From b642129be493309179ddc0a659301667613c188e Mon Sep 17 00:00:00 2001
From: Mark Arigo <markarigo@gmail.com>
Date: Sat, 14 Mar 2009 02:47:14 +0000
Subject: Philips SA9200 fixes: (1) boost in the bootloader like the e200 and
 c200, (2) use the right GPIOs and inits in the SD driver, and (3) add charger
 detection.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20323 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/ata-sd-pp.c                   | 35 +++++++++++++++++++++--
 firmware/target/arm/philips/sa9200/power-sa9200.c | 10 ++++++-
 firmware/target/arm/system-pp502x.c               |  7 +++--
 3 files changed, 46 insertions(+), 6 deletions(-)

(limited to 'firmware')

diff --git a/firmware/target/arm/ata-sd-pp.c b/firmware/target/arm/ata-sd-pp.c
index cde474ca29..9f0263a411 100644
--- a/firmware/target/arm/ata-sd-pp.c
+++ b/firmware/target/arm/ata-sd-pp.c
@@ -573,7 +573,7 @@ static int sd_select_bank(unsigned char bank)
 static void sd_card_mux(int card_no)
 {
 /* Set the current card mux */
-#if defined(SANSA_E200) || defined(PHILIPS_SA9200)
+#if defined(SANSA_E200)
     if (card_no == 0)
     {
         GPO32_VAL |= 0x4;
@@ -598,7 +598,7 @@ static void sd_card_mux(int card_no)
 
         outl(inl(0x70000014) & ~(0x3ffff), 0x70000014);
     }
-#else /* SANSA_C200 */
+#elif defined(SANSA_C200)
     if (card_no == 0)
     {
         GPO32_VAL |= 0x4;
@@ -623,6 +623,23 @@ static void sd_card_mux(int card_no)
 
         outl((inl(0x70000014) & ~(0x3ffff)) | 0x255aa, 0x70000014);
     }
+#elif defined(PHILIPS_SA9200)
+    /* only 1 "card" (no external memory card) */
+    (void)card_no;
+
+    GPIO_SET_BITWISE(GPIOH_ENABLE, 0x80);
+    GPIO_SET_BITWISE(GPIOH_OUTPUT_EN, 0x80);
+
+    outl(0x255aa, 0x70000014);
+
+    GPIO_CLEAR_BITWISE(GPIOA_ENABLE, 0x04);
+    GPIO_CLEAR_BITWISE(GPIOA_OUTPUT_EN, 0x04);
+
+    GPIO_CLEAR_BITWISE(GPIOA_ENABLE, 0x7a);
+    GPIO_CLEAR_BITWISE(GPIOA_OUTPUT_EN, 0x7a);
+
+    GPIO_SET_BITWISE(GPIOH_OUTPUT_VAL, 0x80);
+    GPIO_SET_BITWISE(GPIOH_OUTPUT_EN, 0x80);
 #endif
 }
 
@@ -649,12 +666,21 @@ static void sd_init_device(int card_no)
     sd_card_mux(card_no);
 
 /* Init NAND */
+#if defined(PHILIPS_SA9200)
+    MMC_INIT_1 |=  (1 << 15);
+    MMC_INIT_2 |=  (1 << 15);
+    MMC_INIT_2 &= ~(3 << 12);
+    MMC_INIT_2 |=  (1 << 12);
+    MMC_INIT_1 &= ~(3 << 12);
+    MMC_INIT_1 |=  (1 << 12);
+#else
     MMC_INIT_1 |=  (1 << 15);
     MMC_INIT_2 |=  (1 << 15);
     MMC_INIT_2 &= ~(3 << 12);
     MMC_INIT_2 |=  (1 << 13);
     MMC_INIT_1 &= ~(3 << 12);
     MMC_INIT_1 |=  (1 << 13);
+#endif
 
     DEV_EN |= DEV_ATA; /* Enable controller */
     DEV_RS |= DEV_ATA; /* Reset controller */
@@ -1210,6 +1236,10 @@ int sd_init(void)
         initialized = true;
 
         /* init controller */
+#if defined(PHILIPS_SA9200)
+        GPIOA_ENABLE = 0x00;
+        GPIO_SET_BITWISE(GPIOD_ENABLE, 0x01);
+#else
         outl(inl(0x70000088) & ~(0x4), 0x70000088);
         outl(inl(0x7000008c) & ~(0x4), 0x7000008c);
         GPO32_ENABLE |= 0x4;
@@ -1217,6 +1247,7 @@ int sd_init(void)
         GPIO_SET_BITWISE(GPIOG_ENABLE, (0x3 << 5));
         GPIO_SET_BITWISE(GPIOG_OUTPUT_EN, (0x3 << 5));
         GPIO_SET_BITWISE(GPIOG_OUTPUT_VAL, (0x3 << 5));
+#endif
 
 #ifdef HAVE_HOTSWAP
         /* enable card detection port - mask interrupt first */
diff --git a/firmware/target/arm/philips/sa9200/power-sa9200.c b/firmware/target/arm/philips/sa9200/power-sa9200.c
index 2b42379cae..cf9468cb1d 100644
--- a/firmware/target/arm/philips/sa9200/power-sa9200.c
+++ b/firmware/target/arm/philips/sa9200/power-sa9200.c
@@ -56,7 +56,15 @@ void power_off(void)
 
 unsigned int power_input_status(void)
 {
-    return POWER_INPUT_NONE;
+    unsigned int status = POWER_INPUT_NONE;
+
+    /* GPIOF indicates that the connector is present,
+       GPIOB indicates that there's power there too.
+       Same status bits for both USB and the charger. */
+    if (!(GPIOF_INPUT_VAL & 0x80) && !(GPIOB_INPUT_VAL & 0x80))
+        status = POWER_INPUT_MAIN_CHARGER;
+
+    return status;
 }
 
 void ide_power_enable(bool on)
diff --git a/firmware/target/arm/system-pp502x.c b/firmware/target/arm/system-pp502x.c
index 05d418bd88..5fb6b20c4c 100644
--- a/firmware/target/arm/system-pp502x.c
+++ b/firmware/target/arm/system-pp502x.c
@@ -209,7 +209,8 @@ static void init_cache(void)
 #endif /* !BOOTLOADER */
 
 /* We need this for Sansas since we boost the cpu in their bootloader */
-#if !defined(BOOTLOADER) || defined(SANSA_E200) || defined(SANSA_C200)
+#if !defined(BOOTLOADER) || defined(SANSA_E200) || defined(SANSA_C200) || \
+    defined(PHILIPS_SA9200)
 void scale_suspend_core(bool suspend) ICODE_ATTR;
 void scale_suspend_core(bool suspend)
 {
@@ -353,7 +354,7 @@ static void pp_set_cpu_frequency(long frequency)
     corelock_unlock(&cpufreq_cl);
 #endif
 }
-#endif /* !BOOTLOADER || SANSA_E200 || SANSA_C200 */
+#endif /* !BOOTLOADER || SANSA_E200 || SANSA_C200 || PHILIPS_SA9200 */
 
 void system_init(void)
 {
@@ -485,7 +486,7 @@ void system_init(void)
 #else /* BOOTLOADER */
     if (CURRENT_CORE == CPU)
     {
-#if defined(SANSA_C200) || defined (SANSA_E200)
+#if defined(SANSA_C200) || defined(SANSA_E200) || defined(PHILIPS_SA9200)
         pp_set_cpu_frequency(CPUFREQ_MAX);
 #endif
     }
-- 
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