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Diffstat (limited to 'arch/avr32/mach-at32ap/at32ap700x.c')
-rw-r--r--arch/avr32/mach-at32ap/at32ap700x.c309
1 files changed, 238 insertions, 71 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 0f24b4f85c1..604f44f5dd1 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -7,6 +7,7 @@
*/
#include <linux/clk.h>
#include <linux/delay.h>
+#include <linux/dw_dmac.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/platform_device.h>
@@ -14,12 +15,14 @@
#include <linux/spi/spi.h>
#include <linux/usb/atmel_usba_udc.h>
+#include <asm/atmel-mci.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/arch/at32ap700x.h>
#include <asm/arch/board.h>
#include <asm/arch/portmux.h>
+#include <asm/arch/sram.h>
#include <video/atmel_lcdc.h>
@@ -93,19 +96,12 @@ 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)
@@ -599,6 +595,17 @@ static void __init genclk_init_parent(struct clk *clk)
clk->parent = parent;
}
+static struct dw_dma_platform_data dw_dmac0_data = {
+ .nr_channels = 3,
+};
+
+static struct resource dw_dmac0_resource[] = {
+ PBMEM(0xff200000),
+ IRQ(2),
+};
+DEFINE_DEV_DATA(dw_dmac, 0);
+DEV_CLK(hclk, dw_dmac0, hsb, 10);
+
/* --------------------------------------------------------------------
* System peripherals
* -------------------------------------------------------------------- */
@@ -682,6 +689,14 @@ static struct clk hramc_clk = {
.users = 1,
.index = 3,
};
+static struct clk sdramc_clk = {
+ .name = "sdramc_clk",
+ .parent = &pbb_clk,
+ .mode = pbb_clk_mode,
+ .get_rate = pbb_clk_get_rate,
+ .users = 1,
+ .index = 14,
+};
static struct resource smc0_resource[] = {
PBMEM(0xfff03400),
@@ -705,17 +720,6 @@ 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
* -------------------------------------------------------------------- */
@@ -828,7 +832,7 @@ 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(&dw_dmac0_device);
platform_device_register(&at32_tcb0_device);
platform_device_register(&at32_tcb1_device);
@@ -841,6 +845,81 @@ 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
* -------------------------------------------------------------------- */
@@ -1113,7 +1192,8 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
switch (id) {
case 0:
pdev = &atmel_spi0_device;
- select_peripheral(PA(0), PERIPH_A, 0); /* MISO */
+ /* pullup MISO so a level is always defined */
+ select_peripheral(PA(0), PERIPH_A, AT32_GPIOF_PULLUP);
select_peripheral(PA(1), PERIPH_A, 0); /* MOSI */
select_peripheral(PA(2), PERIPH_A, 0); /* SCK */
at32_spi_setup_slaves(0, b, n, spi0_pins);
@@ -1121,7 +1201,8 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
case 1:
pdev = &atmel_spi1_device;
- select_peripheral(PB(0), PERIPH_B, 0); /* MISO */
+ /* pullup MISO so a level is always defined */
+ select_peripheral(PB(0), PERIPH_B, AT32_GPIOF_PULLUP);
select_peripheral(PB(1), PERIPH_B, 0); /* MOSI */
select_peripheral(PB(5), PERIPH_B, 0); /* SCK */
at32_spi_setup_slaves(1, b, n, spi1_pins);
@@ -1199,20 +1280,32 @@ static struct clk atmel_mci0_pclk = {
.index = 9,
};
-struct platform_device *__init at32_add_device_mci(unsigned int id)
+struct platform_device *__init
+at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
{
- struct platform_device *pdev;
+ struct mci_platform_data _data;
+ struct platform_device *pdev;
+ struct dw_dma_slave *dws;
if (id != 0)
return NULL;
pdev = platform_device_alloc("atmel_mci", id);
if (!pdev)
- return NULL;
+ goto fail;
if (platform_device_add_resources(pdev, atmel_mci0_resource,
ARRAY_SIZE(atmel_mci0_resource)))
- goto err_add_resources;
+ goto fail;
+
+ if (!data) {
+ data = &_data;
+ memset(data, 0, sizeof(struct mci_platform_data));
+ }
+
+ if (platform_device_add_data(pdev, data,
+ sizeof(struct mci_platform_data)))
+ goto fail;
select_peripheral(PA(10), PERIPH_A, 0); /* CLK */
select_peripheral(PA(11), PERIPH_A, 0); /* CMD */
@@ -1221,12 +1314,19 @@ struct platform_device *__init at32_add_device_mci(unsigned int id)
select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */
select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */
+ if (data) {
+ if (data->detect_pin != GPIO_PIN_NONE)
+ at32_select_gpio(data->detect_pin, 0);
+ if (data->wp_pin != GPIO_PIN_NONE)
+ at32_select_gpio(data->wp_pin, 0);
+ }
+
atmel_mci0_pclk.dev = &pdev->dev;
platform_device_add(pdev);
return pdev;
-err_add_resources:
+fail:
platform_device_put(pdev);
return NULL;
}
@@ -1264,7 +1364,8 @@ 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 +1392,77 @@ 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));
@@ -1360,7 +1501,7 @@ static struct resource atmel_pwm0_resource[] __initdata = {
IRQ(24),
};
static struct clk atmel_pwm0_mck = {
- .name = "mck",
+ .name = "pwm_clk",
.parent = &pbb_clk,
.mode = pbb_clk_mode,
.get_rate = pbb_clk_get_rate,
@@ -1887,11 +2028,12 @@ struct clk *at32_clock_list[] = {
&hmatrix_clk,
&ebi_clk,
&hramc_clk,
+ &sdramc_clk,
&smc0_pclk,
&smc0_mck,
&pdc_hclk,
&pdc_pclk,
- &dmaca0_hclk,
+ &dw_dmac0_hclk,
&pico_clk,
&pio0_mck,
&pio1_mck,
@@ -1900,6 +2042,8 @@ 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,
@@ -1935,16 +2079,7 @@ struct clk *at32_clock_list[] = {
};
unsigned int at32_nr_clocks = ARRAY_SIZE(at32_clock_list);
-void __init at32_portmux_init(void)
-{
- at32_init_pio(&pio0_device);
- at32_init_pio(&pio1_device);
- at32_init_pio(&pio2_device);
- at32_init_pio(&pio3_device);
- at32_init_pio(&pio4_device);
-}
-
-void __init at32_clock_init(void)
+void __init setup_platform(void)
{
u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0;
int i;
@@ -1999,4 +2134,36 @@ void __init at32_clock_init(void)
pm_writel(HSB_MASK, hsb_mask);
pm_writel(PBA_MASK, pba_mask);
pm_writel(PBB_MASK, pbb_mask);
+
+ /* Initialize the port muxes */
+ at32_init_pio(&pio0_device);
+ at32_init_pio(&pio1_device);
+ at32_init_pio(&pio2_device);
+ at32_init_pio(&pio3_device);
+ at32_init_pio(&pio4_device);
+}
+
+struct gen_pool *sram_pool;
+
+static int __init sram_init(void)
+{
+ struct gen_pool *pool;
+
+ /* 1KiB granularity */
+ pool = gen_pool_create(10, -1);
+ if (!pool)
+ goto fail;
+
+ if (gen_pool_add(pool, 0x24000000, 0x8000, -1))
+ goto err_pool_add;
+
+ sram_pool = pool;
+ return 0;
+
+err_pool_add:
+ gen_pool_destroy(pool);
+fail:
+ pr_err("Failed to create SRAM pool\n");
+ return -ENOMEM;
}
+core_initcall(sram_init);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 16:40:54 +0000