From 6a1a36f7e9afc9a9dbdee813613243805e829a85 Mon Sep 17 00:00:00 2001 From: Hakim Giydan Date: Thu, 8 Sep 2016 10:44:40 -0700 Subject: soc/marvell/mvmap2315: Add flash driver Testing: booted successfully. Change-Id: Iaeff9f01dbfad7f313aa237e8c71c36c4ed1e06f Signed-off-by: Hakim Giydan Reviewed-on: https://review.coreboot.org/15509 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- src/soc/marvell/mvmap2315/Makefile.inc | 1 + src/soc/marvell/mvmap2315/flash.c | 96 +++++++++++++++++++++++++++ src/soc/marvell/mvmap2315/include/soc/flash.h | 57 ++++++++++++++++ 3 files changed, 154 insertions(+) create mode 100644 src/soc/marvell/mvmap2315/flash.c create mode 100644 src/soc/marvell/mvmap2315/include/soc/flash.h (limited to 'src/soc/marvell') diff --git a/src/soc/marvell/mvmap2315/Makefile.inc b/src/soc/marvell/mvmap2315/Makefile.inc index d711b7d273..d7b23762a2 100644 --- a/src/soc/marvell/mvmap2315/Makefile.inc +++ b/src/soc/marvell/mvmap2315/Makefile.inc @@ -20,6 +20,7 @@ bootblock-y += clock.c bootblock-y += fiq.S bootblock-y += gic.c bootblock-y += gpio.c +bootblock-y += flash.c bootblock-y += media.c bootblock-y += pinmux.c bootblock-y += reset.c diff --git a/src/soc/marvell/mvmap2315/flash.c b/src/soc/marvell/mvmap2315/flash.c new file mode 100644 index 0000000000..44936e44a1 --- /dev/null +++ b/src/soc/marvell/mvmap2315/flash.c @@ -0,0 +1,96 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Marvell, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include + +#include +#include +#include +#include + +struct flash_ops flash_callbacks = { + .init = (void *)MVMAP2315_FLASH_INIT, + .read = (void *)MVMAP2315_FLASH_READ, + .write = (void *)MVMAP2315_FLASH_WRITE, + .shutdown = (void *)MVMAP2315_FLASH_SHUTDOWN, + .set_partition = (void *)MVMAP2315_FLASH_SET_PARTITION, +}; + +u32 flash_init(u32 media, u32 clock_input_mhz) +{ + int rc; + + clrbits_le32(&mvmap2315_apmu_clk->apaonclk_sdmmc_clkgenconfig, + MVMAP2315_SDMMC_CLK_RSTN); + setbits_le32(&mvmap2315_apmu_clk->apaonclk_sdmmc_clkgenconfig, + MVMAP2315_SDMMC_CLK_RSTN); + + rc = flash_callbacks.init(media, 0, clock_input_mhz); + + if (rc) + printk(BIOS_DEBUG, "flash_init failed with rc=%x.\n", rc); + + return rc; +} + +u32 flash_partition(u32 media, struct flash_params *flash_image_info) +{ + int rc; + + rc = flash_callbacks.set_partition(media, 0, flash_image_info); + + if (rc) + printk(BIOS_DEBUG, "flash_partition failed with rc=%x.\n", rc); + + return rc; +} + +u32 flash_read(u32 media, struct flash_params *flash_image_info) +{ + int rc; + + rc = flash_callbacks.read(media, 0, flash_image_info); + + if (rc) + printk(BIOS_DEBUG, "flash_read failed with rc=%x.\n", rc); + + return rc; +} + +u32 flash_write(u32 media, struct flash_params *flash_image_info) +{ + int rc; + + rc = flash_callbacks.write(media, 0, flash_image_info); + + if (rc) + printk(BIOS_DEBUG, "flash_write failed with rc=%x.\n", rc); + + return rc; +} + +u32 flash_shutdown(u32 media) +{ + int rc; + + rc = flash_callbacks.shutdown(media, 0, 0); + + if (rc) + printk(BIOS_DEBUG, "flash_shutdown failed with rc=%x.\n", rc); + + return rc; +} diff --git a/src/soc/marvell/mvmap2315/include/soc/flash.h b/src/soc/marvell/mvmap2315/include/soc/flash.h new file mode 100644 index 0000000000..fc33096a02 --- /dev/null +++ b/src/soc/marvell/mvmap2315/include/soc/flash.h @@ -0,0 +1,57 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Marvell, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __SOC_MARVELL_MVMAP2315_FLASH_H__ +#define __SOC_MARVELL_MVMAP2315_FLASH_H__ + +#include + +#define MVMAP2315_FLASH_INIT 0xFFE00084 +#define MVMAP2315_FLASH_READ 0xFFE00088 +#define MVMAP2315_FLASH_WRITE 0xFFE0008C +#define MVMAP2315_FLASH_SHUTDOWN 0xFFE00098 +#define MVMAP2315_FLASH_SET_PARTITION 0xFFE00094 + +#define MVMAP2315_MMC_CLK_MHZ 0x00000019 + +enum { + MVMAP2315_SD = 7, + MVMAP2315_EMMC = 8, + MVMAP2315_EEPROM = 27, +}; + +struct flash_params { + u32 offset; + u32 buff; + u32 size; + u32 id; + u32 partition; +}; + +struct flash_ops { + u32 (*init)(u32 media, u32 context, u32 clock_input_mhz); + u32 (*read)(u32 media, u32 context, struct flash_params *); + u32 (*write)(u32 media, u32 context, struct flash_params *); + u32 (*shutdown)(u32 media, u32 context, struct flash_params *); + u32 (*set_partition)(u32 media, u32 context, struct flash_params *); +}; + +u32 flash_init(u32 media, u32 clock_input_mhz); +u32 flash_read(u32 media, struct flash_params *flash_image_info); +u32 flash_write(u32 media, struct flash_params *flash_image_info); +u32 flash_shutdown(u32 media); +u32 flash_partition(u32 media, struct flash_params *flash_image_info); + +#endif /* __SOC_MARVELL_MVMAP2315_FLASH_H__ */ -- cgit v1.2.3