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authorChristine Gharzuzi <chrisg@marvell.com>2018-08-02 20:25:11 +0300
committerKonstantin Porotchkin <kostap@marvell.com>2018-09-03 16:06:11 +0300
commit1ab4df76bfecf0b3f52c8ec0ee5e102d09164b93 (patch)
tree1298b8834a9bb94a1a7bb76c67f7cc8c4fc1d57b /plat/marvell/a8k/common
parent6384f0acf0772ce1d0505b9c4b3671e53fb91240 (diff)
downloadtrusted-firmware-a-1ab4df76bfecf0b3f52c8ec0ee5e102d09164b93.tar.gz
plat: svc: ap807: add SVC configuration for AP807
- add svc configuration according to values burnt to the chip efuse Change-Id: Icf5d7cc41bc09ac2244d0a126106e681afebb064 Signed-off-by: Christine Gharzuzi <chrisg@marvell.com> Reviewed-by: Kostya Porotchkin <kostap@marvell.com>
Diffstat (limited to 'plat/marvell/a8k/common')
-rw-r--r--plat/marvell/a8k/common/plat_ble_setup.c102
1 files changed, 75 insertions, 27 deletions
diff --git a/plat/marvell/a8k/common/plat_ble_setup.c b/plat/marvell/a8k/common/plat_ble_setup.c
index d2607dafc9..7438f69cce 100644
--- a/plat/marvell/a8k/common/plat_ble_setup.c
+++ b/plat/marvell/a8k/common/plat_ble_setup.c
@@ -43,11 +43,22 @@
#define AVS_EN_CTRL_REG (MVEBU_AP_GEN_MGMT_BASE + 0x130)
#define AVS_ENABLE_OFFSET (0)
#define AVS_SOFT_RESET_OFFSET (2)
-#define AVS_LOW_VDD_LIMIT_OFFSET (4)
-#define AVS_HIGH_VDD_LIMIT_OFFSET (12)
#define AVS_TARGET_DELTA_OFFSET (21)
-#define AVS_VDD_LOW_LIMIT_MASK (0xFF << AVS_LOW_VDD_LIMIT_OFFSET)
-#define AVS_VDD_HIGH_LIMIT_MASK (0xFF << AVS_HIGH_VDD_LIMIT_OFFSET)
+
+#ifndef MVEBU_SOC_AP807
+ /* AP806 SVC bits */
+ #define AVS_LOW_VDD_LIMIT_OFFSET (4)
+ #define AVS_HIGH_VDD_LIMIT_OFFSET (12)
+ #define AVS_VDD_LOW_LIMIT_MASK (0xFF << AVS_LOW_VDD_LIMIT_OFFSET)
+ #define AVS_VDD_HIGH_LIMIT_MASK (0xFF << AVS_HIGH_VDD_LIMIT_OFFSET)
+#else
+ /* AP807 SVC bits */
+ #define AVS_LOW_VDD_LIMIT_OFFSET (3)
+ #define AVS_HIGH_VDD_LIMIT_OFFSET (13)
+ #define AVS_VDD_LOW_LIMIT_MASK (0x3FF << AVS_LOW_VDD_LIMIT_OFFSET)
+ #define AVS_VDD_HIGH_LIMIT_MASK (0x3FF << AVS_HIGH_VDD_LIMIT_OFFSET)
+#endif
+
/* VDD limit is 0.9V for A70x0 @ CPU frequency < 1600MHz */
#define AVS_A7K_LOW_CLK_VALUE ((0x80 << AVS_TARGET_DELTA_OFFSET) | \
(0x1A << AVS_HIGH_VDD_LIMIT_OFFSET) | \
@@ -84,11 +95,6 @@
#define AP807_CPU_ARO_SEL_PLL_MASK (0x1 << AP807_CPU_ARO_SEL_PLL_OFFSET)
/*
- * - AVS work points in the LD0 eFuse:
- * SVC1 work point: LD0[88:81]
- * SVC2 work point: LD0[96:89]
- * SVC3 work point: LD0[104:97]
- * SVC4 work point: LD0[112:105]
* - Identification information in the LD-0 eFuse:
* DRO: LD0[74:65] - Not used by the SW
* Revision: LD0[78:75] - Not used by the SW
@@ -114,11 +120,30 @@
#define EFUSE_AP_LD0_SWREV_OFFS 50 /* LD0[115:113] */
#define EFUSE_AP_LD0_SWREV_MASK 0x7
-#define EFUSE_AP_LD0_SVC1_OFFS 18 /* LD0[88:81] */
-#define EFUSE_AP_LD0_SVC2_OFFS 26 /* LD0[96:89] */
-#define EFUSE_AP_LD0_SVC3_OFFS 34 /* LD0[104:97] */
+#ifndef MVEBU_SOC_AP807
+ /* AP806 AVS work points in the LD0 eFuse
+ * SVC1 work point: LD0[88:81]
+ * SVC2 work point: LD0[96:89]
+ * SVC3 work point: LD0[104:97]
+ * SVC4 work point: LD0[112:105]
+ */
+ #define EFUSE_AP_LD0_SVC1_OFFS 18 /* LD0[88:81] */
+ #define EFUSE_AP_LD0_SVC2_OFFS 26 /* LD0[96:89] */
+ #define EFUSE_AP_LD0_SVC3_OFFS 34 /* LD0[104:97] */
+ #define EFUSE_AP_LD0_WP_MASK 0xFF
+#else
+ /* AP807 AVS work points in the LD0 eFuse
+ * SVC1 work point: LD0[91:81]
+ * SVC2 work point: LD0[102:92]
+ * SVC3 work point: LD0[113:103]
+ */
+ #define EFUSE_AP_LD0_SVC1_OFFS 17 /* LD0[91:81] */
+ #define EFUSE_AP_LD0_SVC2_OFFS 28 /* LD0[102:92] */
+ #define EFUSE_AP_LD0_SVC3_OFFS 39 /* LD0[113:103] */
+ #define EFUSE_AP_LD0_WP_MASK 0x3FF
+#endif
+
#define EFUSE_AP_LD0_SVC4_OFFS 42 /* LD0[112:105] */
-#define EFUSE_AP_LD0_WP_MASK 0xFF
#define EFUSE_AP_LD0_CLUSTER_DOWN_OFFS 4
@@ -233,16 +258,8 @@ static void ble_plat_svc_config(void)
uint32_t reg_val, avs_workpoint, freq_pidi_mode;
uint64_t efuse;
uint32_t device_id, single_cluster;
- uint8_t svc[4], perr[4], i, sw_ver;
-
- /* Due to a bug in A3900 device_id skip SVC config
- * TODO: add SVC config once it is decided for a3900
- */
- if (ble_get_ap_type() == CHIP_ID_AP807) {
- NOTICE("SVC: SVC is not supported on AP807\n");
- ble_plat_avs_config();
- return;
- }
+ uint16_t svc[4], perr[4], i, sw_ver;
+ unsigned int ap_type;
/* Set access to LD0 */
reg_val = mmio_read_32(MVEBU_AP_EFUSE_SRV_CTRL_REG);
@@ -276,9 +293,19 @@ static void ble_plat_svc_config(void)
svc[0] = (efuse >> EFUSE_AP_LD0_SVC1_OFFS) & EFUSE_AP_LD0_WP_MASK;
svc[1] = (efuse >> EFUSE_AP_LD0_SVC2_OFFS) & EFUSE_AP_LD0_WP_MASK;
svc[2] = (efuse >> EFUSE_AP_LD0_SVC3_OFFS) & EFUSE_AP_LD0_WP_MASK;
- svc[3] = (efuse >> EFUSE_AP_LD0_SVC4_OFFS) & EFUSE_AP_LD0_WP_MASK;
- INFO("SVC: Efuse WP: [0]=0x%x, [1]=0x%x, [2]=0x%x, [3]=0x%x\n",
- svc[0], svc[1], svc[2], svc[3]);
+
+ /* Fetch AP type to distinguish between AP806 and AP807 */
+ ap_type = ble_get_ap_type();
+
+ if (ap_type != CHIP_ID_AP807) {
+ svc[3] = (efuse >> EFUSE_AP_LD0_SVC4_OFFS)
+ & EFUSE_AP_LD0_WP_MASK;
+ INFO("SVC: Efuse WP: [0]=0x%x, [1]=0x%x, [2]=0x%x, [3]=0x%x\n",
+ svc[0], svc[1], svc[2], svc[3]);
+ } else {
+ INFO("SVC: Efuse WP: [0]=0x%x, [1]=0x%x, [2]=0x%x\n",
+ svc[0], svc[1], svc[2]);
+ }
/* Validate parity of SVC workpoint values */
for (i = 0; i < 4; i++) {
@@ -385,6 +412,26 @@ static void ble_plat_svc_config(void)
avs_workpoint = 0;
break;
}
+ } else if (device_id == MVEBU_3900_DEV_ID) {
+ NOTICE("SVC: DEV ID: %s, FREQ Mode: 0x%x\n",
+ "3900", freq_pidi_mode);
+ switch (freq_pidi_mode) {
+ case CPU_1600_DDR_1200_RCLK_1200:
+ if (perr[0])
+ goto perror;
+ avs_workpoint = svc[0];
+ break;
+ case CPU_1300_DDR_800_RCLK_800:
+ if (perr[1])
+ goto perror;
+ avs_workpoint = svc[1];
+ break;
+ default:
+ if (perr[0])
+ goto perror;
+ avs_workpoint = svc[0];
+ break;
+ }
} else {
ERROR("SVC: Unsupported Device ID 0x%x\n", device_id);
return;
@@ -397,7 +444,8 @@ static void ble_plat_svc_config(void)
}
/* Remove parity bit */
- avs_workpoint &= 0x7F;
+ if (ap_type != CHIP_ID_AP807)
+ avs_workpoint &= 0x7F;
reg_val = mmio_read_32(AVS_EN_CTRL_REG);
NOTICE("SVC: AVS work point changed from 0x%x to 0x%x\n",