diff options
Diffstat (limited to 'arch/arm/plat-omap/sram.c')
-rw-r--r-- | arch/arm/plat-omap/sram.c | 37 |
1 files changed, 11 insertions, 26 deletions
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index 10b3b4c63372..e2c8eebe6b3a 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c | |||
@@ -19,6 +19,7 @@ | |||
19 | #include <linux/kernel.h> | 19 | #include <linux/kernel.h> |
20 | #include <linux/init.h> | 20 | #include <linux/init.h> |
21 | #include <linux/io.h> | 21 | #include <linux/io.h> |
22 | #include <linux/omapfb.h> | ||
22 | 23 | ||
23 | #include <asm/tlb.h> | 24 | #include <asm/tlb.h> |
24 | #include <asm/cacheflush.h> | 25 | #include <asm/cacheflush.h> |
@@ -30,8 +31,8 @@ | |||
30 | #include <plat/cpu.h> | 31 | #include <plat/cpu.h> |
31 | #include <plat/vram.h> | 32 | #include <plat/vram.h> |
32 | 33 | ||
33 | #include <plat/control.h> | 34 | #include "sram.h" |
34 | 35 | #include "fb.h" | |
35 | #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) | 36 | #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) |
36 | # include "../mach-omap2/prm.h" | 37 | # include "../mach-omap2/prm.h" |
37 | # include "../mach-omap2/cm.h" | 38 | # include "../mach-omap2/cm.h" |
@@ -53,7 +54,7 @@ | |||
53 | #define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000) | 54 | #define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000) |
54 | #define OMAP4_SRAM_PUB_VA (OMAP4_SRAM_VA + 0x4000) | 55 | #define OMAP4_SRAM_PUB_VA (OMAP4_SRAM_VA + 0x4000) |
55 | 56 | ||
56 | #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) | 57 | #if defined(CONFIG_ARCH_OMAP2PLUS) |
57 | #define SRAM_BOOTLOADER_SZ 0x00 | 58 | #define SRAM_BOOTLOADER_SZ 0x00 |
58 | #else | 59 | #else |
59 | #define SRAM_BOOTLOADER_SZ 0x80 | 60 | #define SRAM_BOOTLOADER_SZ 0x80 |
@@ -68,7 +69,6 @@ | |||
68 | #define OMAP34XX_VA_WRITEPERM0 OMAP2_L3_IO_ADDRESS(0x68012858) | 69 | #define OMAP34XX_VA_WRITEPERM0 OMAP2_L3_IO_ADDRESS(0x68012858) |
69 | #define OMAP34XX_VA_ADDR_MATCH2 OMAP2_L3_IO_ADDRESS(0x68012880) | 70 | #define OMAP34XX_VA_ADDR_MATCH2 OMAP2_L3_IO_ADDRESS(0x68012880) |
70 | #define OMAP34XX_VA_SMS_RG_ATT0 OMAP2_L3_IO_ADDRESS(0x6C000048) | 71 | #define OMAP34XX_VA_SMS_RG_ATT0 OMAP2_L3_IO_ADDRESS(0x6C000048) |
71 | #define OMAP34XX_VA_CONTROL_STAT OMAP2_L4_IO_ADDRESS(0x480022F0) | ||
72 | 72 | ||
73 | #define GP_DEVICE 0x300 | 73 | #define GP_DEVICE 0x300 |
74 | 74 | ||
@@ -79,12 +79,6 @@ static unsigned long omap_sram_base; | |||
79 | static unsigned long omap_sram_size; | 79 | static unsigned long omap_sram_size; |
80 | static unsigned long omap_sram_ceil; | 80 | static unsigned long omap_sram_ceil; |
81 | 81 | ||
82 | extern unsigned long omapfb_reserve_sram(unsigned long sram_pstart, | ||
83 | unsigned long sram_vstart, | ||
84 | unsigned long sram_size, | ||
85 | unsigned long pstart_avail, | ||
86 | unsigned long size_avail); | ||
87 | |||
88 | /* | 82 | /* |
89 | * Depending on the target RAMFS firewall setup, the public usable amount of | 83 | * Depending on the target RAMFS firewall setup, the public usable amount of |
90 | * SRAM varies. The default accessible size for all device types is 2k. A GP | 84 | * SRAM varies. The default accessible size for all device types is 2k. A GP |
@@ -93,16 +87,7 @@ extern unsigned long omapfb_reserve_sram(unsigned long sram_pstart, | |||
93 | */ | 87 | */ |
94 | static int is_sram_locked(void) | 88 | static int is_sram_locked(void) |
95 | { | 89 | { |
96 | int type = 0; | 90 | if (OMAP2_DEVICE_TYPE_GP == omap_type()) { |
97 | |||
98 | if (cpu_is_omap44xx()) | ||
99 | /* Not yet supported */ | ||
100 | return 0; | ||
101 | |||
102 | if (cpu_is_omap242x()) | ||
103 | type = omap_rev() & OMAP2_DEVICETYPE_MASK; | ||
104 | |||
105 | if (type == GP_DEVICE) { | ||
106 | /* RAMFW: R/W access to all initiators for all qualifier sets */ | 91 | /* RAMFW: R/W access to all initiators for all qualifier sets */ |
107 | if (cpu_is_omap242x()) { | 92 | if (cpu_is_omap242x()) { |
108 | __raw_writel(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */ | 93 | __raw_writel(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */ |
@@ -127,7 +112,7 @@ static int is_sram_locked(void) | |||
127 | * to secure SRAM will hang the system. Also the SRAM is not | 112 | * to secure SRAM will hang the system. Also the SRAM is not |
128 | * yet mapped at this point. | 113 | * yet mapped at this point. |
129 | */ | 114 | */ |
130 | void __init omap_detect_sram(void) | 115 | static void __init omap_detect_sram(void) |
131 | { | 116 | { |
132 | unsigned long reserved; | 117 | unsigned long reserved; |
133 | 118 | ||
@@ -213,7 +198,7 @@ static struct map_desc omap_sram_io_desc[] __initdata = { | |||
213 | /* | 198 | /* |
214 | * Note that we cannot use ioremap for SRAM, as clock init needs SRAM early. | 199 | * Note that we cannot use ioremap for SRAM, as clock init needs SRAM early. |
215 | */ | 200 | */ |
216 | void __init omap_map_sram(void) | 201 | static void __init omap_map_sram(void) |
217 | { | 202 | { |
218 | unsigned long base; | 203 | unsigned long base; |
219 | 204 | ||
@@ -330,7 +315,7 @@ u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass) | |||
330 | #endif | 315 | #endif |
331 | 316 | ||
332 | #ifdef CONFIG_ARCH_OMAP2420 | 317 | #ifdef CONFIG_ARCH_OMAP2420 |
333 | int __init omap242x_sram_init(void) | 318 | static int __init omap242x_sram_init(void) |
334 | { | 319 | { |
335 | _omap2_sram_ddr_init = omap_sram_push(omap242x_sram_ddr_init, | 320 | _omap2_sram_ddr_init = omap_sram_push(omap242x_sram_ddr_init, |
336 | omap242x_sram_ddr_init_sz); | 321 | omap242x_sram_ddr_init_sz); |
@@ -351,7 +336,7 @@ static inline int omap242x_sram_init(void) | |||
351 | #endif | 336 | #endif |
352 | 337 | ||
353 | #ifdef CONFIG_ARCH_OMAP2430 | 338 | #ifdef CONFIG_ARCH_OMAP2430 |
354 | int __init omap243x_sram_init(void) | 339 | static int __init omap243x_sram_init(void) |
355 | { | 340 | { |
356 | _omap2_sram_ddr_init = omap_sram_push(omap243x_sram_ddr_init, | 341 | _omap2_sram_ddr_init = omap_sram_push(omap243x_sram_ddr_init, |
357 | omap243x_sram_ddr_init_sz); | 342 | omap243x_sram_ddr_init_sz); |
@@ -407,7 +392,7 @@ void omap3_sram_restore_context(void) | |||
407 | } | 392 | } |
408 | #endif /* CONFIG_PM */ | 393 | #endif /* CONFIG_PM */ |
409 | 394 | ||
410 | int __init omap34xx_sram_init(void) | 395 | static int __init omap34xx_sram_init(void) |
411 | { | 396 | { |
412 | _omap3_sram_configure_core_dpll = | 397 | _omap3_sram_configure_core_dpll = |
413 | omap_sram_push(omap3_sram_configure_core_dpll, | 398 | omap_sram_push(omap3_sram_configure_core_dpll, |
@@ -423,7 +408,7 @@ static inline int omap34xx_sram_init(void) | |||
423 | #endif | 408 | #endif |
424 | 409 | ||
425 | #ifdef CONFIG_ARCH_OMAP4 | 410 | #ifdef CONFIG_ARCH_OMAP4 |
426 | int __init omap44xx_sram_init(void) | 411 | static int __init omap44xx_sram_init(void) |
427 | { | 412 | { |
428 | printk(KERN_ERR "FIXME: %s not implemented\n", __func__); | 413 | printk(KERN_ERR "FIXME: %s not implemented\n", __func__); |
429 | 414 | ||