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Diffstat (limited to 'arch/arm/mach-pxa/balloon3.c')
-rw-r--r--arch/arm/mach-pxa/balloon3.c232
1 files changed, 137 insertions, 95 deletions
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index 9041340fee1..43596e0ed05 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -13,9 +13,9 @@
* published by the Free Software Foundation.
*/
+#include <linux/export.h>
#include <linux/init.h>
#include <linux/platform_device.h>
-#include <linux/sysdev.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/bitops.h>
@@ -27,6 +27,7 @@
#include <linux/mtd/partitions.h>
#include <linux/types.h>
#include <linux/i2c/pcf857x.h>
+#include <linux/i2c/pxa-i2c.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/physmap.h>
#include <linux/regulator/max1586.h>
@@ -44,14 +45,12 @@
#include <mach/pxa27x.h>
#include <mach/balloon3.h>
#include <mach/audio.h>
-#include <mach/pxafb.h>
-#include <mach/mmc.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/mmc-pxamci.h>
#include <mach/udc.h>
#include <mach/pxa27x-udc.h>
-#include <mach/irda.h>
-#include <mach/ohci.h>
-
-#include <plat/i2c.h>
+#include <linux/platform_data/irda-pxaficp.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
#include "generic.h"
#include "devices.h"
@@ -68,42 +67,6 @@ static unsigned long balloon3_pin_config[] __initdata = {
/* Reset, configured as GPIO wakeup source */
GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
-
- /* LEDs */
- GPIO9_GPIO, /* NAND activity LED */
- GPIO10_GPIO, /* Heartbeat LED */
-
- /* AC97 */
- GPIO28_AC97_BITCLK,
- GPIO29_AC97_SDATA_IN_0,
- GPIO30_AC97_SDATA_OUT,
- GPIO31_AC97_SYNC,
- GPIO113_AC97_nRESET,
- GPIO95_GPIO,
-
- /* MMC */
- GPIO32_MMC_CLK,
- GPIO92_MMC_DAT_0,
- GPIO109_MMC_DAT_1,
- GPIO110_MMC_DAT_2,
- GPIO111_MMC_DAT_3,
- GPIO112_MMC_CMD,
-
- /* USB Host */
- GPIO88_USBH1_PWR,
- GPIO89_USBH1_PEN,
-
- /* PC Card */
- GPIO48_nPOE,
- GPIO49_nPWE,
- GPIO50_nPIOR,
- GPIO51_nPIOW,
- GPIO85_nPCE_1,
- GPIO54_nPCE_2,
- GPIO79_PSKTSEL,
- GPIO55_nPREG,
- GPIO56_nPWAIT,
- GPIO57_nIOIS16,
};
/******************************************************************************
@@ -132,6 +95,34 @@ int __init parse_balloon3_features(char *arg)
early_param("balloon3_features", parse_balloon3_features);
/******************************************************************************
+ * Compact Flash slot
+ ******************************************************************************/
+#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
+static unsigned long balloon3_cf_pin_config[] __initdata = {
+ GPIO48_nPOE,
+ GPIO49_nPWE,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO85_nPCE_1,
+ GPIO54_nPCE_2,
+ GPIO79_PSKTSEL,
+ GPIO55_nPREG,
+ GPIO56_nPWAIT,
+ GPIO57_nIOIS16,
+};
+
+static void __init balloon3_cf_init(void)
+{
+ if (!balloon3_has(BALLOON3_FEATURE_CF))
+ return;
+
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_cf_pin_config));
+}
+#else
+static inline void balloon3_cf_init(void) {}
+#endif
+
+/******************************************************************************
* NOR Flash
******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
@@ -179,8 +170,17 @@ static inline void balloon3_nor_init(void) {}
******************************************************************************/
#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
+static unsigned long balloon3_ac97_pin_config[] __initdata = {
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+ GPIO113_AC97_nRESET,
+ GPIO95_GPIO,
+};
+
static struct ucb1400_pdata vpac270_ucb1400_pdata = {
- .irq = IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ),
+ .irq = PXA_GPIO_TO_IRQ(BALLOON3_GPIO_CODEC_IRQ),
};
@@ -197,6 +197,7 @@ static void __init balloon3_ts_init(void)
if (!balloon3_has(BALLOON3_FEATURE_AUDIO))
return;
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ac97_pin_config));
pxa_set_ac97_info(NULL);
platform_device_register(&balloon3_ucb1400_device);
}
@@ -208,6 +209,11 @@ static inline void balloon3_ts_init(void) {}
* Framebuffer
******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static unsigned long balloon3_lcd_pin_config[] __initdata = {
+ GPIOxx_LCD_TFT_16BPP,
+ GPIO99_GPIO,
+};
+
static struct pxafb_mode_info balloon3_lcd_modes[] = {
{
.pixclock = 38000,
@@ -242,6 +248,8 @@ static void __init balloon3_lcd_init(void)
if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY))
return;
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config));
+
ret = gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, "BKL-ON");
if (ret) {
pr_err("Requesting BKL-ON GPIO failed!\n");
@@ -255,7 +263,7 @@ static void __init balloon3_lcd_init(void)
}
balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power;
- set_pxa_fb_info(&balloon3_lcd_screen);
+ pxa_set_fb_info(NULL, &balloon3_lcd_screen);
return;
err2:
@@ -271,6 +279,15 @@ static inline void balloon3_lcd_init(void) {}
* SD/MMC card controller
******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
+static unsigned long balloon3_mmc_pin_config[] __initdata = {
+ GPIO32_MMC_CLK,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+};
+
static struct pxamci_platform_data balloon3_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.gpio_card_detect = -1,
@@ -281,6 +298,7 @@ static struct pxamci_platform_data balloon3_mci_platform_data = {
static void __init balloon3_mmc_init(void)
{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config));
pxa_set_mci_info(&balloon3_mci_platform_data);
}
#else
@@ -290,7 +308,7 @@ static inline void balloon3_mmc_init(void) {}
/******************************************************************************
* USB Gadget
******************************************************************************/
-#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
static void balloon3_udc_command(int cmd)
{
if (cmd == PXA2XX_UDC_CMD_CONNECT)
@@ -313,7 +331,6 @@ static struct pxa2xx_udc_mach_info balloon3_udc_info __initdata = {
static void __init balloon3_udc_init(void)
{
pxa_set_udc_info(&balloon3_udc_info);
- platform_device_register(&balloon3_gpio_vbus);
}
#else
static inline void balloon3_udc_init(void) {}
@@ -339,6 +356,11 @@ static inline void balloon3_irda_init(void) {}
* USB Host
******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static unsigned long balloon3_uhc_pin_config[] __initdata = {
+ GPIO88_USBH1_PWR,
+ GPIO89_USBH1_PEN,
+};
+
static struct pxaohci_platform_data balloon3_ohci_info = {
.port_mode = PMM_PERPORT_MODE,
.flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
@@ -348,6 +370,7 @@ static void __init balloon3_uhc_init(void)
{
if (!balloon3_has(BALLOON3_FEATURE_OHCI))
return;
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_uhc_pin_config));
pxa_set_ohci_info(&balloon3_ohci_info);
}
#else
@@ -358,6 +381,11 @@ static inline void balloon3_uhc_init(void) {}
* LEDs
******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+static unsigned long balloon3_led_pin_config[] __initdata = {
+ GPIO9_GPIO, /* NAND activity LED */
+ GPIO10_GPIO, /* Heartbeat LED */
+};
+
struct gpio_led balloon3_gpio_leds[] = {
{
.name = "balloon3:green:idle",
@@ -436,6 +464,7 @@ static struct platform_device balloon3_pcf_leds = {
static void __init balloon3_leds_init(void)
{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_led_pin_config));
platform_device_register(&balloon3_leds);
platform_device_register(&balloon3_pcf_leds);
}
@@ -446,25 +475,25 @@ static inline void balloon3_leds_init(void) {}
/******************************************************************************
* FPGA IRQ
******************************************************************************/
-static void balloon3_mask_irq(unsigned int irq)
+static void balloon3_mask_irq(struct irq_data *d)
{
- int balloon3_irq = (irq - BALLOON3_IRQ(0));
+ int balloon3_irq = (d->irq - BALLOON3_IRQ(0));
balloon3_irq_enabled &= ~(1 << balloon3_irq);
__raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
}
-static void balloon3_unmask_irq(unsigned int irq)
+static void balloon3_unmask_irq(struct irq_data *d)
{
- int balloon3_irq = (irq - BALLOON3_IRQ(0));
+ int balloon3_irq = (d->irq - BALLOON3_IRQ(0));
balloon3_irq_enabled |= (1 << balloon3_irq);
__raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
}
static struct irq_chip balloon3_irq_chip = {
.name = "FPGA",
- .ack = balloon3_mask_irq,
- .mask = balloon3_mask_irq,
- .unmask = balloon3_unmask_irq,
+ .irq_ack = balloon3_mask_irq,
+ .irq_mask = balloon3_mask_irq,
+ .irq_unmask = balloon3_unmask_irq,
};
static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
@@ -473,8 +502,13 @@ static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
balloon3_irq_enabled;
do {
/* clear useless edge notification */
- if (desc->chip->ack)
- desc->chip->ack(BALLOON3_AUX_NIRQ);
+ if (desc->irq_data.chip->irq_ack) {
+ struct irq_data *d;
+
+ d = irq_get_irq_data(BALLOON3_AUX_NIRQ);
+ desc->irq_data.chip->irq_ack(d);
+ }
+
while (pending) {
irq = BALLOON3_IRQ(0) + __ffs(pending);
generic_handle_irq(irq);
@@ -492,13 +526,13 @@ static void __init balloon3_init_irq(void)
pxa27x_init_irq();
/* setup extra Balloon3 irqs */
for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) {
- set_irq_chip(irq, &balloon3_irq_chip);
- set_irq_handler(irq, handle_level_irq);
+ irq_set_chip_and_handler(irq, &balloon3_irq_chip,
+ handle_level_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
- set_irq_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler);
- set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING);
+ irq_set_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler);
+ irq_set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING);
pr_debug("%s: chained handler installed - irq %d automatically "
"enabled\n", __func__, BALLOON3_AUX_NIRQ);
@@ -536,27 +570,29 @@ static inline void balloon3_i2c_init(void) {}
* NAND
******************************************************************************/
#if defined(CONFIG_MTD_NAND_PLATFORM)||defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
-static uint16_t balloon3_ctl =
- BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 |
- BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3 |
- BALLOON3_NAND_CONTROL_FLWP;
-
static void balloon3_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
struct nand_chip *this = mtd->priv;
+ uint8_t balloon3_ctl_set = 0, balloon3_ctl_clr = 0;
if (ctrl & NAND_CTRL_CHANGE) {
if (ctrl & NAND_CLE)
- balloon3_ctl |= BALLOON3_NAND_CONTROL_FLCLE;
+ balloon3_ctl_set |= BALLOON3_NAND_CONTROL_FLCLE;
else
- balloon3_ctl &= ~BALLOON3_NAND_CONTROL_FLCLE;
+ balloon3_ctl_clr |= BALLOON3_NAND_CONTROL_FLCLE;
if (ctrl & NAND_ALE)
- balloon3_ctl |= BALLOON3_NAND_CONTROL_FLALE;
+ balloon3_ctl_set |= BALLOON3_NAND_CONTROL_FLALE;
else
- balloon3_ctl &= ~BALLOON3_NAND_CONTROL_FLALE;
-
- __raw_writel(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
+ balloon3_ctl_clr |= BALLOON3_NAND_CONTROL_FLALE;
+
+ if (balloon3_ctl_clr)
+ __raw_writel(balloon3_ctl_clr,
+ BALLOON3_NAND_CONTROL_REG);
+ if (balloon3_ctl_set)
+ __raw_writel(balloon3_ctl_set,
+ BALLOON3_NAND_CONTROL_REG +
+ BALLOON3_FPGA_SETnCLR);
}
if (cmd != NAND_CMD_NONE)
@@ -568,28 +604,33 @@ static void balloon3_nand_select_chip(struct mtd_info *mtd, int chip)
if (chip < 0 || chip > 3)
return;
- balloon3_ctl |= BALLOON3_NAND_CONTROL_FLCE0 |
- BALLOON3_NAND_CONTROL_FLCE1 |
- BALLOON3_NAND_CONTROL_FLCE2 |
- BALLOON3_NAND_CONTROL_FLCE3;
+ /* Assert all nCE lines */
+ __raw_writew(
+ BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 |
+ BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3,
+ BALLOON3_NAND_CONTROL_REG + BALLOON3_FPGA_SETnCLR);
/* Deassert correct nCE line */
- balloon3_ctl &= ~(BALLOON3_NAND_CONTROL_FLCE0 << chip);
+ __raw_writew(BALLOON3_NAND_CONTROL_FLCE0 << chip,
+ BALLOON3_NAND_CONTROL_REG);
+}
- __raw_writew(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
+static int balloon3_nand_dev_ready(struct mtd_info *mtd)
+{
+ return __raw_readl(BALLOON3_NAND_STAT_REG) & BALLOON3_NAND_STAT_RNB;
}
static int balloon3_nand_probe(struct platform_device *pdev)
{
- void __iomem *temp_map;
uint16_t ver;
int ret;
- __raw_writew(BALLOON3_NAND_CONTROL2_16BIT, BALLOON3_NAND_CONTROL2_REG);
+ __raw_writew(BALLOON3_NAND_CONTROL2_16BIT,
+ BALLOON3_NAND_CONTROL2_REG + BALLOON3_FPGA_SETnCLR);
ver = __raw_readw(BALLOON3_FPGA_VER);
- if (ver > 0x0201)
- pr_warn("The FPGA code, version 0x%04x, is newer than rel-0.3. "
+ if (ver < 0x4f08)
+ pr_warn("The FPGA code, version 0x%04x, is too old. "
"NAND support might be broken in this version!", ver);
/* Power up the NAND chips */
@@ -604,7 +645,11 @@ static int balloon3_nand_probe(struct platform_device *pdev)
gpio_set_value(BALLOON3_GPIO_RUN_NAND, 1);
/* Deassert all nCE lines and write protect line */
- __raw_writel(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
+ __raw_writel(
+ BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 |
+ BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3 |
+ BALLOON3_NAND_CONTROL_FLWP,
+ BALLOON3_NAND_CONTROL_REG + BALLOON3_FPGA_SETnCLR);
return 0;
err2:
@@ -633,8 +678,6 @@ static struct mtd_partition balloon3_partition_info[] = {
},
};
-static const char *balloon3_part_probes[] = { "cmdlinepart", NULL };
-
struct platform_nand_data balloon3_nand_pdata = {
.chip = {
.nr_chips = 4,
@@ -642,11 +685,10 @@ struct platform_nand_data balloon3_nand_pdata = {
.nr_partitions = ARRAY_SIZE(balloon3_partition_info),
.partitions = balloon3_partition_info,
.chip_delay = 50,
- .part_probe_types = balloon3_part_probes,
},
.ctrl = {
.hwcontrol = 0,
- .dev_ready = 0,
+ .dev_ready = balloon3_nand_dev_ready,
.select_chip = balloon3_nand_select_chip,
.cmd_ctrl = balloon3_nand_cmd_ctl,
.probe = balloon3_nand_probe,
@@ -686,9 +728,7 @@ static inline void balloon3_nand_init(void) {}
#if defined(CONFIG_REGULATOR_MAX1586) || \
defined(CONFIG_REGULATOR_MAX1586_MODULE)
static struct regulator_consumer_supply balloon3_max1587a_consumers[] = {
- {
- .supply = "vcc_core",
- }
+ REGULATOR_SUPPLY("vcc_core", NULL),
};
static struct regulator_init_data balloon3_max1587a_v3_info = {
@@ -757,11 +797,12 @@ static void __init balloon3_init(void)
balloon3_ts_init();
balloon3_udc_init();
balloon3_uhc_init();
+ balloon3_cf_init();
}
static struct map_desc balloon3_io_desc[] __initdata = {
{ /* CPLD/FPGA */
- .virtual = BALLOON3_FPGA_VIRT,
+ .virtual = (unsigned long)BALLOON3_FPGA_VIRT,
.pfn = __phys_to_pfn(BALLOON3_FPGA_PHYS),
.length = BALLOON3_FPGA_LENGTH,
.type = MT_DEVICE,
@@ -770,17 +811,18 @@ static struct map_desc balloon3_io_desc[] __initdata = {
static void __init balloon3_map_io(void)
{
- pxa_map_io();
+ pxa27x_map_io();
iotable_init(balloon3_io_desc, ARRAY_SIZE(balloon3_io_desc));
}
MACHINE_START(BALLOON3, "Balloon3")
/* Maintainer: Nick Bane. */
- .phys_io = 0x40000000,
- .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.map_io = balloon3_map_io,
+ .nr_irqs = BALLOON3_NR_IRQS,
.init_irq = balloon3_init_irq,
- .timer = &pxa_timer,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
.init_machine = balloon3_init,
- .boot_params = PHYS_OFFSET + 0x100,
+ .atag_offset = 0x100,
+ .restart = pxa_restart,
MACHINE_END
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2026-01-09 08:18:15 +0000