提交 f3344c54 编写于 作者: L Linus Torvalds

Merge branch 'for-linus' of ssh://master.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6

* 'for-linus' of ssh://master.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
  [AVR32] ARRAY_SIZE() cleanup
  [AVR32] Implement at32_add_device_cf()
  [AVR32] Implement more at32_add_device_foo() functions
  [AVR32] Fix a couple of sparse warnings
  [AVR32] Wire up AT73C213 sound driver on ATSTK1000 board
  [AVR32] Platform code for pata_at32
......@@ -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>
......@@ -48,8 +49,27 @@ 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);
......@@ -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);
......@@ -959,6 +971,96 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
return pdev;
}
/* --------------------------------------------------------------------
* 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
* -------------------------------------------------------------------- */
......@@ -1227,6 +1329,241 @@ at32_add_device_usba(unsigned int id, struct usba_platform_data *data)
return NULL;
}
/* --------------------------------------------------------------------
* 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
* -------------------------------------------------------------------- */
......@@ -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
......
......@@ -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,
......
......@@ -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__ */
......@@ -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;
......
......@@ -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 */
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