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fix the PCI byte lane enable generation code, based on a patch by Chris Dearman

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SVN-Revision: 12617
This commit is contained in:
Gabor Juhos 2008-09-17 13:29:47 +00:00
parent 954c24c5ed
commit a43e2d5ac6
1 changed files with 6 additions and 5 deletions
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11
target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c
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@ -59,17 +59,18 @@ static inline void ar71xx_pcicfg_wr(unsigned int reg, u32 val)
/* Byte lane enable bits */
static u8 ble_table[4][4] = {
{0xf, 0xe, 0xd, 0xc},
{0xc, 0x9, 0x3, 0x1},
{0x0, 0x0, 0x0, 0x0},
{0x0, 0x0, 0x0, 0x0},
{0x0, 0xf, 0xf, 0xf},
{0xe, 0xd, 0xb, 0x7},
{0xc, 0xf, 0x3, 0xf},
{0xf, 0xf, 0xf, 0xf},
};
static inline u32 ar71xx_pci_get_ble(int where, int size, int local)
{
u32 t;
t = ble_table[size][where & 3];
t = ble_table[size & 3][where & 3];
BUG_ON(t == 0xf);
t <<= (local) ? 20 : 4;
return t;
}