diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-at91/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91rm9200.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91sam9.c | 46 | ||||
| -rw-r--r-- | arch/arm/mach-at91/sama5.c | 52 | ||||
| -rw-r--r-- | arch/arm/mach-at91/soc.c | 142 | ||||
| -rw-r--r-- | arch/arm/mach-at91/soc.h | 91 |
6 files changed, 3 insertions, 344 deletions
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 858ef14f961c..cfd8f60a9268 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -1,7 +1,6 @@ # # Makefile for the linux kernel. # -obj-y := soc.o # CPU-specific support obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index d068ec3cd1f6..656ad409a253 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -14,23 +14,10 @@ #include <asm/mach/arch.h> #include "generic.h" -#include "soc.h" - -static const struct at91_soc rm9200_socs[] = { - AT91_SOC(AT91RM9200_CIDR_MATCH, 0, "at91rm9200 BGA", "at91rm9200"), - { /* sentinel */ }, -}; static void __init at91rm9200_dt_device_init(void) { - struct soc_device *soc; - struct device *soc_dev = NULL; - - soc = at91_soc_init(rm9200_socs); - if (soc != NULL) - soc_dev = soc_device_to_device(soc); - - of_platform_default_populate(NULL, NULL, soc_dev); + of_platform_default_populate(NULL, NULL, NULL); at91rm9200_pm_init(); } diff --git a/arch/arm/mach-at91/at91sam9.c b/arch/arm/mach-at91/at91sam9.c index c089bfd0dc2f..3dbdef4d3cbf 100644 --- a/arch/arm/mach-at91/at91sam9.c +++ b/arch/arm/mach-at91/at91sam9.c @@ -14,54 +14,10 @@ #include <asm/system_misc.h> #include "generic.h" -#include "soc.h" - -static const struct at91_soc at91sam9_socs[] = { - AT91_SOC(AT91SAM9260_CIDR_MATCH, 0, "at91sam9260", NULL), - AT91_SOC(AT91SAM9261_CIDR_MATCH, 0, "at91sam9261", NULL), - AT91_SOC(AT91SAM9263_CIDR_MATCH, 0, "at91sam9263", NULL), - AT91_SOC(AT91SAM9G20_CIDR_MATCH, 0, "at91sam9g20", NULL), - AT91_SOC(AT91SAM9RL64_CIDR_MATCH, 0, "at91sam9rl64", NULL), - AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9M11_EXID_MATCH, - "at91sam9m11", "at91sam9g45"), - AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9M10_EXID_MATCH, - "at91sam9m10", "at91sam9g45"), - AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9G46_EXID_MATCH, - "at91sam9g46", "at91sam9g45"), - AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9G45_EXID_MATCH, - "at91sam9g45", "at91sam9g45"), - AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G15_EXID_MATCH, - "at91sam9g15", "at91sam9x5"), - AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G35_EXID_MATCH, - "at91sam9g35", "at91sam9x5"), - AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9X35_EXID_MATCH, - "at91sam9x35", "at91sam9x5"), - AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G25_EXID_MATCH, - "at91sam9g25", "at91sam9x5"), - AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9X25_EXID_MATCH, - "at91sam9x25", "at91sam9x5"), - AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9CN12_EXID_MATCH, - "at91sam9cn12", "at91sam9n12"), - AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9N12_EXID_MATCH, - "at91sam9n12", "at91sam9n12"), - AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9CN11_EXID_MATCH, - "at91sam9cn11", "at91sam9n12"), - AT91_SOC(AT91SAM9XE128_CIDR_MATCH, 0, "at91sam9xe128", "at91sam9xe128"), - AT91_SOC(AT91SAM9XE256_CIDR_MATCH, 0, "at91sam9xe256", "at91sam9xe256"), - AT91_SOC(AT91SAM9XE512_CIDR_MATCH, 0, "at91sam9xe512", "at91sam9xe512"), - { /* sentinel */ }, -}; static void __init at91sam9_init(void) { - struct soc_device *soc; - struct device *soc_dev = NULL; - - soc = at91_soc_init(at91sam9_socs); - if (soc != NULL) - soc_dev = soc_device_to_device(soc); - - of_platform_default_populate(NULL, NULL, soc_dev); + of_platform_default_populate(NULL, NULL, NULL); at91sam9_pm_init(); } diff --git a/arch/arm/mach-at91/sama5.c b/arch/arm/mach-at91/sama5.c index b272c45b400f..6d157d0ead8e 100644 --- a/arch/arm/mach-at91/sama5.c +++ b/arch/arm/mach-at91/sama5.c @@ -15,60 +15,10 @@ #include <asm/system_misc.h> #include "generic.h" -#include "soc.h" - -static const struct at91_soc sama5_socs[] = { - AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D21CU_EXID_MATCH, - "sama5d21", "sama5d2"), - AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D22CU_EXID_MATCH, - "sama5d22", "sama5d2"), - AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D23CU_EXID_MATCH, - "sama5d23", "sama5d2"), - AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D24CX_EXID_MATCH, - "sama5d24", "sama5d2"), - AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D24CU_EXID_MATCH, - "sama5d24", "sama5d2"), - AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D26CU_EXID_MATCH, - "sama5d26", "sama5d2"), - AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D27CU_EXID_MATCH, - "sama5d27", "sama5d2"), - AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D27CN_EXID_MATCH, - "sama5d27", "sama5d2"), - AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D28CU_EXID_MATCH, - "sama5d28", "sama5d2"), - AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D28CN_EXID_MATCH, - "sama5d28", "sama5d2"), - AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D31_EXID_MATCH, - "sama5d31", "sama5d3"), - AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D33_EXID_MATCH, - "sama5d33", "sama5d3"), - AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D34_EXID_MATCH, - "sama5d34", "sama5d3"), - AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D35_EXID_MATCH, - "sama5d35", "sama5d3"), - AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D36_EXID_MATCH, - "sama5d36", "sama5d3"), - AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D41_EXID_MATCH, - "sama5d41", "sama5d4"), - AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D42_EXID_MATCH, - "sama5d42", "sama5d4"), - AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D43_EXID_MATCH, - "sama5d43", "sama5d4"), - AT91_SOC(SAMA5D4_CIDR_MATCH, SAMA5D44_EXID_MATCH, - "sama5d44", "sama5d4"), - { /* sentinel */ }, -}; static void __init sama5_dt_device_init(void) { - struct soc_device *soc; - struct device *soc_dev = NULL; - - soc = at91_soc_init(sama5_socs); - if (soc != NULL) - soc_dev = soc_device_to_device(soc); - - of_platform_default_populate(NULL, NULL, soc_dev); + of_platform_default_populate(NULL, NULL, NULL); sama5_pm_init(); } diff --git a/arch/arm/mach-at91/soc.c b/arch/arm/mach-at91/soc.c deleted file mode 100644 index c6fda75ddb89..000000000000 --- a/arch/arm/mach-at91/soc.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * Copyright (C) 2015 Atmel - * - * Alexandre Belloni <alexandre.belloni@free-electrons.com - * Boris Brezillon <boris.brezillon@free-electrons.com - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - * - */ - -#define pr_fmt(fmt) "AT91: " fmt - -#include <linux/io.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/of_platform.h> -#include <linux/slab.h> -#include <linux/sys_soc.h> - -#include "soc.h" - -#define AT91_DBGU_CIDR 0x40 -#define AT91_DBGU_EXID 0x44 -#define AT91_CHIPID_CIDR 0x00 -#define AT91_CHIPID_EXID 0x04 -#define AT91_CIDR_VERSION(x) ((x) & 0x1f) -#define AT91_CIDR_EXT BIT(31) -#define AT91_CIDR_MATCH_MASK 0x7fffffe0 - -static int __init at91_get_cidr_exid_from_dbgu(u32 *cidr, u32 *exid) -{ - struct device_node *np; - void __iomem *regs; - - np = of_find_compatible_node(NULL, NULL, "atmel,at91rm9200-dbgu"); - if (!np) - np = of_find_compatible_node(NULL, NULL, - "atmel,at91sam9260-dbgu"); - if (!np) - return -ENODEV; - - regs = of_iomap(np, 0); - of_node_put(np); - - if (!regs) { - pr_warn("Could not map DBGU iomem range"); - return -ENXIO; - } - - *cidr = readl(regs + AT91_DBGU_CIDR); - *exid = readl(regs + AT91_DBGU_EXID); - - iounmap(regs); - - return 0; -} - -static int __init at91_get_cidr_exid_from_chipid(u32 *cidr, u32 *exid) -{ - struct device_node *np; - void __iomem *regs; - - np = of_find_compatible_node(NULL, NULL, "atmel,sama5d2-chipid"); - if (!np) - return -ENODEV; - - regs = of_iomap(np, 0); - of_node_put(np); - - if (!regs) { - pr_warn("Could not map DBGU iomem range"); - return -ENXIO; - } - - *cidr = readl(regs + AT91_CHIPID_CIDR); - *exid = readl(regs + AT91_CHIPID_EXID); - - iounmap(regs); - - return 0; -} - -struct soc_device * __init at91_soc_init(const struct at91_soc *socs) -{ - struct soc_device_attribute *soc_dev_attr; - const struct at91_soc *soc; - struct soc_device *soc_dev; - u32 cidr, exid; - int ret; - - /* - * With SAMA5D2 and later SoCs, CIDR and EXID registers are no more - * in the dbgu device but in the chipid device whose purpose is only - * to expose these two registers. - */ - ret = at91_get_cidr_exid_from_dbgu(&cidr, &exid); - if (ret) - ret = at91_get_cidr_exid_from_chipid(&cidr, &exid); - if (ret) { - if (ret == -ENODEV) - pr_warn("Could not find identification node"); - return NULL; - } - - for (soc = socs; soc->name; soc++) { - if (soc->cidr_match != (cidr & AT91_CIDR_MATCH_MASK)) - continue; - - if (!(cidr & AT91_CIDR_EXT) || soc->exid_match == exid) - break; - } - - if (!soc->name) { - pr_warn("Could not find matching SoC description\n"); - return NULL; - } - - soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); - if (!soc_dev_attr) - return NULL; - - soc_dev_attr->family = soc->family; - soc_dev_attr->soc_id = soc->name; - soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%X", - AT91_CIDR_VERSION(cidr)); - soc_dev = soc_device_register(soc_dev_attr); - if (IS_ERR(soc_dev)) { - kfree(soc_dev_attr->revision); - kfree(soc_dev_attr); - pr_warn("Could not register SoC device\n"); - return NULL; - } - - if (soc->family) - pr_info("Detected SoC family: %s\n", soc->family); - pr_info("Detected SoC: %s, revision %X\n", soc->name, - AT91_CIDR_VERSION(cidr)); - - return soc_dev; -} diff --git a/arch/arm/mach-at91/soc.h b/arch/arm/mach-at91/soc.h deleted file mode 100644 index 228efded5085..000000000000 --- a/arch/arm/mach-at91/soc.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * Copyright (C) 2015 Atmel - * - * Boris Brezillon <boris.brezillon@free-electrons.com - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - * - */ - -#ifndef __AT91_SOC_H -#define __AT91_SOC_H - -#include <linux/sys_soc.h> - -struct at91_soc { - u32 cidr_match; - u32 exid_match; - const char *name; - const char *family; -}; - -#define AT91_SOC(__cidr, __exid, __name, __family) \ - { \ - .cidr_match = (__cidr), \ - .exid_match = (__exid), \ - .name = (__name), \ - .family = (__family), \ - } - -struct soc_device * __init -at91_soc_init(const struct at91_soc *socs); - -#define AT91RM9200_CIDR_MATCH 0x09290780 - -#define AT91SAM9260_CIDR_MATCH 0x019803a0 -#define AT91SAM9261_CIDR_MATCH 0x019703a0 -#define AT91SAM9263_CIDR_MATCH 0x019607a0 -#define AT91SAM9G20_CIDR_MATCH 0x019905a0 -#define AT91SAM9RL64_CIDR_MATCH 0x019b03a0 -#define AT91SAM9G45_CIDR_MATCH 0x019b05a0 -#define AT91SAM9X5_CIDR_MATCH 0x019a05a0 -#define AT91SAM9N12_CIDR_MATCH 0x019a07a0 - -#define AT91SAM9M11_EXID_MATCH 0x00000001 -#define AT91SAM9M10_EXID_MATCH 0x00000002 -#define AT91SAM9G46_EXID_MATCH 0x00000003 -#define AT91SAM9G45_EXID_MATCH 0x00000004 - -#define AT91SAM9G15_EXID_MATCH 0x00000000 -#define AT91SAM9G35_EXID_MATCH 0x00000001 -#define AT91SAM9X35_EXID_MATCH 0x00000002 -#define AT91SAM9G25_EXID_MATCH 0x00000003 -#define AT91SAM9X25_EXID_MATCH 0x00000004 - -#define AT91SAM9CN12_EXID_MATCH 0x00000005 -#define AT91SAM9N12_EXID_MATCH 0x00000006 -#define AT91SAM9CN11_EXID_MATCH 0x00000009 - -#define AT91SAM9XE128_CIDR_MATCH 0x329973a0 -#define AT91SAM9XE256_CIDR_MATCH 0x329a93a0 -#define AT91SAM9XE512_CIDR_MATCH 0x329aa3a0 - -#define SAMA5D2_CIDR_MATCH 0x0a5c08c0 -#define SAMA5D21CU_EXID_MATCH 0x0000005a -#define SAMA5D22CU_EXID_MATCH 0x00000059 -#define SAMA5D22CN_EXID_MATCH 0x00000069 -#define SAMA5D23CU_EXID_MATCH 0x00000058 -#define SAMA5D24CX_EXID_MATCH 0x00000004 -#define SAMA5D24CU_EXID_MATCH 0x00000014 -#define SAMA5D26CU_EXID_MATCH 0x00000012 -#define SAMA5D27CU_EXID_MATCH 0x00000011 -#define SAMA5D27CN_EXID_MATCH 0x00000021 -#define SAMA5D28CU_EXID_MATCH 0x00000010 -#define SAMA5D28CN_EXID_MATCH 0x00000020 - -#define SAMA5D3_CIDR_MATCH 0x0a5c07c0 -#define SAMA5D31_EXID_MATCH 0x00444300 -#define SAMA5D33_EXID_MATCH 0x00414300 -#define SAMA5D34_EXID_MATCH 0x00414301 -#define SAMA5D35_EXID_MATCH 0x00584300 -#define SAMA5D36_EXID_MATCH 0x00004301 - -#define SAMA5D4_CIDR_MATCH 0x0a5c07c0 -#define SAMA5D41_EXID_MATCH 0x00000001 -#define SAMA5D42_EXID_MATCH 0x00000002 -#define SAMA5D43_EXID_MATCH 0x00000003 -#define SAMA5D44_EXID_MATCH 0x00000004 - -#endif /* __AT91_SOC_H */ |
