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authorTom Rini <trini@konsulko.com>2017-12-12 01:05:43 +0300
committerTom Rini <trini@konsulko.com>2017-12-12 01:05:43 +0300
commit6f1ee8a4bf72d4824cea25849f775ab487ddd579 (patch)
tree9d4f6ad7ca865c4b7a01f3b0ebd19c047cf6230d /arch
parent335f7b1290ce24a729a9689a1db834c743226ca8 (diff)
parente80dac0ab83ccb1d54e2d91b93d27b54a7f6544f (diff)
downloadu-boot-6f1ee8a4bf72d4824cea25849f775ab487ddd579.tar.xz
Merge git://git.denx.de/u-boot-arc
Diffstat (limited to 'arch')
-rw-r--r--arch/arc/include/asm/arcregs.h9
-rw-r--r--arch/arc/include/asm/gpio.h1
-rw-r--r--arch/arc/lib/cache.c16
3 files changed, 18 insertions, 8 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h
index 54a9b00d4c..ba1f7bac77 100644
--- a/arch/arc/include/asm/arcregs.h
+++ b/arch/arc/include/asm/arcregs.h
@@ -27,6 +27,12 @@
#define ARC_AUX_IC_PTAG 0x1E
#endif
#define ARC_BCR_IC_BUILD 0x77
+#define AUX_AUX_CACHE_LIMIT 0x5D
+#define ARC_AUX_NON_VOLATILE_LIMIT 0x5E
+
+/* ICCM and DCCM auxiliary registers */
+#define ARC_AUX_DCCM_BASE 0x18 /* DCCM Base Addr ARCv2 */
+#define ARC_AUX_ICCM_BASE 0x208 /* ICCM Base Addr ARCv2 */
/* Timer related auxiliary registers */
#define ARC_AUX_TIMER0_CNT 0x21 /* Timer 0 count */
@@ -72,6 +78,9 @@
/* gcc builtin sr needs reg param to be long immediate */
#define write_aux_reg(reg_immed, val) \
__builtin_arc_sr((unsigned int)val, reg_immed)
+
+/* ARCNUM [15:8] - field to identify each core in a multi-core system */
+#define CPU_ID_GET() ((read_aux_reg(ARC_AUX_IDENTITY) & 0xFF00) >> 8)
#endif /* __ASSEMBLY__ */
#endif /* _ASM_ARC_ARCREGS_H */
diff --git a/arch/arc/include/asm/gpio.h b/arch/arc/include/asm/gpio.h
new file mode 100644
index 0000000000..306ab4c9f2
--- /dev/null
+++ b/arch/arc/include/asm/gpio.h
@@ -0,0 +1 @@
+#include <asm-generic/gpio.h>
diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c
index d8741fe959..1073e1570f 100644
--- a/arch/arc/lib/cache.c
+++ b/arch/arc/lib/cache.c
@@ -32,15 +32,15 @@
* relocation but will be used after being zeroed.
*/
int l1_line_sz __section(".data");
-int dcache_exists __section(".data");
-int icache_exists __section(".data");
+bool dcache_exists __section(".data") = false;
+bool icache_exists __section(".data") = false;
#define CACHE_LINE_MASK (~(l1_line_sz - 1))
#ifdef CONFIG_ISA_ARCV2
int slc_line_sz __section(".data");
-int slc_exists __section(".data");
-int ioc_exists __section(".data");
+bool slc_exists __section(".data") = false;
+bool ioc_exists __section(".data") = false;
static unsigned int __before_slc_op(const int op)
{
@@ -152,7 +152,7 @@ static void read_decode_cache_bcr_arcv2(void)
sbcr.word = read_aux_reg(ARC_BCR_SLC);
if (sbcr.fields.ver) {
slc_cfg.word = read_aux_reg(ARC_AUX_SLC_CONFIG);
- slc_exists = 1;
+ slc_exists = true;
slc_line_sz = (slc_cfg.fields.lsz == 0) ? 128 : 64;
}
@@ -169,7 +169,7 @@ static void read_decode_cache_bcr_arcv2(void)
cbcr.word = read_aux_reg(ARC_BCR_CLUSTER);
if (cbcr.fields.c)
- ioc_exists = 1;
+ ioc_exists = true;
}
#endif
@@ -190,7 +190,7 @@ void read_decode_cache_bcr(void)
ibcr.word = read_aux_reg(ARC_BCR_IC_BUILD);
if (ibcr.fields.ver) {
- icache_exists = 1;
+ icache_exists = true;
l1_line_sz = ic_line_sz = 8 << ibcr.fields.line_len;
if (!ic_line_sz)
panic("Instruction exists but line length is 0\n");
@@ -198,7 +198,7 @@ void read_decode_cache_bcr(void)
dbcr.word = read_aux_reg(ARC_BCR_DC_BUILD);
if (dbcr.fields.ver){
- dcache_exists = 1;
+ dcache_exists = true;
l1_line_sz = dc_line_sz = 16 << dbcr.fields.line_len;
if (!dc_line_sz)
panic("Data cache exists but line length is 0\n");