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feat(synquacer): add FWU Multi Bank Update support

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Add FWU Multi Bank Update support. This reads the platform metadata
and update the FIP base address so that BL2 can load correct BL3X
based on the boot index.

Cc: Sumit Garg <sumit.garg@linaro.org>
Cc: Masahisa Kojima <masahisa.kojima@linaro.org>
Cc: Manish V Badarkhe <manish.badarkhe@arm.com>
Cc: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I5d96972bc4b3b9a12a8157117e53a05da5ce89f6
Signed-off-by: Masami Hiramatsu <masami.hiramatsu@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
This commit is contained in:
Jassi Brar 2022-05-23 13:16:01 -05:00
parent 19aaeea00b
commit a19382521c
2 changed files with 32 additions and 1 deletions
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5
plat/socionext/synquacer/include/platform_def.h
View file

@ -54,6 +54,9 @@
#define BL2_MAILBOX_BASE 0x0403f000
#define BL2_MAILBOX_SIZE 0x1000
#define PLAT_SQ_BOOTIDX_BASE 0x08510000
#define PLAT_SQ_MAX_BOOT_INDEX 2
#define MAX_IO_HANDLES 2
#define MAX_IO_DEVICES 2
#define MAX_IO_BLOCK_DEVICES U(1)
@ -81,7 +84,7 @@
#define PLAT_SQ_BL33_BASE 0xe0000000
#define PLAT_SQ_BL33_SIZE 0x00100000
/* FIP IO base */
/* FWU FIP IO base */
#define PLAT_SQ_FIP_IOBASE 0x08600000
#define PLAT_SQ_FIP_MAXSIZE 0x00400000

28
plat/socionext/synquacer/sq_io_storage.c
View file

@ -156,10 +156,38 @@ static const struct sq_io_policy sq_io_policies[] = {
#endif
};
static int sq_update_fip_spec(void)
{
uint32_t boot_index;
int ret;
ret = mmap_add_dynamic_region(PLAT_SQ_BOOTIDX_BASE, PLAT_SQ_BOOTIDX_BASE,
PAGE_SIZE, MT_RO_DATA | MT_SECURE);
if (ret) {
return ret;
}
boot_index = mmio_read_32(PLAT_SQ_BOOTIDX_BASE);
if (boot_index < PLAT_SQ_MAX_BOOT_INDEX) {
sq_fip_spec.offset += PLAT_SQ_FIP_MAXSIZE * boot_index;
INFO("FWU Enabled: boot_index %d\n", boot_index);
} else {
WARN("FWU Disabled: wrong boot_index value. Fallback to index 0.\n");
}
mmap_remove_dynamic_region(PLAT_SQ_BOOTIDX_BASE, PAGE_SIZE);
return 0;
}
static int sq_io_memmap_setup(void)
{
int ret;
ret = sq_update_fip_spec();
if (ret) {
return ret;
}
ret = mmap_add_dynamic_region(sq_fip_spec.offset, sq_fip_spec.offset,
sq_fip_spec.length, MT_RO_DATA | MT_SECURE);
if (ret) {