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Shrink the bootloader size for nrf52832 

nrf52832 is short of flash and we can shave a little size of the
bootloader... let's do that.

From c4579ff251/micropython/Adafruit_nRF52_Bootloader-dsd6.diff

[daniel@redfelineninja.org.uk: Seperated out of the main DS-D6 patch]
wasp-os-next
fanoush 2020-01-18 13:21:27 +00:00 committed by Daniel Thompson
parent 4d0e439229
commit b6857b85f0
3 changed files with 3 additions and 3 deletions
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2
lib/sdk11/components/libraries/bootloader_dfu/dfu_types.h
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@ -39,7 +39,7 @@
// Flash = 512 KB
#if defined(NRF52832_XXAA) || defined(NRF52833_XXAA)
#define BOOTLOADER_REGION_START 0x00074000 /**< This field should correspond to start address of the bootloader, found in UICR.RESERVED, 0x10001014, register. This value is used for sanity check, so the bootloader will fail immediately if this value differs from runtime value. The value is used to determine max application size for updating. */
#define BOOTLOADER_REGION_START 0x00078000 /**< This field should correspond to start address of the bootloader, found in UICR.RESERVED, 0x10001014, register. This value is used for sanity check, so the bootloader will fail immediately if this value differs from runtime value. The value is used to determine max application size for updating. */
#define BOOTLOADER_SETTINGS_ADDRESS 0x0007F000 /**< The field specifies the page location of the bootloader settings address. */
#define BOOTLOADER_MBR_PARAMS_PAGE_ADDRESS 0x0007E000 /**< The field specifies the page location of the mbr params page address. */

2
src/linker/nrf52_s132_v6.ld
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@ -11,7 +11,7 @@ MEMORY
* those values do not match. The check is performed in main.c, see
* APP_ERROR_CHECK_BOOL(*((uint32_t *)NRF_UICR_BOOT_START_ADDRESS) == BOOTLOADER_REGION_START);
*/
FLASH (rx) : ORIGIN = 0x74000, LENGTH = 0x7E000-0x74000 /* 40 KB */
FLASH (rx) : ORIGIN = 0x78000, LENGTH = 0x7E000-0x78000 /* 40 KB */
/** Location of mbr params page in flash. */
MBR_PARAMS_PAGE (rw) : ORIGIN = 0x7E000, LENGTH = 0x1000

2
src/main.c
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@ -125,7 +125,7 @@ enum { BLE_CONN_CFG_HIGH_BANDWIDTH = 1 };
#else
// Flash 512 KB
STATIC_ASSERT( APPDATA_ADDR_START == 0x6D000);
STATIC_ASSERT( APPDATA_ADDR_START == 0x71000);
#endif