diff options
| -rw-r--r-- | arch/arm/mach-omap2/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock34xx.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/emu.c | 66 |
4 files changed, 81 insertions, 4 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index aad194f61a33..6f1bbbc4d15f 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -100,3 +100,11 @@ config MACH_OMAP_ZOOM2 config MACH_OMAP_4430SDP bool "OMAP 4430 SDP board" depends on ARCH_OMAP4 + +config OMAP3_EMU + bool "OMAP3 debugging peripherals" + depends on ARCH_OMAP3 + select OC_ETM + help + Say Y here to enable debugging hardware of omap3 + diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 8cb16777661a..e141cabcfcce 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -44,6 +44,9 @@ obj-$(CONFIG_ARCH_OMAP4) += cm4xxx.o obj-$(CONFIG_ARCH_OMAP2) += clock24xx.o obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o +# EMU peripherals +obj-$(CONFIG_OMAP3_EMU) += emu.o + iommu-y += iommu2.o iommu-$(CONFIG_ARCH_OMAP3) += omap3-iommu.o diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c index 7c5c00df3c70..066e88a18824 100644 --- a/arch/arm/mach-omap2/clock34xx.c +++ b/arch/arm/mach-omap2/clock34xx.c @@ -119,7 +119,7 @@ static struct omap_clk omap34xx_clks[] = { CLK(NULL, "dpll3_m2x2_ck", &dpll3_m2x2_ck, CK_343X), CLK(NULL, "dpll3_m3_ck", &dpll3_m3_ck, CK_343X), CLK(NULL, "dpll3_m3x2_ck", &dpll3_m3x2_ck, CK_343X), - CLK(NULL, "emu_core_alwon_ck", &emu_core_alwon_ck, CK_343X), + CLK("etb", "emu_core_alwon_ck", &emu_core_alwon_ck, CK_343X), CLK(NULL, "dpll4_ck", &dpll4_ck, CK_343X), CLK(NULL, "dpll4_x2_ck", &dpll4_x2_ck, CK_343X), CLK(NULL, "omap_96m_alwon_fck", &omap_96m_alwon_fck, CK_343X), @@ -138,7 +138,7 @@ static struct omap_clk omap34xx_clks[] = { CLK(NULL, "dpll4_m5x2_ck", &dpll4_m5x2_ck, CK_343X), CLK(NULL, "dpll4_m6_ck", &dpll4_m6_ck, CK_343X), CLK(NULL, "dpll4_m6x2_ck", &dpll4_m6x2_ck, CK_343X), - CLK(NULL, "emu_per_alwon_ck", &emu_per_alwon_ck, CK_343X), + CLK("etb", "emu_per_alwon_ck", &emu_per_alwon_ck, CK_343X), CLK(NULL, "dpll5_ck", &dpll5_ck, CK_3430ES2), CLK(NULL, "dpll5_m2_ck", &dpll5_m2_ck, CK_3430ES2), CLK(NULL, "clkout2_src_ck", &clkout2_src_ck, CK_343X), @@ -147,7 +147,7 @@ static struct omap_clk omap34xx_clks[] = { CLK(NULL, "dpll1_fck", &dpll1_fck, CK_343X), CLK(NULL, "mpu_ck", &mpu_ck, CK_343X), CLK(NULL, "arm_fck", &arm_fck, CK_343X), - CLK(NULL, "emu_mpu_alwon_ck", &emu_mpu_alwon_ck, CK_343X), + CLK("etb", "emu_mpu_alwon_ck", &emu_mpu_alwon_ck, CK_343X), CLK(NULL, "dpll2_fck", &dpll2_fck, CK_343X), CLK(NULL, "iva2_ck", &iva2_ck, CK_343X), CLK(NULL, "l3_ick", &l3_ick, CK_343X), @@ -302,7 +302,7 @@ static struct omap_clk omap34xx_clks[] = { CLK("omap-mcbsp.2", "fck", &mcbsp2_fck, CK_343X), CLK("omap-mcbsp.3", "fck", &mcbsp3_fck, CK_343X), CLK("omap-mcbsp.4", "fck", &mcbsp4_fck, CK_343X), - CLK(NULL, "emu_src_ck", &emu_src_ck, CK_343X), + CLK("etb", "emu_src_ck", &emu_src_ck, CK_343X), CLK(NULL, "pclk_fck", &pclk_fck, CK_343X), CLK(NULL, "pclkx2_fck", &pclkx2_fck, CK_343X), CLK(NULL, "atclk_fck", &atclk_fck, CK_343X), diff --git a/arch/arm/mach-omap2/emu.c b/arch/arm/mach-omap2/emu.c new file mode 100644 index 000000000000..ec0d984a26fc --- /dev/null +++ b/arch/arm/mach-omap2/emu.c @@ -0,0 +1,66 @@ +/* + * emu.c + * + * ETM and ETB CoreSight components' resources as found in OMAP3xxx. + * + * Copyright (C) 2009 Nokia Corporation. + * Alexander Shishkin + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/amba/bus.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/err.h> + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Alexander Shishkin"); + +/* Cortex CoreSight components within omap3xxx EMU */ +#define ETM_BASE (L4_EMU_34XX_PHYS + 0x10000) +#define DBG_BASE (L4_EMU_34XX_PHYS + 0x11000) +#define ETB_BASE (L4_EMU_34XX_PHYS + 0x1b000) +#define DAPCTL (L4_EMU_34XX_PHYS + 0x1d000) + +static struct amba_device omap3_etb_device = { + .dev = { + .init_name = "etb", + }, + .res = { + .start = ETB_BASE, + .end = ETB_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + .periphid = 0x000bb907, +}; + +static struct amba_device omap3_etm_device = { + .dev = { + .init_name = "etm", + }, + .res = { + .start = ETM_BASE, + .end = ETM_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + .periphid = 0x102bb921, +}; + +static int __init emu_init(void) +{ + amba_device_register(&omap3_etb_device, &iomem_resource); + amba_device_register(&omap3_etm_device, &iomem_resource); + + return 0; +} + +subsys_initcall(emu_init); + |