TI816X: Update common OMAP machine specific sources
authorHemant Pedanekar <hemantp@ti.com>
Wed, 16 Feb 2011 16:31:39 +0000 (08:31 -0800)
committerTony Lindgren <tony@atomide.com>
Wed, 16 Feb 2011 16:31:39 +0000 (08:31 -0800)
This patch updates the common machine specific source files with support for
TI816X.

Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
12 files changed:
arch/arm/mach-omap2/clock3xxx_data.c
arch/arm/mach-omap2/common.c
arch/arm/mach-omap2/control.h
arch/arm/mach-omap2/id.c
arch/arm/mach-omap2/include/mach/entry-macro.S
arch/arm/mach-omap2/io.c
arch/arm/mach-omap2/irq.c
arch/arm/mach-omap2/serial.c
arch/arm/plat-omap/include/plat/hardware.h
arch/arm/plat-omap/include/plat/io.h
arch/arm/plat-omap/include/plat/ti816x.h [new file with mode: 0644]
arch/arm/plat-omap/io.c

index 403a4a1d3f9c4d0e4362cd768c2781dc32329ec1..f14d986f0b5d0574a9eeb9b579b3813675e53cb9 100644 (file)
@@ -3471,6 +3471,9 @@ int __init omap3xxx_clk_init(void)
        } else if (cpu_is_omap3630()) {
                cpu_mask = (RATE_IN_34XX | RATE_IN_36XX);
                cpu_clkflg = CK_36XX;
+       } else if (cpu_is_ti816x()) {
+               cpu_mask = RATE_IN_TI816X;
+               cpu_clkflg = CK_TI816X;
        } else if (cpu_is_omap34xx()) {
                if (omap_rev() == OMAP3430_REV_ES1_0) {
                        cpu_mask = RATE_IN_3430ES1;
@@ -3550,7 +3553,7 @@ int __init omap3xxx_clk_init(void)
        /*
         * Lock DPLL5 and put it in autoidle.
         */
-       if (omap_rev() >= OMAP3430_REV_ES2_0)
+       if (!cpu_is_ti816x() && (omap_rev() >= OMAP3430_REV_ES2_0))
                omap3_clk_lock_dpll5();
 
        /* Avoid sleeping during omap3_core_dpll_m2_set_rate() */
index 778929f7e92d37a1284900f3d9ca2a9e5e56ceb4..79fb948f814465cb07bbad5f477cc50d856faa27 100644 (file)
@@ -108,6 +108,27 @@ void __init omap3_map_io(void)
        omap2_set_globals_3xxx();
        omap34xx_map_common_io();
 }
+
+/*
+ * Adjust TAP register base such that omap3_check_revision accesses the correct
+ * TI816X register for checking device ID (it adds 0x204 to tap base while
+ * TI816X DEVICE ID register is at offset 0x600 from control base).
+ */
+#define TI816X_TAP_BASE                (TI816X_CTRL_BASE + \
+                               TI816X_CONTROL_DEVICE_ID - 0x204)
+
+static struct omap_globals ti816x_globals = {
+       .class  = OMAP343X_CLASS,
+       .tap    = OMAP2_L4_IO_ADDRESS(TI816X_TAP_BASE),
+       .ctrl   = TI816X_CTRL_BASE,
+       .prm    = TI816X_PRCM_BASE,
+       .cm     = TI816X_PRCM_BASE,
+};
+
+void __init omap2_set_globals_ti816x(void)
+{
+       __omap2_set_globals(&ti816x_globals);
+}
 #endif
 
 #if defined(CONFIG_ARCH_OMAP4)
index f0629ae04102d51e638625277555c39d262ba669..c2804c1c4efd0cde043c0f03d54bafa2b367fe78 100644 (file)
@@ -52,6 +52,9 @@
 #define OMAP343X_CONTROL_PADCONFS_WKUP 0xa00
 #define OMAP343X_CONTROL_GENERAL_WKUP  0xa60
 
+/* TI816X spefic control submodules */
+#define TI816X_CONTROL_DEVCONF         0x600
+
 /* Control register offsets - read/write with omap_ctrl_{read,write}{bwl}() */
 
 #define OMAP2_CONTROL_SYSCONFIG                (OMAP2_CONTROL_INTERFACE + 0x10)
 #define OMAP3_PADCONF_SAD2D_MSTANDBY   0x250
 #define OMAP3_PADCONF_SAD2D_IDLEACK    0x254
 
+/* TI816X CONTROL_DEVCONF register offsets */
+#define TI816X_CONTROL_DEVICE_ID       (TI816X_CONTROL_DEVCONF + 0x000)
+
 /*
  * REVISIT: This list of registers is not comprehensive - there are more
  * that should be added.
index 5f9086c65e48262835a39d3c7c86b000eba543dd..5c25f1b552357dec1830eda820ab8efa47421fb3 100644 (file)
@@ -191,12 +191,19 @@ static void __init omap3_check_features(void)
        if (!cpu_is_omap3505() && !cpu_is_omap3517())
                omap3_features |= OMAP3_HAS_IO_WAKEUP;
 
+       omap3_features |= OMAP3_HAS_SDRC;
+
        /*
         * TODO: Get additional info (where applicable)
         *       e.g. Size of L2 cache.
         */
 }
 
+static void __init ti816x_check_features(void)
+{
+       omap3_features = OMAP3_HAS_NEON;
+}
+
 static void __init omap3_check_revision(void)
 {
        u32 cpuid, idcode;
@@ -287,6 +294,20 @@ static void __init omap3_check_revision(void)
                        omap_chip.oc |= CHIP_IS_OMAP3630ES1_2;
                }
                break;
+       case 0xb81e:
+               omap_chip.oc = CHIP_IS_TI816X;
+
+               switch (rev) {
+               case 0:
+                       omap_revision = TI8168_REV_ES1_0;
+                       break;
+               case 1:
+                       omap_revision = TI8168_REV_ES1_1;
+                       break;
+               default:
+                       omap_revision =  TI8168_REV_ES1_1;
+               }
+               break;
        default:
                /* Unknown default to latest silicon rev as default*/
                omap_revision =  OMAP3630_REV_ES1_2;
@@ -372,6 +393,8 @@ static void __init omap3_cpuinfo(void)
                        /* Already set in omap3_check_revision() */
                        strcpy(cpu_name, "AM3505");
                }
+       } else if (cpu_is_ti816x()) {
+               strcpy(cpu_name, "TI816X");
        } else if (omap3_has_iva() && omap3_has_sgx()) {
                /* OMAP3430, OMAP3525, OMAP3515, OMAP3503 devices */
                strcpy(cpu_name, "OMAP3430/3530");
@@ -386,7 +409,7 @@ static void __init omap3_cpuinfo(void)
                strcpy(cpu_name, "OMAP3503");
        }
 
-       if (cpu_is_omap3630()) {
+       if (cpu_is_omap3630() || cpu_is_ti816x()) {
                switch (rev) {
                case OMAP_REVBITS_00:
                        strcpy(cpu_rev, "1.0");
@@ -462,7 +485,13 @@ void __init omap2_check_revision(void)
                omap24xx_check_revision();
        } else if (cpu_is_omap34xx()) {
                omap3_check_revision();
-               omap3_check_features();
+
+               /* TI816X doesn't have feature register */
+               if (!cpu_is_ti816x())
+                       omap3_check_features();
+               else
+                       ti816x_check_features();
+
                omap3_cpuinfo();
                return;
        } else if (cpu_is_omap44xx()) {
index 81985a665cb3ee420357bb53ea19b7268e9ab3ca..a48690b90990b25e3608b9049433bf0ceea37270 100644 (file)
                bne     9998f
                ldr     \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */
                cmp     \irqnr, #0x0
+               bne     9998f
+
+               /*
+                * ti816x has additional IRQ pending register. Checking this
+                * register on omap2 & omap3 has no effect (read as 0).
+                */
+               ldr     \irqnr, [\base, #0xf8] /* IRQ pending reg 4 */
+               cmp     \irqnr, #0x0
 9998:
                ldrne   \irqnr, [\base, #INTCPS_SIR_IRQ_OFFSET]
                and     \irqnr, \irqnr, #ACTIVEIRQ_MASK /* Clear spurious bits */
                bne     9999f
                ldr     \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */
                cmp     \irqnr, #0x0
+#ifdef CONFIG_SOC_OMAPTI816X
+               bne     9999f
+               ldr     \irqnr, [\base, #0xf8] /* IRQ pending reg 4 */
+               cmp     \irqnr, #0x0
+#endif
 9999:
                ldrne   \irqnr, [\base, #INTCPS_SIR_IRQ_OFFSET]
                and     \irqnr, \irqnr, #ACTIVEIRQ_MASK /* Clear spurious bits */
index 26a61cf27291bca7cf31f548c0e7f5b139baa167..f992a81c3939f80374d5bc8e1c2538c53f1a8ceb 100644 (file)
@@ -175,6 +175,18 @@ static struct map_desc omap34xx_io_desc[] __initdata = {
 #endif
 };
 #endif
+
+#ifdef CONFIG_SOC_OMAPTI816X
+static struct map_desc omapti816x_io_desc[] __initdata = {
+       {
+               .virtual        = L4_34XX_VIRT,
+               .pfn            = __phys_to_pfn(L4_34XX_PHYS),
+               .length         = L4_34XX_SIZE,
+               .type           = MT_DEVICE
+       },
+};
+#endif
+
 #ifdef CONFIG_ARCH_OMAP4
 static struct map_desc omap44xx_io_desc[] __initdata = {
        {
@@ -267,6 +279,14 @@ void __init omap34xx_map_common_io(void)
 }
 #endif
 
+#ifdef CONFIG_SOC_OMAPTI816X
+void __init omapti816x_map_common_io(void)
+{
+       iotable_init(omapti816x_io_desc, ARRAY_SIZE(omapti816x_io_desc));
+       _omap2_map_common_io();
+}
+#endif
+
 #ifdef CONFIG_ARCH_OMAP4
 void __init omap44xx_map_common_io(void)
 {
@@ -398,7 +418,7 @@ void __init omap2_init_common_infrastructure(void)
 void __init omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0,
                                      struct omap_sdrc_params *sdrc_cs1)
 {
-       if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
+       if (cpu_is_omap24xx() || omap3_has_sdrc()) {
                omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
                _omap2_init_reprogram_sdrc();
        }
index 23049c487c479a815792897a14f872182c730015..0b9a23d721f423705f154571e0a5ae9173eb5449 100644 (file)
@@ -110,7 +110,7 @@ static void omap_mask_irq(struct irq_data *d)
        unsigned int irq = d->irq;
        int offset = irq & (~(IRQ_BITS_PER_REG - 1));
 
-       if (cpu_is_omap34xx()) {
+       if (cpu_is_omap34xx() && !cpu_is_ti816x()) {
                int spurious = 0;
 
                /*
@@ -205,6 +205,9 @@ void __init omap_init_irq(void)
 
                BUG_ON(!base);
 
+               if (cpu_is_ti816x())
+                       bank->nr_irqs = 128;
+
                /* Static mapping, never released */
                bank->base_reg = ioremap(base, SZ_4K);
                if (!bank->base_reg) {
index 74e25cd4bd3abc2962cd731e26cdfb54159d3971..47eef48b88302e3a7f8c1e5031c8fa442a67b4f0 100644 (file)
@@ -486,7 +486,7 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
                mod_timer(&uart->timer, jiffies + uart->timeout);
        omap_uart_smart_idle_enable(uart, 0);
 
-       if (cpu_is_omap34xx()) {
+       if (cpu_is_omap34xx() && !cpu_is_ti816x()) {
                u32 mod = (uart->num > 1) ? OMAP3430_PER_MOD : CORE_MOD;
                u32 wk_mask = 0;
                u32 padconf = 0;
@@ -762,13 +762,13 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
        p->private_data = uart;
 
        /*
-        * omap44xx: Never read empty UART fifo
+        * omap44xx, ti816x: Never read empty UART fifo
         * omap3xxx: Never read empty UART fifo on UARTs
         * with IP rev >=0x52
         */
        uart->regshift = p->regshift;
        uart->membase = p->membase;
-       if (cpu_is_omap44xx())
+       if (cpu_is_omap44xx() || cpu_is_ti816x())
                uart->errata |= UART_ERRATA_FIFO_FULL_ABORT;
        else if ((serial_read_reg(uart, UART_OMAP_MVER) & 0xFF)
                        >= UART_OMAP_NO_EMPTY_FIFO_READ_IP_REV)
@@ -850,7 +850,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
        }
 
        /* Enable the MDR1 errata for OMAP3 */
-       if (cpu_is_omap34xx())
+       if (cpu_is_omap34xx() && !cpu_is_ti816x())
                uart->errata |= UART_ERRATA_i202_MDR1_ACCESS;
 }
 
index d5b26adfb890c3fb74d725f0c1d07c47f824f81b..e87efe1499b8c5ba06874ead21fd5c52de64f2fc 100644 (file)
 #include <plat/omap24xx.h>
 #include <plat/omap34xx.h>
 #include <plat/omap44xx.h>
+#include <plat/ti816x.h>
 
 #endif /* __ASM_ARCH_OMAP_HARDWARE_H */
index ef4106c13183fd1f007b16dd208b2fc10b43652c..427fc8a7c0739e7aca389f367ee135b7a3592d97 100644 (file)
@@ -283,6 +283,14 @@ static inline void omap34xx_map_common_io(void)
 }
 #endif
 
+#ifdef CONFIG_SOC_OMAPTI816X
+extern void omapti816x_map_common_io(void);
+#else
+static inline void omapti816x_map_common_io(void)
+{
+}
+#endif
+
 #ifdef CONFIG_ARCH_OMAP4
 extern void omap44xx_map_common_io(void);
 #else
diff --git a/arch/arm/plat-omap/include/plat/ti816x.h b/arch/arm/plat-omap/include/plat/ti816x.h
new file mode 100644 (file)
index 0000000..50510f5
--- /dev/null
@@ -0,0 +1,27 @@
+/*
+ * This file contains the address data for various TI816X modules.
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc. - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __ASM_ARCH_TI816X_H
+#define __ASM_ARCH_TI816X_H
+
+#define L4_SLOW_TI816X_BASE    0x48000000
+
+#define TI816X_SCM_BASE                0x48140000
+#define TI816X_CTRL_BASE       TI816X_SCM_BASE
+#define TI816X_PRCM_BASE       0x48180000
+
+#define TI816X_ARM_INTC_BASE   0x48200000
+
+#endif /* __ASM_ARCH_TI816X_H */
index f1295fafcd31a2c3caa5253bcf08785b9799d3c0..f1ecfa9fc61d3c4c45a6a145d43bfa202af37176 100644 (file)
@@ -85,7 +85,10 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
        }
 #endif
 #ifdef CONFIG_ARCH_OMAP3
-       if (cpu_is_omap34xx()) {
+       if (cpu_is_ti816x()) {
+               if (BETWEEN(p, L4_34XX_PHYS, L4_34XX_SIZE))
+                       return XLATE(p, L4_34XX_PHYS, L4_34XX_VIRT);
+       } else if (cpu_is_omap34xx()) {
                if (BETWEEN(p, L3_34XX_PHYS, L3_34XX_SIZE))
                        return XLATE(p, L3_34XX_PHYS, L3_34XX_VIRT);
                if (BETWEEN(p, L4_34XX_PHYS, L4_34XX_SIZE))