add-s3c64xx-tzic.patch

This adds in the TZIC support consts and also the VM mapping
for the TZIC units, and adds TZIC init into mach-om-gta03.c

Signed-off-by: Andy Green <andy@openmoko.com>

diff --git a/arch/arm/include/asm/hardware/tzic-sp890.h b/arch/arm/include/asm/hardware/tzic-sp890.h
new file mode 100644 (file)
index 0000000..5ffd661
--- /dev/null
+++ b/arch/arm/include/asm/hardware/tzic-sp890.h
@@ -0,0 +1,22 @@
+#ifndef __SP890_TZIC_H__
+#define __SP890_TZIC_H__
+
+#define SP890_TZIC_UNLOCK_MAGIC (0x0ACCE550)
+
+#define SP890_TZIC_FIQSTATUS   0
+#define SP890_TZIC_RAWINTR     4
+#define SP890_TZIC_INTSELECT   8
+#define SP890_TZIC_FIQENABLE   0xc
+#define SP890_TZIC_FIQENCLEAR  0x10
+#define SP890_TZIC_FIQBYPASS   0x14
+#define SP890_TZIC_PROTECTION  0x18
+#define SP890_TZIC_LOCK                0x1c
+#define SP890_TZIC_LOCKSTATUS  0x20
+#define SP890_TZIC_ITCR                0x300
+#define SP890_TZIC_ITIP1       0x304
+#define SP890_TZIC_ITIP2       0x308
+#define SP890_TZIC_ITOP1       0x30c
+#define SP890_TZIC_ITOP2       0x310
+#define SP890_TZIC_PERIPHIDO   0xfe0
+
+#endif

diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h
index d0bcc26..70bc211 100644 (file)
--- a/arch/arm/mach-s3c6400/include/mach/map.h
+++ b/arch/arm/mach-s3c6400/include/mach/map.h
@@ -51,6 +51,8 @@
 #define S3C64XX_SZ_GPIO                SZ_4K
 
 #define S3C64XX_PA_SDRAM       (0x50000000)
+#define S3C64XX_PA_TZIC0       (0x71000000)
+#define S3C64XX_PA_TZIC1       (0x71100000)
 #define S3C64XX_PA_VIC0                (0x71200000)
 #define S3C64XX_PA_VIC1                (0x71300000)
 
@@ -60,6 +62,8 @@
 /* place VICs close together */
 #define S3C_VA_VIC0            (S3C_VA_IRQ + 0x00)
 #define S3C_VA_VIC1            (S3C_VA_IRQ + 0x10000)
+#define S3C_VA_TZIC0           (S3C_VA_IRQ + 0x20000)
+#define S3C_VA_TZIC1           (S3C_VA_IRQ + 0x30000)
 
 /* compatibiltiy defines. */
 #define S3C_PA_TIMER           S3C64XX_PA_TIMER

diff --git a/arch/arm/mach-s3c6410/mach-om-gta03.c b/arch/arm/mach-s3c6410/mach-om-gta03.c
index 165cb7a..596b01f 100644 (file)
--- a/arch/arm/mach-s3c6410/mach-om-gta03.c
+++ b/arch/arm/mach-s3c6410/mach-om-gta03.c
@@ -43,7 +43,8 @@
 #include <asm/mach/irq.h>
 
 #include <mach/hardware.h>
-#include <asm/hardware/vic.h> 
+#include <asm/hardware/vic.h>
+#include <asm/hardware/tzic-sp890.h>
 #include <mach/map.h>
 #include <mach/regs-fb.h>
 #include <mach/spi-gpio.h>
@@ -65,6 +66,7 @@
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
+#include <plat/tzic-sp890.h>
 
 /* #include <plat/udc.h> */
 #include <linux/i2c.h>
@@ -108,6 +110,8 @@ static int gta03_fiq_irq;
 #define S3C6410_INTMSK (S3C_VA_VIC0 + VIC_INT_ENABLE)
 #define S3C6410_INTMOD (S3C_VA_VIC0 + VIC_INT_SELECT)
 
+
+
 static void gta03_fiq_handler(void)
 {
        u16 divisor = 0xffff;
@@ -190,16 +194,21 @@ static int gta03_fiq_enable(void)
        gta03_fiq_pwm_timer.counter = gta03_fiq_pwm_timer.comparer = 3000;
 
        rc = s3c2410_pwm_enable(&gta03_fiq_pwm_timer);
-       if (rc) 
+       if (rc)
                goto bail;
 
        s3c2410_pwm_start(&gta03_fiq_pwm_timer);
 
        /* let our selected interrupt be a magic FIQ interrupt */
-       __raw_writel(1 << 27,  S3C6410_INTMSK + 4);
+       __raw_writel(gta03_fiq_mod_mask, S3C6410_INTMSK + 4);
        __raw_writel(gta03_fiq_mod_mask, S3C6410_INTMOD);
-       __raw_writel((__raw_readl(S3C64XX_TINT_CSTAT)  & 0x1f)| 1 << 3, S3C64XX_TINT_CSTAT);
-       __raw_writel(1 << 27, S3C6410_INTMSK);
+       __raw_writel((__raw_readl(S3C64XX_TINT_CSTAT)  & 0x1f)| 1 << 3,
+                                                           S3C64XX_TINT_CSTAT);
+       __raw_writel(gta03_fiq_mod_mask, S3C6410_INTMSK);
+
+       __raw_writel(SP890_TZIC_UNLOCK_MAGIC, S3C64XX_VA_TZIC0_LOCK);
+       __raw_writel(gta03_fiq_mod_mask, S3C64XX_VA_TZIC0_FIQENABLE);
+       __raw_writel(gta03_fiq_mod_mask, S3C64XX_VA_TZIC0_INTSELECT);
 
        /* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */
        local_fiq_enable();

diff --git a/arch/arm/plat-s3c64xx/cpu.c b/arch/arm/plat-s3c64xx/cpu.c
index f9fdaab..5cda43b 100644 (file)
--- a/arch/arm/plat-s3c64xx/cpu.c
+++ b/arch/arm/plat-s3c64xx/cpu.c
@@ -102,7 +102,17 @@ static struct map_desc s3c_iodesc[] __initdata = {
                .pfn            = __phys_to_pfn(S3C64XX_PA_MODEM),
                .length         = SZ_4K,
                .type           = MT_DEVICE,
-       },
+       }, {
+               .virtual        = (unsigned long)S3C_VA_TZIC0,
+               .pfn            = __phys_to_pfn(S3C64XX_PA_TZIC0),
+               .length         = SZ_4K,
+               .type           = MT_DEVICE,
+       }, {
+               .virtual        = (unsigned long)S3C_VA_TZIC1,
+               .pfn            = __phys_to_pfn(S3C64XX_PA_TZIC1),
+               .length         = SZ_4K,
+               .type           = MT_DEVICE,
+       }
 };