diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/fsp_baytrail/spi.c | 72 |
1 files changed, 37 insertions, 35 deletions
diff --git a/src/soc/intel/fsp_baytrail/spi.c b/src/soc/intel/fsp_baytrail/spi.c index 1b85fc58ee..374e7f6a44 100644 --- a/src/soc/intel/fsp_baytrail/spi.c +++ b/src/soc/intel/fsp_baytrail/spi.c @@ -1,6 +1,7 @@ /* * Copyright (c) 2011 The Chromium OS Authors. * Copyright (C) 2013-2014 Sage Electronic Engineering, LLC. + * Copyright (C) 2016 Siemens AG * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -158,64 +159,65 @@ enum { SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS = 3 }; -#if IS_ENABLED(CONFIG_DEBUG_SPI_FLASH) +#define SPI_OFFSET_MASK 0x3ff -static u8 readb_(const void *addr) +static uint8_t readb_(const void *addr) { - u8 v = read8(addr); - printk(BIOS_DEBUG, "read %2.2x from %4.4x\n", - v, ((unsigned) addr & 0xffff) - 0xf020); + uint8_t v = read8(addr); + if (IS_ENABLED(CONFIG_DEBUG_SPI_FLASH)) { + printk(BIOS_DEBUG, "SPI: read %2.2x from %4.4x\n", + v, (((uint32_t) addr) & SPI_OFFSET_MASK)); + } return v; } -static u16 readw_(const void *addr) +static uint16_t readw_(const void *addr) { - u16 v = read16(addr); - printk(BIOS_DEBUG, "read %4.4x from %4.4x\n", - v, ((unsigned) addr & 0xffff) - 0xf020); + uint16_t v = read16(addr); + if (IS_ENABLED(CONFIG_DEBUG_SPI_FLASH)) { + printk(BIOS_DEBUG, "SPI: read %4.4x from %4.4x\n", + v, (((uint32_t) addr) & SPI_OFFSET_MASK)); + } return v; } -static u32 readl_(const void *addr) +static uint32_t readl_(const void *addr) { - u32 v = read32(addr); - printk(BIOS_DEBUG, "read %8.8x from %4.4x\n", - v, ((unsigned) addr & 0xffff) - 0xf020); + uint32_t v = read32(addr); + if (IS_ENABLED(CONFIG_DEBUG_SPI_FLASH)) { + printk(BIOS_DEBUG, "SPI: read %8.8x from %4.4x\n", + v, (((uint32_t) addr) & SPI_OFFSET_MASK)); + } return v; } -static void writeb_(u8 b, void *addr) +static void writeb_(uint8_t b, void *addr) { write8(addr, b); - printk(BIOS_DEBUG, "wrote %2.2x to %4.4x\n", - b, ((unsigned) addr & 0xffff) - 0xf020); + if (IS_ENABLED(CONFIG_DEBUG_SPI_FLASH)) { + printk(BIOS_DEBUG, "SPI: wrote %2.2x to %4.4x\n", + b, (((uint32_t) addr) & SPI_OFFSET_MASK)); + } } -static void writew_(u16 b, void *addr) +static void writew_(uint16_t b, void *addr) { write16(addr, b); - printk(BIOS_DEBUG, "wrote %4.4x to %4.4x\n", - b, ((unsigned) addr & 0xffff) - 0xf020); + if (IS_ENABLED(CONFIG_DEBUG_SPI_FLASH)) { + printk(BIOS_DEBUG, "SPI: wrote %4.4x to %4.4x\n", + b, (((uint32_t) addr) & SPI_OFFSET_MASK)); + } } -static void writel_(u32 b, void *addr) +static void writel_(uint32_t b, void *addr) { write32(addr, b); - printk(BIOS_DEBUG, "wrote %8.8x to %4.4x\n", - b, ((unsigned) addr & 0xffff) - 0xf020); + if (IS_ENABLED(CONFIG_DEBUG_SPI_FLASH)) { + printk(BIOS_DEBUG, "SPI: wrote %8.8x to %4.4x\n", + b, (((uint32_t) addr) & SPI_OFFSET_MASK)); + } } -#else /* CONFIG_DEBUG_SPI_FLASH ^^^ enabled vvv NOT enabled */ - -#define readb_(a) read8(a) -#define readw_(a) read16(a) -#define readl_(a) read32(a) -#define writeb_(val, addr) write8(addr, val) -#define writew_(val, addr) write16(addr, val) -#define writel_(val, addr) write32(addr, val) - -#endif /* CONFIG_DEBUG_SPI_FLASH ^^^ NOT enabled */ - static void write_reg(const void *value, void *dest, uint32_t size) { const uint8_t *bvalue = value; @@ -441,10 +443,10 @@ static int spi_setup_offset(spi_transaction *trans) * * Return the last read status value on success or -1 on failure. */ -static int ich_status_poll(u16 bitmask, int wait_til_set) +static int ich_status_poll(uint16_t bitmask, int wait_til_set) { int timeout = 40000; /* This will result in 400 ms */ - u16 status = 0; + uint16_t status = 0; while (timeout--) { status = readw_(cntlr.status); |