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authorArnd Bergmann <arnd@arndb.de>2011-11-23 15:26:57 -0500
committerArnd Bergmann <arnd@arndb.de>2011-11-23 15:26:57 -0500
commitd92c9d5b38cd2932de463df1afa7a67fbf9207ef (patch)
treeeba58d615061927cb10ba5ab8ca3e68e8a01cf7f /arch/arm/mach-imx
parent4f778f56ee4f399439e401d45c1a76d72120a1f3 (diff)
parent7378a62be238d4c12e7275e91a99adf6f5e8c7f0 (diff)
Merge branch 'imx-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes
Diffstat (limited to 'arch/arm/mach-imx')
-rw-r--r--arch/arm/mach-imx/Kconfig13
-rw-r--r--arch/arm/mach-imx/mm-imx3.c109
2 files changed, 58 insertions, 64 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 5f7f9c2a34ae..c44aa974e79c 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -10,11 +10,6 @@ config HAVE_IMX_MMDC
10config HAVE_IMX_SRC 10config HAVE_IMX_SRC
11 bool 11 bool
12 12
13#
14# ARCH_MX31 and ARCH_MX35 are left for compatibility
15# Some usages assume that having one of them implies not having (e.g.) ARCH_MX2.
16# To easily distinguish good and reviewed from unreviewed usages new (and IMHO
17# more sensible) names are used: SOC_IMX31 and SOC_IMX35
18config ARCH_MX1 13config ARCH_MX1
19 bool 14 bool
20 15
@@ -27,12 +22,6 @@ config ARCH_MX25
27config MACH_MX27 22config MACH_MX27
28 bool 23 bool
29 24
30config ARCH_MX31
31 bool
32
33config ARCH_MX35
34 bool
35
36config SOC_IMX1 25config SOC_IMX1
37 bool 26 bool
38 select ARCH_MX1 27 select ARCH_MX1
@@ -72,7 +61,6 @@ config SOC_IMX31
72 select CPU_V6 61 select CPU_V6
73 select IMX_HAVE_PLATFORM_MXC_RNGA 62 select IMX_HAVE_PLATFORM_MXC_RNGA
74 select ARCH_MXC_AUDMUX_V2 63 select ARCH_MXC_AUDMUX_V2
75 select ARCH_MX31
76 select MXC_AVIC 64 select MXC_AVIC
77 select SMP_ON_UP if SMP 65 select SMP_ON_UP if SMP
78 66
@@ -82,7 +70,6 @@ config SOC_IMX35
82 select ARCH_MXC_IOMUX_V3 70 select ARCH_MXC_IOMUX_V3
83 select ARCH_MXC_AUDMUX_V2 71 select ARCH_MXC_AUDMUX_V2
84 select HAVE_EPIT 72 select HAVE_EPIT
85 select ARCH_MX35
86 select MXC_AVIC 73 select MXC_AVIC
87 select SMP_ON_UP if SMP 74 select SMP_ON_UP if SMP
88 75
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 9f0e82ec3398..31807d2a8b7b 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -33,29 +33,32 @@
33static void imx3_idle(void) 33static void imx3_idle(void)
34{ 34{
35 unsigned long reg = 0; 35 unsigned long reg = 0;
36 __asm__ __volatile__( 36
37 /* disable I and D cache */ 37 if (!need_resched())
38 "mrc p15, 0, %0, c1, c0, 0\n" 38 __asm__ __volatile__(
39 "bic %0, %0, #0x00001000\n" 39 /* disable I and D cache */
40 "bic %0, %0, #0x00000004\n" 40 "mrc p15, 0, %0, c1, c0, 0\n"
41 "mcr p15, 0, %0, c1, c0, 0\n" 41 "bic %0, %0, #0x00001000\n"
42 /* invalidate I cache */ 42 "bic %0, %0, #0x00000004\n"
43 "mov %0, #0\n" 43 "mcr p15, 0, %0, c1, c0, 0\n"
44 "mcr p15, 0, %0, c7, c5, 0\n" 44 /* invalidate I cache */
45 /* clear and invalidate D cache */ 45 "mov %0, #0\n"
46 "mov %0, #0\n" 46 "mcr p15, 0, %0, c7, c5, 0\n"
47 "mcr p15, 0, %0, c7, c14, 0\n" 47 /* clear and invalidate D cache */
48 /* WFI */ 48 "mov %0, #0\n"
49 "mov %0, #0\n" 49 "mcr p15, 0, %0, c7, c14, 0\n"
50 "mcr p15, 0, %0, c7, c0, 4\n" 50 /* WFI */
51 "nop\n" "nop\n" "nop\n" "nop\n" 51 "mov %0, #0\n"
52 "nop\n" "nop\n" "nop\n" 52 "mcr p15, 0, %0, c7, c0, 4\n"
53 /* enable I and D cache */ 53 "nop\n" "nop\n" "nop\n" "nop\n"
54 "mrc p15, 0, %0, c1, c0, 0\n" 54 "nop\n" "nop\n" "nop\n"
55 "orr %0, %0, #0x00001000\n" 55 /* enable I and D cache */
56 "orr %0, %0, #0x00000004\n" 56 "mrc p15, 0, %0, c1, c0, 0\n"
57 "mcr p15, 0, %0, c1, c0, 0\n" 57 "orr %0, %0, #0x00001000\n"
58 : "=r" (reg)); 58 "orr %0, %0, #0x00000004\n"
59 "mcr p15, 0, %0, c1, c0, 0\n"
60 : "=r" (reg));
61 local_irq_enable();
59} 62}
60 63
61static void __iomem *imx3_ioremap(unsigned long phys_addr, size_t size, 64static void __iomem *imx3_ioremap(unsigned long phys_addr, size_t size,
@@ -108,6 +111,7 @@ void imx3_init_l2x0(void)
108 l2x0_init(l2x0_base, 0x00030024, 0x00000000); 111 l2x0_init(l2x0_base, 0x00030024, 0x00000000);
109} 112}
110 113
114#ifdef CONFIG_SOC_IMX31
111static struct map_desc mx31_io_desc[] __initdata = { 115static struct map_desc mx31_io_desc[] __initdata = {
112 imx_map_entry(MX31, X_MEMC, MT_DEVICE), 116 imx_map_entry(MX31, X_MEMC, MT_DEVICE),
113 imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED), 117 imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED),
@@ -126,33 +130,11 @@ void __init mx31_map_io(void)
126 iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc)); 130 iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc));
127} 131}
128 132
129static struct map_desc mx35_io_desc[] __initdata = {
130 imx_map_entry(MX35, X_MEMC, MT_DEVICE),
131 imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED),
132 imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED),
133 imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED),
134 imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED),
135};
136
137void __init mx35_map_io(void)
138{
139 iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc));
140}
141
142void __init imx31_init_early(void) 133void __init imx31_init_early(void)
143{ 134{
144 mxc_set_cpu_type(MXC_CPU_MX31); 135 mxc_set_cpu_type(MXC_CPU_MX31);
145 mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR)); 136 mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
146 imx_idle = imx3_idle; 137 pm_idle = imx3_idle;
147 imx_ioremap = imx3_ioremap;
148}
149
150void __init imx35_init_early(void)
151{
152 mxc_set_cpu_type(MXC_CPU_MX35);
153 mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
154 mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
155 imx_idle = imx3_idle;
156 imx_ioremap = imx3_ioremap; 138 imx_ioremap = imx3_ioremap;
157} 139}
158 140
@@ -161,11 +143,6 @@ void __init mx31_init_irq(void)
161 mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR)); 143 mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR));
162} 144}
163 145
164void __init mx35_init_irq(void)
165{
166 mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR));
167}
168
169static struct sdma_script_start_addrs imx31_to1_sdma_script __initdata = { 146static struct sdma_script_start_addrs imx31_to1_sdma_script __initdata = {
170 .per_2_per_addr = 1677, 147 .per_2_per_addr = 1677,
171}; 148};
@@ -199,6 +176,35 @@ void __init imx31_soc_init(void)
199 176
200 imx_add_imx_sdma("imx31-sdma", MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata); 177 imx_add_imx_sdma("imx31-sdma", MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata);
201} 178}
179#endif /* ifdef CONFIG_SOC_IMX31 */
180
181#ifdef CONFIG_SOC_IMX35
182static struct map_desc mx35_io_desc[] __initdata = {
183 imx_map_entry(MX35, X_MEMC, MT_DEVICE),
184 imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED),
185 imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED),
186 imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED),
187 imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED),
188};
189
190void __init mx35_map_io(void)
191{
192 iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc));
193}
194
195void __init imx35_init_early(void)
196{
197 mxc_set_cpu_type(MXC_CPU_MX35);
198 mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
199 mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
200 pm_idle = imx3_idle;
201 imx_ioremap = imx3_ioremap;
202}
203
204void __init mx35_init_irq(void)
205{
206 mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR));
207}
202 208
203static struct sdma_script_start_addrs imx35_to1_sdma_script __initdata = { 209static struct sdma_script_start_addrs imx35_to1_sdma_script __initdata = {
204 .ap_2_ap_addr = 642, 210 .ap_2_ap_addr = 642,
@@ -254,3 +260,4 @@ void __init imx35_soc_init(void)
254 260
255 imx_add_imx_sdma("imx35-sdma", MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata); 261 imx_add_imx_sdma("imx35-sdma", MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata);
256} 262}
263#endif /* ifdef CONFIG_SOC_IMX35 */