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Diffstat (limited to 'arch/avr32/mach-at32ap/at32ap700x.c')
-rw-r--r--arch/avr32/mach-at32ap/at32ap700x.c113
1 files changed, 72 insertions, 41 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index eb9d4dc2e86..a1f4d1e91b5 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -12,9 +12,12 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
+#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/usb/atmel_usba_udc.h>
+
+#include <mach/atmel-mci.h>
#include <linux/atmel-mci.h>
#include <asm/io.h>
@@ -602,6 +605,9 @@ static void __init genclk_init_parent(struct clk *clk)
static struct dw_dma_platform_data dw_dmac0_data = {
.nr_channels = 3,
+ .block_size = 4095U,
+ .nr_masters = 2,
+ .data_width = { 2, 2, 0, 0 },
};
static struct resource dw_dmac0_resource[] = {
@@ -1011,6 +1017,7 @@ static struct platform_device *__initdata at32_usarts[4];
void __init at32_map_usart(unsigned int hw_id, unsigned int line, int flags)
{
struct platform_device *pdev;
+ struct atmel_uart_data *pdata;
switch (hw_id) {
case 0:
@@ -1040,6 +1047,8 @@ void __init at32_map_usart(unsigned int hw_id, unsigned int line, int flags)
}
pdev->id = line;
+ pdata = pdev->dev.platform_data;
+ pdata->num = line;
at32_usarts[line] = pdev;
}
@@ -1049,11 +1058,11 @@ struct platform_device *__init at32_add_device_usart(unsigned int id)
return at32_usarts[id];
}
-struct platform_device *atmel_default_console_device;
-
void __init at32_setup_serial_console(unsigned int usart_id)
{
+#ifdef CONFIG_SERIAL_ATMEL
atmel_default_console_device = at32_usarts[usart_id];
+#endif
}
/* --------------------------------------------------------------------
@@ -1061,7 +1070,7 @@ void __init at32_setup_serial_console(unsigned int usart_id)
* -------------------------------------------------------------------- */
#ifdef CONFIG_CPU_AT32AP7000
-static struct eth_platform_data macb0_data;
+static struct macb_platform_data macb0_data;
static struct resource macb0_resource[] = {
PBMEM(0xfff01800),
IRQ(25),
@@ -1070,7 +1079,7 @@ DEFINE_DEV_DATA(macb, 0);
DEV_CLK(hclk, macb0, hsb, 8);
DEV_CLK(pclk, macb0, pbb, 6);
-static struct eth_platform_data macb1_data;
+static struct macb_platform_data macb1_data;
static struct resource macb1_resource[] = {
PBMEM(0xfff01c00),
IRQ(26),
@@ -1080,7 +1089,7 @@ DEV_CLK(hclk, macb1, hsb, 9);
DEV_CLK(pclk, macb1, pbb, 7);
struct platform_device *__init
-at32_add_device_eth(unsigned int id, struct eth_platform_data *data)
+at32_add_device_eth(unsigned int id, struct macb_platform_data *data)
{
struct platform_device *pdev;
u32 pin_mask;
@@ -1157,7 +1166,7 @@ at32_add_device_eth(unsigned int id, struct eth_platform_data *data)
return NULL;
}
- memcpy(pdev->dev.platform_data, data, sizeof(struct eth_platform_data));
+ memcpy(pdev->dev.platform_data, data, sizeof(struct macb_platform_data));
platform_device_register(pdev);
return pdev;
@@ -1181,19 +1190,32 @@ static struct resource atmel_spi1_resource[] = {
DEFINE_DEV(atmel_spi, 1);
DEV_CLK(spi_clk, atmel_spi1, pba, 1);
-static void __init
-at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b,
- unsigned int n, const u8 *pins)
+void __init
+at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b, unsigned int n)
{
+ /*
+ * Manage the chipselects as GPIOs, normally using the same pins
+ * the SPI controller expects; but boards can use other pins.
+ */
+ static u8 __initdata spi_pins[][4] = {
+ { GPIO_PIN_PA(3), GPIO_PIN_PA(4),
+ GPIO_PIN_PA(5), GPIO_PIN_PA(20) },
+ { GPIO_PIN_PB(2), GPIO_PIN_PB(3),
+ GPIO_PIN_PB(4), GPIO_PIN_PA(27) },
+ };
unsigned int pin, mode;
+ /* There are only 2 SPI controllers */
+ if (bus_num > 1)
+ return;
+
for (; n; n--, b++) {
b->bus_num = bus_num;
if (b->chip_select >= 4)
continue;
pin = (unsigned)b->controller_data;
if (!pin) {
- pin = pins[b->chip_select];
+ pin = spi_pins[bus_num][b->chip_select];
b->controller_data = (void *)pin;
}
mode = AT32_GPIOF_OUTPUT;
@@ -1206,16 +1228,6 @@ at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b,
struct platform_device *__init
at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
{
- /*
- * Manage the chipselects as GPIOs, normally using the same pins
- * the SPI controller expects; but boards can use other pins.
- */
- static u8 __initdata spi0_pins[] =
- { GPIO_PIN_PA(3), GPIO_PIN_PA(4),
- GPIO_PIN_PA(5), GPIO_PIN_PA(20), };
- static u8 __initdata spi1_pins[] =
- { GPIO_PIN_PB(2), GPIO_PIN_PB(3),
- GPIO_PIN_PB(4), GPIO_PIN_PA(27), };
struct platform_device *pdev;
u32 pin_mask;
@@ -1228,7 +1240,7 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
select_peripheral(PIOA, (1 << 0), PERIPH_A, AT32_GPIOF_PULLUP);
select_peripheral(PIOA, pin_mask, PERIPH_A, 0);
- at32_spi_setup_slaves(0, b, n, spi0_pins);
+ at32_spi_setup_slaves(0, b, n);
break;
case 1:
@@ -1239,7 +1251,7 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
select_peripheral(PIOB, (1 << 0), PERIPH_B, AT32_GPIOF_PULLUP);
select_peripheral(PIOB, pin_mask, PERIPH_B, 0);
- at32_spi_setup_slaves(1, b, n, spi1_pins);
+ at32_spi_setup_slaves(1, b, n);
break;
default:
@@ -1320,7 +1332,7 @@ struct platform_device *__init
at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
{
struct platform_device *pdev;
- struct dw_dma_slave *dws = &data->dma_slave;
+ struct mci_dma_data *slave;
u32 pioa_mask;
u32 piob_mask;
@@ -1339,16 +1351,21 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
ARRAY_SIZE(atmel_mci0_resource)))
goto fail;
- dws->dma_dev = &dw_dmac0_device.dev;
- dws->reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
- dws->cfg_hi = (DWC_CFGH_SRC_PER(0)
+ slave = kzalloc(sizeof(struct mci_dma_data), GFP_KERNEL);
+ if (!slave)
+ goto fail;
+
+ slave->sdata.dma_dev = &dw_dmac0_device.dev;
+ slave->sdata.cfg_hi = (DWC_CFGH_SRC_PER(0)
| DWC_CFGH_DST_PER(1));
- dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL
+ slave->sdata.cfg_lo &= ~(DWC_CFGL_HS_DST_POL
| DWC_CFGL_HS_SRC_POL);
+ data->dma_slave = slave;
+
if (platform_device_add_data(pdev, data,
sizeof(struct mci_platform_data)))
- goto fail;
+ goto fail_free;
/* CLK line is common to both slots */
pioa_mask = 1 << 10;
@@ -1372,7 +1389,7 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
/* Slot is unused */
break;
default:
- goto fail;
+ goto fail_free;
}
select_peripheral(PIOA, pioa_mask, PERIPH_A, 0);
@@ -1399,7 +1416,7 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
break;
default:
if (!data->slot[0].bus_width)
- goto fail;
+ goto fail_free;
data->slot[1].bus_width = 0;
break;
@@ -1410,7 +1427,10 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
platform_device_add(pdev);
return pdev;
+fail_free:
+ kfree(slave);
fail:
+ data->dma_slave = NULL;
platform_device_put(pdev);
return NULL;
}
@@ -1419,7 +1439,7 @@ fail:
* LCDC
* -------------------------------------------------------------------- */
#if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002)
-static struct atmel_lcdfb_info atmel_lcdfb0_data;
+static struct atmel_lcdfb_pdata atmel_lcdfb0_data;
static struct resource atmel_lcdfb0_resource[] = {
{
.start = 0xff000000,
@@ -1435,7 +1455,7 @@ static struct resource atmel_lcdfb0_resource[] = {
},
};
DEFINE_DEV_DATA(atmel_lcdfb, 0);
-DEV_CLK(hck1, atmel_lcdfb0, hsb, 7);
+DEV_CLK(hclk, atmel_lcdfb0, hsb, 7);
static struct clk atmel_lcdfb0_pixclk = {
.name = "lcdc_clk",
.dev = &atmel_lcdfb0_device.dev,
@@ -1447,12 +1467,12 @@ static struct clk atmel_lcdfb0_pixclk = {
};
struct platform_device *__init
-at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
+at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_pdata *data,
unsigned long fbmem_start, unsigned long fbmem_len,
u64 pin_mask)
{
struct platform_device *pdev;
- struct atmel_lcdfb_info *info;
+ struct atmel_lcdfb_pdata *info;
struct fb_monspecs *monspecs;
struct fb_videomode *modedb;
unsigned int modedb_size;
@@ -1509,9 +1529,11 @@ at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
}
info = pdev->dev.platform_data;
- memcpy(info, data, sizeof(struct atmel_lcdfb_info));
+ memcpy(info, data, sizeof(struct atmel_lcdfb_pdata));
info->default_monspecs = monspecs;
+ pdev->name = "at32ap-lcdfb";
+
platform_device_register(pdev);
return pdev;
@@ -1756,10 +1778,13 @@ at32_add_device_usba(unsigned int id, struct usba_platform_data *data)
ARRAY_SIZE(usba0_resource)))
goto out_free_pdev;
- if (data)
+ if (data) {
usba_data.pdata.vbus_pin = data->vbus_pin;
- else
+ usba_data.pdata.vbus_pin_inverted = data->vbus_pin_inverted;
+ } else {
usba_data.pdata.vbus_pin = -EINVAL;
+ usba_data.pdata.vbus_pin_inverted = -EINVAL;
+ }
data = &usba_data.pdata;
data->num_ep = ARRAY_SIZE(at32_usba_ep);
@@ -1958,6 +1983,9 @@ at32_add_device_nand(unsigned int id, struct atmel_nand_data *data)
ARRAY_SIZE(smc_cs3_resource)))
goto fail;
+ /* For at32ap7000, we use the reset workaround for nand driver */
+ data->need_reset_workaround = true;
+
if (platform_device_add_data(pdev, data,
sizeof(struct atmel_nand_data)))
goto fail;
@@ -2027,17 +2055,19 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
/* Check if DMA slave interface for capture should be configured. */
if (flags & AC97C_CAPTURE) {
rx_dws->dma_dev = &dw_dmac0_device.dev;
- rx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
rx_dws->cfg_hi = DWC_CFGH_SRC_PER(3);
rx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+ rx_dws->src_master = 0;
+ rx_dws->dst_master = 1;
}
/* Check if DMA slave interface for playback should be configured. */
if (flags & AC97C_PLAYBACK) {
tx_dws->dma_dev = &dw_dmac0_device.dev;
- tx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
tx_dws->cfg_hi = DWC_CFGH_DST_PER(4);
tx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+ tx_dws->src_master = 0;
+ tx_dws->dst_master = 1;
}
if (platform_device_add_data(pdev, data,
@@ -2107,9 +2137,10 @@ at32_add_device_abdac(unsigned int id, struct atmel_abdac_pdata *data)
dws = &data->dws;
dws->dma_dev = &dw_dmac0_device.dev;
- dws->reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
dws->cfg_hi = DWC_CFGH_DST_PER(2);
dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+ dws->src_master = 0;
+ dws->dst_master = 1;
if (platform_device_add_data(pdev, data,
sizeof(struct atmel_abdac_pdata)))
@@ -2222,7 +2253,7 @@ static __initdata struct clk *init_clocks[] = {
&atmel_twi0_pclk,
&atmel_mci0_pclk,
#if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002)
- &atmel_lcdfb0_hck1,
+ &atmel_lcdfb0_hclk,
&atmel_lcdfb0_pixclk,
#endif
&ssc0_pclk,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2026-01-09 04:02:40 +0000