* 2001-09-13: Cliff Brake <cbrake@accelent.com>
* Initial code
*
- * Expected command line: mem=32M initrd=0xa1000000,4M root=/dev/ram ramdisk=8192
+ * 2005-02-15: Cliff Brake <cliff.brake@gmail.com>
+ * <http://www.vibren.com> <http://bec-systems.com>
+ * Updated for 2.6 kernel
+ *
*/
-#include <linux/kernel.h>
+
#include <linux/init.h>
-#include <linux/major.h>
-#include <linux/fs.h>
#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/fb.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/idp.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/bitfield.h>
+#include <asm/arch/mmc.h>
#include "generic.h"
-#ifndef PXA_IDP_REV02
-/* shadow registers for write only registers */
-unsigned int idp_cpld_led_control_shadow = 0x1;
-unsigned int idp_cpld_periph_pwr_shadow = 0xd;
-unsigned int ipd_cpld_cir_shadow = 0;
-unsigned int idp_cpld_kb_col_high_shadow = 0;
-unsigned int idp_cpld_kb_col_low_shadow = 0;
-unsigned int idp_cpld_pccard_en_shadow = 0xC3;
-unsigned int idp_cpld_gpioh_dir_shadow = 0;
-unsigned int idp_cpld_gpioh_value_shadow = 0;
-unsigned int idp_cpld_gpiol_dir_shadow = 0;
-unsigned int idp_cpld_gpiol_value_shadow = 0;
-
-/*
- * enable all LCD signals -- they should still be on
- * write protect flash
- * enable all serial port transceivers
+/* TODO:
+ * - add pxa2xx_audio_ops_t device structure
+ * - Ethernet interrupt
*/
-unsigned int idp_control_port_shadow = ((0x7 << 21) | /* LCD power */
- (0x1 << 19) | /* disable flash write enable */
- (0x7 << 9)); /* enable serial port transeivers */
+static struct resource smc91x_resources[] = {
+ [0] = {
+ .start = (IDP_ETH_PHYS + 0x300),
+ .end = (IDP_ETH_PHYS + 0xfffff),
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_GPIO(4),
+ .end = IRQ_GPIO(4),
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device smc91x_device = {
+ .name = "smc91x",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(smc91x_resources),
+ .resource = smc91x_resources,
+};
+
+static void idp_backlight_power(int on)
+{
+ if (on) {
+ IDP_CPLD_LCD |= (1<<1);
+ } else {
+ IDP_CPLD_LCD &= ~(1<<1);
+ }
+}
+
+static void idp_vlcd(int on)
+{
+ if (on) {
+ IDP_CPLD_LCD |= (1<<2);
+ } else {
+ IDP_CPLD_LCD &= ~(1<<2);
+ }
+}
+
+static void idp_lcd_power(int on)
+{
+ if (on) {
+ IDP_CPLD_LCD |= (1<<0);
+ } else {
+ IDP_CPLD_LCD &= ~(1<<0);
+ }
+
+ /* call idp_vlcd for now as core driver does not support
+ * both power and vlcd hooks. Note, this is not technically
+ * the correct sequence, but seems to work. Disclaimer:
+ * this may eventually damage the display.
+ */
+
+ idp_vlcd(on);
+}
+
+static struct pxafb_mach_info sharp_lm8v31 __initdata = {
+ .pixclock = 270000,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 1,
+ .left_margin = 3,
+ .right_margin = 3,
+ .vsync_len = 1,
+ .upper_margin = 0,
+ .lower_margin = 0,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .cmap_greyscale = 0,
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+ .lccr0 = LCCR0_SDS,
+ .lccr3 = LCCR3_PCP | LCCR3_Acb(255),
+ .pxafb_backlight_power = &idp_backlight_power,
+ .pxafb_lcd_power = &idp_lcd_power
+};
-#endif
+static int idp_mci_init(struct device *dev, irqreturn_t (*idp_detect_int)(int, void *, struct pt_regs *), void *data)
+{
+ /* setup GPIO for PXA25x MMC controller */
+ pxa_gpio_mode(GPIO6_MMCCLK_MD);
+ pxa_gpio_mode(GPIO8_MMCCS0_MD);
+
+ return 0;
+}
+
+static struct pxamci_platform_data idp_mci_platform_data = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .init = idp_mci_init,
+};
static void __init idp_init(void)
{
printk("idp_init()\n");
+
+ platform_device_register(&smc91x_device);
+ //platform_device_register(&mst_audio_device);
+ set_pxa_fb_info(&sharp_lm8v31);
+ pxa_set_mci_info(&idp_mci_platform_data);
}
static void __init idp_init_irq(void)
{
+
pxa_init_irq();
+
+ set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
}
static struct map_desc idp_io_desc[] __initdata = {
/* virtual physical length type */
-
-#ifndef PXA_IDP_REV02
- { IDP_CTRL_PORT_BASE,
- IDP_CTRL_PORT_PHYS,
- IDP_CTRL_PORT_SIZE,
- MT_DEVICE },
-#endif
-
- { IDP_IDE_BASE,
- IDP_IDE_PHYS,
- IDP_IDE_SIZE,
- MT_DEVICE },
- { IDP_ETH_BASE,
- IDP_ETH_PHYS,
- IDP_ETH_SIZE,
- MT_DEVICE },
- { IDP_COREVOLT_BASE,
+ { IDP_COREVOLT_VIRT,
IDP_COREVOLT_PHYS,
IDP_COREVOLT_SIZE,
MT_DEVICE },
- { IDP_CPLD_BASE,
+ { IDP_CPLD_VIRT,
IDP_CPLD_PHYS,
IDP_CPLD_SIZE,
MT_DEVICE }
pxa_map_io();
iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
- set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
-
// serial ports 2 & 3
pxa_gpio_mode(GPIO42_BTRXD_MD);
pxa_gpio_mode(GPIO43_BTTXD_MD);
}
-MACHINE_START(PXA_IDP, "Accelent Xscale IDP")
- MAINTAINER("Accelent Systems Inc.")
+MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
+ MAINTAINER("Vibren Technologies")
BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000))
MAPIO(idp_map_io)
INITIRQ(idp_init_irq)
git://git.onelab.eu / linux-2.6.git / blobdiff