | 7 | ||||
-rw-r--r-- | arch/avr32/boards/atstk1000/atstk1004.c | 9 | ||||
-rw-r--r-- | arch/avr32/kernel/signal.c | 3 | ||||
-rw-r--r-- | arch/avr32/lib/io-readsb.S | 2 | ||||
-rw-r--r-- | arch/avr32/mach-at32ap/at32ap700x.c | 191 | ||||
-rw-r--r-- | arch/avr32/mach-at32ap/pio.c | 2 | ||||
-rw-r--r-- | arch/avr32/mm/init.c | 2 |
9 files changed, 210 insertions, 43 deletions
diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c index a398be284966..a51bb9fb3c89 100644 --- a/arch/avr32/boards/atngw100/setup.c +++ b/arch/avr32/boards/atngw100/setup.c @@ -9,6 +9,8 @@ */ #include <linux/clk.h> #include <linux/etherdevice.h> +#include <linux/irq.h> +#include <linux/i2c.h> #include <linux/i2c-gpio.h> #include <linux/init.h> #include <linux/linkage.h> @@ -25,6 +27,13 @@ #include <asm/arch/init.h> #include <asm/arch/portmux.h> +/* Oscillator frequencies. These are board-specific */ +unsigned long at32_board_osc_rates[3] = { + [0] = 32768, /* 32.768 kHz on RTC osc */ + [1] = 20000000, /* 20 MHz on osc0 */ + [2] = 12000000, /* 12 MHz on osc1 */ +}; + /* Initialized by bootloader-specific startup code. */ struct tag *bootloader_tags __initdata; @@ -140,6 +149,10 @@ static struct platform_device i2c_gpio_device = { }, }; +static struct i2c_board_info __initdata i2c_info[] = { + /* NOTE: original ATtiny24 firmware is at address 0x0b */ +}; + static int __init atngw100_init(void) { unsigned i; @@ -165,12 +178,28 @@ static int __init atngw100_init(void) } platform_device_register(&ngw_gpio_leds); + /* all these i2c/smbus pins should have external pullups for + * open-drain sharing among all I2C devices. SDA and SCL do; + * PB28/EXTINT3 doesn't; it should be SMBALERT# (for PMBus), + * but it's not available off-board. + */ + at32_select_periph(GPIO_PIN_PB(28), 0, AT32_GPIOF_PULLUP); at32_select_gpio(i2c_gpio_data.sda_pin, AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH); at32_select_gpio(i2c_gpio_data.scl_pin, AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH); platform_device_register(&i2c_gpio_device); + i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info)); return 0; } postcore_initcall(atngw100_init); + +static int __init atngw100_arch_init(void) +{ + /* set_irq_type() after the arch_initcall for EIC has run, and + * before the I2C subsystem could try using this IRQ. + */ + return set_irq_type(AT32_EXTINT(3), IRQ_TYPE_EDGE_FALLING); +} +arch_initcall(atngw100_arch_init); diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c index 000eb4220a12..86b363c1c25b 100644 --- a/arch/avr32/boards/atstk1000/atstk1002.c +++ b/arch/avr32/boards/atstk1000/atstk1002.c @@ -28,6 +28,12 @@ #include "atstk1000.h" +/* Oscillator frequencies. These are board specific */ +unsigned long at32_board_osc_rates[3] = { + [0] = 32768, /* 32.768 kHz on RTC osc */ + [1] = 20000000, /* 20 MHz on osc0 */ + [2] = 12000000, /* 12 MHz on osc1 */ +}; struct eth_addr { u8 addr[6]; @@ -232,7 +238,7 @@ static int __init atstk1002_init(void) set_hw_addr(at32_add_device_eth(1, ð_data[1])); #else at32_add_device_lcdc(0, &atstk1000_lcdc_data, - fbmem_start, fbmem_size); + fbmem_start, fbmem_size, 0); #endif at32_add_device_usba(0, NULL); #ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM diff --git a/arch/avr32/boards/atstk1000/atstk1003.c b/arch/avr32/boards/atstk1000/atstk1003.c index a0b223df35a2..ea109f435a83 100644 --- a/arch/avr32/boards/atstk1000/atstk1003.c +++ b/arch/avr32/boards/atstk1000/atstk1003.c @@ -27,6 +27,13 @@ #include "atstk1000.h" +/* Oscillator frequencies. These are board specific */ +unsigned long at32_board_osc_rates[3] = { + [0] = 32768, /* 32.768 kHz on RTC osc */ + [1] = 20000000, /* 20 MHz on osc0 */ + [2] = 12000000, /* 12 MHz on osc1 */ +}; + #ifdef CONFIG_BOARD_ATSTK1000_EXTDAC static struct at73c213_board_info at73c213_data = { .ssc_id = 0, diff --git a/arch/avr32/boards/atstk1000/atstk1004.c b/arch/avr32/boards/atstk1000/atstk1004.c index e765a8652b3e..c7236df74d74 100644 --- a/arch/avr32/boards/atstk1000/atstk1004.c +++ b/arch/avr32/boards/atstk1000/atstk1004.c @@ -29,6 +29,13 @@ #include "atstk1000.h" +/* Oscillator frequencies. These are board specific */ +unsigned long at32_board_osc_rates[3] = { + [0] = 32768, /* 32.768 kHz on RTC osc */ + [1] = 20000000, /* 20 MHz on osc0 */ + [2] = 12000000, /* 12 MHz on osc1 */ +}; + #ifdef CONFIG_BOARD_ATSTK1000_EXTDAC static struct at73c213_board_info at73c213_data = { .ssc_id = 0, @@ -133,7 +140,7 @@ static int __init atstk1004_init(void) at32_add_device_mci(0); #endif at32_add_device_lcdc(0, &atstk1000_lcdc_data, - fbmem_start, fbmem_size); + fbmem_start, fbmem_size, 0); at32_add_device_usba(0, NULL); #ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM at32_add_device_ssc(0, ATMEL_SSC_TX); diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c index 5616a00c10ba..c5b11f9067f1 100644 --- a/arch/avr32/kernel/signal.c +++ b/arch/avr32/kernel/signal.c @@ -93,6 +93,9 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; + if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->sp) == -EFAULT) + goto badframe; + pr_debug("Context restored: pc = %08lx, lr = %08lx, sp = %08lx\n", regs->pc, regs->lr, regs->sp); diff --git a/arch/avr32/lib/io-readsb.S b/arch/avr32/lib/io-readsb.S index 2be5da7ed26b..cb2d86945559 100644 --- a/arch/avr32/lib/io-readsb.S +++ b/arch/avr32/lib/io-readsb.S @@ -41,7 +41,7 @@ __raw_readsb: 2: sub r10, -4 reteq r12 -3: ld.uh r8, r12[0] +3: ld.ub r8, r12[0] sub r10, 1 st.b r11++, r8 brne 3b diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c index 0f24b4f85c17..a9ae7bb108b2 100644 --- a/arch/avr32/mach-at32ap/at32ap700x.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c @@ -93,19 +93,12 @@ static struct clk devname##_##_name = { \ static DEFINE_SPINLOCK(pm_lock); -unsigned long at32ap7000_osc_rates[3] = { - [0] = 32768, - /* FIXME: these are ATSTK1002-specific */ - [1] = 20000000, - [2] = 12000000, -}; - static struct clk osc0; static struct clk osc1; static unsigned long osc_get_rate(struct clk *clk) { - return at32ap7000_osc_rates[clk->index]; + return at32_board_osc_rates[clk->index]; } static unsigned long pll_get_rate(struct clk *clk, unsigned long control) @@ -841,6 +834,81 @@ void __init at32_add_system_devices(void) } /* -------------------------------------------------------------------- + * PSIF + * -------------------------------------------------------------------- */ +static struct resource atmel_psif0_resource[] __initdata = { + { + .start = 0xffe03c00, + .end = 0xffe03cff, + .flags = IORESOURCE_MEM, + }, + IRQ(18), +}; +static struct clk atmel_psif0_pclk = { + .name = "pclk", + .parent = &pba_clk, + .mode = pba_clk_mode, + .get_rate = pba_clk_get_rate, + .index = 15, +}; + +static struct resource atmel_psif1_resource[] __initdata = { + { + .start = 0xffe03d00, + .end = 0xffe03dff, + .flags = IORESOURCE_MEM, + }, + IRQ(18), +}; +static struct clk atmel_psif1_pclk = { + .name = "pclk", + .parent = &pba_clk, + .mode = pba_clk_mode, + .get_rate = pba_clk_get_rate, + .index = 15, +}; + +struct platform_device *__init at32_add_device_psif(unsigned int id) +{ + struct platform_device *pdev; + + if (!(id == 0 || id == 1)) + return NULL; + + pdev = platform_device_alloc("atmel_psif", id); + if (!pdev) + return NULL; + + switch (id) { + case 0: + if (platform_device_add_resources(pdev, atmel_psif0_resource, + ARRAY_SIZE(atmel_psif0_resource))) + goto err_add_resources; + atmel_psif0_pclk.dev = &pdev->dev; + select_peripheral(PA(8), PERIPH_A, 0); /* CLOCK */ + select_peripheral(PA(9), PERIPH_A, 0); /* DATA */ + break; + case 1: + if (platform_device_add_resources(pdev, atmel_psif1_resource, + ARRAY_SIZE(atmel_psif1_resource))) + goto err_add_resources; + atmel_psif1_pclk.dev = &pdev->dev; + select_peripheral(PB(11), PERIPH_A, 0); /* CLOCK */ + select_peripheral(PB(12), PERIPH_A, 0); /* DATA */ + break; + default: + return NULL; + } + + platform_device_add(pdev); + return pdev; + +err_add_resources: + platform_device_put(pdev); + return NULL; +} + +/* -------------------------------------------------------------------- * USART * -------------------------------------------------------------------- */ @@ -1264,7 +1332,8 @@ static struct clk atmel_lcdfb0_pixclk = { struct platform_device *__init at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, - unsigned long fbmem_start, unsigned long fbmem_len) + unsigned long fbmem_start, unsigned long fbmem_len, + unsigned int pin_config) { struct platform_device *pdev; struct atmel_lcdfb_info *info; @@ -1291,37 +1360,77 @@ at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, switch (id) { case 0: pdev = &atmel_lcdfb0_device; - select_peripheral(PC(19), PERIPH_A, 0); /* CC */ - select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */ - select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */ - select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */ - select_peripheral(PC(23), PERIPH_A, 0); /* DVAL */ - select_peripheral(PC(24), PERIPH_A, 0); /* MODE */ - select_peripheral(PC(25), PERIPH_A, 0); /* PWR */ - select_peripheral(PC(26), PERIPH_A, 0); /* DATA0 */ - select_peripheral(PC(27), PERIPH_A, 0); /* DATA1 */ - select_peripheral(PC(28), PERIPH_A, 0); /* DATA2 */ - select_peripheral(PC(29), PERIPH_A, 0); /* DATA3 */ - select_peripheral(PC(30), PERIPH_A, 0); /* DATA4 */ - select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */ - select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */ - select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */ - select_peripheral(PD(2), PERIPH_A, 0); /* DATA8 */ - select_peripheral(PD(3), PERIPH_A, 0); /* DATA9 */ - select_peripheral(PD(4), PERIPH_A, 0); /* DATA10 */ - select_peripheral(PD(5), PERIPH_A, 0); /* DATA11 */ - select_peripheral(PD(6), PERIPH_A, 0); /* DATA12 */ - select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */ - select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */ - select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */ - select_peripheral(PD(10), PERIPH_A, 0); /* DATA16 */ - select_peripheral(PD(11), PERIPH_A, 0); /* DATA17 */ - select_peripheral(PD(12), PERIPH_A, 0); /* DATA18 */ - select_peripheral(PD(13), PERIPH_A, 0); /* DATA19 */ - select_peripheral(PD(14), PERIPH_A, 0); /* DATA20 */ - select_peripheral(PD(15), PERIPH_A, 0); /* DATA21 */ - select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */ - select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */ + + switch (pin_config) { + case 0: + select_peripheral(PC(19), PERIPH_A, 0); /* CC */ + select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */ + select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */ + select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */ + select_peripheral(PC(23), PERIPH_A, 0); /* DVAL */ + select_peripheral(PC(24), PERIPH_A, 0); /* MODE */ + select_peripheral(PC(25), PERIPH_A, 0); /* PWR */ + select_peripheral(PC(26), PERIPH_A, 0); /* DATA0 */ + select_peripheral(PC(27), PERIPH_A, 0); /* DATA1 */ + select_peripheral(PC(28), PERIPH_A, 0); /* DATA2 */ + select_peripheral(PC(29), PERIPH_A, 0); /* DATA3 */ + select_peripheral(PC(30), PERIPH_A, 0); /* DATA4 */ + select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */ + select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */ + select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */ + select_peripheral(PD(2), PERIPH_A, 0); /* DATA8 */ + select_peripheral(PD(3), PERIPH_A, 0); /* DATA9 */ + select_peripheral(PD(4), PERIPH_A, 0); /* DATA10 */ + select_peripheral(PD(5), PERIPH_A, 0); /* DATA11 */ + select_peripheral(PD(6), PERIPH_A, 0); /* DATA12 */ + select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */ + select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */ + select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */ + select_peripheral(PD(10), PERIPH_A, 0); /* DATA16 */ + select_peripheral(PD(11), PERIPH_A, 0); /* DATA17 */ + select_peripheral(PD(12), PERIPH_A, 0); /* DATA18 */ + select_peripheral(PD(13), PERIPH_A, 0); /* DATA19 */ + select_peripheral(PD(14), PERIPH_A, 0); /* DATA20 */ + select_peripheral(PD(15), PERIPH_A, 0); /* DATA21 */ + select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */ + select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */ + break; + case 1: + select_peripheral(PE(0), PERIPH_B, 0); /* CC */ + select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */ + select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */ + select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */ + select_peripheral(PE(1), PERIPH_B, 0); /* DVAL */ + select_peripheral(PE(2), PERIPH_B, 0); /* MODE */ + select_peripheral(PC(25), PERIPH_A, 0); /* PWR */ + select_peripheral(PE(3), PERIPH_B, 0); /* DATA0 */ + select_peripheral(PE(4), PERIPH_B, 0); /* DATA1 */ + select_peripheral(PE(5), PERIPH_B, 0); /* DATA2 */ + select_peripheral(PE(6), PERIPH_B, 0); /* DATA3 */ + select_peripheral(PE(7), PERIPH_B, 0); /* DATA4 */ + select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */ + select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */ + select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */ + select_peripheral(PE(8), PERIPH_B, 0); /* DATA8 */ + select_peripheral(PE(9), PERIPH_B, 0); /* DATA9 */ + select_peripheral(PE(10), PERIPH_B, 0); /* DATA10 */ + select_peripheral(PE(11), PERIPH_B, 0); /* DATA11 */ + select_peripheral(PE(12), PERIPH_B, 0); /* DATA12 */ + select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */ + select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */ + select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */ + select_peripheral(PE(13), PERIPH_B, 0); /* DATA16 */ + select_peripheral(PE(14), PERIPH_B, 0); /* DATA17 */ + select_peripheral(PE(15), PERIPH_B, 0); /* DATA18 */ + select_peripheral(PE(16), PERIPH_B, 0); /* DATA19 */ + select_peripheral(PE(17), PERIPH_B, 0); /* DATA20 */ + select_peripheral(PE(18), PERIPH_B, 0); /* DATA21 */ + select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */ + select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */ + break; + default: + goto err_invalid_id; + } clk_set_parent(&atmel_lcdfb0_pixclk, &pll0); clk_set_rate(&atmel_lcdfb0_pixclk, clk_get_rate(&pll0)); @@ -1900,6 +2009,8 @@ struct clk *at32_clock_list[] = { &pio4_mck, &at32_tcb0_t0_clk, &at32_tcb1_t0_clk, + &atmel_psif0_pclk, + &atmel_psif1_pclk, &atmel_usart0_usart, &atmel_usart1_usart, &atmel_usart2_usart, diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c index 38a8fa31c0b5..60da03ba7117 100644 --- a/arch/avr32/mach-at32ap/pio.c +++ b/arch/avr32/mach-at32ap/pio.c @@ -318,6 +318,8 @@ static void pio_bank_show(struct seq_file *s, struct gpio_chip *chip) const char *label; label = gpiochip_is_requested(chip, i); + if (!label && (imr & mask)) + label = "[irq]"; if (!label) continue; diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c index 0e64ddc45e37..5ee1e407dcf7 100644 --- a/arch/avr32/mm/init.c +++ b/arch/avr32/mm/init.c @@ -11,6 +11,7 @@ #include <linux/swap.h> #include <linux/init.h> #include <linux/mmzone.h> +#include <linux/module.h> #include <linux/bootmem.h> #include <linux/pagemap.h> #include <linux/nodemask.h> @@ -28,6 +29,7 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); pgd_t swapper_pg_dir[PTRS_PER_PGD]; struct page *empty_zero_page; +EXPORT_SYMBOL(empty_zero_page); /* * Cache of MMU context last used. |