diff options
Diffstat (limited to 'packages/linux/linux-ezx-2.6.21/patches/a1200-pcap.patch')
| -rw-r--r-- | packages/linux/linux-ezx-2.6.21/patches/a1200-pcap.patch | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx-2.6.21/patches/a1200-pcap.patch b/packages/linux/linux-ezx-2.6.21/patches/a1200-pcap.patch new file mode 100644 index 0000000000..8aa1e46d73 --- /dev/null +++ b/packages/linux/linux-ezx-2.6.21/patches/a1200-pcap.patch @@ -0,0 +1,83 @@ +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) |