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authorOlof Johansson <olof@lixom.net>2012-09-23 01:20:37 -0400
committerOlof Johansson <olof@lixom.net>2012-09-23 01:20:37 -0400
commit40169a7c399346281da55ed9905a104d3da47945 (patch)
tree47181afbd7ccf73af8ec0b840d637a794062faa0 /arch/arm/plat-omap
parent84bae6c379e362aa017efd417199f51d5c2273ac (diff)
parentc164fa62b93782165f12c0e8366f7b46507edb4d (diff)
Merge branch 'for-arm-soc-next' of git://git.linaro.org/people/ljones/linux-3.0-ux500 into next/dt
* 'for-arm-soc-next' of git://git.linaro.org/people/ljones/linux-3.0-ux500: ARM: ux500: Fix SSP register address format ARM: ux500: Apply tc3589x's GPIO/IRQ properties to HREF's DT ARM: ux500: Remove redundant #gpio-cell properties from Snowball DT ARM: ux500: Add all encompassing sound node to the HREF Device Tree ARM: ux500: Add nodes for the MSP into the HREF Device Tree ARM: ux500: Add all known I2C sub-device nodes to the HREF DT ARM: ux500: Stop registering I2C sub-devices for HREF when DT is enabled ARM: ux500: Stop registering Audio devices for HREF when DT is enabled ARM: ux500: Add all encompassing sound node to the Snowball Device Tree ARM: ux500: Add nodes for the MSP into Device Tree ARM: ux500: Rename MSP board file to something more meaningful ARM: ux500: Remove platform registration of MSP devices ARM: ux500: Stop registering the MOP500 Audio driver from platform code ARM: ux500: Pass MSP DMA platform data though AUXDATA ARM: ux500: Fork MSP platform registration for step-by-step DT enablement ARM: ux500: Add AB8500 CODEC node to DB8500 Device Tree ARM: ux500: Clean-up MSP platform code ARM: ux500: Pass SDI DMA information though AUX_DATA to MMCI ARM: ux500: Add UART support to the HREF Device Tree ARM: ux500: Add skeleton Device Tree for the HREF reference board ... + sync to v3.6-rc6
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r--arch/arm/plat-omap/sram.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index d861aa73299..28acb383e7d 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -67,6 +67,7 @@
67 67
68static unsigned long omap_sram_start; 68static unsigned long omap_sram_start;
69static void __iomem *omap_sram_base; 69static void __iomem *omap_sram_base;
70static unsigned long omap_sram_skip;
70static unsigned long omap_sram_size; 71static unsigned long omap_sram_size;
71static void __iomem *omap_sram_ceil; 72static void __iomem *omap_sram_ceil;
72 73
@@ -105,6 +106,7 @@ static int is_sram_locked(void)
105 */ 106 */
106static void __init omap_detect_sram(void) 107static void __init omap_detect_sram(void)
107{ 108{
109 omap_sram_skip = SRAM_BOOTLOADER_SZ;
108 if (cpu_class_is_omap2()) { 110 if (cpu_class_is_omap2()) {
109 if (is_sram_locked()) { 111 if (is_sram_locked()) {
110 if (cpu_is_omap34xx()) { 112 if (cpu_is_omap34xx()) {
@@ -112,6 +114,7 @@ static void __init omap_detect_sram(void)
112 if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) || 114 if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) ||
113 (omap_type() == OMAP2_DEVICE_TYPE_SEC)) { 115 (omap_type() == OMAP2_DEVICE_TYPE_SEC)) {
114 omap_sram_size = 0x7000; /* 28K */ 116 omap_sram_size = 0x7000; /* 28K */
117 omap_sram_skip += SZ_16K;
115 } else { 118 } else {
116 omap_sram_size = 0x8000; /* 32K */ 119 omap_sram_size = 0x8000; /* 32K */
117 } 120 }
@@ -174,8 +177,10 @@ static void __init omap_map_sram(void)
174 return; 177 return;
175 178
176#ifdef CONFIG_OMAP4_ERRATA_I688 179#ifdef CONFIG_OMAP4_ERRATA_I688
180 if (cpu_is_omap44xx()) {
177 omap_sram_start += PAGE_SIZE; 181 omap_sram_start += PAGE_SIZE;
178 omap_sram_size -= SZ_16K; 182 omap_sram_size -= SZ_16K;
183 }
179#endif 184#endif
180 if (cpu_is_omap34xx()) { 185 if (cpu_is_omap34xx()) {
181 /* 186 /*
@@ -202,8 +207,8 @@ static void __init omap_map_sram(void)
202 * Looks like we need to preserve some bootloader code at the 207 * Looks like we need to preserve some bootloader code at the
203 * beginning of SRAM for jumping to flash for reboot to work... 208 * beginning of SRAM for jumping to flash for reboot to work...
204 */ 209 */
205 memset_io(omap_sram_base + SRAM_BOOTLOADER_SZ, 0, 210 memset_io(omap_sram_base + omap_sram_skip, 0,
206 omap_sram_size - SRAM_BOOTLOADER_SZ); 211 omap_sram_size - omap_sram_skip);
207} 212}
208 213
209/* 214/*
@@ -217,7 +222,7 @@ void *omap_sram_push_address(unsigned long size)
217{ 222{
218 unsigned long available, new_ceil = (unsigned long)omap_sram_ceil; 223 unsigned long available, new_ceil = (unsigned long)omap_sram_ceil;
219 224
220 available = omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ); 225 available = omap_sram_ceil - (omap_sram_base + omap_sram_skip);
221 226
222 if (size > available) { 227 if (size > available) {
223 pr_err("Not enough space in SRAM\n"); 228 pr_err("Not enough space in SRAM\n");