linux-ezx: improve rokre6 support

1 files changed, 83 insertions, 0 deletions

diff --git a/packages/linux/linux-ezx-2.6.21/patches/e6-pcap.patch b/packages/linux/linux-ezx-2.6.21/patches/e6-pcap.patch
new file mode 100644
index 0000000000..a11adbc02e
--- /dev/null
+++ b/packages/linux/linux-ezx-2.6.21/patches/e6-pcap.patch
@@ -0,0 +1,83 @@
+Index: linux-2.6.21/arch/arm/mach-pxa/ezx-e6.c
+===================================================================
+--- linux-2.6.21.orig/arch/arm/mach-pxa/ezx-e6.c	2007-09-07 11:32:32.000000000 -0300
++++ linux-2.6.21/arch/arm/mach-pxa/ezx-e6.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 e6_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 e6_pcap_platform_data = {
++	.port		= 1,
++	.cs		= GPIO_SPI_CE,
++	.flags		= PCAP_CS_AH | PCAP_MCI_SD,
++	.clk		= 1,
++	.init		= e6_pcap_init,
++};
++
++static struct resource e6_pcap_resources[] = {
++	[0] = {
++		.start		= IRQ_GPIO1,
++		.end		= IRQ_GPIO1,
++		.flags		= IORESOURCE_IRQ,
++	},
++};
++
++struct platform_device e6_pcap_device = {
++	.name		= "ezx-pcap",
++	.id		= -1,
++	.num_resources	= ARRAY_SIZE(e6_pcap_resources),
++	.resource	= e6_pcap_resources,
++	.dev		= {
++		.platform_data = &e6_pcap_platform_data,
++	},
++};
++
+ static struct platform_device *devices[] __initdata = {
++	&e6_pcap_device,
+ };
+ 
+ static void __init e6_init(void)