[PATCH] ARM: OMAP: Add basic cpu support for OMAP330 processor

Add basic 330 cpu support. 330 is handled as 15xx.

arch/arm/mach-omap1/id.c

@@ -27,6 +27,7 @@ struct omap_id {
 
 /* Register values to detect the OMAP version */
 static struct omap_id omap_ids[] __initdata = {
+	{ .jtag_id = 0xb574, .die_rev = 0x2, .omap_id = 0x03310315, .type = 0x03100000},
 	{ .jtag_id = 0x355f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300100},
 	{ .jtag_id = 0xb55f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300300},
 	{ .jtag_id = 0xb470, .die_rev = 0x0, .omap_id = 0x03310100, .type = 0x15100000},
@@ -164,6 +165,7 @@ void __init omap_check_revision(void)
 	case 0x07:
 		system_rev |= 0x07;
 		break;
+	case 0x03:
 	case 0x15:
 		system_rev |= 0x15;
 		break;

arch/arm/mach-omap1/irq.c

@@ -152,6 +152,10 @@ static struct omap_irq_bank omap1510_irq_banks[] = {
 	{ .base_reg = OMAP_IH1_BASE, 		.trigger_map = 0xb3febfff },
 	{ .base_reg = OMAP_IH2_BASE, 		.trigger_map = 0xffbfffed },
 };
+static struct omap_irq_bank omap310_irq_banks[] = {
+	{ .base_reg = OMAP_IH1_BASE, 		.trigger_map = 0xb3faefc3 },
+	{ .base_reg = OMAP_IH2_BASE, 		.trigger_map = 0x65b3c061 },
+};
 #endif
 
 #if defined(CONFIG_ARCH_OMAP16XX)
@@ -186,6 +190,10 @@ void __init omap_init_irq(void)
 		irq_banks = omap1510_irq_banks;
 		irq_bank_count = ARRAY_SIZE(omap1510_irq_banks);
 	}
+	if (cpu_is_omap310()) {
+		irq_banks = omap310_irq_banks;
+		irq_bank_count = ARRAY_SIZE(omap310_irq_banks);
+	}
 #endif
 #if defined(CONFIG_ARCH_OMAP16XX)
 	if (cpu_is_omap16xx()) {

arch/arm/plat-omap/clock.c

@@ -1158,7 +1158,7 @@ int __init clk_init(void)
 	omap_early_clk_reset();
 
 	for (clkp = onchip_clks; clkp < onchip_clks+ARRAY_SIZE(onchip_clks); clkp++) {
-		if (((*clkp)->flags &CLOCK_IN_OMAP1510) && cpu_is_omap1510()) {
+		if (((*clkp)->flags &CLOCK_IN_OMAP1510) && cpu_is_omap15xx()) {
 			clk_register(*clkp);
 			continue;
 		}
@@ -1269,7 +1269,7 @@ int __init clk_init(void)
 	clk_use(&armxor_ck);
 	clk_use(&armtim_ck);
 
-	if (cpu_is_omap1510())
+	if (cpu_is_omap15xx())
 		clk_enable(&arm_gpio_ck);
 
 	return 0;

arch/arm/plat-omap/sram.c

@@ -42,6 +42,8 @@ void __init omap_detect_sram(void)
 	omap_sram_base = OMAP1_SRAM_BASE;
 
 	if (cpu_is_omap730())
+		omap_sram_size = 0x30000;
+	else if (cpu_is_omap730())
 		omap_sram_size = 0x32000;
 	else if (cpu_is_omap1510())
 		omap_sram_size = 0x80000;

include/asm-arm/arch-omap/cpu.h

@@ -79,7 +79,7 @@ extern unsigned int system_rev;
  * Macros to group OMAP into cpu classes.
  * These can be used in most places.
  * cpu_is_omap7xx():	True for OMAP730
- * cpu_is_omap15xx():	True for OMAP1510 and OMAP5910
+ * cpu_is_omap15xx():	True for OMAP1510, OMAP5910 and OMAP310
  * cpu_is_omap16xx():	True for OMAP1610, OMAP5912 and OMAP1710
  * cpu_is_omap24xx():	True for OMAP2420
  */
@@ -136,6 +136,7 @@ IS_OMAP_CLASS(24xx, 0x24)
 /*
  * Macros to detect individual cpu types.
  * These are only rarely needed.
+ * cpu_is_omap330():	True for OMAP330
  * cpu_is_omap730():	True for OMAP730
  * cpu_is_omap1510():	True for OMAP1510
  * cpu_is_omap1610():	True for OMAP1610
@@ -153,6 +154,7 @@ static inline int is_omap ##type (void)			\
 	return (GET_OMAP_TYPE == (id)) ? 1 : 0;		\
 }
 
+IS_OMAP_TYPE(310, 0x0310)
 IS_OMAP_TYPE(730, 0x0730)
 IS_OMAP_TYPE(1510, 0x1510)
 IS_OMAP_TYPE(1610, 0x1610)
@@ -162,6 +164,7 @@ IS_OMAP_TYPE(1621, 0x1621)
 IS_OMAP_TYPE(1710, 0x1710)
 IS_OMAP_TYPE(2420, 0x2420)
 
+#define cpu_is_omap310()		0
 #define cpu_is_omap730()		0
 #define cpu_is_omap1510()		0
 #define cpu_is_omap1610()		0
@@ -176,25 +179,24 @@ IS_OMAP_TYPE(2420, 0x2420)
 #  undef  cpu_is_omap730
 #  define cpu_is_omap730()		is_omap730()
 # endif
-# if defined(CONFIG_ARCH_OMAP1510)
-#  undef  cpu_is_omap1510
-#  define cpu_is_omap1510()		is_omap1510()
-# endif
 #else
 # if defined(CONFIG_ARCH_OMAP730)
 #  undef  cpu_is_omap730
 #  define cpu_is_omap730()		1
 # endif
-# if defined(CONFIG_ARCH_OMAP1510)
-#  undef  cpu_is_omap1510
-#  define cpu_is_omap1510()		1
-# endif
 #endif
 
 /*
  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
- * between 1611B/5912 and 1710.
+ * between 330 vs. 1510 and 1611B/5912 vs. 1710.
  */
+#if defined(CONFIG_ARCH_OMAP1510)
+# undef  cpu_is_omap310
+# undef  cpu_is_omap1510
+# define cpu_is_omap310()		is_omap310()
+# define cpu_is_omap1510()		is_omap1510()
+#endif
+
 #if defined(CONFIG_ARCH_OMAP16XX)
 # undef  cpu_is_omap1610
 # undef  cpu_is_omap1611