* hvaibhav@xxxxxx <hvaibhav@xxxxxx> [111201 22:08]:
> From: Afzal Mohammed <afzal@xxxxxx>
>
> This patch updates the common machine specific source files for
> support for AM33XX/AM335x with cpu type, macros for identification of
> AM33XX/AM335X device.
Applying this one updated for the map_io and common.h changes, updated
patch below. The other two will have to wait a little because of the
machine_id dependency.
Regards,
Tony
From: Afzal Mohammed <afzal@xxxxxx>
Date: Fri, 2 Dec 2011 12:13:22 +0530
Subject: [PATCH] arm:omap:am33xx: Update common OMAP machine specific sources
This patch updates the common machine specific source files for
support for AM33XX/AM335x with cpu type, macros for identification of
AM33XX/AM335X device.
Signed-off-by: Afzal Mohammed <afzal@xxxxxx>
Signed-off-by: Vaibhav Hiremath <hvaibhav@xxxxxx>
Reviewed-by: Kevin Hilman <khilman@xxxxxx>
Tested-by: Kevin Hilman <khilman@xxxxxx>
[tony@xxxxxxxxxxx: updated for map_io and common.h changes]
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 5d0064a..c1ab6bc 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3517,6 +3517,9 @@ int __init omap3xxx_clk_init(void)
} else if (cpu_is_ti816x()) {
cpu_mask = RATE_IN_TI816X;
cpu_clkflg = CK_TI816X;
+ } else if (cpu_is_am33xx()) {
+ cpu_mask = RATE_IN_AM33XX;
+ cpu_clkflg = CK_AM33XX;
} else if (cpu_is_omap34xx()) {
if (omap_rev() == OMAP3430_REV_ES1_0) {
cpu_mask = RATE_IN_3430ES1;
diff --git a/arch/arm/mach-omap2/common.c b/arch/arm/mach-omap2/common.c
index 684b8a7..c900dcb 100644
--- a/arch/arm/mach-omap2/common.c
+++ b/arch/arm/mach-omap2/common.c
@@ -128,6 +128,27 @@ void __init omap2_set_globals_ti816x(void)
{
__omap2_set_globals(&ti816x_globals);
}
+
+#define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + \
+ TI816X_CONTROL_DEVICE_ID - 0x204)
+
+static struct omap_globals am33xx_globals = {
+ .class = AM335X_CLASS,
+ .tap = AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE),
+ .ctrl = AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
+ .prm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE),
+ .cm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE),
+};
+
+void __init omap2_set_globals_am33xx(void)
+{
+ __omap2_set_globals(&am33xx_globals);
+}
+
+void __init am33xx_map_io(void)
+{
+ omapam33xx_map_common_io();
+}
#endif
#if defined(CONFIG_ARCH_OMAP4)
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index 012bac7..9b733e3 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -60,6 +60,14 @@ static inline void omapti816x_map_common_io(void)
}
#endif
+#ifdef CONFIG_SOC_OMAPAM33XX
+extern void omapam33xx_map_common_io(void);
+#else
+static inline void omapam33xx_map_common_io(void)
+{
+}
+#endif
+
#ifdef CONFIG_ARCH_OMAP4
extern void omap44xx_map_common_io(void);
#else
@@ -107,6 +115,7 @@ void omap2_set_globals_243x(void);
void omap2_set_globals_3xxx(void);
void omap2_set_globals_443x(void);
void omap2_set_globals_ti816x(void);
+void omap2_set_globals_am33xx(void);
/* These get called from omap2_set_globals_xxxx(), do not call these */
void omap2_set_globals_tap(struct omap_globals *);
@@ -117,6 +126,7 @@ void omap2_set_globals_prcm(struct omap_globals *);
void omap242x_map_io(void);
void omap243x_map_io(void);
void omap3_map_io(void);
+void am33xx_map_io(void);
void omap4_map_io(void);
/**
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 27ad722..7ab09f7 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -340,6 +340,10 @@ static void __init omap3_check_revision(const char **cpu_rev)
break;
}
break;
+ case 0xb944:
+ omap_revision = AM335X_REV_ES1_0;
+ *cpu_rev = "1.0";
+ break;
default:
/* Unknown default to latest silicon rev as default */
omap_revision = OMAP3630_REV_ES1_2;
@@ -432,6 +436,8 @@ static void __init omap3_cpuinfo(const char *cpu_rev)
cpu_name = (omap3_has_sgx()) ? "AM3517" : "AM3505";
} else if (cpu_is_ti816x()) {
cpu_name = "TI816X";
+ } else if (cpu_is_am335x()) {
+ cpu_name = "AM335X";
} else if (omap3_has_iva() && omap3_has_sgx()) {
/* OMAP3430, OMAP3525, OMAP3515, OMAP3503 devices */
cpu_name = "OMAP3430/3530";
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 3f565dd..088d2ba 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -183,7 +183,24 @@ static struct map_desc omapti816x_io_desc[] __initdata = {
.pfn = __phys_to_pfn(L4_34XX_PHYS),
.length = L4_34XX_SIZE,
.type = MT_DEVICE
+ }
+};
+#endif
+
+#ifdef CONFIG_SOC_OMAPAM33XX
+static struct map_desc omapam33xx_io_desc[] __initdata = {
+ {
+ .virtual = L4_34XX_VIRT,
+ .pfn = __phys_to_pfn(L4_34XX_PHYS),
+ .length = L4_34XX_SIZE,
+ .type = MT_DEVICE
},
+ {
+ .virtual = L4_WK_AM33XX_VIRT,
+ .pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS),
+ .length = L4_WK_AM33XX_SIZE,
+ .type = MT_DEVICE
+ }
};
#endif
@@ -270,6 +287,13 @@ void __init omapti816x_map_common_io(void)
}
#endif
+#ifdef CONFIG_SOC_OMAPAM33XX
+void __init omapam33xx_map_common_io(void)
+{
+ iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
+}
+#endif
+
#ifdef CONFIG_ARCH_OMAP4
void __init omap44xx_map_common_io(void)
{
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 42c3267..9770c76 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -464,7 +464,7 @@ 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() && !cpu_is_ti816x()) {
+ if (cpu_is_omap34xx() && !(cpu_is_ti816x() || cpu_is_am33xx())) {
u32 mod = (uart->num > 1) ? OMAP3430_PER_MOD : CORE_MOD;
u32 wk_mask = 0;
u32 padconf = 0;
@@ -828,7 +828,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
}
/* Enable the MDR1 errata for OMAP3 */
- if (cpu_is_omap34xx() && !cpu_is_ti816x())
+ if (cpu_is_omap34xx() && !(cpu_is_ti816x() || cpu_is_am33xx()))
uart->errata |= UART_ERRATA_i202_MDR1_ACCESS;
}
diff --git a/arch/arm/plat-omap/include/plat/am33xx.h b/arch/arm/plat-omap/include/plat/am33xx.h
new file mode 100644
index 0000000..06c19bb
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/am33xx.h
@@ -0,0 +1,25 @@
+/*
+ * This file contains the address info for various AM33XX modules.
+ *
+ * Copyright (C) 2011 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_AM33XX_H
+#define __ASM_ARCH_AM33XX_H
+
+#define L4_SLOW_AM33XX_BASE 0x48000000
+
+#define AM33XX_SCM_BASE 0x44E10000
+#define AM33XX_CTRL_BASE AM33XX_SCM_BASE
+#define AM33XX_PRCM_BASE 0x44E00000
+
+#endif /* __ASM_ARCH_AM33XX_H */
diff --git a/arch/arm/plat-omap/include/plat/hardware.h b/arch/arm/plat-omap/include/plat/hardware.h
index e87efe1..e6521e1 100644
--- a/arch/arm/plat-omap/include/plat/hardware.h
+++ b/arch/arm/plat-omap/include/plat/hardware.h
@@ -287,5 +287,6 @@
#include <plat/omap34xx.h>
#include <plat/omap44xx.h>
#include <plat/ti816x.h>
+#include <plat/am33xx.h>
#endif /* __ASM_ARCH_OMAP_HARDWARE_H */
diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h
index 1234944..0696bae 100644
--- a/arch/arm/plat-omap/include/plat/io.h
+++ b/arch/arm/plat-omap/include/plat/io.h
@@ -73,6 +73,9 @@
#define OMAP4_L3_IO_OFFSET 0xb4000000
#define OMAP4_L3_IO_ADDRESS(pa) IOMEM((pa) + OMAP4_L3_IO_OFFSET) /* L3 */
+#define AM33XX_L4_WK_IO_OFFSET 0xb5000000
+#define AM33XX_L4_WK_IO_ADDRESS(pa) IOMEM((pa) + AM33XX_L4_WK_IO_OFFSET)
+
#define OMAP4_L3_PER_IO_OFFSET 0xb1100000
#define OMAP4_L3_PER_IO_ADDRESS(pa) IOMEM((pa) + OMAP4_L3_PER_IO_OFFSET)
@@ -154,6 +157,15 @@
#define L4_34XX_SIZE SZ_4M /* 1MB of 128MB used, want 1MB sect */
/*
+ * ----------------------------------------------------------------------------
+ * AM33XX specific IO mapping
+ * ----------------------------------------------------------------------------
+ */
+#define L4_WK_AM33XX_PHYS L4_WK_AM33XX_BASE
+#define L4_WK_AM33XX_VIRT (L4_WK_AM33XX_PHYS + AM33XX_L4_WK_IO_OFFSET)
+#define L4_WK_AM33XX_SIZE SZ_4M /* 1MB of 128MB used, want 1MB sect */
+
+/*
* Need to look at the Size 4M for L4.
* VPOM3430 was not working for Int controller
*/
diff --git a/arch/arm/plat-omap/include/plat/omap34xx.h b/arch/arm/plat-omap/include/plat/omap34xx.h
index b9e8588..0d818ac 100644
--- a/arch/arm/plat-omap/include/plat/omap34xx.h
+++ b/arch/arm/plat-omap/include/plat/omap34xx.h
@@ -35,6 +35,8 @@
#define L4_EMU_34XX_BASE 0x54000000
#define L3_34XX_BASE 0x68000000
+#define L4_WK_AM33XX_BASE 0x44C00000
+
#define OMAP3430_32KSYNCT_BASE 0x48320000
#define OMAP3430_CM_BASE 0x48004800
#define OMAP3430_PRM_BASE 0x48306800
--
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