aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap1/io.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap1/io.c')
-rw-r--r--arch/arm/mach-omap1/io.c30
1 files changed, 8 insertions, 22 deletions
diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index 207df0fe934d..eb8261d7dead 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/arch/arm/mach-omap1/io.c
@@ -19,6 +19,7 @@
19 19
20extern int clk_init(void); 20extern int clk_init(void);
21extern void omap_check_revision(void); 21extern void omap_check_revision(void);
22extern void omap_sram_init(void);
22 23
23/* 24/*
24 * The machine specific code may provide the extra mapping besides the 25 * The machine specific code may provide the extra mapping besides the
@@ -32,7 +33,6 @@ static struct map_desc omap_io_desc[] __initdata = {
32static struct map_desc omap730_io_desc[] __initdata = { 33static struct map_desc omap730_io_desc[] __initdata = {
33 { OMAP730_DSP_BASE, OMAP730_DSP_START, OMAP730_DSP_SIZE, MT_DEVICE }, 34 { OMAP730_DSP_BASE, OMAP730_DSP_START, OMAP730_DSP_SIZE, MT_DEVICE },
34 { OMAP730_DSPREG_BASE, OMAP730_DSPREG_START, OMAP730_DSPREG_SIZE, MT_DEVICE }, 35 { OMAP730_DSPREG_BASE, OMAP730_DSPREG_START, OMAP730_DSPREG_SIZE, MT_DEVICE },
35 { OMAP730_SRAM_BASE, OMAP730_SRAM_START, OMAP730_SRAM_SIZE, MT_DEVICE }
36}; 36};
37#endif 37#endif
38 38
@@ -40,27 +40,13 @@ static struct map_desc omap730_io_desc[] __initdata = {
40static struct map_desc omap1510_io_desc[] __initdata = { 40static struct map_desc omap1510_io_desc[] __initdata = {
41 { OMAP1510_DSP_BASE, OMAP1510_DSP_START, OMAP1510_DSP_SIZE, MT_DEVICE }, 41 { OMAP1510_DSP_BASE, OMAP1510_DSP_START, OMAP1510_DSP_SIZE, MT_DEVICE },
42 { OMAP1510_DSPREG_BASE, OMAP1510_DSPREG_START, OMAP1510_DSPREG_SIZE, MT_DEVICE }, 42 { OMAP1510_DSPREG_BASE, OMAP1510_DSPREG_START, OMAP1510_DSPREG_SIZE, MT_DEVICE },
43 { OMAP1510_SRAM_BASE, OMAP1510_SRAM_START, OMAP1510_SRAM_SIZE, MT_DEVICE }
44}; 43};
45#endif 44#endif
46 45
47#if defined(CONFIG_ARCH_OMAP16XX) 46#if defined(CONFIG_ARCH_OMAP16XX)
48static struct map_desc omap1610_io_desc[] __initdata = { 47static struct map_desc omap16xx_io_desc[] __initdata = {
49 { OMAP16XX_DSP_BASE, OMAP16XX_DSP_START, OMAP16XX_DSP_SIZE, MT_DEVICE }, 48 { OMAP16XX_DSP_BASE, OMAP16XX_DSP_START, OMAP16XX_DSP_SIZE, MT_DEVICE },
50 { OMAP16XX_DSPREG_BASE, OMAP16XX_DSPREG_START, OMAP16XX_DSPREG_SIZE, MT_DEVICE }, 49 { OMAP16XX_DSPREG_BASE, OMAP16XX_DSPREG_START, OMAP16XX_DSPREG_SIZE, MT_DEVICE },
51 { OMAP16XX_SRAM_BASE, OMAP16XX_SRAM_START, OMAP1610_SRAM_SIZE, MT_DEVICE }
52};
53
54static struct map_desc omap5912_io_desc[] __initdata = {
55 { OMAP16XX_DSP_BASE, OMAP16XX_DSP_START, OMAP16XX_DSP_SIZE, MT_DEVICE },
56 { OMAP16XX_DSPREG_BASE, OMAP16XX_DSPREG_START, OMAP16XX_DSPREG_SIZE, MT_DEVICE },
57/*
58 * The OMAP5912 has 250kByte internal SRAM. Because the mapping is baseed on page
59 * size (4kByte), it seems that the last 2kByte (=0x800) of the 250kByte are not mapped.
60 * Add additional 2kByte (0x800) so that the last page is mapped and the last 2kByte
61 * can be used.
62 */
63 { OMAP16XX_SRAM_BASE, OMAP16XX_SRAM_START, OMAP5912_SRAM_SIZE + 0x800, MT_DEVICE }
64}; 50};
65#endif 51#endif
66 52
@@ -86,14 +72,13 @@ static void __init _omap_map_io(void)
86 } 72 }
87#endif 73#endif
88#if defined(CONFIG_ARCH_OMAP16XX) 74#if defined(CONFIG_ARCH_OMAP16XX)
89 if (cpu_is_omap1610() || cpu_is_omap1710()) { 75 if (cpu_is_omap16xx()) {
90 iotable_init(omap1610_io_desc, ARRAY_SIZE(omap1610_io_desc)); 76 iotable_init(omap16xx_io_desc, ARRAY_SIZE(omap16xx_io_desc));
91 }
92 if (cpu_is_omap5912()) {
93 iotable_init(omap5912_io_desc, ARRAY_SIZE(omap5912_io_desc));
94 } 77 }
95#endif 78#endif
96 79
80 omap_sram_init();
81
97 /* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort 82 /* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
98 * on a Posted Write in the TIPB Bridge". 83 * on a Posted Write in the TIPB Bridge".
99 */ 84 */
@@ -108,8 +93,9 @@ static void __init _omap_map_io(void)
108/* 93/*
109 * This should only get called from board specific init 94 * This should only get called from board specific init
110 */ 95 */
111void omap_map_common_io(void) 96void __init omap_map_common_io(void)
112{ 97{
113 if (!initialized) 98 if (!initialized)
114 _omap_map_io(); 99 _omap_map_io();
115} 100}
101