Add 16 bit and 32 bit chip reads/writes to the nic3com driver. It
emulates those accesses by splitting them to 8 bit accesses.
Signed-off-by: Carl-Daniel Hailfinger <[email protected]>
Index: flashrom-nic3com_16bit_32bit_read_write/nic3com.c
===================================================================
--- flashrom-nic3com_16bit_32bit_read_write/nic3com.c (Revision 516)
+++ flashrom-nic3com_16bit_32bit_read_write/nic3com.c (Arbeitskopie)
@@ -93,12 +93,18 @@
OUTB(val, io_base_addr + BIOS_ROM_DATA);
}
+/* Little-endian */
void nic3com_chip_writew(uint16_t val, volatile void *addr)
{
+ chip_writeb(val & 0xff, addr);
+ chip_writeb((val >> 8) & 0xff, addr + 1);
}
+/* Little-endian */
void nic3com_chip_writel(uint32_t val, volatile void *addr)
{
+ chip_writew(val & 0xffff, addr);
+ chip_writew((val >> 16) & 0xffff, addr + 2);
}
uint8_t nic3com_chip_readb(const volatile void *addr)
@@ -111,12 +117,20 @@
return val;
}
+/* Little-endian */
uint16_t nic3com_chip_readw(const volatile void *addr)
{
- return 0xffff;
+ uint16_t val;
+ val = chip_readb(addr);
+ val |= chip_readb(addr + 1) << 8;
+ return val;
}
+/* Little-endian */
uint32_t nic3com_chip_readl(const volatile void *addr)
{
- return 0xffffffff;
+ uint32_t val;
+ val = chip_readw(addr);
+ val |= chip_readw(addr + 2) << 16;
+ return val;
}
--
http://www.hailfinger.org/
Index: flashrom-nic3com_16bit_32bit_read_write/nic3com.c
===================================================================
--- flashrom-nic3com_16bit_32bit_read_write/nic3com.c (Revision 516)
+++ flashrom-nic3com_16bit_32bit_read_write/nic3com.c (Arbeitskopie)
@@ -93,12 +93,18 @@
OUTB(val, io_base_addr + BIOS_ROM_DATA);
}
+/* Little-endian */
void nic3com_chip_writew(uint16_t val, volatile void *addr)
{
+ chip_writeb(val & 0xff, addr);
+ chip_writeb((val >> 8) & 0xff, addr + 1);
}
+/* Little-endian */
void nic3com_chip_writel(uint32_t val, volatile void *addr)
{
+ chip_writew(val & 0xffff, addr);
+ chip_writew((val >> 16) & 0xffff, addr + 2);
}
uint8_t nic3com_chip_readb(const volatile void *addr)
@@ -111,12 +117,20 @@
return val;
}
+/* Little-endian */
uint16_t nic3com_chip_readw(const volatile void *addr)
{
- return 0xffff;
+ uint16_t val;
+ val = chip_readb(addr);
+ val |= chip_readb(addr + 1) << 8;
+ return val;
}
+/* Little-endian */
uint32_t nic3com_chip_readl(const volatile void *addr)
{
- return 0xffffffff;
+ uint32_t val;
+ val = chip_readw(addr);
+ val |= chip_readw(addr + 2) << 16;
+ return val;
}
--
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