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-rw-r--r--arch/arm/mach-pxa/pxa25x.c86
1 files changed, 52 insertions, 34 deletions
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index de53f2e4aa39..3f5241c84894 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -23,6 +23,7 @@
23#include <linux/suspend.h> 23#include <linux/suspend.h>
24#include <linux/sysdev.h> 24#include <linux/sysdev.h>
25 25
26#include <asm/mach/map.h>
26#include <mach/hardware.h> 27#include <mach/hardware.h>
27#include <mach/irqs.h> 28#include <mach/irqs.h>
28#include <mach/gpio.h> 29#include <mach/gpio.h>
@@ -30,6 +31,7 @@
30#include <mach/reset.h> 31#include <mach/reset.h>
31#include <mach/pm.h> 32#include <mach/pm.h>
32#include <mach/dma.h> 33#include <mach/dma.h>
34#include <mach/smemc.h>
33 35
34#include "generic.h" 36#include "generic.h"
35#include "devices.h" 37#include "devices.h"
@@ -90,23 +92,21 @@ unsigned int pxa25x_get_clk_frequency_khz(int info)
90 return (turbo & 1) ? (N/1000) : (M/1000); 92 return (turbo & 1) ? (N/1000) : (M/1000);
91} 93}
92 94
93/* 95static unsigned long clk_pxa25x_mem_getrate(struct clk *clk)
94 * Return the current memory clock frequency in units of 10kHz
95 */
96unsigned int pxa25x_get_memclk_frequency_10khz(void)
97{ 96{
98 return L_clk_mult[(CCCR >> 0) & 0x1f] * BASE_CLK / 10000; 97 return L_clk_mult[(CCCR >> 0) & 0x1f] * BASE_CLK;
99} 98}
100 99
101static unsigned long clk_pxa25x_lcd_getrate(struct clk *clk) 100static const struct clkops clk_pxa25x_mem_ops = {
102{ 101 .enable = clk_dummy_enable,
103 return pxa25x_get_memclk_frequency_10khz() * 10000; 102 .disable = clk_dummy_disable,
104} 103 .getrate = clk_pxa25x_mem_getrate,
104};
105 105
106static const struct clkops clk_pxa25x_lcd_ops = { 106static const struct clkops clk_pxa25x_lcd_ops = {
107 .enable = clk_cken_enable, 107 .enable = clk_pxa2xx_cken_enable,
108 .disable = clk_cken_disable, 108 .disable = clk_pxa2xx_cken_disable,
109 .getrate = clk_pxa25x_lcd_getrate, 109 .getrate = clk_pxa25x_mem_getrate,
110}; 110};
111 111
112static unsigned long gpio12_config_32k[] = { 112static unsigned long gpio12_config_32k[] = {
@@ -160,31 +160,30 @@ static const struct clkops clk_pxa25x_gpio11_ops = {
160 * 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz 160 * 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz
161 * 147.456MHz -> UART 14.7456MHz, AC97 12.288MHz, I2S 5.672MHz (allegedly) 161 * 147.456MHz -> UART 14.7456MHz, AC97 12.288MHz, I2S 5.672MHz (allegedly)
162 */ 162 */
163static DEFINE_CKEN(pxa25x_hwuart, HWUART, 14745600, 1);
164
165static struct clk_lookup pxa25x_hwuart_clkreg =
166 INIT_CLKREG(&clk_pxa25x_hwuart, "pxa2xx-uart.3", NULL);
167 163
168/* 164/*
169 * PXA 2xx clock declarations. 165 * PXA 2xx clock declarations.
170 */ 166 */
167static DEFINE_PXA2_CKEN(pxa25x_hwuart, HWUART, 14745600, 1);
168static DEFINE_PXA2_CKEN(pxa25x_ffuart, FFUART, 14745600, 1);
169static DEFINE_PXA2_CKEN(pxa25x_btuart, BTUART, 14745600, 1);
170static DEFINE_PXA2_CKEN(pxa25x_stuart, STUART, 14745600, 1);
171static DEFINE_PXA2_CKEN(pxa25x_usb, USB, 47923000, 5);
172static DEFINE_PXA2_CKEN(pxa25x_mmc, MMC, 19169000, 0);
173static DEFINE_PXA2_CKEN(pxa25x_i2c, I2C, 31949000, 0);
174static DEFINE_PXA2_CKEN(pxa25x_ssp, SSP, 3686400, 0);
175static DEFINE_PXA2_CKEN(pxa25x_nssp, NSSP, 3686400, 0);
176static DEFINE_PXA2_CKEN(pxa25x_assp, ASSP, 3686400, 0);
177static DEFINE_PXA2_CKEN(pxa25x_pwm0, PWM0, 3686400, 0);
178static DEFINE_PXA2_CKEN(pxa25x_pwm1, PWM1, 3686400, 0);
179static DEFINE_PXA2_CKEN(pxa25x_ac97, AC97, 24576000, 0);
180static DEFINE_PXA2_CKEN(pxa25x_i2s, I2S, 14745600, 0);
181static DEFINE_PXA2_CKEN(pxa25x_ficp, FICP, 47923000, 0);
182
171static DEFINE_CK(pxa25x_lcd, LCD, &clk_pxa25x_lcd_ops); 183static DEFINE_CK(pxa25x_lcd, LCD, &clk_pxa25x_lcd_ops);
172static DEFINE_CKEN(pxa25x_ffuart, FFUART, 14745600, 1);
173static DEFINE_CKEN(pxa25x_btuart, BTUART, 14745600, 1);
174static DEFINE_CKEN(pxa25x_stuart, STUART, 14745600, 1);
175static DEFINE_CKEN(pxa25x_usb, USB, 47923000, 5);
176static DEFINE_CLK(pxa25x_gpio11, &clk_pxa25x_gpio11_ops, 3686400, 0); 184static DEFINE_CLK(pxa25x_gpio11, &clk_pxa25x_gpio11_ops, 3686400, 0);
177static DEFINE_CLK(pxa25x_gpio12, &clk_pxa25x_gpio12_ops, 32768, 0); 185static DEFINE_CLK(pxa25x_gpio12, &clk_pxa25x_gpio12_ops, 32768, 0);
178static DEFINE_CKEN(pxa25x_mmc, MMC, 19169000, 0); 186static DEFINE_CLK(pxa25x_mem, &clk_pxa25x_mem_ops, 0, 0);
179static DEFINE_CKEN(pxa25x_i2c, I2C, 31949000, 0);
180static DEFINE_CKEN(pxa25x_ssp, SSP, 3686400, 0);
181static DEFINE_CKEN(pxa25x_nssp, NSSP, 3686400, 0);
182static DEFINE_CKEN(pxa25x_assp, ASSP, 3686400, 0);
183static DEFINE_CKEN(pxa25x_pwm0, PWM0, 3686400, 0);
184static DEFINE_CKEN(pxa25x_pwm1, PWM1, 3686400, 0);
185static DEFINE_CKEN(pxa25x_ac97, AC97, 24576000, 0);
186static DEFINE_CKEN(pxa25x_i2s, I2S, 14745600, 0);
187static DEFINE_CKEN(pxa25x_ficp, FICP, 47923000, 0);
188 187
189static struct clk_lookup pxa25x_clkregs[] = { 188static struct clk_lookup pxa25x_clkregs[] = {
190 INIT_CLKREG(&clk_pxa25x_lcd, "pxa2xx-fb", NULL), 189 INIT_CLKREG(&clk_pxa25x_lcd, "pxa2xx-fb", NULL),
@@ -205,8 +204,12 @@ static struct clk_lookup pxa25x_clkregs[] = {
205 INIT_CLKREG(&clk_pxa25x_ac97, NULL, "AC97CLK"), 204 INIT_CLKREG(&clk_pxa25x_ac97, NULL, "AC97CLK"),
206 INIT_CLKREG(&clk_pxa25x_gpio11, NULL, "GPIO11_CLK"), 205 INIT_CLKREG(&clk_pxa25x_gpio11, NULL, "GPIO11_CLK"),
207 INIT_CLKREG(&clk_pxa25x_gpio12, NULL, "GPIO12_CLK"), 206 INIT_CLKREG(&clk_pxa25x_gpio12, NULL, "GPIO12_CLK"),
207 INIT_CLKREG(&clk_pxa25x_mem, "pxa2xx-pcmcia", NULL),
208}; 208};
209 209
210static struct clk_lookup pxa25x_hwuart_clkreg =
211 INIT_CLKREG(&clk_pxa25x_hwuart, "pxa2xx-uart.3", NULL);
212
210#ifdef CONFIG_PM 213#ifdef CONFIG_PM
211 214
212#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x 215#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x
@@ -219,20 +222,17 @@ static struct clk_lookup pxa25x_clkregs[] = {
219 */ 222 */
220enum { 223enum {
221 SLEEP_SAVE_PSTR, 224 SLEEP_SAVE_PSTR,
222 SLEEP_SAVE_CKEN,
223 SLEEP_SAVE_COUNT 225 SLEEP_SAVE_COUNT
224}; 226};
225 227
226 228
227static void pxa25x_cpu_pm_save(unsigned long *sleep_save) 229static void pxa25x_cpu_pm_save(unsigned long *sleep_save)
228{ 230{
229 SAVE(CKEN);
230 SAVE(PSTR); 231 SAVE(PSTR);
231} 232}
232 233
233static void pxa25x_cpu_pm_restore(unsigned long *sleep_save) 234static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
234{ 235{
235 RESTORE(CKEN);
236 RESTORE(PSTR); 236 RESTORE(PSTR);
237} 237}
238 238
@@ -320,6 +320,22 @@ void __init pxa26x_init_irq(void)
320} 320}
321#endif 321#endif
322 322
323static struct map_desc pxa25x_io_desc[] __initdata = {
324 { /* Mem Ctl */
325 .virtual = SMEMC_VIRT,
326 .pfn = __phys_to_pfn(PXA2XX_SMEMC_BASE),
327 .length = 0x00200000,
328 .type = MT_DEVICE
329 },
330};
331
332void __init pxa25x_map_io(void)
333{
334 pxa_map_io();
335 iotable_init(ARRAY_AND_SIZE(pxa25x_io_desc));
336 pxa25x_get_clk_frequency_khz(1);
337}
338
323static struct platform_device *pxa25x_devices[] __initdata = { 339static struct platform_device *pxa25x_devices[] __initdata = {
324 &pxa25x_device_udc, 340 &pxa25x_device_udc,
325 &pxa_device_pmu, 341 &pxa_device_pmu,
@@ -339,7 +355,9 @@ static struct sys_device pxa25x_sysdev[] = {
339 .cls = &pxa2xx_mfp_sysclass, 355 .cls = &pxa2xx_mfp_sysclass,
340 }, { 356 }, {
341 .cls = &pxa_gpio_sysclass, 357 .cls = &pxa_gpio_sysclass,
342 }, 358 }, {
359 .cls = &pxa2xx_clock_sysclass,
360 }
343}; 361};
344 362
345static int __init pxa25x_init(void) 363static int __init pxa25x_init(void)