Yidi Lin has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/48972 )
Change subject: soc/mediatek/mt8192: Move flash_controller.c to common/ ......................................................................
soc/mediatek/mt8192: Move flash_controller.c to common/
The flash controller driver can be shared among mt8173 and mt819x.
TEST=boot to kernel on Asurada boot to kernel on Hana (w/o BL31)
Change-Id: I4e5213563189336496122a0f2d8077b3e5245314 Signed-off-by: Yidi Lin yidi.lin@mediatek.com --- R src/soc/mediatek/common/flash_controller.c R src/soc/mediatek/common/include/soc/flash_controller_common.h M src/soc/mediatek/mt8173/Makefile.inc D src/soc/mediatek/mt8173/flash_controller.c D src/soc/mediatek/mt8173/include/soc/flash_controller.h M src/soc/mediatek/mt8173/include/soc/symbols.h M src/soc/mediatek/mt8173/spi.c M src/soc/mediatek/mt8192/Kconfig M src/soc/mediatek/mt8192/Makefile.inc M src/soc/mediatek/mt8192/spi.c 10 files changed, 69 insertions(+), 360 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/72/48972/1
diff --git a/src/soc/mediatek/mt8192/flash_controller.c b/src/soc/mediatek/common/flash_controller.c similarity index 65% rename from src/soc/mediatek/mt8192/flash_controller.c rename to src/soc/mediatek/common/flash_controller.c index aa43af6..04dc422 100644 --- a/src/soc/mediatek/mt8192/flash_controller.c +++ b/src/soc/mediatek/common/flash_controller.c @@ -3,7 +3,8 @@ #include <assert.h> #include <console/console.h> #include <device/mmio.h> -#include <soc/flash_controller.h> +#include <soc/flash_controller_common.h> +#include <soc/symbols.h> #include <spi_flash.h> #include <spi-generic.h> #include <stdint.h> @@ -12,6 +13,8 @@ #include <timer.h> #include <types.h>
+static struct mtk_nor_regs *const mtk_nor = (void *)SFLASH_REG_BASE; + #define GET_NTH_BYTE(d, n) ((d >> (8 * n)) & 0xff)
static int polling_cmd(u32 val) @@ -20,7 +23,7 @@
stopwatch_init_usecs_expire(&sw, SFLASH_POLLINGREG_US);
- while ((read32(&mt8192_nor->cmd) & val) != 0) { + while ((read32(&mtk_nor->cmd) & val) != 0) { if (stopwatch_expired(&sw)) return -1; } @@ -28,20 +31,20 @@ return 0; }
-static int mt8192_nor_execute_cmd(u8 cmdval) +static int mtk_nor_execute_cmd(u8 cmdval) { u8 val = cmdval & ~SFLASH_AUTOINC;
- write8(&mt8192_nor->cmd, cmdval); + write8(&mtk_nor->cmd, cmdval); return polling_cmd(val); }
static int sflashhw_read_flash_status(u8 *value) { - if (mt8192_nor_execute_cmd(SFLASH_READSTATUS)) + if (mtk_nor_execute_cmd(SFLASH_READSTATUS)) return -1;
- *value = read8(&mt8192_nor->rdsr); + *value = read8(&mtk_nor->rdsr); return 0; }
@@ -65,9 +68,9 @@ /* set serial flash program address */ static void set_sfpaddr(u32 addr) { - write8(&mt8192_nor->radr[2], GET_NTH_BYTE(addr, 2)); - write8(&mt8192_nor->radr[1], GET_NTH_BYTE(addr, 1)); - write8(&mt8192_nor->radr[0], GET_NTH_BYTE(addr, 0)); + write8(&mtk_nor->radr[2], GET_NTH_BYTE(addr, 2)); + write8(&mtk_nor->radr[1], GET_NTH_BYTE(addr, 1)); + write8(&mtk_nor->radr[0], GET_NTH_BYTE(addr, 0)); }
static int sector_erase(int offset) @@ -75,16 +78,16 @@ if (wait_for_write_done()) return -1;
- write8(&mt8192_nor->prgdata[5], SFLASH_OP_WREN); - write8(&mt8192_nor->cnt, 8); - mt8192_nor_execute_cmd(SFLASH_PRG_CMD); + write8(&mtk_nor->prgdata[5], SFLASH_OP_WREN); + write8(&mtk_nor->cnt, 8); + mtk_nor_execute_cmd(SFLASH_PRG_CMD);
- write8(&mt8192_nor->prgdata[5], SECTOR_ERASE_CMD); - write8(&mt8192_nor->prgdata[4], GET_NTH_BYTE(offset, 2)); - write8(&mt8192_nor->prgdata[3], GET_NTH_BYTE(offset, 1)); - write8(&mt8192_nor->prgdata[2], GET_NTH_BYTE(offset, 0)); - write8(&mt8192_nor->cnt, 32); - mt8192_nor_execute_cmd(SFLASH_PRG_CMD); + write8(&mtk_nor->prgdata[5], SECTOR_ERASE_CMD); + write8(&mtk_nor->prgdata[4], GET_NTH_BYTE(offset, 2)); + write8(&mtk_nor->prgdata[3], GET_NTH_BYTE(offset, 1)); + write8(&mtk_nor->prgdata[2], GET_NTH_BYTE(offset, 0)); + write8(&mtk_nor->cnt, 32); + mtk_nor_execute_cmd(SFLASH_PRG_CMD);
if (wait_for_write_done()) return -1; @@ -100,17 +103,17 @@ IS_ALIGNED(len, SFLASH_DMA_ALIGN));
/* do dma reset */ - write32(&mt8192_nor->fdma_ctl, SFLASH_DMA_SW_RESET); - write32(&mt8192_nor->fdma_ctl, SFLASH_DMA_WDLE_EN); + write32(&mtk_nor->fdma_ctl, SFLASH_DMA_SW_RESET); + write32(&mtk_nor->fdma_ctl, SFLASH_DMA_WDLE_EN); /* flash source address and dram dest address */ - write32(&mt8192_nor->fdma_fadr, addr); - write32(&mt8192_nor->fdma_dadr, dma_buf); - write32(&mt8192_nor->fdma_end_dadr, (dma_buf + len)); + write32(&mtk_nor->fdma_fadr, addr); + write32(&mtk_nor->fdma_dadr, dma_buf); + write32(&mtk_nor->fdma_end_dadr, (dma_buf + len)); /* start dma */ - write32(&mt8192_nor->fdma_ctl, SFLASH_DMA_TRIGGER | SFLASH_DMA_WDLE_EN); + write32(&mtk_nor->fdma_ctl, SFLASH_DMA_TRIGGER | SFLASH_DMA_WDLE_EN);
stopwatch_init_usecs_expire(&sw, SFLASH_POLLINGREG_US); - while ((read32(&mt8192_nor->fdma_ctl) & SFLASH_DMA_TRIGGER) != 0) { + while ((read32(&mtk_nor->fdma_ctl) & SFLASH_DMA_TRIGGER) != 0) { if (stopwatch_expired(&sw)) { printk(BIOS_WARNING, "dma read timeout!\n"); return -1; @@ -132,8 +135,21 @@ u32 done, read_len, copy_len; uint8_t *dest = (uint8_t *)buf;
- setbits8(&mt8192_nor->read_dual, SFLASH_READ_DUAL_EN); - write8(&mt8192_nor->prgdata[3], SFLASH_1_1_2_READ); + /* Refer to CB:13989 for the hardware limitation on mt8173. */ +#if CONFIG(SOC_MEDIATEK_MT8173) + if (ENV_BOOTBLOCK || ENV_SEPARATE_VERSTAGE) { + dma_buf = (uintptr_t)_dma_coherent; + dma_buf_len = REGION_SIZE(dma_coherent); + } else { + dma_buf = (uintptr_t)_dram_dma; + dma_buf_len = REGION_SIZE(dram_dma); + } +#endif + +#if CONFIG(FLASH_DUAL_READ_SUPPORTED) + setbits8(&mtk_nor->read_dual, SFLASH_READ_DUAL_EN); + write8(&mtk_nor->prgdata[3], SFLASH_1_1_2_READ); +#endif
/* DMA: start [ skip | len | drop ] = total end */ for (done = 0; done < total; dest += copy_len) { @@ -161,8 +177,8 @@
set_sfpaddr(addr); while (len) { - write8(&mt8192_nor->wdata, *buffer); - if (mt8192_nor_execute_cmd(SFLASH_WR_TRIGGER | SFLASH_AUTOINC)) + write8(&mtk_nor->wdata, *buffer); + if (mtk_nor_execute_cmd(SFLASH_WR_TRIGGER | SFLASH_AUTOINC)) return -1;
if (wait_for_write_done()) @@ -200,7 +216,7 @@ int mtk_spi_flash_probe(const struct spi_slave *spi, struct spi_flash *flash) { - write32(&mt8192_nor->wrprot, SFLASH_COMMAND_ENABLE); + write32(&mtk_nor->wrprot, SFLASH_COMMAND_ENABLE); memcpy(&flash->spi, spi, sizeof(*spi));
flash->sector_size = 0x1000; diff --git a/src/soc/mediatek/mt8192/include/soc/flash_controller.h b/src/soc/mediatek/common/include/soc/flash_controller_common.h similarity index 81% rename from src/soc/mediatek/mt8192/include/soc/flash_controller.h rename to src/soc/mediatek/common/include/soc/flash_controller_common.h index 5373a87..2da3805 100644 --- a/src/soc/mediatek/mt8192/include/soc/flash_controller.h +++ b/src/soc/mediatek/common/include/soc/flash_controller_common.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-only */
-#ifndef __SOC_MEDIATEK_MT8192_FLASH_CONTROLLER_H__ -#define __SOC_MEDIATEK_MT8192_FLASH_CONTROLLER_H__ +#ifndef __SOC_MEDIATEK_COMMON_FLASH_CONTROLLER_COMMON_H__ +#define __SOC_MEDIATEK_COMMON_FLASH_CONTROLLER_COMMON_H__
#include <spi-generic.h> #include <stdint.h> @@ -36,7 +36,7 @@ };
/* register Offset */ -struct mt8192_nor_regs { +struct mtk_nor_regs { u32 cmd; u32 cnt; u32 rdsr; @@ -73,9 +73,8 @@ u32 fdma_dadr; u32 fdma_end_dadr; }; -check_member(mt8192_nor_regs, fdma_end_dadr, 0x724); -static struct mt8192_nor_regs *const mt8192_nor = (void *)SFLASH_REG_BASE; +check_member(mtk_nor_regs, fdma_end_dadr, 0x724);
int mtk_spi_flash_probe(const struct spi_slave *spi, struct spi_flash *flash);
-#endif /* __SOC_MEDIATEK_MT8192_FLASH_CONTROLLER_H__ */ +#endif /* __SOC_MEDIATEK_COMMON_FLASH_CONTROLLER_COMMON_H__ */ diff --git a/src/soc/mediatek/mt8173/Makefile.inc b/src/soc/mediatek/mt8173/Makefile.inc index 871a689..e824e54 100644 --- a/src/soc/mediatek/mt8173/Makefile.inc +++ b/src/soc/mediatek/mt8173/Makefile.inc @@ -3,7 +3,7 @@ ifeq ($(CONFIG_SOC_MEDIATEK_MT8173),y)
bootblock-y += bootblock.c -bootblock-$(CONFIG_SPI_FLASH) += flash_controller.c +bootblock-$(CONFIG_SPI_FLASH) += ../common/flash_controller.c bootblock-y += ../common/i2c.c i2c.c bootblock-y += ../common/pll.c pll.c bootblock-y += ../common/spi.c spi.c @@ -27,12 +27,12 @@ verstage-y += ../common/timer.c verstage-y += timer.c verstage-y += ../common/wdt.c ../common/reset.c -verstage-$(CONFIG_SPI_FLASH) += flash_controller.c +verstage-$(CONFIG_SPI_FLASH) += ../common/flash_controller.c verstage-y += ../common/gpio.c gpio.c
################################################################################
-romstage-$(CONFIG_SPI_FLASH) += flash_controller.c +romstage-$(CONFIG_SPI_FLASH) += ../common/flash_controller.c romstage-y += ../common/pll.c pll.c romstage-y += ../common/timer.c romstage-y += timer.c @@ -53,7 +53,7 @@
ramstage-y += emi.c ramstage-y += ../common/spi.c spi.c -ramstage-$(CONFIG_SPI_FLASH) += flash_controller.c +ramstage-$(CONFIG_SPI_FLASH) += ../common/flash_controller.c ramstage-y += soc.c ../common/mtcmos.c ramstage-y += ../common/timer.c ramstage-y += timer.c diff --git a/src/soc/mediatek/mt8173/flash_controller.c b/src/soc/mediatek/mt8173/flash_controller.c deleted file mode 100644 index 64eff2e..0000000 --- a/src/soc/mediatek/mt8173/flash_controller.c +++ /dev/null @@ -1,236 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -/* NOR Flash is clocked with 26MHz, from CLK26M -> TOP_SPINFI_IFR */ - -#include <device/mmio.h> -#include <assert.h> -#include <console/console.h> -#include <spi_flash.h> -#include <spi-generic.h> -#include <string.h> -#include <symbols.h> -#include <timer.h> -#include <soc/symbols.h> -#include <soc/flash_controller.h> -#include <types.h> - -#define get_nth_byte(d, n) ((d >> (8 * n)) & 0xff) - -static int polling_cmd(u32 val) -{ - struct stopwatch sw; - - stopwatch_init_usecs_expire(&sw, SFLASH_POLLINGREG_US); - - while ((read32(&mt8173_nor->cmd) & val) != 0) { - if (stopwatch_expired(&sw)) - return -1; - } - - return 0; -} - -static int mt8173_nor_execute_cmd(u8 cmdval) -{ - u8 val = cmdval & ~(SFLASH_AUTOINC); - - write8(&mt8173_nor->cmd, cmdval); - return polling_cmd(val); -} - -static int sflashhw_read_flash_status(u8 *value) -{ - if (mt8173_nor_execute_cmd(SFLASH_READSTATUS)) - return -1; - - *value = read8(&mt8173_nor->rdsr); - return 0; -} - -static int wait_for_write_done(void) -{ - struct stopwatch sw; - u8 reg; - - stopwatch_init_usecs_expire(&sw, SFLASH_POLLINGREG_US); - - while (sflashhw_read_flash_status(®) == 0) { - if (!(reg & SFLASH_WRITE_IN_PROGRESS)) - return 0; - if (stopwatch_expired(&sw)) - return -1; - } - - return -1; -} - -/* set serial flash program address */ -static void set_sfpaddr(u32 addr) -{ - write8(&mt8173_nor->radr[2], get_nth_byte(addr, 2)); - write8(&mt8173_nor->radr[1], get_nth_byte(addr, 1)); - write8(&mt8173_nor->radr[0], get_nth_byte(addr, 0)); -} - -static int sector_erase(int offset) -{ - if (wait_for_write_done()) - return -1; - - write8(&mt8173_nor->prgdata[5], SFLASH_OP_WREN); - write8(&mt8173_nor->cnt, 8); - mt8173_nor_execute_cmd(SFLASH_PRG_CMD); - - write8(&mt8173_nor->prgdata[5], SECTOR_ERASE_CMD); - write8(&mt8173_nor->prgdata[4], get_nth_byte(offset, 2)); - write8(&mt8173_nor->prgdata[3], get_nth_byte(offset, 1)); - write8(&mt8173_nor->prgdata[2], get_nth_byte(offset, 0)); - write8(&mt8173_nor->cnt, 32); - mt8173_nor_execute_cmd(SFLASH_PRG_CMD); - - if (wait_for_write_done()) - return -1; - - return 0; -} - -static int dma_read(u32 addr, u8 *buf, u32 len, uintptr_t dma_buf, - size_t dma_buf_len) -{ - struct stopwatch sw; - - assert(IS_ALIGNED((uintptr_t)buf, SFLASH_DMA_ALIGN) && - IS_ALIGNED(len, SFLASH_DMA_ALIGN) && - len <= dma_buf_len); - - /* do dma reset */ - write32(&mt8173_nor->fdma_ctl, SFLASH_DMA_SW_RESET); - write32(&mt8173_nor->fdma_ctl, SFLASH_DMA_WDLE_EN); - /* flash source address and dram dest address */ - write32(&mt8173_nor->fdma_fadr, addr); - write32(&mt8173_nor->fdma_dadr, dma_buf); - write32(&mt8173_nor->fdma_end_dadr, (dma_buf + len)); - /* start dma */ - write32(&mt8173_nor->fdma_ctl, SFLASH_DMA_TRIGGER | SFLASH_DMA_WDLE_EN); - - stopwatch_init_usecs_expire(&sw, SFLASH_POLLINGREG_US); - while ((read32(&mt8173_nor->fdma_ctl) & SFLASH_DMA_TRIGGER) != 0) { - if (stopwatch_expired(&sw)) { - printk(BIOS_WARNING, "dma read timeout!\n"); - return -1; - } - } - - memcpy(buf, (const void *)dma_buf, len); - return 0; -} - -static int pio_read(u32 addr, u8 *buf, u32 len) -{ - set_sfpaddr(addr); - while (len) { - if (mt8173_nor_execute_cmd(SFLASH_RD_TRIGGER | SFLASH_AUTOINC)) - return -1; - - *buf++ = read8(&mt8173_nor->rdata); - len--; - } - return 0; -} - -static int nor_read(const struct spi_flash *flash, u32 addr, size_t len, - void *buf) -{ - u32 next; - - size_t done = 0; - uintptr_t dma_buf; - size_t dma_buf_len; - - if (!IS_ALIGNED((uintptr_t)buf, SFLASH_DMA_ALIGN)) { - next = MIN(ALIGN_UP((uintptr_t)buf, SFLASH_DMA_ALIGN) - - (uintptr_t)buf, len); - if (pio_read(addr, buf, next)) - return -1; - done += next; - } - - if (ENV_BOOTBLOCK || ENV_SEPARATE_VERSTAGE) { - dma_buf = (uintptr_t)_dma_coherent; - dma_buf_len = REGION_SIZE(dma_coherent); - } else { - dma_buf = (uintptr_t)_dram_dma; - dma_buf_len = REGION_SIZE(dram_dma); - } - - while (len - done >= SFLASH_DMA_ALIGN) { - next = MIN(dma_buf_len, ALIGN_DOWN(len - done, - SFLASH_DMA_ALIGN)); - if (dma_read(addr + done, buf + done, next, dma_buf, - dma_buf_len)) - return -1; - done += next; - } - next = len - done; - if (next > 0 && pio_read(addr + done, buf + done, next)) - return -1; - return 0; -} - -static int nor_write(const struct spi_flash *flash, u32 addr, size_t len, - const void *buf) -{ - const u8 *buffer = (const u8 *)buf; - - set_sfpaddr(addr); - while (len) { - write8(&mt8173_nor->wdata, *buffer); - if (mt8173_nor_execute_cmd(SFLASH_WR_TRIGGER | SFLASH_AUTOINC)) - return -1; - - if (wait_for_write_done()) - return -1; - buffer++; - len--; - } - return 0; -} - -static int nor_erase(const struct spi_flash *flash, u32 offset, size_t len) -{ - int sector_start = offset; - int sector_num = (u32)len / flash->sector_size; - - while (sector_num) { - if (!sector_erase(sector_start)) { - sector_start += flash->sector_size; - sector_num--; - } else { - printk(BIOS_WARNING, "Erase failed at 0x%x!\n", - sector_start); - return -1; - } - } - return 0; -} - -const struct spi_flash_ops spi_flash_ops = { - .read = nor_read, - .write = nor_write, - .erase = nor_erase, -}; - -int mtk_spi_flash_probe(const struct spi_slave *spi, - struct spi_flash *flash) -{ - write32(&mt8173_nor->wrprot, SFLASH_COMMAND_ENABLE); - memcpy(&flash->spi, spi, sizeof(*spi)); - - flash->sector_size = 0x1000; - flash->erase_cmd = SECTOR_ERASE_CMD; - flash->size = CONFIG_ROM_SIZE; - - flash->ops = &spi_flash_ops; - - return 0; -} diff --git a/src/soc/mediatek/mt8173/include/soc/flash_controller.h b/src/soc/mediatek/mt8173/include/soc/flash_controller.h deleted file mode 100644 index 6ac8da3..0000000 --- a/src/soc/mediatek/mt8173/include/soc/flash_controller.h +++ /dev/null @@ -1,78 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#ifndef __SOC_MEDIATEK_MT8173_FLASH_CONTROLLER_H__ -#define __SOC_MEDIATEK_MT8173_FLASH_CONTROLLER_H__ - -#include <spi-generic.h> -#include <stdint.h> -#include <soc/addressmap.h> - -enum { - SFLASH_POLLINGREG_US = 500000, - SFLASH_WRBUF_SIZE = 128, - SFLASHNAME_LENGTH = 16, - SFLASH_WRITE_IN_PROGRESS = 1, - SFLASH_COMMAND_ENABLE = 0x30, - SFLASH_DMA_ALIGN = 0x10, - - /* NOR flash controller commands */ - SFLASH_RD_TRIGGER = 1 << 0, - SFLASH_READSTATUS = 1 << 1, - SFLASH_PRG_CMD = 1 << 2, - SFLASH_WR_TRIGGER = 1 << 4, - SFLASH_WRITESTATUS = 1 << 5, - SFLASH_AUTOINC = 1 << 7, - /* NOR flash commands */ - SFLASH_OP_WREN = 0x6, - SECTOR_ERASE_CMD = 0x20, - SFLASH_UNPROTECTED = 0x0, - /* DMA commands */ - SFLASH_DMA_TRIGGER = 1 << 0, - SFLASH_DMA_SW_RESET = 1 << 1, - SFLASH_DMA_WDLE_EN = 1 << 2 -}; - -/* register Offset */ -struct mt8173_nor_regs { - u32 cmd; - u32 cnt; - u32 rdsr; - u32 rdata; - u32 radr[3]; - u32 wdata; - u32 prgdata[6]; - u32 shreg[10]; - u32 cfg[2]; - u32 shreg10; - u32 status[5]; - u32 timing; - u32 flash_cfg; - u32 reserved2[3]; - u32 sf_time; - u32 reserved3; - u32 diff_addr; - u32 del_sel[2]; - u32 intrstus; - u32 intren; - u32 pp_ctl; - u32 cfg3; - u32 chksum_ctl; - u32 chksum; - u32 aaicmd; - u32 wrprot; - u32 radr3; - u32 read_dual; - u32 delsel[3]; - u32 reserved[397]; - u32 cfg1_bri[2]; - u32 fdma_ctl; - u32 fdma_fadr; - u32 fdma_dadr; - u32 fdma_end_dadr; -}; -check_member(mt8173_nor_regs, fdma_end_dadr, 0x724); -static struct mt8173_nor_regs *const mt8173_nor = (void *)SFLASH_REG_BASE; - -int mtk_spi_flash_probe(const struct spi_slave *spi, struct spi_flash *flash); - -#endif /* __SOC_MEDIATEK_MT8173_FLASH_CONTROLLER_H__ */ diff --git a/src/soc/mediatek/mt8173/include/soc/symbols.h b/src/soc/mediatek/mt8173/include/soc/symbols.h index 1cf6dde..ae5d998 100644 --- a/src/soc/mediatek/mt8173/include/soc/symbols.h +++ b/src/soc/mediatek/mt8173/include/soc/symbols.h @@ -2,6 +2,7 @@
#ifndef __SOC_MEDIATEK_MT8173_DRAM_DMA_H__ #define __SOC_MEDIATEK_MT8173_DRAM_DMA_H__ +#include <symbols.h>
DECLARE_REGION(dram_dma)
diff --git a/src/soc/mediatek/mt8173/spi.c b/src/soc/mediatek/mt8173/spi.c index dd5c2ae..4abd650 100644 --- a/src/soc/mediatek/mt8173/spi.c +++ b/src/soc/mediatek/mt8173/spi.c @@ -4,7 +4,7 @@ #include <assert.h> #include <spi_flash.h> #include <soc/addressmap.h> -#include <soc/flash_controller.h> +#include <soc/flash_controller_common.h> #include <soc/gpio.h> #include <soc/spi.h>
diff --git a/src/soc/mediatek/mt8192/Kconfig b/src/soc/mediatek/mt8192/Kconfig index 7373fe1..185379a 100644 --- a/src/soc/mediatek/mt8192/Kconfig +++ b/src/soc/mediatek/mt8192/Kconfig @@ -75,4 +75,11 @@ help The file name of the MediaTek SSPM firmware.
+config FLASH_DUAL_READ_SUPPORTED + bool + default y + help + When this option is enabled, the flash controller provides the ability + to dual read mode. + endif diff --git a/src/soc/mediatek/mt8192/Makefile.inc b/src/soc/mediatek/mt8192/Makefile.inc index ccf571e..e13a45e 100644 --- a/src/soc/mediatek/mt8192/Makefile.inc +++ b/src/soc/mediatek/mt8192/Makefile.inc @@ -3,7 +3,7 @@ bootblock-y += ../common/auxadc.c bootblock-y += bootblock.c bootblock-y += eint_event.c -bootblock-y += flash_controller.c +bootblock-y += ../common/flash_controller.c bootblock-y += ../common/gpio.c gpio.c bootblock-y += ../common/i2c.c i2c.c bootblock-y += ../common/mmu_operations.c @@ -18,7 +18,7 @@ bootblock-y += mt6359p.c
verstage-y += ../common/auxadc.c -verstage-y += flash_controller.c +verstage-y += ../common/flash_controller.c verstage-y += ../common/gpio.c gpio.c verstage-y += ../common/i2c.c i2c.c verstage-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c @@ -29,7 +29,7 @@ romstage-y += ../common/cbmem.c romstage-y += dramc_pi_main.c dramc_pi_basic_api.c dramc_pi_calibration_api.c dramc_utility.c romstage-y += emi.c -romstage-y += flash_controller.c +romstage-y += ../common/flash_controller.c romstage-y += ../common/gpio.c gpio.c romstage-y += ../common/i2c.c i2c.c romstage-y += ../common/mmu_operations.c mmu_operations.c @@ -45,7 +45,7 @@ ramstage-y += devapc.c ramstage-y += dpm.c ramstage-y += ../common/dsi.c ../common/mtk_mipi_dphy.c -ramstage-y += flash_controller.c +ramstage-y += ../common/flash_controller.c ramstage-y += ../common/gpio.c gpio.c ramstage-y += ../common/i2c.c i2c.c ramstage-y += emi.c diff --git a/src/soc/mediatek/mt8192/spi.c b/src/soc/mediatek/mt8192/spi.c index d35e5ad..f7a8756 100644 --- a/src/soc/mediatek/mt8192/spi.c +++ b/src/soc/mediatek/mt8192/spi.c @@ -3,7 +3,7 @@ #include <device/mmio.h> #include <assert.h> #include <soc/addressmap.h> -#include <soc/flash_controller.h> +#include <soc/flash_controller_common.h> #include <soc/gpio.h> #include <soc/spi.h>
build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/48972 )
Change subject: soc/mediatek/mt8192: Move flash_controller.c to common/ ......................................................................
Patch Set 1:
(1 comment)
https://review.coreboot.org/c/coreboot/+/48972/1/src/soc/mediatek/common/fla... File src/soc/mediatek/common/flash_controller.c:
https://review.coreboot.org/c/coreboot/+/48972/1/src/soc/mediatek/common/fla... PS1, Line 141: dma_buf = (uintptr_t)_dma_coherent; code indent should use tabs where possible
Hello Hung-Te Lin, Patrick Georgi, Martin Roth, Yu-Ping Wu,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/48972
to look at the new patch set (#2).
Change subject: soc/mediatek/mt8192: Move flash_controller.c to common/ ......................................................................
soc/mediatek/mt8192: Move flash_controller.c to common/
The flash controller driver can be shared among mt8173 and mt819x.
TEST=boot to kernel on Asurada boot to kernel on Hana (w/o BL31)
Change-Id: I4e5213563189336496122a0f2d8077b3e5245314 Signed-off-by: Yidi Lin yidi.lin@mediatek.com --- R src/soc/mediatek/common/flash_controller.c R src/soc/mediatek/common/include/soc/flash_controller_common.h M src/soc/mediatek/mt8173/Makefile.inc D src/soc/mediatek/mt8173/flash_controller.c D src/soc/mediatek/mt8173/include/soc/flash_controller.h M src/soc/mediatek/mt8173/include/soc/symbols.h M src/soc/mediatek/mt8173/spi.c M src/soc/mediatek/mt8192/Kconfig M src/soc/mediatek/mt8192/Makefile.inc M src/soc/mediatek/mt8192/spi.c 10 files changed, 69 insertions(+), 360 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/72/48972/2
Yidi Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/48972 )
Change subject: soc/mediatek/mt8192: Move flash_controller.c to common/ ......................................................................
Patch Set 2:
Hung-Te & Yu-Ping,
Please review this patch.
Hung-Te Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/48972 )
Change subject: soc/mediatek/mt8192: Move flash_controller.c to common/ ......................................................................
Patch Set 2:
(4 comments)
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/common/fla... File src/soc/mediatek/common/flash_controller.c:
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/common/fla... PS2, Line 139: #if CONFIG(SOC_MEDIATEK_MT8173) can we rewrite as
if (CONFIG(SOC_MEDIATEK_MT817)) { if (!ENV_BOOTBLOCK && !ENV_SEPARATE_VERSTAGE) { ... } }
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/common/fla... PS2, Line 141: dma_buf = (uintptr_t)_dma_coherent; : dma_buf_len = REGION_SIZE(dma_coherent); that's already the default value
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/common/fla... PS2, Line 149: #if CONFIG(FLASH_DUAL_READ_SUPPORTED) : setbits8(&mtk_nor->read_dual, SFLASH_READ_DUAL_EN); : write8(&mtk_nor->prgdata[3], SFLASH_1_1_2_READ); : #endif can we replace this by
if (CONFIG(FLASH_DUAL_READ_SUPPORTED)) { setbits8... write8... }
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/mt8192/Kco... File src/soc/mediatek/mt8192/Kconfig:
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/mt8192/Kco... PS2, Line 78: _SUPPORTED We usually don't add 'SUPPORTED' in config. Just call it FLASH_DUAL_READ ?
Hello Hung-Te Lin, build bot (Jenkins), Patrick Georgi, Martin Roth, Yu-Ping Wu,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/48972
to look at the new patch set (#3).
Change subject: soc/mediatek/mt8192: Move flash_controller.c to common/ ......................................................................
soc/mediatek/mt8192: Move flash_controller.c to common/
The flash controller driver can be shared among mt8173 and mt819x.
TEST=boot to kernel on Asurada boot to kernel on Hana (w/o BL31)
Change-Id: I4e5213563189336496122a0f2d8077b3e5245314 Signed-off-by: Yidi Lin yidi.lin@mediatek.com --- R src/soc/mediatek/common/flash_controller.c R src/soc/mediatek/common/include/soc/flash_controller_common.h M src/soc/mediatek/mt8173/Makefile.inc D src/soc/mediatek/mt8173/flash_controller.c D src/soc/mediatek/mt8173/include/soc/flash_controller.h M src/soc/mediatek/mt8173/include/soc/symbols.h M src/soc/mediatek/mt8173/spi.c M src/soc/mediatek/mt8192/Kconfig M src/soc/mediatek/mt8192/Makefile.inc M src/soc/mediatek/mt8192/spi.c 10 files changed, 66 insertions(+), 360 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/72/48972/3
Yidi Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/48972 )
Change subject: soc/mediatek/mt8192: Move flash_controller.c to common/ ......................................................................
Patch Set 3:
(4 comments)
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/common/fla... File src/soc/mediatek/common/flash_controller.c:
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/common/fla... PS2, Line 139: #if CONFIG(SOC_MEDIATEK_MT8173)
can we rewrite as […]
Done
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/common/fla... PS2, Line 141: dma_buf = (uintptr_t)_dma_coherent; : dma_buf_len = REGION_SIZE(dma_coherent);
that's already the default value
Done
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/common/fla... PS2, Line 149: #if CONFIG(FLASH_DUAL_READ_SUPPORTED) : setbits8(&mtk_nor->read_dual, SFLASH_READ_DUAL_EN); : write8(&mtk_nor->prgdata[3], SFLASH_1_1_2_READ); : #endif
can we replace this by […]
Done
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/mt8192/Kco... File src/soc/mediatek/mt8192/Kconfig:
https://review.coreboot.org/c/coreboot/+/48972/2/src/soc/mediatek/mt8192/Kco... PS2, Line 78: _SUPPORTED
We usually don't add 'SUPPORTED' in config. […]
Done
Hung-Te Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/48972 )
Change subject: soc/mediatek/mt8192: Move flash_controller.c to common/ ......................................................................
Patch Set 3: Code-Review+2
merge conflict, please rebase again.
Hung-Te Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/48972 )
Change subject: soc/mediatek/mt8192: Move flash_controller.c to common/ ......................................................................
Patch Set 3:
oh, seems like the conflict is gone. never mind.
Hung-Te Lin has submitted this change. ( https://review.coreboot.org/c/coreboot/+/48972 )
Change subject: soc/mediatek/mt8192: Move flash_controller.c to common/ ......................................................................
soc/mediatek/mt8192: Move flash_controller.c to common/
The flash controller driver can be shared among mt8173 and mt819x.
TEST=boot to kernel on Asurada boot to kernel on Hana (w/o BL31)
Change-Id: I4e5213563189336496122a0f2d8077b3e5245314 Signed-off-by: Yidi Lin yidi.lin@mediatek.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/48972 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Hung-Te Lin hungte@chromium.org --- R src/soc/mediatek/common/flash_controller.c R src/soc/mediatek/common/include/soc/flash_controller_common.h M src/soc/mediatek/mt8173/Makefile.inc D src/soc/mediatek/mt8173/flash_controller.c D src/soc/mediatek/mt8173/include/soc/flash_controller.h M src/soc/mediatek/mt8173/include/soc/symbols.h M src/soc/mediatek/mt8173/spi.c M src/soc/mediatek/mt8192/Kconfig M src/soc/mediatek/mt8192/Makefile.inc M src/soc/mediatek/mt8192/spi.c 10 files changed, 66 insertions(+), 360 deletions(-)
Approvals: build bot (Jenkins): Verified Hung-Te Lin: Looks good to me, approved
diff --git a/src/soc/mediatek/mt8192/flash_controller.c b/src/soc/mediatek/common/flash_controller.c similarity index 66% rename from src/soc/mediatek/mt8192/flash_controller.c rename to src/soc/mediatek/common/flash_controller.c index aa43af6..cdda056 100644 --- a/src/soc/mediatek/mt8192/flash_controller.c +++ b/src/soc/mediatek/common/flash_controller.c @@ -3,7 +3,8 @@ #include <assert.h> #include <console/console.h> #include <device/mmio.h> -#include <soc/flash_controller.h> +#include <soc/flash_controller_common.h> +#include <soc/symbols.h> #include <spi_flash.h> #include <spi-generic.h> #include <stdint.h> @@ -12,6 +13,8 @@ #include <timer.h> #include <types.h>
+static struct mtk_nor_regs *const mtk_nor = (void *)SFLASH_REG_BASE; + #define GET_NTH_BYTE(d, n) ((d >> (8 * n)) & 0xff)
static int polling_cmd(u32 val) @@ -20,7 +23,7 @@
stopwatch_init_usecs_expire(&sw, SFLASH_POLLINGREG_US);
- while ((read32(&mt8192_nor->cmd) & val) != 0) { + while ((read32(&mtk_nor->cmd) & val) != 0) { if (stopwatch_expired(&sw)) return -1; } @@ -28,20 +31,20 @@ return 0; }
-static int mt8192_nor_execute_cmd(u8 cmdval) +static int mtk_nor_execute_cmd(u8 cmdval) { u8 val = cmdval & ~SFLASH_AUTOINC;
- write8(&mt8192_nor->cmd, cmdval); + write8(&mtk_nor->cmd, cmdval); return polling_cmd(val); }
static int sflashhw_read_flash_status(u8 *value) { - if (mt8192_nor_execute_cmd(SFLASH_READSTATUS)) + if (mtk_nor_execute_cmd(SFLASH_READSTATUS)) return -1;
- *value = read8(&mt8192_nor->rdsr); + *value = read8(&mtk_nor->rdsr); return 0; }
@@ -65,9 +68,9 @@ /* set serial flash program address */ static void set_sfpaddr(u32 addr) { - write8(&mt8192_nor->radr[2], GET_NTH_BYTE(addr, 2)); - write8(&mt8192_nor->radr[1], GET_NTH_BYTE(addr, 1)); - write8(&mt8192_nor->radr[0], GET_NTH_BYTE(addr, 0)); + write8(&mtk_nor->radr[2], GET_NTH_BYTE(addr, 2)); + write8(&mtk_nor->radr[1], GET_NTH_BYTE(addr, 1)); + write8(&mtk_nor->radr[0], GET_NTH_BYTE(addr, 0)); }
static int sector_erase(int offset) @@ -75,16 +78,16 @@ if (wait_for_write_done()) return -1;
- write8(&mt8192_nor->prgdata[5], SFLASH_OP_WREN); - write8(&mt8192_nor->cnt, 8); - mt8192_nor_execute_cmd(SFLASH_PRG_CMD); + write8(&mtk_nor->prgdata[5], SFLASH_OP_WREN); + write8(&mtk_nor->cnt, 8); + mtk_nor_execute_cmd(SFLASH_PRG_CMD);
- write8(&mt8192_nor->prgdata[5], SECTOR_ERASE_CMD); - write8(&mt8192_nor->prgdata[4], GET_NTH_BYTE(offset, 2)); - write8(&mt8192_nor->prgdata[3], GET_NTH_BYTE(offset, 1)); - write8(&mt8192_nor->prgdata[2], GET_NTH_BYTE(offset, 0)); - write8(&mt8192_nor->cnt, 32); - mt8192_nor_execute_cmd(SFLASH_PRG_CMD); + write8(&mtk_nor->prgdata[5], SECTOR_ERASE_CMD); + write8(&mtk_nor->prgdata[4], GET_NTH_BYTE(offset, 2)); + write8(&mtk_nor->prgdata[3], GET_NTH_BYTE(offset, 1)); + write8(&mtk_nor->prgdata[2], GET_NTH_BYTE(offset, 0)); + write8(&mtk_nor->cnt, 32); + mtk_nor_execute_cmd(SFLASH_PRG_CMD);
if (wait_for_write_done()) return -1; @@ -100,17 +103,17 @@ IS_ALIGNED(len, SFLASH_DMA_ALIGN));
/* do dma reset */ - write32(&mt8192_nor->fdma_ctl, SFLASH_DMA_SW_RESET); - write32(&mt8192_nor->fdma_ctl, SFLASH_DMA_WDLE_EN); + write32(&mtk_nor->fdma_ctl, SFLASH_DMA_SW_RESET); + write32(&mtk_nor->fdma_ctl, SFLASH_DMA_WDLE_EN); /* flash source address and dram dest address */ - write32(&mt8192_nor->fdma_fadr, addr); - write32(&mt8192_nor->fdma_dadr, dma_buf); - write32(&mt8192_nor->fdma_end_dadr, (dma_buf + len)); + write32(&mtk_nor->fdma_fadr, addr); + write32(&mtk_nor->fdma_dadr, dma_buf); + write32(&mtk_nor->fdma_end_dadr, (dma_buf + len)); /* start dma */ - write32(&mt8192_nor->fdma_ctl, SFLASH_DMA_TRIGGER | SFLASH_DMA_WDLE_EN); + write32(&mtk_nor->fdma_ctl, SFLASH_DMA_TRIGGER | SFLASH_DMA_WDLE_EN);
stopwatch_init_usecs_expire(&sw, SFLASH_POLLINGREG_US); - while ((read32(&mt8192_nor->fdma_ctl) & SFLASH_DMA_TRIGGER) != 0) { + while ((read32(&mtk_nor->fdma_ctl) & SFLASH_DMA_TRIGGER) != 0) { if (stopwatch_expired(&sw)) { printk(BIOS_WARNING, "dma read timeout!\n"); return -1; @@ -132,8 +135,18 @@ u32 done, read_len, copy_len; uint8_t *dest = (uint8_t *)buf;
- setbits8(&mt8192_nor->read_dual, SFLASH_READ_DUAL_EN); - write8(&mt8192_nor->prgdata[3], SFLASH_1_1_2_READ); + /* Refer to CB:13989 for the hardware limitation on mt8173. */ + if (CONFIG(SOC_MEDIATEK_MT8173)) { + if (!ENV_BOOTBLOCK && !ENV_SEPARATE_VERSTAGE) { + dma_buf = (uintptr_t)_dram_dma; + dma_buf_len = REGION_SIZE(dram_dma); + } + } + + if (CONFIG(FLASH_DUAL_READ)) { + setbits8(&mtk_nor->read_dual, SFLASH_READ_DUAL_EN); + write8(&mtk_nor->prgdata[3], SFLASH_1_1_2_READ); + }
/* DMA: start [ skip | len | drop ] = total end */ for (done = 0; done < total; dest += copy_len) { @@ -161,8 +174,8 @@
set_sfpaddr(addr); while (len) { - write8(&mt8192_nor->wdata, *buffer); - if (mt8192_nor_execute_cmd(SFLASH_WR_TRIGGER | SFLASH_AUTOINC)) + write8(&mtk_nor->wdata, *buffer); + if (mtk_nor_execute_cmd(SFLASH_WR_TRIGGER | SFLASH_AUTOINC)) return -1;
if (wait_for_write_done()) @@ -200,7 +213,7 @@ int mtk_spi_flash_probe(const struct spi_slave *spi, struct spi_flash *flash) { - write32(&mt8192_nor->wrprot, SFLASH_COMMAND_ENABLE); + write32(&mtk_nor->wrprot, SFLASH_COMMAND_ENABLE); memcpy(&flash->spi, spi, sizeof(*spi));
flash->sector_size = 0x1000; diff --git a/src/soc/mediatek/mt8192/include/soc/flash_controller.h b/src/soc/mediatek/common/include/soc/flash_controller_common.h similarity index 81% rename from src/soc/mediatek/mt8192/include/soc/flash_controller.h rename to src/soc/mediatek/common/include/soc/flash_controller_common.h index 5373a87..2da3805 100644 --- a/src/soc/mediatek/mt8192/include/soc/flash_controller.h +++ b/src/soc/mediatek/common/include/soc/flash_controller_common.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-only */
-#ifndef __SOC_MEDIATEK_MT8192_FLASH_CONTROLLER_H__ -#define __SOC_MEDIATEK_MT8192_FLASH_CONTROLLER_H__ +#ifndef __SOC_MEDIATEK_COMMON_FLASH_CONTROLLER_COMMON_H__ +#define __SOC_MEDIATEK_COMMON_FLASH_CONTROLLER_COMMON_H__
#include <spi-generic.h> #include <stdint.h> @@ -36,7 +36,7 @@ };
/* register Offset */ -struct mt8192_nor_regs { +struct mtk_nor_regs { u32 cmd; u32 cnt; u32 rdsr; @@ -73,9 +73,8 @@ u32 fdma_dadr; u32 fdma_end_dadr; }; -check_member(mt8192_nor_regs, fdma_end_dadr, 0x724); -static struct mt8192_nor_regs *const mt8192_nor = (void *)SFLASH_REG_BASE; +check_member(mtk_nor_regs, fdma_end_dadr, 0x724);
int mtk_spi_flash_probe(const struct spi_slave *spi, struct spi_flash *flash);
-#endif /* __SOC_MEDIATEK_MT8192_FLASH_CONTROLLER_H__ */ +#endif /* __SOC_MEDIATEK_COMMON_FLASH_CONTROLLER_COMMON_H__ */ diff --git a/src/soc/mediatek/mt8173/Makefile.inc b/src/soc/mediatek/mt8173/Makefile.inc index 871a689..e824e54 100644 --- a/src/soc/mediatek/mt8173/Makefile.inc +++ b/src/soc/mediatek/mt8173/Makefile.inc @@ -3,7 +3,7 @@ ifeq ($(CONFIG_SOC_MEDIATEK_MT8173),y)
bootblock-y += bootblock.c -bootblock-$(CONFIG_SPI_FLASH) += flash_controller.c +bootblock-$(CONFIG_SPI_FLASH) += ../common/flash_controller.c bootblock-y += ../common/i2c.c i2c.c bootblock-y += ../common/pll.c pll.c bootblock-y += ../common/spi.c spi.c @@ -27,12 +27,12 @@ verstage-y += ../common/timer.c verstage-y += timer.c verstage-y += ../common/wdt.c ../common/reset.c -verstage-$(CONFIG_SPI_FLASH) += flash_controller.c +verstage-$(CONFIG_SPI_FLASH) += ../common/flash_controller.c verstage-y += ../common/gpio.c gpio.c
################################################################################
-romstage-$(CONFIG_SPI_FLASH) += flash_controller.c +romstage-$(CONFIG_SPI_FLASH) += ../common/flash_controller.c romstage-y += ../common/pll.c pll.c romstage-y += ../common/timer.c romstage-y += timer.c @@ -53,7 +53,7 @@
ramstage-y += emi.c ramstage-y += ../common/spi.c spi.c -ramstage-$(CONFIG_SPI_FLASH) += flash_controller.c +ramstage-$(CONFIG_SPI_FLASH) += ../common/flash_controller.c ramstage-y += soc.c ../common/mtcmos.c ramstage-y += ../common/timer.c ramstage-y += timer.c diff --git a/src/soc/mediatek/mt8173/flash_controller.c b/src/soc/mediatek/mt8173/flash_controller.c deleted file mode 100644 index 64eff2e..0000000 --- a/src/soc/mediatek/mt8173/flash_controller.c +++ /dev/null @@ -1,236 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -/* NOR Flash is clocked with 26MHz, from CLK26M -> TOP_SPINFI_IFR */ - -#include <device/mmio.h> -#include <assert.h> -#include <console/console.h> -#include <spi_flash.h> -#include <spi-generic.h> -#include <string.h> -#include <symbols.h> -#include <timer.h> -#include <soc/symbols.h> -#include <soc/flash_controller.h> -#include <types.h> - -#define get_nth_byte(d, n) ((d >> (8 * n)) & 0xff) - -static int polling_cmd(u32 val) -{ - struct stopwatch sw; - - stopwatch_init_usecs_expire(&sw, SFLASH_POLLINGREG_US); - - while ((read32(&mt8173_nor->cmd) & val) != 0) { - if (stopwatch_expired(&sw)) - return -1; - } - - return 0; -} - -static int mt8173_nor_execute_cmd(u8 cmdval) -{ - u8 val = cmdval & ~(SFLASH_AUTOINC); - - write8(&mt8173_nor->cmd, cmdval); - return polling_cmd(val); -} - -static int sflashhw_read_flash_status(u8 *value) -{ - if (mt8173_nor_execute_cmd(SFLASH_READSTATUS)) - return -1; - - *value = read8(&mt8173_nor->rdsr); - return 0; -} - -static int wait_for_write_done(void) -{ - struct stopwatch sw; - u8 reg; - - stopwatch_init_usecs_expire(&sw, SFLASH_POLLINGREG_US); - - while (sflashhw_read_flash_status(®) == 0) { - if (!(reg & SFLASH_WRITE_IN_PROGRESS)) - return 0; - if (stopwatch_expired(&sw)) - return -1; - } - - return -1; -} - -/* set serial flash program address */ -static void set_sfpaddr(u32 addr) -{ - write8(&mt8173_nor->radr[2], get_nth_byte(addr, 2)); - write8(&mt8173_nor->radr[1], get_nth_byte(addr, 1)); - write8(&mt8173_nor->radr[0], get_nth_byte(addr, 0)); -} - -static int sector_erase(int offset) -{ - if (wait_for_write_done()) - return -1; - - write8(&mt8173_nor->prgdata[5], SFLASH_OP_WREN); - write8(&mt8173_nor->cnt, 8); - mt8173_nor_execute_cmd(SFLASH_PRG_CMD); - - write8(&mt8173_nor->prgdata[5], SECTOR_ERASE_CMD); - write8(&mt8173_nor->prgdata[4], get_nth_byte(offset, 2)); - write8(&mt8173_nor->prgdata[3], get_nth_byte(offset, 1)); - write8(&mt8173_nor->prgdata[2], get_nth_byte(offset, 0)); - write8(&mt8173_nor->cnt, 32); - mt8173_nor_execute_cmd(SFLASH_PRG_CMD); - - if (wait_for_write_done()) - return -1; - - return 0; -} - -static int dma_read(u32 addr, u8 *buf, u32 len, uintptr_t dma_buf, - size_t dma_buf_len) -{ - struct stopwatch sw; - - assert(IS_ALIGNED((uintptr_t)buf, SFLASH_DMA_ALIGN) && - IS_ALIGNED(len, SFLASH_DMA_ALIGN) && - len <= dma_buf_len); - - /* do dma reset */ - write32(&mt8173_nor->fdma_ctl, SFLASH_DMA_SW_RESET); - write32(&mt8173_nor->fdma_ctl, SFLASH_DMA_WDLE_EN); - /* flash source address and dram dest address */ - write32(&mt8173_nor->fdma_fadr, addr); - write32(&mt8173_nor->fdma_dadr, dma_buf); - write32(&mt8173_nor->fdma_end_dadr, (dma_buf + len)); - /* start dma */ - write32(&mt8173_nor->fdma_ctl, SFLASH_DMA_TRIGGER | SFLASH_DMA_WDLE_EN); - - stopwatch_init_usecs_expire(&sw, SFLASH_POLLINGREG_US); - while ((read32(&mt8173_nor->fdma_ctl) & SFLASH_DMA_TRIGGER) != 0) { - if (stopwatch_expired(&sw)) { - printk(BIOS_WARNING, "dma read timeout!\n"); - return -1; - } - } - - memcpy(buf, (const void *)dma_buf, len); - return 0; -} - -static int pio_read(u32 addr, u8 *buf, u32 len) -{ - set_sfpaddr(addr); - while (len) { - if (mt8173_nor_execute_cmd(SFLASH_RD_TRIGGER | SFLASH_AUTOINC)) - return -1; - - *buf++ = read8(&mt8173_nor->rdata); - len--; - } - return 0; -} - -static int nor_read(const struct spi_flash *flash, u32 addr, size_t len, - void *buf) -{ - u32 next; - - size_t done = 0; - uintptr_t dma_buf; - size_t dma_buf_len; - - if (!IS_ALIGNED((uintptr_t)buf, SFLASH_DMA_ALIGN)) { - next = MIN(ALIGN_UP((uintptr_t)buf, SFLASH_DMA_ALIGN) - - (uintptr_t)buf, len); - if (pio_read(addr, buf, next)) - return -1; - done += next; - } - - if (ENV_BOOTBLOCK || ENV_SEPARATE_VERSTAGE) { - dma_buf = (uintptr_t)_dma_coherent; - dma_buf_len = REGION_SIZE(dma_coherent); - } else { - dma_buf = (uintptr_t)_dram_dma; - dma_buf_len = REGION_SIZE(dram_dma); - } - - while (len - done >= SFLASH_DMA_ALIGN) { - next = MIN(dma_buf_len, ALIGN_DOWN(len - done, - SFLASH_DMA_ALIGN)); - if (dma_read(addr + done, buf + done, next, dma_buf, - dma_buf_len)) - return -1; - done += next; - } - next = len - done; - if (next > 0 && pio_read(addr + done, buf + done, next)) - return -1; - return 0; -} - -static int nor_write(const struct spi_flash *flash, u32 addr, size_t len, - const void *buf) -{ - const u8 *buffer = (const u8 *)buf; - - set_sfpaddr(addr); - while (len) { - write8(&mt8173_nor->wdata, *buffer); - if (mt8173_nor_execute_cmd(SFLASH_WR_TRIGGER | SFLASH_AUTOINC)) - return -1; - - if (wait_for_write_done()) - return -1; - buffer++; - len--; - } - return 0; -} - -static int nor_erase(const struct spi_flash *flash, u32 offset, size_t len) -{ - int sector_start = offset; - int sector_num = (u32)len / flash->sector_size; - - while (sector_num) { - if (!sector_erase(sector_start)) { - sector_start += flash->sector_size; - sector_num--; - } else { - printk(BIOS_WARNING, "Erase failed at 0x%x!\n", - sector_start); - return -1; - } - } - return 0; -} - -const struct spi_flash_ops spi_flash_ops = { - .read = nor_read, - .write = nor_write, - .erase = nor_erase, -}; - -int mtk_spi_flash_probe(const struct spi_slave *spi, - struct spi_flash *flash) -{ - write32(&mt8173_nor->wrprot, SFLASH_COMMAND_ENABLE); - memcpy(&flash->spi, spi, sizeof(*spi)); - - flash->sector_size = 0x1000; - flash->erase_cmd = SECTOR_ERASE_CMD; - flash->size = CONFIG_ROM_SIZE; - - flash->ops = &spi_flash_ops; - - return 0; -} diff --git a/src/soc/mediatek/mt8173/include/soc/flash_controller.h b/src/soc/mediatek/mt8173/include/soc/flash_controller.h deleted file mode 100644 index 6ac8da3..0000000 --- a/src/soc/mediatek/mt8173/include/soc/flash_controller.h +++ /dev/null @@ -1,78 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#ifndef __SOC_MEDIATEK_MT8173_FLASH_CONTROLLER_H__ -#define __SOC_MEDIATEK_MT8173_FLASH_CONTROLLER_H__ - -#include <spi-generic.h> -#include <stdint.h> -#include <soc/addressmap.h> - -enum { - SFLASH_POLLINGREG_US = 500000, - SFLASH_WRBUF_SIZE = 128, - SFLASHNAME_LENGTH = 16, - SFLASH_WRITE_IN_PROGRESS = 1, - SFLASH_COMMAND_ENABLE = 0x30, - SFLASH_DMA_ALIGN = 0x10, - - /* NOR flash controller commands */ - SFLASH_RD_TRIGGER = 1 << 0, - SFLASH_READSTATUS = 1 << 1, - SFLASH_PRG_CMD = 1 << 2, - SFLASH_WR_TRIGGER = 1 << 4, - SFLASH_WRITESTATUS = 1 << 5, - SFLASH_AUTOINC = 1 << 7, - /* NOR flash commands */ - SFLASH_OP_WREN = 0x6, - SECTOR_ERASE_CMD = 0x20, - SFLASH_UNPROTECTED = 0x0, - /* DMA commands */ - SFLASH_DMA_TRIGGER = 1 << 0, - SFLASH_DMA_SW_RESET = 1 << 1, - SFLASH_DMA_WDLE_EN = 1 << 2 -}; - -/* register Offset */ -struct mt8173_nor_regs { - u32 cmd; - u32 cnt; - u32 rdsr; - u32 rdata; - u32 radr[3]; - u32 wdata; - u32 prgdata[6]; - u32 shreg[10]; - u32 cfg[2]; - u32 shreg10; - u32 status[5]; - u32 timing; - u32 flash_cfg; - u32 reserved2[3]; - u32 sf_time; - u32 reserved3; - u32 diff_addr; - u32 del_sel[2]; - u32 intrstus; - u32 intren; - u32 pp_ctl; - u32 cfg3; - u32 chksum_ctl; - u32 chksum; - u32 aaicmd; - u32 wrprot; - u32 radr3; - u32 read_dual; - u32 delsel[3]; - u32 reserved[397]; - u32 cfg1_bri[2]; - u32 fdma_ctl; - u32 fdma_fadr; - u32 fdma_dadr; - u32 fdma_end_dadr; -}; -check_member(mt8173_nor_regs, fdma_end_dadr, 0x724); -static struct mt8173_nor_regs *const mt8173_nor = (void *)SFLASH_REG_BASE; - -int mtk_spi_flash_probe(const struct spi_slave *spi, struct spi_flash *flash); - -#endif /* __SOC_MEDIATEK_MT8173_FLASH_CONTROLLER_H__ */ diff --git a/src/soc/mediatek/mt8173/include/soc/symbols.h b/src/soc/mediatek/mt8173/include/soc/symbols.h index 1cf6dde..ae5d998 100644 --- a/src/soc/mediatek/mt8173/include/soc/symbols.h +++ b/src/soc/mediatek/mt8173/include/soc/symbols.h @@ -2,6 +2,7 @@
#ifndef __SOC_MEDIATEK_MT8173_DRAM_DMA_H__ #define __SOC_MEDIATEK_MT8173_DRAM_DMA_H__ +#include <symbols.h>
DECLARE_REGION(dram_dma)
diff --git a/src/soc/mediatek/mt8173/spi.c b/src/soc/mediatek/mt8173/spi.c index dd5c2ae..4abd650 100644 --- a/src/soc/mediatek/mt8173/spi.c +++ b/src/soc/mediatek/mt8173/spi.c @@ -4,7 +4,7 @@ #include <assert.h> #include <spi_flash.h> #include <soc/addressmap.h> -#include <soc/flash_controller.h> +#include <soc/flash_controller_common.h> #include <soc/gpio.h> #include <soc/spi.h>
diff --git a/src/soc/mediatek/mt8192/Kconfig b/src/soc/mediatek/mt8192/Kconfig index 7373fe1..fd0a4cd 100644 --- a/src/soc/mediatek/mt8192/Kconfig +++ b/src/soc/mediatek/mt8192/Kconfig @@ -75,4 +75,11 @@ help The file name of the MediaTek SSPM firmware.
+config FLASH_DUAL_READ + bool + default y + help + When this option is enabled, the flash controller provides the ability + to dual read mode. + endif diff --git a/src/soc/mediatek/mt8192/Makefile.inc b/src/soc/mediatek/mt8192/Makefile.inc index cb3b6c2..ce94a46 100644 --- a/src/soc/mediatek/mt8192/Makefile.inc +++ b/src/soc/mediatek/mt8192/Makefile.inc @@ -3,7 +3,7 @@ bootblock-y += ../common/auxadc.c bootblock-y += bootblock.c bootblock-y += eint_event.c -bootblock-y += flash_controller.c +bootblock-y += ../common/flash_controller.c bootblock-y += ../common/gpio.c gpio.c bootblock-y += ../common/i2c.c i2c.c bootblock-y += ../common/mmu_operations.c @@ -18,7 +18,7 @@ bootblock-y += mt6359p.c
verstage-y += ../common/auxadc.c -verstage-y += flash_controller.c +verstage-y += ../common/flash_controller.c verstage-y += ../common/gpio.c gpio.c verstage-y += ../common/i2c.c i2c.c verstage-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c @@ -30,7 +30,7 @@ romstage-y += dramc_pi_main.c dramc_pi_basic_api.c dramc_pi_calibration_api.c romstage-y += dramc_utility.c dramc_dvfs.c romstage-y += emi.c -romstage-y += flash_controller.c +romstage-y += ../common/flash_controller.c romstage-y += ../common/gpio.c gpio.c romstage-y += ../common/i2c.c i2c.c romstage-y += ../common/mmu_operations.c mmu_operations.c @@ -46,7 +46,7 @@ ramstage-y += devapc.c ramstage-y += dpm.c ramstage-y += ../common/dsi.c ../common/mtk_mipi_dphy.c -ramstage-y += flash_controller.c +ramstage-y += ../common/flash_controller.c ramstage-y += ../common/gpio.c gpio.c ramstage-y += ../common/i2c.c i2c.c ramstage-y += emi.c diff --git a/src/soc/mediatek/mt8192/spi.c b/src/soc/mediatek/mt8192/spi.c index d35e5ad..f7a8756 100644 --- a/src/soc/mediatek/mt8192/spi.c +++ b/src/soc/mediatek/mt8192/spi.c @@ -3,7 +3,7 @@ #include <device/mmio.h> #include <assert.h> #include <soc/addressmap.h> -#include <soc/flash_controller.h> +#include <soc/flash_controller_common.h> #include <soc/gpio.h> #include <soc/spi.h>