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path: root/packages/linux/linux-ezx-2.6.21/patches/a1200-pcap.patch
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Index: linux-2.6.21/arch/arm/mach-pxa/ezx-a1200.c
===================================================================
--- linux-2.6.21.orig/arch/arm/mach-pxa/ezx-a1200.c	2007-09-07 11:32:32.000000000 -0300
+++ linux-2.6.21/arch/arm/mach-pxa/ezx-a1200.c	2007-09-07 11:51:55.000000000 -0300
@@ -19,6 +19,7 @@
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/pxafb.h>
 #include <asm/arch/ezx.h>
+#include <asm/arch/ezx-pcap.h>
 
 #include "generic.h"
 
@@ -48,7 +49,70 @@
        .pxafb_lcd_power = &ezx_lcd_power,
 };
 
+/* PCAP */
+static int __init a1200_pcap_init(void)
+{
+	/*
+	 * FIXME: this is the PCAP INITIAL STATE.
+	 * most of these writes should NOT be done here
+	 * * voltage regulators, voltage enablers should be set by the
+	 *   driver which uses the connected hardware. Otherwise you
+	 *   drain power unnecessarily.
+	 * * interrupt related registers should be set by the irq functions
+	 *   only. I think that the INT_SEL register selects on which irq
+	 *   pin the (ap/bp) the irq goes. This should go on ezx-pcap.c, but
+	 *   only if it actually makes any difference.
+	 * * Only power state automatic changes should be done here.
+	 *   (*LOWPWR, *STBY, LOWPWR*)
+	 * * I removed some writes which i consider extremelly wrong. And
+	 *   which i think will not break anything (they were overwritten
+	 *   later anyway).
+	 *
+	 *   --WM
+	 */
+	ezx_pcap_write(PCAP_REG_INT_SEL, 0x0); /* wrong */
+	ezx_pcap_write(PCAP_REG_SWCTRL, 0x2ee6); /* partially wrong */
+	ezx_pcap_write(PCAP_REG_VREG1, 0x15778e3); /* wrong */
+	ezx_pcap_write(PCAP_REG_VREG2, 0x810234); /* partially wrong */
+	ezx_pcap_write(PCAP_REG_AUXVREG, 0x1024bec); /* wrong */
+	ezx_pcap_write(PCAP_REG_PWR, 0x94108); /* partially wrong */
+	ezx_pcap_write(PCAP_REG_AUXVREG_MASK, 0x214d48); /* wrong */
+	ezx_pcap_write(PCAP_REG_BUSCTRL, 0x2a0); /* wrong */
+	ezx_pcap_write(PCAP_REG_LOWPWR, 0x1d9610c);
+	ezx_pcap_write(PCAP_REG_PERIPH, 0x0); /* wrong */
+	ezx_pcap_write(PCAP_REG_GP, 0x107); /* probably unnecessary */
+
+	return 0;
+}
+
+static struct pcap_platform_data a1200_pcap_platform_data = {
+	.port		= 1,
+	.cs		= GPIO_SPI_CE,
+	.flags		= PCAP_CS_AH | PCAP_MCI_TF,
+	.clk		= 1,
+	.init		= a1200_pcap_init,
+};
+
+static struct resource a1200_pcap_resources[] = {
+	[0] = {
+		.start		= IRQ_GPIO1,
+		.end		= IRQ_GPIO1,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device a1200_pcap_device = {
+	.name		= "ezx-pcap",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(a1200_pcap_resources),
+	.resource	= a1200_pcap_resources,
+	.dev		= {
+		.platform_data = &a1200_pcap_platform_data,
+	},
+};
+
 static struct platform_device *devices[] __initdata = {
+	&a1200_pcap_device,
 };
 
 static void __init a1200_init(void)