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yaml
---
r: 42010
b: refs/heads/master
c: 5529840
h: refs/heads/master
v: v3
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Michael Broughton authored and Linus Torvalds committed Dec 4, 2006
1 parent 84fb327 commit 658541c
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 1bddcc50c27c8ca39a62a1d37e3928707be8f850
refs/heads/master: 552984050958fc0f51bff38948d0bf4d31ea2b03
20 changes: 20 additions & 0 deletions trunk/arch/m68knommu/platform/5307/head.S
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Expand Up @@ -64,6 +64,26 @@
negl %d0 /* negate bits */
.endm

#elif defined(CONFIG_M520x)
.macro GET_MEM_SIZE
clrl %d0
movel MCF_MBAR+MCFSIM_SDCS0, %d2 /* Get SDRAM chip select 0 config */
andl #0x1f, %d2 /* Get only the chip select size */
beq 3f /* Check if it is enabled */
addql #1, %d2 /* Form exponent */
moveql #1, %d0
lsll %d2, %d0 /* 2 ^ exponent */
3:
movel MCF_MBAR+MCFSIM_SDCS1, %d2 /* Get SDRAM chip select 1 config */
andl #0x1f, %d2 /* Get only the chip select size */
beq 4f /* Check if it is enabled */
addql #1, %d2 /* Form exponent */
moveql #1, %d1
lsll %d2, %d1 /* 2 ^ exponent */
addl %d1, %d0 /* Total size of SDRAM in d0 */
4:
.endm

#else
#error "ERROR: I don't know how to probe your boards memory size?"
#endif
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