[ARM] 3559/1: S3C2442: core and serial port

Patch from Ben Dooks

Core support for the Samsung S3C2442, and the
serial port driver update to allow the serial
port blocks to be used.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 12 insertions, 4 deletions

diff --git a/include/asm-arm/arch-s3c2410/regs-clock.h b/include/asm-arm/arch-s3c2410/regs-clock.h
index 34360706e016..6c92faffe985 100644
--- a/include/asm-arm/arch-s3c2410/regs-clock.h
+++ b/include/asm-arm/arch-s3c2410/regs-clock.h
@@ -114,7 +114,7 @@ s3c2410_get_pll(unsigned int pllval, unsigned int baseclk)
 
 #endif /* __ASSEMBLY__ */
 
-#ifdef CONFIG_CPU_S3C2440
+#if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
 
 /* extra registers */
 #define S3C2440_CAMDIVN     S3C2410_CLKREG(0x18)
@@ -136,7 +136,9 @@ s3c2410_get_pll(unsigned int pllval, unsigned int baseclk)
 #define S3C2440_CAMDIVN_HCLK4_HALF   (1<<9)
 #define S3C2440_CAMDIVN_DVSEN        (1<<12)
 
-#endif /* CONFIG_CPU_S3C2440 */
+#define S3C2442_CAMDIVN_CAMCLK_DIV3  (1<<5)
+
+#endif /* CONFIG_CPU_S3C2440 or CONFIG_CPU_S3C2442 */
 
 
 #endif /* __ASM_ARM_REGS_CLOCK */
diff --git a/include/asm-arm/arch-s3c2410/regs-gpio.h b/include/asm-arm/arch-s3c2410/regs-gpio.h
index d2574084697f..5f10334f06bf 100644
--- a/include/asm-arm/arch-s3c2410/regs-gpio.h
+++ b/include/asm-arm/arch-s3c2410/regs-gpio.h
@@ -450,12 +450,14 @@
 #define S3C2410_GPD0_OUTP       (0x01 << 0)
 #define S3C2410_GPD0_VD8        (0x02 << 0)
 #define S3C2400_GPD0_VFRAME     (0x02 << 0)
+#define S3C2442_GPD0_nSPICS1    (0x03 << 0)
 
 #define S3C2410_GPD1            S3C2410_GPIONO(S3C2410_GPIO_BANKD, 1)
 #define S3C2410_GPD1_INP        (0x00 << 2)
 #define S3C2410_GPD1_OUTP       (0x01 << 2)
 #define S3C2410_GPD1_VD9        (0x02 << 2)
 #define S3C2400_GPD1_VM         (0x02 << 2)
+#define S3C2442_GPD1_SPICLK1    (0x03 << 2)
 
 #define S3C2410_GPD2            S3C2410_GPIONO(S3C2410_GPIO_BANKD, 2)
 #define S3C2410_GPD2_INP        (0x00 << 4)
@@ -858,6 +860,7 @@
 #define S3C2410_GPG12_OUTP    (0x01 << 24)
 #define S3C2410_GPG12_EINT20  (0x02 << 24)
 #define S3C2410_GPG12_XMON    (0x03 << 24)
+#define S3C2442_GPG12_nSPICS0 (0x03 << 24)
 
 #define S3C2410_GPG13         S3C2410_GPIONO(S3C2410_GPIO_BANKG, 13)
 #define S3C2410_GPG13_INP     (0x00 << 26)
@@ -943,6 +946,7 @@
 #define S3C2410_GPH9_INP      (0x00 << 18)
 #define S3C2410_GPH9_OUTP     (0x01 << 18)
 #define S3C2410_GPH9_CLKOUT0  (0x02 << 18)
+#define S3C2442_GPH9_nSPICS0  (0x03 << 18)
 
 #define S3C2410_GPH10         S3C2410_GPIONO(S3C2410_GPIO_BANKH, 10)
 #define S3C2410_GPH10_INP     (0x00 << 20)
@@ -1051,6 +1055,7 @@
 #define S3C2410_GSTATUS1_IDMASK    (0xffff0000)
 #define S3C2410_GSTATUS1_2410      (0x32410000)
 #define S3C2410_GSTATUS1_2440      (0x32440000)
+#define S3C2410_GSTATUS1_2442      (0x32440aaa)
 
 #define S3C2410_GSTATUS2_WTRESET   (1<<2)
 #define S3C2410_GSTATUS2_OFFRESET  (1<<1)
diff --git a/include/asm-arm/arch-s3c2410/uncompress.h b/include/asm-arm/arch-s3c2410/uncompress.h
index a6f6a0e44afa..bbd9ee1ff75a 100644
--- a/include/asm-arm/arch-s3c2410/uncompress.h
+++ b/include/asm-arm/arch-s3c2410/uncompress.h
@@ -82,7 +82,8 @@ static void putc(int ch)
                 while (1) {
                         level = uart_rd(S3C2410_UFSTAT);
 
-                        if (cpuid == S3C2410_GSTATUS1_2440) {
+                        if (cpuid == S3C2410_GSTATUS1_2440 ||
+                            cpuid == S3C2410_GSTATUS1_2442) {
                                 level &= S3C2440_UFSTAT_TXMASK;
                                 level >>= S3C2440_UFSTAT_TXSHIFT;
                         } else {
@@ -130,7 +131,7 @@ static void arch_decomp_wdog_start(void)
 {
         __raw_writel(WDOG_COUNT, S3C2410_WTDAT);
         __raw_writel(WDOG_COUNT, S3C2410_WTCNT);
-        __raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x40), S3C2410_WTCON);
+        __raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x80), S3C2410_WTCON);
 }
 
 #else