diff options
Diffstat (limited to 'arch/powerpc/sysdev/cpm2_common.c')
-rw-r--r-- | arch/powerpc/sysdev/cpm2_common.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/arch/powerpc/sysdev/cpm2_common.c b/arch/powerpc/sysdev/cpm2_common.c index f7a04892400b..73376f9c1560 100644 --- a/arch/powerpc/sysdev/cpm2_common.c +++ b/arch/powerpc/sysdev/cpm2_common.c | |||
@@ -51,6 +51,7 @@ cpm_cpm2_t *cpmp; /* Pointer to comm processor space */ | |||
51 | * the communication processor devices. | 51 | * the communication processor devices. |
52 | */ | 52 | */ |
53 | cpm2_map_t *cpm2_immr; | 53 | cpm2_map_t *cpm2_immr; |
54 | intctl_cpm2_t *cpm2_intctl; | ||
54 | 55 | ||
55 | #define CPM_MAP_SIZE (0x40000) /* 256k - the PQ3 reserve this amount | 56 | #define CPM_MAP_SIZE (0x40000) /* 256k - the PQ3 reserve this amount |
56 | of space for CPM as it is larger | 57 | of space for CPM as it is larger |
@@ -60,6 +61,7 @@ void | |||
60 | cpm2_reset(void) | 61 | cpm2_reset(void) |
61 | { | 62 | { |
62 | cpm2_immr = (cpm2_map_t *)ioremap(CPM_MAP_ADDR, CPM_MAP_SIZE); | 63 | cpm2_immr = (cpm2_map_t *)ioremap(CPM_MAP_ADDR, CPM_MAP_SIZE); |
64 | cpm2_intctl = cpm2_map(im_intctl); | ||
63 | 65 | ||
64 | /* Reclaim the DP memory for our use. | 66 | /* Reclaim the DP memory for our use. |
65 | */ | 67 | */ |
@@ -94,13 +96,15 @@ cpm_setbrg(uint brg, uint rate) | |||
94 | /* This is good enough to get SMCs running..... | 96 | /* This is good enough to get SMCs running..... |
95 | */ | 97 | */ |
96 | if (brg < 4) { | 98 | if (brg < 4) { |
97 | bp = (uint *)&cpm2_immr->im_brgc1; | 99 | bp = cpm2_map_size(im_brgc1, 16); |
98 | } else { | 100 | } else { |
99 | bp = (uint *)&cpm2_immr->im_brgc5; | 101 | bp = cpm2_map_size(im_brgc5, 16); |
100 | brg -= 4; | 102 | brg -= 4; |
101 | } | 103 | } |
102 | bp += brg; | 104 | bp += brg; |
103 | *bp = ((BRG_UART_CLK / rate) << 1) | CPM_BRG_EN; | 105 | *bp = ((BRG_UART_CLK / rate) << 1) | CPM_BRG_EN; |
106 | |||
107 | cpm2_unmap(bp); | ||
104 | } | 108 | } |
105 | 109 | ||
106 | /* This function is used to set high speed synchronous baud rate | 110 | /* This function is used to set high speed synchronous baud rate |
@@ -112,16 +116,18 @@ cpm2_fastbrg(uint brg, uint rate, int div16) | |||
112 | volatile uint *bp; | 116 | volatile uint *bp; |
113 | 117 | ||
114 | if (brg < 4) { | 118 | if (brg < 4) { |
115 | bp = (uint *)&cpm2_immr->im_brgc1; | 119 | bp = cpm2_map_size(im_brgc1, 16); |
116 | } | 120 | } |
117 | else { | 121 | else { |
118 | bp = (uint *)&cpm2_immr->im_brgc5; | 122 | bp = cpm2_map_size(im_brgc5, 16); |
119 | brg -= 4; | 123 | brg -= 4; |
120 | } | 124 | } |
121 | bp += brg; | 125 | bp += brg; |
122 | *bp = ((BRG_INT_CLK / rate) << 1) | CPM_BRG_EN; | 126 | *bp = ((BRG_INT_CLK / rate) << 1) | CPM_BRG_EN; |
123 | if (div16) | 127 | if (div16) |
124 | *bp |= CPM_BRG_DIV16; | 128 | *bp |= CPM_BRG_DIV16; |
129 | |||
130 | cpm2_unmap(bp); | ||
125 | } | 131 | } |
126 | 132 | ||
127 | /* | 133 | /* |
@@ -132,11 +138,14 @@ static spinlock_t cpm_dpmem_lock; | |||
132 | * until the memory subsystem goes up... */ | 138 | * until the memory subsystem goes up... */ |
133 | static rh_block_t cpm_boot_dpmem_rh_block[16]; | 139 | static rh_block_t cpm_boot_dpmem_rh_block[16]; |
134 | static rh_info_t cpm_dpmem_info; | 140 | static rh_info_t cpm_dpmem_info; |
141 | static u8* im_dprambase; | ||
135 | 142 | ||
136 | static void cpm2_dpinit(void) | 143 | static void cpm2_dpinit(void) |
137 | { | 144 | { |
138 | spin_lock_init(&cpm_dpmem_lock); | 145 | spin_lock_init(&cpm_dpmem_lock); |
139 | 146 | ||
147 | im_dprambase = ioremap(CPM_MAP_ADDR, CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE); | ||
148 | |||
140 | /* initialize the info header */ | 149 | /* initialize the info header */ |
141 | rh_init(&cpm_dpmem_info, 1, | 150 | rh_init(&cpm_dpmem_info, 1, |
142 | sizeof(cpm_boot_dpmem_rh_block) / | 151 | sizeof(cpm_boot_dpmem_rh_block) / |
@@ -205,6 +214,6 @@ EXPORT_SYMBOL(cpm_dpdump); | |||
205 | 214 | ||
206 | void *cpm_dpram_addr(uint offset) | 215 | void *cpm_dpram_addr(uint offset) |
207 | { | 216 | { |
208 | return (void *)&cpm2_immr->im_dprambase[offset]; | 217 | return (void *)(im_dprambase + offset); |
209 | } | 218 | } |
210 | EXPORT_SYMBOL(cpm_dpram_addr); | 219 | EXPORT_SYMBOL(cpm_dpram_addr); |