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-rw-r--r--arch/arm/mach-omap2/board-apollon.c60
1 files changed, 50 insertions, 10 deletions
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index 7846551f0575..a1e1e6765b5b 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -26,6 +26,8 @@
26#include <linux/interrupt.h> 26#include <linux/interrupt.h>
27#include <linux/delay.h> 27#include <linux/delay.h>
28#include <linux/leds.h> 28#include <linux/leds.h>
29#include <linux/err.h>
30#include <linux/clk.h>
29 31
30#include <asm/hardware.h> 32#include <asm/hardware.h>
31#include <asm/mach-types.h> 33#include <asm/mach-types.h>
@@ -39,7 +41,7 @@
39#include <asm/arch/board.h> 41#include <asm/arch/board.h>
40#include <asm/arch/common.h> 42#include <asm/arch/common.h>
41#include <asm/arch/gpmc.h> 43#include <asm/arch/gpmc.h>
42#include "prcm-regs.h" 44#include <asm/arch/control.h>
43 45
44/* LED & Switch macros */ 46/* LED & Switch macros */
45#define LED0_GPIO13 13 47#define LED0_GPIO13 13
@@ -187,17 +189,47 @@ static inline void __init apollon_init_smc91x(void)
187{ 189{
188 unsigned long base; 190 unsigned long base;
189 191
192 unsigned int rate;
193 struct clk *gpmc_fck;
194 int eth_cs;
195
196 gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
197 if (IS_ERR(gpmc_fck)) {
198 WARN_ON(1);
199 return;
200 }
201
202 clk_enable(gpmc_fck);
203 rate = clk_get_rate(gpmc_fck);
204
205 eth_cs = APOLLON_ETH_CS;
206
190 /* Make sure CS1 timings are correct */ 207 /* Make sure CS1 timings are correct */
191 GPMC_CONFIG1_1 = 0x00011203; 208 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
192 GPMC_CONFIG2_1 = 0x001f1f01; 209
193 GPMC_CONFIG3_1 = 0x00080803; 210 if (rate >= 160000000) {
194 GPMC_CONFIG4_1 = 0x1c091c09; 211 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
195 GPMC_CONFIG5_1 = 0x041f1f1f; 212 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
196 GPMC_CONFIG6_1 = 0x000004c4; 213 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
214 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
215 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
216 } else if (rate >= 130000000) {
217 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
218 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
219 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
220 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
221 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
222 } else {/* rate = 100000000 */
223 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
224 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
225 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
226 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
227 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
228 }
197 229
198 if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) { 230 if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
199 printk(KERN_ERR "Failed to request GPMC CS for smc91x\n"); 231 printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
200 return; 232 goto out;
201 } 233 }
202 apollon_smc91x_resources[0].start = base + 0x300; 234 apollon_smc91x_resources[0].start = base + 0x300;
203 apollon_smc91x_resources[0].end = base + 0x30f; 235 apollon_smc91x_resources[0].end = base + 0x30f;
@@ -208,9 +240,13 @@ static inline void __init apollon_init_smc91x(void)
208 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", 240 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
209 APOLLON_ETHR_GPIO_IRQ); 241 APOLLON_ETHR_GPIO_IRQ);
210 gpmc_cs_free(APOLLON_ETH_CS); 242 gpmc_cs_free(APOLLON_ETH_CS);
211 return; 243 goto out;
212 } 244 }
213 omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1); 245 omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
246
247out:
248 clk_disable(gpmc_fck);
249 clk_put(gpmc_fck);
214} 250}
215 251
216static void __init omap_apollon_init_irq(void) 252static void __init omap_apollon_init_irq(void)
@@ -330,6 +366,8 @@ static void __init apollon_usb_init(void)
330 366
331static void __init omap_apollon_init(void) 367static void __init omap_apollon_init(void)
332{ 368{
369 u32 v;
370
333 apollon_led_init(); 371 apollon_led_init();
334 apollon_sw_init(); 372 apollon_sw_init();
335 apollon_flash_init(); 373 apollon_flash_init();
@@ -339,7 +377,9 @@ static void __init omap_apollon_init(void)
339 omap_cfg_reg(W19_24XX_SYS_NIRQ); 377 omap_cfg_reg(W19_24XX_SYS_NIRQ);
340 378
341 /* Use Interal loop-back in MMC/SDIO Module Input Clock selection */ 379 /* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
342 CONTROL_DEVCONF |= (1 << 24); 380 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
381 v |= (1 << 24);
382 omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
343 383
344 /* 384 /*
345 * Make sure the serial ports are muxed on at this point. 385 * Make sure the serial ports are muxed on at this point.