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authorArthur Heymans <arthur@aheymans.xyz>2020-11-06 12:15:41 +0100
committerArthur Heymans <arthur@aheymans.xyz>2020-11-13 19:27:16 +0000
commit165893b67be4a116a96b242bf4ee5370ec707b43 (patch)
tree3ddd050a10296c3f13649725f030710910b104a9 /src/soc
parent89e83b76b4d50d0977345becf504a1afa0668211 (diff)
downloadcoreboot-165893b67be4a116a96b242bf4ee5370ec707b43.tar.xz
soc/intel/xeon_sp: Change the return type of get_iio_stack_info()
The somewhat unrelated return value makes the function harder to understand and the return type is not consistently used. Use a different helper function to get the HOB Pci64BitResourceAllocation data. Change-Id: I9a03cbb0ebbb48cc052d4c082d359c0087aaeb3e Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/47298 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/xeon_sp/chip_common.c11
-rw-r--r--src/soc/intel/xeon_sp/cpx/include/soc/soc_util.h2
-rw-r--r--src/soc/intel/xeon_sp/cpx/soc_util.c4
-rw-r--r--src/soc/intel/xeon_sp/skx/include/soc/soc_util.h2
-rw-r--r--src/soc/intel/xeon_sp/skx/soc_util.c4
5 files changed, 13 insertions, 10 deletions
diff --git a/src/soc/intel/xeon_sp/chip_common.c b/src/soc/intel/xeon_sp/chip_common.c
index 5c78780656..47d8f5cc80 100644
--- a/src/soc/intel/xeon_sp/chip_common.c
+++ b/src/soc/intel/xeon_sp/chip_common.c
@@ -403,6 +403,13 @@ static void assign_stack_resources(struct iiostack_resource *stack_list,
}
}
+static uint8_t is_pci64bit_alloc(void)
+{
+ const IIO_UDS *hob = get_iio_uds();
+
+ return hob->PlatformData.Pci64BitResourceAllocation;
+}
+
static void xeonsp_pci_domain_read_resources(struct device *dev)
{
struct bus *link;
@@ -425,8 +432,8 @@ static void xeonsp_pci_domain_read_resources(struct device *dev)
xeonsp_pci_dev_iterator(link, xeonsp_reset_pci_op, NULL, NULL);
struct iiostack_resource stack_info = {0};
- uint8_t pci64bit_alloc_flag = get_iiostack_info(&stack_info);
- if (!pci64bit_alloc_flag) {
+ get_iiostack_info(&stack_info);
+ if (!is_pci64bit_alloc()) {
/*
* Split 32 bit address space between prefetchable and
* non-prefetchable windows
diff --git a/src/soc/intel/xeon_sp/cpx/include/soc/soc_util.h b/src/soc/intel/xeon_sp/cpx/include/soc/soc_util.h
index 649e6b5004..e3c971d49f 100644
--- a/src/soc/intel/xeon_sp/cpx/include/soc/soc_util.h
+++ b/src/soc/intel/xeon_sp/cpx/include/soc/soc_util.h
@@ -11,7 +11,7 @@ struct iiostack_resource {
STACK_RES res[MAX_SOCKET * MAX_LOGIC_IIO_STACK];
};
-uint8_t get_iiostack_info(struct iiostack_resource *info);
+void get_iiostack_info(struct iiostack_resource *info);
const struct SystemMemoryMapHob *get_system_memory_map(void);
diff --git a/src/soc/intel/xeon_sp/cpx/soc_util.c b/src/soc/intel/xeon_sp/cpx/soc_util.c
index d2d12d1eba..242fcfe4f2 100644
--- a/src/soc/intel/xeon_sp/cpx/soc_util.c
+++ b/src/soc/intel/xeon_sp/cpx/soc_util.c
@@ -27,7 +27,7 @@ const struct SystemMemoryMapHob *get_system_memory_map(void)
return *memmap_addr;
}
-uint8_t get_iiostack_info(struct iiostack_resource *info)
+void get_iiostack_info(struct iiostack_resource *info)
{
const IIO_UDS *hob = get_iio_uds();
@@ -42,8 +42,6 @@ uint8_t get_iiostack_info(struct iiostack_resource *info)
}
}
}
-
- return hob->PlatformData.Pci64BitResourceAllocation;
}
uint32_t get_socket_stack_busno(uint32_t socket, uint32_t stack)
diff --git a/src/soc/intel/xeon_sp/skx/include/soc/soc_util.h b/src/soc/intel/xeon_sp/skx/include/soc/soc_util.h
index b42aec0976..0f528110dd 100644
--- a/src/soc/intel/xeon_sp/skx/include/soc/soc_util.h
+++ b/src/soc/intel/xeon_sp/skx/include/soc/soc_util.h
@@ -11,7 +11,7 @@ struct iiostack_resource {
STACK_RES res[CONFIG_MAX_SOCKET * MAX_IIO_STACK];
};
-uint8_t get_iiostack_info(struct iiostack_resource *info);
+void get_iiostack_info(struct iiostack_resource *info);
void config_reset_cpl3_csrs(void);
diff --git a/src/soc/intel/xeon_sp/skx/soc_util.c b/src/soc/intel/xeon_sp/skx/soc_util.c
index af6dfcc341..d5e1ae13f4 100644
--- a/src/soc/intel/xeon_sp/skx/soc_util.c
+++ b/src/soc/intel/xeon_sp/skx/soc_util.c
@@ -55,7 +55,7 @@ const struct SystemMemoryMapHob *get_system_memory_map(void)
return memmap_addr;
}
-uint8_t get_iiostack_info(struct iiostack_resource *info)
+void get_iiostack_info(struct iiostack_resource *info)
{
const IIO_UDS *hob = get_iio_uds();
@@ -71,8 +71,6 @@ uint8_t get_iiostack_info(struct iiostack_resource *info)
memcpy(&info->res[info->no_of_stacks++], ri, sizeof(STACK_RES));
}
}
-
- return hob->PlatformData.Pci64BitResourceAllocation;
}
uint32_t get_socket_stack_busno(uint32_t socket, uint32_t stack)