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-rw-r--r--arch/arm/mach-mmp/mmp2.c73
1 files changed, 6 insertions, 67 deletions
diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c
index c709a24a9d25..3a3768c7a191 100644
--- a/arch/arm/mach-mmp/mmp2.c
+++ b/arch/arm/mach-mmp/mmp2.c
@@ -20,7 +20,6 @@
20#include <asm/mach/time.h> 20#include <asm/mach/time.h>
21#include <mach/addr-map.h> 21#include <mach/addr-map.h>
22#include <mach/regs-apbc.h> 22#include <mach/regs-apbc.h>
23#include <mach/regs-apmu.h>
24#include <mach/cputype.h> 23#include <mach/cputype.h>
25#include <mach/irqs.h> 24#include <mach/irqs.h>
26#include <mach/dma.h> 25#include <mach/dma.h>
@@ -29,7 +28,6 @@
29#include <mach/mmp2.h> 28#include <mach/mmp2.h>
30 29
31#include "common.h" 30#include "common.h"
32#include "clock.h"
33 31
34#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000) 32#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000)
35 33
@@ -98,95 +96,36 @@ void __init mmp2_init_irq(void)
98 mmp2_init_icu(); 96 mmp2_init_icu();
99} 97}
100 98
101static void sdhc_clk_enable(struct clk *clk)
102{
103 uint32_t clk_rst;
104
105 clk_rst = __raw_readl(clk->clk_rst);
106 clk_rst |= clk->enable_val;
107 __raw_writel(clk_rst, clk->clk_rst);
108}
109
110static void sdhc_clk_disable(struct clk *clk)
111{
112 uint32_t clk_rst;
113
114 clk_rst = __raw_readl(clk->clk_rst);
115 clk_rst &= ~clk->enable_val;
116 __raw_writel(clk_rst, clk->clk_rst);
117}
118
119struct clkops sdhc_clk_ops = {
120 .enable = sdhc_clk_enable,
121 .disable = sdhc_clk_disable,
122};
123
124/* APB peripheral clocks */
125static APBC_CLK(uart1, MMP2_UART1, 1, 26000000);
126static APBC_CLK(uart2, MMP2_UART2, 1, 26000000);
127static APBC_CLK(uart3, MMP2_UART3, 1, 26000000);
128static APBC_CLK(uart4, MMP2_UART4, 1, 26000000);
129static APBC_CLK(twsi1, MMP2_TWSI1, 0, 26000000);
130static APBC_CLK(twsi2, MMP2_TWSI2, 0, 26000000);
131static APBC_CLK(twsi3, MMP2_TWSI3, 0, 26000000);
132static APBC_CLK(twsi4, MMP2_TWSI4, 0, 26000000);
133static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000);
134static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000);
135static APBC_CLK(gpio, MMP2_GPIO, 0, 26000000);
136
137static APMU_CLK(nand, NAND, 0xbf, 100000000);
138static APMU_CLK_OPS(sdh0, SDH0, 0x1b, 200000000, &sdhc_clk_ops);
139static APMU_CLK_OPS(sdh1, SDH1, 0x1b, 200000000, &sdhc_clk_ops);
140static APMU_CLK_OPS(sdh2, SDH2, 0x1b, 200000000, &sdhc_clk_ops);
141static APMU_CLK_OPS(sdh3, SDH3, 0x1b, 200000000, &sdhc_clk_ops);
142
143static struct clk_lookup mmp2_clkregs[] = {
144 INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
145 INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
146 INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL),
147 INIT_CLKREG(&clk_uart4, "pxa2xx-uart.3", NULL),
148 INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.0", NULL),
149 INIT_CLKREG(&clk_twsi2, "pxa2xx-i2c.1", NULL),
150 INIT_CLKREG(&clk_twsi3, "pxa2xx-i2c.2", NULL),
151 INIT_CLKREG(&clk_twsi4, "pxa2xx-i2c.3", NULL),
152 INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL),
153 INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL),
154 INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
155 INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
156 INIT_CLKREG(&clk_sdh0, "sdhci-pxav3.0", "PXA-SDHCLK"),
157 INIT_CLKREG(&clk_sdh1, "sdhci-pxav3.1", "PXA-SDHCLK"),
158 INIT_CLKREG(&clk_sdh2, "sdhci-pxav3.2", "PXA-SDHCLK"),
159 INIT_CLKREG(&clk_sdh3, "sdhci-pxav3.3", "PXA-SDHCLK"),
160};
161
162static int __init mmp2_init(void) 99static int __init mmp2_init(void)
163{ 100{
164 if (cpu_is_mmp2()) { 101 if (cpu_is_mmp2()) {
165#ifdef CONFIG_CACHE_TAUROS2 102#ifdef CONFIG_CACHE_TAUROS2
166 tauros2_init(); 103 tauros2_init(0);
167#endif 104#endif
168 mfp_init_base(MFPR_VIRT_BASE); 105 mfp_init_base(MFPR_VIRT_BASE);
169 mfp_init_addr(mmp2_addr_map); 106 mfp_init_addr(mmp2_addr_map);
170 pxa_init_dma(IRQ_MMP2_DMA_RIQ, 16); 107 pxa_init_dma(IRQ_MMP2_DMA_RIQ, 16);
171 clkdev_add_table(ARRAY_AND_SIZE(mmp2_clkregs)); 108 mmp2_clk_init();
172 } 109 }
173 110
174 return 0; 111 return 0;
175} 112}
176postcore_initcall(mmp2_init); 113postcore_initcall(mmp2_init);
177 114
115#define APBC_TIMERS APBC_REG(0x024)
116
178static void __init mmp2_timer_init(void) 117static void __init mmp2_timer_init(void)
179{ 118{
180 unsigned long clk_rst; 119 unsigned long clk_rst;
181 120
182 __raw_writel(APBC_APBCLK | APBC_RST, APBC_MMP2_TIMERS); 121 __raw_writel(APBC_APBCLK | APBC_RST, APBC_TIMERS);
183 122
184 /* 123 /*
185 * enable bus/functional clock, enable 6.5MHz (divider 4), 124 * enable bus/functional clock, enable 6.5MHz (divider 4),
186 * release reset 125 * release reset
187 */ 126 */
188 clk_rst = APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1); 127 clk_rst = APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1);
189 __raw_writel(clk_rst, APBC_MMP2_TIMERS); 128 __raw_writel(clk_rst, APBC_TIMERS);
190 129
191 timer_init(IRQ_MMP2_TIMER1); 130 timer_init(IRQ_MMP2_TIMER1);
192} 131}