diff options
| author | Jarried Lin <jarried.lin@mediatek.corp-partner.google.com> | 2024-08-20 15:46:33 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2024-08-24 12:58:22 +0000 |
| commit | 663666231ee366f28778a3f83230e6f7f8c1f257 (patch) | |
| tree | 47d4816bd43245be46fecc7bef9953994bf6ab6c /src | |
| parent | b16ac8d28034b1275a2cde2b3144d82bfcaf801f (diff) | |
soc/mediatek/mt8196: Add NOR-Flash support
Add NOR-Flash drivers for flash read/write.
TEST=read nor flash data successfully.
BUG=b:317009620
Change-Id: Id0a19f0520020f16c4cf9d62da4228a5b0371b91
Signed-off-by: Jarried Lin <jarried.lin@mediatek.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83923
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/mediatek/mt8196/Kconfig | 1 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8196/Makefile.mk | 1 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8196/include/soc/spi.h | 3 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8196/spi.c | 21 |
4 files changed, 26 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8196/Kconfig b/src/soc/mediatek/mt8196/Kconfig index 309622776e..57b62dd565 100644 --- a/src/soc/mediatek/mt8196/Kconfig +++ b/src/soc/mediatek/mt8196/Kconfig @@ -9,6 +9,7 @@ config SOC_MEDIATEK_MT8196 select ARCH_RAMSTAGE_ARMV8_64 select HAVE_UART_SPECIAL select SOC_MEDIATEK_COMMON + select FLASH_DUAL_IO_READ select ARM64_USE_ARCH_TIMER if SOC_MEDIATEK_MT8196 diff --git a/src/soc/mediatek/mt8196/Makefile.mk b/src/soc/mediatek/mt8196/Makefile.mk index 04f1ed1368..96aea39986 100644 --- a/src/soc/mediatek/mt8196/Makefile.mk +++ b/src/soc/mediatek/mt8196/Makefile.mk @@ -2,6 +2,7 @@ ifeq ($(CONFIG_SOC_MEDIATEK_MT8196),y) +all-y += ../common/flash_controller.c all-y += ../common/gpio.c ../common/gpio_op.c gpio.c all-$(CONFIG_SPI_FLASH) += spi.c all-y += timer.c diff --git a/src/soc/mediatek/mt8196/include/soc/spi.h b/src/soc/mediatek/mt8196/include/soc/spi.h index 69025d2a3d..43edc89c52 100644 --- a/src/soc/mediatek/mt8196/include/soc/spi.h +++ b/src/soc/mediatek/mt8196/include/soc/spi.h @@ -10,4 +10,7 @@ #include <spi-generic.h> +/* Initialize SPI NOR Flash Controller */ +void mtk_snfc_init(void); + #endif diff --git a/src/soc/mediatek/mt8196/spi.c b/src/soc/mediatek/mt8196/spi.c index 11bbb5f143..09cd073f8a 100644 --- a/src/soc/mediatek/mt8196/spi.c +++ b/src/soc/mediatek/mt8196/spi.c @@ -6,16 +6,37 @@ */ #include <device/mmio.h> +#include <gpio.h> #include <soc/addressmap.h> +#include <soc/flash_controller_common.h> #include <soc/spi.h> +#include <spi_flash.h> + +#define PAD_FUNC_SEL(name, func, sel) {GPIO(name), PAD_##name##_FUNC_##func, sel} + +static const struct mtk_snfc_pad_func nor_pinmux[4] = { + PAD_FUNC_SEL(SDA10, SF_CK, GPIO_PULL_DOWN), + PAD_FUNC_SEL(SCL10, SF_CS, GPIO_PULL_UP), + PAD_FUNC_SEL(PERIPHERAL_EN5, SF_D0, GPIO_PULL_DOWN), + PAD_FUNC_SEL(PERIPHERAL_EN6, SF_D1, GPIO_PULL_DOWN), +}; + +void mtk_snfc_init(void) +{ + for (size_t i = 0; i < ARRAY_SIZE(nor_pinmux); i++) + mtk_snfc_init_pad_func(&nor_pinmux[i], GPIO_DRV_14_MA); +} static const struct spi_ctrlr spi_flash_ctrlr = { .max_xfer_size = 65535, + .flash_probe = mtk_spi_flash_probe, }; const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = { { .ctrlr = &spi_flash_ctrlr, + .bus_start = CONFIG_BOOT_DEVICE_SPI_FLASH_BUS, + .bus_end = CONFIG_BOOT_DEVICE_SPI_FLASH_BUS, }, }; |