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-rw-r--r--include/asm-ia64/sn/sn_sal.h39
1 files changed, 12 insertions, 27 deletions
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index 1455375d2ce4..27976d223186 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -134,43 +134,28 @@
134 134
135#define SN_SAL_FAKE_PROM 0x02009999 135#define SN_SAL_FAKE_PROM 0x02009999
136 136
137
138/** 137/**
139 * sn_sal_rev_major - get the major SGI SAL revision number 138 * sn_sal_revision - get the SGI SAL revision number
140 * 139 *
141 * The SGI PROM stores its version in sal_[ab]_rev_(major|minor). 140 * The SGI PROM stores its version in the sal_[ab]_rev_(major|minor).
142 * This routine simply extracts the major value from the 141 * This routine simply extracts the major and minor values and
143 * @ia64_sal_systab structure constructed by ia64_sal_init(). 142 * presents them in a u32 format.
144 */ 143 *
145static inline int 144 * For example, version 4.05 would be represented at 0x0405.
146sn_sal_rev_major(void) 145 */
146static inline u32
147sn_sal_rev(void)
147{ 148{
148 struct ia64_sal_systab *systab = efi.sal_systab; 149 struct ia64_sal_systab *systab = efi.sal_systab;
149 150
150 return (int)systab->sal_b_rev_major; 151 return (u32)(systab->sal_b_rev_major << 8 | systab->sal_b_rev_minor);
151}
152
153/**
154 * sn_sal_rev_minor - get the minor SGI SAL revision number
155 *
156 * The SGI PROM stores its version in sal_[ab]_rev_(major|minor).
157 * This routine simply extracts the minor value from the
158 * @ia64_sal_systab structure constructed by ia64_sal_init().
159 */
160static inline int
161sn_sal_rev_minor(void)
162{
163 struct ia64_sal_systab *systab = efi.sal_systab;
164
165 return (int)systab->sal_b_rev_minor;
166} 152}
167 153
168/* 154/*
169 * Specify the minimum PROM revsion required for this kernel. 155 * Specify the minimum PROM revsion required for this kernel.
170 * Note that they're stored in hex format... 156 * Note that they're stored in hex format...
171 */ 157 */
172#define SN_SAL_MIN_MAJOR 0x4 /* SN2 kernels need at least PROM 4.0 */ 158#define SN_SAL_MIN_VERSION 0x0404
173#define SN_SAL_MIN_MINOR 0x0
174 159
175/* 160/*
176 * Returns the master console nasid, if the call fails, return an illegal 161 * Returns the master console nasid, if the call fails, return an illegal