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authorJassi Brar <jassisinghbrar@gmail.com>2010-09-06 23:02:16 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-10-11 17:58:48 -0400
commit8b1f5d91e23300ea2f65007047d26799157dc4b8 (patch)
treedcef842c0eaa7751e34188855d6515cd1899100f /arch/arm/common/pl330.c
parente4eab08d6050ad04d960738f589724204fd1064c (diff)
ARM: 6367/1: PL330: Accept different revision
The driver can handle different revisions of the core which vary only minorly. Signed-off-by: Jassi Brar <jassi.brar@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/common/pl330.c')
-rw-r--r--arch/arm/common/pl330.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c
index 5ebbab6242a7..8f0f86db3602 100644
--- a/arch/arm/common/pl330.c
+++ b/arch/arm/common/pl330.c
@@ -146,8 +146,7 @@
146#define DESIGNER 0x41 146#define DESIGNER 0x41
147#define REVISION 0x0 147#define REVISION 0x0
148#define INTEG_CFG 0x0 148#define INTEG_CFG 0x0
149#define PERIPH_ID_VAL ((PART << 0) | (DESIGNER << 12) \ 149#define PERIPH_ID_VAL ((PART << 0) | (DESIGNER << 12))
150 | (REVISION << 20) | (INTEG_CFG << 24))
151 150
152#define PCELL_ID_VAL 0xb105f00d 151#define PCELL_ID_VAL 0xb105f00d
153 152
@@ -1859,10 +1858,10 @@ int pl330_add(struct pl330_info *pi)
1859 regs = pi->base; 1858 regs = pi->base;
1860 1859
1861 /* Check if we can handle this DMAC */ 1860 /* Check if we can handle this DMAC */
1862 if (get_id(pi, PERIPH_ID) != PERIPH_ID_VAL 1861 if ((get_id(pi, PERIPH_ID) & 0xfffff) != PERIPH_ID_VAL
1863 || get_id(pi, PCELL_ID) != PCELL_ID_VAL) { 1862 || get_id(pi, PCELL_ID) != PCELL_ID_VAL) {
1864 dev_err(pi->dev, "PERIPH_ID 0x%x, PCELL_ID 0x%x !\n", 1863 dev_err(pi->dev, "PERIPH_ID 0x%x, PCELL_ID 0x%x !\n",
1865 readl(regs + PERIPH_ID), readl(regs + PCELL_ID)); 1864 get_id(pi, PERIPH_ID), get_id(pi, PCELL_ID));
1866 return -EINVAL; 1865 return -EINVAL;
1867 } 1866 }
1868 1867