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driver: esp32: add bluetooth support

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Add support to BLE and BR/EDR feature.

Signed-off-by: Sylvio Alves <sylvio.alves@espressif.com>
This commit is contained in:
Sylvio Alves 2021-04-01 00:51:49 -03:00 • committed by Anas Nashif
commit a3c35c93ff
8 changed files with 389 additions and 6 deletions
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11
soc/xtensa/esp32/Kconfig.soc
View file

@ -7,12 +7,19 @@ config SOC_ESP32
select CLOCK_CONTROL
select CLOCK_CONTROL_ESP32
if SOC_ESP32
config IDF_TARGET_ESP32
bool "ESP32 as target board"
default y
depends on SOC_ESP32
config ESPTOOLPY_FLASHFREQ_80M
bool
default y
depends on SOC_ESP32
config ESP32_BT_RESERVE_DRAM
hex "Bluetooth controller reserved RAM region"
default 0xdb5c if BT
default 0
endif # SOC_ESP32

43
soc/xtensa/esp32/linker.ld
View file

@ -39,9 +39,8 @@ MEMORY
*
* FIXME:
* - Utilize available memory regions to full capacity
* - Reserve memory region for BT controller library from ROM
*/
dram0_0_seg(RW): org = 0x3FFB0000, len = 0x30000
dram0_0_seg(RW): org = 0x3FFB0000 + CONFIG_ESP32_BT_RESERVE_DRAM, len = 0x2c200 - CONFIG_ESP32_BT_RESERVE_DRAM
dram0_1_seg(RW): org = 0x3FFE4350, len = 0x1BCB0
drom0_0_seg(R): org = 0x3F400020, len = 0x400000-0x20
rtc_iram_seg(RWX): org = 0x400C0000, len = 0x2000
@ -206,6 +205,12 @@ _net_buf_pool_list = _esp_net_buf_pool_list;
.dram0.data :
{
_data_start = ABSOLUTE(.);
_btdm_data_start = ABSOLUTE(.);
*libbtdm_app.a:(.data .data.*)
. = ALIGN (4);
_btdm_data_end = ABSOLUTE(.);
*(.data)
*(.data.*)
*(.gnu.linkonce.d.*)
@ -260,6 +265,26 @@ _net_buf_pool_list = _esp_net_buf_pool_list;
. = ALIGN(4);
#endif
#if defined(CONFIG_BT_BREDR)
. = ALIGN(4);
Z_LINK_ITERABLE(bt_l2cap_br_fixed_chan);
. = ALIGN(4);
#endif
#if defined(CONFIG_BT_MESH)
Z_LINK_ITERABLE(bt_mesh_subnet_cb);
Z_LINK_ITERABLE(bt_mesh_app_key_cb);
Z_LINK_ITERABLE(bt_mesh_hb_cb);
#endif
. = ALIGN(4);
Z_LINK_ITERABLE(bt_gatt_service_static);
. = ALIGN(4);
. = ALIGN(4);
Z_LINK_ITERABLE(bt_l2cap_fixed_chan);
. = ALIGN(4);
. = ALIGN(4);
Z_LINK_ITERABLE(shell);
. = ALIGN(4);
@ -363,6 +388,8 @@ __shell_root_cmds_end = __esp_shell_root_cmds_end;
#endif
_iram_text_end = ABSOLUTE(.);
. = ALIGN(4);
_iram_end = ABSOLUTE(.);
} GROUP_LINK_IN(IRAM_REGION)
.flash.text :
@ -396,6 +423,12 @@ __shell_root_cmds_end = __esp_shell_root_cmds_end;
{
. = ALIGN (8);
_bss_start = ABSOLUTE(.);
_btdm_bss_start = ABSOLUTE(.);
*libbtdm_app.a:(.bss .bss.* COMMON)
. = ALIGN (4);
_btdm_bss_end = ABSOLUTE(.);
*(.dynsbss)
*(.sbss)
*(.sbss.*)
@ -414,6 +447,9 @@ __shell_root_cmds_end = __esp_shell_root_cmds_end;
_bss_end = ABSOLUTE(.);
} GROUP_LINK_IN(RAMABLE_REGION)
ASSERT(((_bss_end - ORIGIN(dram0_0_seg)) <= LENGTH(dram0_0_seg)),
"DRAM segment data does not fit.")
SECTION_DATA_PROLOGUE(_NOINIT_SECTION_NAME, (NOLOAD),)
{
. = ALIGN (8);
@ -435,3 +471,6 @@ __shell_root_cmds_end = __esp_shell_root_cmds_end;
}
}
ASSERT(((_iram_end - ORIGIN(iram0_0_seg)) <= LENGTH(iram0_0_seg)),
"IRAM0 segment data does not fit.")