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ARMv7: Drop sr32, and wait_on_value 

They're unused. Also drop some unused defines in system.h

Change-Id: Ia5afc3a676a4a94787041430f05d08f333033c73
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2404
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Tested-by: build bot (Jenkins)
This commit is contained in:
Stefan Reinauer 2013-02-14 15:56:08 -08:00 committed by David Hendricks
parent 0663dfd3d5
commit 7512e4593e
2 changed files with 2 additions and 48 deletions
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19
src/arch/armv7/include/system.h
View File

@ -2,17 +2,6 @@
#ifndef SYSTEM_H_ #ifndef SYSTEM_H_
#define SYSTEM_H_ #define SYSTEM_H_
#define CPU_ARCH_UNKNOWN 0
#define CPU_ARCH_ARMv3 1
#define CPU_ARCH_ARMv4 2
#define CPU_ARCH_ARMv4T 3
#define CPU_ARCH_ARMv5 4
#define CPU_ARCH_ARMv5T 5
#define CPU_ARCH_ARMv5TE 6
#define CPU_ARCH_ARMv5TEJ 7
#define CPU_ARCH_ARMv6 8
#define CPU_ARCH_ARMv7 9
/* /*
* CR1 bits (CP#15 CR1) * CR1 bits (CP#15 CR1)
*/ */
@ -111,13 +100,9 @@ void mmu_setup(unsigned long start, unsigned long size);
void arm_init_before_mmu(void); void arm_init_before_mmu(void);
/* /*
* FIXME: sdelay, sr32, and wait_on_value originally came from * FIXME: sdelay originally came from arch/arm/cpu/armv7/exynos5/setup.h in
* arch/arm/cpu/armv7/exynos5/setup.h in u-boot but do not seem * u-boot but does not seem specific to exynos5...
* specific to exynos5...
*/ */
void sdelay(unsigned long loops); void sdelay(unsigned long loops);
void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value);
u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
u32 bound);
#endif // __ASSEMBLY__ #endif // __ASSEMBLY__
#endif /* SYSTEM_H_ */ #endif /* SYSTEM_H_ */

31
src/arch/armv7/lib/syslib.c
View File

@ -21,7 +21,6 @@
* MA 02111-1307 USA * MA 02111-1307 USA
*/ */
//#include <common.h>
#include <arch/io.h> #include <arch/io.h>
#include <system.h> /* FIXME: dumping ground for prototypes */ #include <system.h> /* FIXME: dumping ground for prototypes */
@ -38,33 +37,3 @@ void sdelay(unsigned long loops)
"bne 1b":"=r" (loops):"0"(loops)); "bne 1b":"=r" (loops):"0"(loops));
} }
/*****************************************************************
* sr32 - clear & set a value in a bit range for a 32 bit address
*****************************************************************/
void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value)
{
u32 tmp, msk = 0;
msk = 1 << num_bits;
--msk;
tmp = readl((u32)addr) & ~(msk << start_bit);
tmp |= value << start_bit;
writel(tmp, (u32)addr);
}
/*********************************************************************
* wait_on_value() - common routine to allow waiting for changes in
* volatile regs.
*********************************************************************/
u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
u32 bound)
{
u32 i = 0, val;
do {
++i;
val = readl((u32)read_addr) & read_bit_mask;
if (val == match_value)
return 1;
if (i == bound)
return 0;
} while (1);
}