This patch updates the common machine specific source files with support for
TI816X.
The approach taken is to have TI816X only build for OMAP3 when
CONFIG_SOC_OMAPTI816X is defined.
Signed-off-by: Hemant Pedanekar <hemantp@xxxxxx>
---
arch/arm/mach-omap2/clock3xxx_data.c | 5 +++-
arch/arm/mach-omap2/common.c | 21 +++++++++++++++
arch/arm/mach-omap2/control.h | 6 ++++
arch/arm/mach-omap2/id.c | 33 ++++++++++++++++++++++-
arch/arm/mach-omap2/include/mach/entry-macro.S | 13 +++++++++
arch/arm/mach-omap2/io.c | 13 ++++++++-
arch/arm/mach-omap2/irq.c | 5 +++-
arch/arm/mach-omap2/serial.c | 8 +++---
arch/arm/plat-omap/include/plat/ti816x.h | 27 +++++++++++++++++++
arch/arm/plat-omap/io.c | 5 +++-
10 files changed, 126 insertions(+), 10 deletions(-)
create mode 100644 arch/arm/plat-omap/include/plat/ti816x.h
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 403a4a1..f14d986 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -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() */
diff --git a/arch/arm/mach-omap2/common.c b/arch/arm/mach-omap2/common.c
index d5eaee3..48de451 100644
--- a/arch/arm/mach-omap2/common.c
+++ b/arch/arm/mach-omap2/common.c
@@ -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)
diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index f0629ae..c2804c1 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h
@@ -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)
@@ -241,6 +244,9 @@
#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.
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 5f9086c..5c25f1b 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -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()) {
diff --git a/arch/arm/mach-omap2/include/mach/entry-macro.S b/arch/arm/mach-omap2/include/mach/entry-macro.S
index 81985a6..a48690b 100644
--- a/arch/arm/mach-omap2/include/mach/entry-macro.S
+++ b/arch/arm/mach-omap2/include/mach/entry-macro.S
@@ -61,6 +61,14 @@
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 */
@@ -133,6 +141,11 @@
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 */
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 11decd8..feb80e0 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -121,6 +121,16 @@ static struct map_desc omap243x_io_desc[] __initdata = {
#endif
#ifdef CONFIG_ARCH_OMAP3
+#ifdef CONFIG_SOC_OMAPTI816X
+static struct map_desc omap34xx_io_desc[] __initdata = {
+ {
+ .virtual = L4_34XX_VIRT,
+ .pfn = __phys_to_pfn(L4_34XX_PHYS),
+ .length = L4_34XX_SIZE,
+ .type = MT_DEVICE
+ },
+};
+#else
static struct map_desc omap34xx_io_desc[] __initdata = {
{
.virtual = L3_34XX_VIRT,
@@ -175,6 +185,7 @@ static struct map_desc omap34xx_io_desc[] __initdata = {
#endif
};
#endif
+#endif
#ifdef CONFIG_ARCH_OMAP4
static struct map_desc omap44xx_io_desc[] __initdata = {
{
@@ -402,7 +413,7 @@ void __init omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0,
omap_hwmod_late_init();
- if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
+ if (omap3_has_sdrc()) {
omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
_omap2_init_reprogram_sdrc();
}
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index d151aac..bc524b9 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -108,7 +108,7 @@ 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;
/*
@@ -203,6 +203,9 @@ 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) {
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 32e91a9..36a2828 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -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;
@@ -759,13 +759,13 @@ 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)
@@ -847,7 +847,7 @@ 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;
}
diff --git a/arch/arm/plat-omap/include/plat/ti816x.h b/arch/arm/plat-omap/include/plat/ti816x.h
new file mode 100644
index 0000000..50510f5
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/ti816x.h
@@ -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 */
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index f1295fa..f1ecfa9 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -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))
--
1.7.3.5
--
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