diff options
author | Tom Rini <trini@ti.com> | 2014-12-11 18:28:09 -0500 |
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committer | Tom Rini <trini@ti.com> | 2014-12-11 18:28:09 -0500 |
commit | 2c49323d5de38e119f102fa3f5fb291c4bc4e8a0 (patch) | |
tree | f64ddb2b5c393f6fac9a54dc98ea72c118922d70 /arch/arm/cpu/armv7/ls102xa | |
parent | 9b416a9f4ca7cf5ac4d5f7143d67edde7f7d7326 (diff) | |
parent | d0419f400af6f4bbe5c4ee5c97f6fbbdedec6cf3 (diff) | |
download | u-boot-imx-2c49323d5de38e119f102fa3f5fb291c4bc4e8a0.zip u-boot-imx-2c49323d5de38e119f102fa3f5fb291c4bc4e8a0.tar.gz u-boot-imx-2c49323d5de38e119f102fa3f5fb291c4bc4e8a0.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-fsl-qoriq
Diffstat (limited to 'arch/arm/cpu/armv7/ls102xa')
-rw-r--r-- | arch/arm/cpu/armv7/ls102xa/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/ls102xa/cpu.c | 34 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/ls102xa/fdt.c | 2 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/ls102xa/fsl_epu.c | 57 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/ls102xa/fsl_epu.h | 68 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/ls102xa/spl.c | 33 |
6 files changed, 195 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/Makefile b/arch/arm/cpu/armv7/ls102xa/Makefile index d82ce8d..2e6a207 100644 --- a/arch/arm/cpu/armv7/ls102xa/Makefile +++ b/arch/arm/cpu/armv7/ls102xa/Makefile @@ -7,6 +7,8 @@ obj-y += cpu.o obj-y += clock.o obj-y += timer.o +obj-y += fsl_epu.o obj-$(CONFIG_OF_LIBFDT) += fdt.o obj-$(CONFIG_SYS_HAS_SERDES) += fsl_ls1_serdes.o ls102xa_serdes.o +obj-$(CONFIG_SPL) += spl.o diff --git a/arch/arm/cpu/armv7/ls102xa/cpu.c b/arch/arm/cpu/armv7/ls102xa/cpu.c index b7dde45..ce2d92f 100644 --- a/arch/arm/cpu/armv7/ls102xa/cpu.c +++ b/arch/arm/cpu/armv7/ls102xa/cpu.c @@ -12,6 +12,8 @@ #include <netdev.h> #include <fsl_esdhc.h> +#include "fsl_epu.h" + DECLARE_GLOBAL_DATA_PTR; #if defined(CONFIG_DISPLAY_CPUINFO) @@ -101,3 +103,35 @@ int cpu_eth_init(bd_t *bis) return 0; } + +int arch_cpu_init(void) +{ + void *epu_base = (void *)(CONFIG_SYS_DCSRBAR + EPU_BLOCK_OFFSET); + + /* + * After wakeup from deep sleep, Clear EPU registers + * as early as possible to prevent from possible issue. + * It's also safe to clear at normal boot. + */ + fsl_epu_clean(epu_base); + + return 0; +} + +#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) +/* Set the address at which the secondary core starts from.*/ +void smp_set_core_boot_addr(unsigned long addr, int corenr) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + + out_be32(&gur->scratchrw[0], addr); +} + +/* Release the secondary core from holdoff state and kick it */ +void smp_kick_all_cpus(void) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + + out_be32(&gur->brrl, 0x2); +} +#endif diff --git a/arch/arm/cpu/armv7/ls102xa/fdt.c b/arch/arm/cpu/armv7/ls102xa/fdt.c index 4ce3808..989780d 100644 --- a/arch/arm/cpu/armv7/ls102xa/fdt.c +++ b/arch/arm/cpu/armv7/ls102xa/fdt.c @@ -91,7 +91,7 @@ void ft_cpu_setup(void *blob, bd_t *bd) } do_fixup_by_prop_u32(blob, "device_type", "soc", - 4, "bus-frequency", busclk / 2, 1); + 4, "bus-frequency", busclk, 1); ft_fixup_enet_phy_connect_type(blob); diff --git a/arch/arm/cpu/armv7/ls102xa/fsl_epu.c b/arch/arm/cpu/armv7/ls102xa/fsl_epu.c new file mode 100644 index 0000000..6212640 --- /dev/null +++ b/arch/arm/cpu/armv7/ls102xa/fsl_epu.c @@ -0,0 +1,57 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> + +#include "fsl_epu.h" + +/** + * fsl_epu_clean - Clear EPU registers + */ +void fsl_epu_clean(void *epu_base) +{ + u32 offset; + + /* follow the exact sequence to clear the registers */ + /* Clear EPACRn */ + for (offset = EPACR0; offset <= EPACR15; offset += EPACR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPEVTCRn */ + for (offset = EPEVTCR0; offset <= EPEVTCR9; offset += EPEVTCR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPGCR */ + out_be32(epu_base + EPGCR, 0); + + /* Clear EPSMCRn */ + for (offset = EPSMCR0; offset <= EPSMCR15; offset += EPSMCR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPCCRn */ + for (offset = EPCCR0; offset <= EPCCR31; offset += EPCCR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPCMPRn */ + for (offset = EPCMPR0; offset <= EPCMPR31; offset += EPCMPR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPCTRn */ + for (offset = EPCTR0; offset <= EPCTR31; offset += EPCTR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPIMCRn */ + for (offset = EPIMCR0; offset <= EPIMCR31; offset += EPIMCR_STRIDE) + out_be32(epu_base + offset, 0); + + /* Clear EPXTRIGCRn */ + out_be32(epu_base + EPXTRIGCR, 0); + + /* Clear EPECRn */ + for (offset = EPECR0; offset <= EPECR15; offset += EPECR_STRIDE) + out_be32(epu_base + offset, 0); +} diff --git a/arch/arm/cpu/armv7/ls102xa/fsl_epu.h b/arch/arm/cpu/armv7/ls102xa/fsl_epu.h new file mode 100644 index 0000000..d658aad --- /dev/null +++ b/arch/arm/cpu/armv7/ls102xa/fsl_epu.h @@ -0,0 +1,68 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __FSL_EPU_H +#define __FSL_EPU_H + +#include <asm/types.h> + +#define FSL_STRIDE_4B 4 +#define FSL_STRIDE_8B 8 + +/* Block offsets */ +#define EPU_BLOCK_OFFSET 0x00000000 + +/* EPGCR (Event Processor Global Control Register) */ +#define EPGCR 0x000 + +/* EPEVTCR0-9 (Event Processor EVT Pin Control Registers) */ +#define EPEVTCR0 0x050 +#define EPEVTCR9 0x074 +#define EPEVTCR_STRIDE FSL_STRIDE_4B + +/* EPXTRIGCR (Event Processor Crosstrigger Control Register) */ +#define EPXTRIGCR 0x090 + +/* EPIMCR0-31 (Event Processor Input Mux Control Registers) */ +#define EPIMCR0 0x100 +#define EPIMCR31 0x17C +#define EPIMCR_STRIDE FSL_STRIDE_4B + +/* EPSMCR0-15 (Event Processor SCU Mux Control Registers) */ +#define EPSMCR0 0x200 +#define EPSMCR15 0x278 +#define EPSMCR_STRIDE FSL_STRIDE_8B + +/* EPECR0-15 (Event Processor Event Control Registers) */ +#define EPECR0 0x300 +#define EPECR15 0x33C +#define EPECR_STRIDE FSL_STRIDE_4B + +/* EPACR0-15 (Event Processor Action Control Registers) */ +#define EPACR0 0x400 +#define EPACR15 0x43C +#define EPACR_STRIDE FSL_STRIDE_4B + +/* EPCCRi0-15 (Event Processor Counter Control Registers) */ +#define EPCCR0 0x800 +#define EPCCR15 0x83C +#define EPCCR31 0x87C +#define EPCCR_STRIDE FSL_STRIDE_4B + +/* EPCMPR0-15 (Event Processor Counter Compare Registers) */ +#define EPCMPR0 0x900 +#define EPCMPR15 0x93C +#define EPCMPR31 0x97C +#define EPCMPR_STRIDE FSL_STRIDE_4B + +/* EPCTR0-31 (Event Processor Counter Register) */ +#define EPCTR0 0xA00 +#define EPCTR31 0xA7C +#define EPCTR_STRIDE FSL_STRIDE_4B + +void fsl_epu_clean(void *epu_base); + +#endif diff --git a/arch/arm/cpu/armv7/ls102xa/spl.c b/arch/arm/cpu/armv7/ls102xa/spl.c new file mode 100644 index 0000000..1dfbf54 --- /dev/null +++ b/arch/arm/cpu/armv7/ls102xa/spl.c @@ -0,0 +1,33 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spl.h> + +u32 spl_boot_device(void) +{ +#ifdef CONFIG_SPL_MMC_SUPPORT + return BOOT_DEVICE_MMC1; +#endif + return BOOT_DEVICE_NAND; +} + +u32 spl_boot_mode(void) +{ + switch (spl_boot_device()) { + case BOOT_DEVICE_MMC1: +#ifdef CONFIG_SPL_FAT_SUPPORT + return MMCSD_MODE_FAT; +#else + return MMCSD_MODE_RAW; +#endif + case BOOT_DEVICE_NAND: + return 0; + default: + puts("spl: error: unsupported device\n"); + hang(); + } +} |