sh: Add support for SH7721 CPU subtype.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

10 files changed, 37 insertions, 12 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 538631ca10a6..d2f557719489 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -214,6 +214,13 @@ config CPU_SUBTYPE_SH7720
         help
           Select SH7720 if you have a SH3-DSP SH7720 CPU.
 
+config CPU_SUBTYPE_SH7721
+        bool "Support SH7721 processor"
+        select CPU_SH3
+        select CPU_HAS_DSP
+        help
+          Select SH7721 if you have a SH3-DSP SH7721 CPU.
+
 # SH-4 Processor Support
 
 config CPU_SUBTYPE_SH7750
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 2881d8471a17..dde00d5c2478 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -35,7 +35,7 @@ config EARLY_SCIF_CONSOLE_PORT
         default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263
         default "0xf8420000" if CPU_SUBTYPE_SH7619
         default "0xa4400000" if CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7705
-        default "0xa4430000" if CPU_SUBTYPE_SH7720
+        default "0xa4430000" if CPU_SUBTYPE_SH7720 || CPU_SUBTYPE_SH7721
         default "0xffc30000" if CPU_SUBTYPE_SHX3
         default "0xffe80000" if CPU_SH4
         default "0x00000000"
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index 4e711a0c3dae..01936368b8b0 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -12,7 +12,7 @@ config SH_DMA
 config NR_ONCHIP_DMA_CHANNELS
         int
         depends on SH_DMA
-        default "6" if CPU_SUBTYPE_SH7720
+        default "6" if CPU_SUBTYPE_SH7720 || CPU_SUBTYPE_SH7721
         default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R
         default "12" if CPU_SUBTYPE_SH7780
         default "4"
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 958bac1c585a..5c3359756a92 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -25,6 +25,7 @@ static int dmte_irq_map[] = {
         DMTE2_IRQ,
         DMTE3_IRQ,
 #if defined(CONFIG_CPU_SUBTYPE_SH7720)  ||      \
+    defined(CONFIG_CPU_SUBTYPE_SH7721)  ||      \
     defined(CONFIG_CPU_SUBTYPE_SH7751R) ||      \
     defined(CONFIG_CPU_SUBTYPE_SH7760)  ||      \
     defined(CONFIG_CPU_SUBTYPE_SH7709)  ||      \
@@ -203,6 +204,7 @@ static int sh_dmac_get_dma_residue(struct dma_channel *chan)
 }
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7721) || \
     defined(CONFIG_CPU_SUBTYPE_SH7780)
 #define dmaor_read_reg()        ctrl_inw(DMAOR)
 #define dmaor_write_reg(data)   ctrl_outw(data, DMAOR)
diff --git a/arch/sh/kernel/cpu/sh3/Makefile b/arch/sh/kernel/cpu/sh3/Makefile
index 646eb6933614..1afd05e62d1c 100644
--- a/arch/sh/kernel/cpu/sh3/Makefile
+++ b/arch/sh/kernel/cpu/sh3/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7709)	+= setup-sh770x.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7710)        += setup-sh7710.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7712)        += setup-sh7710.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7720)        += setup-sh7720.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7721)        += setup-sh7720.o
 
 # Primary on-chip clocks (common)
 clock-$(CONFIG_CPU_SH3)                 := clock-sh3.o
diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c
index 22070e43e34d..fcc80bb7bee7 100644
--- a/arch/sh/kernel/cpu/sh3/probe.c
+++ b/arch/sh/kernel/cpu/sh3/probe.c
@@ -84,6 +84,9 @@ int __uses_jump_to_uncached detect_cpu_and_cache_system(void)
 #if defined(CONFIG_CPU_SUBTYPE_SH7720)
                 boot_cpu_data.type = CPU_SH7720;
 #endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7721)
+                boot_cpu_data.type = CPU_SH7721;
+#endif
 #if defined(CONFIG_CPU_SUBTYPE_SH7705)
                 boot_cpu_data.type = CPU_SH7705;
 
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
index a0929b8a95ae..00facd028a08 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
@@ -127,8 +127,11 @@ static struct intc_vect vectors[] __initdata = {
         INTC_VECT(USBF_SPD, 0x6e0),   INTC_VECT(DMAC1_DEI0, 0x800),
         INTC_VECT(DMAC1_DEI1, 0x820), INTC_VECT(DMAC1_DEI2, 0x840),
         INTC_VECT(DMAC1_DEI3, 0x860), INTC_VECT(LCDC, 0x900),
-        INTC_VECT(SSL, 0x980),        INTC_VECT(USBFI0, 0xa20),
-        INTC_VECT(USBFI1, 0xa40),     INTC_VECT(USBHI, 0xa60),
+#if defined(CONFIG_CPU_SUBTYPE_SH7720)
+        INTC_VECT(SSL, 0x980),
+#endif
+        INTC_VECT(USBFI0, 0xa20),     INTC_VECT(USBFI1, 0xa40),
+        INTC_VECT(USBHI, 0xa60),
         INTC_VECT(DMAC2_DEI4, 0xb80), INTC_VECT(DMAC2_DEI5, 0xba0),
         INTC_VECT(ADC, 0xbe0),        INTC_VECT(SCIF0, 0xc00),
         INTC_VECT(SCIF1, 0xc20),      INTC_VECT(PINT07, 0xc80),
@@ -168,7 +171,11 @@ static struct intc_prio_reg prio_registers[] __initdata = {
         { 0xA414FEE4UL, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, SIM, 0 } },
         { 0xA4140016UL, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
         { 0xA4140018UL, 0, 16, 4, /* IPRD */ { USBF_SPD, TMU_SUNI, IRQ5, IRQ4 } },
+#if defined(CONFIG_CPU_SUBTYPE_SH7720)
         { 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } },
+#else
+        { 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, 0 } },
+#endif
         { 0xA4080000UL, 0, 16, 4, /* IPRF */ { ADC, DMAC2, USBFI, CMT } },
         { 0xA4080002UL, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, 0, 0 } },
         { 0xA4080004UL, 0, 16, 4, /* IPRH */ { PINT07, PINT815, TPU, IIC } },
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c
index 2f30977558ad..957f25611543 100644
--- a/arch/sh/kernel/early_printk.c
+++ b/arch/sh/kernel/early_printk.c
@@ -63,7 +63,8 @@ static struct console bios_console = {
 #include <linux/serial_core.h>
 #include "../../../drivers/serial/sh-sci.h"
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7720)
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7721)
 #define EPK_SCSMR_VALUE 0x000
 #define EPK_SCBRR_VALUE 0x00C
 #define EPK_FIFO_SIZE 64
@@ -117,7 +118,8 @@ static struct console scif_console = {
 };
 
 #if !defined(CONFIG_SH_STANDARD_BIOS)
-#if defined(CONFIG_CPU_SUBTYPE_SH7720)
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7721)
 static void scif_sercon_init(char *s)
 {
         sci_out(&scif_port, SCSCR, 0x0000);     /* clear TE and RE */
@@ -208,10 +210,12 @@ static int __init setup_early_printk(char *buf)
         if (!strncmp(buf, "serial", 6)) {
                 early_console = &scif_console;
 
-#if (defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SUBTYPE_SH7720)) && \
-    !defined(CONFIG_SH_STANDARD_BIOS)
+#if !defined(CONFIG_SH_STANDARD_BIOS)
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7721)
                 scif_sercon_init(buf + 6);
 #endif
+#endif
         }
 #endif
 
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 9c105c827e86..48cd576754b5 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -314,10 +314,10 @@ static const char *cpu_name[] = {
         [CPU_SH7707]    = "SH7707",     [CPU_SH7708]    = "SH7708",
         [CPU_SH7709]    = "SH7709",     [CPU_SH7710]    = "SH7710",
         [CPU_SH7712]    = "SH7712",     [CPU_SH7720]    = "SH7720",
-        [CPU_SH7729]    = "SH7729",     [CPU_SH7750]    = "SH7750",
-        [CPU_SH7750S]   = "SH7750S",    [CPU_SH7750R]   = "SH7750R",
-        [CPU_SH7751]    = "SH7751",     [CPU_SH7751R]   = "SH7751R",
-        [CPU_SH7760]    = "SH7760",
+        [CPU_SH7721]    = "SH7721",     [CPU_SH7729]    = "SH7729",
+        [CPU_SH7750]    = "SH7750",     [CPU_SH7750S]   = "SH7750S",
+        [CPU_SH7750R]   = "SH7750R",    [CPU_SH7751]    = "SH7751",
+        [CPU_SH7751R]   = "SH7751R",    [CPU_SH7760]    = "SH7760",
         [CPU_SH4_202]   = "SH4-202",    [CPU_SH4_501]   = "SH4-501",
         [CPU_SH7770]    = "SH7770",     [CPU_SH7780]    = "SH7780",
         [CPU_SH7781]    = "SH7781",     [CPU_SH7343]    = "SH7343",
diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c
index 628ec9a15e38..8935570008d2 100644
--- a/arch/sh/kernel/timers/timer-tmu.c
+++ b/arch/sh/kernel/timers/timer-tmu.c
@@ -174,6 +174,7 @@ static int tmu_timer_init(void)
         tmu_timer_stop();
 
 #if !defined(CONFIG_CPU_SUBTYPE_SH7720) && \
+    !defined(CONFIG_CPU_SUBTYPE_SH7721) && \
     !defined(CONFIG_CPU_SUBTYPE_SH7760) && \
     !defined(CONFIG_CPU_SUBTYPE_SH7785) && \
     !defined(CONFIG_CPU_SUBTYPE_SHX3)