diff options
-rw-r--r-- | arch/mips/mips-boards/malta/malta_setup.c | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/arch/mips/mips-boards/malta/malta_setup.c b/arch/mips/mips-boards/malta/malta_setup.c index d051405a2809..79d74ea75bc4 100644 --- a/arch/mips/mips-boards/malta/malta_setup.c +++ b/arch/mips/mips-boards/malta/malta_setup.c | |||
@@ -108,6 +108,30 @@ void __init fd_activate(void) | |||
108 | } | 108 | } |
109 | #endif | 109 | #endif |
110 | 110 | ||
111 | #ifdef CONFIG_BLK_DEV_IDE | ||
112 | static void __init pci_clock_check(void) | ||
113 | { | ||
114 | unsigned int __iomem *jmpr_p = | ||
115 | (unsigned int *) ioremap(MALTA_JMPRS_REG, sizeof(unsigned int)); | ||
116 | int jmpr = (__raw_readl(jmpr_p) >> 2) & 0x07; | ||
117 | static const int pciclocks[] __initdata = { | ||
118 | 33, 20, 25, 30, 12, 16, 37, 10 | ||
119 | }; | ||
120 | int pciclock = pciclocks[jmpr]; | ||
121 | char *argptr = prom_getcmdline(); | ||
122 | |||
123 | if (pciclock != 33 && !strstr(argptr, "idebus=")) { | ||
124 | printk(KERN_WARNING "WARNING: PCI clock is %dMHz, " | ||
125 | "setting idebus\n", pciclock); | ||
126 | argptr += strlen(argptr); | ||
127 | sprintf(argptr, " idebus=%d", pciclock); | ||
128 | if (pciclock < 20 || pciclock > 66) | ||
129 | printk(KERN_WARNING "WARNING: IDE timing " | ||
130 | "calculations will be incorrect\n"); | ||
131 | } | ||
132 | } | ||
133 | #endif | ||
134 | |||
111 | void __init plat_mem_setup(void) | 135 | void __init plat_mem_setup(void) |
112 | { | 136 | { |
113 | unsigned int i; | 137 | unsigned int i; |
@@ -171,24 +195,7 @@ void __init plat_mem_setup(void) | |||
171 | #endif | 195 | #endif |
172 | 196 | ||
173 | #ifdef CONFIG_BLK_DEV_IDE | 197 | #ifdef CONFIG_BLK_DEV_IDE |
174 | /* Check PCI clock */ | 198 | pci_clock_check(); |
175 | { | ||
176 | unsigned int __iomem *jmpr_p = (unsigned int *) ioremap(MALTA_JMPRS_REG, sizeof(unsigned int)); | ||
177 | int jmpr = (__raw_readl(jmpr_p) >> 2) & 0x07; | ||
178 | static const int pciclocks[] __initdata = { | ||
179 | 33, 20, 25, 30, 12, 16, 37, 10 | ||
180 | }; | ||
181 | int pciclock = pciclocks[jmpr]; | ||
182 | char *argptr = prom_getcmdline(); | ||
183 | |||
184 | if (pciclock != 33 && !strstr (argptr, "idebus=")) { | ||
185 | printk("WARNING: PCI clock is %dMHz, setting idebus\n", pciclock); | ||
186 | argptr += strlen(argptr); | ||
187 | sprintf(argptr, " idebus=%d", pciclock); | ||
188 | if (pciclock < 20 || pciclock > 66) | ||
189 | printk("WARNING: IDE timing calculations will be incorrect\n"); | ||
190 | } | ||
191 | } | ||
192 | #endif | 199 | #endif |
193 | #ifdef CONFIG_BLK_DEV_FD | 200 | #ifdef CONFIG_BLK_DEV_FD |
194 | fd_activate(); | 201 | fd_activate(); |