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soc/mediatek: Extract spm_parse_firmware to common 

spm_parse_firmware can be shared by MT8192 and MT8195.

TEST=emerge-asurada coreboot;

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: I54d9672aa9ee9078ec9fe3fa4f2e9fe860a50636
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55139
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Rex-BC Chen 2021-06-01 11:22:32 +08:00 committed by Hung-Te Lin
parent c6c54439f8
commit 80373767ed
4 changed files with 66 additions and 46 deletions
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9
src/soc/mediatek/common/include/soc/spm_common.h Normal file
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@ -0,0 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef SOC_MEDIATEK_SPM_COMMON_H
#define SOC_MEDIATEK_SPM_COMMON_H
#include <soc/mcu_common.h>
void spm_parse_firmware(struct mtk_mcu *mcu);
#endif /* SOC_MEDIATEK_SPM_COMMON_H */

55
src/soc/mediatek/common/spm.c Normal file
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@ -0,0 +1,55 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <assert.h>
#include <console/console.h>
#include <soc/mcu_common.h>
#include <soc/spm.h>
#include <soc/spm_common.h>
#include <string.h>
#include <timer.h>
#define SPMFW_HEADER_SIZE 16
void spm_parse_firmware(struct mtk_mcu *mcu)
{
size_t file_size, copy_size;
int offset;
u16 firmware_size;
struct dyna_load_pcm *pcm = (struct dyna_load_pcm *)mcu->priv;
file_size = mcu->run_size;
/*
* spmfw layout:
* u16 firmware_size
* u32 binary[firmware_size]
* struct pcm_desc descriptor
* char *version
*/
/* Firmware size */
offset = 0;
copy_size = sizeof(firmware_size);
memcpy(&firmware_size, mcu->load_buffer + offset, copy_size);
printk(BIOS_DEBUG, "SPM: binary array size = %#x\n", firmware_size);
/* Binary */
offset = SPMFW_HEADER_SIZE; /* binary start offset */
copy_size = firmware_size * sizeof(u32);
assert(offset < file_size);
pcm->buf = (u8 *)(mcu->load_buffer + offset);
/* Descriptor */
offset += copy_size;
assert(offset < file_size);
copy_size = sizeof(pcm->desc);
memcpy(&pcm->desc, mcu->load_buffer + offset, copy_size);
/* Firmware size and total words need to be the same */
assert(firmware_size == pcm->desc.total_words);
/* Version */
offset += copy_size;
assert(offset < file_size);
printk(BIOS_INFO, "SPM: spmfw (version %s)\n", (u8 *)mcu->load_buffer + offset);
}

2
src/soc/mediatek/mt8192/Makefile.inc
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@ -60,7 +60,7 @@ ramstage-y += ../common/mtcmos.c mtcmos.c
ramstage-y += ../common/pmif.c
ramstage-y += ../common/rtc.c ../common/rtc_mt6359p.c
ramstage-y += soc.c
ramstage-y += spm.c
ramstage-y += ../common/spm.c spm.c
ramstage-y += ../common/sspm.c
ramstage-y += ../common/timer.c
ramstage-y += ../common/uart.c

46
src/soc/mediatek/mt8192/spm.c
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@ -6,12 +6,12 @@
#include <device/mmio.h>
#include <soc/mcu_common.h>
#include <soc/spm.h>
#include <soc/spm_common.h>
#include <soc/symbols.h>
#include <string.h>
#include <timer.h>
#define SPM_SYSTEM_BASE_OFFSET 0x40000000
#define SPMFW_HEADER_SIZE 16
static const struct pwr_ctrl spm_init_ctrl = {
/* Auto-gen Start */
@ -476,50 +476,6 @@ static void spm_init_pcm_register(void)
write32(&mtk_spm->pcm_pwr_io_en, 0);
}
static void spm_parse_firmware(struct mtk_mcu *mcu)
{
size_t file_size, copy_size;
int offset;
u16 firmware_size;
struct dyna_load_pcm *pcm = (struct dyna_load_pcm *)mcu->priv;
file_size = mcu->run_size;
/*
* spmfw layout:
* u16 firmware_size
* u32 binary[firmware_size]
* struct pcm_desc descriptor
* char *version
*/
/* Firmware size */
offset = 0;
copy_size = sizeof(firmware_size);
memcpy(&firmware_size, mcu->load_buffer + offset, copy_size);
printk(BIOS_DEBUG, "SPM: binary array size = %#x\n", firmware_size);
/* Binary */
offset = SPMFW_HEADER_SIZE; /* binary start offset */
copy_size = firmware_size * sizeof(u32);
assert(offset < file_size);
pcm->buf = (u8 *)(mcu->load_buffer + offset);
/* Descriptor */
offset += copy_size;
assert(offset < file_size);
copy_size = sizeof(pcm->desc);
memcpy(&pcm->desc, mcu->load_buffer + offset, copy_size);
/* Firmware size and total words need to be the same */
assert(firmware_size == pcm->desc.total_words);
/* Version */
offset += copy_size;
assert(offset < file_size);
printk(BIOS_INFO, "SPM: spmfw (version %s)\n", (u8 *)mcu->load_buffer + offset);
}
static void spm_set_wakeup_event(const struct pwr_ctrl *pwrctrl)
{
u32 val, mask;