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soc: st: stm32: stm32h7x

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This change splits eth sram region name definition
and configuration.
In the end the configuration is stored only once
er declared name.
This name shall increase readability and maintainability

Signed-off-by: Alexander Kozhinov <ak.alexander.kozhinov@gmail.com>
This commit is contained in:
Alexander Kozhinov 2025-02-07 22:03:07 +01:00 • committed by Benjamin Cabé
commit 2f211f415b
2 changed files with 24 additions and 25 deletions
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20
soc/st/stm32/stm32h7x/mpu_regions.c
View file

@ -22,19 +22,19 @@ static const struct arm_mpu_region mpu_regions[] = {
MPU_RASR_XN_Msk | P_RW_U_NA_Msk) }),
#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(mac))
#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(sram3))
MPU_REGION_ENTRY("SRAM3_ETH_BUF",
DT_REG_ADDR(DT_NODELABEL(sram3)),
REGION_RAM_NOCACHE_ATTR(REGION_16K)),
MPU_REGION_ENTRY("SRAM3_ETH_DESC",
DT_REG_ADDR(DT_NODELABEL(sram3)),
REGION_PPB_ATTR(REGION_256B)),
#define sram_eth_node DT_NODELABEL(sram3)
#else
MPU_REGION_ENTRY("SRAM2_ETH_BUF",
DT_REG_ADDR(DT_NODELABEL(sram2)),
#define sram_eth_node DT_NODELABEL(sram2)
#endif
#if DT_NODE_HAS_STATUS_OKAY(sram_eth_node)
MPU_REGION_ENTRY("SRAM_ETH_BUF",
DT_REG_ADDR(sram_eth_node),
REGION_RAM_NOCACHE_ATTR(REGION_16K)),
MPU_REGION_ENTRY("SRAM2_ETH_DESC",
DT_REG_ADDR(DT_NODELABEL(sram2)),
MPU_REGION_ENTRY("SRAM_ETH_DESC",
DT_REG_ADDR(sram_eth_node),
REGION_PPB_ATTR(REGION_256B)),
#endif
#endif

29
soc/st/stm32/stm32h7x/sections.ld
View file

@ -4,24 +4,23 @@
* SPDX-License-Identifier: Apache-2.0
*/
#if DT_NODE_HAS_STATUS(DT_NODELABEL(mac), okay)
#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(mac))
#if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(sram3))
#define sram_eth_node DT_NODELABEL(sram3)
#else
#define sram_eth_node DT_NODELABEL(sram2)
#endif
#if DT_NODE_HAS_STATUS_OKAY(sram_eth_node)
SECTION_DATA_PROLOGUE(eth_stm32,(NOLOAD),)
{
#if DT_NODE_HAS_STATUS(DT_NODELABEL(sram3), okay)
. = ABSOLUTE(DT_REG_ADDR(DT_NODELABEL(sram3)));
. = ABSOLUTE(DT_REG_ADDR(sram_eth_node));
*(.eth_stm32_desc)
. = ABSOLUTE(DT_REG_ADDR(DT_NODELABEL(sram3))) + 256;
. = ABSOLUTE(DT_REG_ADDR(sram_eth_node)) + 256;
*(.eth_stm32_buf)
. = ABSOLUTE(DT_REG_ADDR(DT_NODELABEL(sram3))) + 16K;
} GROUP_DATA_LINK_IN(LINKER_DT_NODE_REGION_NAME(DT_NODELABEL(sram3)), LINKER_DT_NODE_REGION_NAME(DT_NODELABEL(sram3)))
. = ABSOLUTE(DT_REG_ADDR(sram_eth_node)) + 16K;
} GROUP_DATA_LINK_IN(LINKER_DT_NODE_REGION_NAME(sram_eth_node), LINKER_DT_NODE_REGION_NAME(sram_eth_node))
#endif
#else
. = ABSOLUTE(DT_REG_ADDR(DT_NODELABEL(sram2)));
*(.eth_stm32_desc)
. = ABSOLUTE(DT_REG_ADDR(DT_NODELABEL(sram2))) + 256;
*(.eth_stm32_buf)
. = ABSOLUTE(DT_REG_ADDR(DT_NODELABEL(sram2))) + 16K;
} GROUP_DATA_LINK_IN(LINKER_DT_NODE_REGION_NAME(DT_NODELABEL(sram2)), LINKER_DT_NODE_REGION_NAME(DT_NODELABEL(sram2)))
#endif
#endif
#endif /* DT_NODE_HAS_STATUS(DT_NODELABEL(mac), okay) */